CN110350902B - Anti-misoperation circuit and anti-misoperation device - Google Patents
Anti-misoperation circuit and anti-misoperation device Download PDFInfo
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- CN110350902B CN110350902B CN201910649882.7A CN201910649882A CN110350902B CN 110350902 B CN110350902 B CN 110350902B CN 201910649882 A CN201910649882 A CN 201910649882A CN 110350902 B CN110350902 B CN 110350902B
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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
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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
- H03K17/687—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
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- 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 utility model is suitable for an electron technical field provides a prevent maloperation circuit and prevent maloperation device, receives through the partial pressure module that charges the power supply signal of operating voltage source output, and according to power supply signal charges to export first partial pressure signal and second partial pressure signal, wherein, first switch module is in first partial pressure signal switches on when charging and reaching default voltage threshold, will second partial pressure signal sets up to turn-off voltage threshold signal, second switch module receives turn-off voltage threshold signal turns off, thereby reaches control preceding stage circuit with the connection status's of back stage circuit purpose to no longer receive the control signal of preceding stage circuit output after the start-up of back stage circuit, avoided preceding stage circuit to take place the influence of maloperation to back stage circuit, solved the problem that leads to back stage circuit maloperation when preceding stage circuit maloperation to appear.
Description
Technical Field
The application belongs to the technical field of electronics, and in particular relates to an anti-misoperation circuit and an anti-misoperation device.
Background
Along with the rapid development of industrial automation, the intellectualization of electronic equipment is continuously improved, the electronic equipment is used more and more in various related fields, and the safety problem generated along with the electronic equipment is paid more attention by people. In some electronic device applications, the rear-stage circuit is required to be unaffected by a signal of the front-stage circuit after being started, and in this case, if the signal of the front-stage circuit still sends a signal to the rear-stage circuit after being started, the rear-stage circuit may malfunction or be damaged.
However, the former stage control and the latter stage execution circuit of the existing circuit usually adopt a direct connection mode, and the problem that the former stage misoperation causes the wrong execution of the latter stage circuit exists.
Disclosure of Invention
An object of the application is to provide a prevent maloperation circuit and prevent maloperation device, aim at solving the preceding stage control of current circuit and the problem that exists in the later stage executive circuit and lead to later stage circuit misexecution when the preceding stage circuit maloperation appears.
The application provides a prevent maloperation circuit, with preceding stage circuit, working voltage source and back stage circuit connection, prevent maloperation circuit and include:
the charging voltage division module is connected with the working voltage source, receives a power supply signal output by the working voltage source, and charges according to the power supply signal to output a first voltage division signal and a second voltage division signal;
the first switch module is connected with the charging voltage division module, receives the first voltage division signal and conducts and cuts off according to the first voltage division signal; and
the second switch module is connected with the charging voltage division module, the preceding-stage circuit and the subsequent-stage circuit, receives the second voltage division signal, and conducts or shuts off according to the second voltage division signal so as to control the connection state of the preceding-stage circuit and the subsequent-stage circuit;
the first switch module is turned on when the first voltage division signal reaches a preset voltage threshold value after being charged, and the second voltage division signal is set as a turn-off voltage threshold value signal which is used for controlling the second switch module to be turned off.
Optionally, the charging voltage-dividing module includes a first resistance unit, a second resistance unit, and a capacitor unit, which are sequentially connected in series;
the first end of the first resistance unit is connected with the second switch module, the second end of the first resistance unit and the first end of the second resistance unit are connected with the working voltage source in a shared mode, the second end of the second resistance unit and the first end of the capacitor unit are connected with the first switch module in a shared mode, and the second end of the capacitor unit is grounded.
The application also provides a prevent mistake operating means, prevent mistake operating means includes:
a control signal input port;
a working voltage source port;
a control signal output port; and
the anti-misoperation circuit according to any one of the above claims, wherein the anti-misoperation circuit is connected to the control signal input port, the working voltage source port and the control signal output port respectively.
The application provides a prevent maloperation circuit and prevent maloperation device receives through the partial pressure module that charges the signal of operating voltage source output, and according to signal charges to export first partial pressure signal and second partial pressure signal, wherein, first switch module is in first partial pressure signal charges and switches on when reaching preset voltage threshold, will second partial pressure signal sets up to shutoff voltage threshold signal, second switch module receives shutoff voltage threshold signal turns off, thereby reaches control preceding stage circuit with the connection status's of rear stage circuit purpose to no longer receive the control signal of preceding stage circuit output after the starting of rear stage circuit, avoided preceding stage circuit to take place the influence of maloperation to the rear stage circuit, solved the problem that leads to the post stage circuit maloperation to carry out when preceding stage circuit appears the maloperation.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a block diagram of an anti-misoperation circuit provided in an embodiment of the present application.
Fig. 2 is a schematic circuit structure diagram of an anti-misoperation circuit provided in an embodiment of the present application.
Fig. 3 is a schematic circuit structure diagram of an anti-misoperation circuit according to another embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
In order to explain the technical solutions of the present application, the following detailed descriptions are made with reference to specific drawings and examples.
The present application will now be described in detail with reference to the drawings and specific examples.
Fig. 1 is a schematic structural diagram of an anti-misoperation circuit provided in an embodiment of the present application, and as shown in fig. 1, the anti-misoperation circuit in this embodiment is connected to a front-stage circuit 11, a working voltage source 12, and a rear-stage circuit 13, and the anti-misoperation circuit includes:
the charging voltage division module 21 is connected with the working voltage source 12, and the charging voltage division module 21 receives a power supply signal output by the working voltage source 12 and charges according to the power supply signal to output a first voltage division signal and a second voltage division signal;
the first switch module 21 is connected with the charging voltage division module 21, and the first switch module 21 receives the first voltage division signal and conducts and shuts off according to the first voltage division signal; and
a second switch module 22, connected to the charging voltage dividing module 21, the preceding stage circuit 11, and the following stage circuit 13, where the second switch module 22 receives the second voltage dividing signal and turns on or off according to the second voltage dividing signal to control a connection state of the preceding stage circuit 11 and the following stage circuit 13;
the first switch module 21 is turned on when the first voltage division signal reaches a preset voltage threshold value, and sets the second voltage division signal as a turn-off voltage threshold signal, where the turn-off voltage threshold signal is used to control the second switch module 22 to turn off.
In this embodiment, the charging voltage dividing module 21 receives the power signal output by the operating voltage source 12, and charges according to the power signal to output a corresponding first voltage dividing signal and a corresponding second voltage dividing signal, at this time, the voltage of the first voltage dividing signal gradually increases from a low level to a charging voltage threshold as the charging time of the charging voltage dividing module 21 increases, the charging voltage threshold is a maximum voltage value of the first voltage dividing signal, when the charging voltage dividing module 21 receives the power signal, the first voltage dividing signal is a low level, the first switch module 21 is in an off state, the second voltage dividing signal is a high level, the second switch module 22 is in an on state, the preceding circuit 11 is in conduction with the following circuit 13, when the voltage of the first voltage dividing signal gradually increases to a preset voltage threshold as the charging time of the charging voltage dividing module 21, the first switch module 21 is in an on state, the second voltage dividing signal is set as an off voltage threshold signal, the off voltage threshold signal may be a low level, and specifically, the off voltage threshold signal is used to control the second switch module 22, the circuit 11 is in a state between the following circuit 13, and the preceding circuit 11 does not affect the effect of the preceding circuit 13 after the preceding circuit 11 is not affected, thereby the preceding circuit 11.
In one embodiment, the time for which the voltage of the first voltage division signal rises from the low level to the preset voltage threshold may be set according to user requirements, and specifically, the charging time of the charging voltage division module 21 is set by setting parameters of a capacitor in the charging voltage division module 21.
In one embodiment, a voltage signal input terminal of the charging voltage-dividing module 21 is connected to the working voltage source 12, a first voltage-dividing signal output terminal of the charging voltage-dividing module 21 is connected to a control terminal of the first switch module 22, and a second voltage-dividing signal output terminal of the charging voltage-dividing module 21 is connected to a control terminal of the second switch module 23;
a first end of the first switch module 22 is connected to a control end of the second switch module 23, a second end of the first switch module 22 is connected to a ground line, and the first switch module 22 is turned on and off according to the first voltage division signal to control a connection state between the control end of the second switch module 23 and the ground line.
In this embodiment, as the charging time increases, the output first voltage division signal gradually increases, when the first voltage division signal reaches the preset voltage threshold, the first switch module 22 is turned on, at this time, the control terminal of the second switch module 23 is connected to the ground line, the second voltage division signal is pulled down to 0V, and the second switch module 23 is turned off, so that the front-stage circuit 11 and the rear-stage circuit 13 are disconnected, and the technical effect that the rear-stage circuit 13 is no longer influenced by the front-stage circuit 11 after the circuit is started is achieved.
In one embodiment, referring to fig. 2, the charging voltage-dividing module 21 includes a first resistance unit 201, a second resistance unit 202, and a capacitor unit 203 connected in series in sequence;
a first end of the first resistor unit 201 is connected to the second switch module 22, a second end of the first resistor unit 201 and a first end of the second resistor unit 202 are commonly connected to the operating voltage source 12, a second end of the second resistor unit 202 and a first end of the capacitor unit 203 are commonly connected to the first switch module 21, and a second end of the capacitor unit 203 is grounded.
In this embodiment, the second end of the first resistance unit 201 and the first end of the second resistance unit 202 are connected to the working voltage source 12 in common, and are configured to receive the power signal output by the working voltage source 12, and output a second voltage division signal through the first end of the first resistance unit 201, at this time, the second voltage division signal is subjected to the voltage division effect of the first resistance unit 201 and the second resistance unit 202 to generate a voltage amplification effect, so that the voltage value of the second voltage division signal is greater than the voltage value of the power signal, the first end of the capacitor unit 203 and the second end of the second resistance unit 202 are connected to the first switch module 21 in common, and send the first voltage division signal to the first switch module 21, after the control end of the first switch module 21 receives the first voltage division signal, specifically, when the voltage value of the first voltage division signal is greater than or equal to the preset voltage threshold, the first end and the second end of the first switch module 21 are turned on, because the second end of the first switch module 21 is grounded, the first end of the first switch module 21 is connected to the first end of the first resistance unit 201 and the control end of the second switch module 22, the voltage of the second voltage division signal is pulled to the ground, the second switch module 22 is turned off, the front-stage circuit 11 and the rear-stage short circuit are turned off, and when the voltage value of the first voltage division signal is smaller than the preset voltage threshold, the first end and the second end of the first switch module 21 are turned off.
In this embodiment, by adjusting the parameter of the capacitor unit 203, the purpose of adjusting the charging time of the charging voltage-dividing module 21 can be achieved, and meanwhile, the charging voltage threshold of the charging voltage-dividing module 21 can also be adjusted, where the charging voltage threshold is the maximum value of the first voltage-dividing signal.
In one embodiment, the first resistor unit 201 is composed of any one of a resistor, a plurality of resistors connected in series, a plurality of resistors connected in parallel, and a plurality of resistors connected in series and parallel, for example, in one embodiment, referring to fig. 2, the first resistor unit 201 includes a first resistor R1, a first end of the first resistor R1 is connected to the second switch module 22, and a second end of the first resistor R1 is connected to the second resistor unit 202.
In one embodiment, the second resistance unit 202 may be composed of any one of a resistor, a plurality of resistors connected in series, a plurality of resistors connected in parallel, and a plurality of resistors connected in series and parallel, for example, in one embodiment, referring to fig. 2, the second resistance unit 202 includes a second resistor R2, a first end of the second resistor R2 is connected to the first resistance unit 201, and a second end of the second resistor R2 is connected to the capacitor unit 203.
In one embodiment, the capacitor unit 203 may be composed of any one of a capacitor, a plurality of capacitors connected in series, a plurality of capacitors connected in parallel, and a plurality of capacitors connected in series and parallel, for example, in one embodiment, referring to fig. 2, the capacitor unit 203 includes a first capacitor C1, a first end of the first capacitor C1 is connected to the second resistor unit 202, and a second end of the first capacitor C1 is grounded.
In one embodiment, the capacitor unit 203 may also be formed by a plurality of capacitors connected in series or in parallel.
In one embodiment, referring to fig. 3, the anti-misoperation circuit further comprises:
a discharge module 24, wherein the discharge module 24 is connected in parallel with the second resistance unit 202.
In this embodiment, the capacitor unit 203 can discharge through the discharging module 24 when the circuit is turned off, so as to avoid the operating voltage source 12 from generating a high induced voltage at the moment of turning off to damage electronic components in the circuit.
In one embodiment, referring to fig. 3, the discharge module 24 includes a first diode D1, a cathode of the first diode D1 is connected to the first end of the second resistance unit 202, and an anode of the first diode D1 is connected to the second end of the second resistance unit 202.
In this embodiment, the first diode D1 is connected in parallel with the second resistor unit 202 in an opposite direction, so that a loop can be provided for the induced current generated by the capacitor unit 203 at the moment of power failure, and the first diode D1 can function as a discharge diode or an absorption diode, so that the induced current generated by the capacitor unit 203 is discharged when the circuit is powered off, and the induced voltage generated by the capacitor unit 203 at the moment of power failure is prevented from influencing the circuit or damaging electronic components.
In one embodiment, the first switch module 21 includes a first switch tube M1, a first end of the first switch tube M1 is connected to the second switch module 22, a second end of the first switch tube M1 is grounded, and a third end of the first switch tube M1 is connected to the charging voltage dividing module 21.
In this embodiment, a first end of the first switching tube M1 is used as a first end of the first switching module 21, a second end of the first switching tube M1 is used as a second end of the first switching module 21, and a third end of the first switching tube M1 is used for controlling the first switching module 21, where the first switching tube M1 is an active device, the third end of the first switching tube M1 is configured to receive a first voltage division signal and control a connection state of the first end and the second end of the first switching tube M1 according to a voltage magnitude of the control signal, when the first voltage division signal is greater than or equal to a preset voltage threshold, the first switching tube M1 is turned on, and when the first voltage division signal is smaller than the preset voltage threshold, the first switching tube M1 is turned off.
In one embodiment, the first switch transistor M1 may be a transistor or a MOS transistor. For example, the first switch tube M1 may be an N-type MOS tube, wherein a drain of the N-type MOS tube serves as the first end of the first switch tube M1, a source of the N-type MOS tube serves as the second end of the first switch tube M1, and a gate of the N-type MOS tube serves as the third end of the first switch tube M1.
In one embodiment, the first switch tube M1 may be an NPN transistor, wherein a collector of the NPN transistor serves as the first end of the first switch tube M1, an emitter of the NPN transistor serves as the second end of the first switch tube M1, and a base of the NPN transistor serves as the third end of the first switch tube M1.
In one embodiment, the second switch module 22 includes a second switch tube M2, a first end of the second switch tube M2 is connected to the front-stage circuit 11, a second end of the second switch tube M2 is connected to the rear-stage circuit 13, and a third end of the second switch tube M2 is connected to the charging voltage-dividing module 21.
In this embodiment, the first end of the second switch tube M2 is used as the first end of the second switch tube M2, the second end of the second switch tube M2 is used as the second end of the second switch module 22, and the third end of the second switch tube M2 is used as the third end of the second switch module 22, and is configured to receive the second voltage division signal, when the second voltage division signal is at a high level, the second switch tube M2 is turned on, and when the second voltage division signal is at a low level, the second switch tube M2 is turned off.
In one embodiment, the second switch M2 may be a transistor or a MOS transistor. The second switch tube M2 may be an N-type MOS tube, wherein a drain of the N-type MOS tube serves as a first end of the second switch tube M2, a source of the N-type MOS tube serves as a second end of the second switch tube M2, and a gate of the N-type MOS tube serves as a third end of the second switch tube M2.
In an embodiment, the second switch tube M2 may also be an NPN type triode, wherein a collector of the NPN type triode serves as the first end of the second switch tube M2, an emitter of the NPN type triode serves as the second end of the second switch tube M2, and a base of the NPN type triode serves as the third end of the second switch tube M2.
The application also provides a prevent mistake operating means, prevent mistake operating means includes:
a control signal input port;
a working voltage source port;
a control signal output port; and
the anti-misoperation circuit according to any one of the above claims, wherein the anti-misoperation circuit is connected to the control signal input port, the working voltage source port and the control signal output port respectively.
In the present embodiment, the control signal input port is used for connecting with the front-stage circuit 11, the working voltage source port is used for connecting with the working voltage source 12, and the control signal output port is used for connecting with the rear-stage circuit 13.
The application provides a prevent maloperation circuit and prevent maloperation device receives through the partial pressure module that charges the signal of operating voltage source output, and according to signal charges to export first partial pressure signal and second partial pressure signal, wherein, first switch module is in first partial pressure signal charges and switches on when reaching preset voltage threshold, will second partial pressure signal sets up to shutoff voltage threshold signal, second switch module receives shutoff voltage threshold signal turns off, thereby reaches control preceding stage circuit with the connection status's of rear stage circuit purpose to no longer receive the control signal of preceding stage circuit output after the starting of rear stage circuit, avoided preceding stage circuit to take place the influence of maloperation to the rear stage circuit, solved the problem that leads to the post stage circuit maloperation to carry out when preceding stage circuit appears the maloperation.
The present application is intended to cover various modifications, equivalent arrangements, and adaptations, which may be made within the spirit and scope of the present application.
Claims (10)
1. The utility model provides a prevent maloperation circuit, is connected with preceding stage circuit, operating voltage source and back stage circuit, its characterized in that, prevent maloperation circuit includes:
the charging voltage division module is connected with the working voltage source, receives a power supply signal output by the working voltage source, and charges according to the power supply signal to output a first voltage division signal and a second voltage division signal;
the first switch module is connected with the charging voltage division module, receives the first voltage division signal and controls the second voltage division signal according to the first voltage division signal; and
the second switch module is connected with the charging voltage division module, the preceding stage circuit and the rear stage circuit, receives the second voltage division signal, and conducts or shuts off according to the second voltage division signal so as to control the connection state of the preceding stage circuit and the rear stage circuit;
the first switch module sets the second voltage division signal as a turn-off voltage threshold signal when the first voltage division signal reaches a preset voltage threshold after being charged, and the turn-off voltage threshold signal is used for controlling the second switch module to be turned off.
2. The anti-misoperation circuit according to claim 1, wherein a voltage signal input end of the charging voltage division module is connected with the working voltage source, a first voltage division signal output end of the charging voltage division module is connected with a control end of the first switch module, and a second voltage division signal output end of the charging voltage division module is connected with a control end of the second switch module;
the first end of the first switch module is connected with the control end of the second switch module, the second end of the first switch module is connected with the grounding wire, and the first switch module is switched on and off according to the first voltage division signal so as to control the connection state between the control end of the second switch module and the grounding wire.
3. The anti-misoperation circuit according to claim 1, wherein the charging voltage-dividing module comprises a first resistance unit, a second resistance unit and a capacitor unit which are connected in series in sequence;
the first end of the first resistance unit is connected with the second switch module, the second end of the first resistance unit and the first end of the second resistance unit are connected with the working voltage source in a shared mode, the second end of the second resistance unit and the first end of the capacitor unit are connected with the first switch module in a shared mode, and the second end of the capacitor unit is grounded.
4. The anti-misoperation circuit of claim 3, further comprising:
a discharge module connected in parallel with the second resistance unit.
5. The anti-misoperation circuit according to claim 4, wherein the discharge module comprises a first diode, a cathode of the first diode is connected with the first end of the second resistance unit, and an anode of the first diode is connected with the second end of the second resistance unit.
6. The anti-misoperation circuit according to claim 1, wherein the first switch module comprises a first switch tube, a first end of the first switch tube is connected with the second switch module, a second end of the first switch tube is grounded, and a third end of the first switch tube is connected with the charging voltage-dividing module.
7. The anti-misoperation circuit according to claim 6, wherein the first switching tube is a triode or a MOS tube.
8. The anti-misoperation circuit according to claim 1, wherein the second switch module comprises a second switch tube, a first end of the second switch tube is connected with the front-stage circuit, a second end of the second switch tube is connected with the rear-stage circuit, and a third end of the second switch tube is connected with the charging voltage-dividing module.
9. The circuit of claim 8, wherein the second switch tube is a transistor or a MOS transistor.
10. An anti-misoperation device, characterized in that the anti-misoperation device comprises:
a control signal input port;
a working voltage source port;
a control signal output port; and
the anti-misoperation circuit of any one of claims 1-9, the anti-misoperation circuit being connected to the control signal input port, the working voltage source port and the control signal output port, respectively.
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 |
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| 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 CN110350902A (en) | 2019-10-18 |
| CN110350902B true 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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| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009044709A (en) * | 2007-07-17 | 2009-02-26 | Renesas Technology Corp | Semiconductor device |
| CN204721206U (en) * | 2015-06-30 | 2015-10-21 | 深圳市科姆龙电气技术有限公司 | Anti-interference type transducer drive control circuit |
| CN206452321U (en) * | 2017-01-17 | 2017-08-29 | 深圳市瑞必达科技有限公司 | A kind of low voltage start circuit |
| CN208158102U (en) * | 2018-05-30 | 2018-11-27 | 广东美芝制冷设备有限公司 | Switching Power Supply and its switching tube protection circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5020307B2 (en) * | 2009-12-07 | 2012-09-05 | 三菱電機株式会社 | Electric load drive control device |
-
2019
- 2019-07-18 CN CN201910649882.7A patent/CN110350902B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009044709A (en) * | 2007-07-17 | 2009-02-26 | Renesas Technology Corp | Semiconductor device |
| CN204721206U (en) * | 2015-06-30 | 2015-10-21 | 深圳市科姆龙电气技术有限公司 | Anti-interference type transducer drive control circuit |
| CN206452321U (en) * | 2017-01-17 | 2017-08-29 | 深圳市瑞必达科技有限公司 | A kind of low voltage start circuit |
| CN208158102U (en) * | 2018-05-30 | 2018-11-27 | 广东美芝制冷设备有限公司 | Switching Power Supply and its switching tube protection circuit |
Non-Patent Citations (2)
| Title |
|---|
| DSO通道与触发电路模块设计研究;涂建;《中国优秀硕士学位论文全文数据库（电子期刊）》;20110315;全文 * |
| Innovation of Switched-Capacitor Voltage Multiplier: Part 2: Fundamentals of the Charge Pump;Toru Tanzawa等;《 IEEE solid-state circuits magazine》;20161231;全文 * |
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