CN105470063B - A kind of control and protective switch - Google Patents
A kind of control and protective switch Download PDFInfo
- Publication number
- CN105470063B CN105470063B CN201511035581.3A CN201511035581A CN105470063B CN 105470063 B CN105470063 B CN 105470063B CN 201511035581 A CN201511035581 A CN 201511035581A CN 105470063 B CN105470063 B CN 105470063B
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- CN
- China
- Prior art keywords
- connecting rod
- operating mechanism
- moving contact
- bar
- crosshead
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- H01H71/1009—Interconnected mechanisms
-
- 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
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The present invention relates to a kind of control and protective switch, including operating mechanism, breaker, electrical apparatus release, the rotating shaft of operating mechanism is set on crosshead, knob is connected to rotating shaft one end, the rotating shaft other end is connected with retainer, retainer is connected by quadric chain with contact bar, turn bar is hinged on crosshead, turn bar passes through tripping, buckle is connected with quadric chain, linkage board is connected with turn bar, the moving contact frame upper end of breaker forms connected unit to lateral projections, connected unit is connected with contact bar, electromagnetic system includes coil and the iron core being set in coil, iron core upper end is provided with linkage piece, linkage piece is connected with gangbar, iron core lower end is withstood on above moving contact frame, electrical apparatus release is connected with turn bar dropout striking face.Feding back through after operating mechanism for electrical apparatus release and electromagnetic system is connected by the present invention with breaker, realizes the quick disjunction of breaker.
Description
Technical field
The present invention relates to a kind of control and protective switch.
Background technology
Control and protective switch product uses modular single product structural shape, is integrated with traditional breaker (molten
Disconnected device), contactor, the major function of overload (or excessively stream, disconnected phase) protective relay, starter, isolator etc., be mainly used in handing over
Flow 50Hz (60Hz), rated voltage to 690V, the electricity that rated current is from 0.8A to 630A, adjustable working electric current is from 0.8A to 630A
Circuit in Force system under connection, carrying and disjunction normal condition (including defined overload condition), and can connect, carry simultaneously
Circuit under non-normal condition as defined in disjunction (such as short circuit), is the low tensions such as breaker, contactor, electrothermal relay, fuse
The optimal substitute products of device.
The operating mechanism of existing control and protective switch is not connected with the electromagnetic system on breaker, and on breaker
Electromagnetic system can not make the quick disjunction of breaker, the breaking arc of breaker is big, it is difficult to dissipate, the stabilization of influence sound contact
Property, reduce the service life of control and protective switch.
The content of the invention
For these reasons, circuit breaker electric magnetic system can be received in time it is an object of the invention to provide a kind of operating mechanism
Signal, realizes the control and protective switch of quick disjunction.
To achieve the above object, the present invention uses a kind of control and protective switch, including operating mechanism, breaker, dropout
Device, electrical apparatus release is connected with operating mechanism, and operating mechanism is connected with breaker, and the operating mechanism includes crosshead, knob, turned
Axle, retainer, quadric chain, contact bar, buckle, tripping, turn bar, linkage board, rotating shaft are set on crosshead, and knob connects
Rotating shaft one end is connected on, the rotating shaft other end is connected with retainer, and retainer is connected by quadric chain with contact bar,
Turn bar is hinged on crosshead, and dropout striking face and tripping connecting rod are formed on turn bar, and tripping connecting rod is overlapped with tripping, buckle
Withstand in tripping, buckle is connected with quadric chain, linkage board is hinged on crosshead, linkage board is connected with turn bar,
Breaker includes case for circuit breaker, moving contact frame, moving contact, static contact, electromagnetic system, arc-extinguish chamber, and two static contacts are arranged on
Both sides in case for circuit breaker, moving contact frame slides up and down between being arranged on two static contacts, is provided with below moving contact frame dynamic
Touch spring, the center of moving contact is connected in moving contact frame, moving contact connection is arranged on the downside of two static contacts, and arc-extinguish chamber is set
Put on the outside of the junction of moving contact and static contact, electromagnetic system is arranged on the top of moving contact frame, moving contact frame upper end is to side
Face convexes to form connected unit, and connected unit is connected with contact bar, and electromagnetic system includes coil and the iron core being set in coil,
Iron core upper end is provided with linkage piece, and linkage piece is connected with linkage board, and iron core lower end is withstood on above moving contact frame, electrical apparatus release with
Turn bar dropout striking face is connected.
The present invention, which is further arranged to the quadric chain, includes first connecting rod, second connecting rod, third connecting rod, U-shaped company
Bar, first connecting rod one end is connected with retainer, and the other end is connected by spring with the connection end of second connecting rod and third connecting rod, the
The other end of two connecting rods and the middle part kink of U type connecting rod are connected, and the other end of third connecting rod is connected with contact bar, U type connecting rod
One end is connected on crosshead, and the other end is with snapping connection.
The present invention, which is further arranged to the arc-extinguish chamber, includes multi-disc arc extinguishing grid pieces and arc extinguishing side plate, and arc extinguishing grid pieces are obliquely
It is arranged between arc extinguishing side plate, arc extinguishing grid pieces form nock groove towards dynamic and static contact side, nock trench bottom formation one lacks
Mouthful, the breach of multi-disc arc extinguishing grid pieces is staggered.
The present invention is further arranged to the linkage piece and is retreaded and be bent downwardly from iron core upper end to side extension, the linkage
Plate is hinged on crosshead obliquely, and upper end and the turn bar of linkage board are connected, and the top of linkage piece withstands on connection obliquely
On the lower end inclined-plane of dynamic plate.
The present invention is further arranged to the rotating shaft upper end and forms the linkage block that a lower surface is inclined-plane, linkage block lower end
Crosshead on be hinged with knob connecting rod, knob connecting rod one end is withstood on the inclined-plane under linkage block, and the other end is connected with tripping.
The present invention, which is further arranged to the operating mechanism, includes one end company of testing button, testing button and U type connecting rod
Connect.
The present invention, which is further arranged to the operating mechanism, includes operating mechanism shell, and operating mechanism shell side forms and opened
Mouthful, operating mechanism casing cover is outside crosshead, and turn bar, linkage board and contact bar are towards opening side, and knob is arranged on operation
Instrument connection is formed on mechanism shell upper end, operating mechanism shell, testing button is arranged in instrument connection.
The present invention is further arranged to the tripping connecting rod and set with the split of turn bar, and tripping connecting rod center is hinged on operation
On frame, tripping connecting rod one end is connected with turn bar, and the other end is overlapped in tripping.
The present invention is further arranged to form the iron core short-bore being adapted to iron core above the moving contact frame.
Pass through contact bar and the moving contact of breaker the beneficial effects of the invention are as follows the operating mechanism of control and protective switch
Frame is connected, and controls the opening and closing of breaker；Operating mechanism is connected using turn bar with electrical apparatus release, and linkage board is connected with turn bar,
The electromagnetic system connection of linkage board and breaker, turn bar controls contact bar to act by quadric chain, by electrical apparatus release and electricity
Feding back through after operating mechanism for magnetic system is connected with breaker, realizes the quick disjunction of breaker, improves point of breaker
Disconnected speed, reduces the electric arc produced during disjunction, and the arc quenching effect for making breaker more preferably, extends making for control and protective switch
Use the life-span.
Brief description of the drawings
Fig. 1 is the schematic diagram of the specific embodiment of the invention.
Fig. 2 is the upward view of the specific embodiment of the invention.
Fig. 3 is Fig. 2 A portions sectional view.
Fig. 4 is Fig. 2 B portions sectional view.
Fig. 5 is the schematic diagram of operating mechanism in the specific embodiment of the invention.
Fig. 6 is the front view of operating mechanism in the specific embodiment of the invention.
Fig. 7 is that operating mechanism removes the schematic diagram after shell in the specific embodiment of the invention.
Fig. 8 is that operating mechanism removes the rearview after shell in the specific embodiment of the invention.
Fig. 9 is that operating mechanism removes the schematic diagram after shell in the specific embodiment of the invention.
Figure 10 is that breaker removes the schematic diagram after the case for circuit breaker of side in the specific embodiment of the invention.
Figure 11 is that breaker removes the front view after the case for circuit breaker of side in the specific embodiment of the invention.
Figure 12 is the schematic diagram of arc-extinguish chamber in the specific embodiment of the invention.
Embodiment
As shown in Fig. 1-Figure 12, specific embodiment of the invention is a kind of control and protective switch, including base 5, Gai
Housing 4, the operating mechanism 1 being arranged in housing 4, electrical apparatus release 3 on base 5 and three groups of breakers 2 in base,
Electrical apparatus release 3 is connected with operating mechanism 1, and operating mechanism 1 is connected with three groups of breakers 2, and operating mechanism 1 includes operating mechanism shell
14th, crosshead 12, knob 131, rotating shaft 13, retainer 132, quadric chain 11, contact bar 15, buckle 16, tripping 17, turn
Bar 18, linkage board 19, testing button 141, rotating shaft 13 are set on crosshead 12, and knob 131 is connected to the one end of rotating shaft 13, rotating shaft
The correspondence formation retainer of shaft gear 133 gear 134 on 13 other ends formation shaft gear 133, retainer 132, rotating shaft 13 is led to
Cross shaft gear 133 to be connected with retainer 132 with the intermeshing realization of retainer gear 134, contact bar 15 is hinged on behaviour
Make on frame 12, retainer 132 is connected by quadric chain 11 with contact bar 15, turn bar 18 is hinged on crosshead 12
On, dropout striking face 181 and tripping connecting rod 182 are formed on turn bar 18, tripping connecting rod 182 is set with the split of turn bar 18, is jumped
Button connecting rod 182 center is hinged on crosshead 12, and the one end of tripping connecting rod 182 is connected with turn bar 18, and the other end is overlapped on tripping
On 17, buckle 16 withstands on the lower section of tripping 17, and the upper end of rotating shaft 13 forms the linkage block 135 that a lower surface is inclined-plane, linkage block 135
Knob connecting rod 136 is hinged with the crosshead 12 of lower end, the one end of knob connecting rod 136 is withstood on the inclined-plane under linkage block 135, knob
The other end of connecting rod 136 is connected with tripping 17, and linkage board 19 is hinged on crosshead 12 obliquely, the upper end of linkage board 19 and turn
Bar 18 is connected, and quadric chain 11 includes first connecting rod 111, second connecting rod 112, third connecting rod 113, U type connecting rod 114,
The one end of first connecting rod 111 is connected on retainer 132, the other end pass through spring and second connecting rod 112 and third connecting rod 113 one
End connection, the other end of second connecting rod 112 is connected with the middle part kink 1141 of U type connecting rod 114, third connecting rod 113 it is another
End is connected with contact bar 15, and the one end of U type connecting rod 114 is hinged on crosshead 12, and testing button 141 withstands on this of U type connecting rod 114
The top of one end, the other end of U type connecting rod 114 is connected with buckle 16, and the side of operating mechanism shell 14 forms opening, operating mechanism
Shell 14 is covered outside crosshead 12, and turn bar 18, linkage board 19 and contact bar 15 are arranged on behaviour towards opening side, knob 131
Make to form instrument connection on the upper end of mechanism shell 14, operating mechanism shell 14, testing button 141 is arranged in instrument connection.Breaker 2
Including case for circuit breaker 26, moving contact frame 21, moving contact 22, static contact 23, electromagnetic system 24, arc-extinguish chamber 25, two static contacts
23 are arranged on the both sides in case for circuit breaker 26, and moving contact frame 21 is arranged between two static contacts 23, the both sides of moving contact frame 21
The guide rail of correspondence gib block 211 formation adaptation on gib block 211, the case for circuit breaker 26 of the both sides of moving contact frame 21 is formed, moves and touches
Head frame 21 is slid up and down by the cooperation of gib block 211 and guide rail in case for circuit breaker 26, and the lower section of moving contact frame 21 is provided with
Moving contact spring 27, the center of moving contact 22 is connected in moving contact frame 21, the connection of moving contact 22 is arranged on two static contacts 23
Downside, arc-extinguish chamber 25 is arranged on moving contact 22 and on the outside of the junction of static contact 23, arc-extinguish chamber 25 includes multi-disc arc extinguishing grid pieces 251
With arc extinguishing side plate 252, arc extinguishing grid pieces 251 are arranged between arc extinguishing side plate 252 obliquely, and arc extinguishing grid pieces 251 are towards dynamic and static contact
(22,23) side forms nock groove 253, and a breach 254, the breach of multi-disc arc extinguishing grid pieces 251 are formed on the bottom of nock groove 253
254 are staggered, and electromagnetic system 24 is arranged on the top of moving contact frame 21, the upper end both sides of moving contact frame 21 company of convexing to form respectively
Platform 212 is connect, connected unit 212 and the contact bar 15 of side are connected, electromagnetic system 24 includes coil 241 and is set in coil
Iron core 242 in 241, one end of coil 241 of electromagnetic system 24 is connected with static contact 23, and the upper end of iron core 242 is provided with linkage piece
243, linkage piece 243 is retreaded from the upper end of iron core 242 to side extension to be bent downwardly, and the top of linkage piece 243 withstands on connection obliquely
On the lower end inclined-plane of dynamic plate 19, the top of moving contact frame 21 forms the iron core short-bore 213 being adapted to iron core 242, the lower end of iron core 242 top
In the iron core short-bore 213 of moving contact frame 21, electrical apparatus release 3 is arranged on the dropout striking face of the top of breaker 2 correspondence turn bar 18
181 sides, the dropout iron core 31 of electrical apparatus release 3 is withstood on dropout striking face 181.
The invention is not limited in above-mentioned specific embodiment, other meet the deformation of claim in the protection of the present invention
In the range of.
Claims (10)
1. a kind of control and protective switch, including operating mechanism, breaker, electrical apparatus release, electrical apparatus release are connected with operating mechanism, operation
Mechanism is connected with breaker, it is characterised in that：The operating mechanism includes crosshead, knob, rotating shaft, retainer, double leval jib machine
Structure, contact bar, buckle, tripping, turn bar, linkage board, rotating shaft are set on crosshead, and knob is connected to rotating shaft one end, rotating shaft
The other end is connected with retainer, and retainer is connected by quadric chain with contact bar, and turn bar is hinged on operation
On frame, dropout striking face and tripping connecting rod are formed on turn bar, tripping connecting rod is overlapped with tripping, and buckle is withstood in tripping, buckle
It is connected with quadric chain, linkage board is hinged on crosshead, linkage board is connected with turn bar, breaker includes breaker
Shell, moving contact frame, moving contact, static contact, electromagnetic system, arc-extinguish chamber, two static contacts are arranged on two in case for circuit breaker
Side, moving contact frame is slid up and down between being arranged on two static contacts, and moving contact spring is provided with below moving contact frame, moving contact
Center is connected in moving contact frame, moving contact connection is arranged on the downside of two static contacts, and arc-extinguish chamber is arranged on moving contact and stationary contact
On the outside of the junction of head, electromagnetic system is arranged on the top of moving contact frame, and moving contact frame upper end forms connected unit to lateral projections,
Connected unit is connected with contact bar, and electromagnetic system includes coil and the iron core being set in coil, and iron core upper end is provided with connection
Moving plate, linkage piece is connected with linkage board, and iron core lower end is withstood on above moving contact frame, electrical apparatus release and turn bar dropout striking face
Connection.
2. control and protective switch according to claim 1, it is characterised in that：The quadric chain includes first and connected
Bar, second connecting rod, third connecting rod, U type connecting rod, first connecting rod one end are connected with retainer, and the other end is connected by spring and second
The connection end connection of bar and third connecting rod, the other end of second connecting rod and the middle part kink of U type connecting rod are connected, third connecting rod
The other end is connected with contact bar, and U type connecting rod one end is connected on crosshead, and the other end is with snapping connection.
3. control and protective switch according to claim 1 or 2, it is characterised in that：The arc-extinguish chamber includes multi-disc arc extinguishing
Grid and arc extinguishing side plate, arc extinguishing grid pieces are arranged between arc extinguishing side plate obliquely, and arc extinguishing grid pieces are formed towards dynamic and static contact side
Nock groove, nock trench bottom one breach of formation, the breach of multi-disc arc extinguishing grid pieces is staggered.
4. control and protective switch according to claim 1 or 2, it is characterised in that：The linkage piece from iron core upper end to
Side extension, which is retreaded, to be bent downwardly, and the linkage board is hinged on crosshead obliquely, and upper end and the turn bar of linkage board link
Connection, the top of linkage piece is withstood on the lower end inclined-plane of linkage board obliquely.
5. control and protective switch according to claim 1 or 2, it is characterised in that：The rotating shaft upper end is formed under one
End face is to be hinged with knob connecting rod on the linkage block on inclined-plane, the crosshead of linkage block lower end, and knob connecting rod one end withstands on linkage block
Under inclined-plane on, the other end is connected with tripping.
6. control and protective switch according to claim 1 or 2, it is characterised in that：The operating mechanism is pressed including test
One end connection of button, testing button and U type connecting rod.
7. control and protective switch according to claim 1 or 2, it is characterised in that：The operating mechanism includes operation machine
Structure shell, operating mechanism shell side forms opening, and operating mechanism casing cover is outside crosshead, turn bar, linkage board and contact
Frame is towards opening side, and knob is arranged on operating mechanism shell upper end.
8. control and protective switch according to claim 6, it is characterised in that：The operating mechanism is included outside operating mechanism
Shell, operating mechanism shell side forms opening, and operating mechanism casing cover is outside crosshead, turn bar, linkage board and contact bar court
To opening side, knob is arranged on shell upper end, operating mechanism shell and forms instrument connection, and testing button is arranged on instrument connection
It is interior.
9. control and protective switch according to claim 1 or 2, it is characterised in that：The tripping connecting rod and turn bar point
Body is set, and tripping connecting rod center is hinged on crosshead, and tripping connecting rod one end is connected with turn bar, and the other end is overlapped on tripping
On.
10. control and protective switch according to claim 1 or 2, it is characterised in that：Formed above the moving contact frame with
The iron core short-bore of iron core adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511035581.3A CN105470063B (en) | 2015-12-30 | 2015-12-30 | A kind of control and protective switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511035581.3A CN105470063B (en) | 2015-12-30 | 2015-12-30 | A kind of control and protective switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105470063A CN105470063A (en) | 2016-04-06 |
| CN105470063B true CN105470063B (en) | 2017-10-20 |
Family
ID=55607655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511035581.3A Active CN105470063B (en) | 2015-12-30 | 2015-12-30 | A kind of control and protective switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105470063B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113903626B (en) * | 2021-09-30 | 2023-10-24 | 林华 | Pressure switch with comprehensive protection function for electric motor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2812810B2 (en) * | 1990-02-14 | 1998-10-22 | 三菱電機株式会社 | Switch |
| CN201708098U (en) * | 2009-11-24 | 2011-01-12 | 浙江中凯科技股份有限公司 | Modularized multi-functional apparatus |
| CN103177905B (en) * | 2011-12-26 | 2015-04-29 | 上海电科电器科技有限公司 | Control and protection device of low-voltage apparatus |
| CN104835700B (en) * | 2015-05-15 | 2017-12-08 | 浙江共进电器科技有限公司 | Control and protective switch |
| CN205282417U (en) * | 2015-12-30 | 2016-06-01 | 雷顿电气科技有限公司 | Control and protection switch |
-
2015
- 2015-12-30 CN CN201511035581.3A patent/CN105470063B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105470063A (en) | 2016-04-06 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 325600 no.328, wei19 Road, Yueqing Economic Development Zone, Yueqing City, Zhejiang Province Patentee after: Thunder pauses electric Science and Technology Ltd. Address before: 325604 No. 175 Station Road, Liushi Town, Zhejiang, Yueqing Patentee before: Thunder pauses electric Science and Technology Ltd. |