CN207731117U - A kind of circuit and robot that prevent steering gear system from discharging - Google Patents
A kind of circuit and robot that prevent steering gear system from discharging Download PDFInfo
- Publication number
- CN207731117U CN207731117U CN201721923006.1U CN201721923006U CN207731117U CN 207731117 U CN207731117 U CN 207731117U CN 201721923006 U CN201721923006 U CN 201721923006U CN 207731117 U CN207731117 U CN 207731117U
- Authority
- CN
- China
- Prior art keywords
- switch pipe
- switching tube
- gear system
- steering gear
- discharge
- 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.)
- Active
Links
Landscapes
- Control Of Direct Current Motors (AREA)
Abstract
The utility model belongs to electronic circuit technology field, disclose a kind of circuit and robot for preventing steering gear system from discharging, it is described prevent steering gear system discharge circuit and power-off after can rotate under external force and generate electricity and export the driving motor of discharge signal and connect, the circuit includes：Control module for the output control signal when the steering gear system powers on；It is connect with the control module and the driving motor, for receiving the control signal to drive the drive module of the driving motor rotation；And connect with the control module and the drive module, for preventing the discharge signal from pouring in down a chimney to the anti-discharge module of the control module.The utility model can cut off the discharge loop of steering engine, and the damage of other components of steering gear system is caused to avoid steering gear system from generating electricity after a loss of power and discharge.
Description
Technical field
The utility model belongs to electronic circuit technology field more particularly to a kind of circuit and machine that prevent steering gear system from discharging
Device people.
Background technology
With the continuous development of science and technology, steering gear system is widely used in the daily production and life of people, is people
Life bring great convenience.
However, existing steering gear system, after steering gear system power-off, if being transported by artificial traction by applied external force
It is dynamic, then it can lead to the driving motor of steering gear system because mechanical movement generates electromotive force, due to the steering engine and motor of steering gear system
Transmission ratio be N：1, it is generally the case that N>>1, therefore when steering gear system powers off, gently rotate steering engine, steering engine rotation
Driving motor can be driven to rotate, to generate very strong electricity, driving motor is equivalent to generator at this time, due to N>>1, gently
As soon as rotating hypozygal, very high voltage is will produce, is discharged by discharge loop to form electric current, steering gear system member device is caused
The damage of part.
Therefore, traditional steering gear system is deposited after a loss of power because by applied external force, driving motor is put after carrying out rotation power generation
Electricity causes the problem of steering gear system component damage.
Utility model content
The purpose of this utility model is to provide a kind of circuits for preventing steering gear system from discharging, it is intended to solve traditional steering engine
Because by applied external force after the existing power-off of system, after driving motor carries out rotation power generation electric discharge cause steering gear system component damage
Bad problem.
The first aspect of the utility model provide it is a kind of prevent steering gear system discharge circuit, the circuit with power-off after
The driving motor connection of discharge signal can be rotated and generated electricity and export under external force, and the circuit includes：For described
The control module of output control signal when steering gear system powers on；It is connect with the control module and the driving motor, for connecing
The control signal is received to drive the drive module of the driving motor rotation；And with the control module and the driving mould
Block connects, for preventing the discharge signal from pouring in down a chimney to the anti-discharge module of the control module.
Further, the drive module includes being connect with the control module, for receiving the control signal and root
According to the driving unit of the control signal output switch drive signal.
Further, the drive module further includes the switching tube list being connect with the driving unit and the driving motor
Member, the switch pipe unit be used for the steering gear system after the power is turned on, receive the switching drive signal and according to the switch
It powers to the driving motor after drive signal conducting, the switch pipe unit is additionally operable to after the steering gear system powers off, and is connect
It receives the discharge signal and is connected.
Further, the anti-discharge module includes the first diode, cathode and the driving of first diode
Module connects, and the anode of first diode is connect with the control module.
Further, the control module includes microcontroller.
Further, the switch pipe unit includes first switch pipe, second switch pipe, third switching tube and the 4th switch
Pipe；The first switch pipe, the second switch pipe, the third switching tube and the 4th switching tube control terminal with it is described
Driving unit connects, and the input terminal of the first switch pipe and the second switch pipe is connect with the anti-discharge module, described
The output end of first switch pipe is connect with the input terminal of the 4th switching tube and the driving motor, the second switch pipe
Output end is connect with the input terminal of the third switching tube and the driving motor, the third switching tube and the 4th switch
The output end of pipe is grounded.
Further, the first switch pipe, the second switch pipe, the third switching tube and the 4th switching tube
It is P-channel field-effect transistor (PEFT) pipe, the first switch pipe, the second switch pipe, the third switching tube and the 4th switch
Control terminal, input terminal and the output end of pipe correspond to grid, drain electrode and the source electrode of the P-channel field-effect transistor (PEFT) pipe respectively.
Further, the first switch pipe, the second switch pipe, the third switching tube and the 4th switching tube
It is NPN type triode, the first switch pipe, the second switch pipe, the third switching tube and the 4th switching tube
Control terminal, input terminal and output end correspond to the base stage of the NPN type triode, collector and emitter respectively.
The second aspect of the utility model provides a kind of robot, and the robot includes above-mentioned preventing steering gear system
The circuit of electric discharge.
The utility model between the control module and drive module of steering gear system by increasing an anti-discharge module, cut-out
Steering gear system due to the discharge loop that by applied external force driving motor formed after rotation power generation, prevents after a loss of power
The transmission of discharge signal, generates electricity so as to avoid steering gear system and discharges and cause other components of steering gear system after a loss of power
Damage.
Description of the drawings
Fig. 1 is a kind of concrete structure for circuit for preventing steering gear system from discharging that one embodiment of the utility model provides
Block diagram.
Fig. 2 is the exemplary circuit principle of drive module and anti-discharge module that one embodiment of the utility model provides
Figure.
Fig. 3 is the exemplary circuit schematic diagram for the driving motor that one embodiment of the utility model provides.
Specific implementation mode
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.
Referring to Fig. 1, can be after the circuit for preventing steering gear system from discharging in the preferred embodiment of the utility model and power-off
The connection of driving motor 200 of discharge signal is rotated and generated electricity and export under outer force effect, including：Control module 11, drive module
12 and anti-discharge module 13.
Control module 11 is used for the output control signal when steering gear system powers on；Drive module 12 and control module 11 and drive
Dynamic motor 200 connects, for receiving control signal to drive driving motor 200 to rotate；Anti-discharge module 13 and control module 11
It is connected with drive module 12, for preventing discharge signal from pouring in down a chimney to control module 11.
In traditional steering gear system, after steering gear system powers off, if steering engine is rotated by the effect of applied external force,
Then steering engine drives driving motor 200 to rotate, and driving motor 200 makes mechanical movement, and magnetic life electricity is equivalent to, at this point, driving motor
200 are equivalent to generator, and to generate an electromotive force, output discharge signal is by discharging back after the rotation power generation of driving motor 200
Road is discharged, and discharge signal pours in down a chimney the damage that other components in steering gear system are caused to control module 11, wherein electric discharge
Circuit includes driving motor 200, control module 11 and drive module 12 in steering gear system and other and driving motor
200, the circuit module (not shown) that control module 11 and drive module 12 are electrically connected, applied external force include that artificial push applies
To the active force of steering engine.
In the present embodiment, by increasing by an anti-discharge module 13, after steering gear system powers off, driving motor 200 carries out
When mechanical movement generates electromotive force and discharges, the discharge loop of driving motor 200 is cut off, the electric discharge letter that driving motor 200 exports
It number is then blocked by anti-discharge module 13 after drive module 12, to which other circuit modules can not be flowed to, avoids steering gear system
Electric discharge causes the damage of other components of steering gear system after generating electricity after power-off, and in a particular application, control module 11 can be single
Piece machine.
Drive module 12 includes driving unit 121 and switch pipe unit 122；Driving unit 121 is connect with control module 11,
For steering gear system after the power is turned on, receive control signal and according to control signal output switch drive signal；Switch pipe unit 122
Connect with driving unit 121 and driving motor 200, switch pipe unit 122 be used for steering gear system after the power is turned on, receive switch drive
Signal is simultaneously powered after being connected according to switching drive signal to driving motor 200.
It in the present embodiment, should when after the power is turned on, then 11 electrifying startup of control module and exporting control signal to steering gear system
Control signal for control driving motor 200 start work, 121 electrifying startup of driving unit and according to control signal output switch
Drive signal to switch pipe unit 122, switch pipe unit 122 is connected after receiving switching drive signal and is supplied to driving motor 200
Electricity, at this point, driving motor 200 is connect by switching pipe unit 122 with power supply.
