CN209683586U - Automatic sensing vehicle-mounted bracket - Google Patents
Automatic sensing vehicle-mounted bracket Download PDFInfo
- Publication number
- CN209683586U CN209683586U CN201920299650.9U CN201920299650U CN209683586U CN 209683586 U CN209683586 U CN 209683586U CN 201920299650 U CN201920299650 U CN 201920299650U CN 209683586 U CN209683586 U CN 209683586U
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- circuit
- chip microcontroller
- motor drive
- drive circuit
- chip
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of automatic sensing vehicle-mounted brackets, including rack body, it is located at the clamping limb of rack body two sides, the clamping of driving clamping limb or the motor opened and the control circuit being located in rack body, control circuit includes single-chip microcontroller, radio detection circuit, motor drive circuit, charging circuit, single-chip microcontroller respectively with radio detection circuit, motor drive circuit is connected with charging circuit, radio detection circuit is close for detecting mobile phone, send a signal to single-chip microcontroller, single-chip microcontroller sends a control signal to motor drive circuit, the rotation of motor drive circuit drive motor, clamping limb clamps mobile phone；Charging circuit is that single-chip microcontroller and motor drive circuit are powered, and after charging circuit stops power supply, single-chip microcontroller sends a control signal to motor drive circuit, the rotation of motor drive circuit drive motor, and clamping limb decontrols mobile phone.User is stopped after power-off, and the left and right clamping limb of vehicle-mounted bracket opens automatically, and convenient and prompting user removes mobile phone.
Description
Technical field
The utility model relates to vehicle-mounted brackets, particularly relate to a kind of automatic sensing vehicle-mounted bracket.
Background technique
This product is a kind of vehicle-mounted bracket, is opened by motor control or so clamping limb, closure, for fixing mobile phone.It is existing
Some vehicle-mounted brackets provide control signal by touch screen or key, and the left and right arms of control motor driving arm open, and work as user
After parking power-off, needs user to provide control signal again by touch screen or key, mobile phone could be removed from vehicle-mounted bracket,
It is inconvenient for operation to be sometimes prone to forget to remove mobile phone.
Utility model content
The utility model proposes a kind of automatic sensing vehicle-mounted bracket, user is stopped after power-off, the left and right clamping of vehicle-mounted bracket
Arm opens automatically, facilitates user to remove mobile phone, while playing prompting function, and user is reminded to remove mobile phone from vehicle-mounted bracket.
The technical solution of the utility model is achieved in that
A kind of automatic sensing vehicle-mounted bracket, including rack body, the clamping limb that is located at rack body two sides, the driving folder
Gripping arm clamps or the motor opened and the control circuit that is located in the rack body, the control circuit include single-chip microcontroller,
Radio detection circuit, motor drive circuit, charging circuit, the single-chip microcontroller drive with the radio detection circuit, motor respectively
Circuit is connected with charging circuit, and the radio detection circuit is close for detecting mobile phone, sends a signal to the single-chip microcontroller, described
Single-chip microcontroller sends a control signal to the motor drive circuit, the motor drive circuit drive motor rotation, the clamping limb
Clamp mobile phone；The charging circuit is that the single-chip microcontroller and motor drive circuit are powered, after the charging circuit stops power supply, institute
It states single-chip microcontroller and sends a control signal to the motor drive circuit, the motor drive circuit drive motor rotation, the clamping
Arm decontrols mobile phone.
Preferably, the single-chip microcontroller is wireless charging single-chip microcontroller.
Preferably, the radio detection circuit includes coil and wireless charging circuit, and the coil-induced mobile phone is close, institute
It states wireless charging circuit and generates the PAD_COIL_IN pin that signal is sent to the single-chip microcontroller.
Preferably, the motor drive circuit includes driving chip, and INB, INA pin of driving chip are separately connected monolithic
PWMC_L, PWMC_H pin of machine, OB, OA pin of driving chip are separately connected the positive and negative anodes of motor.
Preferably, the charging circuit includes charging interface, diode D3, diode D4, decompression chip Q1 and energy storage electricity
Hold SC1, the VDD pin of the charging interface and the VIN_LDO pin and diode for being depressured the input terminal of chip Q1, single-chip microcontroller
The cathode of D4 connects, and the anode of diode D4 meets VDD5V；The output end of chip Q1 is depressured through diode D3 connection VDD5V, energy storage
The VCC pin of capacitor SC1 and driving chip.
Preferably, the charging interface is USB interface.
Preferably, the magnet for adsorbing mobile phone is additionally provided in the rack body.
The utility model has the beneficial effects that: user is stopped after power-off, the left and right clamping limb of vehicle-mounted bracket opens automatically,
Facilitate user to remove mobile phone, while playing prompting function, user is reminded to remove mobile phone from vehicle-mounted bracket.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of circuit block diagram of automatic sensing vehicle-mounted bracket one embodiment of the utility model；
Fig. 2 is a kind of circuit diagram of automatic sensing vehicle-mounted bracket one embodiment of the utility model.
In figure, 1- single-chip microcontroller；2- radio detection circuit；3- motor drive circuit；4- charging circuit；5- motor.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As depicted in figs. 1 and 2, it the utility model proposes a kind of automatic sensing vehicle-mounted bracket, including rack body, is located at
Clamping limb, the clamping of driving clamping limb or the motor 5 opened of rack body two sides and the control circuit being located in rack body,
Control circuit includes single-chip microcontroller 1, radio detection circuit 2, motor drive circuit 3, charging circuit 4, and single-chip microcontroller 1 is examined with wireless respectively
Slowdown monitoring circuit 2, motor drive circuit 3 and charging circuit 4 connect, and radio detection circuit 2 is close for detecting mobile phone, send a signal to
Single-chip microcontroller 1, single-chip microcontroller 1 send a control signal to motor drive circuit 3, the rotation of 3 drive motor 5 of motor drive circuit, clamping limb
Clamp mobile phone；Charging circuit 4 is that single-chip microcontroller 1 and motor drive circuit 3 are powered, and after charging circuit 4 stops power supply, single-chip microcontroller 1 is sent out
Send control signal to motor drive circuit 3, the rotation of 3 drive motor 5 of motor drive circuit, clamping limb relieving mobile phone.
Single-chip microcontroller 1 is wireless charging single-chip microcontroller.Radio detection circuit 2 includes coil and wireless charging circuit 4, coil-induced
Mobile phone is close, and wireless charging circuit 4 generates the PAD_COIL_IN pin that signal is sent to single-chip microcontroller 1.Motor drive circuit 3 wraps
Driving chip is included, INB, INA pin of driving chip are separately connected PWMC_L, PWMC_H pin of single-chip microcontroller 1, driving chip
OB, OA pin are separately connected the positive and negative anodes of motor 5.Charging circuit 4 includes charging interface, diode D3, diode D4, decompression core
Piece Q1 and storage capacitor SC1, the VDD pin of charging interface and the VIN_LDO pin for being depressured the input terminal of chip Q1, single-chip microcontroller 1
And the cathode connection of diode D4, the anode of diode D4 meet VDD5V；The output end of decompression chip Q1 is connected through diode D3
The VCC pin of VDD5V, storage capacitor SC1 and driving chip.Charging interface is USB interface.It is additionally provided in rack body for inhaling
The magnet of attached mobile phone.
The working principle of the utility model are as follows: vehicle-mounted bracket has included wireless charging single-chip microcontroller U1 and coil L1, in mobile phone
Containing metal, when mobile phone is close to coil L1, magnetic field changes, and 28 pins of single-chip microcontroller U1 can detecte to a COIL_IN
Signal, then 42 pins, one high level of output of single-chip microcontroller U1 to driving chip U7, driving chip U7 controls motor 5M1 rotation,
Left and right arms open, after mobile phone is put on vehicle-mounted bracket, left and right arms closure.Vehicle is vehicle-mounted bracket power supply by USB interface, is
After system powers on, the VDD pin of USB guarantees motor 5 through decompression chip Q1 output voltage to storage capacitor SC1 and driving chip U7
It works normally, storage capacitor stops charging after being charged to 5V.After parking power-off, storage capacitor SC1 is driving chip U7 and motor 5
Power supply, through diode D4 to 53 pin, one signal of single-chip microcontroller U1, single-chip microcontroller U1 is controlled VDD5V voltage after collecting the signal
42 pins export a high level and control motor 5M1 rotation to chip U7, U7, and left and right arms open, and user is allowed to take out mobile phone.
