CN207800477U - A kind of high-voltage circuitbreaker of self-protection - Google Patents
A kind of high-voltage circuitbreaker of self-protection Download PDFInfo
- Publication number
- CN207800477U CN207800477U CN201820293056.4U CN201820293056U CN207800477U CN 207800477 U CN207800477 U CN 207800477U CN 201820293056 U CN201820293056 U CN 201820293056U CN 207800477 U CN207800477 U CN 207800477U
- Authority
- CN
- China
- Prior art keywords
- breaker
- circuit
- auxiliary switch
- protection
- protection circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000000903 blocking effect Effects 0.000 claims abstract description 5
- 150000001875 compounds Chemical class 0.000 claims abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model discloses a kind of high-voltage circuitbreakers of self-protection, on the basis of existing switchgear vacuum circuit breaker, relay protection function is realized by increasing relay protection circuit on breaker body, the relay protection circuit includes trip protection circuit, the overcurrent trip and auxiliary switch S2 that the trip protection circuit is arranged in major loop and electric motor loop, S3, the auxiliary switch S2, S3 and the auxiliary switch S1 being arranged in closing circuit are interlocked, locking auxiliary switch in closing circuit links with the blocking coil Y1 being arranged in locked loop, the trip protection circuit uses compound inslation mode.The utility model integrates protection and breaker function, is suitable for power system transformer substation and switchgear house high-tension switch cabinet, can fully meet the requirement of the power high voltage switchgear safe operation of 110KV and following voltage class.
Description
Technical field
The utility model is related to a kind of high-voltage circuitbreakers, are mainly used for power system transformer substation and switchgear house high-voltage switch gear
Cabinet.
Background technology
High-pressure vacuum breaker is all monomer in switchgear at present, does not have protection arbitration functions, it is necessary to individually with guarantor
Protection unit, there are wiring complexity, some disadvantages such as high failure rate, of high cost do not adapt to power automation development level.
Invention content
The utility model is opened existing in view of the shortcomings of the prior art, propose a kind of high-voltage circuitbreaker of self-protection
On the basis of closing cabinet vacuum circuit breaker, by adding relay protection circuit on breaker body, relay protection function is realized, is collected
Protection and breaker function are in one.
Technical solution used by the utility model：
A kind of high-voltage circuitbreaker of self-protection, on the basis of existing switchgear vacuum circuit breaker, by breaker
Increase relay protection circuit on ontology and realize relay protection function, the relay protection circuit includes trip protection circuit, described
The overcurrent trip and auxiliary switch S2, S3, the auxiliary that trip protection circuit is arranged in major loop and electric motor loop are opened
The auxiliary switch S1 for closing S2, S3 and being arranged in closing circuit is interlocked, and the locking auxiliary switch in closing circuit is latched with setting
Blocking coil Y1 linkages in circuit, the trip protection circuit use compound inslation mode.
The high-voltage circuitbreaker of the self-protection, breaker use handcart-type structure, configure interlocking unit, divide-shut brake behaviour
Make auxiliary switch QF interlockings to be set in closing circuit, locked loop and sub-gate circuit, breaker work/experiment switching switch
Be set in locked loop, breaker work/test auxiliary switch be respectively arranged at breaker work and experimental loop.
The beneficial effects of the utility model：
1, the high-voltage circuitbreaker of the utility model self-protection passes through on the basis of existing switchgear vacuum circuit breaker
Relay protection circuit is added on breaker body, realizes relay protection function, integrates protection and breaker function.It is suitable
For power system transformer substation and switchgear house high-tension switch cabinet, 110KV and the power high voltage of following voltage class can be fully met
The requirement of switchgear safe operation.
2, the high-voltage circuitbreaker of the utility model self-protection carries trip protection function, full using compound inslation mode
Insulating requirements under sufficient normal running (operation) conditions, and the volume of breaker is efficiently reduced, total arrangement is reasonable, beautiful, succinct.
Breaker is handcart-type structure, can be matched with switchgear, and breaker configures reliable interlocking unit, meets switchgear "
Five anti-" defencive functions.
Description of the drawings
Fig. 1 is the high-voltage circuitbreaker major loop principle schematic of the utility model self-protection；
Fig. 2 is the high-voltage circuitbreaker experiment of the utility model self-protection, performance loop principle schematic.
Specific implementation mode
Below by specific implementation mode, the technical solution of the utility model is described in further detail.
Embodiment 1
Referring to Fig. 1, Fig. 2, the high-voltage circuitbreaker of the utility model self-protection, in existing switchgear vacuum circuit breaker base
On plinth, realize that relay protection function, the relay protection circuit include by increasing relay protection circuit on breaker body
Overcurrent trip and auxiliary switch in major loop and electric motor loop is arranged in trip protection circuit, the trip protection circuit
S2, S3, described auxiliary switch S2, S3 and the auxiliary switch S1 being arranged in closing circuit are interlocked, and the locking in closing circuit is auxiliary
Switch is helped to link with the blocking coil Y1 being arranged in locked loop.
The trip protection circuit uses compound inslation mode, meets the insulating requirements under normal running (operation) conditions, and effectively
Ground reduces the volume of breaker, and total arrangement is reasonable, beautiful, succinct.Operating mechanism uses spring mechanism, and reliability is high, makes
With long lifespan, maintenance is convenient, non-maintaining.Breaker uses handcart-type structure, configures interlocking unit, breaking-closing operating auxiliary switch
QF interlockings are set in closing circuit, locked loop and sub-gate circuit, and breaker work/experiment switching switch is set to locking
In circuit, breaker work/test auxiliary switch be respectively arranged at breaker work and experimental loop.
The high-voltage circuitbreaker of the utility model self-protection integrates protection and breaker function.For electric system
Substation and switchgear house high-tension switch cabinet, the power high voltage switchgear that can fully meet 110KV and following voltage class are transported safely
Capable requirement.
In figure, auxiliary switch S8：Switch when breaker is in experimental site；S9：Switch when breaker is in operating position；
S1-S3：Switch after switching-in spring energy storage；S4：It is latched auxiliary switch；QF：Switch auxiliary switch when breaking-closing operating；HQ：It closes
Brake cable circle；TQ：Switching winding；Y1：Blocking coil；Y7-Y9：Overcurrent trip coil；M：Motor.
Claims (2)
1. a kind of high-voltage circuitbreaker of self-protection, on the basis of existing switchgear vacuum circuit breaker, by breaker sheet
Increase relay protection circuit on body and realize relay protection function, it is characterised in that：The relay protection circuit includes trip protection
Circuit, the overcurrent trip and auxiliary switch S2, S3 that the trip protection circuit is arranged in major loop and electric motor loop, institute
The auxiliary switch S1 for stating auxiliary switch S2, S3 and being arranged in closing circuit is interlocked, the locking auxiliary switch in closing circuit with
Blocking coil Y1 linkages in locked loop are set, and the trip protection circuit uses compound inslation mode.
2. the high-voltage circuitbreaker of self-protection according to claim 1, it is characterised in that：Breaker uses handcart-type knot
Structure, configures interlocking unit, and the QF interlockings of breaking-closing operating auxiliary switch are set to closing circuit, locked loop and sub-gate circuit
In, breaker work/experiment switching switch is set in locked loop, and the breaker auxiliary switch that works/test is respectively arranged at
Breaker works and experimental loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820293056.4U CN207800477U (en) | 2018-03-02 | 2018-03-02 | A kind of high-voltage circuitbreaker of self-protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820293056.4U CN207800477U (en) | 2018-03-02 | 2018-03-02 | A kind of high-voltage circuitbreaker of self-protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207800477U true CN207800477U (en) | 2018-08-31 |
Family
ID=63276365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820293056.4U Expired - Fee Related CN207800477U (en) | 2018-03-02 | 2018-03-02 | A kind of high-voltage circuitbreaker of self-protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207800477U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12113351B2 (en) | 2022-06-21 | 2024-10-08 | Gemstone Lights | Circuit breaker having a current sensing circuit, control circuit, comparison circuit, electric relay and latching circuit |
-
2018
- 2018-03-02 CN CN201820293056.4U patent/CN207800477U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12113351B2 (en) | 2022-06-21 | 2024-10-08 | Gemstone Lights | Circuit breaker having a current sensing circuit, control circuit, comparison circuit, electric relay and latching circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |