CN207896644U - A kind of anti-closing loop of the band of breaker - Google Patents
A kind of anti-closing loop of the band of breaker Download PDFInfo
- Publication number
- CN207896644U CN207896644U CN201820352350.8U CN201820352350U CN207896644U CN 207896644 U CN207896644 U CN 207896644U CN 201820352350 U CN201820352350 U CN 201820352350U CN 207896644 U CN207896644 U CN 207896644U
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- relay
- breaker
- trip
- connection
- preventing
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Abstract
The utility model discloses a kind of anti-closing loop of the band of breaker, feature is：Including ring current, the first air switch, the second air switch, control switch, jump position monitoring circuit, microcomputer trip-preventing circuit, ontology trip-preventing circuit, the first secondary inserting piece, second secondary plug-in unit, third secondary inserting piece, the 4th secondary inserting piece, the 5th secondary inserting piece, the normally opened auxiliary switch of the 4th breaker, breaking coil；Advantage is the breaker when coordinating any protective device, can allow the ontology trip-preventing circuit perfection compatibility for jumping position monitoring circuit and breaker so that entire circuit system is more safe and reliable.
Description
Technical field
The utility model is related to Electric control field more particularly to a kind of anti-closing loops of the band of breaker.
Background technology
Rational secondary circuit design be the guarantee of power system stability operation, wherein " anti-jump " function of breaker more
It is most important.State's inner breaker and protective device manufacturer are numerous at present, when using breaker body band it is anti-jump when, it is frequent because
It jumps position monitoring circuit and breaker body anti-jump loop parameter coordination is improper, cause to constitute parasitic loop, a side because of anti-jump loop
Face can cause the voltage got on anti-trip relay to be more than its return voltage, and anti-trip relay is always maintained at without returning, thus
Cause breaker that cannot carry out second of combined floodgate；On the other hand it may lead to get on tripping position relay voltage again more than it
Operation voltage causes on protective device panel to occur after breaker open operation abnormal, such as phenomenon that red green indicator light is bright simultaneously.
Invention content
The technical problem to be solved by the utility model is to provide a kind of anti-closing loops of the band of breaker, can perfect solution
The certainly incompatible problem of the ontology trip-preventing circuit of jump position monitoring circuit and breaker, enables this two common mating reactions of circuit,
Respective defencive function is played, makes entire circuit system more safe and reliable.
Technical solution is used by the utility model solves above-mentioned technical problem：A kind of anti-breaker tripping and closing of the band of breaker time
Road, including ring current, the first air switch, the second air switch, control switch, jump position monitoring circuit, microcomputer trip-preventing circuit,
Ontology trip-preventing circuit, the first secondary inserting piece, second secondary plug-in unit, third secondary inserting piece, the 4th secondary inserting piece, the 5th secondary-plug
Part, the normally opened auxiliary switch of the 4th breaker, breaking coil, one end of first air switch, second air are opened
One end of pass is connect with the ring current, and the other end of first air switch is switched with the control respectively
One end, the jump position monitoring circuit, microcomputer trip-preventing circuit connection, the other end of the described control switch with it is described
The connection of microcomputer trip-preventing circuit, one end of the 4th secondary inserting piece connect with the microcomputer trip-preventing circuit, described the
The other end of four secondary inserting pieces is connect with one end of the 4th normally opened auxiliary switch of breaker, and the one of the breaking coil
End is connect with the other end of the 4th normally opened auxiliary switch of breaker, the other end of the breaking coil and described the
One end of five secondary inserting pieces connects, and one end of first secondary inserting piece is connect with the jump position monitoring circuit, described
The other end of first secondary inserting piece is connect with the ontology trip-preventing circuit, one end of the second secondary plug-in unit with it is described
Microcomputer trip-preventing circuit connects, and the other end of the second secondary plug-in unit connect with the ontology trip-preventing circuit, and described the
One end of three secondary inserting pieces is connect with the ontology trip-preventing circuit, the microcomputer trip-preventing circuit, the 5th secondary-plug
The other end of part, the third secondary inserting piece the other end connect with the other end of second air switch.
Further, the jump position monitoring circuit includes tripping position relay and 3rd resistor, the tripping position
The one end for setting relay is connect with the other end of first air switch, the microcomputer trip-preventing circuit respectively, described
The other end of tripping position relay is connect with one end of the 3rd resistor, the other end of the 3rd resistor with it is described
The first secondary inserting piece one end connection.