Switch pipe unit 122 is additionally operable to after steering gear system powers off, and receives discharge signal, and be connected according to discharge signal.
In the present embodiment, after steering gear system powers off, steering engine may in the counterclockwise direction or rotationally clockwise, by
Include switch pipe unit 122 in the inside of drive module 12, therefore, no matter steering engine is in the counterclockwise direction or along clockwise
Direction rotates, and the voltage of output is all to prevent steering engine from generating electricity towards the same direction, after emphasis is turned off steering engine power generation
Discharge loop, preferably add a switch chip in the line of drive module 12 and driving motor 200, but usually steering engine
Control panel is very small, has no idea to add switch chip, therefore, the present embodiment on a pin of drive module 12 by increasing
One anti-discharge module 13 prevents the transmission of discharge signal, to avoid steering engine from putting for cutting off the discharge loop after steering engine generates electricity
Electricity causes the damage to other components.
It includes first switch pipe Q1, second switch pipe Q2, third switching tube Q3 and the 4th switching tube to switch pipe unit 122
Q4；The control terminal and driving unit 121 of first switch pipe Q1, second switch pipe Q2, third switching tube Q3 and the 4th switching tube Q4
The input terminal of connection, first switch pipe Q1 and second switch pipe Q2 are connect with anti-discharge module 13, the output of first switch pipe Q1
End connect with the first end OUT1 of the input terminal of the 4th switching tube Q4 and driving motor 200, the output end of second switch pipe Q2 and
The input terminal of third switching tube Q3 is connected with the second end OUT2 of driving motor 200, third switching tube Q3 and the 4th switching tube Q4
Output end ground connection.
In the present embodiment, when to steering gear system after the power is turned on, then 11 electrifying startup of control module and export control signal with
It controls driving motor 200 and starts work, driving unit 121 is according to control signal output switch drive signal to switching pipe unit
122, switch pipe unit 122 is switched to the power supply of driving motor 200 to control in switch pipe unit 122 after receiving switching drive signal
The conducting situation of pipe, so that the first end OUT1 of driving motor 200 is connect by first switch pipe Q1 with power supply, driving motor
200 second end OUT2 is grounded by third switching tube Q3, and driving motor 200 receives power supply signal and controlled according to power supply signal
Own rotation.
In the present embodiment, after steering engine power-off, steering engine power generation and discharges since applied external force makes mechanical movement, if not having
There are the anti-discharge module 13 of setting, then when steering engine does the rotation of clockwise or counterclockwise after a loss of power, driving motor
200 output discharge signals, discharge signal from the first end OUT1 outflow of driving motor 200, then followed by first switch pipe Q1,
Control module 11 and third switching tube Q3, then the second end OUT2 of driving motor 200 is flow back into, it is put to form a discharge loop
Electricity or the discharge signal are flowed out from the second end OUT2 of driving motor 200, followed by second switch pipe Q2, control module 11
With the 4th switching tube Q4, then the first end OUT1 of driving motor 200 is flow back into, to form discharge loop electric discharge, and steering engine
Electric discharge can cause the damage of other components, in actual experiment, it can be seen that have chip and device to burn, such as serial ports level
Conversion chip.
In a particular application, switch pipe unit 122 or MOS bridge circuits, wherein first switch pipe Q1, second open
It is P-channel field-effect transistor (PEFT) pipe to close pipe Q2, third switching tube Q3 and the 4th switching tube Q4, first switch pipe Q1, second switch pipe Q2,
Control terminal, input terminal and the output end of third switching tube Q3 and the 4th switching tube Q4 correspond to the grid of P-channel field-effect transistor (PEFT) pipe respectively
Pole, drain electrode and source electrode.MOS bridge circuits include the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, third metal-oxide-semiconductor and the 4th metal-oxide-semiconductor, the first MOS
The grid of pipe, the second metal-oxide-semiconductor, third metal-oxide-semiconductor and the 4th metal-oxide-semiconductor is connect with driving unit 121, the first metal-oxide-semiconductor and the second metal-oxide-semiconductor
Drain electrode connect with anti-discharge module 13, the drain electrode of the source electrode of the first metal-oxide-semiconductor and the 4th metal-oxide-semiconductor and the first of driving motor 200
OUT1 connections, the source electrode of the second metal-oxide-semiconductor is held to be connect with the second end OUT2 of the drain electrode of third metal-oxide-semiconductor and driving motor 200, third
The source electrode of metal-oxide-semiconductor and the 4th metal-oxide-semiconductor is grounded.In a particular application, first switch pipe Q1, second switch pipe Q2, third switching tube
Q3 and the 4th switching tube Q4 may be NPN type triode, first switch pipe Q1, second switch pipe Q2, third switching tube Q3 and
Control terminal, input terminal and the output end of 4th switching tube Q4 corresponds to base stage, collector and the transmitting of NPN type triode respectively
Pole.In a particular application, switch pipe unit 122 or other kinds of switching device, such as igbt, as long as
It can realize function identical with the utility model.
Fig. 2 and Fig. 3 are please referred to, in a particular application, drive module 12 is driving chip, and the model of driving chip can be
MP6515, anti-discharge module 13 include the first diode D1, the cathode of the first diode D1 and the 9th pin of drive module 12
VIN feet connect, and the anode of the first diode D1 is connect with control module 11.Driving motor 200 is connect with drive module 12, specifically
Ground, the first end OUT1 of driving motor 200 are connect with the 7th foot OUT1 feet of drive module 12, the second end of driving motor 200
OUT2 is connect with the 10th foot OUT2 feet of drive module 12.
In the present embodiment, anti-discharge module 13 is set between drive module 12 and control module 11, when steering engine is disconnected
After electricity, when driving motor 200 discharge after rotation power generation, the discharge signal that driving motor 200 exports makes in drive module 12
Switch pipe unit 122 be connected, but the first diode D1 at this time in anti-discharge protection module reversely ends, and has cut off electric discharge
Circuit prevents the transmission of discharge signal, avoids steering engine electric discharge and is damaged to other components.Wherein, anti-discharge protection
Module may be the form of multiple Diode series or parallel connection.
The invention also discloses a kind of robot, robot includes the above-mentioned circuit for preventing steering gear system from discharging.
The utility model between the control module 11 and drive module 12 of steering gear system by increasing by an anti-discharge module
13, steering gear system has been cut off after a loss of power since by applied external force driving motor 200 formed after rotation power generation puts
Electrical circuit prevents the transmission of discharge signal, generates electricity and discharges after a loss of power so as to avoid steering gear system and causes steering gear system
The damage of other components.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
All any modification, equivalent and improvement etc., should be included in the guarantor of the utility model made by within novel spirit and principle
Within the scope of shield.
Claims (9)
1. it is a kind of prevent steering gear system discharge circuit, with can be rotated under external force after power-off and generate electricity and export electric discharge letter
Number driving motor connection, which is characterized in that the circuit includes：
Control module for the output control signal when the steering gear system powers on；
It is connect with the control module and the driving motor, for receiving the control signal to drive the driving motor to turn
Dynamic drive module；And
It is connect with the control module and the drive module, for preventing the discharge signal from pouring in down a chimney to the control module
Anti-discharge module.
2. the as described in claim 1 circuit for preventing steering gear system from discharging, which is characterized in that the drive module includes and institute
Control module connection is stated, for receiving the control signal and according to the driving list of the control signal output switch drive signal
Member.
3. the as claimed in claim 2 circuit for preventing steering gear system from discharging, which is characterized in that the drive module further include with
The switch pipe unit that the driving unit is connected with the driving motor, the switch pipe unit are used in the steering gear system
After electricity, receives the switching drive signal and power to the driving motor after being connected according to the switching drive signal, it is described
Switch pipe unit is additionally operable to after the steering gear system powers off, and is received the discharge signal and is connected.
4. the as described in claim 1 circuit for preventing steering gear system from discharging, which is characterized in that the anti-discharge module includes the
The cathode of one diode, first diode is connect with the drive module, anode and the control of first diode
Molding block connects.
5. the circuit as described in claim 1 for preventing steering gear system from discharging, which is characterized in that the control module includes monolithic
Machine.
6. the as claimed in claim 3 circuit for preventing steering gear system from discharging, which is characterized in that the switch pipe unit includes the
One switching tube, second switch pipe, third switching tube and the 4th switching tube；It is the first switch pipe, the second switch pipe, described
The control terminal of third switching tube and the 4th switching tube is connect with the driving unit, the first switch pipe and described second
The input terminal of switching tube is connect with the anti-discharge module, and the output end of the first switch pipe is defeated with the 4th switching tube
Enter end to connect with the driving motor, input terminal and the drive of the output end of the second switch pipe with the third switching tube
The output end ground connection of dynamic motor connection, the third switching tube and the 4th switching tube.
7. the as claimed in claim 6 circuit for preventing steering gear system from discharging, which is characterized in that the first switch pipe, described
Second switch pipe, the third switching tube and the 4th switching tube are P-channel field-effect transistor (PEFT) pipe, the first switch pipe, institute
Control terminal, input terminal and the output end for stating second switch pipe, the third switching tube and the 4th switching tube correspond to respectively
Grid, drain electrode and the source electrode of the P-channel field-effect transistor (PEFT) pipe.
8. the as claimed in claim 6 circuit for preventing steering gear system from discharging, which is characterized in that the first switch pipe, described
Second switch pipe, the third switching tube and the 4th switching tube are NPN type triode, the first switch pipe, described
Control terminal, input terminal and the output end of second switch pipe, the third switching tube and the 4th switching tube correspond to institute respectively
State base stage, the collector and emitter of NPN type triode.
9. a kind of robot, which is characterized in that the robot, which includes 1~8 any one of them of the claims, prevents rudder
The circuit of machine system discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721923006.1U CN207731117U (en) | 2017-12-29 | 2017-12-29 | A kind of circuit and robot that prevent steering gear system from discharging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721923006.1U CN207731117U (en) | 2017-12-29 | 2017-12-29 | A kind of circuit and robot that prevent steering gear system from discharging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207731117U true CN207731117U (en) | 2018-08-14 |
Family
ID=63084564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721923006.1U Active CN207731117U (en) | 2017-12-29 | 2017-12-29 | A kind of circuit and robot that prevent steering gear system from discharging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207731117U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109991890A (en) * | 2017-12-29 | 2019-07-09 | 深圳市优必选科技有限公司 | A kind of circuit and robot for preventing steering gear system from discharging |
| CN112230668A (en) * | 2020-10-14 | 2021-01-15 | 四川航天烽火伺服控制技术有限公司 | Drive circuit and system |
-
2017
- 2017-12-29 CN CN201721923006.1U patent/CN207731117U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109991890A (en) * | 2017-12-29 | 2019-07-09 | 深圳市优必选科技有限公司 | A kind of circuit and robot for preventing steering gear system from discharging |
| CN112230668A (en) * | 2020-10-14 | 2021-01-15 | 四川航天烽火伺服控制技术有限公司 | Drive circuit and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101963792B (en) | Time sequence control circuit and control method thereof | |
| CN102332898B (en) | Switching circuit with zero standby power consumption | |
| CN201860306U (en) | Time sequence control circuit | |
| CN207731117U (en) | A kind of circuit and robot that prevent steering gear system from discharging | |
| US20130026833A1 (en) | Power management circuit | |
| CN201238280Y (en) | Motor driving apparatus | |
| CN204013448U (en) | A kind of IGBT Drive Protecting Circuit | |
| CN110868201B (en) | Low-power consumption quick response level conversion circuit | |
| CN110971159B (en) | High-power speed regulation and protection circuit system of H-bridge direct-current motor | |
| CN210225247U (en) | Soft start circuit and power switch | |
| CN111490705A (en) | H-bridge drive and closed-loop speed regulation control circuit design | |
| CN109991890A (en) | A kind of circuit and robot for preventing steering gear system from discharging | |
| TWI405393B (en) | Charge pump driving circuit and charge pump system | |
| CN103425071B (en) | Switching Power Supply energy efficiency control circuit | |
| CN214014208U (en) | Reset circuit, reset device, and control device | |
| WO2022095388A1 (en) | Overcurrent protection circuit, overcurrent protection method, clock signal generation circuit, and display device | |
| CN201733130U (en) | Power supply management module circuit | |
| CN206442288U (en) | A kind of anti-upper surge circuit applied to compact electric apparatus | |
| CN110545098A (en) | CMOS level converter, operation method, device and equipment | |
| CN113726319B (en) | Driving circuit of power semiconductor and power semiconductor device | |
| CN206283485U (en) | A kind of simple SICMOS drive circuits | |
| CN216216605U (en) | Motor drive circuit and electrical equipment | |
| CN108336988A (en) | A kind of negative pressure driving circuit of MOS switch | |
| CN219778495U (en) | Circuit for reducing standby power consumption | |
| CN204361945U (en) | A kind of protective circuit for driver for brushless DC motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |