CN204177927U - A kind of permanent-magnet breaker characteristic test control circuit - Google Patents
A kind of permanent-magnet breaker characteristic test control circuit Download PDFInfo
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- CN204177927U CN204177927U CN201420624062.5U CN201420624062U CN204177927U CN 204177927 U CN204177927 U CN 204177927U CN 201420624062 U CN201420624062 U CN 201420624062U CN 204177927 U CN204177927 U CN 204177927U
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- permanent
- magnet breaker
- control circuit
- circuit
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Abstract
The utility model discloses a kind of permanent-magnet breaker characteristic test control circuit.Permanent-magnet breaker characteristic test control circuit comprises sub-gate circuit, closing circuit, separating brake responding to switch circuit, combined floodgate responding to switch circuit.For most of regular tap characteristic tester cannot directly measure permanent-magnet breaker (comprising control circuit) point combined floodgate making time, explore a kind of by improve the controller mode of connection measure permanent-magnet breaker divide combined floodgate making time.During test permanent magnetism permanent-magnet breaker branch wire time, only need point combined floodgate test point correspondingly access respectively switching characteristic tester divide switching signal.Adopt the controller of this structure, can test out the permanent-magnet breaker comprising the controller response time divide closing time.Overcome the drawback of controller test in the past, make the determination of time point convenient, accurate, with low cost, be conducive to " repair based on condition of component " that realize permanent-magnet breaker.
Description
Technical field
The utility model relates to a kind of control circuit.Particularly relate to a kind of permanent-magnet breaker characteristic test control circuit.
Background technology
Permanent-magnet breaker point closing time be an important content of permanent-magnet breaker characteristic test, be also the important indicator weighing permanent-magnet breaker state.Very important concerning relay protection and the action message of aut.eq. and the stability of whole electric system.Permanent-magnet breaker point closing time be exactly permanent-magnet breaker divide the charged initial time of closing circuit and permanent-magnet breaker contact divide close mistiming in complete moment, the accuracy requirement of time was 1 Bo second.
Most of regular tap characteristic testers of current domestic production directly cannot measure the total branch wire time of permanent-magnet breaker, explore a kind of measuring method combined by switching characteristic tester and controller.The parameters such as traditional test permanent magnetism permanent-magnet breaker time switching characteristic tester are set to Non-follow control, again by the divide-shut brake button control permanent-magnet breaker divide-shut brake of controller, permanent-magnet breaker drives sensor actuation to start to obtain permanent-magnet breaker actuation time to stopping, due to Non-follow control control circuit, the response time of control circuit cannot measure, so exist and can only test out permanent-magnet breaker actuation time, the problem of the permanent-magnet breaker comprising the control circuit response time total actuation time can not be tested out.In a word, existingly all there is respective shortcoming about permanent-magnet breaker branch wire time detection method.
Utility model content
In view of this, the utility model provides a kind of permanent-magnet breaker characteristic test control circuit.Not only can test out permanent-magnet breaker actuation time, also can test out the response time of control circuit, test out the branch wire time of permanent-magnet breaker effectively and accurately.
For solving above technical matters, the technical solution of the utility model is adopt a kind of novel permanent-magnet breaker characteristic test control circuit.Comprise sub-gate circuit, closing circuit, separating brake responding to switch circuit and combined floodgate responding to switch circuit; The input of described separating brake responding to switch circuit is connected with the output of the sub-gate signal of switching characteristic tester, and the output of described separating brake responding to switch circuit is connected with described sub-gate circuit input end; The input of described combined floodgate responding to switch circuit is connected with the output of the switching signal of switching characteristic tester, and the output of described combined floodgate responding to switch circuit is connected with described closing circuit input end; The contact E of described separating brake responding to switch circuit be connected with the contact E of described combined floodgate responding to switch circuit and ground connection as the power output end of described control circuit; Described separating brake responding to switch circuit junction E is connected with the sub-gate signal "-" of switching characteristic tester; Described combined floodgate responding to switch circuit junction E is connected with the switching signal "-" of switching characteristic tester; Described control circuit is connected with permanent-magnet breaker to be measured.
Preferably, described separating brake responding to switch electricity routing resistance adds triode composition.Wherein the ground level B of triode VT1 connects a tip node of divider resistance R1, the output terminal of the other end contact connecting valve characteristic tester sub-gate signal of divider resistance R1, the input of the sub-gate circuit of collector C connection control circuit, the output terminal of emitter E connecting valve characteristic tester sub-gate signal "-".
Preferably, described combined floodgate responding to switch electricity routing resistance adds triode composition.Wherein the ground level B of triode VT2 connects a tip node of divider resistance R2, the output terminal of the other end contact connecting valve characteristic tester switching signal of divider resistance R2, the input of the closing circuit of collector C connection control circuit, the output terminal of emitter E connecting valve characteristic tester switching signal "-".
Preferably, described triode VT1 is NPN type.
Preferably, described triode VT2 is NPN type.
Preferably, described triode VT1 is high power valve.
Preferably, described triode VT2 is high power valve.
Primary improvements of the present utility model be by original control circuit divide-shut brake button manual control circuit substitute with being added the on-off circuit that resistance forms by triode, thus Electronic control.Utilize the switching characteristic of triode, realize the Electronic control to divide-shut brake loop break-make in control circuit.
The beneficial effects of the utility model are: Electronic control replaces Non-follow control, so not only can test out the actuation time of permanent-magnet breaker, the control circuit response time can also be tested out, and then test out permanent-magnet breaker total actuation time and control circuit response time and permanent-magnet breaker sum actuation time.
Accompanying drawing explanation
Fig. 1 is existing permanent-magnet breaker characteristic test system wiring diagram.
Fig. 2 is the utility model permanent-magnet breaker characteristic test circuit electric control system block diagram.
Fig. 3 is that the utility model permanent-magnet breaker characteristic examining system is tried line chart.
In Fig. 1: 1, sensor 2, control circuit connection terminal 7, sensor terminals
In Fig. 3: 8, sensor 9, control circuit connection terminal 10, sensor terminals 11, closing circuit input end 12, sub-gate circuit input end 13, control circuit power output end
Embodiment
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with embodiment, the utility model is described in further detail.
As shown in Figure 1, originally A, B, C of switching characteristic tester connect one to one A phase, B phase, the C phase of permanent-magnet breaker respectively, and the N on switching characteristic tester is connected with the zero line of permanent-magnet breaker respectively.The sensor of permanent-magnet breaker is connected with sensor terminals (7) of switching characteristic tester, and the control circuit connection terminal (2) of permanent-magnet breaker is connected with controller.
Originally during test permanent-magnet breaker opening time, first the testing button on switching characteristic tester is pressed, and then the opening button pressed on controller, sub-gate circuit conducting in this Time Controller, control permanent-magnet breaker separating brake, permanent-magnet breaker drives sensor actuation to start to stopping, during this period of time i.e. permanent-magnet breaker opening time i.e. permanent-magnet breaker separating brake actuation time.
Similarly, originally during test permanent-magnet breaker closing time, first the testing button on switching characteristic tester is pressed, and then the switch knob pressed on controller, closing circuit conducting in this Time Controller, control permanent-magnet breaker closes a floodgate, and permanent-magnet breaker drives sensor actuation to start to stopping, is permanent-magnet breaker closing time i.e. permanent-magnet breaker feed motion time during this period of time.
As shown in Figure 2, closing circuit responding to switch circuit in the utility model control circuit: triode VT1 selects high power valve.The base stage B of triode VT1 connects a tip node of divider resistance R1, and collector C connects the input end of the closing circuit in described control circuit, the power output end of emitter E connection control circuit.
As shown in Figure 2, in the utility model controller, sub-gate circuit responding to switch establishes circuit: triode VT2 selects high power valve.The base stage B of triode VT2 connects a tip node of divider resistance R2, and collector C connects the sub-gate circuit input end in described control circuit, the power output end of emitter E connection control circuit.
As shown in Figure 3, the tester in the utility model embodiment and switching characteristic tester, controller and described control circuit.A, B, C of described tester connect one to one A phase, B phase, the C phase of permanent-magnet breaker respectively, and the N on tester is connected with the zero line of permanent-magnet breaker respectively.The sensor of permanent-magnet breaker is connected with sensor terminals (10) of tester, and the control circuit connection terminal (9) of permanent-magnet breaker is connected with controller.The base stage B of input triode VT2 of described separating brake responding to switch circuit is connected with the output sub-gate signal "+" of switching characteristic tester, and the collector C of the output triode VT2 of described separating brake responding to switch circuit is connected with the input end (12) of the sub-gate circuit in described control circuit.The base stage B of input triode VT1 of described combined floodgate responding to switch circuit is connected with the output switching signal "+" of switching characteristic tester, and the collector C of the output triode VT2 of described combined floodgate responding to switch circuit is connected with the closing circuit input end (11) in described control circuit.One place's contact of described separating brake responding to switch circuit and the emitter E of triode VT2 are connected with the power output end (13) of described control circuit and the sub-gate signal "-" of switching characteristic tester, and place's contact of described combined floodgate responding to switch circuit is connected with the switching signal "-" of the power output end (13) of described control circuit and switching characteristic tester.Described control circuit is connected with permanent-magnet breaker to be measured.
On concrete enforcement, when testing permanent-magnet breaker opening time, do not need to press opening button, only the testing button on tester need be pressed, now when base current Ib is very large, C-E is conducting state, triode VT2 conducting, realize Electronic control, the sub-gate circuit conducting of described control circuit, control permanent-magnet breaker separating brake, permanent-magnet breaker drives sensor actuation to start to stopping, is the response time sum of permanent-magnet breaker opening time i.e. permanent-magnet breaker separating brake actuation time and described control circuit during this period of time.
On concrete enforcement, when testing permanent-magnet breaker closing time, do not need to press switch knob, only the testing button on tester need be pressed, now when base current Ib is very large, C-E is conducting state, triode VT1 conducting, realize Electronic control, the now closing circuit conducting of described control circuit, control permanent-magnet breaker closes a floodgate, permanent-magnet breaker drives sensor actuation to start to stopping, switching characteristic tester records this period, be the response time sum of permanent-magnet breaker closing time i.e. permanent-magnet breaker feed motion time and described control circuit during this period of time.
Be exactly total control circuit response time permanent-magnet breaker divide-shut brake action real time and permanent-magnet breaker sum actuation time.So just test out permanent-magnet breaker divide-shut brake total action real time accurately and effectively.
Below be only preferred implementation of the present utility model, it should be pointed out that above-mentioned preferred implementation should not be considered as restriction of the present utility model, protection domain of the present utility model should be as the criterion with claim limited range.For those skilled in the art, not departing from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. a permanent-magnet breaker characteristic test control circuit, comprises sub-gate circuit, closing circuit, separating brake responding to switch circuit and combined floodgate responding to switch circuit; The input of described separating brake responding to switch circuit is connected with the output of the sub-gate signal of switching characteristic tester, and the output of described separating brake responding to switch circuit is connected with described sub-gate circuit input end; The input of described combined floodgate responding to switch circuit is connected with the output of the switching signal of switching characteristic tester, and the output of described combined floodgate responding to switch circuit is connected with described closing circuit input end; The contact E of described separating brake responding to switch circuit be connected with the contact E of described combined floodgate responding to switch circuit and ground connection as the power output end of described control circuit; Described separating brake responding to switch circuit junction E is connected with the sub-gate signal "-" of switching characteristic tester; Described combined floodgate responding to switch circuit junction E is connected with the switching signal "-" of switching characteristic tester; Described control circuit is connected with permanent-magnet breaker to be measured.
2. permanent-magnet breaker characteristic test control circuit as claimed in claim 1, it is characterized in that: described separating brake responding to switch electricity routing resistance adds triode composition, wherein the ground level B of triode VT1 connects a tip node of divider resistance R1, the output terminal of the other end contact connecting valve characteristic tester sub-gate signal of divider resistance R1, the input of the sub-gate circuit of collector C connection control circuit, the output terminal of emitter E connecting valve characteristic tester sub-gate signal "-".
3. permanent-magnet breaker characteristic test control circuit as claimed in claim 1, it is characterized in that: described combined floodgate responding to switch electricity routing resistance adds triode composition, wherein the ground level B of triode VT2 connects a tip node of divider resistance R2, the output terminal of the other end contact connecting valve characteristic tester switching signal of divider resistance R2, the input of the closing circuit of collector C connection control circuit, the output terminal of emitter E connecting valve characteristic tester switching signal "-".
4. permanent-magnet breaker characteristic test control circuit as claimed in claim 2, is characterized in that: described triode VT1 is NPN type.
5. permanent-magnet breaker characteristic test control circuit as claimed in claim 3, is characterized in that: described triode VT2 is NPN type.
6. permanent-magnet breaker characteristic test control circuit as claimed in claim 2, is characterized in that: described triode VT1 is high power valve.
7. permanent-magnet breaker characteristic test control circuit as claimed in claim 3, is characterized in that: described triode VT2 is high power valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420624062.5U CN204177927U (en) | 2014-10-24 | 2014-10-24 | A kind of permanent-magnet breaker characteristic test control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420624062.5U CN204177927U (en) | 2014-10-24 | 2014-10-24 | A kind of permanent-magnet breaker characteristic test control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN204177927U true CN204177927U (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420624062.5U Expired - Fee Related CN204177927U (en) | 2014-10-24 | 2014-10-24 | A kind of permanent-magnet breaker characteristic test control circuit |
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| CN (1) | CN204177927U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370418A (en) * | 2016-11-11 | 2017-02-01 | 郭云花 | Circuit breaker mechanical characteristic test assisting instrument |
| CN108490348A (en) * | 2018-05-25 | 2018-09-04 | 广东电网有限责任公司 | Breaker performance test methods, the apparatus and system of the double earthing knife-switch of band |
-
2014
- 2014-10-24 CN CN201420624062.5U patent/CN204177927U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370418A (en) * | 2016-11-11 | 2017-02-01 | 郭云花 | Circuit breaker mechanical characteristic test assisting instrument |
| CN108490348A (en) * | 2018-05-25 | 2018-09-04 | 广东电网有限责任公司 | Breaker performance test methods, the apparatus and system of the double earthing knife-switch of band |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20201024 |