CN108493068A - A kind of spring operating mechanism and the breaker using the operating mechanism - Google Patents
A kind of spring operating mechanism and the breaker using the operating mechanism Download PDFInfo
- Publication number
- CN108493068A CN108493068A CN201810456722.6A CN201810456722A CN108493068A CN 108493068 A CN108493068 A CN 108493068A CN 201810456722 A CN201810456722 A CN 201810456722A CN 108493068 A CN108493068 A CN 108493068A
- Authority
- CN
- China
- Prior art keywords
- electromagnet
- operating mechanism
- closing
- energy storage
- spring operating
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1054—Means for avoiding unauthorised release
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/505—Latching devices between operating and release mechanism
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/66—Power reset mechanisms
- H01H71/68—Power reset mechanisms actuated by electromagnet
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention relates to the breakers of a kind of spring operating mechanism and the use operating mechanism, spring operating mechanism includes mechanism rack, energy storage axle and combined floodgate trip unit, energy storage axle is equipped with closing cam, combined floodgate trip unit includes rolling assembling in the closing pawl for coordinating with the limit of closing cam block when operating mechanism energy storage is completed in mechanism rack, mechanism rack is equipped with latching electromagnet, latching electromagnet, which has, to be rotated for block closing pawl to leave the electromagnet mandrel of energy storage holding position, latching electromagnet is had the first working condition for making the stretching of electromagnet mandrel be rotated with closing pawl described in block and electromagnet mandrel is made to retract to avoid the second working condition of the closing pawl.Since the block of electromagnet mandrel acts on, closing pawl, which can not rotate, is detached from energy storage holding position, ensures that combined floodgate trip unit can not thread off, realizes to the mechanical latching of closing operation, effectively increase the safety operation of spring operating mechanism.
Description
Technical field
The present invention relates to the breakers of a kind of spring operating mechanism and the use operating mechanism.
Background technology
Switchgear is used in a variety of electric system, the breaker in switchgear is that division switchgear high pressure is powered back
The critical elements on road.The structure of breaker can be found in disclosed in the utility model patent that Authorization Notice No. is CN206893469U
Integrated spring operating mechanism, includes both side plate together by supporting rod fixing assembling, and both side plate is equipped with energy storage axle, storage
Energy axis is equipped with closing cam, and the free end of the separate energy storage axle of closing cam is equipped with energy storage and keeps idler wheel, corresponding energy storage guarantor
It holds idler wheel and is equipped with combined floodgate trip unit, combined floodgate trip unit includes sincere by combined floodgate of the support shaft rolling assembling on both side plate
Son is released by being conveniently operated personnel by driving in a manner of manually, electrically closing pawl to be rotated away from energy storage holding position to closing a floodgate
The block of cam limits, and then, energy storage axle rotates under the action of switching-in spring to be driven with driving power output shaft output to close a floodgate
Power.When breaker is in operating position or experimental site, after operating mechanism is by energy storage motor or manual operation energy storage, conjunction is utilized
Floodgate semiaxis or Manual press switch knob are hit after the electrification of lock electromagnet, so that operating mechanism is realized and threads off, combined floodgate energy wink
Between discharge, realize breaker switching-on operation, complete the conducting of breaker primary circuit.
Continuous improvement with electric system to security requirement, it is proposed that only charge and own in secondary locked loop
Under conditions of electic protection starts, just allow breaker switching-on operation.But existing breaker operation mechanism majority is not directed to and closes
Lock trip unit configures closing locking structure, that is to say, that breaker is at operating position or testing position, as long as energy storage is complete
At, you can it is operated manually or electrically closed a floodgate, there are security risks for closing operation, cannot meet the peace required by electric system
Full reliability.
Invention content
The purpose of the present invention is to provide a kind of spring operating mechanisms, to solve breaker operation mechanism in the prior art
Lacking causes closing operation there is technical issues that the closing locking structure of combined floodgate trip unit；Meanwhile this hair
It is bright that a kind of breaker using above-mentioned operating mechanism is also provided.
To achieve the above object, the technical solution of spring operating mechanism provided by the present invention is：A kind of spring actuator
Structure, including mechanism rack, mechanism rack are equipped with energy storage axle, and energy storage axle is equipped with closing cam, and combined floodgate is additionally provided in mechanism rack and is threaded off
Unit, combined floodgate trip unit include that rolling assembling is used to keep off with closing cam when operating mechanism energy storage is completed in mechanism rack
The closing pawl of cooperation is only limited, closing pawl is used for the switching electromagnet for spring operating mechanism, closing by hand actuator drives
Turn is dynamic to leave energy storage holding position, and mechanism rack is equipped with latching electromagnet, and latching electromagnet, which has, is used for block closing pawl
To leave the electromagnet mandrel of energy storage holding position, latching electromagnet, which has, makes electromagnet mandrel stretch out to close a floodgate described in block for rotation
First working condition of sincere sub- rotation and make electromagnet mandrel retract to avoid the second working condition of the closing pawl.
The beneficial effects of the invention are as follows：In spring operating mechanism provided by the present invention, electromagnet mandrel is stretched out with block
Closing pawl is rotated away from energy storage holding position, at this point, even switching electromagnet surprisingly the rotation of electric pushing tow closing pawl, or
It is that closing pawl rotation is driven by closing by hand actuator, since the block of electromagnet mandrel acts on, closing pawl can not turn
It is dynamic to be detached from energy storage holding position, ensure that combined floodgate trip unit can not thread off, realizes to the mechanical latching of closing operation, effectively increase
The safety operation of spring operating mechanism.
Further, floodgate semiaxis is installed on the closing pawl, floodgate semiaxis is equipped with for supplying the electromagnet
Mandrel block is to limit the sheathing section of closing pawl rotation.Electromagnet mandrel with the block of floodgate semiaxis by limiting closing pawl
Rotation, block is convenient.
Further, the switching electromagnet and electromagnetic core axle position are in the opposite sides of the floodgate semiaxis.
Further, the switching electromagnet is powered by closing circuit, and closing circuit is equipped with locking normally opened contact, locking
Normally opened contact is disconnected when latching electromagnet is in the first working condition, is closed when latching electromagnet is in the second working condition
It closes.The electric blocking to switching electromagnet is realized using latching electromagnet, improves the latch effect operated to electric switch-on.
Further, the latching electromagnet includes being latched normally opened contact and for being deformed by electromagnet mandrel pushing tow to control
The spring bearer plate that system locking normally opened contact is closed.
Further, the latching electromagnet is powered by locked loop, when locked loop is not charged, at latching electromagnet
In the first working condition, when locked loop charges, latching electromagnet is in the second working condition.
The technical solution of breaker provided by the present invention using above-mentioned spring operating mechanism is：A kind of breaker, packet
Include the spring operating mechanism of static contact, moving contact and driving moving contact action, spring operating mechanism, including mechanism rack, mechanism
Frame is equipped with energy storage axle, and energy storage axle is equipped with closing cam, combined floodgate trip unit, combined floodgate trip unit packet are additionally provided in mechanism rack
It is sincere in the combined floodgate for coordinating with the limit of closing cam block when operating mechanism energy storage is completed in mechanism rack to include rolling assembling
Son, closing pawl is used for the switching electromagnet for spring operating mechanism, closing by hand actuator drives rotation to leave energy storage guarantor
Position is held, mechanism rack is equipped with latching electromagnet, and latching electromagnet, which has, to be rotated for block closing pawl to leave energy storage holding
The electromagnet mandrel of position, latching electromagnet, which has, makes electromagnet mandrel stretch out with the first work of closing pawl rotation described in block
State and make electromagnet mandrel retract to avoid the second working condition of the closing pawl.
Further, floodgate semiaxis is installed on the closing pawl, floodgate semiaxis is equipped with for supplying the electromagnet
Mandrel block is to limit the sheathing section of closing pawl rotation.
Further, the switching electromagnet and electromagnetic core axle position are in the opposite sides of the floodgate semiaxis.
Further, the switching electromagnet is powered by closing circuit, and closing circuit is equipped with locking normally opened contact, locking
Normally opened contact is disconnected when latching electromagnet is in the first working condition, is closed when latching electromagnet is in the second working condition
It closes.
Under the scheme that switching electromagnet realizes electric blocking, it includes that locking is normal further to limit the latching electromagnet
Open contact and for being deformed by electromagnet mandrel pushing tow to control the spring bearer plate that locking normally opened contact is closed.
Under the scheme that switching electromagnet realizes electric blocking, the latching electromagnet is further limited by locked loop
Power supply, when locked loop is not charged, latching electromagnet is in the first working condition, when locked loop charges, is latched electromagnetism
Iron is in the second working condition.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of embodiment of spring operating mechanism provided by the present invention；
Fig. 2 is switching electromagnet, floodgate semiaxis, latching electromagnet assembling structure schematic diagram in Fig. 1；
Fig. 3 is the closing locking electrical schematic diagram of spring operating mechanism shown in Fig. 1.
Specific implementation mode
The specific implementation mode of the present invention is described further below in conjunction with the accompanying drawings, but is not limited thereto.
The specific embodiment of spring operating mechanism provided by the present invention, as shown in Figure 1 to Figure 3, the bullet in the embodiment
Spring operating mechanism includes mechanism rack, and mechanism rack includes spaced apart both side plate 1 and the supporting rod between both side plate, mechanism
Frame 20 is equipped with energy storage axle 10, energy-storage crank arm, energy-stored spring 11, transmission gear, structures such as energy storage motor, also, in energy storage axle
It is equipped with closing cam, the free end of the separate energy storage axle of closing cam is equipped with energy storage and keeps idler wheel, and the storage is corresponded in mechanism rack
Idler wheel can be kept to be equipped with combined floodgate trip unit, combined floodgate trip unit includes the combined floodgate on both side plate by support shaft rolling assembling
Sincere son, the closing pawl close a floodgate for the closing pawl when operating mechanism energy storage is completed with the limit cooperation of closing cam block
Switching electromagnet, closing by hand actuator of the sincere son for for spring operating mechanism drive rotation to leave energy storage holding position,
The actuating arm of closing pawl is equipped with electric switch-on part and closing by hand part, passes through side manually, electrically to be conveniently operated personnel
Formula drives closing pawl to be rotated away from energy storage holding position, releases and is limited to the block of closing cam, then, energy storage axle is in combined floodgate bullet
It is rotated under the action of spring to drive power output shaft to export combined floodgate driving force.The corresponding switching electromagnet 4 of electric drive mode, hand
Corresponding dynamic type of drive is hand push rod 2, and switching electromagnet 4 is charged to drive the floodgate semiaxis being installed on closing pawl 3,
Either by pushing tow hand push rod 2 to drive the push plate being installed on closing pawl, can drive closing pawl rotation with
It is detached from energy storage holding position, energy storage axle is rotated by energy-stored spring to realize closing operation.These are with Authorization Notice No.
The structure of spring operating mechanism disclosed in CN206893469U utility model patents is identical, and details are not described herein.
Difference with existing spring operating mechanism essentially consists in：It is equipped with the phase of above-mentioned switching electromagnet in the outside of mechanism rack
It answers on side plate 1, in being installed with latching electromagnet 8 on the lateral surface of the side plate 1, latching electromagnet is solid by electromagnet mounting plate 5
In respective side panels, latching electromagnet 8 includes locking normally opened contact 6, spring bearer plate 7 and electromagnet mandrel 9, electromagnet for Dingan County
Mandrel 9 and switching electromagnet 4 are located at the opposite sides of floodgate semiaxis 3, and floodgate semiaxis 3 is equipped with for being kept off for electromagnetic core axis 9
Only to limit the sheathing section of closing pawl rotation.Electromagnet mandrel 9 is specifically used for moving by block floodgate semiaxis 3 to be closed with block
The sincere son of lock is rotated away from energy storage holding position, and latching electromagnet 8, which has, makes electromagnet mandrel 9 stretch out with the of block floodgate semiaxis 3
One working condition, and electromagnet mandrel 9 is made to retract to avoid the second working condition of floodgate semiaxis 3.
In the present embodiment, as shown in figure 3, the coil of latching electromagnet 8 is powered by locked loop 200, work as latching electromagnet
When not charged, latching electromagnet is in the first working condition, and when locked loop 200 charges, latching electromagnet is in second
Working condition.
When latching electromagnet 8 is not charged, electromagnet mandrel 9 is stretched out with block floodgate semiaxis, at this point, the electricity that even closes a floodgate
When magnet 4 surprisingly obtains electric pushing tow floodgate semiaxis, 3 retard motion of floodgate semiaxis, closing pawl, which can not rotate, is detached from energy storage holding position,
Also, at this time operation hand push rod 2 also can not pushing tow closing pawl rotation, ensure combined floodgate trip unit can not thread off, realization has
The mechanical latching of effect.
Moreover, as shown in figure 3, the coil due to switching electromagnet 4 is powered by closing circuit 100, above-mentioned latching electromagnet 8
Locking normally opened contact 6 be serially connected on closing circuit 100, so, locking normally opened contact 6 latching electromagnet be in first
It disconnects when working condition, be closed when latching electromagnet is in the second working condition.
As shown in Fig. 2, in the present embodiment, conducting, the disconnection of locking normally opened contact 6 are controlled especially by spring bearer plate 7,
Latching electromagnet 8 includes spring bearer plate 7, and spring bearer plate connect with a contact conductive, when latching electromagnet obtains it is electric when, electromagnet
Mandrel 9 is retracted, no longer block floodgate semiaxis 3, at this point, the free end of the tail portion goring push spring pressing plate 7 of electromagnet mandrel 9 makes bullet
Spring pressing plate is contacted with another contact conductive, to realize the conducting of locking normally opened contact 6, and if latching electromagnet dead electricity
When, electromagnet mandrel stretches out, and spring bearer plate is resetted to be detached from the contact of corresponding side, is disconnected to control locking normally opened contact.
As shown in Figure 3, the locking normally opened contact of latching electromagnet is serially connected on closing circuit, when latching electromagnet not it is electric
When, locking normally opened contact is off, and closing circuit disconnects, and switching electromagnet cannot obtain electric, and electric switch-on cannot operate,
To realize electric blocking function.
In use, when locked loop charges, latching electromagnet 8 acts, and electromagnet mandrel 9 moves upwards, and leaves combined floodgate
Semiaxis 3 is manually operated hand push rod 2 and pushes closing pawl rotation at this time, and floodgate semiaxis 3 is moved to depth direction, in-house
Combined floodgate holding part moment threads off, and completes closing by hand operation.Moreover, while electromagnet mandrel 9 moves upwards, tail portion pressure
Tight spring bearer plate 7, makes locking normally opened contact 6 be closed, and the secondary electric loop of closing operation is connected, if switching electromagnet 4 at this time
Coil obtain it is electric, switching electromagnet action after iron core hit floodgate semiaxis 3, floodgate semiaxis 3 is moved to depth direction, in-house
Combined floodgate trip unit moment threads off, and can complete electric switch-on operation.The spring operating mechanism that the present embodiment is provided, operation is more
Securely and reliably.Meet the security reliability and versatility requirement required by electrical equipment.It is reasonable for structure, make simple, installation side
Just, applied widely.
In the present embodiment, latching electromagnet not only realizes mechanical latching, also achieves and is closed to the combined floodgate of switching electromagnet
Lock, latch effect are more preferable.In other embodiments, electric blocking can also be saved, and only realizes mechanical latching, it equally can be real
Now the closing locking of operating mechanism is operated, at this point, the structures such as locking normally opened contact, spring bearer plate can be saved.
Also, it is directly acted on closing pawl by floodgate semiaxis, eliminates intermediate link, design is simpler can
It leans on, reduces the influence that rigging error is brought, reduce mechanism-trouble point.
In the present embodiment, the first working condition is in when latching electromagnet dead electricity, it is electric when be in the second working condition,
In other embodiments, can also make latching electromagnet it is electric when in make electromagnet mandrel stretch out the first working condition,
And in dead electricity in the second working condition for making electromagnet retract.
In the present embodiment, be installed with floodgate semiaxis on closing pawl, the electromagnet mandrel of switching electromagnet by with combined floodgate
The block of semiaxis realizes that the blocking to closing pawl limits.In other embodiments, closing pawl can also be acted directly on
On actuating arm or other positions, as long as can stop that closing pawl rotation is detached from energy storage holding position.
The present invention also provides a kind of breaker, the structure of the breaker is identical as breaker structure in the prior art, together
Sample includes the structures such as static contact, moving contact, further includes spring operating mechanism, which uses above-mentioned Fig. 1 to Fig. 3 institutes
The spring operating mechanism shown, details are not described herein for structure.
Claims (7)
1. a kind of spring operating mechanism, including mechanism rack, mechanism rack is equipped with energy storage axle, and energy storage axle is equipped with closing cam, machine
Combined floodgate trip unit is additionally provided on framework, combined floodgate trip unit includes that rolling assembling is used to store up in operating mechanism in mechanism rack
When can complete the combined floodgate electromagnetism for spring operating mechanism is used for the closing pawl of closing cam block limit cooperation, closing pawl
Iron, the driving rotation of closing by hand actuator are to leave energy storage holding position, it is characterised in that：Mechanism rack is equipped with latching electromagnet,
Latching electromagnet, which has, to be rotated for block closing pawl to leave the electromagnet mandrel of energy storage holding position, and latching electromagnet has
So that electromagnet mandrel is stretched out the first working condition rotated with closing pawl described in block and electromagnet mandrel is made to retract to avoid
Second working condition of the closing pawl.
2. spring operating mechanism according to claim 1, it is characterised in that：Combined floodgate half is installed on the closing pawl
Axis, floodgate semiaxis are equipped with for stopping for the electromagnetic core axle bumper to limit the sheathing section of closing pawl rotation.
3. spring operating mechanism according to claim 2, it is characterised in that：The switching electromagnet and electromagnetic core axle position
In the opposite sides of the floodgate semiaxis.
4. spring operating mechanism according to claim 1 or 2 or 3, it is characterised in that：The switching electromagnet is by closing a floodgate back
Road powers, and closing circuit is equipped with locking normally opened contact, and locking normally opened contact is when latching electromagnet is in the first working condition
It disconnects, be closed when latching electromagnet is in the second working condition.
5. spring operating mechanism according to claim 4, it is characterised in that：The latching electromagnet includes being latched normally opened touch
It puts and for being deformed by electromagnet mandrel pushing tow to control the spring bearer plate that locking normally opened contact is closed.
6. spring operating mechanism according to claim 4, it is characterised in that：The latching electromagnet is supplied by locked loop
Electricity, when locked loop is not charged, latching electromagnet is in the first working condition, when locked loop charges, latching electromagnet
In the second working condition.
7. a kind of breaker, includes the spring operating mechanism of static contact, moving contact and driving moving contact action, feature exists
In：Spring operating mechanism uses such as spring operating mechanism according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810456722.6A CN108493068A (en) | 2018-05-14 | 2018-05-14 | A kind of spring operating mechanism and the breaker using the operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810456722.6A CN108493068A (en) | 2018-05-14 | 2018-05-14 | A kind of spring operating mechanism and the breaker using the operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108493068A true CN108493068A (en) | 2018-09-04 |
Family
ID=63352768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810456722.6A Pending CN108493068A (en) | 2018-05-14 | 2018-05-14 | A kind of spring operating mechanism and the breaker using the operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108493068A (en) |
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| CN202549706U (en) * | 2012-02-28 | 2012-11-21 | 上海西门子开关有限公司 | Spring operating mechanism and vacuum circuit breaker |
| CN102891046A (en) * | 2012-09-21 | 2013-01-23 | 北海银河开关设备有限公司 | Circuit breaker interlocking device |
| CN203690226U (en) * | 2013-12-26 | 2014-07-02 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker |
| CN104810199A (en) * | 2015-05-14 | 2015-07-29 | 安徽明远电力设备制造有限公司 | Switching-on locking and unlocking device of circuit breaker and switching-on locking and unlocking method of switching-on locking and unlocking device |
| CN204651269U (en) * | 2015-06-05 | 2015-09-16 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker |
| CN205069430U (en) * | 2015-11-05 | 2016-03-02 | 常熟开关制造有限公司(原常熟开关厂） | Breaker |
| CN106935424A (en) * | 2017-05-05 | 2017-07-07 | 河南森源电气股份有限公司 | A kind of spring operating mechanism and its closing pawl |
| CN208256600U (en) * | 2018-05-14 | 2018-12-18 | 河南森源电气股份有限公司 | Spring operating mechanism and the breaker for using the operating mechanism |
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2018
- 2018-05-14 CN CN201810456722.6A patent/CN108493068A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200956331Y (en) * | 2006-09-29 | 2007-10-03 | 李锐帮 | High-voltage vacuum circuit breaker spring operating mechanism |
| CN202549706U (en) * | 2012-02-28 | 2012-11-21 | 上海西门子开关有限公司 | Spring operating mechanism and vacuum circuit breaker |
| CN102891046A (en) * | 2012-09-21 | 2013-01-23 | 北海银河开关设备有限公司 | Circuit breaker interlocking device |
| CN203690226U (en) * | 2013-12-26 | 2014-07-02 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker |
| CN104810199A (en) * | 2015-05-14 | 2015-07-29 | 安徽明远电力设备制造有限公司 | Switching-on locking and unlocking device of circuit breaker and switching-on locking and unlocking method of switching-on locking and unlocking device |
| CN204651269U (en) * | 2015-06-05 | 2015-09-16 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker |
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| CN106935424A (en) * | 2017-05-05 | 2017-07-07 | 河南森源电气股份有限公司 | A kind of spring operating mechanism and its closing pawl |
| CN208256600U (en) * | 2018-05-14 | 2018-12-18 | 河南森源电气股份有限公司 | Spring operating mechanism and the breaker for using the operating mechanism |
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