CN209320851U - The control circuit and vehicle-mounted bracket of vehicle-mounted bracket - Google Patents
The control circuit and vehicle-mounted bracket of vehicle-mounted bracket Download PDFInfo
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- CN209320851U CN209320851U CN201821390702.5U CN201821390702U CN209320851U CN 209320851 U CN209320851 U CN 209320851U CN 201821390702 U CN201821390702 U CN 201821390702U CN 209320851 U CN209320851 U CN 209320851U
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Abstract
The utility model relates to a kind of control circuits of vehicle-mounted bracket comprising control module, detection module and motor drive module, the motor drive module and clamping piece are mechanically connected and clamping piece can be driven to realize the clamping to electronic equipment.The utility model further relates to a kind of vehicle-mounted bracket comprising the control circuit of clamping piece and vehicle-mounted bracket as described above, the control circuit of the vehicle-mounted bracket are used to drive the clamping piece of vehicle-mounted bracket to clamp electronic equipment or release the clamping to electronic equipment.The control circuit and vehicle-mounted bracket of the vehicle-mounted bracket of the utility model are conducive to reduce the damage of vehicle-mounted bracket or electronic equipment in clamping.
Description
[technical field]
The utility model relates to electronic equipment accessories field, in particular to a kind of vehicle-mounted bracket.
[background technique]
With the development of the electronic equipments such as smart phone, people's lives increasingly be unable to do without the auxiliary of mobile phone, even
Startup procedure, it is also desirable to which mobile phone provides navigation, plays the functions such as music.
For the ease of placement of the mobile phone in vehicle, manipulation, viewing in the case where not influencing to drive in vehicle also for people
Mobile phone, then people's just utility model vehicle-mounted bracket.Mobile phone is gripped by vehicle-mounted bracket to be convenient for the operation of people.
Most of vehicle-mounted bracket can clamp mobile phone automatically at present, but the tightness clamped automatically needs user to go
Judgement, sometimes because of the tension that error in judgement causes mobile phone to be pressed from both sides, causes mobile phone/vehicle-mounted bracket by certain damage.
Therefore, how to overcome vehicle-mounted bracket clamp automatically in " not intelligence ", the problem of leading to mobile phone/vehicle-mounted bracket damage,
Become the emphasis to need to solve at present.
[utility model content]
For overcome current vehicle-mounted bracket clamp automatically in " not intelligence " the technical issues of, the utility model provides a kind of vehicle
Carry the control circuit and vehicle-mounted bracket of bracket.
The scheme that the utility model solves technical problem is to provide a kind of control circuit of vehicle-mounted bracket comprising control mould
Block, detection module, comparison module and motor drive module, the motor drive module and clamping piece are mechanically connected and can drive folder
Gripping member realizes the clamping to electronic equipment, and detection module is used to detect the driving signal in motor drive module, vehicle-mounted bracket
Threshold signal is provided in control circuit, the comparison module is used to threshold signal driving signal is compared operation
Comparison signal is generated, control module is controlled motor drive module according to comparison signal and continues that clamping piece is driven to be set with complete paired electrons
Standby clamping stops driving clamping piece movement.
Preferably, the comparison module is built in control module, the driving signal that the detection module detects
The control module is sent, the driving that the comparison module in the control module detects the detection module is believed
It number is compared with the threshold signal and generates the comparison signal.
Preferably, the control circuit of the vehicle-mounted bracket further comprises comparison module, and the comparison module is connected to inspection
It surveys between module and control module, the comparison module includes a comparator, and the comparator is for completing the driving signal
With the comparison operation of the threshold signal.
Preferably, the motor drive module includes a motor, and the motor and clamping piece are mechanically connected and can drive folder
Gripping member realizes clamping to electronic equipment, the driving signal be motor driving current or with the associated telecommunications of driving current
Number.
Preferably, the control circuit of the vehicle-mounted bracket include the first chip, the second chip, capacitor C3, capacitor C4,
Capacitor C5, resistance R6, protective module, diode D1, diode D2 and motor, the second chip include 3 external-connected ports, this three
A external-connected port successively includes: according to the number order of the second chip pin
The end VIN: it is connect respectively with the cathode of diode D1, capacitor C3 first end, which is also used to access power supply signal；
The end VOUT: respectively with the anode of diode D1, capacitor C4 first end, capacitor C5 first end, diode D2
Cathode, the connection of one pin of the first chip；
The end GND: connect respectively with the second end of capacitor C3, the second end of capacitor C4, ground terminal, resistance R6 first end
It connects；
First chip includes 8 external-connected ports, and 8 external-connected ports are successively wrapped according to the number order of the first chip pin
It includes:
The end INR and the end INF: the end INR is connect with control module respectively with the end INF；
The end GND: it is connect with the second end of the anode of diode D2, the second end of capacitor C5, resistance R6；
The end VCC: it is connect with the end VOUT；
The end OUTR1 and the end OUTR2: the end OUTR1 connects after connecting with the end OUTR2 with one end of protective module first end, motor
It connects；
The end OUTF1 and the end OUTF2: the other end with the protective module other end, motor after the end OUTF1 is connect with the end OUTF2
Connection；
Resistance R6 second end is for detecting driving signal.
Preferably, the control circuit of the vehicle-mounted bracket includes chip U1, the model HCP110L_14PIN of chip U1
Or SN8P2711_14PIN, chip U1 include the end PB3, the end PB2, the end PA1 and the end PB7, the end PB3 and the end PB2 respectively with
The end INF and the connection of the end INR, resistance R6 second end connect the end PA1 or connect the end PB7 by comparing module.
Preferably, the control circuit of the vehicle-mounted bracket further includes wireless charging module, the wireless charging module and control
The connection of molding block carries out wireless charging for electron equipment.
Preferably, the control circuit of the vehicle-mounted bracket further includes switch module, and the switch module is being pressed or is touching
Switching signal being sent when dynamic to control module, control module is sent according to the switching signal unclamps signal to motor drive module,
Motor drive module drives clamping piece to release the clamping to electronic equipment according to the release signal.
Preferably, the time module for timing, one clamping of time module setting are provided in the control module
Time, the clamping time are greater than clamping piece and normally clamp electronic equipment required time, when time module calculates set clamping
After time is up, time module sends signal to control module to control driving motor module and stop that clamping piece is driven to move.
The utility model also provides a kind of vehicle-mounted bracket comprising the control electricity of clamping piece and vehicle-mounted bracket as described above
Road, the control circuit of the vehicle-mounted bracket are used to drive the clamping piece of vehicle-mounted bracket to clamp electronic equipment or release to electronic equipment
Clamping.
Compared with prior art, the control circuit of the vehicle-mounted bracket of the utility model includes control module and detection module,
Detection module is used to detect the driving signal of motor drive module, is provided with threshold signal in control module, can be believed by threshold value
Generate comparison signal number compared with driving signal, control of the control module by comparing signal to motor drive module, according to
Current or voltage signal in motor drive module circuit is being controlled to feed back to control module, can effectively solve motor drive
The dynamic model block problem at work；By setting comparison module come realize comparison signal compared with driving signal, favorably
In improving processing speed, accelerate the treatment progress of control module.
The motor drive module of the control circuit of the vehicle-mounted bracket of the utility model includes a motor, and clamping piece passes through motor
Drive realize clamping and release to electronic equipment.
The control circuit of the vehicle-mounted bracket of the utility model further includes wireless charging module, so that the vehicle-mounted bracket is having
Clamp the function of being functionally also equipped with electron equipment wireless charging of electronic equipment.
The control circuit of the vehicle-mounted bracket of the utility model further includes switch module, and switch module is when being pressed or touching
Switching signal is sent to control module, control module controls motor drive module according to switching signal, switch module
Be conducive to release the clamping to electronic equipment in real time.
The control circuit of the vehicle-mounted bracket of the utility model further includes time module, and time module clamps electronics in clamping piece
Equipment clamps the clamping that can stop after time is up to electronic equipment, prevents vehicle-mounted bracket transition clamping to vehicle-mounted bracket or electricity
Sub- equipment damages.
[Detailed description of the invention]
Fig. 1 is the schematic perspective view of the utility model vehicle-mounted bracket.
Fig. 2 is the specific module diagram of the control circuit first embodiment of the utility model vehicle-mounted bracket.
Fig. 3 is the physical circuit signal of the control module of the control circuit first embodiment of the utility model vehicle-mounted bracket
Figure.
Fig. 4 is the physical circuit schematic diagram of the motor drive module of the control circuit of the utility model vehicle-mounted bracket.
Fig. 5 is the physical circuit signal of the control circuit first embodiment comparison module of the utility model vehicle-mounted bracket
Figure.
Fig. 6 be the motor drive module of the control circuit second embodiment of the utility model vehicle-mounted bracket, detection module with
The module diagram of control module.
Fig. 7 is the control module of the control circuit of the utility model vehicle-mounted bracket and the schematic diagram of time module.
Fig. 8 is the physical circuit schematic diagram of the infrared sensing module of the control circuit of the utility model vehicle-mounted bracket.
Description of symbols:
5, vehicle-mounted bracket；6, shell；61, front cover；62, rear cover；7, clamping piece；8, supporting element；9, connector；10, vehicle-mounted
The control circuit of bracket；11, control module；12, detection module；13, comparison module；14, motor drive module；15, power supply mould
Block；16, switch module；17, wireless charging module；18, infrared sensing module；19, indicating module；111, time module；141,
First chip；142, the second chip；21, control module；23, comparison module；131, comparator；1311, output end；181, infrared
Emitting diode；182, phototriode.
[specific embodiment]
In order to make the purpose of this utility model, technical solution and advantage are 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 solve
The utility model is released, is not used to limit the utility model.
Referring to Fig. 1, the utility model provides a kind of vehicle-mounted bracket 5 comprising shell 6, two clamping pieces 7, supporting element 8,
The control circuit 10 (label is shown in Fig. 2) of connector 9 and vehicle-mounted bracket, the shell 6 include the front cover 61 and rear cover being fixedly connected
62, front cover 61 and rear cover 62 connect and form the accommodating chamber for accommodating the control circuit 10 of vehicle-mounted bracket therebetween.Before described
For contacting with electronic equipment, the rear cover 62 is connect lid 61 with connector 9, connector 9 be used to connect with the air outlet of vehicle with
The vehicle-mounted bracket 5 is fixed, two clamping pieces, 7 part is located in the accommodating chamber of shell 6, and another part stretches out in shell 6 for clamping
Electronic equipment, supporting element 8 provide support for electron equipment, and the control circuit 10 of vehicle-mounted bracket can drive two clamping pieces, 7 phase
To movement or away from movement to clamp or unclamp electronic equipment.
It is appreciated that the specific structure of vehicle-mounted bracket 5 is unrestricted, as long as the movement by clamping piece 7 is realized to electricity
The vehicle-mounted bracket structure of the fixation of sub- equipment is suitable for the utility model.
Referring to Fig. 2, the utility model provides a kind of control circuit 10 of vehicle-mounted bracket comprising control module 11, ratio
Compared with module 13, detection module 12, motor drive module 14, power supply module 15, switch module 16, infrared sensing module 18, wireless
Charging module 17 and indicating module 19, the control module 11 respectively with comparison module 13, motor drive module 14, wireless charging
Module 17, power supply module 15, switch module 16, infrared sensing module 18 and indicating module 19 connect, and motor drive module 14 divides
It is not connect with detection module 12, power supply module 15, detection module 12 is connect with comparison module 13.Power supply module 15 and wireless charging
Module 17 connects.
Motor drive module 14 is mechanically connected to clamping piece 7, two clamping pieces 7 can be driven to move toward one another or away from movement
To clamp or unclamp the electronic equipment on vehicle-mounted bracket 5.
Wireless charging module 17 is used to carry out wireless charging to the electronic equipment on vehicle-mounted bracket 5, and indicating module 19 is used for
Indicate the charged state of electronic equipment.
Power supply module 15 is powered to motor drive module 14, control module 11 and wireless charging module 17.Power supply module 15
Can by being connect with external power supply or by rechargeable battery being arranged inside to other module for power supply, in the present invention,
Power supply module 15 may include power interface (not shown) and the voltage regulator circuit (not shown) connecting with power interface, and power interface is used
It is connect in external power supply, voltage regulator circuit is used to keep the stabilization of the input voltage from power interface.
Whether the sensing of infrared sensing module 18 has electronic equipment to be in sensing range, and infrared sensing module 18 ties sensing
Fruit generates sensing signal and is sent to control module 11, and control module 11 judges whether there is electronic equipment according to sensing signal and is placed into
On vehicle-mounted bracket 5.When control module 11 has electronic equipment to be placed on vehicle-mounted bracket 5 according to sensing signal judgement, control
Molding block 11 issues clamping control signal to motor drive module 14, and motor drive module 14 drives clamping piece 7 to electronic equipment
It is clamped.When clamping piece 7 clamps electronic equipment, detection module 12 in real time detects motor drive module 14
And its driving signal is acquired, and driving signal is transferred to comparison module 13, it is compared at comparison module 13, comparison module
Preset threshold signal is provided in 13, threshold signal can be voltage signal or current signal.Driving signal and threshold signal
Comparison signal is generated after being compared, comparison signal is transferred to control module 11, and control module 11 controls electricity according to comparison signal
Machine drive module 14 continues that the movement of clamping piece 7 is driven to move to complete the clamping to electronic equipment or stop driving clamping piece 7.
Specifically, when electronic equipment is not also clamped, driving signal is less than threshold signal, and control motor drive module 14 continues to drive
Clamping piece 7 completes the clamping to electronic equipment.When electronic equipment has been clamped, if motor drive module 14 persistently drives
The movement of clamping piece 7 clamps electronic equipment, and corresponding driving signal will will increase in motor drive module 14, when driving is believed
Number be greater than threshold signal when, the control module 11 according to comparison signal control motor drive module 14 stop driving clamping piece 7
Movement.
When user removes the electronic equipment on vehicle-mounted bracket 5, user can press or touching switch module 16.Switch
Module 16 is preferably key switch or soft-touch control；When it is pressed or touches, switch module 16 sends switching signal to control
Molding block 11, control module 11, which receives to send to motor drive module 14 after switching signal, unclamps signal, motor drive module 14
It receives after unclamping signal, driving clamping piece 7 moves, and releases the clamping to electronic equipment.
Precisely determined whether that electronic equipment is needed by this reality by the interference of foreign object to reduce infrared sensing module 18
It is clamped with novel vehicle-mounted bracket 5, sets the induction range of infrared sensing module 18 as 1-20mm.
Referring to Fig. 3, the control circuit 10 of vehicle-mounted bracket can be done as follows as a specific embodiment in Fig. 2 embodiment
Configuration: the control module 11 include be electrically connected chip U1 and row needle CN, row needle CN for meet control module 11 with it is red
External sensed module 18 connects and receives the sensing signal of the transmission of infrared sensing module 18.It is appreciated that row needle CN can be omitted, chip
U1 and infrared sensing module 18 are directly electrically connected.It is illustrated so that needle CN is arranged in setting as an example in the present embodiment.Row needle CN is set
Set there are three pin: a foot, b foot and c foot, the model of chip U1 are preferably HCP110L_14PIN, including but not limited to this, can also
For SN8P2711_14PIN etc., it is illustrated by taking the model HCP110L_14PIN of chip U1 as an example in the present embodiment.Chip
U1 includes 14 external-connected ports, and 14 external-connected ports successively include: according to the number order of chip U1 pin
Vdd terminal: the end is that chip U1 is connect to access operating voltage end with power supply module 15, the end also with capacitor C1
One end connection；
The end PB7: the end is connect by resistance R1 with comparison module 13；
The end PB6: the end is connect with switch module 16；
The end PB5: the end is hanging；
The end PB3 and the end PB2 are connect with motor drive module 14 respectively；
The end PB1 and the end PB connect and pass through resistance R2 and connect with a foot for arranging needle CN；
It is connect after the end PA4 and the connection of the end PA3 with the first end of the first end of resistance R3, resistance R4, the second end of resistance R3
It is connect with the b foot of row needle CN, the second end of resistance R4 is connect with power supply module 15；
The end PA2: the end is hanging；
The end PA1: the end is hanging；
The end PA0: the end passes through resistance R5 and connect with Light-emitting diode LED anode；
The end VSS: the end respectively with Light-emitting diode LED cathode, capacitor C1 second end connect and ground.
It is appreciated that the connection relationship of chip U1, row needle CN and other components are only a kind of embodiment, user can basis
Actual needs is voluntarily reasonably adjusted.
Referring to Fig. 4, motor drive module 14 includes the motor M and the first chip 141 being electrically connected, motor M and clamping
Part 7 is mechanically connected, and the movement of clamping piece 7 can be driven to clamp or unclamp electronic equipment.In the present invention, the first chip
141 model is preferably RZ7888, including but not limited to this, or RZ7889, STI8837B etc..Motor drive module 14
It further include the second chip 142.Second chip 142 is used to the power supply signal of power supply module 15 being transmitted to the first chip 141, the first core
Power supply signal is transmitted to the motor M connecting with the first chip 141 by piece 141 again, as a kind of specific embodiment, the first chip 141,
Second chip 142 and connection are as follows:
Second chip 142 includes 3 external-connected ports, and three external-connected ports are suitable according to the number of 142 pin of the second chip
Sequence successively includes:
The end VIN: the end is connect with power supply module 15, the cathode of diode D1, capacitor C3 first end respectively；
The end VOUT: the end respectively with the anode of diode D1, capacitor C4 first end, capacitor C5 first end, diode
The cathode of D2, the connection of 141 1 pin of the first chip；
The end GND: the end respectively with the second end of capacitor C3, the second end of capacitor C4, ground terminal, resistance R6 first end
Connection.
First chip 141 includes 8 external-connected ports, 8 external-connected ports according to the number order of 141 pin of the first chip according to
It is secondary to include:
The end INR: the end is connect with control module 11 respectively with the end INF, and specifically, the end INR is connect with the end PB2, the end INF with
The connection of the end PB3；
The end GND；The end is connect with the second end of the anode of diode D2, the second end of capacitor C5, resistance R6；It is wherein electric
The second end of resistance R6 is also connect with detection module 12；
The end VCC: the end is connect with the end VOUT；
The end OUTR1: the end is connect after connecting with the end OUTR2 with capacitor C6 first end, the one end motor M；
The end OUTF1: the end is connect after connecting with the end OUTF2 with resistance R7 first end, the motor M other end, wherein resistance R7
Second end is connect with capacitor C6 second end.
Wherein diode D1, diode D2, capacitor C3, capacitor C4, capacitor C5 can be closed voluntarily according to actual needs
Reason adjustment.Resistance R7 and capacitor C6 plays protection motor M, as absorbing peak pulse, heat disappear power down machine M after a loss of power because certainly
It changes the line of production raw induced current, could alternatively be the protective module including other electronic components, such as omit resistance R7, only retain
Capacitor C6.Diode D4, D5 are also to shield, and similarly be could alternatively be including other electronic component protective modules.
In the present embodiment, detection module 12 is used to detect the driving current signal of motor drive module 14 and will drive electricity
Stream signal is converted into voltage signal, which is driving signal, and driving signal is transferred to comparison module 13 and is compared,
It is provided with threshold voltage at comparison module 13, driving signal is compared with threshold voltage and by comparison signal by comparison module 13
It is sent to control module 11, control module 11 controls motor drive module 14 according to comparison signal and continues that clamping piece 7 is driven to complete
Clamping or stopping driving clamping piece 7 to electronic equipment move.
Referring to Fig. 5, comparison module 13 is provided with preset threshold voltage signal, comparison module 13 includes a comparator
131, comparator 131 includes "+" input terminal, "-" input terminal and output end 1311, the physical circuit of comparison module 13 are as follows: electricity
The first end of resistance R10 is connect with capacitor C8 first end, "-" input terminal, capacitor C8 second end ground connection, output end 1311 and control
Molding block 11 connects, and resistance R8 first end is connect with capacitor C7 first end, resistance R9 first end, "+" input terminal, capacitor C7
Second end and resistance R9 second end connect and ground.The second end of resistance R10 with the second end of resistance R6 for connecting, for examining
Driving signal is surveyed and acquires, the voltage at the end resistance R9 is the scheduled threshold voltage of comparison module 13.
It is appreciated that the connection type of detection module 12 and comparison module 13 is only a kind of specific connection side in the present embodiment
Formula, user can according to actual needs reasonably adjust resistance R8, resistance R9, resistance R10, capacitor C7, capacitor C8.
Threshold signal is inputted in 131 one end of comparator as long as realizing, the other end acquires driving signal.
It is appreciated that the second chip 142 can be omitted, the power supply signal that power supply module provides directly passes through the first chip
141 power supplies.
As another embodiment, detection module 12 is used to detect the driving current signal of motor drive module 14, the drive
Streaming current signal is the driving signal, and driving signal is transferred to comparison module 13 and is compared, and comparison module 13 is provided with
Driving signal is compared with threshold current and sends comparison signal to control module 11, control by threshold current, comparison module 13
Molding block 11 controls motor drive module 14 according to comparison signal and continues the driving motor M drive completion of clamping piece 7 to electronic equipment
Clamping or stop driving motor M drive clamping piece 7 move.It is appreciated that driving signal be transferred to comparison module 13 it
Before, analog-to-digital conversion can be carried out, i.e., the driving current signal of simulation is converted into the driving analog signal of number, is compared with facilitating
Module 13 is compared.Accordingly, analog-to-digital conversion module (not shown) can be set to complete analog-to-digital conversion.In the present embodiment
In, to make the information of the detection of detection module 12, by vehicle-mounted bracket 5, when opening, moment higher electric current is not influenced, preferably in vehicle
It carries and lead-edge-blanking circuit is set in the circuit of bracket 5.
Referring to Fig. 6, control module 21 and comparison module 23 are again provided with Fig. 2 embodiment, with embodiment in Fig. 2
The difference is that comparison module 23 is built in control module 21, the driving signal that detection module 12 will test is transferred to control
Driving signal is compared by molding block 21, the comparison module 23 in control module 21 with the threshold signal being arranged inside, and raw
At comparison signal, after similarly the embodiment in Fig. 2, control module 21 control motor drive module 14 according to comparison signal.At this time
The end PB7 is hanging, and detection module 12 is connect by the end PA0 of chip U1 with control module.
Referring to Fig. 7, being additionally provided with time module 111 in control module 11, the time module 111 is used for timing.?
When motor drive module 14 drives clamping piece 7 to release to the clamping of electronic equipment, time module 111 starts timing, and in real time or
Period to 11 sending time signal of control module, when being more than sensing of the setting time electronic equipment still in infrared sensing module 18
When in range, i.e., electronic equipment is not taken away by user, and infrared sensing module 18 sends sensing signal to control module 11, controls mould
Block 11 judges electronic equipment when setting time is not taken away by user according to sensing signal and time signal, then control module 11 is sent out
Send clamping control signal to motor drive module 14 to realize the clamping to electronic equipment.Preferably setting the time is 2-4 seconds, into one
It walks 2-3 seconds preferred.
It is appreciated that time module 111 can also operate during electronic equipment is clamped, it can one clamping of setting
Time, the clamping time are greater than the normally clamping electronic equipment required time of clamping piece 7, and the clamping time can be 3-6 seconds, preferably 4-
6 seconds, when time module 111 calculates set clamping time is up after, control module 11 controls motor drive module 14 and stops
Work causes clamping piece 7 persistently to clamp electronic equipment to damage electronic equipment to prevent the failure of control circuit 10 of vehicle-mounted bracket
Or vehicle-mounted bracket 5.
Referring to Fig. 8, infrared sensing module 18 is preferably TRCT5000 infrared photoelectric sensor comprising infrared emission two
Pole pipe 181, phototriode 182 and row needle CN1, row needle CN1 are respectively 1 foot, 2 feet and 3 feet, 1 foot, 2 feet and 3 there are three pin
A foot, b foot, c foot of the foot respectively with row needle CN are correspondingly connected with, wherein 181 anode of 1 foot and infrared-emitting diode is connect, 2 feet and
The collector of phototriode 182 connects, 3 feet respectively with the emitter of phototriode 182, infrared-emitting diode 181
Anode connection.It is appreciated that row needle CN1 can omit, i.e., at this time infrared-emitting diode 181 not by way of arrange needle grafting and
Control module 11 connects, and infrared sensing module 18 and chip U1 are directly electrically connected.In the present embodiment by taking needle CN1 is arranged in setting as an example
To be illustrated with row's needle CN mating connection.Control module 11 can be passed to PB human hair combing waste radio flat pulse by a foot by PB1 foot
For 1 foot to infrared-emitting diode 181, infrared-emitting diode 181 can be corresponding red according to the level pulse transmitting received
Infrared light reflection, phototriode 182 can be received the infrared of electronic equipment reflection by outer smooth electron equipment, electronic equipment
The infrared light that emitting diode 181 is emitted, phototriode 182 can be sent corresponding according to the received infrared optical information of institute at this time
Level pulse pass to PA4 foot, PA3 foot via 2 feet, b foot, chip U1 can judge whether there is electricity according to the received level pulse of institute
Sub- equipment is placed on vehicle-mounted bracket 5.The time of level pulse is 6-20 milliseconds.It is appreciated that by this photosensitive three
The level pulse that pole pipe 182 gives chip U1 is sensing signal mentioned in this article.
In order to ensure electronic equipment needs to be clamped, rather than the accidental of electronic equipment is placed in sensing range, electronics
Equipment be placed in sensing range duration persistently calculated by time module 111 be at least the time of 3 level pulses when, control mould
Block 11 just send clamping control signal to motor drive module 14, in the present invention, preferably 5 times.
It is appreciated that the utility model used by level pulse number be 1, including but not limited to this, can also use
The mode of multiple level pulse combinations.
It is appreciated that the driving signal in the utility model is not limited to the driving current of motor M, it still can be with drive
The associated electric signal of streaming current, such as by voltage signal that driving current is converted into, driving current is amplified it is rear obtained
Signal or (or associated) of variation that be motor M caused when continuing to clamp electronic equipment after clamping electronic equipment
Electric signal.Association includes but is not limited to linear and non-linear correlation etc..
When the vehicle-mounted bracket 5 of the utility model works, whether infrared sensing module 18 can sense has electronic equipment to be in red
The sensing range of external sensed module 18, infrared sensing module 18 can send sensing signal to control module 11,11 meeting of control module
Sensing signal controls motor drive module 14 based on the received, and specifically the working principle of infrared sensing module 18 exists
It is disclosed in Fig. 8 embodiment and does not just repeat herein.When sensing signal judgement has electronic equipment to control module 11 based on the received
When in sensing range, clamping control signal is sent to the end INF of motor drive module 14, INR by the end PB3, the end PB2
End, motor drive module 14 drive clamping piece 7 to clamp by the end OUTR1, the end OUTR2 and the end OUTF1, the end OUTF2 driving motor M
Electronic equipment, detection module 12 detect and acquire motor by the second end of resistance R6 driving to motor drive module 14 in real time
Driving signal is simultaneously transferred to comparison module 13 by 14 driving signal of dynamic model block, and comparison module 13 makees driving signal and threshold signal
Relatively and comparison signal is sent by the end PB7 to control module 11, control module 11 controls motor driven mould according to comparison signal
Block 14 continues that the movement of clamping piece 7 is driven to move to complete the clamping to electronic equipment or stop driving clamping piece 7；When needs take
Down when clamped electronic equipment, switching signal can be transmitted to by pressing or touch switch module 16, switch module 16 by the end PB6
Control module 11, control module 11, which is sent according to the switching signal received by the end PB3, the end PB2, unclamps signal to motor driven
The end INF, the end INR of module 14, motor drive module 14 pass through the end OUTR1, the end OUTR2 and the OUTF1 of motor drive module 14
End, the end OUTF2 driving motor M drive clamping piece 7 to release the clamping to electronic equipment.
When 14 driving motor M of motor drive module drives clamping piece 7 to release the clamping to electronic equipment, time module
111 timing, when electronic equipment is in the time in sensing range more than setting time, control module 11 sends clamping control letter
Number give motor drive module 14 so that electronic equipment is clamped again.
It is appreciated that the comparison operation between driving signal and threshold signal is not limited to by setting in the utility model
The mode of comparison module is set to realize, can also be realized by modes such as software algorithms.
Compared with prior art, the control circuit of the vehicle-mounted bracket of the utility model includes control module and detection module,
Detection module is used to detect the driving signal of motor drive module, is provided with threshold signal in control module, can be believed by threshold value
Generate comparison signal number compared with driving signal, control of the control module by comparing signal to motor drive module, according to
Current or voltage signal in motor drive module circuit is being controlled to feed back to control module, can effectively solve motor drive
The dynamic model block problem at work；By setting comparison module come realize comparison signal compared with driving signal, favorably
In improving processing speed, accelerate the treatment progress of control module.
The motor drive module of the control circuit of the vehicle-mounted bracket of the utility model includes a motor, and clamping piece passes through motor
Drive realize clamping and release to electronic equipment.
The control circuit of the vehicle-mounted bracket of the utility model further includes wireless charging module, so that the vehicle-mounted bracket is having
Clamp the function of being functionally also equipped with electron equipment wireless charging of electronic equipment.
The control circuit of the vehicle-mounted bracket of the utility model further includes switch module, and switch module is when being pressed or touching
Switching signal is sent to control module, control module controls motor drive module according to switching signal, switch module
Be conducive to release the clamping to electronic equipment in real time.
The control circuit of the vehicle-mounted bracket of the utility model further includes time module, and time module clamps electronics in clamping piece
Equipment clamps the clamping that can stop after time is up to electronic equipment, prevents vehicle-mounted bracket transition clamping to vehicle-mounted bracket or electricity
Sub- equipment damages.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modification within the principle of utility model, equivalent replacement and improvement etc. should all include the protection scope of the utility model
Within.
Claims (10)
1. a kind of control circuit of vehicle-mounted bracket, vehicle-mounted bracket includes the clamping piece for clamping electronic equipment, the vehicle-mounted bracket
Control circuit is used to drive the clamping piece of vehicle-mounted bracket to clamp electronic equipment or releases the clamping to electronic equipment, and feature exists
In: the control circuit of the vehicle-mounted bracket includes control module, detection module, comparison module and motor drive module, the electricity
Machine drive module and clamping piece are mechanically connected and clamping piece can be driven to realize the clamping to electronic equipment, and detection module is for detecting
Driving signal in motor drive module is provided with threshold signal in the control circuit of vehicle-mounted bracket, and the comparison module is used for
Driving signal is compared operation by the threshold signal and generates comparison signal, control module controls motor according to comparison signal
Drive module continues to drive clamping piece to complete the clamping to electronic equipment or stop driving clamping piece movement.
2. a kind of control circuit of vehicle-mounted bracket as described in claim 1, it is characterised in that: the comparison module is built in control
In molding block, the driving signal that the detection module detects sends the control module, the institute in the control module
The driving signal that comparison module detects the detection module is stated to be compared and generate described with the threshold signal
Comparison signal.
3. a kind of control circuit of vehicle-mounted bracket as described in claim 1, it is characterised in that: the control electricity of the vehicle-mounted bracket
Road further comprises comparison module, and the comparison module is connected between detection module and control module, the comparison module packet
A comparator is included, the comparator is used to complete the comparison operation of the driving signal Yu the threshold signal.
4. a kind of control circuit of vehicle-mounted bracket as described in claim 1, it is characterised in that: the motor drive module includes
One motor, the motor and clamping piece are mechanically connected and clamping piece can be driven to realize the clamping to electronic equipment, the driving letter
Number for motor driving current or with the associated electric signal of driving current.
5. a kind of control circuit of vehicle-mounted bracket as described in claim 1, it is characterised in that: the control electricity of the vehicle-mounted bracket
Road include the first chip, the second chip, capacitor C3, capacitor C4, capacitor C5, resistance R6, protective module, diode D1,
Diode D2 and motor, the second chip include 3 external-connected ports, and three external-connected ports are suitable according to the number of the second chip pin
Sequence successively includes:
The end VIN: it is connect respectively with the cathode of diode D1, capacitor C3 first end, which is also used to access power supply signal；
The end VOUT: respectively with the anode of diode D1, capacitor C4 first end, capacitor C5 first end, diode D2 cathode,
The connection of first chip, one pin；
The end GND: it is connect respectively with the second end of capacitor C3, the second end of capacitor C4, ground terminal, resistance R6 first end；
First chip includes 8 external-connected ports, and 8 external-connected ports successively include: according to the number order of the first chip pin
The end INR and the end INF: the end INR is connect with control module respectively with the end INF；
The end GND: it is connect with the second end of the anode of diode D2, the second end of capacitor C5, resistance R6；
The end VCC: it is connect with the end VOUT；
The end OUTR1 and the end OUTR2: the end OUTR1 is connect after connecting with the end OUTR2 with one end of protective module first end, motor；
The end OUTF1 and the end OUTF2: the end OUTF1 is connect after connecting with the end OUTF2 with the other end of the protective module other end, motor；
Resistance R6 second end is for detecting driving signal.
6. the control circuit of vehicle-mounted bracket as claimed in claim 5, it is characterised in that: the control circuit packet of the vehicle-mounted bracket
Include chip U1, the model HCP110L_14PIN or SN8P2711_14PIN of chip U1, chip U1 include the end PB3, the end PB2,
The end PA1 and the end PB7, the end PB3 and the end PB2 are connect with the end INF and the end INR respectively, resistance R6 second end connect the end PA1 or
The end PB7 is connected by comparing module.
7. a kind of control circuit of vehicle-mounted bracket as described in claim 1, it is characterised in that: the control electricity of the vehicle-mounted bracket
Road further includes wireless charging module, and the wireless charging module is connect with control module carries out wireless charging for electron equipment
Electricity.
8. a kind of control circuit of vehicle-mounted bracket as described in claim 1, it is characterised in that: the control electricity of the vehicle-mounted bracket
Road further includes switch module, and the switch module sends switching signal when being pressed or touching to control module, control module
It is sent according to the switching signal and unclamps signal to motor drive module, motor drive module drives clamping piece according to the release signal
Release the clamping to electronic equipment.
9. a kind of control circuit of vehicle-mounted bracket as described in claim 1, it is characterised in that: be provided in the control module
For the time module of timing, the one clamping time of time module setting, which is greater than clamping piece and normally clamps electricity
The time required to sub- equipment, after time is up for the set clamping of time module calculating, time module is sent to control module to be believed
Number with control driving motor module stop driving clamping piece movement.
10. a kind of vehicle-mounted bracket, it is characterised in that: the vehicle-mounted bracket includes the clamping piece and such as claim 1-9 any
The control circuit of vehicle-mounted bracket described in, the control circuit of the vehicle-mounted bracket is for driving the clamping piece of vehicle-mounted bracket to clamp
The clamping of electronic equipment or releasing to electronic equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821390702.5U CN209320851U (en) | 2018-08-27 | 2018-08-27 | The control circuit and vehicle-mounted bracket of vehicle-mounted bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821390702.5U CN209320851U (en) | 2018-08-27 | 2018-08-27 | The control circuit and vehicle-mounted bracket of vehicle-mounted bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209320851U true CN209320851U (en) | 2019-08-30 |
Family
ID=67706401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821390702.5U Active CN209320851U (en) | 2018-08-27 | 2018-08-27 | The control circuit and vehicle-mounted bracket of vehicle-mounted bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209320851U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110861591A (en) * | 2018-08-27 | 2020-03-06 | 深圳市时商创展科技有限公司 | Control circuit of vehicle-mounted support and vehicle-mounted support |
| US11772573B1 (en) | 2023-05-05 | 2023-10-03 | Dongguan Lanhai Composite Materials Technology Co., Ltd. | Vehicle-mounted bracket |
-
2018
- 2018-08-27 CN CN201821390702.5U patent/CN209320851U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110861591A (en) * | 2018-08-27 | 2020-03-06 | 深圳市时商创展科技有限公司 | Control circuit of vehicle-mounted support and vehicle-mounted support |
| US11772573B1 (en) | 2023-05-05 | 2023-10-03 | Dongguan Lanhai Composite Materials Technology Co., Ltd. | Vehicle-mounted bracket |
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