CN201323161Y - Protective device for breaker closing electromagnet - Google Patents
Protective device for breaker closing electromagnet Download PDFInfo
- Publication number
- CN201323161Y CN201323161Y CNU2008201995619U CN200820199561U CN201323161Y CN 201323161 Y CN201323161 Y CN 201323161Y CN U2008201995619 U CNU2008201995619 U CN U2008201995619U CN 200820199561 U CN200820199561 U CN 200820199561U CN 201323161 Y CN201323161 Y CN 201323161Y
- Authority
- CN
- China
- Prior art keywords
- breaker
- protective device
- closing
- mechanical interlocking
- breaker body
- 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
Images
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a protective device for breaker closing electromagnet, comprising a breaker body (1) and a mechanical interlocking device (2). Inching switches (3) are fixed on top of the breaker body (1) through a rack (5) and on one side of the mechanical interlocking device (2), and the rack (5) is connected with the breaker body (1) through bolts. The top of the mechanical interlocking device (2) is provided with a press plate (4) which is contacted with the inching switches (3). A closing return circuit is serially connected with an auxiliary contact S3 of the two inching switches (3). The protective device for breaker closing electromagnet can break closing circuits to protect closing electromagnet against damage when faulty operation happens by employing the inching switches on the breaker body and connecting the auxiliary contact of the inching switches with the closing return circuit.
Description
Technical field
The utility model relates to a kind of protective device, especially relates to a kind of protective device that is used for the breaker closing electromagnet.
Background technology
Indoor AC high voltage vacuum breaker has all obtained application more and more widely in every field such as power industry, industrial and mining enterprises, railway transportations as indispensable major control in the electric power system and protection equipment.Circuit breaker is fixedly installed in the switch cubicle such as XGN type, and it is firm more and reliable that main conductive circuit is connected.In the distribution system, circuit breaker generally is used with end of incoming cables or leading-out terminal isolating switch, operate upper and lower isolating switch in order to prevent bringing onto load, must in complete set of equipments, design and install the mechanical locking device of circuit breaker and isolating switch, only behind breaker open operation, just allow disconnecting switch operation with assurance, and guarantee when disconnecting switch operation, not allow operating breaker.Though the mechanical interlocking device between circuit breaker and the isolating switch can prevent the bringing onto load disconnecting switch operation, also can guarantee when disconnecting switch operation, can not make breaker closing, but when the breaker closing locking is not removed, if making electromagnet will move after receiving the electric switch-on signal, electromagnet core pickup time, long (design conduction time be 100ms) will cause line bag heating burnout, must change making electromagnet, cause the unnecessary after-sale service of unnecessary loss of outage of user and switchgear manufacturer.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of protective device that is used for the breaker closing electromagnet at problems of the prior art; its objective is that assurance only just allows disconnecting switch operation behind breaker open operation, and guarantee when disconnecting switch operation, not allow operating breaker.
The technical solution of the utility model is that this a kind of protective device that is used for the breaker closing electromagnet comprises breaker body and mechanical interlocking device; a side that is positioned at the top of described breaker body and is positioned at mechanical interlocking device is equipped with sensitive switch; the top of mechanical interlocking device is equipped with pressing plate, and pressing plate contacts with sensitive switch.
Described sensitive switch is fixed on the breaker body by support, is connected by bolt between support and the breaker body or the mode of welding connects.
Described pressing plate is fixed on the mechanical interlocking device by bearing pin, and pressing plate can rotate around bearing pin.
Be serially connected with the auxiliary contact S3 of a pair of sensitive switch in the described closing circuit.
A kind of protective device that is used for the breaker closing electromagnet with above-mentioned special construction has the following advantages:
1, this protective device is by installing sensitive switch additional on breaker body, and seals in the auxiliary contact of sensitive switch in closing circuit, can cut off closing circuit when misoperation takes place, and the protection making electromagnet is not burnt out.
2, this protective device has been avoided the fault that causes because of misoperation and unnecessary after-sale service, has improved The comprehensive performance.
3, this protective device manufacture craft is simple, easy for installation, uses reliably, and effect is obvious, has the excellent popularization using value.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the right view of structure shown in Figure 1.
Fig. 3 is the structural representation of the utility model closing circuit.
In Fig. 1～3,1: breaker body; 2: mechanical interlocking device; 3: sensitive switch; 4: pressing plate; 5: support; 6: chain rotating shaft.
S3: sensitive switch; HQ: closing coil; S1: energy storage sensitive switch; QF: auxiliary switch.
Embodiment
Figure 1 shows that the utility model is used for the structural representation of the protective device of breaker closing electromagnet, Fig. 2 is the right view of structure shown in Figure 1, and Fig. 3 is the structural representation of the utility model closing circuit.By Fig. 1～Fig. 3 combination as can be known, this protective device comprises breaker body 1 and mechanical interlocking device 2, a side that is positioned at the top of described breaker body 1 and is positioned at mechanical interlocking device 2 is equipped with sensitive switch 3, sensitive switch 3 is fixed on the breaker body 1 by support 5, link together by bolt between support 5 and the breaker body 1, the top of mechanical interlocking device 2 is equipped with pressing plate 4, pressing plate 4 is fixed on the mechanical interlocking device 2 by bearing pin, pressing plate 4 can rotate around bearing pin, and the bottom of pressing plate 4 contacts with the top of sensitive switch 3; Be serially connected with the auxiliary contact S3 of a pair of sensitive switch 3 in the closing circuit, chain rotating shaft 6 drives pressing plate 4 and acts on the sensitive switch 3, auxiliary contact S3 is switched, and promptly when closing locking was not removed, the auxiliary switch contact S3 that seals in closing circuit was in open mode, making electromagnet can't move, have only when chain rotating shaft 6 and rotate, removed closing locking, when driving auxiliary contact S3 that pressing plate 4 makes sensitive switch 3 simultaneously and switching to closure state, closing circuit conducting, but just normal running of circuit breaker.Improve to design and avoided because fault and the after-sale service that misoperation causes promoted the product technology level.
Can also be that mode by welding is connected between support 5 and the breaker body 1, pressing plate 4 also can be by being bolted on the mechanical interlocking device 2.
Claims (4)
1. protective device that is used for the breaker closing electromagnet; comprise breaker body (1) and mechanical interlocking device (2); it is characterized in that: a side that is positioned at the top of described breaker body (1) and is positioned at mechanical interlocking device (2) is equipped with sensitive switch (3); the top of mechanical interlocking device (2) is equipped with pressing plate (4), and pressing plate (4) contacts with sensitive switch (3).
2. a kind of protective device that is used for the breaker closing electromagnet according to claim 1; it is characterized in that: described sensitive switch (3) is fixed on the breaker body (1) by support (5), is connected by bolt between support (5) and the breaker body (1) or the mode of welding connects.
3. a kind of protective device that is used for the breaker closing electromagnet according to claim 2 is characterized in that: described pressing plate (4) is fixed on the mechanical interlocking device (2) by bearing pin, and pressing plate (4) can rotate around bearing pin.
4. according to the described a kind of protective device that is used for the breaker closing electromagnet of each claim of claim 1～3, it is characterized in that: the auxiliary contact S3 that is serially connected with a pair of sensitive switch (3) in the described closing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201995619U CN201323161Y (en) | 2008-12-15 | 2008-12-15 | Protective device for breaker closing electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201995619U CN201323161Y (en) | 2008-12-15 | 2008-12-15 | Protective device for breaker closing electromagnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201323161Y true CN201323161Y (en) | 2009-10-07 |
Family
ID=41160536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201995619U Expired - Fee Related CN201323161Y (en) | 2008-12-15 | 2008-12-15 | Protective device for breaker closing electromagnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201323161Y (en) |
-
2008
- 2008-12-15 CN CNU2008201995619U patent/CN201323161Y/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202374037U (en) | Double-power on-line automatic switching device | |
| CN101266894A (en) | An intelligent high-voltage dual power conversion switch | |
| CN201413939Y (en) | Electrical interlocking system of inlet wire and interconnection switch for switch apparatus | |
| CN101504894A (en) | Intelligent high voltage duplicate power source converting switch | |
| CN205427552U (en) | High -voltage switch intelligent control ware | |
| CN202172230U (en) | Medium-voltage double-power combined electrical apparatus | |
| CN203352192U (en) | Direct current switch device | |
| CN110021486B (en) | Automatic reclosing device for voltage-loss tripping | |
| CN201323161Y (en) | Protective device for breaker closing electromagnet | |
| CN201717670U (en) | Dual-power-supply switching device with overvoltage protection | |
| CN201229892Y (en) | Intelligent high voltage dual power supply converting switch | |
| CN101978456B (en) | Control module with connection devices for connection to connection terminals of a load feeder and load feeder | |
| CN103855690A (en) | Power-off releaser circuit used for auto-reclosing switch | |
| CN103532111A (en) | Incoming line and outgoing line protector of switching station | |
| CN203607351U (en) | A low-voltage circuit breaker automatic closing apparatus | |
| CN207367902U (en) | A kind of quick acting switching-off device | |
| CN207165485U (en) | A kind of small size vacuum contactor for ring main unit | |
| CN201708446U (en) | Vacuum disconnector combined electrical apparatus | |
| CN205564619U (en) | Isolator | |
| CN201733137U (en) | Ring network power supply control device based on mobile communication network technology | |
| CN216355978U (en) | Multi-power supply conversion system | |
| CN203415965U (en) | Inlet-wire and outlet-wire protection device for switching station | |
| CN113284773B (en) | Switch with built-in current-limiting fuse | |
| CN201374264Y (en) | Combination appliance of isolation switch and vacuum circuit breaker | |
| CN211508591U (en) | Multifunctional relay protection system of high-voltage circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Anhui Senyuan Electrical Co., Ltd. Assignor: Xinlong Electric-Appliance Co., Ltd., Anhui Contract record no.: 2011340000223 Denomination of utility model: Protective device for breaker closing electromagnet Granted publication date: 20091007 License type: Exclusive License Record date: 20110729 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 Termination date: 20131215 |