CN108398910A - Double power supply converting switch action state detection circuit and detection method - Google Patents
Double power supply converting switch action state detection circuit and detection method Download PDFInfo
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- CN108398910A CN108398910A CN201810469321.4A CN201810469321A CN108398910A CN 108398910 A CN108398910 A CN 108398910A CN 201810469321 A CN201810469321 A CN 201810469321A CN 108398910 A CN108398910 A CN 108398910A
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- power supply
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- supply converting
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
- G05B2219/21137—Analog to digital conversion, ADC, DAC
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25252—Microprocessor
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2612—Data acquisition interface
Abstract
Double power supply converting switch action state detection circuit and detection method.The action state parameter of on-line checking double power supply converting switch, it is ensured that safe and reliable to be switched fast duplex feeding power supply.Currently, domestic still use mostly《Switch action characteristic test equipment》Preventative experiment and detection are carried out to double power supply converting switch, takes, is laborious.The present invention forms：Cabinet（1）, the cabinet inside is equipped with microprocessor circuit（4）, the microprocessor circuit respectively with data acquisition circuit（3）, memory circuit（5）, 1 interfaces of USB（6）With 2 interfaces of USB（7）Electrical connection, the data acquisition circuit and signal conditioning circuit（2）Electrical connection, the signal conditioning circuit and detection circuit A（8）With detection circuit B（9）Electrical connection.The present invention is applied to the on-line checking of double power supply converting switch action state.
Description
Technical field
The present invention relates to the double power supply automatic switching switch of intelligent grid, and in particular to a kind of double power supply converting switch action
State detection circuit and detection method.
Background technology
With the progress of science and technology, the production of people, life to the continuity of power supply, reliability requirement also increasingly
It is high.Phenomena such as since operation of power networks load is increasing, the line fault caused be'ss also more and more, phase shortage, under-voltage, overcurrent frequency
Take place frequently life.Therefore, it is necessary to application double power supply converting switch to automatically switch often, for two-way independent current source equipment to be important user company
Continuous power supply.Movement speed, action state to double power supply converting switch etc. carry out on-line checking, can effectively ensure in two-way electricity
Realized between source it is safe and reliable be switched fast, reach the continuous power supply of real meaning.Currently, domestic still use mostly《Switch is dynamic
Make characteristic testing equipment》Double power supply converting switch is carried out by repair schedule preventative（It is non-online）Experiment and detection, take,
Arduously, increase the number artificially having a power failure and time.
Invention content
The object of the present invention is to provide a kind of double power supply converting switch action state detection circuit and detection methods.
Above-mentioned purpose is realized by following technical scheme：
A kind of double power supply converting switch action state detection circuit, composition include：Cabinet, the cabinet inside are equipped with micro-
Processor circuit, the microprocessor circuit connect with data acquisition circuit, memory circuit, USB-1 interfaces and USB-2 respectively
Mouth electrical connection, the data acquisition circuit are electrically connected with signal conditioning circuit, the signal conditioning circuit and detection circuit A
It is electrically connected with detection circuit B.
The double power supply converting switch action state detection circuit, the microprocessor circuit includes microcontroller
MSP430, timer, electric power monitor, crystal oscillating circuit, reset circuit and interface circuit etc..
The double power supply converting switch action state detection circuit, the data acquisition circuit include Multi-path synchronous AD
Converter, photoelectric isolating circuit, the model ADS8556 of the Multi-path synchronous AD converter.
The double power supply converting switch action state detection circuit, the detection circuit A include detecting excitatory driving
Electrical quantity sensor A1 and A2, detection handle movement position sensor A3 and A4, detect action moment pressure sensor A5
And A6.
The double power supply converting switch action state detection circuit, the USB-1 interfaces and dual power supply switching control
Device is electrically connected；The USB-2 interfaces are electrically connected with local detection and control terminal, and the local detection and control terminal includes monolithic electromechanics
Road, the single chip circuit are electrically connected with usb circuit, keyboard and LCD circuits and sound light alarming circuit respectively.
The detection method of the double power supply converting switch action state detection circuit, this method comprises the following steps：
1）In order to which correct detection switchs the driven moment, the electricity by the closing coil of the sides double power supply converting switch A is passed
Sensor A1, the electrical quantity sensor A2 by the switching winding of the sides double power supply converting switch A carry out position adjustment and fixation；
2）For the position after correct detection switch motion, to being located at double power supply converting switch A side handle uplinks（It closes a floodgate）End
Position sensor A3, be located at double power supply converting switch A side handle downlinks（Separating brake）The position sensor A4 of end carries out position
It adjusts and fixed；
3）For the action moment of correct detection switch, to being located at double power supply converting switch A side handle uplinks（It closes a floodgate）End with it is upper
Pressure sensor A5 between shell, it is located at double power supply converting switch A side handle downlinks（Separating brake）Pressure between end and lower housing passes
Sensor A6 carries out position adjustment and fixation；
4）With reference to 1）-- 3）Step carries out position adjustment and fixation to each sensor of the sides double power supply converting switch B respectively；
5）The USB-1 interfaces of detection circuit are electrically connected with double power supply converting switch controller, establish state-detection data
Uploading channel；
6）The USB-2 interfaces of detection circuit are connected to the USB interface of local detection and control terminal, establish the exchange of state-detection data
Channel；
7）Go through 1）-- 6）Connection, installation, confirm it is errorless after, detection circuit and local detection and control terminal are powered on, entered
System initialization；
8）Using the setting of keyboard and LCD circuits, the storage of local detection and control terminal：The actual operating distance of double power supply converting switch,
The initial data such as movement speed lower limiting value and action moment critical field for accurate calculating action speed, correctly judge state event
Barrier provides reference frame；
9）Starting state detects：Detection circuit automatically to double power supply converting switch action state visit online comprehensively, in real time
It surveys, conditioning, transformation, acquire and store；
10）Log-on data processing：Local detection and control terminal is according to the switch drive moment of USB-2 interfaces transmission, operating position, action
The numerical value such as pressure, actuating length, it is automatic to calculate, handle and shown on LCD：Actuation time, movement speed and the action of switch
The state parameters such as torque provide the conclusion and acousto-optic alarm of qualitative analysis；
11）Log-on data interacts：Status data is uploaded into double power supply converting switch control by the USB-1 interfaces of detection circuit
Device, through its comprehensive analysis and diagnosis, prioritization scheme sends order, control switch safety, reliable switching；
Beneficial effects of the present invention：
1. the present invention passes through electrical quantity sensor, position sensor and the pressure sensor on double power supply converting switch point
It is other that on-line water flushing, conditioning, conversion and acquisition are carried out to status signals such as time, movement, the torques of double power supply converting switch action,
Judge through microprocessor software, identification, calculate, storage, obtains the detection data of double power supply converting switch action state.Circuit knot
Structure is simple, detection information amount is big, detection speed is fast, real-time is good etc..
2. the usb 1 of the present invention is connected with double power supply converting switch controller, the upload of status data is realized.By double
Power source switching controller according to the control strategy for switching active and standby power supply, by flow set in advance to double power supply converting switch,
Main power source, the real-time status progress network analysis of stand-by power source and fault diagnosis, optimize handover scheme, sequentially send operational order,
It is safe and reliable between guarantee main power source and stand-by power supply to be switched fast, provide continuous power supply for responsible consumer.
3. the USB interface 2 of the present invention can be connected with local detection and control terminal, the communication of state-detection is realized.Through its monolithic
Machine processing, the state parameters such as actuation time, movement speed and action moment of real-time display double power supply converting switch；Switch motion
The status informations such as number, position of the switch memory, on off state instruction, switch fault prompt and sound-light alarm；To on off state
Comprehensive analysis conclusion etc..Have the characteristics that the abundant in content, picture and text of display are clear, alarm, prompt it is eye-catching.
4. the USB interface 2 of the present invention can also be same《Double power supply converting switch actuating characteristic testing equipment》Connection is realized
The teletransmission and exchange of status data.Through its comprehensive, analysis of system, emulation and prediction, quantitative testing result is obtained（Curve,
Number table, conclusion and variation tendency etc.）.Diagnosis in time, the potential faults for excluding double power supply converting switch, it is effective to reduce power failure thing
Therefore further increase the stability and reliability of power supply system operation.
Description of the drawings：
Attached drawing 1 is the circuit structure block diagram of the present invention.
Attached drawing 2 is the microprocessor circuit schematic diagram of the present invention.
Attached drawing 3 is the Multi-path synchronous AD converter circuit diagram of data acquisition circuit of the present invention.
Attached drawing 4 is the detection circuit A structural schematic diagrams of the present invention.
Attached drawing 5 is the local detection and control terminal block diagram of the present invention.
In figure：1-cabinet；2-signal conditioning circuits；3-data acquisition circuits；4-microprocessor circuits；5-storages
Device circuit；6-USB-1 interfaces；7-USB-2 interfaces；8-detection circuit A；9-detection circuit B；10-electrical quantity sensor A1；
11-electrical quantity sensor A2；12-position sensor A3；13-position sensor A4；14-pressure sensor A5；15-pressure
Sensors A 6；16-local detection and control terminals；17-usb circuits；18-single chip circuits；19-keyboards and LCD circuits；
20-sound light alarming circuits.
Specific implementation mode：
Embodiment 1：
A kind of double power supply converting switch action state detection circuit, composition include：Cabinet 1, the cabinet inside are equipped with
Microprocessor circuit 4, the microprocessor circuit respectively with data acquisition circuit 3, memory circuit 5, USB-1 interfaces 6 and
USB-2 interfaces 7 are electrically connected, and the data acquisition circuit is electrically connected with signal conditioning circuit 2, the signal conditioning circuit and
Detection circuit A 8 and detection circuit B 9 is electrically connected.
Embodiment 2：
According to double power supply converting switch action state detection circuit described in embodiment 1, the microprocessor circuit includes single
Piece machine MSP430, timer, electric power monitor, crystal oscillating circuit, reset circuit and interface circuit etc..
Embodiment 3：
According to double power supply converting switch action state detection circuit described in embodiment 1, the data acquisition circuit includes more
Road synchronizes AD converter, photoelectric isolating circuit, the model ADS8556 of the Multi-path synchronous AD converter.
Embodiment 4：
Double power supply converting switch action state detection circuit according to embodiment 1 or 2 or 3, the detection circuit A 8 packets
Include detect excitatory driving electrical quantity sensor A1 10 and A2 11, detection handle movement position sensor A3 12 and A4 13,
The pressure sensor A5 14 and A6 15 of action moment are detected, the signal conditioning circuit is electrically connected with each sensor respectively.
Embodiment 5：
Double power supply converting switch action state detection circuit according to embodiment 1 or 4, the detection circuit B include visiting
Survey the electrical quantity sensor B1 and B2 of excitatory driving, the position sensor B3 and B4 of detection handle movement, the pressure for detecting action moment
Force snesor B5 and B6.
Embodiment 6：
According to double power supply converting switch action state detection circuit described in embodiment 1, the USB-1 interfaces are cut with dual power supply
Changer controller is electrically connected；The USB-2 interfaces are electrically connected with local detection and control terminal 16, and the local detection and control terminal includes single
Piece electromechanics road 18, the single chip circuit respectively with usb circuit 17, keyboard and LCD circuits 19 and sound light alarming circuit
20 electrical connections.
Embodiment 7：
The detection method of double power supply converting switch action state detection circuit according to one of embodiment 1-6, this method packet
Include following steps：
1）In order to which correct detection switchs the driven moment, the electricity by the closing coil of the sides double power supply converting switch A is passed
Sensor A1, the electrical quantity sensor A2 by the switching winding of the sides double power supply converting switch A carry out position adjustment and fixation；
2）For the position after correct detection switch motion, to being located at double power supply converting switch A side handle uplinks（It closes a floodgate）End
Position sensor A3, be located at double power supply converting switch A side handle downlinks（Separating brake）The position sensor A4 of end carries out position
It adjusts and fixed；
3）For the action moment of correct detection switch, to being located at double power supply converting switch A side handle uplinks（It closes a floodgate）End with it is upper
Pressure sensor A5 between shell, it is located at double power supply converting switch A side handle downlinks（Separating brake）Pressure between end and lower housing passes
Sensor A6 carries out position adjustment and fixation；
4）With reference to 1）-- 3）Step carries out position adjustment and fixation to each sensor of the sides double power supply converting switch B respectively；
5）The USB-1 interfaces of detection circuit are electrically connected with double power supply converting switch controller, establish state-detection data
Uploading channel；
6）The USB-2 interfaces of detection circuit are connected to the USB interface of local detection and control terminal, establish the exchange of state-detection data
Channel；
7）Go through 1）-- 6）Connection, installation, confirm it is errorless after, detection circuit and local detection and control terminal are powered on, entered
System initialization；
8）Using the setting of keyboard and LCD circuits, the storage of local detection and control terminal：The actual operating distance of double power supply converting switch,
The initial data such as movement speed lower limiting value and action moment critical field for accurate calculating action speed, correctly judge state event
Barrier provides reference frame；
9）Starting state detects：Detection circuit automatically to double power supply converting switch action state visit online comprehensively, in real time
It surveys, conditioning, transformation, acquire and store；
10）Log-on data processing：Local detection and control terminal is according to the switch drive moment of USB-2 interfaces transmission, operating position, action
The numerical value such as pressure, actuating length, it is automatic to calculate, handle and shown on LCD：Actuation time, movement speed and the action of switch
The state parameters such as torque provide the conclusion and acousto-optic alarm of qualitative analysis；
11）Log-on data interacts：Status data is uploaded into double power supply converting switch control by the USB-1 interfaces of detection circuit
Device, through its comprehensive analysis and diagnosis, prioritization scheme sends order, control switch safety, reliable switching.
Claims (6)
1. a kind of double power supply converting switch action state detection circuit, composition include：Cabinet, it is characterized in that：The cabinet
Inside is equipped with microprocessor circuit, the microprocessor circuit respectively with data acquisition circuit, memory circuit, USB-1
Interface and the electrical connection of USB-2 interfaces, the data acquisition circuit are electrically connected with signal conditioning circuit, signal condition electricity
Road is electrically connected with detection circuit A and detection circuit B.
2. the double power supply converting switch action state detection circuit according to right 1, it is characterized in that：The microprocessor electricity
Road includes microcontroller MSP430, timer, electric power monitor, crystal oscillating circuit, reset circuit and interface circuit etc..
3. the double power supply converting switch action state detection circuit according to right 1, it is characterized in that：The data acquisition electricity
Road includes Multi-path synchronous AD converter, photoelectric isolating circuit, the model ADS8556 of the Multi-path synchronous AD converter.
4. the double power supply converting switch action state detection circuit according to right 1, it is characterized in that：The detection circuit A
Including detecting the electrical quantity sensor A1 and A2 of excitatory driving, the position sensor A3 and A4 of detection handle movement, detection operation force
The pressure sensor A5 and A6 of square.
5. the double power supply converting switch action state detection circuit according to right 1, it is characterized in that：The USB-1 interfaces
It is electrically connected with dual power supply switch controller；The USB-2 interfaces are electrically connected with local detection and control terminal, and the local observing and controlling is whole
End includes single chip circuit, and the single chip circuit is electric with usb circuit, keyboard and LCD circuits and sound-light alarm respectively
Road is electrically connected.
6. a kind of detection method of double power supply converting switch action state detection circuit as described in one of claim 1-5,
It is characterized in：This method comprises the following steps：
1）In order to which correct detection switchs the driven moment, the electricity by the closing coil of the sides double power supply converting switch A is passed
Sensor A1, the electrical quantity sensor A2 by the switching winding of the sides double power supply converting switch A carry out position adjustment and fixation；
2）For the position after correct detection switch motion, to being located at double power supply converting switch A side handle uplinks（It closes a floodgate）End
Position sensor A3, be located at double power supply converting switch A side handle downlinks（Separating brake）The position sensor A4 of end carries out position
It adjusts and fixed；
3）For the action moment of correct detection switch, to being located at double power supply converting switch A side handle uplinks（It closes a floodgate）End with it is upper
Pressure sensor A5 between shell, it is located at double power supply converting switch A side handle downlinks（Separating brake）Pressure between end and lower housing passes
Sensor A6 carries out position adjustment and fixation；
4）With reference to 1）-- 3）Step carries out position adjustment and fixation to each sensor of the sides double power supply converting switch B respectively；
5）The USB-1 interfaces of detection circuit are electrically connected with double power supply converting switch controller, establish state-detection data
Uploading channel；
6）The USB-2 interfaces of detection circuit are connected to the USB interface of local detection and control terminal, establish the exchange of state-detection data
Channel；
7）Go through 1）-- 6）Connection, installation, confirm it is errorless after, detection circuit and local detection and control terminal are powered on, entered
System initialization；
8）Using the setting of keyboard and LCD circuits, the storage of local detection and control terminal：The actual operating distance of double power supply converting switch,
The initial data such as movement speed lower limiting value and action moment critical field for accurate calculating action speed, correctly judge state event
Barrier provides reference frame；
9）Starting state detects：Detection circuit automatically to double power supply converting switch action state visit online comprehensively, in real time
It surveys, conditioning, transformation, acquire and store；
10）Log-on data processing：Local detection and control terminal is according to the switch drive moment of USB-2 interfaces transmission, operating position, action
The numerical value such as pressure, actuating length, it is automatic to calculate, handle and shown on LCD：Actuation time, movement speed and the action of switch
The state parameters such as torque provide the conclusion and acousto-optic alarm of qualitative analysis；
11）Log-on data interacts：Status data is uploaded into double power supply converting switch control by the USB-1 interfaces of detection circuit
Device, through its comprehensive analysis and diagnosis, prioritization scheme sends order, control switch safety, reliable switching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810469321.4A CN108398910A (en) | 2018-05-16 | 2018-05-16 | Double power supply converting switch action state detection circuit and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810469321.4A CN108398910A (en) | 2018-05-16 | 2018-05-16 | Double power supply converting switch action state detection circuit and detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108398910A true CN108398910A (en) | 2018-08-14 |
Family
ID=63102111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810469321.4A Pending CN108398910A (en) | 2018-05-16 | 2018-05-16 | Double power supply converting switch action state detection circuit and detection method |
Country Status (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112004236A (en) * | 2020-08-25 | 2020-11-27 | 大连市共进科技有限公司 | Uncapping detection method and device, computer equipment and readable storage medium |
| CN113168132A (en) * | 2020-06-01 | 2021-07-23 | 龚柱 | Method and device for collecting and measuring switching time of double-power-supply change-over switch contact |
| CN113196071A (en) * | 2020-06-01 | 2021-07-30 | 龚柱 | Method and device for detecting synchronism of contacts of dual-power transfer switch |
| CN117148134A (en) * | 2023-09-12 | 2023-12-01 | 容磁(浙江)科技有限公司 | Power supply change-over switch position detection device, circuit and power supply change-over switch |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080203818A1 (en) * | 2007-02-27 | 2008-08-28 | Kinpo Electronics, Inc. | Double power sources switching circuit |
| CN101419442A (en) * | 2008-12-08 | 2009-04-29 | 浙江大学 | Portable elevator dynamic characteristic data acquisition unit based on USB interface |
| CN202837499U (en) * | 2012-10-29 | 2013-03-27 | 成都讯易达通信设备有限公司 | Testing device for mechanical characteristics in grid circuit breakers |
| CN203827056U (en) * | 2014-04-14 | 2014-09-10 | 国家电网公司 | DC power fast-switching device |
| CN205681181U (en) * | 2016-06-24 | 2016-11-09 | 北京川江电力设备有限公司 | A kind of Dual-power automatic switching controller |
| CN206099511U (en) * | 2016-08-31 | 2017-04-12 | 郑州众智科技股份有限公司 | Two switching of power and protection device with group battery monitoring function |
| CN106950492A (en) * | 2017-03-12 | 2017-07-14 | 武汉市欧睿科技有限公司 | Portable high-pressure switchs dynamic characteristics tester |
| CN206369559U (en) * | 2017-06-07 | 2017-08-01 | 国家电网公司 | A kind of USB interface-based equipment condition monitoring and fault location system |
| CN107204661A (en) * | 2016-03-16 | 2017-09-26 | 重庆瑞升康博电气有限公司 | Three-phase intelligent seamless auto switching device for dual-electric source |
| CN107863819A (en) * | 2017-12-27 | 2018-03-30 | 哈尔滨朗昇电气股份有限公司 | Dual power supply switch controller and control method |
| CN208110339U (en) * | 2018-05-16 | 2018-11-16 | 哈尔滨朗昇电气股份有限公司 | Double power supply converting switch action state detection circuit |
-
2018
- 2018-05-16 CN CN201810469321.4A patent/CN108398910A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080203818A1 (en) * | 2007-02-27 | 2008-08-28 | Kinpo Electronics, Inc. | Double power sources switching circuit |
| CN101419442A (en) * | 2008-12-08 | 2009-04-29 | 浙江大学 | Portable elevator dynamic characteristic data acquisition unit based on USB interface |
| CN202837499U (en) * | 2012-10-29 | 2013-03-27 | 成都讯易达通信设备有限公司 | Testing device for mechanical characteristics in grid circuit breakers |
| CN203827056U (en) * | 2014-04-14 | 2014-09-10 | 国家电网公司 | DC power fast-switching device |
| CN107204661A (en) * | 2016-03-16 | 2017-09-26 | 重庆瑞升康博电气有限公司 | Three-phase intelligent seamless auto switching device for dual-electric source |
| CN205681181U (en) * | 2016-06-24 | 2016-11-09 | 北京川江电力设备有限公司 | A kind of Dual-power automatic switching controller |
| CN206099511U (en) * | 2016-08-31 | 2017-04-12 | 郑州众智科技股份有限公司 | Two switching of power and protection device with group battery monitoring function |
| CN106950492A (en) * | 2017-03-12 | 2017-07-14 | 武汉市欧睿科技有限公司 | Portable high-pressure switchs dynamic characteristics tester |
| CN206369559U (en) * | 2017-06-07 | 2017-08-01 | 国家电网公司 | A kind of USB interface-based equipment condition monitoring and fault location system |
| CN107863819A (en) * | 2017-12-27 | 2018-03-30 | 哈尔滨朗昇电气股份有限公司 | Dual power supply switch controller and control method |
| CN208110339U (en) * | 2018-05-16 | 2018-11-16 | 哈尔滨朗昇电气股份有限公司 | Double power supply converting switch action state detection circuit |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113168132A (en) * | 2020-06-01 | 2021-07-23 | 龚柱 | Method and device for collecting and measuring switching time of double-power-supply change-over switch contact |
| CN113196071A (en) * | 2020-06-01 | 2021-07-30 | 龚柱 | Method and device for detecting synchronism of contacts of dual-power transfer switch |
| CN113168132B (en) * | 2020-06-01 | 2024-04-30 | 龚柱 | Dual-power transfer switch contact switching time acquisition and measurement method and device thereof |
| CN112004236A (en) * | 2020-08-25 | 2020-11-27 | 大连市共进科技有限公司 | Uncapping detection method and device, computer equipment and readable storage medium |
| CN112004236B (en) * | 2020-08-25 | 2023-12-01 | 大连市共进科技有限公司 | Uncovering detection method, uncovering detection device, computer equipment and readable storage medium |
| CN117148134A (en) * | 2023-09-12 | 2023-12-01 | 容磁(浙江)科技有限公司 | Power supply change-over switch position detection device, circuit and power supply change-over switch |
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