CN110120322A - A kind of totally enclosed type low-voltage circuit breaker - Google Patents
A kind of totally enclosed type low-voltage circuit breaker Download PDFInfo
- Publication number
- CN110120322A CN110120322A CN201810118442.4A CN201810118442A CN110120322A CN 110120322 A CN110120322 A CN 110120322A CN 201810118442 A CN201810118442 A CN 201810118442A CN 110120322 A CN110120322 A CN 110120322A
- Authority
- CN
- China
- Prior art keywords
- insulation shell
- voltage circuit
- push rod
- cylinder body
- totally enclosed
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses a kind of totally enclosed type low-voltage circuit breakers, including insulation shell, push rod is equipped in insulation shell, resetting apparatus, the driving device and vacuum extinction device moved up and down for driving push rod, driving device includes being integrally formed cylinder body with insulation shell, it is located at the intracorporal permanent magnet of cylinder and is located at outer wall of cylinder block for driving permanent magnet moving coil, driving device is connect by a transmission mechanism with push rod, transmission mechanism includes cross bar, gag lever post and support rod, cross bar, which is equipped with, has bevelled block, support rod is equipped with connecting rod, gag lever post is equipped with slide bar, one end of slide bar is equipped with pulley, pulley is set on the inclined-plane of block, the other end is connect by connecting rod with push rod, insulation shell be equipped with respectively with vacuum extinction device moving contact, the Up Highway UHW and Down Highway of static contact connection.Beneficial effects of the present invention: it by way of vacuum extinction device and insulation shell dual resisteance, avoids low-voltage circuit breaker and operates generated security risk in inflammable and explosive environment.
Description
Technical field
The application belongs to technical field of electrical equipment, specifically, being related to a kind of totally enclosed type low-voltage circuit breaker.
Background technique
With technologically developing, electric power is widely used in production and living, low-voltage circuit breaker as a kind of low-voltage electrical apparatus,
Play the role of overload, short circuit and under-voltage protection in distribution line, is at present typically all universal air in low-voltage distributing line
Formula breaker as in route control and protection equipment, this breaker due to its contact portion be all it is exposed,
During division, electric spark caused by contact is protected in air, when having inflammable and explosive gas or dust in air
When, once touching electric spark it is possible to that explosion danger occurs, therefore, in more complicated environment, low-voltage circuit breaker is past
Toward by the way of vacuum extinction, still, vacuum extinction device is in the case of long-term use, it may appear that the case where aging gas leakage,
Still there is some potential safety problems.
Summary of the invention
In view of this, the technical problem to be solved by the application is to provide a kind of totally enclosed type low-voltage circuit breakers, effectively
Internal break mechanism has been cut off to contact with extraneous.
In order to solve the above-mentioned technical problem, this application discloses a kind of totally enclosed type low-voltage circuit breaker, including insulation shell, institutes
It states and is equipped with push rod, resetting apparatus and vacuum extinction device in insulation shell, be additionally provided in the insulation shell and moved down in driving push rod
Dynamic driving device, the driving device include cylinder body, permanent magnet and coil, and the permanent magnet is set to the inside of cylinder body, institute
The outer wall for stating cylinder body is integrally formed equipped with the coil for driving permanent magnet mobile, the cylinder body and insulation shell, the driving dress
It sets and is connect by a transmission mechanism with push rod, the transmission mechanism includes cross bar, gag lever post and support rod, one end of the cross bar
It is connect with permanent magnet, the other end is equipped with block, and the block is equipped with inclined-plane, and the gag lever post and support rod are set to insulation shell
On, the support rod is equipped with connecting rod and is rotatably connected with connecting rod, and the gag lever post is equipped with slide bar, one end of the slide bar
Equipped with pulley, the pulley is set on the inclined-plane of block, and one end of the slide bar other end and connecting rod connects, the connecting rod it is another
One end is rotatably connected with push rod, and the insulation shell is equipped with Up Highway UHW and Down Highway, the Up Highway UHW and vacuum extinction device
Moving contact electrical connection, the Down Highway are electrically connected with the static contact of vacuum extinction device.
More preferably: L-type baffle and vertical baffle are additionally provided on the cross bar, the block is set to L-type baffle and vertical gear
Between plate, the L-type baffle and vertical baffle are integrally formed with cross bar.
More preferably: guide sleeve, the inner wall splicing of the guide sleeve and cylinder body are additionally provided in the cylinder body, the cylinder body is gone back outside
Equipped with dust cover, the dust cover and the insulation shell snapping.
More preferably: the resetting apparatus includes compression bar, reset spring and fixed pole, and the fixed pole is set to the inner wall of insulation shell
On, the compression bar is made of jackshaft, upper platen and pressing disc, and the jackshaft runs through fixed pole, and the reset spring is set to fixed
Between bar and upper platen, the pressing disc is connect with the moving contact of vacuum extinction device.
More preferably: the Up Highway UHW is flexible coupling and connect with the moving contact of vacuum extinction device by one, the Up Highway UHW with it is soft
Connection is bolted on insulation shell.
More preferably: one end of the push rod is connect with upper platen, the other end be equipped with guide post, the insulation shell be equipped with
The groove that guide post matches, the guide post are set in groove.
Compared with prior art, the application can be obtained including following technical effect:
1) original unhook protection mechanism is also isolated with external using vacuum extinction device, promotion is resolved
The leakproofness of road device entirety；
2) by way of electromagnetic drive, not only improve manipulation effect, and accomplished internal mechanism with it is extraneous complete
Full isolation, further lift-off seal.
Certainly, implement any product of the application it is not absolutely required to and meanwhile reach all the above technical effect.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the general structure schematic diagram of the application totally enclosed type low-voltage circuit breaker embodiment；
Fig. 2 is the schematic diagram of driving device of the application totally enclosed type low-voltage circuit breaker embodiment；
Fig. 3 is the disconnecting mechanism schematic diagram of the application totally enclosed type low-voltage circuit breaker embodiment；
Fig. 4 is the pusher structure schematic diagram of the application totally enclosed type low-voltage circuit breaker embodiment.
Description of symbols in figure: 1, insulation shell, 2, push rod, 3, resetting apparatus, 4, vacuum extinction device, 5, Up Highway UHW, 6, lower mother
Line, 7, cylinder body, 8, permanent magnet, 9, coil, 10, cross bar, 11, block, 12, pulley, 13, gag lever post, 14, slide bar, 15, support
Bar, 16, connecting rod, 17, L-type baffle, 18, vertical baffle, 19, guide sleeve, 20, dust cover, 21, guide post, 22, groove.
Specific embodiment
Presently filed embodiment is described in detail below in conjunction with accompanying drawings and embodiments, how the application is applied whereby
Technological means solves technical problem and reaches the realization process of technical effect to fully understand and implement.
As shown in Figure 1, 2, a kind of totally enclosed type low-voltage circuit breaker of the embodiment of the present application, including insulation shell 1, insulation shell 1
Interior to be equipped with push rod 2, resetting apparatus 3 and vacuum extinction device 4, resetting apparatus 3 includes compression bar 31, reset spring 32 and fixed pole 33,
Fixed pole 33 is set on the inner wall of insulation shell 1, and compression bar 31 is made of jackshaft, upper platen and pressing disc, and jackshaft runs through fixed pole 33,
Reset spring 32 is set between fixed pole 33 and upper platen, and pressing disc is connect with the moving contact of vacuum extinction device 4；In insulation shell 1
It is additionally provided with the driving device moved up and down for driving push rod 2, driving device includes cylinder body 7, permanent magnet 8 and coil 9, permanent magnetism
Iron 8 is set to the inside of cylinder body 7, is equipped with coil 9 in the outer wall of cylinder body 7, when coil 9 is powered, certain magnetic field is generated, to push away
Dynamic permanent magnet 8 is mobile, and in order to achieve the effect that be fully sealed, cylinder body 7 and insulation shell 1 are integrally formed；Driving device is passed by one
Motivation structure is connect with push rod 2, and specific transmission mechanism includes cross bar 10, gag lever post 13 and support rod 15, one end of cross bar 10 with
Permanent magnet 8 connects, and connection type can be direct splicing, and a groove can also be opened up on permanent magnet 8, is then glued, thus
Bonding strength is promoted, the other end is equipped with block 11, and block 11 is equipped with inclined-plane, and gag lever post 13 and support rod 15 are set to insulation shell
On 1, support rod 15 is equipped with and connecting rod 16 and is rotatably connected with connecting rod 16, and gag lever post 13 is equipped with slide bar 14, and the one of slide bar 14
End is equipped with pulley 12, and pulley 12 is set on the inclined-plane of block 11, and in order to enhance the friction factor on 11 inclined-plane of block, block 11 can be with
It is made of rubber, or grinding process is carried out to the inclined-plane of block 11,14 other end of slide bar is connect with one end of connecting rod 16, connecting rod
16 other end is rotatably connected with push rod 2；Up Highway UHW 5 and Down Highway 6, the Up Highway UHW 5 and vacuum are equipped on insulation shell 1
The moving contact of extinguisher 4 is electrically connected, and the Down Highway 6 is bolted on the stationary contact on insulation shell and with vacuum extinction device 4
Head electrical connection is additionally provided with sealant in the contact surface of Up Highway UHW 5 and Down Highway 6 and insulation shell 1 for lift-off seal.
During pulley 12 slides, the motion range to pulley is needed to carry out certain limitation, therefore, in cross bar 10
On be additionally provided with L-type baffle 17 and vertical baffle 18, block 11 is set between L-type baffle 17 and vertical baffle 18, L-type baffle 17 with
Vertical baffle 18 is integrally formed with cross bar 10；Guide sleeve 19 is additionally provided in cylinder body 7, guide sleeve 19 and the inner wall of cylinder body 7 are glued,
The main function of guide sleeve is to prevent permanent magnet 8 from deviating from cylinder body 7, while also functioning to certain guiding role to cross bar 10, in cylinder
Dust cover 20, dust cover 20 and 1 snapping of insulation shell are additionally provided with outside body 7, two pumping lines of coil 9 pass through dust cover 20 and connect outside
Controller.
In the present embodiment, Up Highway UHW 5 is flexible coupling by one 51 to be connect with the moving contact of vacuum extinction device 4, Up Highway UHW 5 with it is soft
Connection 51 is bolted on insulation shell 1；One end of push rod 2 is connect with upper platen, and the other end is equipped with guide post 21,
Insulation shell 1 is equipped with the groove 22 to match with guide post 21, and the guide post 21 is set in groove 22.
The working method of the present embodiment: when circuit closes a floodgate, coil 9 is powered, and generates the magnetic opposite with 8 magnetic pole of permanent magnet
, push cross bar 10 mobile, under the action of 11 inclined-plane of block, pulley 12 rolls obliquely, and slide bar 14 is pushed to transport straight up
Dynamic, slide bar 14 pushes push rod 2 to move downward by connecting rod 16 using lever principle, and the spring-compressed in resetting apparatus 3 pushes away simultaneously
The moving contact of dynamic vacuum extinction device 4 moves downward, and completes closing operation, and when circuit separating brake, coil 9 is powered off, field failure,
Under the action of reset spring 32, the moving contact of vacuum extinction device 4 is moved upwards, and completes sub-switching operation.
Beneficial effects of the present invention: by way of vacuum extinction device and insulation shell dual resisteance, low pressure open circuit is avoided
Device operates generated security risk in inflammable and explosive environment.
Several preferred embodiments of the invention have shown and described in above description, but as previously described, it should be understood that the present invention
Be not limited to forms disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations,
Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through within that scope of the inventive concept describe herein
It is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be in this hair
In the protection scope of bright appended claims.
Claims (6)
1. a kind of totally enclosed type low-voltage circuit breaker, including insulation shell (1), the insulation shell (1) is interior to be equipped with push rod (2), resets dress
Set (3) and vacuum extinction device (4), it is characterised in that: be additionally provided in the insulation shell (1) and move up and down for driving push rod (2)
Driving device, the driving device includes cylinder body (7), permanent magnet (8) and coil (9), and the permanent magnet (8) is set to cylinder body
(7) inside, the outer wall of the cylinder body (7) are equipped with the coil (9) for driving permanent magnet (8) mobile, the cylinder body (7) and absolutely
Edge shell (1) is integrally formed, and the driving device is connect by a transmission mechanism with push rod (2), and the transmission mechanism includes cross bar
(10), gag lever post (13) and support rod (15), one end of the cross bar (10) are connect with permanent magnet (8), and the other end is equipped with block
(11), the block (11) is equipped with inclined-plane, and the gag lever post (13) and support rod (15) are set on insulation shell (1), described
Support rod (15) is equipped with connecting rod (16) and is rotatably connected with connecting rod (16), and the gag lever post (13) is equipped with slide bar (14),
One end of the slide bar (14) is equipped with pulley (12), and the pulley (12) is set on the inclined-plane of block (11), the slide bar (14)
The other end is connect with the one end of connecting rod (16), and the other end and the push rod (2) of the connecting rod (16) are rotatably connected, the insulation shell
(1) it is equipped with Up Highway UHW (5) and Down Highway (6), the Up Highway UHW (5) is electrically connected with the moving contact of vacuum extinction device (4), described
Down Highway (6) is electrically connected with the static contact of vacuum extinction device (4).
2. totally enclosed type low-voltage circuit breaker according to claim 1, it is characterised in that: be additionally provided with L on the cross bar (10)
Type baffle (17) and vertical baffle (18), the block (11) are set between L-type baffle (17) and vertical baffle (18), the L
Type baffle (17) and vertical baffle (18) are integrally formed with cross bar (10).
3. according to the described in any item totally enclosed type low-voltage circuit breakers of claim 2, it is characterised in that: in the cylinder body (7) also
Equipped with guide sleeve (19), the inner wall of the guide sleeve (19) and cylinder body (7) is glued, and dust cover is additionally provided with outside the cylinder body (7)
(20), the dust cover (20) and the insulation shell (1) snapping.
4. totally enclosed type low-voltage circuit breaker according to claim 3, it is characterised in that: the resetting apparatus (3) includes pressure
Bar (31), reset spring (32) and fixed pole (33), the fixed pole (33) are set on the inner wall of insulation shell (1), the compression bar
(31) it is made of jackshaft, upper platen and pressing disc, the jackshaft runs through fixed pole (33), and the reset spring (32) is set to fixed
Between bar (33) and upper platen, the pressing disc is connect with the moving contact of vacuum extinction device (4).
5. totally enclosed type low-voltage circuit breaker according to claim 4, it is characterised in that: the Up Highway UHW (5) is soft by one
Connection (51) connect with the moving contact of vacuum extinction device (4), the Up Highway UHW (5) be flexible coupling (51) be bolted on
On insulation shell (1).
6. totally enclosed type low-voltage circuit breaker according to claim 5, it is characterised in that: one end of the push rod (2) with it is upper
Platen connection, the other end are equipped with guide post (21), and the insulation shell (1) is equipped with the groove to match with guide post (21)
(22), the guide post (21) is set in groove (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810118442.4A CN110120322B (en) | 2018-02-06 | 2018-02-06 | Totally enclosed low-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810118442.4A CN110120322B (en) | 2018-02-06 | 2018-02-06 | Totally enclosed low-voltage circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110120322A true CN110120322A (en) | 2019-08-13 |
| CN110120322B CN110120322B (en) | 2021-03-09 |
Family
ID=67519390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810118442.4A Active CN110120322B (en) | 2018-02-06 | 2018-02-06 | Totally enclosed low-voltage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110120322B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111540639A (en) * | 2020-05-14 | 2020-08-14 | 湖南创安防爆电器有限公司 | Vacuum contactor |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6002560A (en) * | 1998-09-02 | 1999-12-14 | Eaton Corporation | Circuit breaker contact wear indicator |
| EP1653492A1 (en) * | 2004-10-26 | 2006-05-03 | EATON Corporation | Adjustment member and method of its use for circuit interrupters |
| CN2870134Y (en) * | 2006-02-10 | 2007-02-14 | 西安铁路科学技术研究发展有限责任公司 | Intelligent phase-selection indoor high-pressure vacuum circuit breaker |
| CN101178989A (en) * | 2006-11-08 | 2008-05-14 | 西安维能电气有限公司 | Longitudinal rotary type function composite type vacuum isolation circuit breakers |
| CN102044376A (en) * | 2011-01-05 | 2011-05-04 | 郑逸扬 | Low-voltage universal vacuum circuit breaker |
| EP2518133A2 (en) * | 2011-04-27 | 2012-10-31 | Hitachi, Ltd. | Grease for electrical contact and slide electricity structure, power switch, vacuum circuit breaker, vacuum-insulated switchgear assembling method |
| WO2014109092A1 (en) * | 2013-01-11 | 2014-07-17 | 三菱電機株式会社 | Manual switching device for electromagnetic operation mechanism |
| CN104952665A (en) * | 2015-05-20 | 2015-09-30 | 保定通力电器设备有限公司 | Radiating outdoor vacuum breaker |
| CN205609430U (en) * | 2016-04-21 | 2016-09-28 | 西安铁路科学技术研究发展有限责任公司 | Ground control auto -passing phase separation system uses vacuum load switch |
| US20180025869A1 (en) * | 2016-03-30 | 2018-01-25 | Eaton Corporation | Vacuum circuit interrupter |
-
2018
- 2018-02-06 CN CN201810118442.4A patent/CN110120322B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6002560A (en) * | 1998-09-02 | 1999-12-14 | Eaton Corporation | Circuit breaker contact wear indicator |
| EP1653492A1 (en) * | 2004-10-26 | 2006-05-03 | EATON Corporation | Adjustment member and method of its use for circuit interrupters |
| CN2870134Y (en) * | 2006-02-10 | 2007-02-14 | 西安铁路科学技术研究发展有限责任公司 | Intelligent phase-selection indoor high-pressure vacuum circuit breaker |
| CN101178989A (en) * | 2006-11-08 | 2008-05-14 | 西安维能电气有限公司 | Longitudinal rotary type function composite type vacuum isolation circuit breakers |
| CN102044376A (en) * | 2011-01-05 | 2011-05-04 | 郑逸扬 | Low-voltage universal vacuum circuit breaker |
| EP2518133A2 (en) * | 2011-04-27 | 2012-10-31 | Hitachi, Ltd. | Grease for electrical contact and slide electricity structure, power switch, vacuum circuit breaker, vacuum-insulated switchgear assembling method |
| WO2014109092A1 (en) * | 2013-01-11 | 2014-07-17 | 三菱電機株式会社 | Manual switching device for electromagnetic operation mechanism |
| CN104952665A (en) * | 2015-05-20 | 2015-09-30 | 保定通力电器设备有限公司 | Radiating outdoor vacuum breaker |
| US20180025869A1 (en) * | 2016-03-30 | 2018-01-25 | Eaton Corporation | Vacuum circuit interrupter |
| CN205609430U (en) * | 2016-04-21 | 2016-09-28 | 西安铁路科学技术研究发展有限责任公司 | Ground control auto -passing phase separation system uses vacuum load switch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111540639A (en) * | 2020-05-14 | 2020-08-14 | 湖南创安防爆电器有限公司 | Vacuum contactor |
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| Publication number | Publication date |
|---|---|
| CN110120322B (en) | 2021-03-09 |
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