CN204720949U - The circuit breaker automatic recloser that time delay is adjustable - Google Patents
The circuit breaker automatic recloser that time delay is adjustable Download PDFInfo
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- CN204720949U CN204720949U CN201520379222.9U CN201520379222U CN204720949U CN 204720949 U CN204720949 U CN 204720949U CN 201520379222 U CN201520379222 U CN 201520379222U CN 204720949 U CN204720949 U CN 204720949U
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Abstract
The utility model discloses the circuit breaker automatic recloser that a kind of time delay is adjustable; comprise two auxiliary relay ZJ1 and ZJ2; two time relay sjs 1 and SJ2; test button SYA, protection exit BCJ and closing circuit; be provided with five terminals; terminal one is connected with 220V direct current supply line with terminal two, is connected in series the coil of the first Chang Kaiduan ZJ11 of intermediate relay ZJ 1, the first normal-closed end SJ11 of time relay sj 1 and intermediate relay ZJ 1 between terminal one with terminal two successively.The utility model simplicity of design, is easy to realize, can according to circuit concrete condition, and the delay time of regulation time relay SJ2, guarantees circuit breaker successful reclosing; Automatic reclosing circuit breaker can only overlap once after each fault trip simultaneously, guarantees the safe operation of equipment and the continuity of power supply.
Description
Technical field
The utility model relates to a kind of circuit breaker automatic circuit, and be specifically related to a kind of after circuit breaker trip, circuit breaker can automatic reclosing circuit breaker automatic recloser once.
background technology:
When circuit or equipment break down, protective relaying device can timely action, disconnects corresponding primary cut-out with open failure point source.But many times line fault is transient fault, after circuit breaker disconnects, fault is eliminated, and circuit has recovered original state, if at this moment circuit breaker energy automatic reclosing once, so can improve continuity and the reliability of line powering greatly.
summary of the invention:
For prior art Problems existing and deficiency, the circuit breaker automatic recloser that the utility model provides simple, the convenient-to-running time delay of a kind of structure adjustable.
The technical solution of the utility model is achieved in that the adjustable circuit breaker automatic recloser of time delay is a kind of circuit breaker automatic recloser that can only overlap once, comprise two auxiliary relay ZJ1 and ZJ2, two time relay sjs 1 and SJ2, test button SYA, indicator light LD, be provided with five terminals, terminal one is connected with 220V direct current supply line with terminal two, is connected in series the coil of the first Chang Kaiduan ZJ11 of intermediate relay ZJ 1, the first normal-closed end SJ11 of time relay sj 1 and intermediate relay ZJ 1 between terminal one with terminal two successively; Test button SYA and described first Chang Kaiduan ZJ11 also connects; After being connected in series protection exit BCJ between terminal three with terminal four, terminal three and terminal four are connected in parallel on the two ends of test button SYA respectively, and wherein terminal three is connected with terminal one; Further, the second Chang Kaiduan ZJ12, the auxiliary contact DL of intermediate relay ZJ 1 and the coil of intermediate relay ZJ 2 is connected in series between terminal one with terminal two successively; First Chang Kaiduan ZJ21 of intermediate relay ZJ 2 is in parallel with described Chang Kaiduan ZJ12; Further, the second Chang Kaiduan ZJ22 of intermediate relay ZJ 2 and the coil of time relay sj 1 is connected in series between terminal one with terminal two successively; Further, the 3rd Chang Kaiduan ZJ23 of intermediate relay ZJ 2 and the coil of time relay sj 2 is connected in series between terminal one with terminal two successively; Be connected in series the first normal-closed end SJ21 of time relay sj 2 between terminal one with terminal five, terminal five is connected with closing circuit of circuit breaker input.Indicator light LD is connected with between terminal one and terminal two.
advantage of the present utility model:after circuit breaker trip, according to the actual conditions of circuit, arrange a rational delay time, guarantee that the failure condition of circuit disappears, insulation status recovers, now sends reclosing order, ensures circuit breaker successful reclosing.If same circuit there occurs permanent fault, circuit breaker to coincide with after faulty line can under the effect of relaying protection tripping circuit breaker again.In this case, the automatic circuit of circuit breaker can not start again.
This apparatus design is simple, is easy to realize, can according to circuit concrete condition, and the delay time of regulation time relay SJ2, guarantees circuit breaker successful reclosing; Automatic reclosing circuit breaker can only overlap once after each fault trip simultaneously, guarantees the safe operation of equipment and the continuity of power supply.
accompanying drawing illustrates:
Fig. 1 is principle expanded view of the present utility model.
embodiment:
Below in conjunction with accompanying drawing and enforcement, the utility model is further illustrated.
The circuit breaker automatic recloser that time delay is adjustable is the automatic recloser that can only overlap once after a kind of circuit breaker trips at every turn, is provided with five terminals, in Fig. 1, ZJ1, ZJ2 represent auxiliary relay, SJ1, SJ2 represent the time relay, and LD represents relay indicating light, and SYA represents test button.1. 2. 3. 4. 5. terminal one, terminal two, terminal three, terminal four and terminal five is represented respectively.
Terminal one connects direct current+220 volt power supply, and terminal two connects direct current-220 volt power supply, and terminal three, terminal four connect breaker protection exit relay output contact, and terminal five connects closing circuit of circuit breaker.
The coil of the first Chang Kaiduan ZJ11 of intermediate relay ZJ 1, the first normal-closed end SJ11 of time relay sj 1 and intermediate relay ZJ 1 is connected in series successively between terminal one with terminal two; Test button SYA and described first Chang Kaiduan ZJ11 also connects; After being connected in series protection exit BCJ between terminal three with terminal four, terminal three and terminal four are connected in parallel on the two ends of test button SYA respectively, and wherein terminal three is connected with terminal one.