Vehicle-mounted bracket opens left and right arms automatically after parking, and user is reminded to take the unique point that mobile phone is the technical program, vehicle-mounted bracket away
Provided with touch screen, user can be opened by touch screen control left and right arms, this is the prior art, be repeated no more.Single-chip microcontroller U1
It can be realized wireless charging, the process of detection COIL_IN signal is the prior art.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. a kind of automatic sensing vehicle-mounted bracket, including rack body, the clamping limb that is located at rack body two sides, the driving clamping
Arm clamping or the motor opened and the control circuit being located in the rack body, it is characterised in that: the control circuit packet
Include single-chip microcontroller, radio detection circuit, motor drive circuit, charging circuit, the single-chip microcontroller respectively with the radio detection circuit,
Motor drive circuit is connected with charging circuit, and the radio detection circuit is close for detecting mobile phone, sends a signal to the list
Piece machine, the single-chip microcontroller send a control signal to the motor drive circuit, the motor drive circuit drive motor rotation, institute
It states clamping limb and clamps mobile phone；The charging circuit is that the single-chip microcontroller and motor drive circuit are powered, and the charging circuit stops
After power supply, the single-chip microcontroller sends a control signal to the motor drive circuit, and the motor drive circuit drive motor rotates,
The clamping limb decontrols mobile phone.
2. automatic sensing vehicle-mounted bracket according to claim 1, it is characterised in that: the single-chip microcontroller is wireless charging monolithic
Machine.
3. automatic sensing vehicle-mounted bracket according to claim 2, it is characterised in that: the radio detection circuit includes coil
And wireless charging circuit, the coil-induced mobile phone is close, and the wireless charging circuit generates signal and is sent to the single-chip microcontroller
PAD_COIL_IN pin.
4. automatic sensing vehicle-mounted bracket according to claim 1, it is characterised in that: the motor drive circuit includes driving
INB, INA pin of chip, driving chip are separately connected PWMC_L, PWMC_H pin of single-chip microcontroller, and OB, OA of driving chip draw
Foot is separately connected the positive and negative anodes of motor.
5. automatic sensing vehicle-mounted bracket according to claim 4, it is characterised in that: the charging circuit includes charging
Mouth, diode D3, diode D4, decompression chip Q1 and storage capacitor SC1, the VDD pin and decompression chip of the charging interface
The cathode of the input terminal of Q1, the VIN_LDO pin of single-chip microcontroller and diode D4 connects, and the anode of diode D4 meets VDD5V；Drop
Press VCC pin of the output end through diode D3 connection VDD5V, storage capacitor SC1 and driving chip of chip Q1.
6. automatic sensing vehicle-mounted bracket according to claim 5, it is characterised in that: the charging interface is USB interface.
7. automatic sensing vehicle-mounted bracket according to claim 1, it is characterised in that: be additionally provided with and be used in the rack body
Adsorb the magnet of mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920299650.9U CN209683586U (en) | 2019-03-11 | 2019-03-11 | Automatic sensing vehicle-mounted bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920299650.9U CN209683586U (en) | 2019-03-11 | 2019-03-11 | Automatic sensing vehicle-mounted bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209683586U true CN209683586U (en) | 2019-11-26 |
Family
ID=68604331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920299650.9U Active CN209683586U (en) | 2019-03-11 | 2019-03-11 | Automatic sensing vehicle-mounted bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209683586U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021081766A1 (en) * | 2019-10-29 | 2021-05-06 | 深圳市华勤创展科技有限公司 | Holder control method and holder |
-
2019
- 2019-03-11 CN CN201920299650.9U patent/CN209683586U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021081766A1 (en) * | 2019-10-29 | 2021-05-06 | 深圳市华勤创展科技有限公司 | Holder control method and holder |
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