CN208506207U - A kind of terminal remote control circuit self-diagnosis unit switches - Google Patents
A kind of terminal remote control circuit self-diagnosis unit switches Download PDFInfo
- Publication number
- CN208506207U CN208506207U CN201821210377.XU CN201821210377U CN208506207U CN 208506207 U CN208506207 U CN 208506207U CN 201821210377 U CN201821210377 U CN 201821210377U CN 208506207 U CN208506207 U CN 208506207U
- Authority
- CN
- China
- Prior art keywords
- circuit
- electrically connected
- remote control
- switch
- coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Selective Calling Equipment (AREA)
Abstract
The utility model discloses a kind of terminal remote control circuit self-diagnosis unit switches, include: opening coil decision circuitry, close position switch, energy storage coil detection circuit, timing pulse generation circuit, closing coil decision circuitry and divide position switch, opening coil decision circuitry and closing coil decision circuitry are respectively electrically connected to timing pulse generation circuit, close position switch and position switch is divided to be respectively electrically connected to energy storage coil detection circuit；Self-diagnosis unit switches are set in Power System Intelligent terminal, existing be remotely controlled are equipped in intelligent terminal, prewired circuit, remote control point circuit, tank circuit, remote control is divided to close prewired circuit and remote control conjunction circuit；Self-diagnosis unit switches are also electrically connected with on-pole switch, and existing travel switch, opening coil, energy storage coil and closing coil are equipped in on-pole switch.The utility model can whether the circuit of diagnosis control separating brake and combined floodgate abnormal in day-to-day operation as a result, it is ensured that when needing separating brake can timely and effectively separating brake, can timely and effectively close a floodgate when needing to close a floodgate.
Description
Technical field
It uses and is remotely controlled back the utility model relates to the secondary device control technology field of electric system more particularly to a kind of terminal
Road self-diagnosis unit switches.
Background technique
In Power System Intelligent terminal, it is usually provided with " five is distant " function of dispatching automation, that is, telemetering, remote signalling, distant
Control, remote regulating and remote viewing.Wherein, remote control (Tele-Controlling, TC) refers to long-range control: it refers in electric power system dispatching
The heart issues order, to realize operation and switching to power plant, substation's electrical component.Such as to on-pole switch carry out " control point " and
" control is closed ".The on-pole switch may be, for example: disconnecting switch etc. on pole-mounted circuit breaker, column load switch or column, " control point " just
Being dispatcher carries out sub-switching operation to on-pole switch in control centre, " control is closed " be then dispatcher in control centre to on-pole switch
Carry out closing operation.
If under original state, on-pole switch be " coincidence ", then intelligent terminal should periodically detect control separating brake circuit whether
It is abnormal, separating brake can be timely and effectively carried out when to ensure to need to be implemented sub-switching operation；Conversely, if under original state, on column
Switch is " quartile ", then whether abnormal intelligent terminal should periodically detect the circuit that control is closed a floodgate, to ensure to need to be implemented combined floodgate
It can timely and effectively close a floodgate when operation.
This field needs a kind of unit for being able to carry out remote control circuit self diagnosis as a result, for diagnosing in day-to-day operation
Whether the circuit for controlling separating brake and control combined floodgate is abnormal.
Utility model content
In order to overcome the drawbacks of the prior art, the technical problem to be solved by the utility model is to how to realize daily
The whether abnormal this functionality in the circuit that diagnosis control separating brake and control are closed a floodgate in operation, energy when ensuring to need to be implemented sub-switching operation
It can timely and effectively close a floodgate when enough timely and effectively carrying out separating brake, and needing to be implemented closing operation.
In order to solve the above technical problems, the technical scheme adopted by the utility model is:
A kind of terminal remote control circuit self-diagnosis unit switches, comprising: opening coil decision circuitry closes position switch, energy storage line
It encloses detection circuit, timing pulse generation circuit, closing coil decision circuitry and divides position switch, wherein
The opening coil decision circuitry and closing coil decision circuitry are respectively electrically connected to the commutator pulse and electricity occur
Road, the conjunction position switch and divides position switch to be respectively electrically connected to the energy storage coil detection circuit；
The terminal is set in Power System Intelligent terminal with remote control circuit self-diagnosis unit switches, is also set in the intelligent terminal
Having existing remote control to divide, prewired circuit, remote control point circuit, tank circuit, prewired circuit is closed in remote control and circuit is closed in remote control, wherein
The remote control divides prewired circuit, a remote control point circuit to be respectively electrically connected to the opening coil decision circuitry, the tank circuit electricity
It is connected to the energy storage coil detection circuit, prewired circuit is closed in the remote control, remote control closes circuit and is respectively electrically connected to the combined floodgate
Coil decision circuitry；
The terminal is also electrically connected with on-pole switch with remote control circuit self-diagnosis unit switches, is equipped in the on-pole switch existing
Travel switch, opening coil, energy storage coil and closing coil, wherein the opening coil decision circuitry, close position switch
It is respectively electrically connected to the switch quartile normally-closed contact of the travel switch, the closing coil decision circuitry divides position switch point
It is not electrically connected to the switch coincidence normally opened contact of the travel switch, the opening coil decision circuitry, conjunction position switch also divide
It is not electrically connected to the opening coil, the closing coil decision circuitry divides position switch to be also respectively electrically connected to the combined floodgate
Coil；The energy storage coil is electrically connected to the energy storage coil detection circuit.
Based on the above technical solution, the utility model can also do following improvement.
Further, the opening coil decision circuitry includes: tri-state gate G1, resistance R1~R4, triode T1, optocoupler
OC1, OC2 and relay K1, K2, wherein the control enable end of the tri-state gate G1 divides prewired circuit to be electrically connected with the remote control
It connects, receives the remote control that the remote control divides prewired circuit to issue and divide preset signal；The input terminal of the tri-state gate G1 and the timing
Pulse generating circuit electrical connection receives the timing pulse signal that the timing pulse generation circuit issues；The tri-state gate G1's
Output end is electrically connected to the first end of resistance R1, and the second end of the resistance R1 is electrically connected to the base stage of triode T1, and described three
The collector of pole pipe T1 is electrically connected to the second input terminal of optocoupler OC1, emitter ground connection；The first input end of the optocoupler OC1
The 5V power supply of the intelligent terminal is electrically connected to by resistance R2, the first output end of the optocoupler OC1 passes through relay K1 electricity
It is connected to the 12V power supply of the intelligent terminal, the second output terminal of the optocoupler OC1 is with connecing equipment；The line of the relay K1
It is electrically connected after circle one diode D1 of part in parallel, with the optocoupler OC1, contact sets part is then normal with the switch quartile of on-pole switch
Closed contact S1 electrical connection, the switch quartile normally-closed contact S1 are electrically connected to conjunction position switch, the conjunction position switch electrical connection
To the opening coil；The opening coil is grounded by optocoupler OC2, resistance R4, and the optocoupler OC2 passes through relay K2, electricity
Resistance R3 is electrically connected to the 24V power supply of the intelligent terminal, the coiler part one diode D2 of parallel connection of the relay K2, contact sets
Part is electrically connected to the remote control point circuit.
Further, the closing coil decision circuitry includes: tri-state gate G2, resistance R5~R8, triode T2, optocoupler
OC3, OC4 and relay K3, K4, wherein close prewired circuit with the remote control and be electrically connected in the control enable end of the tri-state gate G2
It connects, receives the remote control and close the remote control conjunction preset signal that prewired circuit issues；The input terminal of the tri-state gate G2 and the timing
Pulse generating circuit electrical connection receives the timing pulse signal that the timing pulse generation circuit issues；The tri-state gate G2's
Output end is electrically connected to the first end of resistance R5, and the second end of the resistance R5 is electrically connected to the base stage of triode T2, and described three
The collector of pole pipe T2 is electrically connected to the second input terminal of optocoupler OC3, emitter ground connection；The first input end of the optocoupler OC3
The 5V power supply of the intelligent terminal is electrically connected to by resistance R6, the first output end of the optocoupler OC3 passes through relay K3 electricity
It is connected to the 12V power supply of the intelligent terminal, the second output terminal of the optocoupler OC3 is with connecing equipment；The line of the relay K3
It is electrically connected after circle one diode D3 of part in parallel, with the optocoupler OC3, contact sets part is then normal with the switch coincidence of on-pole switch
Contact S2 electrical connection is opened, the switch coincidence normally opened contact S2 is electrically connected to a point position switch, described that position switch is divided to be electrically connected
To the closing coil；The closing coil is grounded by optocoupler OC4, resistance R8, and the optocoupler OC4 passes through relay K4, electricity
Resistance R7 is electrically connected to the 24V power supply of the intelligent terminal, the coiler part one diode D4 of parallel connection of the relay K4, contact sets
Part is electrically connected to the remote control and closes circuit.
Optionally, the on-pole switch are as follows: disconnecting switch on pole-mounted circuit breaker, column load switch or column.
Compared with prior art, the utility model has the following technical effect that can be realized diagnoses control in day-to-day operation
Separating brake processed and control close a floodgate circuit whether Yi Chang this functionality, can be timely and effective when ensuring to need to be implemented sub-switching operation
Ground carries out separating brake, and while needing to be implemented closing operation can timely and effectively close a floodgate；Hereby it is achieved that automatically distant to terminal
It controls loop state and carries out Pre-Evaluation and judgement, and then improve the intelligence of product.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the terminal remote control circuit self-diagnosis unit switches of the utility model；
Fig. 2 is the circuit connection diagram one of the terminal remote control circuit self-diagnosis unit switches of the utility model；
Fig. 3 is the circuit connection diagram two of the terminal remote control circuit self-diagnosis unit switches of the utility model；
In the accompanying drawings, list of designations represented by each label is as follows:
10 --- terminal remote control circuit self-diagnosis unit switches, 11 --- opening coil decision circuitry；12 --- coincidence is set out
Close, 13 --- energy storage coil detection circuit, 14 --- timing pulse generation circuit, 15 --- closing coil decision circuitry,
16 --- divide position switch；
20 --- Power System Intelligent terminal, 21 --- it is remotely controlled and divides prewired circuit, 22 --- it is remotely controlled and divides circuit, 23 --- storage
Energy circuit, 24 --- remote control conjunction prewired circuit, 25 --- circuit is closed in remote control；
30 --- on-pole switch, 31 --- travel switch, 32 --- opening coil, 33 --- energy storage coil, 34 --- it closes
Brake cable circle.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
It please refers to shown in Fig. 1, is the structural schematic diagram of the terminal remote control circuit self-diagnosis unit switches of the utility model.Institute
Terminal remote control circuit self-diagnosis unit switches 10 are stated to include: opening coil decision circuitry 11, close position switch 12, energy storage coil detection
Circuit 13, timing pulse generation circuit 14, closing coil decision circuitry 15 and divide position switch 16, wherein
The opening coil decision circuitry 11 and closing coil decision circuitry 15 are respectively electrically connected to the commutator pulse hair
Raw circuit 14, the conjunctions position switch 12 with divide position switch 16 to be respectively electrically connected to the energy storage coil detection circuit 13；
The terminal is set in Power System Intelligent terminal 20 with remote control circuit self-diagnosis unit switches 10, in the intelligent terminal
In, divide prewired circuit 21, remote control point circuit 22, tank circuit 23, remote control to close prewired circuit 24 and distant equipped with existing remote control
Circuit 25 is closed in control, wherein the remote control divides prewired circuit 21, remote control point circuit 22 to be respectively electrically connected to the opening coil judgement
Circuit 11, the tank circuit 23 are electrically connected to the energy storage coil detection circuit 13, and prewired circuit 24, remote control are closed in the remote control
It closes circuit 25 and is respectively electrically connected to the closing coil decision circuitry 15；
The terminal is also electrically connected with on-pole switch 30 with remote control circuit self-diagnosis unit switches 10, and the on-pole switch 30 is for example
It can are as follows: disconnecting switch etc. on pole-mounted circuit breaker, column load switch or column, but not limited to this；It is set in the on-pole switch 30
There are travel switch 31, opening coil 32, energy storage coil 33 and closing coil 34, wherein the opening coil decision circuitry 11,
Close the switch quartile normally-closed contact that position switch 12 is respectively electrically connected to the travel switch 31, the closing coil decision circuitry
15, the switch coincidence normally opened contact for dividing position switch 16 to be respectively electrically connected to the travel switch 31, the opening coil judgement
Circuit 11, conjunction position switch 12 are also respectively electrically connected to the opening coil 32, and the closing coil decision circuitry 15, quartile are set
Switch 16 is also respectively electrically connected to the closing coil 34；The energy storage coil 33 is electrically connected to the energy storage coil detection circuit
13。
After Power System Intelligent terminal powers on as a result, the terminal remote control circuit self-diagnosis unit switches of the utility model start
Power-on self-test is executed, the position (" separating brake " or " combined floodgate ") of travel switch is detected and whether has the preset electricity of remote control point of terminal
The preset signal that road 21 or remote control are closed in prewired circuit 24 is sent ---
If detecting the position of travel switch in open position, closing coil decision circuitry first works and is latched point
Lock, timing pulse generation circuit generate compartment pulse, by closing coil decision circuitry and position switch are divided to be applied on column
Whether the closing coil of switch, detection closing coil have exception, and synchronous signal is examined by dividing position switch to be applied to energy storage coil
Whether slowdown monitoring circuit, detection energy storage coil are working properly；
If detecting the position of travel switch in closing position, opening coil decision circuitry first works and closed bite
Lock, timing pulse generation circuit generate compartment pulse, are applied on column by opening coil decision circuitry and conjunction position switch
Whether the opening coil of switch, detection opening coil have exception, and synchronous signal is applied to energy storage coil by conjunction position switch and sentences
Whether deenergizing, detection energy storage coil are working properly；
When circuit is closed in remote control, remote control divides circuit or tank circuit to generate abnormal, the terminal of the utility model is with being remotely controlled back
Road self-diagnosis unit switches can close circuit exception by remote control, remote control divides circuit exception or tank circuit exceptional interface, and signal is transmitted
Give Power System Intelligent terminal；When intelligent terminal, which issues remote control, divides preset signal, self-diagnosis unit switches stop detection opening coil
And tank circuit, when intelligent terminal, which issues remote control, closes preset signal, self-diagnosis unit switches stop detection closing coil and energy storage is returned
Road.
It specifically, is the circuit of the terminal remote control circuit self-diagnosis unit switches of the utility model referring again to shown in Fig. 2
Connection figure one.Fig. 2 basically illustrates the structure of the opening coil decision circuitry in remote control circuit self-diagnosis unit switches and connection is closed
System, as shown, the opening coil decision circuitry includes: tri-state gate G1, resistance R1~R4, triode T1, optocoupler OC1, OC2
And relay K1, K2, wherein
The control enable end of the tri-state gate G1 divides prewired circuit 21 to be electrically connected with the remote control, and it is pre- to receive the remote control point
The remote control that circuits 21 issue divides preset signal；The input terminal of the tri-state gate G1 is electrically connected with the timing pulse generation circuit 14
It connects, receives the timing pulse signal that the timing pulse generation circuit 14 issues；The output end of the tri-state gate G1 is electrically connected to
The first end of resistance R1, the second end of the resistance R1 are electrically connected to the base stage of triode T1, the collector of the triode T1
It is electrically connected to the second input terminal of optocoupler OC1, emitter ground connection；The first input end of the optocoupler OC1 is electrically connected by resistance R2
It is connected to the 5V power supply of the intelligent terminal, the first output end of the optocoupler OC1 is electrically connected to the intelligence by relay K1
The 12V power supply of terminal, the second output terminal of the optocoupler OC1 is with connecing equipment；The coiler part parallel connection one or two of the relay K1
It is electrically connected after pole pipe D1, with the optocoupler OC1, contact sets part is then electrically connected with the switch quartile normally-closed contact S1 of on-pole switch
It connects, the switch quartile normally-closed contact S1, which is electrically connected to, closes position switch 12, and the conjunction position switch 12 is electrically connected to described point
Brake cable circle 32；The opening coil 32 is grounded by optocoupler OC2, resistance R4, and the optocoupler OC2 passes through relay K2, resistance R3
It is electrically connected to the 24V power supply of the intelligent terminal, the coiler part one diode D2 of parallel connection of the relay K2, contact sets part
It is electrically connected to the remote control point circuit 22 (see shown in the lower left corner Fig. 2).
It further, is the electricity of the terminal remote control circuit self-diagnosis unit switches of the utility model referring again to shown in Fig. 3
Road connection figure two.Fig. 3 basically illustrates the structure and connection of the closing coil decision circuitry in remote control circuit self-diagnosis unit switches
Relationship, as shown, the closing coil decision circuitry include: tri-state gate G2, resistance R5~R8, triode T2, optocoupler OC3,
OC4 and relay K3, K4, wherein
The control enable end of the tri-state gate G2 is closed prewired circuit 24 with the remote control and is electrically connected, and receives the remote control and closes in advance
Preset signal is closed in the remote control that circuits 24 issue；The input terminal of the tri-state gate G2 is electrically connected with the timing pulse generation circuit 14
It connects, receives the timing pulse signal that the timing pulse generation circuit 14 issues；The output end of the tri-state gate G2 is electrically connected to
The first end of resistance R5, the second end of the resistance R5 are electrically connected to the base stage of triode T2, the collector of the triode T2
It is electrically connected to the second input terminal of optocoupler OC3, emitter ground connection；The first input end of the optocoupler OC3 is electrically connected by resistance R6
It is connected to the 5V power supply of the intelligent terminal, the first output end of the optocoupler OC3 is electrically connected to the intelligence by relay K3
The 12V power supply of terminal, the second output terminal of the optocoupler OC3 is with connecing equipment；The coiler part parallel connection one or two of the relay K3
It is electrically connected after pole pipe D3, with the optocoupler OC3, contact sets part is then electrically connected with the switch coincidence normally opened contact S2 of on-pole switch
It connects, the switch coincidence normally opened contact S2 is electrically connected to point position switch 16, described that position switch 16 is divided to be electrically connected to the conjunction
Brake cable circle 34；The closing coil 34 is grounded by optocoupler OC4, resistance R8, and the optocoupler OC4 passes through relay K4, resistance R7
It is electrically connected to the 24V power supply of the intelligent terminal, the coiler part one diode D4 of parallel connection of the relay K4, contact sets part
It is electrically connected to the remote control and closes circuit 25 (see shown in the lower left corner Fig. 3).
It needs to be illustrated, since setting and the connection of energy storage coil and interlock circuit are all that the used of this field sets
Meter, so, to make attached drawing from cumbersome, all it is not shown in Fig. 2, Fig. 3.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (4)
1. a kind of terminal remote control circuit self-diagnosis unit switches characterized by comprising opening coil decision circuitry, coincidence are set out
Pass, energy storage coil detection circuit, timing pulse generation circuit, closing coil decision circuitry and divide position switch, wherein
The opening coil decision circuitry and closing coil decision circuitry are respectively electrically connected to the timing pulse generation circuit, institute
It states and closes position switch and position switch is divided to be respectively electrically connected to the energy storage coil detection circuit；
The terminal is set in Power System Intelligent terminal with remote control circuit self-diagnosis unit switches, is additionally provided in the intelligent terminal
Some remote controls divide prewired circuit, remote control point circuit, tank circuit, remote control to close prewired circuit and remote control conjunction circuit, wherein described
Remote control divides prewired circuit, a remote control point circuit to be respectively electrically connected to the opening coil decision circuitry, the tank circuit electrical connection
To the energy storage coil detection circuit, prewired circuit is closed in the remote control, remote control closes circuit and is respectively electrically connected to the closing coil
Decision circuitry；
The terminal is also electrically connected with on-pole switch with remote control circuit self-diagnosis unit switches, and existing row is equipped in the on-pole switch
Cheng Kaiguan, opening coil, energy storage coil and closing coil, wherein the opening coil decision circuitry closes position switch difference
It is electrically connected to the switch quartile normally-closed contact of the travel switch, the closing coil decision circuitry divides position switch electricity respectively
It is connected to the switch coincidence normally opened contact of the travel switch, the opening coil decision circuitry, conjunction position switch are also electric respectively
It is connected to the opening coil, the closing coil decision circuitry divides position switch to be also respectively electrically connected to the closing coil；
The energy storage coil is electrically connected to the energy storage coil detection circuit.
2. terminal according to claim 1 remote control circuit self-diagnosis unit switches, which is characterized in that the opening coil judgement
Circuit includes: tri-state gate G1, resistance R1~R4, triode T1, optocoupler OC1, OC2 and relay K1, K2, wherein described three
The control enable end of state door G1 divides prewired circuit to be electrically connected with the remote control, receives the remote control that the remote control divides prewired circuit to issue
Divide preset signal；The input terminal of the tri-state gate G1 is electrically connected with the timing pulse generation circuit, receives the commutator pulse
The timing pulse signal that circuit issues occurs；The output end of the tri-state gate G1 is electrically connected to the first end of resistance R1, the electricity
The second end of resistance R1 is electrically connected to the base stage of triode T1, and the collector of the triode T1 is electrically connected to the second of optocoupler OC1
Input terminal, emitter ground connection；The first input end of the optocoupler OC1 is electrically connected to the 5V electricity of the intelligent terminal by resistance R2
Source, the first output end of the optocoupler OC1 are electrically connected to the 12V power supply of the intelligent terminal, the optocoupler by relay K1
The second output terminal of OC1 is with connecing equipment；After the one diode D1 of coiler part parallel connection of the relay K1, with the optocoupler OC1
Electrical connection, contact sets part are then electrically connected with the switch quartile normally-closed contact S1 of on-pole switch, the switch quartile normally-closed contact
S1 is electrically connected to conjunction position switch, and the conjunction position switch is electrically connected to the opening coil；The opening coil passes through optocoupler
OC2, resistance R4 ground connection, the optocoupler OC2 are electrically connected to the 24V power supply of the intelligent terminal, institute by relay K2, resistance R3
The coiler part one diode D2 of parallel connection of relay K2 is stated, contact sets part is electrically connected to the remote control point circuit.
3. terminal according to claim 1 or 2 remote control circuit self-diagnosis unit switches, which is characterized in that the closing coil
Decision circuitry includes: tri-state gate G2, resistance R5~R8, triode T2, optocoupler OC3, OC4 and relay K3, K4, wherein institute
It states the control enable end of tri-state gate G2 and the remote control is closed prewired circuit and is electrically connected, receive the remote control and close what prewired circuit issued
Preset signal is closed in remote control；The input terminal of the tri-state gate G2 is electrically connected with the timing pulse generation circuit, receives the timing
The timing pulse signal that pulse generating circuit issues；The output end of the tri-state gate G2 is electrically connected to the first end of resistance R5, institute
The second end for stating resistance R5 is electrically connected to the base stage of triode T2, and the collector of the triode T2 is electrically connected to optocoupler OC3's
Second input terminal, emitter ground connection；The first input end of the optocoupler OC3 is electrically connected to the intelligent terminal by resistance R6
5V power supply, the first output end of the optocoupler OC3 is electrically connected to the 12V power supply of the intelligent terminal by relay K3, described
The second output terminal of optocoupler OC3 is with connecing equipment；After the one diode D3 of coiler part parallel connection of the relay K3, with the optocoupler
OC3 electrical connection, contact sets part are then electrically connected with the switch coincidence normally opened contact S2 of on-pole switch, the normally opened touching of the switch coincidence
Point S2 is electrically connected to a minute position switch, described that position switch is divided to be electrically connected to the closing coil；The closing coil passes through light
Coupling OC4, resistance R8 ground connection, the optocoupler OC4 are electrically connected to the 24V power supply of the intelligent terminal by relay K4, resistance R7,
The coiler part one diode D4 of parallel connection of the relay K4, contact sets part are electrically connected to the remote control and close circuit.
4. terminal according to claim 1 remote control circuit self-diagnosis unit switches, which is characterized in that the on-pole switch are as follows:
Disconnecting switch on pole-mounted circuit breaker, column load switch or column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821210377.XU CN208506207U (en) | 2018-07-27 | 2018-07-27 | A kind of terminal remote control circuit self-diagnosis unit switches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821210377.XU CN208506207U (en) | 2018-07-27 | 2018-07-27 | A kind of terminal remote control circuit self-diagnosis unit switches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208506207U true CN208506207U (en) | 2019-02-15 |
Family
ID=65290675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821210377.XU Expired - Fee Related CN208506207U (en) | 2018-07-27 | 2018-07-27 | A kind of terminal remote control circuit self-diagnosis unit switches |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208506207U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110187258A (en) * | 2019-05-13 | 2019-08-30 | 国网宁夏电力有限公司培训中心 | A kind of measure and control device remote control circuit tester |
| CN116780780A (en) * | 2023-08-18 | 2023-09-19 | 江西清华泰豪三波电机有限公司 | Power supply control device |
-
2018
- 2018-07-27 CN CN201821210377.XU patent/CN208506207U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110187258A (en) * | 2019-05-13 | 2019-08-30 | 国网宁夏电力有限公司培训中心 | A kind of measure and control device remote control circuit tester |
| CN110187258B (en) * | 2019-05-13 | 2024-04-02 | 国网宁夏电力有限公司培训中心 | Remote control loop tester of measurement and control device |
| CN116780780A (en) * | 2023-08-18 | 2023-09-19 | 江西清华泰豪三波电机有限公司 | Power supply control device |
| CN116780780B (en) * | 2023-08-18 | 2024-01-26 | 江西清华泰豪三波电机有限公司 | Power supply control device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200990337Y (en) | Breaker intelligent controller | |
| CN102946149A (en) | Automatic monitoring terminal for distributed distribution network | |
| CN205103386U (en) | High accuracy special type power supply monitoring system | |
| CN203301182U (en) | Electric vehicle AC charging pile | |
| CN208506207U (en) | A kind of terminal remote control circuit self-diagnosis unit switches | |
| CN201994717U (en) | Control device for supplying power to breaker control units | |
| CN203086239U (en) | Distributed distribution network automatic monitoring terminal | |
| CN104777776A (en) | Monitoring system of permanent-magnet vacuum circuit breaker | |
| CN202550382U (en) | Switch cabinet comprehensive state display instrument | |
| CN208797560U (en) | Overcurrent and phase shortage the broken string TT&C system of electric car charging circuit | |
| CN207274434U (en) | A kind of single flow charging system | |
| CN202167897U (en) | Intelligent anti-misoperation locking device | |
| CN202583746U (en) | Microcomputer protection measurement-control device | |
| CN206741243U (en) | A kind of intelligent controller of high voltage isolator | |
| CN202524166U (en) | On-line monitoring and protection device used in feeder automation system | |
| CN209133975U (en) | A switchgear state comprehensive indicator | |
| CN204167134U (en) | A kind of isolation switch control system | |
| CN111799890A (en) | A power intelligent operation and maintenance measurement and control device | |
| CN104316114A (en) | Intensive type touch screen intelligent power meter | |
| CN213185630U (en) | Distributed intelligent station terminal | |
| CN205882445U (en) | Special first cabinet of accurate row that exchanges of computer room of data center | |
| CN206450780U (en) | A kind of malfunction monitoring remote control type cable branch box and detecting system | |
| CN204290503U (en) | Integral intelligent AC power case | |
| CN208904760U (en) | A kind of microcomputer protecting device system of more power supply smart types | |
| CN208477341U (en) | A kind of intelligence air-valve control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 Termination date: 20210727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |