CN209729847U - 126KV/252KV high-voltage breaker spring operating mechanism - Google Patents
126KV/252KV high-voltage breaker spring operating mechanism Download PDFInfo
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- CN209729847U CN209729847U CN201920776504.0U CN201920776504U CN209729847U CN 209729847 U CN209729847 U CN 209729847U CN 201920776504 U CN201920776504 U CN 201920776504U CN 209729847 U CN209729847 U CN 209729847U
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- spring
- switching
- tripping
- pull rod
- operating mechanism
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Abstract
The utility model provides a kind of 126KV/252KV high-voltage breaker spring operating mechanism, belong to high-voltage circuitbreaker field, including tripping spring and switching-in spring, the end of the tripping spring is connected with tripping spring pressure sensor along the axial direction of tripping spring, the inner cavity of the switching-in spring is axially arranged with switching-in spring tension sensor along switching-in spring, and the tripping spring pressure sensor and switching-in spring tension sensor are electrically connected with data processing terminal；The spring operating mechanism of circuit breaker of the utility model is equipped with spring pressure on-line monitoring system, monitor the pressure value variation tendency of tripping spring and switching-in spring on-line by pressure, tension sensor, with find in advance spring mechanism operating work whether variation abnormality, to guarantee that breaker normally divides, closes operation.
Description
Technical field
The utility model belongs to high-voltage circuitbreaker field, and in particular to a kind of 126KV/252KV high-voltage breaker spring behaviour
Make mechanism.
Background technique
Breaker is the electric current referred to close, carry and cut-off under normal loop condition and can close before the deadline
The switching device for closing, carrying and cut-offfing the electric current under abnormal loop condition, in electric system device, breaker is as important
Power equipment has the characteristics that maintenance amount is greatly and costly.It is easy to cause power grid accident due to breaker when breaking down simultaneously
It results in significant economic losses, so the monitoring of the mechanical property parameter of breaker is most important.
Currently, the repair method of breaker is mainly to carry out periodic inspection to the spring operating mechanism of breaker, periodically examine
Repair and be lack of pertinence, and cannot detect the pressure value of spring operating mechanism spring in a state of use, thus when spring have it is different
It cannot be found in time when often.
Utility model content
Problem based on the above background, the utility model are intended to provide a kind of 126KV/252KV high-voltage breaker spring operation
Mechanism is equipped with switching-in spring pulling force and tripping spring pressure on-line monitoring system, thus real-time monitoring tripping spring and/or conjunction
The pressure value variation tendency of lock spring, to noted abnormalities in advance to guarantee that equipment operates normally.
In order to achieve the above objectives, technical solution provided by the utility model is:
126KV/252KV high-voltage breaker spring operating mechanism, including tripping spring and switching-in spring, the tripping spring
End be connected with tripping spring pressure sensor along the axial direction of tripping spring, the inner cavity of the switching-in spring is along switching-in spring
It is axially arranged with switching-in spring tension sensor, the tripping spring pressure sensor and switching-in spring tension sensor are and data
Processing terminal electrical connection.
In one embodiment, the tripping spring inner cavity edge is axially arranged with buffer, the piston rod of the buffer
End is connected with oscillating bearing by bracket, and the oscillating bearing is connected by stud and the tripping spring pressure sensor
It connects.
Preferably, the tripping spring pressure sensor includes separating brake sensor main body and sets up separately in separating brake biography
The first connecting portion and second connecting portion at sensor main body both ends, the first connecting portion pass through stud and the oscillating bearing
It is spirally connected, the second connecting portion is connect by pivot pin with output toggle arm.
It is highly preferred that the first connecting portion is to set threaded cylindrical structure on inner wall, the second connecting portion is U-shaped
Structure, and the connecting pin bores through the second connecting portion is provided in the second connecting portion.
Wherein, the tripping spring is equipped with the first cover board, the buffering far from one end of tripping spring pressure sensor
Device is mounted on first cover board, and the first guide cylinder for accommodating the tripping spring is additionally provided on first cover board,
First guide cylinder is equipped with first support far from one end of the first cover board.
In one embodiment, the switching-in spring is equipped with the first pull rod and the second pull rod along axial direction, and described first draws
Bar and the second pull rod are connected by the switching-in spring tension sensor, and first pull rod is far from switching-in spring tension sensor
End be fixed on the spring base of the switching-in spring, end of second pull rod far from switching-in spring tension sensor with
Mechanism ratchet is bolted.
Wherein, the switching-in spring tension sensor includes combined floodgate sensor main body and sets up separately in the combined floodgate sensor
The third interconnecting piece and the 4th interconnecting piece at main body both ends, the third interconnecting piece are spirally connected with first pull rod, and the described 4th connects
Socket part is spirally connected with second pull rod.
Preferably, the switching-in spring is accommodated in the second guide cylinder, and second guide cylinder is adjacent to the end of the first pull rod
Portion is equipped with the second cover board, and the other end is equipped with second support, and the switching-in spring is adjacent to the limit of the end of the second pull rod described the
On two brackets.
In one embodiment, the data processing terminal includes for by tripping spring pressure sensor and switching-in spring
Tension sensor transmission signal converted converter, the MCU master control for being handled the signal that converter is converted
Unit, the storage unit for being stored to data and the display module for being shown for data.
Compared with prior art, the utility model has the effect that
1, the utility model can become spring pressure value by the way that force snesor is arranged on tripping spring and switching-in spring
Change trend carries out real-time monitoring, while can also show in breaker mechanism energy storage, closing operation and sub-switching operation and divide, close spring
Force value change curve determines whether the closing power of spring mechanism, separating brake work meet breaker closing speed, opening velocity is wanted
It asks, so that discovery breaker is abnormal to guarantee the normal division operation of breaker in advance；
2, the utility model can show current spring operating mechanism spring pressure by the display module of data processing terminal
Force value, can be with enquiry of historical data, so that accurately the closing power of spring operating mechanism is sentenced in analysis, whether separating brake work meets open circuit
The requirement of device closing speed, opening velocity, to decide whether to implement to overhaul to breaker.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described.
Fig. 1 is the structural schematic diagram of the utility model embodiment mesohigh spring operating mechanism of circuit breaker；
Fig. 2 is the mounting structure schematic diagram of tripping spring and tripping spring pressure sensor in Fig. 1；
Fig. 3 is the structural schematic diagram of tripping spring pressure sensor in Fig. 2；
Fig. 4 is the cross-sectional view of Fig. 3；
Fig. 5 is the structural schematic diagram at another visual angle of the utility model embodiment mesohigh spring operating mechanism of circuit breaker；
Fig. 6 is the mounting structure schematic diagram of switching-in spring and switching-in spring tension sensor in Fig. 5；
Fig. 7 is the structural schematic diagram of switching-in spring tension sensor in Fig. 6；
Fig. 8 is the side view of Fig. 7.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
The present embodiment provides a kind of high-voltage breaker spring operating mechanisms, as shown in Fig. 1,2,5 and 6, including tripping spring 1
Tripping spring pressure sensor 3, institute are connected with along the axial direction of tripping spring 1 with the end of switching-in spring 2, the tripping spring 1
The inner cavity for stating switching-in spring 2 is axially arranged with switching-in spring tension sensor 4 along switching-in spring 2.
In the present embodiment, specifically, as illustrated in fig. 1 and 2, the tripping spring 1 is far from tripping spring pressure sensor 3
One end limit on the first cover board 101, the other end is connected with tripping spring seat 102, is additionally provided with use on first cover board 101
In the first guide cylinder 107 for accommodating the tripping spring 1, first guide cylinder 107 is installed far from one end of the first cover board 101
There is first support 108.1 inner cavity of tripping spring is along buffer 103 is axially arranged with, in the present embodiment, the buffer 103
For oil buffer, the piston rod 104 of the buffer 103 is connected with oscillating bearing 106, the joint by bracket 105
Bearing 106 is connect further through stud 107 with the tripping spring pressure sensor 3, specifically, the bracket 105 passes through
Pivot pin is connect with the oscillating bearing 106, and the stud 107 connects with oscillating bearing 106, tripping spring pressure sensor 3
The end connect is locked with locking nut, and the tripping spring pressure sensor 3 is electrically connected by output line with data processing terminal 5
It connects.
In the present embodiment, as shown in Figure 3-4, the tripping spring pressure sensor 3 include separating brake sensor main body, with
And set up first connecting portion 301 and second connecting portion 302 at the 3 main body both ends of separating brake sensor, the first connecting portion separately
301 is set threaded cylindrical structure on inner wall, and the first connecting portion 301 passes through stud 106 and the joint shaft
It holds 105 to be spirally connected, the second connecting portion 302 is U-shaped structure, and is provided in the second connecting portion 302 and connects through described second
The connecting pin bores 303 of socket part 302, the second connecting portion 302 are operated by the pivot pin through the connecting pin bores 303 with spring
The output toggle arm of mechanism connects, and connection relationship is detailed in Fig. 1.
In the present embodiment, as shown in figure 5, the switching-in spring 2 is equipped with the first pull rod 201 and the second pull rod along axial direction
202, first pull rod 201 and the second pull rod 202 are connected by the switching-in spring tension sensor 4, first pull rod
201 ends far from switching-in spring tension sensor 4 are fixed on the switching-in spring seat 203 of the switching-in spring 2, and described second
End of the pull rod 202 far from switching-in spring tension sensor 4 is bolted with mechanism ratchet.Specifically, as shown in fig. 6,
The switching-in spring 2 is accommodated in the second guide cylinder 204, and second guide cylinder 204 is equipped with adjacent to the end of the first pull rod 201
Second cover board 205, the other end are equipped with second support 206, and second cover board 205 and second support 206 pass through fastening bolt
It is connect with the second guide cylinder 204, the switching-in spring 2 is limited adjacent to the end of the second pull rod 202 in the second support 206
On bottom plate, the switching-in spring tension sensor 4 is connect by output line with data processing terminal.In the present embodiment, such as Fig. 7
Shown in 8, the switching-in spring tension sensor 4 includes combined floodgate sensor main body and sets up separately in the separating brake sensor main body
The third interconnecting piece 401 and the 4th interconnecting piece 402 at both ends, the third interconnecting piece 401 are spirally connected with first pull rod 201, institute
The 4th interconnecting piece 402 is stated to be spirally connected with second pull rod 202.
In the present embodiment, the data processing terminal 5 includes for by tripping spring pressure sensor 3 and switching-in spring
Tension sensor 4 transmit signal converted converter, the MCU master control for being handled the signal that converter is converted
Unit, the storage unit for being stored to data and the display module for being shown for data.It should be noted that institute
Stating tripping spring pressure sensor 3 and switching-in spring tension sensor 4 is resistance strain type sensor, by mechanical part and electricity
Gas part two parts composition, core element is the strain ga(u)ge that strain can be converted into resistance variation, by four
Strain ga(u)ge forms a complete Wheatstone bridge.When sensor is by spring force, the mechanical part of sensor is in bullet
Strain is generated under the action of spring force, the strain ga(u)ge being pasted onto sensor mechanical structure at this time being capable of answering mechanical part
Power changes the variation for being converted into corresponding resistance, thus output and the linear electric signal of spring pressure, MCU master control list
Member receives electric signal and carries out processing analysis, and carries out display by display module and storage unit is stored, after being convenient for
Phase consults historical data.It should be noted that the converter is converter, the specification of tripping spring pressure sensor is
34KN, the switching-in spring tension sensor specification are 50KN, are the prior art.
The concrete operating principle of the utility model is: when spring operating mechanism closes a floodgate, tripping spring 1 is acted and is stored up
Can, so that tripping spring pressure sensor 3 be driven to act together, at this time the pressure change of tripping spring 1 passes to separating brake bullet
On spring pressure sensor 3, and it is transmitted on data processing terminal 5 by output line and is shown by display module；Otherwise to bullet
When spring operating mechanism separating brake, tripping spring 1 releases energy, drives tripping spring pressure sensor 3 to act together, at this time tripping spring
1 pressure change passes on tripping spring pressure sensor 3, and is transmitted on data processing terminal 5 by output line.It closes a floodgate
When 2 energy storage of spring, the part movement that the second pull rod 202 and lower part are attached thereto drives switching-in spring 2 to act together, at this time
The power variation of switching-in spring 2 passes to switching-in spring tension sensor 4, and is transmitted to data processing terminal 5 by output line and shows
Show；Otherwise switching-in spring 2 release can when and the second pull rod 202 and lower part acted with its union piece, drive switching-in spring 2 one
Movement is played, the power variation of switching-in spring 2 passes to switching-in spring tension sensor 4, and is transmitted to data processing by output line
Terminal 5 is shown.
It should be pointed out that for those of ordinary skill in the art, before not departing from the concept of the present invention
It puts, various modifications and improvements can be made, and these are all within the protection scope of the present invention.
Claims (9)
1.126KV/252KV high-voltage breaker spring operating mechanism, including tripping spring and switching-in spring, which is characterized in that institute
The end for stating tripping spring is connected with tripping spring pressure sensor, the inner cavity edge of the switching-in spring along the axial direction of tripping spring
Switching-in spring is axially arranged with switching-in spring tension sensor, the tripping spring pressure sensor and switching-in spring pull sensing
Device is electrically connected with data processing terminal.
2. 126KV/252KV high-voltage breaker spring operating mechanism according to claim 1, which is characterized in that described point
Lock spring intracavity is along buffer is axially arranged with, and the end of the piston rod of the buffer is connected with oscillating bearing by bracket, institute
Oscillating bearing is stated to connect by stud with the tripping spring pressure sensor.
3. 126KV/252KV high-voltage breaker spring operating mechanism according to claim 2, which is characterized in that described point
Lock spring pressure sensor include separating brake sensor main body and set up separately separating brake sensor main body both ends first connection
Portion and second connecting portion, the first connecting portion are spirally connected by stud and the oscillating bearing, and the second connecting portion is logical
Pivot pin is crossed to connect with output toggle arm.
4. 126KV/252KV high-voltage breaker spring operating mechanism according to claim 3, which is characterized in that described
One interconnecting piece is that threaded cylindrical structure is set on inner wall, and the second connecting portion is U-shaped structure, and in the second connecting portion
It is provided with the connecting pin bores through the second connecting portion.
5. 126KV/252KV high-voltage breaker spring operating mechanism according to claim 2, which is characterized in that described point
Lock spring is equipped with the first cover board far from one end of tripping spring pressure sensor, and the buffer is mounted on first cover board
On, the first guide cylinder for accommodating the tripping spring is additionally provided on first cover board, first guide cylinder is far from
One end of one cover board is equipped with first support.
6. 126KV/252KV high-voltage breaker spring operating mechanism according to claim 1, which is characterized in that the conjunction
Lock spring is equipped with the first pull rod and the second pull rod along axial direction, and first pull rod and the second pull rod are drawn by the switching-in spring
Force snesor connection, first pull rod are fixed on the spring of the switching-in spring far from the end of switching-in spring tension sensor
On seat, end of second pull rod far from switching-in spring tension sensor is bolted with mechanism ratchet.
7. 126KV/252KV high-voltage breaker spring operating mechanism according to claim 6, which is characterized in that the conjunction
Lock spring tension sensor includes that combined floodgate sensor main body and the third set up separately at combined floodgate sensor main body both ends connect
Portion and the 4th interconnecting piece, the third interconnecting piece are spirally connected with first pull rod, the 4th interconnecting piece and second pull rod
It is spirally connected.
8. 126KV/252KV high-voltage breaker spring operating mechanism according to claim 6, which is characterized in that the conjunction
For lock spring retention in the second guide cylinder, second guide cylinder is equipped with the second cover board, the other end adjacent to the end of the first pull rod
Equipped with second support, the switching-in spring limits in the second support adjacent to the end of the second pull rod.
9. 126KV/252KV high-voltage breaker spring operating mechanism according to claim 1, which is characterized in that the number
It include for converting the signal of tripping spring pressure sensor and the transmission of switching-in spring tension sensor according to processing terminal
Converter, the MCU Main Processing Unit for being handled the signal that converter is converted, the storage for being stored to data
Unit and display module for being shown for data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920776504.0U CN209729847U (en) | 2019-05-28 | 2019-05-28 | 126KV/252KV high-voltage breaker spring operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920776504.0U CN209729847U (en) | 2019-05-28 | 2019-05-28 | 126KV/252KV high-voltage breaker spring operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209729847U true CN209729847U (en) | 2019-12-03 |
Family
ID=68673495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920776504.0U Expired - Fee Related CN209729847U (en) | 2019-05-28 | 2019-05-28 | 126KV/252KV high-voltage breaker spring operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209729847U (en) |
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2019
- 2019-05-28 CN CN201920776504.0U patent/CN209729847U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 Termination date: 20210528 |