CN207183195U - Spring energy-storing mechanism of breaker separating brake jumping aid device - Google Patents
Spring energy-storing mechanism of breaker separating brake jumping aid device Download PDFInfo
- Publication number
- CN207183195U CN207183195U CN201721197296.6U CN201721197296U CN207183195U CN 207183195 U CN207183195 U CN 207183195U CN 201721197296 U CN201721197296 U CN 201721197296U CN 207183195 U CN207183195 U CN 207183195U
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- China
- Prior art keywords
- switching winding
- separating brake
- energy
- aid device
- mounting bracket
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- 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.)
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses spring energy-storing mechanism of breaker separating brake jumping aid device, including mounting bracket and the driving arm, voltage and current detecting unit and the closing locking switch that are arranged in mounting bracket；Mounting bracket is removably mounted on switching winding；Driving arm includes energy-stored spring, electrical apparatus release and catch bar；Electrical apparatus release is arranged on mounting bracket upper end, and electrical apparatus release connects switching winding, is also connected with the tip side of energy-stored spring；Catch bar has the pressing lever of drive rod and end abutment on the separating brake iron core of switching winding；The end abutment of drive rod is arranged on the affecting on end of the energy-stored spring；The closing locking switch is connected serially in closing coil performance loop；Voltage and current detecting unit electrically connects with the current supply circuit of switching winding.The jumping aid device can effectively control spring energy-storing mechanism of breaker switching winding to burn out the phenomenon that rear breaker is unable to separating brake, the locking closing circuit after the action of separating brake jumping aid device, effectively prevent stoppage circuit breaker from continuing to run with.
Description
Technical field
It the utility model is related to field of circuit breakers, and in particular to spring energy-storing mechanism of breaker separating brake jumping aid device.
Background technology
With the raising of people's awareness of safety, the requirement to safety is growing day by day, and peace is provided for power industry
Entirely, reliable, high-quality power supply is the strong backing for ensureing socio-economic development and masses' daily life.Therefore the peace of power supply is improved
Entirely, reliable, high-quality power supply is the primary goal of current power system.
Spring energy-storing mechanism of breaker switching winding is vulnerable to environment and influences to cause to burn out using power supply, makes to trip
Breaker can not trip in time, bypass the immediate leadership to upper side power supply, cause power failure range to expand, if running into responsible consumer, as hospital,
Situations such as colliery, rescue, it will socially cause great harmful effect, it is possible to trigger human casualty accident to occur or rescue
Help causes personnel death's phenomenon not in time.
If existing breaker switching winding is burnt out, power transformation operation personnel on site is needed to operate, risk be present in execute-in-place,
As maloperation equipment causes event or accident.Live breaker hand push button damage, it is impossible to which operating breaker needs maintainer to arrive
Operated after the maintenance of field, increase personnel's road risk and extension electric power feeding time.
Utility model content
Therefore, the purpose of this utility model is to provide spring energy-storing mechanism of breaker separating brake jumping aid device, effectively control open circuit
Device spring energy agency switching winding burns out the phenomenon that rear breaker is unable to separating brake.
Spring energy-storing mechanism of breaker separating brake jumping aid device, including mounting bracket and the driving that is arranged in mounting bracket
Support, voltage and current detecting unit and closing locking switch；
The mounting bracket is removably mounted on switching winding；
The driving arm includes energy-stored spring, electrical apparatus release and the catch bar being arranged in mounting bracket；The electrical apparatus release
It is arranged on mounting bracket upper end, the current supply circuit of the detection termination switching winding of electrical apparatus release, drive end and the energy storage bullet of electrical apparatus release
The tip side connection of spring；The catch bar has the drive rod being coaxially disposed with energy-stored spring and end abutment in separating brake line
Pressing lever on the separating brake iron core of circle；The end abutment of the drive rod is arranged on the affecting on end of the energy-stored spring；
The closing locking switch is connected serially in closing coil performance loop；
The voltage and current detecting unit electrically connects with the current supply circuit of switching winding.
Preferably, the mounting bracket is removably mounted on switching winding by bolt.
Preferably, the voltage and current detecting unit also electrically connects with the test side of electrical apparatus release.
Preferably, the catch bar is L-type bar.
Preferably, in addition to loop protection unit；Loop protection unit includes relay, the control termination separating brake of relay
The current supply circuit of coil, the stationary contact of relay terminate the positive pole of current supply circuit in switching winding, the normally-closed contact end of relay
Connect the negative pole of current supply circuit in switching winding, the normally opened contact end ground connection of relay.
Preferably, the normally opened contact end of the relay is grounded by power resistor.
The beneficial effects of the utility model are：Spring energy-storing mechanism of breaker separating brake jumping aid device provided by the utility model,
On switching winding, the current supply circuit of switching winding is monitored in real time.When spring energy-storing mechanism of breaker switching winding is burnt out
During ground connection, the current supply circuit short circuit of switching winding, when causing the current supply circuit electric current of switching winding excessive, inside switching winding
During broken string open circuit, relay automatically switches, and realizes that separating brake jumping aid device acts by earth short circuit current, helps breaker open operation,
Effectively control spring energy-storing mechanism of breaker switching winding burns out the phenomenon that rear breaker is unable to separating brake.Due to separating brake jumping aid device not
Can voluntarily involution, therefore breaker will not be burnt out again because of switching winding after close a floodgate, prevent stoppage circuit breaker from continuing to run with.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art.In accompanying drawing, each element or part
It might not be drawn according to the ratio of reality.
Fig. 1 is the structural representation of spring energy-storing mechanism of breaker separating brake jumping aid device.
Fig. 2 is the circuit diagram of loop protection unit in spring energy-storing mechanism of breaker separating brake jumping aid device.
Embodiment
The embodiment of technical solutions of the utility model is described in detail below in conjunction with accompanying drawing.Following examples are only
For clearly illustrating the technical solution of the utility model, therefore example is only used as, and this practicality can not be limited with this
New protection domain.
Embodiment：
Spring energy-storing mechanism of breaker separating brake jumping aid device, as shown in figure 1, including mounting bracket 1 and being arranged on installation branch
Driving arm, voltage and current detecting unit 5 and closing locking switch 6 on frame；
The mounting bracket 1 is removably mounted on switching winding；
The driving arm includes energy-stored spring 2, electrical apparatus release 3 and the catch bar 4 being arranged in mounting bracket；The dropout
Device 3 is arranged on the upper end of mounting bracket 1, the current supply circuit of the detection termination switching winding of electrical apparatus release 3, the drive end of electrical apparatus release 3 with
The tip side connection of energy-stored spring 2；The catch bar 4 has the drive rod and end abutment being coaxially disposed with energy-stored spring
Press section on the separating brake iron core of switching winding；What the end abutment of the drive rod was arranged on the energy-stored spring affects end
On；The catch bar is L-type bar.
The closing locking switch is connected serially in closing coil performance loop；For controlling the logical of closing coil performance loop
It is disconnected.
The voltage and current detecting unit electrically connects with the current supply circuit of switching winding.
When energy-stored spring, normal use, the switching winding of breaker is in the separating brake power resources of existing breaker
Blocking, separating brake is carried out when breaker receives separating brake order.But in the case that switching winding occurs breaking or burnt out, point
Short circuit just occurs in the operating circuit of brake cable circle, produces larger electric current.When electrical apparatus release detects the operating circuit of switching winding
Electric current it is excessive when, driving energy-stored spring releases energy, and drives catch bar so that pressing lever pressing switching winding on catch bar
Separating brake switchs, and realizes the function of manual brake separating.Electrical apparatus release uses bimetal leaf principle, when the electric current of the operating circuit of switching winding
Excessive, bimetal leaf acts after being deformed upon because electric current is excessive.
The jumping aid device is arranged on switching winding, monitors the current supply circuit of switching winding in real time.When breaker spring energy storage
When mechanism switching winding burns out ground connection, the current supply circuit short circuit of switching winding, cause the current supply circuit electric current of switching winding excessive
When, inside switching winding during broken string open circuit, relay automatically switches, and realizes that separating brake jumping aid device moves by earth short circuit current
Make, help breaker open operation, effectively control spring energy-storing mechanism of breaker switching winding to burn out rear breaker and be unable to showing for separating brake
As can effectively prevent breaker open operation coil from expanding power-off event or accident generation caused by burning out, avoid personnel disconnected
Road device spring energy agency switching winding burns out rear personnel's execute-in-place risk.Due to separating brake jumping aid device can not voluntarily involution, because
This breaker closes a floodgate after will not being burnt out again because of switching winding, prevents stoppage circuit breaker from continuing to run with.After the action of separating brake jumping aid device
Locking closing circuit, effectively prevents stoppage circuit breaker from continuing to run with.
The mounting bracket is removably mounted on switching winding by bolt, convenient maintenance and installation.
The voltage and current detecting unit also electrically connects with the test side of electrical apparatus release.So, current detecting unit can be with
According to the Current Voltage of the current supply circuit of the switching winding detected, judge whether switching winding short circuit occurs or burn out, and
There is short circuit or drive electrical apparatus release separating brake when burning out.
As shown in Fig. 2 also include loop protection unit；Loop protection unit includes relay, the control termination of relay
The current supply circuit of switching winding, the stationary contact of relay terminate the positive pole of current supply circuit in switching winding, and the normally closed of relay is touched
The negative pole of current supply circuit in point termination switching winding, the normally opened contact end of the relay is grounded by power resistor.
When switching winding short circuit occurs or burnt out, the current supply circuit short circuit of switching winding, voltage occurs abnormal.It is now
Ensure the normal use of breaker, realize by relay the function of loop switch.When the current supply circuit short circuit of switching winding
When, the normally-closed contact of relay disconnects, and normally opened contact closure ground connection, the current supply circuit of exception has been cut off in time, to breaker
Stable low level is provided.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type, it all should cover among claim of the present utility model and the scope of specification.
Claims (6)
1. spring energy-storing mechanism of breaker separating brake jumping aid device, it is characterised in that including mounting bracket and be arranged on mounting bracket
On driving arm, voltage and current detecting unit and closing locking switch；
The mounting bracket is removably mounted on switching winding；
The driving arm includes energy-stored spring, electrical apparatus release and the catch bar being arranged in mounting bracket；The electrical apparatus release is set
In mounting bracket upper end, the current supply circuit of the detection termination switching winding of electrical apparatus release, the drive end of electrical apparatus release and energy-stored spring
Tip side connects；The catch bar has the drive rod being coaxially disposed with energy-stored spring and end abutment in switching winding
Pressing lever on separating brake iron core；The end abutment of the drive rod is arranged on the affecting on end of the energy-stored spring；
The closing locking switch is connected serially in closing coil performance loop；
The voltage and current detecting unit electrically connects with the current supply circuit of switching winding.
2. spring energy-storing mechanism of breaker separating brake jumping aid device according to claim 1, it is characterised in that
The mounting bracket is removably mounted on switching winding by bolt.
3. spring energy-storing mechanism of breaker separating brake jumping aid device according to claim 1, it is characterised in that the voltage x current inspection
Unit is surveyed also to electrically connect with the test side of electrical apparatus release.
4. spring energy-storing mechanism of breaker separating brake jumping aid device according to claim 1, it is characterised in that the catch bar is L
Type bar.
5. spring energy-storing mechanism of breaker separating brake jumping aid device according to claim 1, it is characterised in that also including loop protection
Unit；Loop protection unit includes relay, the current supply circuit of the control termination switching winding of relay, the stationary contact of relay
The positive pole of current supply circuit in switching winding is terminated, the normally-closed contact of relay terminates the negative pole of current supply circuit in switching winding, after
The normally opened contact end ground connection of electrical equipment.
6. spring energy-storing mechanism of breaker separating brake jumping aid device according to claim 5, it is characterised in that the relay it is normal
Tip side is opened to be grounded by power resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721197296.6U CN207183195U (en) | 2017-09-18 | 2017-09-18 | Spring energy-storing mechanism of breaker separating brake jumping aid device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721197296.6U CN207183195U (en) | 2017-09-18 | 2017-09-18 | Spring energy-storing mechanism of breaker separating brake jumping aid device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207183195U true CN207183195U (en) | 2018-04-03 |
Family
ID=61747880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721197296.6U Expired - Fee Related CN207183195U (en) | 2017-09-18 | 2017-09-18 | Spring energy-storing mechanism of breaker separating brake jumping aid device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207183195U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112700981A (en) * | 2020-11-23 | 2021-04-23 | 深圳供电局有限公司 | Backup brake separating device of switch cabinet and control method thereof |
-
2017
- 2017-09-18 CN CN201721197296.6U patent/CN207183195U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112700981A (en) * | 2020-11-23 | 2021-04-23 | 深圳供电局有限公司 | Backup brake separating device of switch cabinet and control method thereof |
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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: 20180403 Termination date: 20200918 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |