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CN105635529A - Power source device and power supply method of wireless vehicle-mounted reversing camera - Google Patents

Power source device and power supply method of wireless vehicle-mounted reversing camera Download PDF

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Publication number
CN105635529A
CN105635529A CN201410598678.4A CN201410598678A CN105635529A CN 105635529 A CN105635529 A CN 105635529A CN 201410598678 A CN201410598678 A CN 201410598678A CN 105635529 A CN105635529 A CN 105635529A
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CN
China
Prior art keywords
voltage
module
power module
supply unit
backup camera
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410598678.4A
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Chinese (zh)
Inventor
彭保林
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Ningbo Sunny Opotech Co Ltd
Original Assignee
Ningbo Sunny Opotech Co Ltd
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Application filed by Ningbo Sunny Opotech Co Ltd filed Critical Ningbo Sunny Opotech Co Ltd
Priority to CN201410598678.4A priority Critical patent/CN105635529A/en
Publication of CN105635529A publication Critical patent/CN105635529A/en
Pending legal-status Critical Current

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Abstract

Disclosed is a power source device of a wireless vehicle-mounted reversing camera. The power source device is suitable for being electrically connected between a vehicle-mounted voltage output end and a work circuit of the wireless vehicle-mounted reversing camera, the power source device comprises a time delay switch module and a power source module, one end of the time delay switch module is suitable for being electrically connected to the vehicle-mounted voltage output end, the other end of the time delay switch module is electrically connected with the power source module, and the power source module is suitable for being electrically connected with the work circuit, so the time delay switch module powers off the power source module when an input voltage of the power source device is less than a minimum input voltage of the power source module, and supplies voltage to the power source module when the input voltage of the power source device is greater than the minimum input voltage of the power source module.

Description

The supply unit of a kind of wireless vehicle mounted backup camera and method of supplying power to thereof
Technical field
The present invention relates to electrical application technology field, particularly relate to supply unit and the method for supplying power to thereof of a kind of wireless vehicle mounted backup camera.
Background technology
Automobile is the indispensable transport facility of modern society, and various electronic equipments are more and more used on automobile, and the voltage of the electromotor output that these electronic equipment major parts require over automobile provides stable power supply supply for it. The range of vehicle-mounted output voltage is bigger, the input voltage range of the power supply of wireless vehicle mounted backup camera is proposed significantly high requirement by this, such as, when automobile starting, vehicle-mounted output voltage is likely to sharply decline at short notice, now, if vehicle-mounted output voltage reduces below the input voltage range of the power supply of wireless vehicle mounted backup camera, it is possible to the electronic equipment irregular working that some are sensitive to Voltage Drop can be caused. At present, the input voltage of the power supply of most wireless vehicle mounted backup camera is at more than 9V, that is vehicle-mounted output voltage is once being pulled to lower than 9V, the power supply of wireless vehicle mounted backup camera cannot normally be powered for wireless vehicle mounted backup camera, thus causing wireless vehicle mounted backup camera cisco unity malfunction.
For wireless vehicle mounted backup camera. When automobile starting, vehicle-mounted output voltage is dragged down by moment and then recovers normal voltage, and the circuit causing wireless vehicle mounted backup camera is restarted by this process, especially the reconnecting of wireless connections, adding the time of wireless connections, resulting even in wireless module cannot reset and cannot work. These problems all can affect the normal use of wireless vehicle mounted backup camera, brings very poor Consumer's Experience.
Summary of the invention
It is an object of the present invention to provide the supply unit of a kind of wireless vehicle mounted backup camera, this supply unit can when input voltage is lower than a predetermined value, for wireless vehicle mounted backup camera power-off, it is to avoid the irregular working of wireless vehicle mounted backup camera.
Further object is that the supply unit that a kind of wireless vehicle mounted backup camera is provided, this supply unit can when automobile starting causes that vehicle-mounted output voltage was dragged down by moment, the wireless vehicle mounted backup camera of delayed startup, recover to restart wireless vehicle mounted backup camera after normally at vehicle-mounted output voltage, it is to avoid the irregular working of wireless vehicle mounted backup camera.
Further object is that the supply unit that a kind of wireless vehicle mounted backup camera is provided, the input voltage range that this supply unit is wider relative to traditional vehicle power tool so that this wireless vehicle mounted backup camera can in wider input voltage range normal operation.
Further object is that the supply unit that a kind of wireless vehicle mounted backup camera is provided, described supply unit includes a power module, the voltage of relative broad range can be processed by described power module, and export certain voltage to supply wireless vehicle mounted backup camera, it is ensured that the normal use of wireless vehicle mounted backup camera.
Further object is that the supply unit that a kind of wireless vehicle mounted backup camera is provided, this supply unit includes a delay switch module, this delay switch is able to when input voltage is lower than the minimum input voltage of the power module of this supply unit, voltage is not exported to described power module, namely wireless vehicle mounted backup camera is carried out power-off, when input voltage is not less than the minimum input voltage of power module, voltage is exported to described power module, powers for wireless vehicle mounted backup camera further.
Further object is that the supply unit providing a kind of wireless vehicle mounted backup camera, this supply unit includes a prime protection module, and prime protection module can provide at least one in surging prevention, over-current over-voltage protection and anti-reverse protection.
Further object is that the supply unit providing a kind of wireless vehicle mounted backup camera, this supply unit includes a prime isolation module, and the electromagnetism that prime isolation module can be used for preventing producing in circuit interferes.
Further object is that the method for supplying power to that a kind of wireless vehicle mounted backup camera is provided, this method of supplying power to is suitable to when vehicle-mounted output voltage is lower than certain value, to described wireless vehicle mounted backup camera power-off, thus avoiding the irregular working under low pressure of described wireless vehicle mounted backup camera. When causing vehicle-mounted output voltage by instantaneous dragging down particularly in automobile starting, described wireless vehicle mounted backup camera is powered by this method of supplying power to by delay, avoids the irregular working of described wireless vehicle mounted backup camera.
For reaching object above, the present invention provides the supply unit of a kind of wireless vehicle mounted backup camera, described supply unit is suitable to be electrically connected between an operating circuit of a vehicle-mounted voltage output end and described wireless vehicle mounted backup camera, described supply unit includes a delay switch module and a power module, one end of described delay switch module is suitable to electrically connect with described vehicle-mounted voltage output end, the other end and described power module electrically connect, described power module is suitable to electrically connect with described operating circuit, described delay switch module is when the input voltage of described supply unit is lower than the minimum input voltage of described power module, described power module is carried out power-off, when input voltage at described supply unit is not less than the minimum input voltage of described power module, voltage is defeated by described power module.
Preferably, described delay switch module includes a voltage detection unit and is suitable to electrically connect with described vehicle-mounted voltage output end, and it is connected to one first outfan and one second outfan of described voltage detection unit, described first outfan and described power module electrically connect, described second outfan and an external circuit electrically connect, described voltage detection unit is suitable to make described supply unit, when input voltage is not less than a preset value of described voltage detection unit, by described first outfan, voltage are defeated by described power module, when the input voltage of described supply unit is lower than described preset value, voltage is defeated by described external circuit by described second outfan, to described power module power-off.
Preferably, the described preset value of described voltage detection unit is equal to the minimum input voltage of described power module.
Preferably, described supply unit farther includes a filtration module, and described filtration module is electrically connected between described power module and described operating circuit.
Preferably; described supply unit farther includes a prime protection module; described prime protection module is electrically connected between described vehicle-mounted voltage output end and described delay switch module, and described prime protection module includes at least one in a surging prevention unit, an over-current over-voltage protection unit and an anti-reverse protected location.
Preferably, described supply unit farther includes a prime isolation module, and described prime isolation module is electrically connected between described prime protection module and described delay switch module, and the electromagnetism that can be used for preventing producing in circuit interferes.
Preferably, the input voltage range of described power module is 5.5-36V.
Preferably, the described preset value of described voltage detection unit is equal to 5.5V.
The present invention also provides for the method for supplying power to of a kind of wireless vehicle mounted backup camera, and it comprises the following steps:
A) one power module and a delay switch module are provided;
B) described delay switch module receives the voltage of a vehicle-mounted voltage output end output, and judge that voltage that described vehicle-mounted voltage output end exports is whether lower than the minimum input voltage of described power module, if being not less than the minimum input voltage of described power module, then voltage is defeated by described power module, the voltage of described electric power source pair of module input processes, and export to an operating circuit of described wireless vehicle mounted backup camera, if the voltage of described vehicle-mounted voltage output end output is lower than the minimum input voltage of described power module, then to described power module power-off.
Preferably; a step c1 was farther included before step b): the voltage of described vehicle-mounted voltage output end output is carried out protection process, and described protection processes and includes: at least one in surging prevention, an over-current over-voltage protection and an anti-reverse protection.
Preferably, in step c1) after also include a step c2): to described vehicle-mounted voltage output end output voltage carry out isolation processing, for prevent in circuit produce electromagnetism interfere.
Preferably, before step b, a step c3 is also included): it is filtered processing to the voltage of described vehicle-mounted voltage output end output.
Preferably, farther include a step b1 in stepb): voltage is defeated by before described operating circuit by described power module, and the voltage that described power module is exported is filtered processing.
Accompanying drawing explanation
Fig. 1 is the flow chart of a preferred embodiment of the supply unit of a kind of wireless vehicle mounted backup camera according to the present invention.
Fig. 2 is the flow chart of a preferred embodiment of the supply unit of a kind of wireless vehicle mounted backup camera according to the present invention.
Fig. 3 is the circuit diagram of the power module of a preferred embodiment of the supply unit of a kind of wireless vehicle mounted backup camera according to the present invention.
Fig. 4 is the circuit diagram of the delay switch module of a preferred embodiment of the supply unit of a kind of wireless vehicle mounted backup camera according to the present invention.
Detailed description of the invention
It is described below for disclosing the present invention so that those skilled in the art are capable of the present invention. Preferred embodiment in being described below is only used as citing, it may occur to persons skilled in the art that other apparent modification. The ultimate principle of the present invention defined in the following description can apply to other embodiments, deformation program, improvement project, equivalent and the other technologies scheme without departing from the spirit and scope of the present invention.
In order to solve automobile in ignition process, wireless vehicle mounted backup camera is exerted an adverse impact by temporary the falling of vehicle-mounted output voltage, the present invention provides the supply unit 10 of a kind of wireless vehicle mounted backup camera, described supply unit 10 to be suitable to be electrically connected between a vehicle-mounted voltage output end 20 and an operating circuit 30 of described wireless vehicle mounted backup camera. described supply unit 10 includes delay switch module 11 and a power module 12, one end of described delay switch module 11 is suitable to electrically connect with described vehicle-mounted voltage output end 20, the other end and described power module 12 electrically connect, described power module 12 is suitable to electrically connect with described operating circuit 30, described delay switch module 11 is suitable to when the input voltage of described supply unit 10 is lower than the minimum input voltage of described power module 12, described power module 12 is carried out power-off, when input voltage at described supply unit 10 is not less than the minimum input voltage of described power module 12, voltage is defeated by described power module 12.
Concrete, described operating circuit 30 is for controlling the work of each module of described wireless vehicle mounted backup camera, such as wireless module and photographing module etc.
As shown in Figure 1, one end of described supply unit 10 and described vehicle-mounted voltage output end 20 electrically connect, the described operating circuit 30 of the other end and described wireless vehicle mounted backup camera electrically connects, thus processing and be supplied to described operating circuit 30 to the voltage of described vehicle-mounted voltage output end 20 output.
It is noted that the electric supply installation on described vehicle-mounted voltage output end 20 namely automobile, it is common that be electric energy by the electromotor of automobile by changes mechanical energy, then by the electricity output that produces to each electrical equipment on automobile. The voltage of the input voltage of described supply unit 10 alleged in this specification namely the output of described vehicle-mounted voltage output end 20.
Described power module 12 is electrically connected between described vehicle-mounted voltage output end 20 and described operating circuit 30, is suitable to the voltage be converted to by the input voltage of described supply unit 10 needed for described operating circuit 30 normal operation. Owing to the performance of described power module 12 self limits, described power module 12 can only in certain input voltage range normal operation, the voltage of normal operation is provided for described operating circuit 30, when the input voltage of described power module 12 is beyond described voltage range, described power module 12 cannot provide, for described operating circuit 30, the voltage made needed for its normal operation, now may result in the under-voltage or overvoltage of described operating circuit 30 so that described wireless vehicle mounted backup camera cisco unity malfunction. During particularly in automobile starting, the voltage transient of described vehicle-mounted voltage output end 20 output is pulled low, cause the input voltage minimum input voltage lower than described power module 12 of described supply unit 10, thus described power module 12 can not provide, for described operating circuit 30, the voltage making its normal operation, the use of described wireless vehicle mounted backup camera is impacted. Therefore can by selecting the described power module 12 that input voltage range is wide and input voltage range is relatively low to expand the normal operating range of described supply unit 10.
What described power module 12 was concrete includes a DC modular converter, for input voltage is converted into required output voltage. Preferably, the input voltage range of described power module 12 is 5.5-36V, its minimum input voltage 5.5V is more much lower than the minimum input voltage 9V of traditional vehicle power, it is possible to meet the requirement to the minimum input voltage of vehicle power when starting of major part automobile. That is automobile is when starting, as long as vehicle-mounted output voltage is not pulled down to below 5.5V, follow-up circuit just can normal operation, namely described power module 12 and described operating circuit 30 can normal operation.
Preferably, described power module 12 includes the transducer that model is TPS5430 so that the input range of described power module 12 is 5.5-36V.
As it is shown on figure 3, be the circuit diagram of a preferred embodiment of described power module 12.
Described delay switch module 11 is electrically connected between described vehicle-mounted voltage output end 20 and described power module 12, described delay switch module 11 is suitable to when the input voltage of described supply unit 10 is less than the minimum input voltage of described power module 12, described power module 12 is carried out power-off, namely voltage is not defeated by described power module 12, described delay switch module 11 is when the input voltage of described supply unit 10 is more than the minimum input voltage of described power module 12, voltage is inputed to described power module 12, and powered for described operating circuit 30 by described power module 12, start described wireless vehicle mounted backup camera.
As shown in Figure 2, described delay switch module 11 includes a voltage detection unit 111, one first outfan 112 and one second outfan 113, one end of described voltage detection unit 111 is suitable to electrically connect with described vehicle-mounted voltage output end 20, the other end electrically connects with described first outfan 112 and described second outfan 113 respectively, described first outfan 112 electrically connects with described power module 12, described second outfan 113 and an external circuit 40 electrically connect, described voltage detection unit 111 is suitable to when the input voltage of described supply unit 10 is not less than a preset value of described voltage detection unit 111, voltage is defeated by described power module 12, when the input voltage of described supply unit 10 is lower than described preset value, voltage is defeated by described external circuit 40, described power module 12 is carried out power-off. preferably, described second outfan 113 ground connection.
Preferably, described preset value is the minimum input voltage of described power module 12. that is, the voltage of described vehicle-mounted voltage output end 20 output first passes around described voltage detection unit 111, described voltage detection unit 111 judges that whether the input voltage of described supply unit 10 is lower than described minimum input voltage, when input voltage is lower than the minimum input voltage of described power module 12, voltage is exported by described voltage detection unit 111 by described second outfan 113, and it is not applied to described power module 12, therefore the described operating circuit 30 of described wireless vehicle mounted backup camera is without startup, when input voltage is not less than the minimum input voltage of described power module 12, voltage is exported described power module 12 by described first outfan 112 by described voltage detection unit 111, exported to described operating circuit 30 by described power module 12.
Preferably, the preset value of described voltage detection unit is 5.5V, when vehicle-mounted output voltage is pulled down to below 5.5V, the input voltage of described supply unit 10 exports described external circuit, described operating circuit 30 does not start, and when vehicle-mounted output voltage is more than or equal to 5.5V, the input voltage of described supply unit 10 is defeated by described power module 12, powered for described operating circuit 30 by described power module 12, start described operating circuit 30.
As shown in Figure 4, for the circuit diagram of a preferred embodiment of described delay switch module 11.
Preferably; described supply unit 10 farther includes a prime protection module 13; described prime protection module 13 is electrically connected between described vehicle-mounted voltage output end 20 and described delay switch module 11, for processing to protect described supply unit 10 to the voltage inputting described supply unit 10. Described prime protection module 13 includes at least one in a surging prevention unit, an over-current over-voltage protection unit and an anti-reverse protected location.
Preferably, described supply unit 10 farther includes a prime isolation module 14, and described prime isolation module 14 is electrically connected between described prime protection module 13 and described delay switch module 11, and the electromagnetism that can be used for preventing producing in circuit interferes.
Preferably, described supply unit 10 farther includes a filtration module 15, and described filtration module 15 is electrically connected between described power module 12 and described operating circuit 30, for the voltage of described power module 12 output is filtered.
It is worth mentioning that, when automobile starting, the voltage of described vehicle-mounted voltage output end 20 output can be dragged down by instantaneous, to such an extent as to lower than the minimum input voltage of described power module 12, now this part low-voltage is gone out to described external circuit 40 by described delay switch module 11 by described second outfan defeated 113, described power module 12 is carried out power-off, and described operating circuit 30 does not start. Voltage in the output of described vehicle-mounted voltage output end 20 recovers after normally, voltage is in the input voltage range of described power module 12, voltage is defeated by described power module 12 by described first outfan 112 by described delay switch module 11, then pass through described power module 12 and voltage is exported to described operating circuit 30, described operating circuit 30 is started, normal operation.
By above description it is known that, described delay switch module 11 is mainly when automobile starting, carry out the described operating circuit 30 of described power module 12 and described wireless vehicle mounted backup camera postponing power supply, it is to avoid automobile vehicle-mounted output voltage instantaneous when starting falls normal use the to described wireless vehicle mounted backup camera and impact. Owing to automobile starting causes that the process of Voltage Drop is instantaneity, therefore the process of this delay start is actually very short, brings impact can't to the use of user.
In addition; described delay switch module 11 can also play the effect protecting described wireless vehicle mounted backup camera owing to other reasons causes when vehicle-mounted output voltage temporarily falls, it is to avoid the irregular working when under-voltage of the described wireless vehicle mounted backup camera and produce various problem.
The present invention also provides for the method for supplying power to of a kind of wireless vehicle mounted backup camera, described method of supplying power to is suitable to when vehicle-mounted voltage is by instantaneous dragging down, to described wireless vehicle mounted backup camera power-off, thus avoiding the irregular working under low pressure of described wireless vehicle mounted backup camera. During particularly in automobile starting, postpone described wireless vehicle mounted backup camera is powered, it is to avoid the irregular working of described wireless vehicle mounted backup camera. Described method of supplying power to comprises the following steps:
A) one power module 12 and a delay switch module 11 be provided;
B) described delay switch module 11 receives the voltage of vehicle-mounted voltage output end 20 output, and judge that voltage that described vehicle-mounted voltage output end 20 exports is whether lower than the minimum input voltage of described power module 12, if being not less than the minimum input voltage of described power module 12, then voltage is defeated by described power module 12, the voltage of input is processed by described power module 12, and export to an operating circuit 30 of described wireless vehicle mounted backup camera, if the voltage of described vehicle-mounted voltage output end 20 output is lower than the minimum input voltage of described power module 12, then to the power-off of described power module 12.
It is noted that described in step b), namely voltage is not defeated by by the power-off of described power module 12 described power module 12. Concrete, it is possible to voltage is exported by an external circuit 40.
Preferably; a step c1 was farther included before step b): the voltage of described vehicle-mounted voltage output end 20 output is carried out protection process, and described protection processes and includes: at least one in surging prevention, an over-current over-voltage protection and an anti-reverse protection.
Preferably, in step c1) after can also include a step c2 before step b): the voltage of described vehicle-mounted voltage output end 20 output is carried out isolation processing, for preventing the electromagnetism produced in circuit from interfering.
Preferably, a step c3 can also be included before step b): it is filtered processing to the voltage of described vehicle-mounted voltage output end 20 output.
Preferably, farther include a step b1 in stepb): before voltage is defeated by described operating circuit 30 by described power module 12, it is filtered processing to the voltage of described power module 12 output.
For wireless vehicle mounted backup camera, if power supply mode does not have corresponding protective measure, when the voltage of input wireless module is dragged down by instantaneous; when then recovering normal; causing wireless reconnecting, add the time of wireless connections, resulting even in wireless module cannot reset and cannot work. The method of supplying power to using the present invention is that described wireless vehicle mounted backup camera is powered, and can be effectively prevented from the problems referred to above.
It should be understood by those skilled in the art that the embodiments of the invention shown in foregoing description and accompanying drawing are only used as citing and are not limiting as the present invention. The purpose of the present invention is completely and be effectively realized. The function of the present invention and structural principle are shown in an embodiment and illustrate, without departing under described principle, embodiments of the present invention can have any deformation or amendment.

Claims (13)

1. the supply unit of a wireless vehicle mounted backup camera, described supply unit is suitable to be electrically connected between an operating circuit of a vehicle-mounted voltage output end and described wireless vehicle mounted backup camera, it is characterized in that, described supply unit includes a delay switch module and a power module, one end of described delay switch module is suitable to electrically connect with described vehicle-mounted voltage output end, the other end and described power module electrically connect, described power module is suitable to electrically connect with described operating circuit, described delay switch module is when the input voltage of described supply unit is lower than the minimum input voltage of described power module, described power module is carried out power-off, when input voltage at described supply unit is not less than the minimum input voltage of described power module, voltage is defeated by described power module.
2. the supply unit of wireless vehicle mounted backup camera as claimed in claim 1, wherein said delay switch module includes a voltage detection unit and is suitable to electrically connect with described vehicle-mounted voltage output end, and it is connected to one first outfan and one second outfan of described voltage detection unit, described first outfan and described power module electrically connect, described second outfan and an external circuit electrically connect, simple eye being suitable to of described voltage detecting makes described supply unit, when input voltage is not less than a preset value of described voltage detection unit, by described first outfan, voltage are defeated by described power module, when the input voltage of described supply unit is lower than described preset value, voltage is defeated by described external circuit by described second outfan, to described power module power-off.
3. the supply unit of wireless vehicle mounted backup camera as claimed in claim 2, the described preset value of wherein said voltage detection unit is equal to the minimum input voltage of described power module.
4. the supply unit of wireless vehicle mounted backup camera as claimed in claim 3, wherein said supply unit farther includes a filtration module, and described filtration module is electrically connected between described power module and described operating circuit.
5. the supply unit of wireless vehicle mounted backup camera as claimed in claim 4; wherein said supply unit farther includes a prime protection module; described prime protection module is electrically connected between described vehicle-mounted voltage output end and described delay switch module, and described prime protection module includes at least one in a surging prevention unit, an over-current over-voltage protection unit and an anti-reverse protected location.
6. the supply unit of wireless vehicle mounted backup camera as claimed in claim 5; wherein said supply unit farther includes a prime isolation module; described prime isolation module is electrically connected between described prime protection module and described delay switch module, interferes for preventing the electromagnetism produced in circuit.
7. the supply unit of wireless vehicle mounted backup camera as claimed in claim 6, the input voltage range of wherein said power module is 5.5-36V.
8. a method of supplying power to for wireless vehicle mounted backup camera, comprises the following steps:
A) one power module and a delay switch module are provided; And
B) described delay switch module receives the voltage of a vehicle-mounted voltage output end output, and judge that voltage that described vehicle-mounted voltage output end exports is whether lower than the minimum input voltage of described power module, if being not less than the minimum input voltage of described power module, then voltage is defeated by described power module, the voltage of described electric power source pair of module input processes, and export to an operating circuit of described wireless vehicle mounted backup camera, if the voltage of described vehicle-mounted voltage output end output is lower than the minimum input voltage of described power module, then to described power module power-off.
9. the method for supplying power to of wireless vehicle mounted backup camera as claimed in claim 8; before step b, wherein farther include a step c1): the voltage of described vehicle-mounted voltage output end output is carried out protection process, and described protection processes and includes: at least one in surging prevention, an over-current over-voltage protection and an anti-reverse protection.
10. the method for supplying power to of wireless vehicle mounted backup camera as claimed in claim 9, wherein in step c1) after also include a step c2): to described vehicle-mounted voltage output end output voltage carry out isolation processing.
11. the method for supplying power to of wireless vehicle mounted backup camera as claimed in claim 10, before step b, wherein farther include a step c3): it is filtered processing to the voltage of described vehicle-mounted voltage output end output.
12. the method for supplying power to of wireless vehicle mounted backup camera as claimed in claim 10, wherein farther include a step b1 in stepb): voltage is defeated by before described operating circuit by described power module, and the voltage that described power module is exported is filtered processing.
13. the method for supplying power to of the wireless vehicle mounted backup camera as described in as arbitrary in claim 8-12, the input voltage range of wherein said power module is 5.5-36V.
CN201410598678.4A 2014-10-30 2014-10-30 Power source device and power supply method of wireless vehicle-mounted reversing camera Pending CN105635529A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410598678.4A CN105635529A (en) 2014-10-30 2014-10-30 Power source device and power supply method of wireless vehicle-mounted reversing camera

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Application Number Priority Date Filing Date Title
CN201410598678.4A CN105635529A (en) 2014-10-30 2014-10-30 Power source device and power supply method of wireless vehicle-mounted reversing camera

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CN105635529A true CN105635529A (en) 2016-06-01

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Citations (7)

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Publication number Priority date Publication date Assignee Title
US20030080621A1 (en) * 2001-10-26 2003-05-01 Kirk John B. Automotive electrical system protection device
WO2003038968A1 (en) * 2001-10-17 2003-05-08 Robert Bosch Gmbh Method for monitoring the reversing process of electrically actuatable units
US20070024460A1 (en) * 2005-08-01 2007-02-01 Clark Richard L Electrical apparatus with voltage drop indicator
CN102270831A (en) * 2011-07-26 2011-12-07 广州日滨科技发展有限公司 A wide-voltage power supply protection device for an intelligent vehicle terminal
CN203339945U (en) * 2013-05-29 2013-12-11 上海载德信息科技有限公司 Vehicle-mounted power supply transformation protection device
CN203660610U (en) * 2014-01-14 2014-06-18 陈冠龙 Intelligent monitoring device for automobile power supply parking
CN103869858A (en) * 2012-12-11 2014-06-18 厦门雅迅网络股份有限公司 Vehicle-mounted electronic device power supply self-adaptation control method and system thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003038968A1 (en) * 2001-10-17 2003-05-08 Robert Bosch Gmbh Method for monitoring the reversing process of electrically actuatable units
US20030080621A1 (en) * 2001-10-26 2003-05-01 Kirk John B. Automotive electrical system protection device
US20070024460A1 (en) * 2005-08-01 2007-02-01 Clark Richard L Electrical apparatus with voltage drop indicator
CN102270831A (en) * 2011-07-26 2011-12-07 广州日滨科技发展有限公司 A wide-voltage power supply protection device for an intelligent vehicle terminal
CN103869858A (en) * 2012-12-11 2014-06-18 厦门雅迅网络股份有限公司 Vehicle-mounted electronic device power supply self-adaptation control method and system thereof
CN203339945U (en) * 2013-05-29 2013-12-11 上海载德信息科技有限公司 Vehicle-mounted power supply transformation protection device
CN203660610U (en) * 2014-01-14 2014-06-18 陈冠龙 Intelligent monitoring device for automobile power supply parking

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