CN221328837U - Circuit for lifting control of display and lifting device of display - Google Patents
Circuit for lifting control of display and lifting device of display Download PDFInfo
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- CN221328837U CN221328837U CN202322451931.0U CN202322451931U CN221328837U CN 221328837 U CN221328837 U CN 221328837U CN 202322451931 U CN202322451931 U CN 202322451931U CN 221328837 U CN221328837 U CN 221328837U
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- 239000003990 capacitor Substances 0.000 claims description 36
- 230000005669 field effect Effects 0.000 claims description 32
- 230000001960 triggered effect Effects 0.000 claims description 9
- 230000000630 rising effect Effects 0.000 claims description 6
- 238000013016 damping Methods 0.000 abstract description 7
- 230000001174 ascending effect Effects 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 7
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005477 standard model Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a circuit for lifting control of a display and a lifting device of the display, which relate to the technical field of displays and comprise the following components: the key module triggers a key signal based on the change of the potential after key contact; the main control chip outputs a first driving signal when receiving an ascending key signal and outputs a second driving signal when receiving a descending key signal in a key signal triggering period; the motor module controls the motor to drive the display to ascend in a first driving signal input state and controls the motor to drive the display to descend in a second driving signal input state according to the input driving signals. According to the utility model, a traditional damping type manual adjustment mode is replaced by a motor adjustment mode, so that a user can adjust the height of the display more accurately, and simultaneously, both hands can be liberated, and the operation difficulty is reduced.
Description
Technical Field
The utility model relates to the technical field of displays, in particular to a circuit for controlling lifting of a display and a lifting device of the display.
Background
The existing adjustable computer display mostly adopts a manual adjustment mode to adjust the height of the display, and the adjustment mode is difficult to operate when the weight of the display screen is large. In the prior art, a damping mode is generally adopted when the problems are encountered, the self weight of the display screen is counteracted when the display screen is regulated, but the regulation mode is difficult to accurately control the regulation force in place due to the existence of damping, and the display is difficult to regulate to a specified height.
Disclosure of utility model
In order to realize accurate regulation of the height of the display and overcome the defects of the existing damping type regulation, the utility model provides a circuit for lifting control of the display, which comprises the following components:
the image acquisition component is used for acquiring a user gesture image and user distance information in a preset angle range right in front of the display and transmitting the user gesture image and the user distance information to the main control chip;
The main control chip is used for receiving and processing the user gesture image and the user distance information and sending out a first driving signal or a second driving signal;
And the motor module is used for controlling the motor to drive the display to rise in a first driving signal input state and controlling the motor to drive the display to fall in a second driving signal input state according to the input driving signals.
Further, the method further comprises the following steps:
The key module comprises a first key and a second key, when the key is pressed, a key signal is triggered based on the change of potential after key contact, a rising key signal is triggered when the first key is pressed, and a falling key signal is triggered when the second key is pressed;
The main control chip also receives information of the key module and controls the action of the motor module according to the received information.
Further, the key module includes a touch sensing chip, and includes a first pin to a tenth pin, where:
The first pin is grounded through a second capacitor; the second pin is grounded through a fourth capacitor; the third pin is connected with the second key through a fifty-first resistor; the fifth pin is connected with the first key through a fifty-third resistor; the seventh pin outputs a descending key signal; the eighth pin outputs a rising key signal; the seventh pin to the ninth pin are connected to the chip voltage through fifty-sixth resistors to fifty-fourth resistors respectively; the tenth pin is grounded, and meanwhile, the ninth pin is connected to the ground through the fifth capacitor.
Further, the motor module includes a first field effect transistor to a fourth field effect transistor, and a first gate driving chip and a second gate driving chip, where the first gate driving chip and the second driving chip control switching of high and low voltage states at two ends of the common mode inductor by controlling on-off of each field effect transistor, and the switching device comprises:
When the motor module is in a first driving signal input state, the common mode inductance voltage in the direction connected with the first grid driving chip is larger than the common mode inductance voltage in the direction connected with the second grid driving chip;
When the motor module is in the second driving signal input state, the common mode inductance voltage in the direction connected with the first grid driving chip is smaller than the common mode inductance voltage in the direction connected with the second grid driving chip.
Further, the first gate driving chip includes first to eighth pins, wherein:
The drain electrode of the first field effect transistor is connected with the working voltage, the source electrode of the first field effect transistor is connected with the first input end of the common mode inductor, the grid electrode of the first field effect transistor is connected with the first input end of the common mode inductor through a fifth resistor and a fourteenth capacitor which are connected in parallel, and the grid electrode of the first field effect transistor is connected with a seventh pin of the first grid electrode driving chip through a third resistor; the drain electrode of the second field effect transistor is connected with the first input end of the common mode inductor, the source electrode is grounded through a twelfth resistor, the grid electrode is grounded through a first resistor and a twenty-second capacitor which are connected in parallel, and the grid electrode is connected with a fifth pin of the first grid electrode driving chip through an eighth resistor;
The first pin of the first grid driving chip is connected with working voltage and grounded through a sixth capacitor; the second pin and the third pin are respectively connected with a high-level signal and a low-level signal in a first driving signal of the main control chip; the fourth pin is grounded; the eighth pin is connected with the first input end of the common mode inductor through the eleventh capacitor and the sixth pin.
Further, the second gate driving chip includes first to eighth pins, wherein:
The drain electrode of the third field effect transistor is connected with the working voltage, the source electrode of the third field effect transistor is connected with the second input end of the common mode inductor, the grid electrode of the third field effect transistor is connected with the second input end of the common mode inductor through a sixth resistor and a third capacitor which are connected in parallel, and the grid electrode of the third field effect transistor is connected with a seventh pin of the second grid electrode driving chip through a fourth resistor; the drain electrode of the fourth field effect transistor is connected with the second input end of the common mode inductor, the source electrode is grounded through a twelfth resistor, the grid electrode is grounded through a second resistor and a twenty-fourth capacitor which are connected in parallel, and the grid electrode is connected with a fifth pin of a second grid electrode driving chip through a ninth resistor;
The first pin of the second grid driving chip is connected with working voltage and grounded through a seventh capacitor; the second pin and the third pin are respectively connected with a high-level signal and a low-level signal in a second driving signal of the main control chip; the fourth pin is grounded; the eighth pin is connected with the first input end of the common mode inductor through the twelfth capacitor and the sixth pin.
Further, the motor has a first input and a second input, wherein:
The first input end of the motor is connected with the first output end of the common-mode inductor, and the second input end of the motor is connected with the second output end of the common-mode inductor; the first input end of the common-mode inductor is connected with the second input end of the common-mode inductor through a forty-third capacitor.
Further, the display device also comprises a power supply module for converting an external power supply into a chip voltage and a working voltage, and/or a buzzer for providing voice reminding in the lifting process of the display.
Further, the image acquisition component comprises two implementation modes, including synchronous acquisition of a user gesture image and distance information through a depth camera, acquisition of a user gesture image through a non-depth camera and acquisition of distance information through a distance sensor.
Still include a display elevating gear, include:
the base is provided with a main control chip, an image acquisition assembly and a key module which are electrically connected with the main control chip;
The motor module is arranged in the base and is electrically connected with the main control chip, wherein the motor module comprises a motor, a screw rod assembly connected with the output end of the motor, and an inner tube assembly and an outer tube assembly connected with the screw rod assembly, and the inner tube assembly and the outer tube assembly are obliquely arranged;
And the support component is connected to the inner tube component and the outer tube component and is used as a carrier of the display.
Further, one end of the inner tube component and one end of the outer tube component are connected with the base, and the other end of the inner tube component is inclined along the direction away from the image acquisition component; and an included angle formed by the inner pipe and the outer pipe and the horizontal plane, which is close to the user side, is an obtuse angle.
Compared with the prior art, the utility model at least has the following beneficial effects:
(1) According to the circuit for controlling the lifting of the display, the traditional damping type manual adjusting mode is replaced by the motor adjusting mode, so that the height of the display can be adjusted more accurately by a user, and the display can be adjusted and controlled based on image recognition, so that two hands can be liberated, and the operation difficulty is reduced;
(2) The transmission of regulation and control signals is realized through the touch-press type keys, the height can be adjusted according to actual demands, the touch-press is stopped when the target height is reached, and the adjustment of the display height can be synchronously stopped, so that the accuracy of the height adjustment is further improved.
Drawings
FIG. 1 is a modular schematic diagram of a circuit for display lift control;
FIG. 2 is a circuit schematic of a motor module;
FIG. 3 is a circuit schematic of the case module;
FIG. 4 is an exploded view of a display lifting device;
FIG. 5 is an exploded view of the motor module;
FIG. 6 is a schematic diagram showing a display lifting device in a storage state;
fig. 7 is a schematic structural view of a display lifting device in an unfolded state.
In the figure, 10, a base; 20. a main control chip; 30. an image acquisition component; 31. a sensor; 40. a key module; 50. a motor module; 51. a motor; 52. a screw assembly; 521. a screw rod; 522. a fixed block; 523. a connecting piece; 53. an inner and outer tube assembly; 531. an outer tube; 532. an inner tube; 60. and a support assembly.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
Example 1
In order to facilitate the adjustment of the height of the display by the user, and reduce the difficulty of the height adjustment and improve the accuracy of the height adjustment, as shown in fig. 1 to 7, the utility model provides a circuit for lifting control of the display, which comprises:
The image acquisition component 30 is used for acquiring a user gesture image and user distance information of a preset angle range right in front of the display and transmitting the user gesture image and the user distance information to the main control chip 20;
the main control chip 20 is used for receiving and processing the user gesture image and the user distance information (through an internal vision processor) and sending out a first driving signal or a second driving signal;
The motor module 50 is configured to control the motor driven display to rise in a first driving signal input state and control the motor driven display to fall in a second driving signal input state according to the input driving signal.
The key module 40 includes a first key and a second key, when the key is pressed, a key signal is triggered based on the change of the potential after the key is contacted, a rising key signal is triggered when the first key is pressed, and a falling key signal is triggered when the second key is pressed; the key module 40 may be a touch key module or a mechanical key module, as long as the input of an electric signal can be achieved.
The main control chip also receives information of the key module and controls the action of the motor module according to the received information.
In the utility model, the hands of a user are liberated by the regulation and control mode of the motor 51, and meanwhile, the regulation deficiency caused by the traditional damping type manual regulation is avoided. When adjustment is required, the forward and reverse rotation of the motor 51 is regulated by pressing the corresponding key (up or down). The display is adjusted and controlled in an image recognition mode, so that the hands of a user can be liberated, and the adjustment can be carried out along with the gesture change of the user without the operation of the user.
As shown in fig. 2, the motor module 50 includes first to fourth field effect transistors, and first and second gate driving chips for controlling switching between high and low voltage states at two ends of the common mode inductor by controlling on/off of each field effect transistor, wherein:
when the motor module 50 is in the first driving signal input state, the common mode inductance voltage in the connection direction with the first gate driving chip U2 is greater than the common mode inductance voltage in the connection direction with the second gate driving chip U4;
When the motor module 50 is in the second driving signal input state, the common mode inductance voltage in the connection direction with the first gate driving chip U2 is smaller than the common mode inductance voltage in the connection direction with the second gate driving chip U4.
Further, the first gate driving chip U2 includes first to eighth pins, wherein:
The drain electrode of the first field effect transistor Q1 is connected with the working voltage VCC, the source electrode is connected with the first input end of the common mode inductance L2, the grid electrode is connected with the first input end of the common mode inductance L2 through a fifth resistor R5 and a fourteenth capacitor C14 which are connected in parallel, and the grid electrode is connected with the seventh pin of the first grid electrode driving chip U2 through a third resistor R3;
The drain electrode of the second field effect transistor Q2 is connected with the first input end of the common mode inductor L2, the source electrode is grounded through a twelfth resistor R12, the grid electrode is grounded through a first resistor R1 and a twenty-second capacitor C22 which are connected in parallel, and the grid electrode is connected with the fifth pin of the first grid electrode driving chip U2 through an eighth resistor R8;
The first pin of the first grid driving chip U2 is connected to the working voltage VCC and grounded through a sixth capacitor C6; the second pin and the third pin are respectively connected to a high-level signal PWM1P and a low-level signal PWM1N in the first driving signal of the main control chip 20; the fourth pin is grounded; the eighth pin is connected to the first input terminal of the common-mode inductor L2 together with the sixth pin through an eleventh capacitor C11.
The second gate driving chip U4 includes first to eighth pins, wherein:
The drain electrode of the third field effect transistor Q3 is connected with the working voltage VCC, the source electrode is connected with the second input end of the common mode inductance L2, the grid electrode is connected with the second input end of the common mode inductance L2 through a sixth resistor R6 and a third capacitor C3 which are connected in parallel, and is connected with the seventh pin of the second grid electrode driving chip U4 through a fourth resistor R4; the drain electrode of the fourth field effect transistor Q4 is connected with the second input end of the common mode inductor L2, the source electrode is grounded through a twelfth resistor R12, the grid electrode is grounded through a second resistor R2 and a twenty-fourth capacitor C24 which are connected in parallel, and the grid electrode is connected with the fifth pin of the second grid electrode driving chip U4 through a ninth resistor R9;
The first pin of the second grid driving chip U4 is connected with the working voltage VCC and grounded through a seventh capacitor C7; the second pin and the third pin are respectively connected to a high-level signal PWM2P and a low-level signal PWM2N in a second driving signal of the main control chip 20; the fourth pin is grounded; the eighth pin is connected to the second input terminal of the common-mode inductor L2 together with the sixth pin through the twelfth capacitor C12.
Further, the MOTOR 51MOTOR has a first input terminal and a second input terminal, wherein:
A first input end of the motor 51 is connected with a first output end of the common-mode inductor L2, and a second input end of the motor 51 is connected with a second output end of the common-mode inductor L2; the first input end of the common-mode inductor is connected with the second input end of the common-mode inductor through a forty-third capacitor C43.
In order to further improve the real-time performance and accuracy of the display height adjustment, as shown in fig. 3, in the case module of the present utility model, the key signal recognition is realized through the touch sensing chip U3, which includes a first pin to a tenth pin, wherein:
The first pin is grounded through a second capacitor C2; the second pin is grounded through a fourth capacitor C4; the third pin is connected with the second key DOWN through a fifty-first resistor R51; the fifth pin is connected with the first key UP through a fifty-third resistor R53; the seventh pin outputs a DOWN KEY signal KEY_DOWN; the eighth pin outputs a rising KEY signal KEY_UP; the seventh pin to the ninth pin are connected to the chip voltage VCC_3V3 through fifty-sixth resistor to fifty-fourth resistor (R56-R54) respectively; the tenth pin is grounded while the chip voltage VCC_3V3 is sequentially connected through the fifth capacitor C5 and the fifty-fourth resistor R54.
Of course, the circuit also comprises a power supply module for converting an external power supply into various voltages required by the operation of the circuit. Meanwhile, the circuit also comprises a buzzer which is used for providing voice reminding in the lifting process of the display to remind a user of the operation failure of the product, or the in-place state, or the input error.
In a preferred embodiment, in order to make the height adjustment of the display more intelligent, it is also proposed to process the acquired user gesture image and distance information, and calculate the current real gesture, face and position information of the user by comparing with the standard model pre-established in the interior, so as to obtain the optimal height for adapting the current user to use the display, and adjust the display to the adapted height through the adjustment and control of the motor 51.
Of course, for better control costs, the image acquisition assembly 30 herein contains two implementations, including simultaneous acquisition of user pose images and distance information by a depth camera, and user pose image acquisition by a non-depth camera, and distance information acquisition by the distance sensor 31.
In summary, according to the circuit for lifting control of the display, the traditional damping type manual adjustment mode is replaced by the motor 51 adjustment mode, so that the adjustment of the height of the display by a user can be more accurate, meanwhile, both hands can be liberated, and the operation difficulty is reduced.
The transmission of regulation and control signals is realized through the touch-press type keys, the height can be adjusted according to actual demands, the touch-press is stopped when the target height is reached, and the adjustment of the display height can be synchronously stopped, so that the accuracy of the height adjustment is further improved.
Example two
As shown in fig. 4 to 7, the present utility model further provides a display lifting device, including:
The base 10, and is provided with a main control chip 20, and an image acquisition assembly 30 and a key module 40 which are electrically connected with the main control chip 20 on the base 10, wherein the main control chip 20 is built in the base 10, and the image acquisition assembly 30 comprises a sensor 31 for acquiring a user gesture image and user distance display information;
The motor module 50 is arranged in the base 10, and the motor module 50 is electrically connected with the main control chip 20, wherein the motor module 50 comprises a motor 51, a screw rod assembly 52 connected with the output end of the motor 51, and an inner pipe assembly 53 connected with the screw rod assembly 52, wherein the inner pipe assembly 53 comprises an outer pipe 531 connected with the base 10 and an inner pipe 532 nested and matched with the outer pipe 531, and the relative distance between the outer pipe 531 and the inner pipe 532 is changed through the rotation of the screw rod assembly 52;
The support assembly 60 is connected to the inner tube 532, and the support assembly 60 serves as a carrier for the display, and changes the relative distance between the display and the base 10 by moving the outer tube 531 and the inner tube 532 relative to each other.
It should be noted that, the sensor 31 detects the gesture of the current user when using the display, and the relative distance between the user and the display in real time, and feeds the information back to the main control chip 20, and the main control chip 20 drives the motor module 50 to act, so as to adjust the height of the display.
According to the display lifting device provided by the utility model, the height of the display can be automatically adjusted through the real-time monitoring of the sensor 31, so that the gesture of the current user when the display is used is matched, and the convenience of the user in use is improved.
Further preferably, the screw assembly 52 includes a screw 521, and one end of the screw 521 is connected to the motor 51 through a fixing block 522 and drives the screw 521 to rotate through an output end of the motor 51, wherein a connecting member 523 is screwed to the other end of the screw 521, the connecting member 523 is connected to the inner tube 532, and the connecting member 523 is driven to move along an axial direction of the screw 521 by the rotation of the screw 521, thereby changing a relative distance between the outer tube 531 and the inner tube 532.
It is further preferable that the plane on which the sensor 31 is located on the base 10 is disposed obliquely.
Preferably, the inner and outer tube assemblies 53 are disposed obliquely, and one end of the inner and outer tube assemblies 53 is connected to the base 10, and the other end of the inner and outer tube assemblies 53 is inclined in a direction away from the image capturing assembly 30.
In this embodiment, the inner and outer tube assemblies 53 are disposed in an inclined arrangement to enlarge the relative distance between the display and the user, thereby protecting the eyes of the user.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.
Claims (10)
1. A circuit for display lift control, comprising:
the image acquisition component is used for acquiring a user gesture image and user distance information in a preset angle range right in front of the display and transmitting the user gesture image and the user distance information to the main control chip;
The main control chip is used for receiving and processing the user gesture image and the user distance information and sending out a first driving signal or a second driving signal;
And the motor module is used for controlling the motor to drive the display to rise in a first driving signal input state and controlling the motor to drive the display to fall in a second driving signal input state according to the input driving signals.
2. The circuit for display lift control of claim 1, wherein the circuit for display lift control further comprises:
The key module comprises a first key and a second key, when the key is pressed, a key signal is triggered based on the change of potential after key contact, a rising key signal is triggered when the first key is pressed, and a falling key signal is triggered when the second key is pressed;
The main control chip also receives information of the key module and controls the action of the motor module according to the received information.
3. The circuit for controlling the lifting of a display according to claim 2, wherein the key module comprises a touch sensing chip comprising a first pin to a tenth pin, wherein:
The first pin is grounded through a second capacitor; the second pin is grounded through a fourth capacitor; the third pin is connected with the second key through a fifty-first resistor; the fifth pin is connected with the first key through a fifty-third resistor; the seventh pin outputs a descending key signal; the eighth pin outputs a rising key signal; the seventh pin to the ninth pin are connected to the chip voltage through fifty-sixth resistors to fifty-fourth resistors respectively; the tenth pin is grounded, and meanwhile, the ninth pin is connected to the ground through the fifth capacitor.
4. The circuit for display lifting control of claim 1, wherein the motor module comprises a first field effect transistor to a fourth field effect transistor, a first gate driving chip and a second gate driving chip, wherein the first gate driving chip and the second driving chip control switching of high and low voltage states at two ends of the common mode inductor by controlling on-off of each field effect transistor, and wherein:
When the motor module is in a first driving signal input state, the common mode inductance voltage in the direction connected with the first grid driving chip is larger than the common mode inductance voltage in the direction connected with the second grid driving chip;
When the motor module is in the second driving signal input state, the common mode inductance voltage in the direction connected with the first grid driving chip is smaller than the common mode inductance voltage in the direction connected with the second grid driving chip.
5. The circuit for display lift control of claim 4, wherein the first gate driver chip comprises a first pin through an eighth pin, wherein:
The drain electrode of the first field effect transistor is connected with the working voltage, the source electrode of the first field effect transistor is connected with the first input end of the common mode inductor, the grid electrode of the first field effect transistor is connected with the first input end of the common mode inductor through a fifth resistor and a fourteenth capacitor which are connected in parallel, and the grid electrode of the first field effect transistor is connected with a seventh pin of the first grid electrode driving chip through a third resistor; the drain electrode of the second field effect transistor is connected with the first input end of the common mode inductor, the source electrode is grounded through a twelfth resistor, the grid electrode is grounded through a first resistor and a twenty-second capacitor which are connected in parallel, and the grid electrode is connected with a fifth pin of the first grid electrode driving chip through an eighth resistor;
The first pin of the first grid driving chip is connected with working voltage and grounded through a sixth capacitor; the second pin and the third pin are respectively connected with a high-level signal and a low-level signal in a first driving signal of the main control chip; the fourth pin is grounded; the eighth pin is connected with the first input end of the common mode inductor through an eleventh capacitor and a sixth pin;
the second gate driving chip comprises a first pin to an eighth pin, wherein:
The drain electrode of the third field effect transistor is connected with the working voltage, the source electrode of the third field effect transistor is connected with the second input end of the common mode inductor, the grid electrode of the third field effect transistor is connected with the second input end of the common mode inductor through a sixth resistor and a third capacitor which are connected in parallel, and the grid electrode of the third field effect transistor is connected with a seventh pin of the second grid electrode driving chip through a fourth resistor; the drain electrode of the fourth field effect transistor is connected with the second input end of the common mode inductor, the source electrode is grounded through a twelfth resistor, the grid electrode is grounded through a second resistor and a twenty-fourth capacitor which are connected in parallel, and the grid electrode is connected with a fifth pin of a second grid electrode driving chip through a ninth resistor;
The first pin of the second grid driving chip is connected with working voltage and grounded through a seventh capacitor; the second pin and the third pin are respectively connected with a high-level signal and a low-level signal in a second driving signal of the main control chip; the fourth pin is grounded; the eighth pin is connected with the first input end of the common mode inductor through the twelfth capacitor and the sixth pin.
6. A circuit for display lift control as recited in claim 4 wherein said motor has a first input and a second input, wherein:
The first input end of the motor is connected with the first output end of the common-mode inductor, and the second input end of the motor is connected with the second output end of the common-mode inductor; the first input end of the common-mode inductor is connected with the second input end of the common-mode inductor through a forty-third capacitor.
7. A circuit for display lift control according to claim 1, further comprising a power module for converting an external power supply into a chip voltage and an operating voltage, and/or further comprising a buzzer for providing a voice alert during the display lift.
8. A circuit for display lift control as recited in claim 1 wherein the image acquisition assembly comprises two implementations including simultaneous acquisition of user pose images and distance information by a depth camera and user pose image acquisition by a non-depth camera and distance information acquisition by a distance sensor.
9. A display lifting device using the display lifting control circuit according to any one of claims 1 to 8, comprising:
the base is provided with a main control chip, an image acquisition assembly and a key module which are electrically connected with the main control chip;
The motor module is arranged in the base and is electrically connected with the main control chip, wherein the motor module comprises a motor, a screw rod assembly connected with the output end of the motor, and an inner tube assembly and an outer tube assembly connected with the screw rod assembly, and the inner tube assembly and the outer tube assembly are obliquely arranged;
And the support component is connected to the inner tube component and the outer tube component and is used as a carrier of the display.
10. The display lifting device using the display lifting control circuit according to claim 9, wherein one end of the inner and outer tube assembly is connected to the base, and the other end of the inner and outer tube assembly is inclined in a direction away from the image capturing assembly; and an included angle formed by the inner pipe and the outer pipe and the horizontal plane, which is close to the user side, is an obtuse angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322451931.0U CN221328837U (en) | 2023-09-11 | 2023-09-11 | Circuit for lifting control of display and lifting device of display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322451931.0U CN221328837U (en) | 2023-09-11 | 2023-09-11 | Circuit for lifting control of display and lifting device of display |
Publications (1)
| Publication Number | Publication Date |
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| CN221328837U true CN221328837U (en) | 2024-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322451931.0U Active CN221328837U (en) | 2023-09-11 | 2023-09-11 | Circuit for lifting control of display and lifting device of display |
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| Country | Link |
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| CN (1) | CN221328837U (en) |
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2023
- 2023-09-11 CN CN202322451931.0U patent/CN221328837U/en active Active
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