CN205139272U - Join in marriage power -grid switch analog switch unit for equipment - Google Patents
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- CN205139272U CN205139272U CN201520874366.1U CN201520874366U CN205139272U CN 205139272 U CN205139272 U CN 205139272U CN 201520874366 U CN201520874366 U CN 201520874366U CN 205139272 U CN205139272 U CN 205139272U
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- 238000002955 isolation Methods 0.000 claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 238000012360 testing method Methods 0.000 claims abstract description 18
- 238000004088 simulation Methods 0.000 claims abstract description 10
- 238000009826 distribution Methods 0.000 claims description 56
- 230000003044 adaptive effect Effects 0.000 claims description 37
- 230000006837 decompression Effects 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000010998 test method Methods 0.000 abstract 1
- 238000013473 artificial intelligence Methods 0.000 description 14
- 239000003446 ligand Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 101100149782 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) vsp-5 gene Proteins 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses a join in marriage power -grid switch analog switch unit for equipment, including terminal box and voltage self -adaptation conversion and isolation module, analog switch control module, high accuracy time delay module and the electronic relay analog switch of setting in the terminal box, conversion of voltage self -adaptation and isolation module are used for for analog switch control module and the power supply of high accuracy time delay module, analog switch control module connects high accuracy time delay module and electronic relay analog switch. The utility model discloses adopting the simulation tests mode in joining in marriage the net line test, adopting interface self -adaptation intelligence analog switch unit to replace actual switchgear among the test procedure, take the simulation tests mode to have a power failure, the circuit operation is not influenced. The at utmost reduces the influence to the user.
Description
[technical field]
The utility model relates to distribution network automated field tests, particularly a kind of power distribution network switchgear analog switch unit.
[background technology]
Distribution automation system is the important technical promoting power distribution network production management level and improve power supply reliability, be the important content that intelligent grid is built, distribution automation system mainly comprises the function such as power distribution network SCADA function and distribution network failure detection, breakdown judge, fault isolation.Still lack effective means after current electrical power distribution automatization system builds up and equipment is tested, verify the correctness of its design of hardware and software, reliability of operation.Therefore the grid structure, analog switch device, simulation load, simulated failure generation, fault handling response etc. of analog ligand electrical network is indispensable equipment to distribution automation equipment development and qualification test, delivery test etc.
Power distribution network switchgear has the type such as isolating switch, on-load switch, and its control loop voltage has the electric pressures such as AC220V, DC24V, DC48V, and operating mechanism has spring energy-storage, electromagnetic type, permanent magnet mechanism etc.The difference of foundation switching behavior and operating mechanism, from gauge tap divide-shut brake to switch motion, success all also exists certain delay time, and the delay time of often kind of switch has different, these indexs have important impact for power distribution automation fault handling performance.
[utility model content]
The purpose of this utility model is to provide a kind of power distribution network switchgear analog switch unit, to solve the problems of the technologies described above.The utility model can real simulation power distribution network switchgear switch action characteristic, can simulate again the Intelligent switch unit of number of different types, different control modes simultaneously.
To achieve these goals, the utility model adopts following technical scheme:
A kind of power distribution network switchgear analog switch unit, comprises terminal box and the voltage adaptive be arranged in terminal box is changed and isolation module, analog switch control module, high precision time delay module and electronic relay analog switch;
Voltage adaptive conversion and isolation module are used for powering to analog switch control module and high precision time delay module;
Analog switch control module connects high precision time delay module and electronic relay analog switch.
Further, terminal box is rectangular box, and its panel is provided with power-line terminal; External power supply connects electronic relay analog switch by power-line terminal; Voltage adaptive conversion and isolation module connect power-line terminal for obtaining power supply.
Further, voltage adaptive conversion and isolation module comprise AC relay and DC relay; AC relay is all connected the power-line terminal on panel with the input end of DC relay, for obtaining the electric energy of the input power of powering to electronic relay analog switch;
The output terminal of AC relay connects AC/DC module and a DC/DC isolation module successively;
The output terminal of DC relay connects the first bridge rectifier and the 2nd DC/DC isolation module successively.
Further, terminal box is also provided with decompression lead-in clamp, remote control divide-shut brake signal binding post; Analog switch control module connects the synchronous fault testing apparatus of power distribution network by decompression lead-in clamp; The input end of analog switch control module is connected distribution power automation terminal by remote control divide-shut brake signal binding post with voltage adaptive conversion and isolation module; Analog switch control module also connects high precision time delay module; High precision time delay module connects the combined floodgate time delay dial-up pipe and separating brake time delay dial-up pipe that are arranged in terminal box; The output terminal of analog switch control module connects electronic relay analog switch.
Further, adopt solid-state relay analog switch in electronic relay analog switch, the pin of solid-state relay is connected distribution power automation terminal by the co-bit state binding post in terminal box with a point position state binding post; The output terminal of analog switch control module connects distribution power automation terminal by blocking binding post.
Further, terminal box is provided with switch knob, opening button, combined floodgate pilot lamp and separating brake pilot lamp, switch knob, opening button connecting analog switch control module, combined floodgate/sub-gate signal is sent for on-site manual operation control simulation switch control module, combined floodgate pilot lamp connects voltage adaptive conversion and isolation module and analog switch control module, is used to indicate and whether is in "on" position; Separating brake pilot lamp connects voltage adaptive conversion and isolation module and analog switch control module, is used to indicate and whether is in gate-dividing state.
Relative to prior art, the utility model has following beneficial effect:
1, the utility model can the various on-load switch of analog ligand electrical network, isolating switch and special VSP5 type switching function.For distribution network failure synchronous testing device action mechanism and the function had; the switchgear that can substitute actual distribution feeder operation carries out uniterruptible power system test; realize on-the-spot distribution terminal protective calibration, loop transmission debugging, electrical power distribution automatization system is delivered in the action message passback of Simultaneous Switching.
2, control power supply of the present utility model is provided by power distribution network switchgear; interface adaptive artificial intelligence switch element has adaptive ability; all power distribution network switchgears can be adapted to; by the correctness that this utility model checking distribution terminal is connected with power distribution network switchgear; and the configuration of distribution terminal Protection parameters, the correctness that checking electrical power distribution automatization system communication channel, period are arranged.Interface adaptive ability can input different signals for same input end, can not consider the both positive and negative polarity of input end for direct current signal, greatly facilitates the use of user.
3, the utility model can the lag characteristic of analog ligand power network switch divide-shut brake, there is high-precision delay function, from interface adaptive artificial intelligence switch element input divide-shut brake signal, input to the time and divide-shut brake time delay that complete the time delay of divide-shut brake action institute the error that setup times (dial-up pipe setup times) produces be less than 1mS.
[accompanying drawing explanation]
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is panel wiring diagram;
Fig. 3 is the schematic diagram of specific embodiment.
[embodiment]
Refer to shown in Fig. 1 to Fig. 3, a kind of power distribution network switchgear of the utility model analog switch unit, comprises terminal box and the voltage adaptive be arranged in terminal box is changed and isolation module, analog switch control module, high precision time delay module and electronic relay analog switch.
Terminal box is rectangular box, and its panel is provided with power-line terminal L/DC+N/DC-, decompression lead-in clamp In+In-, remote control divide-shut brake signal binding post, combined floodgate time delay dial-up pipe, separating brake time delay dial-up pipe, switch knob, combined floodgate pilot lamp, opening button, separating brake pilot lamp, blocking binding post, co-bit state binding post and point position state binding post.
Voltage adaptive conversion and isolation module comprise AC relay and DC relay; AC relay is all connected the power-line terminal on panel with the input end of DC relay, for obtaining the electric energy of the input power of powering to electronic relay analog switch; The AC relay work when input power is for exchanging, the DC relay work when input power is direct current.The output terminal of AC relay connects AC/DC module and a DC/DC isolation module successively, by AC/DC module and DC/DC isolation module, the alternating current of input is converted to direct current and powers to modules.The output terminal of DC relay connects the first bridge rectifier and the 2nd DC/DC isolation module successively, dipole inversion is carried out by the direct current of the first bridge rectifier to input, the direct supply inputted just is being connect or reversal connection on power-line terminal, can both power to modules by the consistent direct current of outbound course.
The input end of analog switch control module connects the synchronous fault testing apparatus of power distribution network by decompression lead-in clamp In+In-; The input end of analog switch control module is also connected distribution power automation terminal by remote control divide-shut brake signal binding post with voltage adaptive conversion and isolation module; The output terminal of analog switch control module connects electronic relay analog switch.Adopt solid-state relay analog switch in electronic relay analog switch, the pin of solid-state relay is connected distribution power automation terminal by co-bit state binding post with a point position state binding post, for monitor feed back solid-state relay cut-off state.The output terminal of analog switch control module also connects distribution power automation terminal, for feedback switch block signal by blocking binding post.
The input end of high precision time delay module connects combined floodgate time delay dial-up pipe and separating brake time delay dial-up pipe, and combined floodgate time delay dial-up pipe and separating brake time delay dial-up pipe are used for arranging combined floodgate/separating brake time delay according to detected switching characteristic; The input end of the output terminal connecting analog switch control module of high precision time delay module.Analog switch control module receive power distribution network synchronous fault testing apparatus input decompression signal, distribution power automation terminal input remote control on/off switch signal or manual divide-shut brake signal after, control the delay time trigger that high precision time delay module is arranged according to combined floodgate time delay dial-up pipe/separating brake time delay dial-up, after time delay terminates, analog switch control module controls the solid-state relay combined floodgate/separating brake in electronic relay analog switch, to simulate different switch and truly close a floodgate/separating brake process.
The switch knob that terminal box is arranged, opening button are manual control button, switch knob, opening button connecting analog switch control module, combined floodgate/sub-gate signal is sent for on-site manual operation control simulation switch control module, combined floodgate pilot lamp connects voltage adaptive conversion and isolation module and analog switch control module, is used to indicate and whether is in "on" position; Separating brake pilot lamp connects voltage adaptive conversion and isolation module and analog switch control module, is used to indicate and whether is in gate-dividing state.
In the utility model, power supply input is exactly that power supply input range is alternating current 220V or direct current 24 ~ 60V by the L/DC+L/DC-end input power of such as Fig. 2.Divide-shut brake control inputs is exactly input distant place divide-shut brake control signal by the remote control combined floodgate of such as Fig. 2, remote control separating brake input end, and distant place divide-shut brake control signal input range is alternating current 220V or direct current 24 ~ 60V; This signal is changed by voltage adaptive and isolation module is converted to the Control of Voltage analog switch control module action that analog switch control module can accept.In the utility model, no matter input end is that AC signal or direct current signal interface adaptive artificial intelligence switch element can self-adaptations, without the need to any conversion automatic operation.
Interface adaptive artificial intelligence switch element inputs the error that setup times (dial-up pipe setup times) produces be less than 1mS to completing divide-shut brake action required time and divide-shut brake time delay from divide-shut brake control input end input divide-shut brake signal.
Interface adaptive artificial intelligence switch element has the various on-load switch of analog ligand electrical network, isolating switch and special VSP5 type switching function.
During utility model works, the actual switch power supply controlled by distribution power automation terminal disconnects, be connected to interface adaptive artificial intelligence switch element power input, the actual switch control that distribution power automation terminal controls is divided, controls and close signal disconnection, be connected to interface adaptive artificial intelligence switch element divide-shut brake control inputs.Synchronous for power distribution network fault testing apparatus output switch parameter end is connected to interface adaptive artificial intelligence switch element decompression input end.The switch position signal input distribution power automation terminal and block signal and actual switch disconnect, and being connected to interface adaptive artificial intelligence switch element divides/co-bit state output end and locking output terminal.Interface adaptive artificial intelligence switch element, according to actual switch divide-shut brake delay parameter, arranges delay time by dial-up pipe, real simulation actual switch divide-shut brake time-delay characteristics.
Inject failure message by the synchronous fault testing apparatus of power distribution network to distribution power automation terminal, distribution power automation terminal starting protection process, export sub-gate signal to interface adaptive artificial intelligence switch element.
Interface adaptive artificial intelligence switch element divide-shut brake control input end receives sub-gate signal, is changed and this signal is converted to 24V signal and exports to analog switch control module by isolation module by voltage adaptive.Analog switch control module receives the sub-gate signal through conversion, exports delayed startup signal immediately to high precision time delay module, and waits for delay of feedback end signal.High precision time delay module receives delayed startup signal, start-up study logic, after time delay terminates, exports time delay end signal and feeds back to analog switch control module.Analog switch control module receives the time delay end signal of feedback, output control switch sub-gate signal is to electronic relay analog switch, interface adaptive artificial intelligence switch element separating brake, and output switch open position signal is to distribution power automation terminal, complete distribution power automation terminal gauge tap separating brake process.
The utility model adopts simulation test mode in distribution line test, and adopt interface adaptive artificial intelligence switch element to replace actual switch equipment in test process, take simulation test mode not have a power failure, circuit runs unaffected.At utmost reduce the impact on user.
Claims (6)
1. a power distribution network switchgear analog switch unit, is characterized in that, comprise terminal box and be arranged in terminal box voltage adaptive conversion and isolation module, analog switch control module, high precision time delay module and electronic relay analog switch;
Voltage adaptive conversion and isolation module are used for powering to analog switch control module and high precision time delay module;
Analog switch control module connects high precision time delay module and electronic relay analog switch.
2. a kind of power distribution network switchgear analog switch unit according to claim 1, it is characterized in that, terminal box is rectangular box, and its panel is provided with power-line terminal; External power supply connects electronic relay analog switch by power-line terminal; Voltage adaptive conversion and isolation module connect power-line terminal for obtaining power supply.
3. a kind of power distribution network switchgear analog switch unit according to claim 2, is characterized in that, voltage adaptive conversion and isolation module comprise AC relay and DC relay; AC relay is all connected the power-line terminal on panel with the input end of DC relay, for obtaining the electric energy of the input power of powering to electronic relay analog switch;
The output terminal of AC relay connects AC/DC module and a DC/DC isolation module successively;
The output terminal of DC relay connects the first bridge rectifier and the 2nd DC/DC isolation module successively.
4. a kind of power distribution network switchgear analog switch unit according to claim 1, is characterized in that, terminal box is also provided with decompression lead-in clamp, remote control divide-shut brake signal binding post; Analog switch control module connects the synchronous fault testing apparatus of power distribution network by decompression lead-in clamp; The input end of analog switch control module is connected distribution power automation terminal by remote control divide-shut brake signal binding post with voltage adaptive conversion and isolation module; Analog switch control module also connects high precision time delay module; High precision time delay module connects the combined floodgate time delay dial-up pipe and separating brake time delay dial-up pipe that are arranged in terminal box; The output terminal of analog switch control module connects electronic relay analog switch.
5. a kind of power distribution network switchgear analog switch unit according to claim 4, it is characterized in that, adopt solid-state relay analog switch in electronic relay analog switch, the pin of solid-state relay is connected distribution power automation terminal by the co-bit state binding post in terminal box with a point position state binding post; The output terminal of analog switch control module connects distribution power automation terminal by blocking binding post.
6. a kind of power distribution network switchgear analog switch unit according to claim 4, it is characterized in that, terminal box is provided with switch knob, opening button, combined floodgate pilot lamp and separating brake pilot lamp, switch knob, opening button connecting analog switch control module, combined floodgate/sub-gate signal is sent for on-site manual operation control simulation switch control module, combined floodgate pilot lamp connects voltage adaptive conversion and isolation module and analog switch control module, is used to indicate and whether is in "on" position; Separating brake pilot lamp connects voltage adaptive conversion and isolation module and analog switch control module, is used to indicate and whether is in gate-dividing state.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520874366.1U CN205139272U (en) | 2015-11-04 | 2015-11-04 | Join in marriage power -grid switch analog switch unit for equipment |
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| CN201520874366.1U CN205139272U (en) | 2015-11-04 | 2015-11-04 | Join in marriage power -grid switch analog switch unit for equipment |
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| CN205139272U true CN205139272U (en) | 2016-04-06 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106353624A (en) * | 2016-10-21 | 2017-01-25 | 国网江苏省电力公司扬州供电公司 | Power distribution automation power-outage-free debugging equipment and working method thereof |
| CN107300669A (en) * | 2017-06-06 | 2017-10-27 | 南方电网科学研究院有限责任公司 | The programmable switch tool analogue means realized and its implementation |
| CN108132634A (en) * | 2018-02-14 | 2018-06-08 | 北京清畅电力技术股份有限公司 | A kind of ring main unit load switch Intelligent control device and control method |
| CN108388236A (en) * | 2018-04-13 | 2018-08-10 | 广州供电局有限公司 | The Performance Test System of switch controller is automated on column |
| CN109213001A (en) * | 2018-10-24 | 2019-01-15 | 陕西航空电气有限责任公司 | Aircraft level-one electric power distribution network analog machine and analog equivalent Trial Verification Installation |
| CN109581153A (en) * | 2019-01-13 | 2019-04-05 | 国网江西省电力有限公司电力科学研究院 | A kind of 10kV feeder automation test simulation breaker |
| CN112506731A (en) * | 2020-11-18 | 2021-03-16 | 广东电网有限责任公司广州供电局 | Design method of power distribution switch simulation interface device |
| CN115236428A (en) * | 2022-06-17 | 2022-10-25 | 山东电工电气集团新能科技有限公司 | Detection device and detection method for DTU power distribution terminal |
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2015
- 2015-11-04 CN CN201520874366.1U patent/CN205139272U/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106353624A (en) * | 2016-10-21 | 2017-01-25 | 国网江苏省电力公司扬州供电公司 | Power distribution automation power-outage-free debugging equipment and working method thereof |
| CN107300669B (en) * | 2017-06-06 | 2020-03-24 | 南方电网科学研究院有限责任公司 | Programmable switch knife switch simulation device and realization method thereof |
| CN107300669A (en) * | 2017-06-06 | 2017-10-27 | 南方电网科学研究院有限责任公司 | The programmable switch tool analogue means realized and its implementation |
| CN108132634A (en) * | 2018-02-14 | 2018-06-08 | 北京清畅电力技术股份有限公司 | A kind of ring main unit load switch Intelligent control device and control method |
| CN108132634B (en) * | 2018-02-14 | 2024-01-09 | 北京清畅电力技术股份有限公司 | Intelligent control device and control method for load switch of ring main unit |
| CN108388236A (en) * | 2018-04-13 | 2018-08-10 | 广州供电局有限公司 | The Performance Test System of switch controller is automated on column |
| CN109213001B (en) * | 2018-10-24 | 2021-08-17 | 陕西航空电气有限责任公司 | Aircraft primary distribution network simulator and simulation equivalent test verification device |
| CN109213001A (en) * | 2018-10-24 | 2019-01-15 | 陕西航空电气有限责任公司 | Aircraft level-one electric power distribution network analog machine and analog equivalent Trial Verification Installation |
| CN109581153A (en) * | 2019-01-13 | 2019-04-05 | 国网江西省电力有限公司电力科学研究院 | A kind of 10kV feeder automation test simulation breaker |
| CN112506731A (en) * | 2020-11-18 | 2021-03-16 | 广东电网有限责任公司广州供电局 | Design method of power distribution switch simulation interface device |
| CN112506731B (en) * | 2020-11-18 | 2023-06-30 | 广东电网有限责任公司广州供电局 | Design method of distribution switch analog interface device |
| CN115236428A (en) * | 2022-06-17 | 2022-10-25 | 山东电工电气集团新能科技有限公司 | Detection device and detection method for DTU power distribution terminal |
| CN115236428B (en) * | 2022-06-17 | 2024-05-14 | 山东电工电气集团新能科技有限公司 | Detection device and detection method for DTU power distribution terminal |
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Effective date of registration: 20240115 Address after: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee after: STATE GRID CORPORATION OF CHINA Patentee after: STATE GRID SHAANXI ELECTRIC POWER Research Institute Patentee after: National Network (Xi'an) Environmental Protection Technology Center Co.,Ltd. Address before: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee before: State Grid Corporation of China Patentee before: STATE GRID SHAANXI ELECTRIC POWER Research Institute |