CN204065311U - The aobvious device of switch behaviour of monitoring switch control loop template - Google Patents
The aobvious device of switch behaviour of monitoring switch control loop template Download PDFInfo
- Publication number
- CN204065311U CN204065311U CN201420593632.9U CN201420593632U CN204065311U CN 204065311 U CN204065311 U CN 204065311U CN 201420593632 U CN201420593632 U CN 201420593632U CN 204065311 U CN204065311 U CN 204065311U
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- monitoring circuit
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- monitoring
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Abstract
The utility model discloses the aobvious device of switch behaviour of monitoring switch control loop template, comprise: one group of switch tool position monitoring circuit, one group of switch combined floodgate open position monitoring circuit, the one control power supply of powering for disconnecting link position monitoring circuit and combined floodgate open position monitoring circuit, also comprise a monitoring circuit, described monitoring circuit is arranged in parallel in control power supply both sides, comprise a relay, divider resistance and indicating circuit, described control power supply passes through relay, voltage signal is converted to switching signal by divider resistance, switching signal is converted to voltage signal supply CPU and pilot lamp by another group power supply by described indicating circuit further.Thus reach the object of Real-Time Monitoring switching manipulation circuit controls circuit breaking.In the monitoring circuit of switch tool position, the monitoring circuit of a control conversion is set, uses photoelectric isolating device, current-limiting resistance, light emitting diode to realize indicating the two-position of disconnector, thus reach the object realizing chopper switch two-position and monitor.
Description
Technical field
The utility model relates to the aobvious device of switch behaviour of monitoring switch control loop template, particularly relate to and can monitor switch control circuit and the instruction of disconnecting link two-position, by detecting the actuating of relay identifying control loop and the list group disconnecting link signal provided, and then the aobvious device of switch behaviour of prompt switch safety in operation.
Background technology
At present, the aobvious device of known switch behaviour, it is made up of switch close/open machine auxiliary contact, disconnector auxiliary contact, photoisolator, current-limiting resistance, pilot lamp etc., as shown in Figure 1.
Closing position contact and open position contact are provided by switch operating mechanism, always have one to be closed.As control power supply+KM, when-KM dead electricity or broken string or circuit breaker internal coil breakage time, closing position contact and open position contact also can not change, and sending into the signal of CPU can not change, prompting is not had to control loop template, Logic judgment also do not go out switch control circuit broken string.
Further, switch tool instruction only provides a disconnecting link circuit-closing contacts in a lot of situation, the aobvious device of switch behaviour can only indicate a kind of disconnecting link position, gives the instruction of behaviour's aobvious panel simulation main wiring diagram not directly perceived.
Summary of the invention
The technical problems to be solved in the utility model is to provide the aobvious device of switch behaviour of monitoring switch control loop template, arrange in the loop and control power supply broken string monitoring circuit, comprise a relay, divider resistance R1 and indicating circuit, voltage signal is converted to switching signal by relay, divider resistance by described control loop power supply+KM ,-KM, and switching signal is converted to voltage signal supply CPU and pilot lamp by another group power supply by described indicating circuit further; Thus reach the object of Real-Time Monitoring switching manipulation circuit controls circuit breaking.
For achieving the above object, the technical solution of the utility model is as follows:
The aobvious device of switch behaviour of monitoring switch control loop template, comprising:
One switch closing position monitoring circuit, described switch closing position monitoring circuit comprises switch closing position and monitors photoisolator, combined floodgate current-limiting resistance and the supervision pilot lamp that closes a floodgate, and described switch closing position monitoring circuit and CPU combined floodgate monitoring circuit link;
One switch open position monitoring circuit, described switch open position monitoring circuit comprises switch photoisolator, separating brake current-limiting resistance and separating brake and monitors pilot lamp, and described switch open position monitoring circuit and CPU separating brake monitoring circuit link;
One is arranged at the first switch tool position monitoring circuit on switch grounding switch contact loop, described first switch tool position monitoring circuit comprises the first switch tool position and monitors photoisolator, first disconnecting link current-limiting resistance and the first disconnecting link monitor pilot lamp, and described first switch tool position monitoring circuit and CPU disconnecting link monitoring circuit link;
The one control power supply of powering for switching manipulation;
Also comprise a control power supply disconnection monitoring loop, described control power supply disconnection monitoring loop is arranged in parallel in control power supply both sides, comprise a relay, divider resistance and indicating circuit, voltage signal is converted to switching signal by divider resistance by described relay, switching signal is converted to the voltage signal of another group Power supply by described indicating circuit, then supplies CPU and pilot lamp.
In a preferred embodiment of the present utility model, described relay has also been arranged in parallel diode D1, this diode D1 to current signal afterflow, protective relay.
In a preferred embodiment of the present utility model, also comprise one and first switch tool monitoring circuit to link the second switch disconnecting link monitoring circuit monitored, second switch disconnecting link monitoring circuit comprises the second disconnecting link current-limiting resistance and the second disconnecting link pilot lamp.
By technique scheme, the beneficial effects of the utility model are:
The utility model has been arranged in parallel monitoring circuit between control power supply, voltage signal is converted to switching signal by use control loop template supervisory relay, divider resistance, switching signal is converted to voltage signal supply CPU and pilot lamp by another group power supply by indicating circuit further, thus reaches the object of Real-Time Monitoring switching manipulation circuit controls circuit breaking; And additionally increase monitoring circuit switch ground connection further, thus reach realize chopper switch two-position monitor.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 (a) is the circuit diagram of the aobvious device of existing switch behaviour;
Fig. 1 (b) is the circuit diagram of the CPU monitoring circuit of the aobvious device of existing switch behaviour;
Fig. 2 (a) is circuit diagram of the present utility model.
Fig. 2 (b) is the circuit diagram of CPU monitoring circuit of the present utility model.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
With reference to Fig. 2 (a), the aobvious device of switch behaviour of monitoring switch control loop template, comprising:
One switch closing position monitoring circuit, described switch closing position monitoring circuit comprises switch combined floodgate photoisolator U1, combined floodgate current-limiting resistance R2 and combined floodgate pilot lamp 2; This switch closing position monitoring circuit and CPU combined floodgate monitoring circuit link; This CPU combined floodgate monitoring circuit be provided with another group power supply and inductance L 111 for the protection of CPU;
When switch closes a floodgate, switch combined floodgate junction closure, connect by switch combined floodgate photoisolator U1, combined floodgate current-limiting resistance R2 and the combined floodgate instruction loop monitoring that pilot lamp 2 forms of closing a floodgate, close a floodgate and monitor that pilot lamp 2 is lighted, device instruction is closed a floodgate; The output conducting of Simultaneous Switching combined floodgate photoisolator U1, is sent switch switching signal to CPU by inductance L 111, is uploaded by CPU by data mode, reach interlock.
One switch open position monitoring circuit, described switch open position monitoring circuit comprises separating brake photoisolator U2, separating brake current-limiting resistance R3 and separating brake pilot lamp 3; Described switch open position monitoring circuit and CPU separating brake monitoring circuit link; This CPU separating brake monitoring circuit be provided with another group power supply and filter inductance L112 for the protection of CPU;
During switch separating brake, switch separating brake junction closure, connect and monitor that the separating brake that pilot lamp 3 forms indicates loop by switch separating brake photoisolator U2, separating brake current-limiting resistance R3 and separating brake, separating brake monitors that pilot lamp 3 is lighted, device instruction separating brake; The output conducting of Simultaneous Switching separating brake photoisolator U2, is sent switch sub-gate signal to CPU by inductance L 130, is uploaded by CPU by data mode, reach interlock.
One first switch tool position monitoring circuit, described first switch tool position monitoring circuit comprises the first disconnecting link photoisolator U3, the first disconnecting link current-limiting resistance R4 and the first disconnecting link pilot lamp 4; Also comprise one and first switch tool monitoring circuit to link the second switch disconnecting link monitoring circuit monitored, second switch disconnecting link monitoring circuit comprises the second disconnecting link current-limiting resistance R5, second disconnecting link pilot lamp 5, the the second disconnecting link current-limiting resistance R5 wherein linked, second disconnecting link pilot lamp 5 realizes indicating the two-position of disconnector, thus reach realize chopper switch two-position monitor;
First disconnecting link pilot lamp 4 does not work, and the second disconnecting link pilot lamp 5 is bright, and device instruction disconnecting link is not at earthing position; The output of Simultaneous Switching disconnecting link photoisolator U3 is obstructed is high level, sends switch tool signal to CPU, is uploaded by CPU by data mode, reach interlock by inductance L 131; Instruction disconnecting link position at ground state.
Use photoelectric isolating device, current-limiting resistance and disconnecting link pilot lamp, realize indicate the two-position of disconnector, thus reach realize chopper switch two-position supervision,
The one control power supply of powering for switching manipulation,
And a monitoring circuit, described monitoring circuit is arranged in parallel in control power supply both sides, comprise a relay J, current-limiting resistance R1 and indicating circuit, voltage signal is converted to switching signal by current-limiting resistance R1 by described relay J, and described indicating circuit comprises relay normally closed switch J-2, and the current-limiting resistance R6 connected with relay normally closed switch J-2 and pilot lamp 1, wherein switching signal is converted to the voltage signal of another group Power supply by linkage circuit, then supplies CPU and pilot lamp;
Usual current-limiting resistance determines according to relay internal resistance, and current-limiting resistance power should be more than 3 times of relay real power; D1 is fly-wheel diode, does not produce reverse high voltage in order to protective relay coil.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. the aobvious device of switch behaviour of monitoring switch control loop template, is characterized in that, comprising:
One switch closing position monitoring circuit, described switch closing position monitoring circuit comprises switch closing position and monitors photoisolator, combined floodgate current-limiting resistance and the supervision pilot lamp that closes a floodgate, and described switch closing position monitoring circuit and CPU combined floodgate monitoring circuit link;
One switch open position monitoring circuit, described switch open position monitoring circuit comprises switch photoisolator, separating brake current-limiting resistance and separating brake and monitors pilot lamp, and described switch open position monitoring circuit and CPU separating brake monitoring circuit link;
One is arranged at the first switch tool position monitoring circuit on switch grounding switch contact loop, described first switch tool position monitoring circuit comprises the first switch tool position and monitors photoisolator, first disconnecting link current-limiting resistance and the first disconnecting link monitor pilot lamp, and described first switch tool position monitoring circuit and CPU disconnecting link monitoring circuit link;
The one control power supply of powering for switching manipulation;
Also comprise a control power supply disconnection monitoring loop, described control power supply disconnection monitoring loop is arranged in parallel in control power supply both sides, comprise a relay, divider resistance and indicating circuit, voltage signal is converted to switching signal by divider resistance by described relay, switching signal is converted to the voltage signal of another group Power supply by described indicating circuit, then supplies CPU and pilot lamp.
2. the aobvious device of switch behaviour of monitoring switch control loop template according to claim 1, is characterized in that, described relay has also been arranged in parallel diode D1, this diode D1 to current signal afterflow, protective relay.
3. the aobvious device of switch behaviour of monitoring switch control loop template according to claim 1, it is characterized in that, also comprise one and first switch tool monitoring circuit to link the second switch disconnecting link monitoring circuit monitored, second switch disconnecting link monitoring circuit comprises the second disconnecting link current-limiting resistance and the second disconnecting link pilot lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420593632.9U CN204065311U (en) | 2014-10-15 | 2014-10-15 | The aobvious device of switch behaviour of monitoring switch control loop template |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420593632.9U CN204065311U (en) | 2014-10-15 | 2014-10-15 | The aobvious device of switch behaviour of monitoring switch control loop template |
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| CN204065311U true CN204065311U (en) | 2014-12-31 |
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| CN201420593632.9U Expired - Fee Related CN204065311U (en) | 2014-10-15 | 2014-10-15 | The aobvious device of switch behaviour of monitoring switch control loop template |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882795A (en) * | 2015-05-05 | 2015-09-02 | 国家电网公司 | Power distribution network ring main unit control circuit having broken line monitoring function |
| CN109166770A (en) * | 2018-09-20 | 2019-01-08 | 湖北长江电气有限公司 | A kind of high-tension switch cabinet inner breaker divide-shut brake coil state instruction device |
| CN110146773A (en) * | 2019-06-20 | 2019-08-20 | 广东电网有限责任公司 | A kind of monitoring of control loop and fault coverage judgement system |
| CN116840740A (en) * | 2023-08-25 | 2023-10-03 | 珠海菲森电力科技有限公司 | Control loop detection circuit and method and electronic equipment |
-
2014
- 2014-10-15 CN CN201420593632.9U patent/CN204065311U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882795A (en) * | 2015-05-05 | 2015-09-02 | 国家电网公司 | Power distribution network ring main unit control circuit having broken line monitoring function |
| CN104882795B (en) * | 2015-05-05 | 2017-01-11 | 国家电网公司 | Power distribution network ring main unit control circuit having broken line monitoring function |
| CN109166770A (en) * | 2018-09-20 | 2019-01-08 | 湖北长江电气有限公司 | A kind of high-tension switch cabinet inner breaker divide-shut brake coil state instruction device |
| CN110146773A (en) * | 2019-06-20 | 2019-08-20 | 广东电网有限责任公司 | A kind of monitoring of control loop and fault coverage judgement system |
| CN116840740A (en) * | 2023-08-25 | 2023-10-03 | 珠海菲森电力科技有限公司 | Control loop detection circuit and method and electronic equipment |
| CN116840740B (en) * | 2023-08-25 | 2023-11-03 | 珠海菲森电力科技有限公司 | Control loop detection circuit and method and electronic equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20201015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |