CN209710141U - A kind of Mobile device clamping device and its control circuit - Google Patents
A kind of Mobile device clamping device and its control circuit Download PDFInfo
- Publication number
- CN209710141U CN209710141U CN201920397170.6U CN201920397170U CN209710141U CN 209710141 U CN209710141 U CN 209710141U CN 201920397170 U CN201920397170 U CN 201920397170U CN 209710141 U CN209710141 U CN 209710141U
- Authority
- CN
- China
- Prior art keywords
- chip
- mobile device
- connect
- component
- difference amplifier
- Prior art date
- 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.)
- Expired - Fee Related
Links
Landscapes
- Toys (AREA)
Abstract
The utility model discloses a kind of Mobile device clamping device, which includes pedestal, horizontal clamping component and longitudinal backing component, and horizontal clamping component and longitudinal equal telescopic connection of backing component are on pedestal；When external mobile device is put into, lateral clamp assemblies or so clamp the mobile device, and backing component holds mobile device upwards, and horizontal clamping component and longitudinal backing component are enclosed the space for clamping mobile device.Clamping device is provided with horizontal clamping component and longitudinal backing component, it is enclosed and consolidates firm clamping space, guarantee to clamp external mobile device, and further, cooperate the mechanical hardware equipment setting of clamping device, the utility model additionally provides control circuit, and mechanical hardware equipment can realize intelligent clamping under the control of the control circuit and loosen, and promotes user experience.
Description
Technical field
The utility model belongs to mobile device accessories manufacturing field, in particular to a kind of for clamping the device of mobile device
And its control circuit.
Background technique
Electronic technology development so far, played the part of further important, further polynary in people's daily life by mobile device
Role.People often need movement to be fixed on a certain position, keep it with a certain specific angle during driving, movement, amusement
Degree realizes human-computer interaction towards user with this.Therefore in many instances, people need suitable and conveniently clamping device to use
To clamp mobile device.
On existing mobile device component market, there are many accessories for being used for angle square mobile electronic device, such as in patent Shen
It please be number to disclose a kind of handset bracket in the patent application document of " 201521800527.3 ", solution, which is settled, to pass through branch
After frame ontology regulates the height of equipment binder, being freely rotated for equipment binder cannot achieve, so that being difficult to meet use
The problem of actual demand of personnel, its key points of the technical solution are that: it further include after being fixedly connected on equipment binder including equipment binder
The connecting rod at end, the bulb for being fixedly connected on connecting rod install installation shell, damping sleeve into for bulb, and, connecting rod,
It is installed on the limit sleeve connecting in mounting shell body and with link detachable；The installation shell includes upper housing and lower case, hand
Machine support further include be threadedly connected to upper housing and lower case simultaneously with change the chucking power between upper housing and lower case to
Adjust the tie down screw that damping is placed on damping force on bulb.Although the handset bracket that the utility model provides solves mobile device
Clamping problem, but when applying in real life, since its structure setting is special, often stress is larger at tie down screw,
In manufacturing process, to overall structure, especially to joint manufacture intensity requirement will be particularly stringent, manufacturing cost will improve.And
When in the specific use process, such as by equipment to clamp greater weight mobile phone, frayed, entirety will be easy at tie down screw
Handset bracket is difficult to realize longer service life.
With the development of manufacturing technology, the manufacture of the bracket of mobile device is also towards intelligence, reliabilization and simplification
Direction is developed.A kind of Infrared Hand-Held formula chance is disclosed in the patent application document that number of patent application is " 201620454247.5 "
Hinder detent, hand under alarm mobile phone bracket, including handset bracket support plate, handset bracket hand-held part, alarm assemblies, hand-held bracket
Hold detent on formula bracket, the right detent of hand-held bracket, the left detent of hand-held bracket, handset bracket left side infrared diode, mobile phone
Infrared diode, handset bracket top IR diode, handset bracket left side photodiode, handset bracket right side on the right side of bracket
Photodiode at the top of photodiode and handset bracket., when encountering left and right or front obstacle, integrated monolithic machine passes through for it
Infrared emission drive circuit drives the infrared diode of emitting head to issue infrared light, returns when infrared light encounters barrier back reflection
Come, reflects infrared light and received by the photodiode of infrared receiver driving circuit driving infrared receiving terminal, it is available
The distance between barrier and cellie with image or/and pass through hand in mobile phone screen when the distance is less than alarm distance
Machine loudspeaker audibly alert, effectively to avoid due to viewing mobile phone caused by various accidents generation.So
And the utility model there are detent is insecure, can not clamp mobile phone, user is difficult in the environment of shaking when specifically used
(such as in driving conditions) use the bracket, and user experience is lower.
And it is disclosed in the patent application document that number of patent application is " 201820816763.7 " a kind of rotary elastic
Clip handset bracket, including handset bracket pedestal, the lower end of the handset bracket pedestal are provided with Mobile phone holders, the mobile phone branch
The side of frame pedestal is provided with handset bracket telescopic arm, and the handset bracket telescopic arm and handset bracket pedestal pass through sliding slot and torsion
Spring is slidably connected, and fixture nut, the fixture nut and handset bracket base are provided on rear side of the handset bracket pedestal
Seat carries out screwing connection by screw thread；The handset bracket that the utility model provides stretches in use, bracket can be clamped in for collection
After in arm, it is clamped in collecting at vehicle air conditioning outlet by stand base, all pinching actions are by mechanical structure
It realizes, intelligent lower, user is inconvenient to use.
Summary of the invention
To solve the above problems, the purpose of this utility model is to provide a kind of achievable automatic sensing mobile devices, such as
Mobile device is opened automatically close to then bracket and the bracket of apparatus for fastening, which stablizes, and clamping mobile device is firm, can
Facilitate for mobile device to be fixed on and need on fixed position.
Another of the utility model is designed to provide a kind of intelligent-induction and controls the circuit of stent clamping mobile phone, should
Circuit uses modular mentality of designing, and degree of integration is high, and it is convenient to build, fast response time, and performance is stablized.
To achieve the above object, the technical solution of the utility model is as follows:
The utility model provides a kind of Mobile device clamping device, which includes pedestal, horizontal clamping component and indulge
To backing component, horizontal clamping component and longitudinal equal telescopic connection of backing component are on pedestal；External mobile device is put into
When, lateral clamp assemblies or so clamp the mobile device, and backing component holds mobile device, horizontal clamping component and longitudinal direction upwards
Backing component is enclosed the space for clamping mobile device.
Horizontal clamping component and longitudinal backing component are installed on pedestal, and horizontal clamping component and longitudinal backing component
Equal telescopic connection on pedestal, external mobile device close to when, the elongation of horizontal clamping component is opened, and user is by mobile device
It is put into, horizontal clamping component is shunk again with longitudinal backing component, clamps external mobile device, it is kept to be clamped securely to bottom
It will not be loosened on seat.
The device further includes having intelligent control PCBA, and intelligent control PCBA is fixed on the base.The utility model will also mention
For the control circuit of the clamping device, when manufacture, control circuit will be printed on intelligent control by plate printed circuit technique
On the substrate of PCBA, intelligent control PCBA will realize the control between bracket difference component by circuit.
The device further includes having intelligent charge component, and intelligent charge component is electrically connected with intelligent control PCBA；Intelligent charge
Component includes Wireless charging coil and battery, and battery is fixed on PCBA, and Wireless charging coil is fixed on the base.This
Clamping device can realize wireless charging using intelligent charge component, charge convenient rapid, largely promote user and use
Likability.
The device further includes having inductive component, and inductive component includes infrared inductor, touch screen and button, infrared induction
Device is fixed on pedestal, and infrared inductor facing external mobile device be put into direction, protrude from base upper surface and set
It sets；Touch screen is fixed at pedestal and is put on the surface in direction towards mobile phone, and the touch screen and intelligent control PCBA electricity
Connection；Button is fixed on pedestal, and infrared inductor is electrically connected with intelligent control PCBA with button.It is practical new using this
When the clamping device that type provides, the infrared sensor being arranged on device can detect the infrared signal of human body in a certain range,
And then control horizontal clamping component and open, after mobile device is put by user, horizontal clamping component clamps securely clamping movement and sets
It is standby, and further, touch screen and key are set, also facilitate user by touching or pressing the button release or clamp external mobile
The function of equipment.
The device further includes having driving assembly, and driving assembly is fixed on the base, and the input terminal and intelligence of driving assembly
PCBA electrical connection is controlled, the output end of driving assembly is connect with horizontal clamping Component driver respectively.
Driving assembly further includes having driving motor and train, and driving motor is fixed on the base, and driving motor with
Intelligent control PCBA electrical connection, the motor output shaft of driving motor and one end of train connect, the other end of train
It is sequentially connected with horizontal clamping component.
The utility model also provides a kind of control circuit of the Mobile device clamping device of Mobile device clamping device, the electricity
Road includes power circuit, sensor circuit, governor circuit, charging circuit and driving circuit, sensor circuit, charging circuit and driving
Circuit is connect with governor circuit, and power circuit is connect with driving circuit and charging circuit respectively；It include power supply in power circuit
Conversion chip, the concrete model of power conversion chip are as follows: STI3470 includes main control chip in governor circuit, main control chip
Concrete model are as follows: STM8S003.
It include infrared induction unit, touch sensing unit and key induced unit in sensor circuit；Infrared induction unit
It include that infrared integrated receives head, infrared integrated receives head and connect with main control chip；Touch sensing unit includes touch sensible
The concrete model of chip, touch sensible chip is RH6016, and touch sensible chip is connect with main control chip；Key induced module packet
Key and key induced chip are included, key is connect with key induced chip, and key induced chip is connect with main control chip.
Charging circuit includes charhing unit and differential amplification unit, and charhing unit is connect with main control chip, differential amplification
Unit is connect with charhing unit；
Charhing unit includes charging driving chip and integrated metal-oxide-semiconductor chip, and the concrete model for the driving chip that charges is will
FD2405, charging driving chip are connect with main control chip, and integrated metal-oxide-semiconductor chip is connect with charging driving chip, integrate metal-oxide-semiconductor core
The concrete model of piece are as follows: VS3640；
Differential amplification unit includes the first difference amplifier, the second difference amplifier, third difference amplifier and the 4th
Difference amplifier, the non-inverting input terminal of the first difference amplifier are connect with integrated metal-oxide-semiconductor chip, the reverse phase of the first difference amplifier
Input terminal is connect with by output end；The non-inverting input terminal of second difference amplifier is connect with the output end of the first difference amplifier,
The inverting input terminal of second difference amplifier is also connect with the output end of the first difference amplifier, the output of the second difference amplifier
End is connect with the non-inverting input terminal of the second difference amplifier, and the output end of the second difference amplifier is also connected with main control chip；Third
The non-inverting input terminal of difference amplifier is connect with integrated metal-oxide-semiconductor chip, the reverse inter-input-ing ending grounding of third difference amplifier, third
The output end of difference amplifier is connect with inverting input terminal, and the output end of third difference amplifier is also connect with main control chip；The
The non-inverting input terminal of four difference amplifiers is connect with the output end of third difference amplifier, the anti-phase input of the 4th difference amplifier
End is also connect with the output end of third difference amplifier, and the output end of the 4th difference amplifier is connect with main control chip.
Driving circuit includes push-button unit and motor drive unit, push-button unit and motor drive unit；Push-button unit
Main control chip connection, the input terminal of motor drive unit are connect with push-button unit, the output end of motor drive unit and external horse
Up to connection；
Push-button unit include key with by key connection chip, by the concrete model of key connection chip are as follows: JX9014, key
It is connect with by key connection chip；Motor drive unit includes motor driving chip, the concrete model of motor driving chip are as follows:
MX615B, motor driving chip with by key connection chip connect, motor driving chip also draw external motors positive contact M+ with
External motors negative contacts M-.
The advantage of the utility model is: compared with the prior art, in the utility model, clamping device is provided with cross
To clamping component and longitudinal backing component, it is enclosed and consolidates firm clamping space, guarantee clamping external mobile device, and into
One step, cooperate the mechanical hardware equipment of clamping device to be arranged, the utility model additionally provides control circuit, mechanical hardware equipment
Intelligent clamping can be realized under the control of the control circuit and is loosened, and user experience is promoted.
Detailed description of the invention
Fig. 1 is the overall structure diagram for the Mobile device clamping device that the utility model is realized.
Fig. 2 is the explosive view for the Mobile device clamping device that the utility model is realized.
Fig. 3 is the overall circuit schematic diagram of the control circuit for the Mobile device clamping device that the utility model is realized.
Fig. 4 is the schematic diagram of governor circuit in the control circuit for the Mobile device clamping device that the utility model is realized.
Fig. 5 is the schematic diagram of power circuit in the control circuit for the Mobile device clamping device that the utility model is realized.
Fig. 6 is the schematic diagram of sensor circuit in the control circuit for the Mobile device clamping device that the utility model is realized.
Fig. 7 is the schematic diagram of charging circuit in the control circuit for the Mobile device clamping device that the utility model is realized.
Fig. 8 is the schematic diagram of driving circuit in the control circuit for the Mobile device clamping device that the utility model is realized.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
To achieve the above object, the technical solution of the utility model is as follows:
Referring to shown in Fig. 1-2, the utility model provides a kind of Mobile device clamping device, which includes bottom 1, transverse direction
Clamping component 2 and longitudinal backing component 3, horizontal clamping component 2 and the equal telescopic connection of longitudinal backing component 3 are on pedestal 1；
When external mobile device is put into, lateral clamp assemblies 2 or so clamp the mobile device, and backing component 3 holds mobile device upwards,
Horizontal clamping component 2 and longitudinal backing component 3 are enclosed the space for clamping mobile device.
Horizontal clamping component 2 and longitudinal backing component 3 are installed on pedestal 1, and horizontal clamping component 2 and longitudinal backing
The equal telescopic connection of component 3 on pedestal 1, external mobile device close to when, horizontal clamping component 2 elongation open, user will
Mobile device is put into, and horizontal clamping component 2 is shunk again with longitudinal backing component 3, is clamped external mobile device, is kept it firm
Ground, which is fixed on the base, to be loosened.
The device further includes having intelligent control PCBA4, and intelligent control PCBA4 is fixed on pedestal 1.The utility model will also
There is provided the control circuit of the clamping device, when manufacture, control circuit will be printed on intelligent control by plate printed circuit technique
On the substrate of PCBA1, intelligent control PCBA1 will realize the control between bracket difference component by circuit.
The device further includes having intelligent charge component 5, and intelligent charge component 5 is electrically connected with intelligent control PCBA4；Intelligence is filled
Electrical component 5 includes Wireless charging coil 51 and battery (not shown), and battery is fixed on PCBA4, Wireless charging coil
51 are fixed on pedestal 1.This clamping device can realize wireless charging using intelligent charge component, charge convenient rapid, greatly
User is promoted in degree uses likability.
The device further includes having inductive component 6, inductive component 6 include infrared inductor (not shown), touch screen 61 with
Button 62, infrared inductor are fixed on pedestal 1, and the direction, prominent that infrared inductor facing external mobile device is put into
It is arranged for 1 upper surface of pedestal；Touch screen 61 is fixed at pedestal 1 and is put on the surface in direction towards mobile phone, and the touching
Screen 61 is touched to be electrically connected with intelligent control PCBA4；Button 62 is fixed on pedestal 1, infrared inductor, touch screen 61 and button
62 are electrically connected with intelligent control PCBA4.When using clamping device provided by the utility model, the infrared sensing that is arranged on device
Device can detect the infrared signal of human body in a certain range, and then control horizontal clamping component 2 and open, and user is by mobile device
After being put into, horizontal clamping component 2 clamps securely clamping mobile device, and further, setting touch screen 61 and key 62 are also square
Just user is by touching or pressing the button release or clamp the function of external mobile device.
The device further includes having driving assembly 7, and driving assembly 7 is fixed on pedestal 1, and the input terminal of driving assembly 7 with
Intelligent control PCBA electrical connection, the output end of driving assembly 7 are drivingly connected with horizontal clamping component 2 respectively.
Driving assembly 7 further includes having driving motor 71 and train (not shown), and driving motor 71 is fixed on pedestal 1
On, and driving motor 71 is electrically connected with intelligent control PCBA4, the motor output shaft of driving motor 71 and one end of train connect
It connects, the other end and horizontal clamping component of train are sequentially connected.
Fig. 3-8 is please referred to, the utility model also provides a kind of Mobile device clamping device of Mobile device clamping device
Control circuit, the circuit include power circuit, sensor circuit, governor circuit, charging circuit and driving circuit, sensor circuit,
Charging circuit is connect with governor circuit with driving circuit, and power circuit is connect with driving circuit and charging circuit respectively；Power supply
It include power conversion chip, the concrete model of power conversion chip U1 in circuit are as follows: STI3470 includes master in governor circuit
Control chip U10, the concrete model of main control chip U10 are as follows: STM8S003.
It include infrared induction unit, touch sensing unit and key induced unit in sensor circuit；Infrared induction unit
It include that infrared integrated receives head U5, infrared integrated receives head U5 and connect with main control chip U10；Touch sensing unit includes touching
Induction chip U4 is touched, the concrete model of touch sensible chip U4 is RH6016, touch sensible chip U4 and main control chip U10 company
It connects；Key induced module includes key KEY and key induced chip U3, and key KEY is connect with key induced chip U3, key
Induction chip U3 is connect with main control chip U10.
Charging circuit includes charhing unit and differential amplification unit, and charhing unit is connect with main control chip U10, and difference is put
Big unit is connect with charhing unit；
Charhing unit includes charging driving chip U8/U9 and integrated metal-oxide-semiconductor chip Q1/Q2, and charge driving chip U8/U9
Concrete model be by FD2405, the driving chip U8/U9 that charges connect with main control chip U10, integrated metal-oxide-semiconductor chip Q1/Q2 and
Charging driving chip U8/U9 connection, integrates the concrete model of metal-oxide-semiconductor chip Q1/Q2 are as follows: VS3640；
Differential amplification unit includes the first difference amplifier U11B, the second difference amplifier U11A, third differential amplification
Device U11C and the 4th difference amplifier U11D, the non-inverting input terminal of the first difference amplifier U11A are connect with integrated metal-oxide-semiconductor chip,
The inverting input terminal of first difference amplifier U11A is connect with by output end；The non-inverting input terminal of second difference amplifier U11B with
The output end of first difference amplifier U11A connects, the inverting input terminal of the second difference amplifier U11B also with the first differential amplification
The output end of device U11A connects, the non-inverting input terminal of the output end of the second difference amplifier U11B and the second difference amplifier U11B
Connection, the output end of the second difference amplifier U11B are also connected with main control chip；The non-inverting input terminal of third difference amplifier U11C
It is connect with integrated metal-oxide-semiconductor chip Q1/Q2, the reverse inter-input-ing ending grounding of third difference amplifier U11C, third difference amplifier
The output end of U11C is connect with inverting input terminal, and the output end of third difference amplifier U11C is also connect with main control chip U10；The
The non-inverting input terminal of four difference amplifier U11D is connect with the output end of third difference amplifier U11C, the 4th difference amplifier
The inverting input terminal of U11D is also connect with the output end of third difference amplifier U11C, the output end of the 4th difference amplifier U11D
It is connect with main control chip U10.
Driving circuit includes push-button unit and motor drive unit, push-button unit and motor drive unit；Push-button unit
Main control chip U10 connection, the input terminal of motor drive unit are connect with push-button unit, the output end of motor drive unit and outside
Motor connection；
Push-button unit include key KEY with by key connection chip U3, by the concrete model of key connection chip U3 are as follows:
JX9014, key KEY are connect with by key connection chip U3；Motor drive unit includes motor driving chip U7, motor driving
The concrete model of chip U7 are as follows: MX615B, motor driving chip U7 are connect with by key connection chip U3, and motor driving chip U7 is also
Draw external motors positive contact M+ and external motors negative contacts M-.
In this embodiment, sense that human body is pressed close to clamping device or user when infrared integrated receives head
When key or user touch touch screen, corresponding infrared integrated receives head or key connection unit or touch sensing unit is said
Induction rapidly, and inductive signal is sent in main control chip, main control chip issues control signal, and control motor driving chip drives
Dynamic external motors, external motors rotation transfer a driving force to lateral clamp assemblies by train, lateral clamp assemblies by
Driving force is opened, and is maintained at certain time in deployed position, and mobile device is put by user, is resisted against longitudinal backing component
On, longitudinal backing component prevents mobile device from gliding, and after equipment is put into, motor is rotated backward, and lateral clamp assemblies are tightened, and protects
Card securely clamps mobile device, its shaking is avoided to loosen.
The advantage of the utility model is: compared with the prior art, in the utility model, clamping device is provided with cross
To clamping component and longitudinal backing component, it is enclosed and consolidates firm clamping space, guarantee clamping external mobile device, and into
One step, cooperate the mechanical hardware equipment of clamping device to be arranged, the utility model additionally provides control circuit, mechanical hardware equipment
Intelligent clamping can be realized under the control of the control circuit and is loosened, and user experience is promoted.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (10)
1. a kind of Mobile device clamping device, which is characterized in that the device includes pedestal, horizontal clamping component and longitudinal backing
Component, the horizontal clamping component and longitudinal equal telescopic connection of backing component are on pedestal；When external mobile device is put into,
Described horizontal clamping component or so clamps the mobile device, and the backing component holds mobile device, the horizontal clamping upwards
Component and longitudinal backing component are enclosed the space for clamping mobile device.
2. Mobile device clamping device as described in claim 1, which is characterized in that the device further includes having intelligent control
PCBA, the intelligent control PCBA are fixed on the base.
3. Mobile device clamping device as claimed in claim 2, which is characterized in that the device further includes having intelligent charge group
Part, the intelligent charge component are electrically connected with intelligent control PCBA；The intelligent charge component include Wireless charging coil with
Battery, the battery are fixed on PCBA, and the Wireless charging coil is fixed on the base.
4. Mobile device clamping device as claimed in claim 3, which is characterized in that the device further includes having inductive component, institute
Stating inductive component includes infrared inductor, touch screen and button, and the infrared inductor is fixed on pedestal, and described
Direction that infrared inductor facing external mobile device is put into protrudes from base upper surface setting；The touch screen fixed setting
On the surface that pedestal is put into direction towards mobile phone, and the touch screen is electrically connected with intelligent control PCBA；The button is fixed
It is set on the base, the infrared inductor is electrically connected with intelligent control PCBA with button.
5. Mobile device clamping device as claimed in claim 4, which is characterized in that the device further includes having driving assembly, institute
It states driving assembly to be fixed on the base, and the input terminal of the driving component is electrically connected with intelligent control PCBA, the driving group
The output end of part is connect with horizontal clamping Component driver respectively.
6. Mobile device clamping device as claimed in claim 5, which is characterized in that the driving component further includes having driving electricity
Machine and train, the driving motor are fixed on the base, and the driving motor is electrically connected with intelligent control PCBA, described
The motor output shaft of driving motor and one end of train connect, and the other end and horizontal clamping component of the train pass
Dynamic connection.
7. a kind of control electricity of Mobile device clamping device of the Mobile device clamping device based on any one of claim 1-6
Road, which is characterized in that the circuit includes power circuit, sensor circuit, governor circuit, charging circuit and driving circuit, described
Sensor circuit, charging circuit and driving circuit are connect with governor circuit, the power circuit respectively with driving circuit and charging
Circuit connection；It include power conversion chip, the concrete model of the power conversion chip in the power circuit are as follows: STI3470,
It include main control chip in the governor circuit, the concrete model of the main control chip are as follows: STM8S003.
8. the control circuit of Mobile device clamping device as claimed in claim 7, which is characterized in that wrapped in the sensor circuit
Infrared induction unit, touch sensing unit and key induced unit are included；The infrared induction unit includes that infrared integrated connects
Head is received, the infrared integrated receives head and connect with main control chip；The touch sensing unit includes touch sensible chip, described
The concrete model of touch sensible chip is RH6016, and the touch sensible chip is connect with main control chip；The key induced mould
Block includes key and key induced chip, and the key is connect with key induced chip, the key induced chip and master control
Chip connection.
9. the control circuit of Mobile device clamping device as claimed in claim 7, which is characterized in that the charging circuit includes
There are charhing unit and differential amplification unit, the charhing unit is connect with main control chip, and the differential amplification unit and charging are single
Member connection；
The charhing unit includes charging driving chip and integrated metal-oxide-semiconductor chip, the concrete model of the charging driving chip
For by FD2405, the charging driving chip is connect with main control chip, the integrated metal-oxide-semiconductor chip and charging driving chip connect
It connects, the concrete model of the integrated metal-oxide-semiconductor chip are as follows: VS3640；
The differential amplification unit includes the first difference amplifier, the second difference amplifier, third difference amplifier and the 4th
Difference amplifier, the non-inverting input terminal of first difference amplifier are connect with integrated metal-oxide-semiconductor chip, first differential amplification
The inverting input terminal of device is connect with by output end；The non-inverting input terminal of second difference amplifier and the first difference amplifier
Output end connection, the inverting input terminal of second difference amplifier is also connect with the output end of the first difference amplifier, described
The output end of second difference amplifier is connect with the non-inverting input terminal of the second difference amplifier, second difference amplifier it is defeated
Outlet is also connected with main control chip；The non-inverting input terminal of the third difference amplifier is connect with integrated metal-oxide-semiconductor chip, the third
The output end of the reverse inter-input-ing ending grounding of difference amplifier, the third difference amplifier is connect with inverting input terminal, and described
The output end of three difference amplifiers is also connect with main control chip；The non-inverting input terminal and third difference of 4th difference amplifier
The output end of amplifier connects, and the inverting input terminal of the 4th difference amplifier also connects with the output end of third difference amplifier
It connects, the output end of the 4th difference amplifier is connect with main control chip.
10. the control circuit of Mobile device clamping device as claimed in claim 7, which is characterized in that the driving circuit packet
Push-button unit and motor drive unit, the push-button unit and motor drive unit are included；The push-button unit main control chip connects
It connects, the input terminal of the motor drive unit is connect with push-button unit, the output end and external motors of the motor drive unit
Connection；
The push-button unit include key with by key connection chip, the concrete model by key connection chip are as follows: JX9014,
The key is connect with by key connection chip；The motor drive unit includes motor driving chip, and the motor drives core
The concrete model of piece are as follows: MX615B, the motor driving chip are connect with by key connection chip, and the motor driving chip also draws
External motors positive contact M+ and external motors negative contacts M- out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920397170.6U CN209710141U (en) | 2019-03-26 | 2019-03-26 | A kind of Mobile device clamping device and its control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920397170.6U CN209710141U (en) | 2019-03-26 | 2019-03-26 | A kind of Mobile device clamping device and its control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209710141U true CN209710141U (en) | 2019-11-29 |
Family
ID=68645752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920397170.6U Expired - Fee Related CN209710141U (en) | 2019-03-26 | 2019-03-26 | A kind of Mobile device clamping device and its control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209710141U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623826A (en) * | 2020-06-05 | 2020-09-04 | 温州科技职业学院 | A hand-held type monitor for farming environmental monitoring |
-
2019
- 2019-03-26 CN CN201920397170.6U patent/CN209710141U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623826A (en) * | 2020-06-05 | 2020-09-04 | 温州科技职业学院 | A hand-held type monitor for farming environmental monitoring |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106764289B (en) | Electric clamping support and control system and control method thereof | |
| CN200956228Y (en) | Bus waiting pavilion intelligent display stop board | |
| CN209710141U (en) | A kind of Mobile device clamping device and its control circuit | |
| CN208190308U (en) | A kind of wireless charging bracket | |
| CN208630493U (en) | A kind of vehicle-mounted bracket clamped automatically | |
| CN210327111U (en) | Wireless charging seat with fixed function | |
| CN204687998U (en) | A kind of Vehicular video collecting device | |
| CN209402565U (en) | A kind of automatic sensing bracket | |
| CN213243649U (en) | Household multifunctional wireless charger | |
| CN211211929U (en) | Multimedia platform of integral type seat | |
| CN115067699A (en) | Intelligent folding chair armrest computer | |
| CN107606568A (en) | A kind of intelligent voice prompt street lamp | |
| CN208204465U (en) | A kind of digital product stand | |
| CN217388251U (en) | Solar vehicle-mounted mobile power supply with security system | |
| CN208842341U (en) | Adjustable mobile phone support | |
| CN205620553U (en) | Infrared hand -held type meets barrier alarm mobile phone support | |
| CN204795207U (en) | Take multifunctional mobile phone frame of fan | |
| CN220271261U (en) | Portable air quality detection device | |
| CN217723028U (en) | Intelligent folding chair armrest computer | |
| CN219287576U (en) | Mobile phone charging support for electric furniture | |
| CN213365577U (en) | Wireless bicycle recorder based on internet of things | |
| CN217545689U (en) | Novel charging device | |
| CN205351179U (en) | Solar charging treasure desk lamp | |
| CN215265086U (en) | Whistling monitoring device for road | |
| CN217464164U (en) | Charging desk lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191129 Termination date: 20200326 |