CN206076183U - A kind of bistable state trip gear of breaker operation mechanism - Google Patents
A kind of bistable state trip gear of breaker operation mechanism Download PDFInfo
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- CN206076183U CN206076183U CN201621090741.4U CN201621090741U CN206076183U CN 206076183 U CN206076183 U CN 206076183U CN 201621090741 U CN201621090741 U CN 201621090741U CN 206076183 U CN206076183 U CN 206076183U
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- coil
- bistable state
- separating brake
- fixed
- transmission arm
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Abstract
This utility model is related to Medium voltage switch or circuit breaker appliance field, especially a kind of bistable state trip gear of breaker operation mechanism.To solve the problems, such as that existing chopper monostable separating brake powder operation device needs power supply to maintain, this utility model realizes the holding of "on" position using bistable state coil by permanent magnet, external power source is not needed to power, iron-core coil is clashed into by the buffer that is connected on circuit breaker tie rod after separating brake so that bistable state coil enters "on" position, is that separating brake is ready next time.This utility model improves the reliability of breaker open operation, while the beneficial effect of save energy.
Description
Technical field
This utility model is related to Medium voltage switch or circuit breaker appliance field, especially the breaker open operation actuating in middle pressure ring mains unit
Device.
Background technology
In power system, middle pressure ring mains unit has obtained a large amount of uses, particularly adapts to the open circuit of intelligent grid demand
Device usage amount increases severely.It is when existing indoor breaker protection trips, many in the dropout mode of operating mechanism to be threaded off using monostable
Coil, when chopper needs trip protection, it is desirable to provide control power supply clashes into behaviour to drive the tripping coil of operating mechanism
Separating brake semiaxis on motivation structure make breaker open operation.This dropout mode is threaded off for monostable, needs to install special power-supply device,
Increased equipment cost and operating cost；And majority uses overcurrent release and adds electric current mutual during outdoor breaker trip protection
Sensor, when overload occurs in transmission line of electricity, current transformer induces secondary overload electric current and drives overcurrent release to make to break
Road device separating brake, this protected mode are fairly simple, but for complicated grid operating conditions can not be monitored at any time, are unfavorable for matching somebody with somebody
The realization of automation.Bistable coil magnetic field is always equidirectional with permanent magnet self-field on permanent magnet, so not
There is the danger of demagnetization.During separating brake coil magnetic field on permanent magnet with the direction of permanent magnet self-field be it is contrary,
Only in making process, both directions are only consistent.To solve the above problems, it is necessary to develop one kind and do not need power supply
The breaker open operation driving means of maintenance, improve distribution network automated level.
The content of the invention
The purpose of this utility model is the bistable state trip gear for providing a kind of breaker operation mechanism, solves existing point
Lock operation needs the problem of power supply.
To solve the above problems, a kind of technical scheme of the bistable state trip gear of breaker operation mechanism of this utility model
It is：A kind of bistable state trip gear of breaker operation mechanism, including the installation of operating mechanism, separating brake semiaxis, transmission arm, coil
Frame, bistable state coil, radome, reset buffer, circuit breaker tie rod, operating mechanism are equipped with energy-stored spring and separating brake extension spring, storage
Energy spring upper end is fixed on operating mechanism installing plate by axle, and energy-stored spring lower end is connected with drive shaft, and separating brake semiaxis pass through
Mechanical screens is connected with drive shaft, and separating brake extension spring upper end is fixed on operating mechanism installing plate, separating brake extension spring lower end connection separating brake
Connecting lever, the other end of separating brake connecting lever are connected with circuit breaker tie rod, and separating brake connecting lever is connected on operating mechanism installing plate by axle, its
It is characterised by：Transmission arm upper end is located at behind separating brake semiaxis, is provided with pin that borehole jack enters on coil installing rack again in the middle part of transmission arm
Fixed with block card or jump ring, there is hole transmission arm lower end through bistable state iron-core coil, by stop nut adjust transmission arm with it is double
The distance of stable state coil；Coil installing rack is fixed on operating mechanism, and bistable state coil is fixed on coil installing rack；Chopper
Reset buffer is housed before pull bar.
Reset buffer is made up of body, striker, buffer spring and limited cover.Reset buffer body is stainless steel
Material, one end are provided with internal screw thread and are connected with circuit breaker tie rod, and the other end is provided with external screw teeth and hole.Buffer spring is placed on the hole of body
It is interior.There is cylindrical step at striker rear portion, and its external diameter is less than the hole that this is opened in vivo, more than reset buffer spring external diameter；Striker is anterior
For hemispherical, middle is column type.The through hole being adapted to striker is provided with the middle of limited cover, limited cover is connected by screw thread with body
Connect.
There is radome outside bistable state coil, be fixed by screws in coil installing rack, coil installing rack is fixed with bolt
On the installing plate of operating mechanism.
It is iron-core coil in the middle of bistable state coil, one end of iron-core coil is connecting rod, limited location nut in connecting rod, separately
There is operating spring one end.Bistable state coil outer is framework, is coil and permanent magnet between framework and iron-core coil.When coil has
During electric current, the magnetic force that coil is produced overcomes the magnetic force of permanent magnet generation and under the collective effect of operating spring is maintained at iron core
Permanent magnet end, pulls transmission arm lower end to move to permanent magnet direction, and separating brake semiaxis are then clashed in transmission arm upper end, so that separating brake half
Axle is threaded off from drive shaft positioner, drives breaker open operation using the power that energy-stored spring is stored.When coil do not have electric current and
During breaker closing, circuit breaker tie rod drives reset buffer to clash into iron-core coil, in the magnetic force collective effect that permanent magnet is produced
It is lower that iron-core coil is maintained at into coil-end, the lower end of transmission arm is unclamped, transmission arm upper end is separated with separating brake semiaxis, at energy-stored spring
In stretching energy storage state, separating brake semiaxis are connected with drive shaft by mechanical screens, keep breaker closing state.
Using the beneficial effects of the utility model of above-mentioned measure：1st, bistable state coil is employed, separating brake driving is improve
Reliability.2nd, during breaker closing, bistable state coil provides magnetic force by permanent magnet and need not provide power supply in addition, is chopper
Passive protection provide the foundation；Cost and power-source maintenance work are saved for user simultaneously.3rd, provide for power distribution network intellectuality
A kind of reasonable selection scheme.
Description of the drawings
Fig. 1, operating mechanism gate-dividing state left view
Fig. 2, operating mechanism "on" position left view
Fig. 3, operating mechanism partial elevation view
Fig. 4, bistable state coil sectional view
Description of reference numerals：1st, operating mechanism；2nd, separating brake semiaxis；3rd, transmission arm；4th, coil installing rack；4.1st, block card；
4.2nd, screw；5th, bistable state coil；5.1st, stop nut；5.2nd, iron-core coil；5.3rd, coil；5.4th, permanent magnet；5.5th, framework；
5.6th, operating spring；5.7th, connecting rod；6th, radome；7th, reset buffer；8th, circuit breaker tie rod.
Specific embodiment
Below in conjunction with drawings and Examples, this utility model is further elaborated.
Embodiment 1：As shown in accompanying drawing 1, Fig. 2, Fig. 3, a kind of de- mouth device of bistable state of breaker operation mechanism, including behaviour
Motivation structure 1, separating brake semiaxis 2, transmission arm 3, coil installing rack 4, bistable state coil 5, radome 6, reset buffer 7, chopper
Pull bar 8, operating mechanism are equipped with energy-stored spring and separating brake extension spring, and energy-stored spring upper end is fixed on 1 installing plate of operating mechanism by axle
On, energy-stored spring lower end is connected with drive shaft, and separating brake semiaxis are connected with drive shaft by mechanical screens, is equipped with and dials in separating brake semiaxis
Piece, plectrum rear are 3 upper ends of transmission arm；Separating brake extension spring upper end is fixed on operating mechanism installing plate, the connection of separating brake extension spring lower end
Separating brake connecting lever, the other end of separating brake connecting lever are connected with circuit breaker tie rod 8, and separating brake connecting lever is connected to operating mechanism installing plate by axle
On, it is characterised in that：3 upper end of transmission arm is located at behind separating brake semiaxis 2, is provided with borehole jack and enters on coil installing rack 4 in the middle part of transmission arm 3
Pin fixed with block card 4.1 or jump ring again, there is hole 3 lower end of transmission arm through bistable state iron-core coil, by stop nut 5.1
Adjust the distance of transmission arm and bistable state coil；Coil installing rack 4 is fixed on operating mechanism 1, and bistable state coil 5 is fixed online
On circle installing rack 4；Circuit breaker tie rod 8 is above equipped with reset buffer 7.
Reset buffer 7 is made up of body, striker, buffer spring and limited cover.Reset buffer body is stainless steel
Material, one end are provided with internal screw thread and are connected with circuit breaker tie rod, and the other end is provided with external screw teeth and hole.Buffer spring is placed on the hole of body
It is interior.There is cylindrical step at striker rear portion, and its external diameter is less than the hole that this is opened in vivo, more than reset buffer spring external diameter；Striker is anterior
For hemispherical, middle is column type.The through hole being adapted to striker is provided with the middle of limited cover, limited cover is connected by screw thread with body
Connect.
There is radome 6 outside bistable state coil, be fixed by screws in coil installing rack 4, coil installing rack 4 is solid with bolt
It is scheduled on the installing plate of operating mechanism 1.Radome 6 is used as non-magnetic material, preferably non-magnetic rustless steel.Radome 6
Main Function is the magnetic field for shielding bistable state coil, it is to avoid iron content debris are adsorbed to permanent magnet 5.4 or coil 5.3.
As shown in figure 4, being iron-core coil 5.2 in the middle of bistable state coil 5, one end of iron-core coil 5.2 is with connecting rod 5.7 admittedly
Fixed, 5.7 limited location nut 5.1 of connecting rod, the other end have operating spring 5.6.It is framework 5.5 outside bistable state coil 5, framework
It is coil 5.3 and permanent magnet 5.4 between 5.5 and iron-core coil 5.2.What stop nut is connecting rod 5.7 be stainless steel material.When
When coil 5.3 has electric current, the magnetic force that coil 5.3 is produced overcomes the magnetic force of the generation of permanent magnet 5.4 and in the common of operating spring 5.6
Iron core 5.2 is maintained at into 5.4 end of permanent magnet under effect, pulls transmission arm lower end to move to permanent magnet direction, transmission arm upper end is then
Separating brake semiaxis are clashed into, so that separating brake semiaxis 2 are threaded off from drive shaft positioner, is driven using the power that energy-stored spring is stored disconnected
Road device separating brake.When coil does not have electric current and breaker closing, circuit breaker tie rod drives reset buffer to clash into iron-core coil,
Iron-core coil is maintained at into coil-end 5.3 under the magnetic force collective effect that permanent magnet is produced, the lower end of transmission arm 3, transmission arm 3 is unclamped
Upper end is separated with separating brake semiaxis 2, and energy-stored spring is connected by mechanical screens and drive shaft in stretching energy storage state, separating brake semiaxis
Connect, keep breaker closing state.
Using the technical program relative to existing monostable technical scheme, separating brake reliability is improve, the energy has been saved,
Reduce the maintenance workload of power supply.
Claims (5)
1. a kind of de- mouth device of bistable state of breaker operation mechanism, including operating mechanism（1）, separating brake semiaxis（2）, transmission arm
（3）, coil installing rack（4）, bistable state coil（5）, radome（6）, reset buffer（7）, circuit breaker tie rod（8）, actuating machine
Structure is equipped with energy-stored spring and separating brake extension spring, and energy-stored spring upper end is fixed on operating mechanism by axle（1）On installing plate, energy-stored spring
Lower end is connected with drive shaft, and separating brake semiaxis are connected with drive shaft by mechanical screens, and plectrum, plectrum rear are housed in separating brake semiaxis
It is transmission arm（3）Upper end；Separating brake extension spring upper end is fixed on operating mechanism installing plate, separating brake extension spring lower end connection separating brake connecting lever,
The other end and circuit breaker tie rod of separating brake connecting lever（8）Connection, separating brake connecting lever are connected on operating mechanism installing plate by axle, and which is special
Levy and be：Transmission arm（3）Upper end is located at separating brake semiaxis（2）Below, transmission arm（3）Middle part is provided with borehole jack and enters coil installing rack（4）
On pin use block card again（4.1）Or jump ring is fixed, transmission arm（3）There is hole lower end through bistable state iron-core coil, by spacing
Nut（5.1）Adjust the distance of transmission arm and bistable state coil；Coil installing rack（4）It is fixed on operating mechanism（1）On, bistable state
Coil（5）It is fixed on coil installing rack（4）On；Circuit breaker tie rod（8）Reset buffer 7 is above housed.
2. a kind of bistable state of breaker operation mechanism takes off mouth device as claimed in claim 1, it is characterised in that：Described reset is delayed
Rush device（7）It is made up of body, striker, buffer spring and limited cover, reset buffer（7）Body is stainless steel material, and one end is opened
There are internal screw thread and circuit breaker tie rod（8）Connection, the other end are provided with external screw teeth and hole, and buffer spring is placed in the hole of body, is hit
There is cylindrical step at pin rear portion, and its external diameter is less than the hole that this is opened in vivo, more than reset buffer spring external diameter；It is hemisphere that striker is anterior
Shape, middle is column type, and the through hole being adapted to striker is provided with the middle of limited cover, and limited cover is threaded connection with body.
3. a kind of bistable state of breaker operation mechanism takes off mouth device as claimed in claim 1, it is characterised in that：The bistable state
Coil（5）There is radome outside（6）, it is fixed by screws in coil installing rack（4）, coil installing rack（4）It is fixed by bolts to
Operating mechanism（1）Installing plate on, radome（6）Using for non-magnetic material.
4. a kind of bistable state of breaker operation mechanism takes off mouth device as claimed in claim 3, it is characterised in that：The radome
（6）For stainless steel material.
5. a kind of bistable state of breaker operation mechanism takes off mouth device as claimed in claim 3, it is characterised in that：The bistable state
Coil（5）Centre is iron-core coil（5.2）, iron-core coil（5.2）One end and connecting rod（5.7）It is fixed, connecting rod（5.7）Have
Stop nut（5.1）, the other end has operating spring（5.6）；Connecting rod（5.7）And stop nut（5.1）It is stainless steel material；
Bistable state coil（5）Outside is framework（5.5）, framework（5.5）And iron-core coil（5.2）Between be coil（5.3）And permanent magnet
（5.4）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621090741.4U CN206076183U (en) | 2016-09-29 | 2016-09-29 | A kind of bistable state trip gear of breaker operation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621090741.4U CN206076183U (en) | 2016-09-29 | 2016-09-29 | A kind of bistable state trip gear of breaker operation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206076183U true CN206076183U (en) | 2017-04-05 |
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ID=58439673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621090741.4U Active CN206076183U (en) | 2016-09-29 | 2016-09-29 | A kind of bistable state trip gear of breaker operation mechanism |
Country Status (1)
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| CN (1) | CN206076183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328455A (en) * | 2016-09-29 | 2017-01-11 | 北海银河开关设备有限公司 | Bi-stable trip gear for circuit breaker operating mechanism |
-
2016
- 2016-09-29 CN CN201621090741.4U patent/CN206076183U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328455A (en) * | 2016-09-29 | 2017-01-11 | 北海银河开关设备有限公司 | Bi-stable trip gear for circuit breaker operating mechanism |
| CN106328455B (en) * | 2016-09-29 | 2019-02-12 | 北海银河开关设备有限公司 | A kind of bistable state trip gear of breaker operation mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210416 Address after: 536000 2 / F and 3 / F, information center building, Yinhe software science and Technology Park, 11 Tibet Road, Beihai City, Guangxi Zhuang Autonomous Region Patentee after: GUANGXI YINHE DECOM ELECTRIC Co.,Ltd. Address before: 536000 the Guangxi Zhuang Autonomous Region, Haicheng District, Tibet Road, No. 11, Galaxy Science and Technology Park, general building, Patentee before: BEIHAI GALAXY SWITCH DEVICES Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210719 Address after: 225000 in Zhongman power Jiangsu Co., Ltd., Zhongman Road, high tech Development Zone, Yangzhou City, Jiangsu Province Patentee after: Jiangsu deyidikang Technology Co.,Ltd. Address before: 536000 2 / F and 3 / F, information center building, Yinhe software science and Technology Park, 11 Tibet Road, Beihai City, Guangxi Zhuang Autonomous Region Patentee before: GUANGXI YINHE DECOM ELECTRIC Co.,Ltd. |
|
| TR01 | Transfer of patent right |