CN215186028U

CN215186028U - Electronic equipment

Info

Publication number: CN215186028U
Application number: CN202023062695.6U
Authority: CN
Inventors: 陈山; 陈康廉; 宁顺刚
Original assignee: Dongguan Nvt Technology Co Ltd
Current assignee: Dongguan Nvt Technology Co Ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-12-14
Anticipated expiration: 2030-12-16

Abstract

The present application discloses an electronic device including a host, a first battery and a second battery, and the host includes a power receiving unit. The first battery is used to power the power receiving unit. The second battery is used to charge the first battery. Wherein, the second battery can be connected to an external charger for charging. The electronic device of the present application will not cause the power receiving unit to be powered off because the power of the first battery is low or the battery needs to be replaced, thereby realizing uninterrupted power supply to the power receiving unit, and having a better user experience.

Description

Electronic device

Technical Field

The present application relates to the field of electronics, and more particularly, to an electronic device capable of uninterrupted power supply.

Background

Use the electronic equipment that can dismantle battery powered on the existing market, like intelligent lock, intelligent doorbell etc. after battery power is used up, just must shut down and carry out the battery change, perhaps look for the power and directly charge and charge, but shut down and change the battery and can make electronic equipment outage stop operation, and if use directly to charge must be close to the power again, this brings very big inconvenience for the user.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned prior art, the present application provides an electronic device capable of supplying power uninterruptedly.

One aspect of the present application provides an electronic apparatus including a host, a first battery, and a second battery, the host including a power receiving unit. The first battery is used for supplying power to the power receiving unit. The second battery is used for charging the first battery. The second battery is detachably connected with the first battery and can be connected with an external charger for charging.

Adopt so setting up, first battery supplies power for the unit that receives electricity, and the second battery is used for replenishing the electric quantity of first battery, and the second battery can charge to it through outside charger moreover, can not lead to receiving the unit outage because of first battery electric quantity is low or need to change the battery to this application electronic equipment has realized receiving the uninterrupted power supply of unit.

In some embodiments, the first battery is located inside the main unit, the main unit further includes a battery compartment, and the second battery can be placed in or taken out of the battery compartment.

In some embodiments, the electronic device further comprises a battery compartment, and the first battery and the second battery can be placed in or taken out of the battery compartment.

By adopting the arrangement, the second battery can be connected with the external charger for charging after the battery compartment is taken out, and can also be connected with the external charger for charging in the battery compartment, so that the battery charger has better scene adaptability and can meet different user requirements of directly charging equipment or taking out the battery for charging.

In certain embodiments, the battery capacity of the first battery is any value between 10% and 30% of the battery capacity of the second battery.

With the arrangement, the first battery can be charged for multiple times after the second battery is fully charged, and the charging frequency of the second battery can be reduced.

In some embodiments, when the current electric quantity of the first battery is lower than a first preset electric quantity, the second battery charges the first battery until the electric quantity of the first battery is fully charged, or the second battery charges the first battery until the electric quantity of the first battery reaches a threshold electric quantity.

With the adoption of the arrangement, the second battery can be fully charged or charged to the threshold electric quantity for charging the first battery, so that different user requirements can be met, and better user experience is achieved.

In some embodiments, the host further includes a prompting unit, and the prompting unit is configured to prompt the user when the current electric quantity of the second battery is lower than a second preset electric quantity.

With the adoption of the setting, the user can know that the current electric quantity of the second battery is lower, and the external charger is used for charging the second battery in time.

In some embodiments, the first battery includes a first battery cell and a first battery management unit, the second battery includes a second battery cell and a processing unit, the first battery management unit is configured to detect a current electric quantity of the first battery cell and send information of the current electric quantity of the first battery cell to the power receiving unit, when the current electric quantity of the first battery cell is lower than a first preset electric quantity, the power receiving unit notifies the processing unit, and the processing unit controls the second battery cell to start charging the first battery cell.

In some embodiments, the second battery further includes a second battery management unit, a charging interface unit, a first switch, a second switch, and a third switch, the second battery cell is connected to the first battery via the first switch and the third switch in sequence, the charging management unit is connected to the first battery via the third switch, the charging interface unit is connected to the charging management unit, the charging interface unit is connected to the second battery cell via the second switch, the processing unit is connected to the second battery management unit, the charging management unit, the first switch, the second switch, and the power receiving unit, the charging interface unit is connected to the charging management unit, the second battery management unit is configured to detect a current electric quantity of the second battery cell and send information of the current electric quantity of the second battery cell to the processing unit, and the charging interface unit is configured to connect to an external charger to charge the second battery.

In some embodiments, the first predetermined amount of power is any value between 10% and 30% of the battery capacity of the first battery, and the second predetermined amount of power is any value between 10% and 30% of the battery capacity of the second battery.

In some embodiments, the electronic device is an intelligent door lock, an intelligent doorbell, or an intelligent security device.

Compared with the prior art, the electronic equipment adopts the configuration scheme of 'double batteries', the first battery is used for supplying power to the power receiving unit of the host, the second battery is used for supplementing the electric quantity of the first battery when the electric quantity of the first battery is lower, and the second battery can be charged by the external charger.

Drawings

FIG. 1 is a schematic view of one embodiment of an electronic device of the present application;

FIG. 2 is a schematic view of an embodiment of an electronic device of the present application;

FIG. 3 is a perspective view of the electronic device of FIG. 2;

FIG. 4 is a schematic block circuit diagram of one embodiment of the electronic device shown in FIG. 2;

FIG. 5 is a schematic block circuit diagram of one embodiment of the electronic device shown in FIG. 2;

FIG. 6 is a schematic block circuit diagram of one embodiment of the electronic device shown in FIG. 2;

FIG. 7 is a circuit block diagram of one embodiment of the electronic device shown in FIG. 2;

FIG. 8 is a block diagram of one embodiment of an electronic device of the present application;

FIG. 9 is a perspective view of the electronic device shown in FIG. 8;

FIG. 10 is a circuit block diagram of one embodiment of the electronic device shown in FIG. 8;

FIG. 11 is a circuit block diagram of one embodiment of the electronic device shown in FIG. 8.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the description of the present application, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either mechanically or electrically or in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship or combination of two or more elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. The disclosure of the present application provides many different embodiments or examples for implementing different configurations of the present application. In order to simplify the disclosure of the present application, only the components and settings of a specific example are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, which are repeated for purposes of simplicity and clarity and do not in themselves dictate a particular relationship between the various embodiments and/or configurations discussed.

Use the electronic equipment that can dismantle battery powered on the existing market, like intelligent lock, intelligent doorbell, electronic scale etc. after battery power is used up, just must shut down and carry out the battery change, perhaps look for the power and directly charge and charge, but shut down and change the battery and can make electronic equipment outage stop operation, and if use directly to charge must be close to the power again, this brings very big inconvenience for the user.

Referring to fig. 1, an electronic device 1 of the present application includes a first battery 10, a second battery 20, and a host 30, wherein the first battery 10 is connected to the power receiving unit 30, and the first battery 10 is connected to the second battery 20. The first battery 10 is used to supply power to the power receiving unit 30, and the second battery 20 is used to charge the first battery 10. The power receiving unit 30 can normally operate under the power supplied from the first battery 10. The second battery 20 can be regarded as a backup battery for the first battery 10, and when the charge of the first battery 10 is low, the second battery 20 can supplement the charge of the first battery 10. For example, but not limiting of, the second battery 20 may charge the first battery 10 when the charge of the first battery 10 is low. Since the electronic device 1 includes the second battery 20, the power of the first battery 10 can be replenished through the second battery 20. The electronic device 10 does not need to replace the battery when the first battery 10 runs out of power, so as to avoid the power failure and stop of the power receiving unit 30 when the battery is replaced, and further realize the uninterrupted power supply of the power receiving unit 30 of the electronic device 1.

The electronic equipment 1 can be an intelligent door lock, an intelligent doorbell, an electronic scale, intelligent security equipment and the like. The powered unit 30 may be a host or part of a host that includes integrated circuits, displays, speakers, sensors, etc. The first battery 10 supplies power to the host 30 so that the power receiving unit 30 can operate normally. Of course, in other or modified embodiments of the present application, the electronic device 1 may be other portable devices, such as a notebook computer, a mobile phone, or a computer with an uninterruptible power supply function. The embodiments of the present application do not limit this.

Referring to fig. 2 and fig. 3 together, fig. 2 is a block schematic diagram of a possible embodiment of an electronic device 1 of the present application, and fig. 3 is a perspective schematic diagram of the electronic device 1 in fig. 2. In this embodiment, the electronic apparatus 1 includes a first battery 10, a power receiving unit 30, a host 50, a battery compartment 50, and a second battery 20. The first battery 10 and the power receiving unit 30 are located inside the host 50 of the electronic apparatus 1, and the first battery 10 cannot be directly taken out without opening the host 50.

The battery compartment 40 may be used to house the second battery 20. The second battery 20 can be placed into the battery compartment 40 or removed from the battery compartment 40. That is, the second battery 20 may be regarded as being externally disposed to the main unit 50. The first battery 10 may be built in the host machine 40. The second battery 20 can be installed in the battery compartment 40 and electrically connected with the first battery 10 through the battery compartment 40.

The first battery 10 is used to supply power to the power receiving unit 30 without interruption. The second battery 20 is used to charge the first battery 10. The second battery 20 does not directly supply power to the power receiving unit 30. The second battery 20 can be removed from the battery compartment 50 and replaced. Alternatively, in some embodiments, the second battery 20 may be a secondary battery that can be removed from the battery compartment 50 and charged using a charging device. Alternatively, in some embodiments, the second battery 20 may be charged in the battery compartment 50 through a charging interface without being taken out of the battery compartment 50.

In some alternative embodiments, the battery capacity of the first battery 10 is smaller than the battery capacity of the second battery 20. For example, but not limited to, the battery capacity of the first battery 10 may be about 10% of the battery capacity of the second battery 20, wherein the battery capacity may be understood as the maximum nominal charge of the first battery 10 or the second battery 20.

When the electronic device 1 is in operation, the first battery 10 supplies power to the power receiving unit 30, and the second battery 20 is generally in a standby state with low power consumption. Optionally, in some possible embodiments, when the second battery 20 is in a standby state with low power consumption and the current power of the first battery 10 is greater than a first preset power, the second battery 20 remains in the standby state and does not charge the first battery 10. For example, but not limited to, the first preset amount of power may be any value between 10% and 30% of the battery capacity of the first battery 10. When the current charge of the first battery 10 decreases to or below a first preset charge, the second battery 20 starts to charge the first battery 10. Optionally, in some embodiments, the second battery 20 charges the first battery 10 until fully charged. Optionally, in some embodiments, the second battery 20 charges the first battery 10 until the current charge of the first battery 10 reaches a preset threshold charge. The threshold charge may be about 80% of the battery capacity of the first battery 10. With such a configuration, the second battery 20 can be selected to fully charge the first battery 10 or charge the first battery to the threshold electric quantity as required, so as to meet different user requirements and achieve better user experience.

Please refer to fig. 4, which is a block diagram of a circuit of the electronic device 1 shown in fig. 2 according to one possible embodiment. The first battery 10 includes a first battery cell 11 and a first battery management unit 12, where the first battery cell 11 is used to generate and store electric energy. The first battery management unit 12 may include a battery protection unit, a fuel gauge unit, an equalizing unit, and the like, and may be used for detecting the current electric quantity of the first battery cell 11. The power receiving unit 30 is connected to the first battery 10. Specifically, the power receiving unit 30 may be respectively connected to the first battery cell 11 and the first battery management unit 12, so as to receive the electric power supplied from the first battery cell 11 and communicate with the first battery management unit 12. The first battery management unit 12 may be configured to detect a current power amount of the first battery cell 11, and feed back information of the current power amount of the first battery cell 11 to the power receiving unit 30. The battery compartment 40 may include a first battery connector 41, and the second battery 20 is connected to the first battery 10 and the power receiving unit 30 through the first battery connector 41.

The second battery 20 includes a second battery cell 21, a second battery management unit 22, a processing unit 23, a charging management unit 24, a charging interface unit 25, a second battery connector 26, a first switch S1, a second switch S2, and a third switch S3. The second battery cell 21 is connected to the first battery 10 through the first switch S1, the third switch S3, the second battery connector 26, and the first battery connector 41 in sequence. The charge management unit 24 is connected to the first battery 10 through the third switch S3, the second battery connector 26, and the first battery connector 41. The charging interface unit 25 is connected to the charging management unit 24, and the charging interface unit 21 is connected to the second battery cell 21 through the second switch S2. The processing unit 23 connects the second battery management unit 22, the charge management unit 24, and the first and second switches S1 and S2. The processing unit 23 is connected to the power receiving unit 30 through the second battery connector 26 and the first battery connector 41. The charging interface unit 25 is connected to the charging management unit 24. The charging interface unit 25 may be connected to an external charger, and the second battery 20 may be charged by the external charger. The second battery management unit 22 may be configured to detect a current power amount of the second battery cell 21 and feed back information of the current power amount of the second battery cell 21 to the processing unit 23.

Further, the first switch S1 and the second switch S2 may include a first conducting terminal, a second conducting terminal and a switch control terminal, respectively. The second cell 21 is connected to the first battery 10 through the first conducting terminal and the second conducting terminal of the first switch S1 and the third switch S3. The charging interface unit 21 is connected to the second battery cell 21 through the first conducting end and the second conducting end of the second switch S2. The processing unit 23 is connected to the switch control terminals of the first switch S1 and the second switch S2.

The power receiving unit 30 can obtain information such as the current power amount and the operating state of the second battery 20 by communicating with the processing unit 23. In addition, the power receiving unit 30 may also obtain information about whether the second battery 20 is present, for example, when the second battery 20 is taken out from the battery compartment 40, the power receiving unit 30 does not receive a communication signal returned by the second battery 20, and may determine that the second battery 20 is not in the battery compartment 40.

When the power receiving unit 30 detects that the current power of the first battery 10 is lower than a first preset power (e.g., 10% of the battery capacity of the first battery 10), the power receiving unit 30 notifies the processing unit 23 (e.g., the power receiving unit 30 sends an interrupt signal to the processing unit 23) to wake up the second battery 20, the processing unit 23 controls the second switch S2 and the third switch S3 to be turned on, and the second battery cell 21 charges the first battery cell 11 through the turned-on second switch S2, the charging management unit 24, the turned-on third switch S3, the second battery connector 26, and the first battery connector 41.

When the first cell 11 of the first battery 10 is fully charged, the processing unit 23 of the second battery 20 controls the second switch S2 and the third switch S3 to be turned off, so that the second battery 20 stops charging the first battery 10, and at the same time, the processing unit 23 controls the second battery 20 to enter a low-power standby state.

When the charging interface unit 25 is connected to an external charger and the second battery 20 is not taken out of the battery compartment 40, the processing unit 23 controls the third switch S3 to be turned on and controls the first switch S1 and the second switch S2 to be turned off. The external charger charges the first cell 11 of the first battery 10 through the charging interface unit 21, the charging management unit 24, the turned-on third switch S3, the second battery connector 26, and the first battery connector 41. When the first battery 10 is fully charged, the processing unit 23 of the second battery 20 controls the second switch S2 to be turned off, the third switch S3 to be turned off, and the first switch S1 to be turned on, so that the external charger charges the second battery cell 21 through the charge management unit 24.

When the charging interface unit 25 is connected to an external charger, and the second battery 20 has been taken out of the battery compartment 40, the processing unit 23 controls the first switch S1 to be turned on and the second switch S2 and the third switch S3 to be turned off, and the external charger charges the second battery cell 21 through the charging interface unit 25, the charging management unit 24 and the turned-on first switch S1.

In this embodiment, the charging management unit 24 may be a buck-boost charging management unit, that is, the voltage of the second battery cell 21 may be greater than, equal to, or less than the voltage of the first battery cell 11. The charging interface unit 25 may include a USB, a Micro-USB, a Mini-USB, a Type-C, or any other suitable interface, which is not limited in this embodiment of the present application.

In this embodiment, the battery compartment 40 may have a receiving space for receiving the second battery 20, and the receiving space may be formed by the main unit 50 being recessed inward or protruding outward, for example.

Optionally, in other or modified embodiments of the present application, the first battery connector 41 and/or the second battery connector 26 may be omitted or replaced with other conductive connecting materials.

Alternatively, in other or modified embodiments of the present application, the host 50 may be omitted, the battery compartment 40 may include only the first battery connector 41, the first battery 10 and the power receiving unit 30 may be fixedly connected by means including, but not limited to, bolts, glue, welding, and fasteners, and the second battery 20 may be removably connected to the first battery 10 and the power receiving unit 30 through the battery compartment 40.

It should be noted that, for convenience of understanding and description, the battery compartment 40 is defined to include the first battery connector 41 and the receiving space described above. However, in other occasions or in the description of the document, the battery compartment 40 may include only one of the first battery connector 41 or the receiving space, or the first battery connector 41 may be a part of the first battery 10. It will be understood by those skilled in the art that the references to the main unit 50, the battery compartment 40, the first battery connector 41, the receiving space, etc. are only for clarity of describing specific implementations of the present disclosure, and the embodiments of the present disclosure are not limited thereto.

Optionally, in other or modified embodiments of the present application, the charging management unit 24 may be any one of a boosting charging management unit, a step-down charging management unit, and a boosting and stepping-down charging management unit.

Optionally, in other or modified embodiments of the present application, the electronic device 1 may further include a prompting unit, and the prompting unit may be disposed in the host 50. When detecting that the current charge of the second battery 20 is lower than a second preset charge (for example, but not limited to, the second preset charge may be any value between 10% and 30% of the battery capacity of the second battery 20), the processing unit 23 notifies the prompting unit, and the prompting unit may send a prompting signal to notify the user that the second battery 20 needs to be charged. The prompting signal emitted by the prompting unit can include, but is not limited to, a sound signal, a light signal, a vibration signal, and the like. It will be understood by those skilled in the art that the embodiments of the present application are not particularly limited thereto.

Compared with the prior art, the electronic device 1 includes the first battery 10 and the second battery 20, the first battery 10 is used for supplying power to the power receiving unit 30, and the second battery 20 is used for charging the first battery 10 when the current electric quantity of the first battery 10 is low, so that the problem that power cannot be continuously supplied when the electric quantity of a single battery is low in the prior art is avoided. In addition, the second battery 20 may be connected to an external charger, and the second battery 20 may be taken out of the battery compartment 40 or placed in the battery compartment 40 by the external charger, so that the first battery 10 does not need to be replaced, the power-off of the power-receiving unit 30 is not caused, and the normal operation of the power-receiving unit 30 is not affected. Therefore, the electronic device 1 of the present application has the advantage of supplying power uninterruptedly, and the normal operation of the system host 50 is not affected by the low battery or the need to replace the battery.

Please refer to fig. 5, which is a block diagram of a circuit of the electronic device 1 shown in fig. 2 according to one possible embodiment. The second battery 20 includes a second battery cell 21, a second battery management unit 22, a step-down charging management unit 241, a step-up charging management unit 242, a second battery connector 26, a switch S4, and a charging interface unit 25. The first battery 10 includes a first cell 11 and a first battery management unit 12. The battery compartment 40 comprises a first battery connector 41. The second battery management unit 22 is connected to the power receiving unit 30 sequentially via the second battery connector 26 and the first battery connector 41. The step-down charging management unit 241, the switch S4, and the step-up charging management unit 242 are connected to the power receiving unit 30 through the second battery connector 26 and the first battery connector 41, respectively. The step-down charging management unit 241 is further connected to the first battery cell 11 of the first battery 10 sequentially through the switch S4, the step-up charging management unit 242, the second battery connector 26, and the first battery connector 41. The second battery cell 21 is connected to the first battery cell 11 of the first battery 10 sequentially through the switch S4, the boost charge management unit 242, the second battery connector 26, and the first battery connector 41. The charging interface unit 25 is connected to the step-down charging management unit. The switch S4 includes a first conduction terminal connected to the second battery cell 21, a second conduction terminal connected to the boost charge management unit 242, and a switch control terminal connected to the power receiving unit 30 through the second battery connector 26 and the first battery connector 41.

In this embodiment, the battery capacity of the first battery 10 is smaller than the battery capacity of the second battery 20, for example, but not limited to, the battery capacity of the first battery 10 may be about 10% of the battery capacity of the second battery 20. The second battery 20 is used only for charging the first battery 10 and does not directly supply power to the power receiving unit 30. The second battery 20 can be removed from the battery compartment 40. When the second battery 20 is taken out of the battery compartment 40 or the second battery 20 is placed in the battery compartment 40, the second battery 20 can be charged by connecting an external charger.

The second battery 20 is normally in a standby state of low power consumption. When the power receiving unit 30 detects that the current electric quantity of the first battery cell 11 is lower than a first preset electric quantity through the first battery management unit 12, the power receiving unit 30 controls the switch S4 to be turned on. The second battery cell 21 charges the first battery 10 through the boost charge management unit 242. When the first battery 10 is fully charged, the power receiving unit 30 controls the switch S4 to be turned off, and the second battery 20 stops charging the first battery 10, and meanwhile, the second battery 20 automatically enters a low-power standby state.

When the charging interface unit 25 is connected to an external charger, if the second battery 20 is not taken out of the battery compartment 40, the power receiving unit 30 controls the switch S4 to be turned on, the external charger charges the second battery cell 21 through the charging interface unit 25 and the step-down charging management unit 241, and the second battery cell 21 charges the first battery cell 11 of the first battery 10 through the turned-on switch S4 and the step-up charging management unit 242. When the first battery 10 is fully charged, the power receiving unit 30 controls the switch S4 to be turned off, and the second battery 20 stops charging the first battery 10. But at this point the external charger may continue to charge the second battery 20 to full charge.

When the charging interface unit 25 is connected to an external charger, if the second battery 20 is taken out of the battery compartment 40, the external charger charges the second battery cell 21 through the charging interface unit 25 and the step-down charging management unit 241.

Optionally, in other or modified embodiments of the present application, the host 50 may further include a prompting unit connected to the power receiving unit 30, when the electric quantity of the second electric core 21 is lower than a second preset electric quantity, the power receiving unit 30 detects that the electric quantity of the second battery 20 is lower, and the power receiving unit 30 controls the prompting unit to notify the user to charge the second battery 20 in time through sound and light and the like.

Please refer to fig. 6, which is a block diagram of a circuit of the electronic device 1 shown in fig. 2 according to one possible embodiment. As shown in fig. 6, the second battery 20 includes a second battery cell 21, a second battery management unit 22, a step-down charging management unit 241, a charging interface unit 25, and a second battery connector 26. The host 50 includes a first battery 10, a power receiving unit 30, a boost charge management unit 242, a switch S4, and a first battery connector 41. The first battery 10 includes a first cell 11 and a first battery management unit 12. In fact, the embodiment shown in fig. 6 is basically the same in structure and operation principle as the embodiment shown in fig. 5, and the main difference is that the switch S4 and the boost charging unit 242 are provided in the main machine 50. Referring to fig. 5 and the description of the corresponding embodiments, those skilled in the art can understand the embodiments and the description thereof is omitted here.

Please refer to fig. 7, which is a block diagram of a circuit of the electronic device 1 shown in fig. 2 according to one possible embodiment. As shown in fig. 7, the second battery 20 includes a second battery cell 21, a second battery management unit 22, a step-down charging management unit 241, a charging interface unit 25, and a second battery connector 26. The host 50 includes a first battery 10, a power receiving unit 30, and a first battery connector 41. The first battery 10 includes a first battery cell 11, a first battery management unit 12, a boost charge management unit 242, and a switch S4. Actually, the embodiment shown in fig. 7 is substantially the same in structure and operation principle as the embodiment shown in fig. 5, and the main difference is that the switch S4 and the boost charging unit 242 are provided in the first battery 10. Referring to fig. 5 and the description of the corresponding embodiments, those skilled in the art can understand the embodiments and the description thereof is omitted here.

Please refer to fig. 8, which is a block diagram illustrating a possible embodiment of the electronic device 1 according to the present application. Please refer to fig. 9, which is a perspective view of the electronic device 1 shown in fig. 8. The electronic device 1 includes a first battery 10, a second battery 20, and a host 50. The host 50 includes a power receiving unit 30 and a battery compartment 40. The embodiment shown in fig. 8 is substantially the same as the embodiment shown in fig. 2, and the main difference is that the first battery 10 is located outside the main unit 50, that is, the first battery 10 and the second battery 20 are both located outside the main unit 50. Specifically, the second battery 20 is connected to the first battery 10. The first battery 10 and the second battery 20 can be placed in the battery compartment 40, or the first battery 10 and the second battery 20 can be taken out of the battery compartment 40. The power receiving unit 30 is connected to the battery compartment 40. The first battery 10 is used for supplying power to the power receiving unit 30 through the battery compartment 40. The second battery 20 is used for charging the first battery 10 when the current charge of the first battery 10 is lower than a first preset charge.

Please refer to fig. 10, which is a block diagram illustrating a circuit of the electronic device 1 shown in fig. 8 according to one possible embodiment. The first battery 10 includes a first battery cell 11, a first battery management unit 12, a third battery connector 13, and a fourth battery connector 14. The first battery cell 11 is configured to supply power to the power receiving unit 30. The first battery management unit 12 is configured to manage charging, discharging, and the like of the first battery cell 11. The first battery management unit 12 may detect the current power amount of the first battery cell 11, and feed back the current power amount information of the first battery cell 11 to the power receiving unit 30. The first cell 11 and the first battery management unit 12 of the first battery 10 are connected to the power receiving unit 30 through the fourth battery connector 14.

The second battery 20 includes a second battery cell 21, a second battery management unit 22, a processing unit 23, a charging management unit 24, a charging interface unit 25, a second battery connector 26, a first switch S1, a second switch S2, and a third switch S3. The second battery cell 21 is connected to the first battery 10 through the first switch S1, the third switch S3, the second battery connector 26, and the third battery connector 13 in sequence. The charge management unit 24 is connected to the first battery 10 through the third switch S3, the second battery connector 26, and the third battery connector 13. The charging interface unit 25 is connected to the charging management unit 24, and the charging interface unit 21 is connected to the second battery cell 21 through the second switch S2. The processing unit 23 connects the second battery management unit 22, the charge management unit 24, and the first and second switches S1 and S2. The processing unit 23 is connected to the power receiving unit 30 sequentially through the second battery connector 26, the third battery connector 13, and the fourth battery 14. The charging interface unit 25 is connected to the charging management unit 24. The charging interface unit 25 may be connected to an external charger, and the second battery 20 may be charged by the external charger. The second battery management unit 22 may be configured to detect a current power amount of the second battery cell 21 and feed back information of the current power amount of the second battery cell 21 to the processing unit 23.

When the power receiving unit 30 detects that the current power of the first battery 10 is lower than a first preset power, the power receiving unit 30 sends an interrupt signal to the processing unit 23, so as to wake up the second battery 20, the processing unit 23 controls the second switch S2 and the third switch S3 to be turned on, and the second battery cell 21 charges the first battery cell 11 through the turned-on second switch S2, the charging management unit 24, the turned-on third switch S3, the second battery connector 26, and the third battery connector 13.

When the charging interface unit 25 is connected to an external charger and the second battery 20 is not taken out of the battery compartment 40, the processing unit 23 controls the third switch S3 to be turned on and controls the first switch S1 and the second switch S2 to be turned off. The external charger charges the first cell 11 of the first battery 10 through the charging interface unit 21, the charging management unit 24, the turned-on third switch S3, the second battery connector 26, and the third battery connector 13. When the first battery 10 is fully charged, the processing unit 23 of the second battery 20 controls the second switch S2 to be turned off, the third switch S3 to be turned off, and the first switch S1 to be turned on, so that the external charger charges the second battery cell 21 through the charge management unit 24.

Optionally, in other or modified embodiments of the present application, the electronic device 1 may further include a prompting unit, and the prompting unit may be disposed in the host 50. When detecting that the current charge of the second battery 20 is lower than a second preset charge (for example, but not limited to, the second preset charge may be 10% of the battery capacity of the second battery 20), the prompting unit may issue a prompting signal to notify the user that the second battery 20 needs to be charged. The prompting signal emitted by the prompting unit can include, but is not limited to, a sound signal, a light signal, a vibration signal, and the like. It will be understood by those skilled in the art that the embodiments of the present application are not particularly limited thereto.

Please refer to fig. 11, which is a block diagram illustrating a circuit of the electronic device 1 shown in fig. 8 according to one possible embodiment. The first battery 10 includes a first battery cell 11, a first battery management unit 12, a boost charge management unit 242, a processing unit 23, a switch S4, a third battery connector 13, and a fourth battery connector 14. The second battery 20 includes a second battery cell 21, a second battery management unit 22, a step-down charging management unit 241, a charging interface unit 25, and a second battery connector 26.

The second battery 20 is generally in a standby state with low power consumption. When detecting that the current electric quantity of the first battery cell 11 of the first battery 10 is lower than a first preset electric quantity, the processing unit 23 controls the switch S4 to be turned on. The second battery cell 21 of the second battery 20 charges the first battery cell 11 through the second battery connector 26, the third battery connector 13, the turned-on switch S4, and the boost charge management unit 242.

When the first battery cell 11 is fully charged, the processing unit 23 controls the switch S4 to turn off, the second battery cell 21 stops charging the first battery cell 11, and the second battery 20 enters a low-power standby state.

When the charging interface unit 25 is connected to an external charger, if the second battery 20 is not taken out of the battery compartment 40, the switch S4 is turned on, the external charger charges the second battery cell 21 through the step-down charging management unit 241, and the second battery cell 21 charges the first battery cell 11 through the step-up charging management unit 242. When the first battery cell 11 is fully charged, the processing unit 23 controls the switch S4 to be turned off, and the second battery cell 21 stops charging the first battery cell 11, at which point, the external charger may continue to charge the second battery cell 21 until the second battery cell 21 is fully charged.

When the charging interface unit 25 is connected to an external charger, if the second battery 20 is taken out from the battery compartment 40, the external charger charges the second battery cell 21 through the step-down charging management unit 241.

Optionally, in other or modified embodiments, the host 50 may further include a prompting unit, and when the electric quantity of the second battery 20 is lower than a second preset electric quantity, the prompting unit prompts the user to charge the second battery 20 in time through sound and light or the like.

It should be noted that in the embodiment of the present application, the processing unit 23 may be a processor, a controller, and the like, for example, but not limited to, the processing unit 23 may be a microprocessor, a microcontroller, and a single chip microcomputer. In the embodiments of the present application, the possible "power of the first battery", "power of the first battery cell", or other similar descriptions may be understood as equivalent references by those skilled in the art.

Compared with the prior art, the electronic device 1 of the present application adopts a configuration scheme of "dual batteries", the first battery 10 is used for supplying power to the power receiving unit 30 of the host 50, the second battery 20 is used for supplementing the electric quantity of the first battery 10, and the second battery 20 can be charged by an external charger, when the electric quantity of the first battery 10 is low, the first battery 10 does not need to be replaced, and the power receiving unit 30 is not powered off, so that the power receiving unit 30 can obtain uninterrupted power supply, and the electronic device 1 of the present application can realize long-time uninterrupted work. It should be understood that the embodiment of the present application is not limited to the dual battery, and three batteries or more belong to the protection scope of the present application.

In addition, in some embodiments of the present application, the first battery 10 may be built in the main body 50 or mounted in the battery compartment 40, and the second battery 20 may be mounted in the battery compartment 40. The second battery 20 can be connected with an external charger for charging after the battery compartment 40 is taken out, and can also be connected with the external charger for charging in the battery compartment 40, so that the second battery has better scene adaptability, can meet different user requirements of 'directly charging equipment' or 'taking out the battery for charging', does not influence the normal power supply of the first battery 10 to the power receiving unit 30 when the second battery 20 is charged, and really realizes the uninterrupted power supply.

Further, in some embodiments of the present application, the battery capacity of the first battery 10 may be smaller than the battery capacity of the second battery 20, and then the second battery 20 may charge the first battery 10 for multiple times until the charge of the second battery 20 is lower than the second preset charge. With such a configuration, the frequency of charging the second battery 20 by connecting an external charger can be effectively reduced, and better user experience can be achieved.

Although the application has been shown and described with respect to one or more implementations, equivalent alterations and modifications will occur to others skilled in the art based upon a reading and understanding of this specification and the annexed drawings. This application is intended to embrace all such modifications and variations and is limited only by the scope of the appended claims. In particular regard to the various functions performed by the above described components, the terms used to describe such components are intended to correspond, unless otherwise indicated, to any component which performs the specified function of the described component (e.g., that is functionally equivalent), even though not structurally equivalent to the disclosed structure which performs the function in the herein illustrated exemplary implementations of the specification. In addition, while a particular feature of the specification may have been disclosed with respect to only one of several implementations, such feature may be combined with one or more other features of the other implementations as may be desired and advantageous for a given or particular application. Further, it is understood that reference to "a plurality" herein means two or more. For the steps mentioned herein, the numerical suffixes are merely used for clearly expressing the embodiments, and for easy understanding, the order of execution of the steps is not fully represented, and the logical relationship should be set as consideration.

The above-mentioned embodiments are only examples of the present application, and not intended to limit the scope of the present application, and all equivalent structures or equivalent flow transformations made by the contents of the specification and the drawings, such as the combination of technical features between the embodiments and the direct or indirect application to other related technical fields, are also included in the scope of the present application.

Claims

1. An electronic device, comprising a host, the host comprising a power receiving unit; it is characterized in that, the electronic device further comprises:

a first battery for supplying power to the power receiving unit;

a second battery for charging the first battery;

Wherein, the second battery is detachably connected to the first battery and can be connected to an external charger for charging.

2 . The electronic device according to claim 1 , wherein the first battery is located inside the host; the host further comprises a battery compartment, and the second battery can be put into the battery compartment or removed from the battery compartment. 3 . Take out the battery compartment.

3 . The electronic device according to claim 1 , wherein the electronic device further comprises a battery compartment, and the first battery and the second battery can be put into the battery compartment or from the battery compartment. 4 . Take out.

4. The electronic device according to claim 2 or 3, wherein the battery capacity of the first battery is any value between 10% and 30% of the battery capacity of the second battery.

5 . The electronic device according to claim 4 , wherein when the current power level of the first battery is lower than a first preset power level, the second battery charges the first battery until the first battery is charged. 6 . The battery is fully charged, or the second battery charges the first battery until the first battery reaches a threshold level.

6 . The electronic device according to claim 5 , wherein the host further comprises a prompting unit, and the prompting unit is configured to notify the user when the current power level of the second battery is lower than a second preset power level. 7 . hint.

7 . The electronic device according to claim 6 , wherein the first preset power is any value between 10% and 30% of the battery capacity of the first battery, and the second preset power The power is any value between 10% and 30% of the battery capacity of the second battery.

8 . The electronic device according to claim 5 , wherein the first battery comprises a first battery cell and a first battery management unit, the second battery comprises a second battery cell and a processing unit, and the first battery A battery management unit is used to detect the current power of the first battery and send the current power information of the first battery to the power receiving unit. When the current power of the first battery is lower than the first preset When the power is set, the power receiving unit notifies the processing unit, and the processing unit controls the second battery cell to start charging the first battery cell.

9 . The electronic device according to claim 8 , wherein the second battery further comprises a second battery management unit, a charging management unit, a charging interface unit, a first switch, a second switch and a third switch, the The second battery cell is connected to the first battery through the first switch and the third switch in sequence, the charging management unit is connected to the first battery through the third switch, and the charging interface unit The charging management unit is connected, the charging interface unit is connected to the second battery cell through the second switch, and the processing unit is connected to the second battery management unit, the charging management unit, and the first switch , the second switch and the power receiving unit, the second battery management unit is used to detect the current power of the second battery and send the current power information of the second battery to the processing unit, The charging interface unit is used for connecting the external charger to charge the second battery.

10 . The electronic device according to claim 4 , wherein the electronic device is a smart door lock, a smart doorbell or a smart security device. 11 .