Further, the microcomputer trip-preventing circuit includes the first leap preventing relay normally open contact, the first combined floodgate holding
Relay normally open contact, the first leap preventing voltage relay normal opened contact, leap preventing potential relay coil, the 4th resistance,
Two leap preventing voltage relay normally closed contacts, combined floodgate guard relay, first resistor, hand trip(ping) relay, closing position after
Electric appliance, second resistance, leap preventing relay coil, first manual tripping relay normal opened contact, the second leap preventing relay are normal
Open contact, one end of the first leap preventing relay normally open contact, the first combined floodgate guard relay normal opened contact
One end, one end of the closing operation position relay, the first manual tripping relay normal opened contact one end, described
One end of the second leap preventing relay normally open contact, the jump position monitoring circuit it is another with first air switch
One end connects, the other end of the first combined floodgate guard relay normal opened contact respectively with the first leap preventing voltage after
One end connection of one end of electric appliance normal opened contact, the second leap preventing voltage relay normally closed contact, described first is anti-
Jump voltage relay normal opened contact the other end respectively with the other end of the first leap preventing relay normally open contact, institute
One end of the leap preventing potential relay coil stated connects, the other end of the leap preventing potential relay coil with it is described
One end of 4th resistance connects, and the other end of the 4th resistance, one end of the hand trip(ping) relay are with second
The other end of air switch connects, and one end of the combined floodgate guard relay and the second leap preventing voltage relay are normal
The other end connection of contact is closed, the other end of the combined floodgate guard relay and one end of the second secondary plug-in unit connect
It connects, the other end of the first resistor is connect with the other end of the hand trip(ping) relay, the second resistance
One end is connect with the other end of the closing operation position relay, and the other end of the second resistance is respectively with described first
The other end, described of the other end of hand trip(ping) relay normally open contact, the second leap preventing relay normally open contact
One end of leap preventing relay coil connects, the other end of the leap preventing relay coil and the 4th secondary inserting piece
One end connection.
Further, the ontology trip-preventing circuit includes the normally closed auxiliary switch of the second breaker, energy storage switchs, first breaks
The normally closed auxiliary switch of road device, closing coil, the first breaker limit switch, the second breaker limit switch, anti-trip relay turn
Contact, zero resistance, anti-trip relay, the normally opened auxiliary switch of third breaker are changed, the first breaker limit switch
One end, the second breaker limit switch one end connect respectively with the other end of the second secondary plug-in unit, it is described
The other end of the first breaker limit switch, the second breaker limit switch the other end respectively with it is described anti-jump
One end connection at the ends a of relay transfer contact, the normally opened auxiliary switch of third breaker, the anti-trip relay turn
The ends c for changing contact connect with one end of the other end of the normally opened auxiliary switch of third breaker, the zero resistance respectively
It connects, the other end of the zero resistance is connect with one end of the anti-trip relay, and anti-trip relay conversion is touched
The ends b of point are connect with one end of the normally closed auxiliary switch of the second breaker, the normally closed auxiliary switch of the second breaker
The other end connect with one end that the energy storage switchs, the other end of energy storage switch is breaking with described first respectively
The other end connection of one end of the normally closed auxiliary switch of device, first secondary inserting piece, the normally closed auxiliary of the first breaker
The other end of switch is connect with one end of the closing coil, the other end of the closing coil, the anti-jump relay
The other end of device is connect with one end of the third secondary inserting piece.
Further, the other end of the second secondary plug-in unit, the ontology trip-preventing circuit, the third are secondary
One end of plug-in unit is connected with full wave bridge rectifier circuit.
Further, the full wave bridge rectifier circuit includes the first diode, the second diode, the three or two pole
Pipe, the 4th diode, first diode anode respectively with the cathode of second diode, the described the 2nd 2
The other end of secondary plug-in unit connects, the cathode of first diode respectively with the first breaker limit switch one
The cathode connection at end, one end of the second breaker limit switch, the 4th diode, second diode
Anode respectively with the other end of positive, described closing coil of the third diode, the anti-trip relay
The other end connects, and the cathode of the third diode is secondary with positive, described third of the 4th diode respectively
One end of plug-in unit connects.
Further, the full-wave bridge rectifier circuit provides the closing coil, the anti-trip relay
Power supply.
Compared with prior art, the utility model has the advantages that：Jump position monitoring circuit is evaded and breaker body is anti-jump
Generated parasitic loop in the case that circuit shares keeps the monitoring of jump position and breaker body anti-jump compatible, using all-wave
Bridge rectifier makes element generalization, design be greatly saved using producer's material stock so that product is more by user blueness
It looks at, compared with similar products, high added value, high efficiency, high-performance, easy care repair, are at low cost, therefore system lifetim carries
Height, failure rate reduce, and reliability and stability enhancing has more the market competitiveness.
Description of the drawings
Fig. 1 is the bulk loop of the anti-closing loop of band of breaker.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing embodiment.
As shown, a kind of 1, anti-closing loop of the band of breaker, including ring current VCC, the first air switch+
KM, the second air switch-KM, control switch KK, position monitoring circuit 1, microcomputer trip-preventing circuit 2, ontology trip-preventing circuit 3, all-wave are jumped
Bridge rectifier circuit 4, the first secondary inserting piece CZ:2, second secondary plug-in unit CZ:14, third secondary inserting piece CZ:4, the four or two time
Plug-in unit CZ:30, the 5th secondary inserting piece CZ:31, the normally opened auxiliary switch QF4 of the 4th breaker, breaking coil TQ, the first air switch
One end of+KM, the second air switch-KM one end connect with ring current VCC, the other end of the first air switch+KM point
It is not connect with one end of control switch KK, jump position monitoring circuit 1, microcomputer trip-preventing circuit 2, the other end and microcomputer of control switch KK
Trip-preventing circuit 2 connects, the 4th secondary inserting piece CZ:30 one end is connect with microcomputer trip-preventing circuit 2, the 4th secondary inserting piece CZ:30
The other end is connect with one end of the normally opened auxiliary switch QF4 of the 4th breaker, and one end of breaking coil TQ and the 4th breaker are normally opened
The other end of auxiliary switch QF4 connects, the other end of breaking coil TQ and the 5th secondary inserting piece CZ:31 one end connection, first
Secondary inserting piece CZ:2 one end is connect with position monitoring circuit 1 is jumped, the first secondary inserting piece CZ:2 other end and ontology trip-preventing circuit 3
Connection, second secondary plug-in unit CZ:14 one end is connect with microcomputer trip-preventing circuit 2, second secondary plug-in unit CZ:14 other end with it is complete
Wave bridge rectifier circuit 4 connects, and full wave bridge rectifier circuit 4 is connect with ontology trip-preventing circuit 3, third secondary inserting piece CZ:4
One end connect with full wave bridge rectifier circuit 4, microcomputer trip-preventing circuit 2, the 5th secondary inserting piece CZ:31 other end, third
Secondary inserting piece CZ:4 other end is connect with the other end of the second air switch-KM.
Jump position monitoring circuit 1 include tripping position relay TWJ and 3rd resistor R3, the one of tripping position relay TWJ
End connect respectively with the other end of the first air switch+KM, microcomputer trip-preventing circuit 2, the other end of tripping position relay TWJ and
One end of 3rd resistor R3 connects, the other end of 3rd resistor R3 and the first secondary inserting piece CZ:2 one end connection.
Microcomputer trip-preventing circuit 2 is normally opened including the first leap preventing relay normally open contact TBJ1, the first combined floodgate guard relay
Contact HBJ1, the first leap preventing voltage relay normal opened contact TBJV1, leap preventing potential relay coil TBJV, the 4th resistance
R4, the second leap preventing voltage relay normally closed contact TBJV2, combined floodgate guard relay HBJ, first resistor R1, hand trip(ping) after
Electric appliance STJ, closing operation position relay HWJ, second resistance R2, leap preventing relay coil TBJ, first manual tripping relay are normal
Open contact STJ1, the second leap preventing relay normally open contact TBJ2, one end of the first leap preventing relay normally open contact TBJ1,
One end of one combined floodgate guard relay normal opened contact HBJ1, one end of closing operation position relay HWJ, first manual tripping relay
One end of normal opened contact STJ1, one end of the second leap preventing relay normally open contact TBJ2, jump position monitoring circuit 1 are empty with first
The other end of air cock+KM connects, the other end of the first combined floodgate guard relay normal opened contact HBJ1 respectively with the first leap preventing
One end connection of one end of voltage relay normal opened contact TBJV1, the second leap preventing voltage relay normally closed contact TBJV2, the
The other end of one leap preventing voltage relay normal opened contact TBJV1 is another with the first leap preventing relay normally open contact TBJ1 respectively
One end connection of one end, leap preventing potential relay coil TBJV, the other end of leap preventing potential relay coil TBJV and the
One end of four resistance R4 connects, and the other end of the 4th resistance R4, one end of hand trip(ping) relay STJ are opened with the second air
The other end of pass-KM connects, one end of combined floodgate guard relay HBJ and the second leap preventing voltage relay normally closed contact TBJV2
Other end connection, the other end of combined floodgate guard relay HBJ and second secondary plug-in unit CZ:14 one end connection, first resistor
The other end of R1 is connect with the other end of hand trip(ping) relay STJ, one end and the closing operation position relay HWJ of second resistance R2
Other end connection, the other end of second resistance R2 respectively with the other end of first manual tripping relay normal opened contact STJ1,
One end connection of the other end, leap preventing relay coil TBJ of second leap preventing relay normally open contact TBJ2, leap preventing relay
The other end and the 4th secondary inserting piece CZ of device coil TBJ:30 one end connection.
Ontology trip-preventing circuit 3 is normally closed including the normally closed auxiliary switch QF2 of the second breaker, energy storage switch S1, the first breaker
Auxiliary switch QF1, closing coil HQ, the first breaker limit switch S8, the second breaker limit switch S9, anti-trip relay turn
Change the normally opened auxiliary switch QF3 of contact K1, zero resistance R0, anti-trip relay KO, third breaker, the first breaker limit switch
One end of S8, the second breaker limit switch S9 one end connect respectively with full wave bridge rectifier circuit 4, the first breaker limit
The other end of bit switch S8, the second breaker limit switch S9 the other end respectively with the ends a of anti-trip relay transfer contact K1,
One end of the normally opened auxiliary switch QF3 of third breaker connects, the ends c of anti-trip relay transfer contact K1 respectively with third breaker
One end connection of the other end, zero resistance R0 of normally opened auxiliary switch QF3, the other end and the anti-trip relay KO of zero resistance R0
One end connection, the ends b of anti-trip relay transfer contact K1 connect with one end of the normally closed auxiliary switch QF2 of the second breaker, the
The other end of the normally closed auxiliary switch QF2 of two breakers is connect with one end of energy storage switch S1, the other end difference of energy storage switch S1
One end, the first secondary inserting piece CZ with the normally closed auxiliary switch QF1 of the first breaker:2 other end connection, the first breaker are normally closed
The other end of auxiliary switch QF1 is connect with one end of closing coil HQ, the other end of closing coil HQ, anti-trip relay KO it is another
One end is connect with full wave bridge rectifier circuit 4.
Full wave bridge rectifier circuit 4 includes the first diode D1, the second diode D2, third diode D3, the four or two
Pole pipe D4, the first diode D1 anode respectively with the cathode of the second diode D2, second secondary plug-in unit CZ:14 other end connects
Connect, the cathode of the first diode D1 respectively with one end of the first breaker limit switch S8, the second breaker limit switch S9
The cathode connection of one end, the 4th diode D4, positive anode, the closing line with third diode D3 respectively of the second diode D2
The other end connection of the other end, anti-trip relay KO of HQ is enclosed, the cathode of third diode D3 is respectively with the 4th diode D4's
Anode, third secondary inserting piece CZ:4 one end connection.
Full-wave bridge rectifier circuit 4 provides power supply to closing coil HQ, anti-trip relay KO.
Claims (7)
1. a kind of anti-closing loop of the band of breaker, it is characterised in that including ring current（VCC）, the first air switch（+
KM）, the second air switch（-KM）, control switch（KK）, jump position monitoring circuit（1）, microcomputer trip-preventing circuit（2）, the anti-jump electricity of ontology
Road（3）, the first secondary inserting piece（CZ:2）, second secondary plug-in unit（CZ:14）, third secondary inserting piece（CZ:4）, the 4th secondary inserting piece
（CZ:30）, the 5th secondary inserting piece（CZ:31）, the 4th normally opened auxiliary switch of breaker（QF4）, breaking coil（TQ）, described
One air switch（+KM）One end, second air switch（-KM）One end with the ring current（VCC）Even
It connects, first air switch（+KM）The other end switched respectively with the control（KK）One end, the jump position prison
Depending on circuit（1）, described microcomputer trip-preventing circuit（2）Connection, control switch（KK）The other end and the microcomputer it is anti-
Jumping circuit（2）Connection, the 4th secondary inserting piece（CZ:30）One end and the microcomputer trip-preventing circuit（2）Connection, it is described
The 4th secondary inserting piece（CZ:30）The other end and the 4th normally opened auxiliary switch of breaker（QF4）One end connection, institute
The breaking coil stated（TQ）One end and the 4th normally opened auxiliary switch of breaker（QF4）The other end connection, it is described
Breaking coil（TQ）The other end and the 5th secondary inserting piece（CZ:31）One end connection, first secondary inserting piece
（CZ:2）One end and the jump position monitoring circuit（1）Connection, first secondary inserting piece（CZ:2）The other end and institute
The ontology trip-preventing circuit stated（3）Connection, the second secondary plug-in unit（CZ:14）One end and the microcomputer trip-preventing circuit
（2）Connection, the second secondary plug-in unit（CZ:14）The other end and the ontology trip-preventing circuit（3）Connection, described the
Three secondary inserting pieces（CZ:4）One end and the ontology trip-preventing circuit（3）Connection, the microcomputer trip-preventing circuit（2）, it is described
The 5th secondary inserting piece（CZ:31）The other end, the third secondary inserting piece（CZ:4）The other end with described second
Air switch（-KM）The other end connection.
2. a kind of anti-closing loop of the band of breaker as described in claim 1, it is characterised in that：The jump position monitoring electricity
Road（1）Including tripping position relay（TWJ）And 3rd resistor（R3）, the tripping position relay（TWJ）One end point
Not with first air switch（+KM）The other end, the microcomputer trip-preventing circuit（2）Connection, the trip position
Relay（TWJ）The other end and the 3rd resistor（R3）One end connection, the 3rd resistor（R3）The other end
With first secondary inserting piece（CZ:2）One end connection.
3. a kind of anti-closing loop of the band of breaker as described in claim 1, it is characterised in that：The anti-jump electricity of the microcomputer
Road（2）Including the first leap preventing relay normally open contact（TBJ1）, the first combined floodgate guard relay normal opened contact（HBJ1）, first
Leap preventing voltage relay normal opened contact（TBJV1）, leap preventing potential relay coil（TBJV）, the 4th resistance（R4）, second
Leap preventing voltage relay normally closed contact（TBJV2）, combined floodgate guard relay（HBJ）, first resistor（R1）, hand trip(ping) relay
Device（STJ）, closing operation position relay（HWJ）, second resistance（R2）, leap preventing relay coil（TBJ）, first manual tripping after
Electric appliance normal opened contact（STJ1）, the second leap preventing relay normally open contact（TBJ2）, the first leap preventing relay normally open
Contact（TBJ1）One end, the first combined floodgate guard relay normal opened contact（HBJ1）One end, the closing position
Relay（HWJ）One end, the first manual tripping relay normal opened contact（STJ1）One end, described second anti-jump
Jump relay normally open contact（TBJ2）One end, the jump position monitoring circuit（1）With first air switch（+KM）
The other end connection, the first combined floodgate guard relay normal opened contact（HBJ1）The other end it is anti-with described first respectively
Jump voltage relay normal opened contact（TBJV1）One end, the second leap preventing voltage relay normally closed contact（TBJV2）
One end connection, the first leap preventing voltage relay normal opened contact（TBJV1）The other end respectively with described first
Leap preventing relay normally open contact（TBJ1）The other end, the leap preventing potential relay coil（TBJV）One end connect
It connects, the leap preventing potential relay coil（TBJV）The other end and the 4th resistance（R4）One end connection, institute
The 4th resistance stated（R4）The other end, the hand trip(ping) relay（STJ）One end opened with second air
It closes（-KM）The other end connection, the combined floodgate guard relay（HBJ）One end and the second leap preventing voltage relay
Device normally closed contact（TBJV2）The other end connection, the combined floodgate guard relay（HBJ）The other end and the described 2nd 2
Secondary plug-in unit（CZ:14）One end connection, the first resistor（R1）The other end and the hand trip(ping) relay（STJ）
The other end connection, the second resistance（R2）One end and the closing operation position relay（HWJ）The other end connection,
The second resistance（R2）The other end respectively with the first manual tripping relay normal opened contact（STJ1）It is another
End, the second leap preventing relay normally open contact（TBJ2）The other end, the leap preventing relay coil（TBJ）'s
One end connects, the leap preventing relay coil（TBJ）The other end and the 4th secondary inserting piece（CZ:30）One end
Connection.
4. a kind of anti-closing loop of the band of breaker as described in claim 1, it is characterised in that：The anti-jump electricity of the ontology
Road（3）Including the normally closed auxiliary switch of the second breaker（QF2）, energy storage switch（S1）, the normally closed auxiliary switch of the first breaker
（QF1）, closing coil（HQ）, the first breaker limit switch（S8）, the second breaker limit switch（S9）, anti-trip relay turn
Change contact（K1）, zero resistance（R0）, anti-trip relay（KO）, the normally opened auxiliary switch of third breaker（QF3）, described first
Breaker limit switch（S8）One end, the second breaker limit switch（S9）One end respectively with the described the 2nd 2
Secondary plug-in unit（CZ:14）The other end connection, the first breaker limit switch（S8）The other end, described second open circuit
Device limit switch（S9）The other end respectively with the anti-trip relay transfer contact（K1）The ends a, the third open circuit
The normally opened auxiliary switch of device（QF3）One end connection, the anti-trip relay transfer contact（K1）The ends c respectively with described
The normally opened auxiliary switch of three breakers（QF3）The other end, the zero resistance（R0）One end connection, the zero resistance
（R0）The other end and the anti-trip relay（KO）One end connection, the anti-trip relay transfer contact（K1）B
End and the normally closed auxiliary switch of the second breaker（QF2）One end connection, the normally closed auxiliary switch of the second breaker
（QF2）The other end switched with the energy storage（S1）One end connection, the energy storage switch（S1）The other end respectively with
The normally closed auxiliary switch of first breaker（QF1）One end, first secondary inserting piece（CZ:2）The other end connection,
The normally closed auxiliary switch of first breaker（QF1）The other end and the closing coil（HQ）One end connection, it is described
Closing coil（HQ）The other end, the anti-trip relay（KO）The other end with the third secondary inserting piece（CZ:
4）One end connection.
5. a kind of anti-closing loop of the band of breaker as claimed in claim 4, it is characterised in that described is second secondary slotting
Part（CZ:14）The other end, the ontology trip-preventing circuit（3）, described third secondary inserting piece（CZ:4）One end be connected with
Full wave bridge rectifier circuit（4）.
6. a kind of anti-closing loop of the band of breaker as claimed in claim 5, it is characterised in that：The full wave bridge type is whole
Flow device circuit（4）Including the first diode（D1）, the second diode（D2）, third diode（D3）, the 4th diode（D4）, institute
The first diode stated（D1）Anode respectively with second diode（D2）Cathode, the second secondary plug-in unit
（CZ:14) other end connection, first diode（D1）Cathode respectively with the first breaker limit switch
（S8）One end, the second breaker limit switch（S9）One end, the 4th diode（D4）Cathode connection,
Second diode（D2）Anode respectively with the third diode（D3）Positive, described closing coil（HQ）
The other end, the anti-trip relay（KO）The other end connection, the third diode（D3）Cathode respectively with institute
The 4th diode stated（D4）Positive, described third secondary inserting piece（CZ:4）One end connection.
7. a kind of anti-closing loop of the band of breaker as claimed in claim 5, which is characterized in that the full wave bridge type is whole
Flow device circuit（4）To the closing coil（HQ）, described anti-trip relay（KO）Power supply is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820352350.8U CN207896644U (en) | 2018-03-15 | 2018-03-15 | A kind of anti-closing loop of the band of breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820352350.8U CN207896644U (en) | 2018-03-15 | 2018-03-15 | A kind of anti-closing loop of the band of breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207896644U true CN207896644U (en) | 2018-09-21 |
Family
ID=63542222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820352350.8U Active CN207896644U (en) | 2018-03-15 | 2018-03-15 | A kind of anti-closing loop of the band of breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207896644U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111192778A (en) * | 2020-01-06 | 2020-05-22 | 国网河北省电力有限公司 | Secondary circuit for reducing burning times of closing coil |
| CN113078034A (en) * | 2021-04-26 | 2021-07-06 | 福建工程学院 | Household air switch device capable of automatically switching on after tripping and control method |
-
2018
- 2018-03-15 CN CN201820352350.8U patent/CN207896644U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111192778A (en) * | 2020-01-06 | 2020-05-22 | 国网河北省电力有限公司 | Secondary circuit for reducing burning times of closing coil |
| CN113078034A (en) * | 2021-04-26 | 2021-07-06 | 福建工程学院 | Household air switch device capable of automatically switching on after tripping and control method |
| CN113078034B (en) * | 2021-04-26 | 2023-04-21 | 福建工程学院 | Air switch device for automatic closing after tripping for household and control method |
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