The second Chang Kaiduan ZJ12, the auxiliary contact DL of intermediate relay ZJ 1 and the coil of intermediate relay ZJ 2 is connected in series successively between terminal one with terminal two; First Chang Kaiduan ZJ21 of intermediate relay ZJ 2 is in parallel with described Chang Kaiduan ZJ12.
The second Chang Kaiduan ZJ22 of intermediate relay ZJ 2 and the coil of time relay sj 1 is connected in series successively between terminal one with terminal two.
The 3rd Chang Kaiduan ZJ23 of intermediate relay ZJ 2 and the coil of time relay sj 2 is connected in series successively between terminal one with terminal two; Be connected in series the first normal-closed end SJ21 of time relay sj 2 between terminal one with terminal five, terminal five is connected with closing circuit of circuit breaker input.Indicator light LD is connected with between terminal one and terminal two.
operating principle:
1, circuit breaker normal operating condition: after this device terminals one and terminal two are connected with the mains, signal lamp LD is charged to be lighted, and represents that automatic circuit power supply is normal.Now relay ZJ1, ZJ2, SJ1, SJ2 is all failure to actuate.
2, after circuit breaker failure tripping operation: after protection device for circuit breaker action; its protection exit BCJ action makes circuit breaker disconnect; positive supply makes relay ZJ1 coil charged through protection exit normal opened contact BCJ, time relay normally closed contact SJ11 simultaneously, and its normal opened contact ZJ11 is closed realizes self-sustaining.Its normal opened contact ZJ12 is closed makes relay ZJ2 coil charged through auxiliary contacts of circuit breaker DL, its normal opened contact ZJ21 is closed realizes self-sustaining, its normal opened contact ZJ23 is closed makes time relay sj 2 coil charged, its normally closed contact SJ21 timing closing, send reclosing order, guarantee circuit breaker reclosing success rate.After circuit breaker overlaps, no matter whether successful reclosing, and instantaneous disconnection is removed the self-sustaining state of relay ZJ2 by its auxiliary contact DL.Normal opened contact ZJ22 is closed simultaneously makes time relay sj 1 coil charged, and make its normally closed contact SJ11 disconnect ZJ1 coil power, remove its self-holding circuit, normal opened contact ZJ12 disconnects ZJ2 coil power.Because time relay contact SJ11 is instantaneous disconnection, time closing contact; even if circuit breaker coincides with faulty line in delay time, protection exit BCJ closes again, because SJ11 is in disconnect non-return state; intermediate relay ZJ 1 can not be charged, and automatic recloser can not action again.
3, test operation: press test button SYA, so automatic recloser is by action, and operating principle is the same.
Claims (2)
1. the circuit breaker automatic recloser that a time delay is adjustable, comprise two auxiliary relay ZJ1 and ZJ2, two time relay sjs 1 and SJ2, test button SYA, protection exit BCJ and closing circuit, it is characterized in that: be provided with five terminals, terminal one is connected with 220V direct current supply line with terminal two, is connected in series the coil of the first Chang Kaiduan ZJ11 of intermediate relay ZJ 1, the first normal-closed end SJ11 of time relay sj 1 and intermediate relay ZJ 1 between terminal one with terminal two successively; Test button SYA and described first Chang Kaiduan ZJ11 also connects; After being connected in series protection exit BCJ between terminal three with terminal four, terminal three and terminal four are connected in parallel on the two ends of test button SYA respectively, and wherein terminal three is connected with terminal one; Further, the second Chang Kaiduan ZJ12, the auxiliary contact DL of intermediate relay ZJ 1 and the coil of intermediate relay ZJ 2 is connected in series between terminal one with terminal two successively; First Chang Kaiduan ZJ21 of intermediate relay ZJ 2 is in parallel with described Chang Kaiduan ZJ12; Further, the second Chang Kaiduan ZJ22 of intermediate relay ZJ 2 and the coil of time relay sj 1 is connected in series between terminal one with terminal two successively; Further, the 3rd Chang Kaiduan ZJ23 of intermediate relay ZJ 2 and the coil of time relay sj 2 is connected in series between terminal one with terminal two successively; Be connected in series the first normal-closed end SJ21 of time relay sj 2 between terminal one with terminal five, terminal five is connected with closing circuit of circuit breaker input.
2. the circuit breaker automatic recloser that time delay according to claim 1 is adjustable, is characterized in that: between terminal one and terminal two, be connected with indicator light LD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520379222.9U CN204720949U (en) | 2015-06-05 | 2015-06-05 | The circuit breaker automatic recloser that time delay is adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520379222.9U CN204720949U (en) | 2015-06-05 | 2015-06-05 | The circuit breaker automatic recloser that time delay is adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204720949U true CN204720949U (en) | 2015-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520379222.9U Expired - Fee Related CN204720949U (en) | 2015-06-05 | 2015-06-05 | The circuit breaker automatic recloser that time delay is adjustable |
Country Status (1)
| Country | Link |
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| CN (1) | CN204720949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109521311A (en) * | 2019-01-17 | 2019-03-26 | 国网江苏省电力有限公司淮安供电分公司 | Relay protection multiple exit pressing plate measuring instrument |
-
2015
- 2015-06-05 CN CN201520379222.9U patent/CN204720949U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109521311A (en) * | 2019-01-17 | 2019-03-26 | 国网江苏省电力有限公司淮安供电分公司 | Relay protection multiple exit pressing plate measuring instrument |
| CN109521311B (en) * | 2019-01-17 | 2023-10-13 | 国网江苏省电力有限公司淮安供电分公司 | Relay protection multi-outlet pressing plate measuring instrument |
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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 |
Granted publication date: 20151021 Termination date: 20160605 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |