CN110350902A - A kind of Anti-misoperation circuit and anti-misoperation apparatus - Google Patents
A kind of Anti-misoperation circuit and anti-misoperation apparatus Download PDFInfo
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- CN110350902A CN110350902A CN201910649882.7A CN201910649882A CN110350902A CN 110350902 A CN110350902 A CN 110350902A CN 201910649882 A CN201910649882 A CN 201910649882A CN 110350902 A CN110350902 A CN 110350902A
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
- H03K2217/0081—Power supply means, e.g. to the switch driver
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Abstract
The application is suitable for electronic technology field, provide a kind of Anti-misoperation circuit and anti-misoperation apparatus, the power supply signal of the working voltage source output is received by the division module that charges, and it is charged according to the power supply signal, to export the first voltage division signal and the second voltage division signal, wherein, first switch module conducting when first voltage division signal charging reaches predetermined voltage threshold, second voltage division signal is set to off disconnected voltage threshold signals, the second switch module receives the shutdown voltage threshold signals shutdown, to achieve the purpose that the connection status for controlling the front stage circuits and the late-class circuit, and the control signal of front stage circuits output is no longer received after late-class circuit starting, it avoids front stage circuits and influence of the maloperation to late-class circuit occurs, it solves front stage circuits to occur leading when maloperation The problem of causing late-class circuit accidentally to execute.
Description
Technical field
The application belongs to electronic technology field, in particular to a kind of Anti-misoperation circuit and anti-misoperation apparatus.
Background technique
With the high speed development of industrial automation, the intelligentized continuous improvement of electronic equipment, each related fields is for electronics
The use of equipment is also more and more, and the safety problem generated therewith is also more concerned by people.Wherein, in some electronics
In equipment application, late-class circuit be may require that after actuation not by the effect of signals of front stage circuits, at this point, if the signal of front stage circuits
Still it may result in late-class circuit job failure or damage to rear class circuit sending signal after actuation.
However, the prime control of available circuit generallys use direct-connected mode with rear class execution circuit, there are primes to miss
The problem of causing late-class circuit accidentally to execute when operation.
Summary of the invention
The application's is designed to provide a kind of Anti-misoperation circuit and anti-misoperation apparatus, it is intended to solve available circuit
There are problems that late-class circuit is caused accidentally to execute when maloperation occur in front stage circuits in prime control and rear class execution circuit.
This application provides a kind of Anti-misoperation circuits, connect with front stage circuits, working voltage source and late-class circuit, institute
Stating Anti-misoperation circuit includes:
Charge division module, connect with the working voltage source, and the charging division module receives the working voltage source
The power supply signal of output, and charged according to the power supply signal, to export the first voltage division signal and the second voltage division signal；
First switch module is connect with charging division module, and the first switch module receives first voltage division signal,
And turn-on and turn-off are carried out according to first voltage division signal；And
Second switch module is connect with the charging division module, the front stage circuits and the late-class circuit, described
Second switch module receives second voltage division signal, and is connected or is turned off according to second voltage division signal, with control
Make the connection status of the front stage circuits and the late-class circuit；
Wherein, first switch module conducting when first voltage division signal charging reaches predetermined voltage threshold, and
Second voltage division signal is set to off disconnected voltage threshold signals, the shutdown voltage threshold signals are for controlling described second
Switch module shutdown.
Optionally, the charging division module includes sequentially concatenated first resistor unit, second resistance unit and electricity
Container unit；
The first end of the first resistor unit is connect with the second switch module, and the second of the first resistor unit
End and the first end of the second resistance unit are connected to the working voltage source, the second end of the second resistance unit and institute altogether
The first end for stating capacitor unit is connected to the first switch module, the second end ground connection of the capacitor unit altogether.
Present invention also provides a kind of anti-misoperation apparatus, the anti-misoperation apparatus includes:
Control signal input mouth；
Operating voltage source port；
Control signal output mouth；And
Anti-misoperation circuit as described in any one of the above embodiments, the Anti-misoperation circuit are inputted with the control signal respectively
Port, the operating voltage source port and control signal output mouth connection.
This application provides a kind of Anti-misoperation circuit and anti-misoperation apparatus, by described in charging division module reception
The power supply signal of working voltage source output, and charged according to the power supply signal, to export the first voltage division signal and second
Voltage division signal, wherein first switch module conducting when first voltage division signal charging reaches predetermined voltage threshold, it will
Second voltage division signal is set to off disconnected voltage threshold signals, and the second switch module receives the shutdown voltage threshold
Signal shutdown, to achieve the purpose that the connection status for controlling the front stage circuits and the late-class circuit, and in late-class circuit
The control signal that front stage circuits output is no longer received after starting avoids front stage circuits and maloperation occurs to the shadow of late-class circuit
It rings, solves the problems, such as that late-class circuit is caused accidentally to execute when maloperation occur in front stage circuits.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the present application, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the module diagram for the Anti-misoperation circuit that one embodiment of the application provides.
Fig. 2 is the electrical block diagram for the Anti-misoperation circuit that one embodiment of the application provides.
Fig. 3 is the electrical block diagram for the Anti-misoperation circuit that another embodiment of the application provides.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the application, not
For limiting the application.
It should be noted that when component is referred to as " being fixed on " or " being set to " another component, it can directly or
It connects and is located on another component.When a component referred to as " is connected to " another component, it be can be directly or indirectly
It is connected on another component.Term " on ", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top",
The orientation or position of the instructions such as "bottom", "inner", "outside" are orientation based on the figure or position, are merely for convenience of describing,
It should not be understood as the limitation to the technical program.Term " first ", " second " are used merely to facilitate description purpose, and should not be understood as
Indication or suggestion relative importance or the quantity for implicitly indicating technical characteristic.The meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In order to illustrate technical solution described herein, it is described in detail below in conjunction with specific accompanying drawings and embodiments.
Below in conjunction with the drawings and specific embodiments, the application is described in detail.
Fig. 1 is the structural schematic diagram for the Anti-misoperation circuit that one embodiment of the application provides, shown in Figure 1, this
Anti-misoperation circuit in embodiment is connect with front stage circuits 11, working voltage source 12 and late-class circuit 13, the anti-error behaviour
Include: as circuit
Charge division module 21, connect with the working voltage source 12, the charging division module 21 receives the work
The power supply signal that voltage source 12 exports, and charged according to the power supply signal, to export the first voltage division signal and second point
Press signal；
First switch module 21 is connect with charging division module 21, and the first switch module 21 receives described first point
Signal is pressed, and turn-on and turn-off are carried out according to first voltage division signal；And
Second switch module 22, with the charging division module 21, the front stage circuits 11 and the late-class circuit 13
Connection, the second switch module 22 receive second voltage division signal, and according to second voltage division signal carry out conducting or
Person's shutdown, to control the connection status of the front stage circuits 11 and the late-class circuit 13；
Wherein, the first switch module 21 conducting when first voltage division signal charging reaches predetermined voltage threshold,
And second voltage division signal is set to off disconnected voltage threshold signals, the shutdown voltage threshold signals are for controlling described the
The shutdown of two switch modules 22.
In the present embodiment, charging division module 21 receives the power supply signal that working voltage source 12 exports, and according to power supply
Signal charges to export corresponding first voltage division signal and the second voltage division signal, at this point, the voltage of the first voltage division signal with
Charging time of charging division module 21 increase and from low level be gradually increased to charging voltage threshold value, which is
The maximum voltage value of first voltage division signal, when the division module 21 that charges, which receives power supply signal, to be powered on, the first voltage division signal is low
Level, first switch module 21 is in an off state, and the second voltage division signal is high level, and second switch module 22 is on shape
State is connected between front stage circuits 11 and late-class circuit 13, when voltage the filling with charging division module 21 of the first voltage division signal
When the increase of electric time is gradually increased to predetermined voltage threshold, first switch module 21 is in the conductive state, at this time the second partial pressure
Signal is set to off disconnected voltage threshold signals, which can be low level, specifically, the shutdown voltage
Threshold signal turns off, late-class circuit 13 for controlling the shutdown of second switch module 22 between front stage circuits 11 and late-class circuit 13
The signal of front stage circuits 11 is no longer received, so that the signal of front stage circuits 11 be avoided to have an impact late-class circuit 13, is realized
The technical effect that late-class circuit 13 is no longer influenced by front stage circuits 11 after circuit start.
In one embodiment, the voltage of the first voltage division signal can root from the time that low level rises to predetermined voltage threshold
It needs to be arranged according to user, specifically, by the parameter of the capacitor in setting charging division module 21 to charging division module 21
Charging time be configured.
In one embodiment, the voltage signal inputs and the working voltage source 12 of the charging division module 21 connect
It connects, the first voltage division signal output end of the charging division module 21 is connect with the control terminal of the first switch module 22, institute
The the second voltage division signal output end for stating charging division module 21 is connect with the control terminal of the second switch module 23；
The first end of the first switch module 22 is connect with the control terminal of the second switch module 23, and described first opens
Close module 22 second end and ground line connect, the first switch module 22 according to first voltage division signal carry out conducting and
Shutdown, the connection status between control terminal and ground line to control the second switch module 23.
In the present embodiment, as the charging time increases, the first voltage division signal of output gradually increases the division module 21 that charges
Add, when the first voltage division signal reaches predetermined voltage threshold, first switch module 22 is connected, the control of second switch module 23 at this time
End processed and ground line connect, and the second voltage division signal is pulled low to 0V, and second switch module 23 disconnects at this time, to make front stage circuits
11 and late-class circuit 13 it is separated, realize that the technology that late-class circuit 13 is no longer influenced by front stage circuits 11 after circuit start is imitated
Fruit.
In one embodiment, shown in Figure 2, the charging division module 21 includes sequentially concatenated first resistor list
Member 201, second resistance unit 202 and capacitor unit 203；
The first end of the first resistor unit 201 is connect with the second switch module 22, the first resistor unit
201 second end and the first end of the second resistance unit 202 are connected to the working voltage source 12, the second resistance list altogether
The second end of member 202 and the first end of the capacitor unit 203 are connected to the first switch module 21, the capacitor list altogether
The second end ground connection of member 203.
In the present embodiment, the first end of the second end of the first resistor unit 201 and the second resistance unit 202
It is connected to the working voltage source 12 altogether, for receiving the power supply signal of the output of working voltage source 12, and passes through first resistor unit
201 first end exports the second voltage division signal, and the second voltage division signal is by first resistor unit 201 and second resistance unit at this time
202 partial pressure acts on and generates the effect of voltage amplification, and therefore, the voltage value of the second voltage division signal is greater than the voltage of power supply signal
Value, the first end of capacitor unit 203 and the second end of second resistance unit 202 are connected to first switch module 21 altogether, and to the
One switch module 21 sends the first voltage division signal, after the control terminal of first switch module 21 receives the first voltage division signal, according to
First voltage division signal controls the connection status between the first end and second end of first switch module 21, specifically, when first point
When the voltage value of signal being pressed to be greater than or equal to predetermined voltage threshold, led between the first end and second end of first switch module 21
It is logical, since the second end of first switch module 21 is grounded, the of the first end of first switch module 21 and first resistor unit 201
The control terminal of one end and second switch module 22 connects altogether, and the voltage of the second voltage division signal is pulled low to ground, second switch at this time
Module 22 is turned off, and front stage circuits 11 are separated with rear class short circuit, when the voltage value of the first voltage division signal is less than predeterminated voltage
When threshold value, turned off between the first end and second end of first switch module 21.
In the present embodiment, it is adjusted, is can achieve to charging division module by the parameter to capacitor unit 203
The purpose that 21 charging time is adjusted, while the charging voltage threshold value of charging division module 21 can also be adjusted,
The charging voltage threshold value is the maximum value of the first voltage division signal.
In one embodiment, first resistor unit 201 by for a resistance, multiple resistance series connection, multiple resistor coupled in parallel
And multiple resistance it is series-parallel in any one composition, for example, in one embodiment, shown in Figure 2, first resistor list
Member 201 includes first resistor R1, and the first end of the first resistor R1 is connect with the second switch module 22, first electricity
The second end of resistance R1 is connect with the second resistance unit 202.
In one embodiment, second resistance unit 202 can be by a resistance, the series connection of multiple resistance, multiple resistance simultaneously
Connection and multiple resistance it is series-parallel in any one composition, for example, in one embodiment, shown in Figure 2, second resistance
Unit 202 includes second resistance R2, and the first end of the second resistance R2 is connect with first resistor unit 201, second electricity
The second end of resistance R2 is connect with the capacitor unit 203.
In one embodiment, capacitor unit 203 can be in parallel by a capacitor, the series connection of multiple capacitors, multiple capacitors
And multiple capacitors it is series-parallel in any one composition, for example, in one embodiment, shown in Figure 2, the capacitor
Unit 203 includes first capacitor C1, and the first end of the first capacitor C1 connect with the second resistance unit 202, and described the
The second end of one capacitor C1 is grounded.
In one embodiment, capacitor unit 203 can also be by the formation in series or in parallel of multiple capacitors.
In one embodiment, shown in Figure 3, the Anti-misoperation circuit further include:
Discharge module 24, the discharge module 24 are in parallel with the second resistance unit 202.
In the present embodiment, capacitor unit 203 can be discharged when circuit is closed by discharge module 24, be avoided
Working voltage source 12 generates higher induced potential in the moment of shutdown and damages the electronic component in circuit.
In one embodiment, shown in Figure 3, the discharge module 24 include first diode D1, the described 1st
The cathode of pole pipe D1 is connect with the first end of the second resistance unit 202, the anode of the first diode D1 and described the
The second end of two resistance units 202 connects.
In the present embodiment, by the way that capacitor list can be given with 202 reverse parallel connection first diode D1 of second resistance unit
Member 203 shutdown transient generate one circuit of induced current so that first diode D1 play discharge diode or
The effect of absorption diode, the induced current generated in down circuitry to capacitor unit 203 are released, and capacitor is prevented
Unit 203 impacts circuit in the induced potential that shutdown transient generates or damages to electronic component.
In one embodiment, the first switch module 21 includes first switch tube M1, the first switch tube M1's
First end is connect with the second switch module 22, the second end ground connection of the first switch tube M1, the first switch tube M1
Third end connect with the charging division module 21.
In the present embodiment, first end of the first end of first switch tube M1 as first switch module 21, first switch
Second end of the second end of pipe M1 as first switch module 21, the third end of first switch tube M1 is as first switch module 21
Control, wherein first switch tube M1 is active device, the third end of first switch tube M1 for receiving the first voltage division signal,
And according to the connection status of the first end of the voltage swing control first switch tube M1 of control signal and second end, when the first partial pressure
When signal is greater than or equal to predetermined voltage threshold, first switch tube M1 conducting, when the first voltage division signal is less than predetermined voltage threshold
When, first switch tube M1 shutdown.
In one embodiment, the first switch tube M1 can be triode or metal-oxide-semiconductor.For example, first switch tube
M1 can be N-type metal-oxide-semiconductor, wherein first end of the drain electrode of N-type metal-oxide-semiconductor as first switch tube M1, the source electrode of N-type metal-oxide-semiconductor are made
For the second end of first switch tube M1, third end of the grid of N-type metal-oxide-semiconductor as first switch tube M1.
In one embodiment, first switch tube M1 can be NPN type triode, wherein the collector of NPN type triode
As the first end of first switch tube M1, second end of the emitter of NPN type triode as first switch tube M1, NPN type three
Third end of the base stage of pole pipe as first switch tube M1.
In one embodiment, the second switch module 22 includes second switch M2, the second switch M2's
First end is connect with the front stage circuits 11, and the second end of the second switch M2 is connect with the late-class circuit 13, described
The third end of second switch M2 is connect with the charging division module 21.
In the present embodiment, first end of the first end of second switch M2 as second switch M2, second switch
Second end of the second end of M2 as second switch module 22, the third end of second switch M2 is as second switch module 22
Third end, for receiving the second voltage division signal, when the second voltage division signal is high level, second switch M2 conducting, when second
When voltage division signal is low level, second switch M2 shutdown.
In one embodiment, the second switch M2 can be triode or metal-oxide-semiconductor.Second switch M2 can be with
For N-type metal-oxide-semiconductor, wherein first end of the drain electrode of N-type metal-oxide-semiconductor as second switch M2, the source electrode of N-type metal-oxide-semiconductor is as second
The second end of switching tube M2, third end of the grid of N-type metal-oxide-semiconductor as second switch M2.
In one embodiment, second switch M2 can also be NPN type triode, wherein the current collection of NPN type triode
First end of the pole as second switch M2, second end of the emitter of NPN type triode as second switch M2, NPN type
Third end of the base stage of triode as second switch M2.
Present invention also provides a kind of anti-misoperation apparatus, the anti-misoperation apparatus includes:
Control signal input mouth；
Operating voltage source port；
Control signal output mouth；And
Anti-misoperation circuit as described in any one of the above embodiments, the Anti-misoperation circuit are inputted with the control signal respectively
Port, the operating voltage source port and control signal output mouth connection.
In the present embodiment, for connecting with front stage circuits 11, operating voltage source port is used for control signal input mouth
It is connect with working voltage source 12, control signal output mouth with late-class circuit 13 for connecting.
This application provides a kind of Anti-misoperation circuit and anti-misoperation apparatus, by described in charging division module reception
The power supply signal of working voltage source output, and charged according to the power supply signal, to export the first voltage division signal and second
Voltage division signal, wherein first switch module conducting when first voltage division signal charging reaches predetermined voltage threshold, it will
Second voltage division signal is set to off disconnected voltage threshold signals, and the second switch module receives the shutdown voltage threshold
Signal shutdown, to achieve the purpose that the connection status for controlling the front stage circuits and the late-class circuit, and in late-class circuit
The control signal that front stage circuits output is no longer received after starting avoids front stage circuits and maloperation occurs to the shadow of late-class circuit
It rings, solves the problems, such as that late-class circuit is caused accidentally to execute when maloperation occur in front stage circuits.
The above is only the alternative embodiments of the application, not to limit the application, it is all in spirit herein and
Made any modifications, equivalent replacements, and improvements etc., should be included within the scope of protection of this application within principle.
Claims (10)
1. a kind of Anti-misoperation circuit is connect, which is characterized in that described with front stage circuits, working voltage source and late-class circuit
Anti-misoperation circuit includes:
Charge division module, connect with the working voltage source, and the charging division module receives the working voltage source output
Power supply signal, and charged according to the power supply signal, to export the first voltage division signal and the second voltage division signal；
First switch module is connect with charging division module, and the first switch module receives first voltage division signal, and root
Second voltage division signal is controlled according to first voltage division signal；And
Second switch module is connect, described second with the charging division module, the front stage circuits and the late-class circuit
Switch module receives second voltage division signal, and is connected or is turned off according to second voltage division signal, to control
State the connection status of front stage circuits and the late-class circuit；
Wherein, the first switch module is when first voltage division signal charging reaches predetermined voltage threshold by described second point
Pressure signal is set to off disconnected voltage threshold signals, and the shutdown voltage threshold signals are closed for controlling the second switch module
It is disconnected.
2. Anti-misoperation circuit as described in claim 1, which is characterized in that the voltage signal input of the charging division module
End is connect with the working voltage source, the first voltage division signal output end of the charging division module and the first switch module
Control terminal connection, it is described charging division module the second voltage division signal output end and the second switch module control terminal connect
It connects；
The first end of the first switch module is connect with the control terminal of the second switch module, the first switch module
Second end and ground line connect, and the first switch module carries out turn-on and turn-off according to first voltage division signal, with control
Connection status between the control terminal and ground line of the second switch module.
3. Anti-misoperation circuit as described in claim 1, which is characterized in that the charging division module includes sequentially concatenated
First resistor unit, second resistance unit and capacitor unit；
The first end of the first resistor unit is connect with the second switch module, the second end of the first resistor unit with
The first end of the second resistance unit is connected to the working voltage source, the second end of the second resistance unit and the electricity altogether
The first end of container unit is connected to the first switch module, the second end ground connection of the capacitor unit altogether.
4. Anti-misoperation circuit as claimed in claim 3, which is characterized in that the Anti-misoperation circuit further include:
Discharge module, the discharge module are in parallel with the second resistance unit.
5. Anti-misoperation circuit as claimed in claim 4, which is characterized in that the discharge module includes first diode, institute
The cathode for stating first diode is connect with the first end of the second resistance unit, the anode of the first diode and described the
The second end of two resistance units connects.
6. Anti-misoperation circuit as described in claim 1, which is characterized in that the first switch module includes first switch
Pipe, the first end of the first switch tube are connect with the second switch module, the second end ground connection of the first switch tube, institute
The third end for stating first switch tube is connect with the charging division module.
7. Anti-misoperation circuit as claimed in claim 6, which is characterized in that the first switch tube is triode or MOS
Pipe.
8. Anti-misoperation circuit as described in claim 1, which is characterized in that the second switch module includes second switch
Pipe, the first end of the second switch are connect with the front stage circuits, the second end of the second switch and the rear class
Circuit connection, the third end of the second switch are connect with the charging division module.
9. Anti-misoperation circuit as claimed in claim 8, which is characterized in that the second switch is triode or MOS
Pipe.
10. a kind of anti-misoperation apparatus, which is characterized in that the anti-misoperation apparatus includes:
Control signal input mouth；
Operating voltage source port；
Control signal output mouth；And
Such as the described in any item Anti-misoperation circuits of claim 1-9, the Anti-misoperation circuit respectively with the control signal
Input port, the operating voltage source port and control signal output mouth connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910649882.7A CN110350902B (en) | 2019-07-18 | 2019-07-18 | Anti-misoperation circuit and anti-misoperation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910649882.7A CN110350902B (en) | 2019-07-18 | 2019-07-18 | Anti-misoperation circuit and anti-misoperation device |
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| CN110350902A true CN110350902A (en) | 2019-10-18 |
| CN110350902B CN110350902B (en) | 2023-01-17 |
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| CN201910649882.7A Active CN110350902B (en) | 2019-07-18 | 2019-07-18 | Anti-misoperation circuit and anti-misoperation device |
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|---|---|---|---|---|
| CN111668810A (en) * | 2020-05-08 | 2020-09-15 | 深圳市优必选科技股份有限公司 | Power supply control circuit and robot |
| CN111708287A (en) * | 2020-05-08 | 2020-09-25 | 深圳市优必选科技股份有限公司 | Power control circuit and robot |
| CN111708287B (en) * | 2020-05-08 | 2023-07-18 | 深圳市优必选科技股份有限公司 | Power supply control circuit and robot |
| CN111668810B (en) * | 2020-05-08 | 2023-08-04 | 深圳市优必选科技股份有限公司 | Power supply control circuit and robot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110350902B (en) | 2023-01-17 |
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