CN205644195U - Control circuit of high pressure prepayment switch electricity behaviour mechanism - Google Patents
Control circuit of high pressure prepayment switch electricity behaviour mechanism Download PDFInfo
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- CN205644195U CN205644195U CN201620491507.6U CN201620491507U CN205644195U CN 205644195 U CN205644195 U CN 205644195U CN 201620491507 U CN201620491507 U CN 201620491507U CN 205644195 U CN205644195 U CN 205644195U
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Abstract
The utility model discloses a control circuit of high pressure prepayment switch electricity behaviour mechanism, be greater than the makeing time of high -pressure prepayment switch in respect of expense control relay, table in respect of the delay relay of expense control relay for taking the snap action contact, the closed duration in contact of snap action contact with the table in respect of taking the load control contact including the table, the table concatenates between the power cord in respect of the coil that takes the control relay in respect of expense load control contact and table, and the table is connected on the combined floodgate return circuit of high -pressure prepayment switch in respect of the snap action contact that takes the control relay. The utility model discloses a function of former ordinary relay is optimized to the relay that has the snap action contact, has realized breaking off the combined floodgate return circuit after high -pressure prepayment switch successfully closes a floodgate, guarantee can not close a floodgate repeatedly even because of closing a floodgate again after overload or the short -circuit protection tripping operation after high -pressure prepayment switch closes a floodgate the separating brake, the utility model discloses not changing the any control logic or the structure in current high -pressure prepayment switch electricity behaviour mechanism controls return circuit, realizing simple and conveniently, the effect is fabulous.
Description
Technical field
This utility model is specifically related to the control circuit of a kind of high-voltage prepayment switch electrically operated institution.
Background technology
Along with development and the raising of people's living standard of economic technology, electric energy has become as one of requisite energy in the daily production of people and life.Prepayment meter is as the metering device of power system, and its importance is self-evident.
At present, big power customer way of energy measuring has massive quantity power supply and measurement and high for two kinds of major ways of low meter.Height because of cost less investment, technology maturation for low meter, is therefore widely used, but this mode has several outstanding problem, is mainly manifested in the easy stealing of low pressure, and it is fixed that tariff recovery difficulty and administrative power are censured.In recent years, the lifting management of power use required along with development and the power department of outdoor high-voltage switch technology, 10kV high-voltage prepayment device is progressively applied, it is achieved massive quantity power supply and measurement and arrearage automatic brake separating, payment automatic closing or arrearage automatic brake separating, the function of payment closing by hand.High-voltage prepayment device comprises high-voltage prepayment switch (including hot line job circuit), metering transformer, counter box and measurement meter (prepayment meter or load management terminal) etc., its by high-voltage prepayment switch electrically operated institution control that loop accesses electric energy meter take control contact, thus realize arrearage separating brake and payment closing function.
At present, the control circuit schematic diagram of the electrically operated institution of unipolar type high pressure expense control switch product is as shown in Figure 1: relay J S2 is common relay, and its contact is coil electricity, and normally opened contact remains closed, and coil once dead electricity, normally opened contact i.e. disconnects.In schematic diagram, table in respect of taking indicating relay JS2 with table action in respect of the expense on-off action of spatial load forecasting contact FX2, table meter arrearage indicating relay JS1 action with the on-off action of table meter arrearage spatial load forecasting contact FX1；Table is both connected on the closing circuit of electrically operated institution control circuit in respect of armature contact and the closing coil HQ of expense indicating relay JS2, has the armature contact of expense indicating relay JS2 for controlling energising and the power-off of closing coil HQ.Table closes then table meter arrearage spatial load forecasting contact FX1 in respect of expense spatial load forecasting contact FX2 and disconnects, and now expression table is in respect of taking, and brief energization is completed by closing coil HQ until switch combined floodgate；Table disconnects then table meter arrearage spatial load forecasting contact FX1 Guan Bi in respect of expense spatial load forecasting contact FX2, now represents table meter arrearage, and switching winding FQ is by brief energization until switch separating brake completes, and the expense that has been achieved in that is closed a floodgate, the control purpose of arrearage separating brake.But table is in respect of time-consuming; FX2 closes always; the normally opened contact of JS2 closes the most always; if after now switch causes automatic protection separating brake because of circuit overload, short trouble; closing coil HQ will brief energization, switch and automatic closing, cause fault to repeat; switch constantly combined floodgate-separating brake-combined floodgate-separating brake, causes circuit to burn, the accident such as distribution substation's unplanned property power failure.
At present, although the control mode having the electrically operated institution of only a few producer high-voltage prepayment switch uses controller, controller contains CPU, the auxiliary contact state input as controller taking control contact state and high-voltage prepayment switch of table meter, processed by CPU programmed logic differentiation, output controls combined floodgate and the separating brake of electrically operated institution, and controller can also realize remote control and remote signaling function with host computer simultaneously.The expense control demand that can achieve power office's automatic brake separating closing by hand or automatic divide-shut brake well of controller, and do not have when automatic divide-shut brake demand high-voltage prepayment switch because of trip protection after the potential safety hazard of automatic closing.But this control mode needs programming personnel to be configured program, to determine the prepayment mode that client needs.And owing to controller is the core component of this control mode, once go wrong and be accomplished by more changer controller, relatively costly, and it is unfavorable for maintenance.
Utility model content
The purpose of this utility model is to provide the control circuit of a kind of high-voltage prepayment switch electrically operated institution that ensure that high-voltage prepayment switch on/off electric operating mechanism Reliability of Microprocessor and safety performance.
The control circuit of this high-voltage prepayment switch electrically operated institution that this utility model provides, relay is controlled in respect of taking spatial load forecasting contact and table in respect of expense including table, table controls the coil tandem of relay in respect of taking spatial load forecasting contact and table between power line in respect of expense, the armature contact that table controls relay in respect of expense is connected on the closing circuit of high-voltage prepayment switch, it is the time-delay relay with snap action contact that table controls relay in respect of expense, the armature contact that table controls relay in respect of expense is snap action contact, and the closing of contact persistent period of snap action contact is more than the feed motion time of high-voltage prepayment switch；It is time-consuming by ensureing to be transformed into from arrearage based on table that table controls relay in respect of expense, and high-voltage prepayment switch can successfully close a floodgate and will not cause after the tripping operation of high-voltage prepayment switch protection combined floodgate-separating brake repeatedly because of high-voltage line fault after combined floodgate.
Described snap action contact is normally opened snap action contact.
The model that described table controls relay in respect of expense is JS14-AC.
The control circuit of this high-voltage prepayment switch electrically operated institution disclosed in this utility model; the relay with snap action contact is used to optimize the function of original common relay; it is transformed into time-consuming from arrearage at table meter; relay with snap action contact ensure that the successful combined floodgate that high-voltage prepayment switchs; and after high-voltage prepayment switch closes a floodgate, disconnect its closing circuit, with-the separating brake that will not repeatedly close a floodgate after ensureing switch protection tripping operation；Therefore this utility model can promote high-voltage prepayment and switch reliability and the safety of charged behaviour's mechanism action；And this utility model does not change existing electrically operated institution and controls the control logical AND structure in loop, it is achieved simple and convenient, works very well.
Accompanying drawing explanation
Fig. 1 is the control circuit connection diagram of the electrically operated institution of background technology.
Fig. 2 is the control circuit connection diagram of electrically operated institution of the present utility model.
Detailed description of the invention
It is illustrated in figure 2 the control circuit connection diagram of electrically operated institution of the present utility model: this high-voltage prepayment that this utility model provides switchs the control circuit of electrically operated institution, controlling relay (in figure indicate time-delay relay JS2) in respect of taking spatial load forecasting contact (indicating FX2 in figure) and table in respect of expense including table, table uses the time-delay relay with snap action contact in respect of taking control relay；Table controls the coil tandem of relay in respect of taking spatial load forecasting contact and table between power line in respect of expense, table controls the normally opened snap action contact of relay (indicating time-delay relay snap action contact JS2 in figure) in respect of expense and is connected on the closing circuit of high-voltage prepayment switch electrically operated institution control circuit, and the closing of contact persistent period of snap action contact is more than the feed motion time of high-voltage prepayment switch.
Table meter is when arrearage, and table controls the coil blackout of relay in respect of taking, and snap action contact disconnects；Table meter transfers to when having expense state from arrearage state, and the coil that table controls relay in respect of expense powers on, and now snap action contact closes immediately without time delay, and disconnects afterwards in of short duration Guan Bi (persistent period is about slightly larger than 0.1s)；The closing time switched more than high-voltage prepayment due to the snap action contact closing period of time-delay relay, therefore, within the time of snap action contact Guan Bi, high-voltage prepayment switch can successfully close a floodgate；After snap action contact closing period terminates, snap action contact can disconnect, and now high-voltage prepayment switch has closed a floodgate.After combined floodgate; if high-voltage prepayment switch trips because of overload, short-circuit protection action; high-voltage prepayment switch deciliter state auxiliary contact SA1 complete normally opened contact be closed into disconnections, normally-closed contact be disconnected to close process; owing to string time-delay relay snap action contact JS2 in closing coil HQ loop disconnects; closing coil HQ would not be energized, and high-voltage prepayment switch does not haves the abnormal phenomenas such as combined floodgate-separating brake that again close a floodgate the most repeatedly.
Time-delay relay that is concrete, that model can be used to be JS14-AC with the time-delay relay of snap action contact；Within requiring as 60ms due to the closing time of high-voltage prepayment switch, within opening time requires as 40ms, and the snap action contact closing time with the time-delay relay JS14-AC of snap action contact can complete function of the present utility model slightly larger than 0.1s, the therefore described time-delay relay JS14-AC with snap action contact.
Claims (3)
1. the control circuit of a high-voltage prepayment switch electrically operated institution, relay is controlled in respect of taking spatial load forecasting contact and table in respect of expense including table, table controls the coil tandem of relay in respect of taking spatial load forecasting contact and table between power line in respect of expense, the armature contact that table controls relay in respect of expense is connected on the closing circuit of high-voltage prepayment switch, it is characterized in that table controls relay in respect of expense is the time-delay relay with snap action contact, the armature contact that table controls relay in respect of expense is snap action contact, and the closing of contact persistent period of snap action contact is more than the closing time of high-voltage prepayment switch.
The control circuit of high-voltage prepayment the most according to claim 1 switch electrically operated institution, it is characterised in that described snap action contact is normally opened snap action contact.
The control circuit of high-voltage prepayment the most according to claim 1 and 2 switch electrically operated institution, it is characterised in that the model that described table controls relay in respect of expense is JS14-AC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620491507.6U CN205644195U (en) | 2016-05-26 | 2016-05-26 | Control circuit of high pressure prepayment switch electricity behaviour mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620491507.6U CN205644195U (en) | 2016-05-26 | 2016-05-26 | Control circuit of high pressure prepayment switch electricity behaviour mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN205644195U true CN205644195U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620491507.6U Active CN205644195U (en) | 2016-05-26 | 2016-05-26 | Control circuit of high pressure prepayment switch electricity behaviour mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107450421A (en) * | 2017-10-10 | 2017-12-08 | 南昌市永峰科技有限公司 | A kind of multi-functional logical process system and its method for operation |
| CN113160491A (en) * | 2021-04-07 | 2021-07-23 | 威胜电气有限公司 | Primary and secondary integration high-voltage charge control switching-on and switching-off control method |
-
2016
- 2016-05-26 CN CN201620491507.6U patent/CN205644195U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107450421A (en) * | 2017-10-10 | 2017-12-08 | 南昌市永峰科技有限公司 | A kind of multi-functional logical process system and its method for operation |
| CN113160491A (en) * | 2021-04-07 | 2021-07-23 | 威胜电气有限公司 | Primary and secondary integration high-voltage charge control switching-on and switching-off control method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 411201 28 Bai Shi Road, Jing Kai District, Xiangtan, Hunan Patentee after: Weisheng Energy Technology Co.,Ltd. Address before: 411201 28 Bai Shi Road, Jing Kai District, Xiangtan, Hunan Patentee before: WASION ELECTRIC Co.,Ltd. |