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CN105470063A - Control and protection switch - Google Patents

Control and protection switch Download PDF

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Publication number
CN105470063A
CN105470063A CN201511035581.3A CN201511035581A CN105470063A CN 105470063 A CN105470063 A CN 105470063A CN 201511035581 A CN201511035581 A CN 201511035581A CN 105470063 A CN105470063 A CN 105470063A
Authority
CN
China
Prior art keywords
connecting rod
operating mechanism
moving contact
crosshead
tripping
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
Application number
CN201511035581.3A
Other languages
Chinese (zh)
Other versions
CN105470063B (en
Inventor
张彭春
万正荣
余光键
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thunder Pauses Electric Science And Technology Ltd
Original Assignee
Thunder Pauses Electric Science And Technology Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thunder Pauses Electric Science And Technology Ltd filed Critical Thunder Pauses Electric Science And Technology Ltd
Priority to CN201511035581.3A priority Critical patent/CN105470063B/en
Publication of CN105470063A publication Critical patent/CN105470063A/en
Application granted granted Critical
Publication of CN105470063B publication Critical patent/CN105470063B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/1009Interconnected mechanisms
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/12Automatic release mechanisms with or without manual release
    • H01H71/24Electromagnetic mechanisms

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Abstract

The invention relates to a control and protection switch, which comprises an operating mechanism, breakers and a tripper, wherein a rotating shaft of the operating mechanism is arranged on an operation frame in a penetrating manner; a knob is connected to one end of the rotating shaft; the other end of the rotating shaft is linked with a transmission seat; the transmission seat is linked with a contact frame through a four-link mechanism; a swirling rod is hinged with the operation frame and is connected with the four-link mechanism through a jump pin and a buckle; a linkage plate is linked with the swirling rod; the upper end of a moving contact frame of each breaker protrudes towards the side surface to form a connecting table; each connecting table is linked with the contact frame; an electromagnetic system comprises a coil and an iron core; the iron core is arranged in the coil in the penetrating manner; a linkage sheet is arranged at the upper end of the iron core and is linked with a linkage rod; the lower end of the iron core is propped against the upper part of each moving contact frame; and the tripper is connected with a tripping impact surface of the swirling rod. According to the control and protection switch, feedback of the tripper and the electromagnetic system is connected with the breakers after passing through the operating mechanism, so that quick breaking of the breakers is achieved.

Description

A kind of control and protective switch
Technical field
The present invention relates to a kind of control and protective switch.
Background technology
Control and protective switch product adopts modular single product structural shape, be integrated with traditional circuit breaker (fuse), contactor, overload (or overcurrent, disconnected phase) protection relay, starter, the major function of isolator etc., be mainly used in exchanging 50Hz (60Hz), rated voltage is to 690V, rated current is from 0.8A to 630A, adjustable working electric current is connected in the electric power system of 0.8A to 630A, carrying and disjunction normal condition (comprising the overload condition of regulation) under circuit, and can connect, carrying circuit under the non-normal condition (as short circuit) that specifies of disjunction, it is circuit breaker, contactor, thermal relay, the best substitute products of the low-voltage electrical apparatuses such as fuse.
The operating mechanism of existing control and protective switch is not connected with the electromagnetic system on circuit breaker; and the electromagnetic system on circuit breaker can not make the quick disjunction of circuit breaker; the breaking arc of circuit breaker is large; be difficult to dissipate; affect the stability of sound contact, reduce the useful life of control and protective switch.
Summary of the invention
For above-mentioned reasons, the object of the present invention is to provide a kind of operating mechanism can receive circuit breaker electric magnetic system signal in time, realize the control and protective switch of quick disjunction.
For achieving the above object, the present invention adopts a kind of control and protective switch, comprises operating mechanism, circuit breaker, release, release is connected with operating mechanism, and operating mechanism is connected with circuit breaker, and described operating mechanism comprises crosshead, knob, rotating shaft, retainer, quadric chain, contact bar, buckle, tripping, turn bar, gangbar, rotating shaft is set on crosshead, and knob is connected to rotating shaft one end, the rotating shaft other end and retainer are connected, retainer is connected by quadric chain and contact bar, and turn bar is hinged on crosshead, turn bar is formed dropout striking face and tripping connecting rod, tripping connecting rod and tripping overlap, buckle withstands in tripping, and buckle is connected with quadric chain, and linkage board is hinged on crosshead, linkage board and turn bar are connected, and circuit breaker comprises case for circuit breaker, moving contact frame, moving contact, fixed contact, electromagnetic system, arc-extinguish chamber, two fixed contacts are arranged on the both sides in case for circuit breaker, and moving contact frame is arranged on upper and lower slippage between two fixed contacts, and be provided with moving contact spring below moving contact frame, the center of moving contact is connected in moving contact frame, moving contact connection is arranged on the downside of two fixed contacts, arc-extinguish chamber is arranged on outside the junction of moving contact and fixed contact, electromagnetic system is arranged on the top of moving contact frame, moving contact frame upper end forms connected unit to lateral projections, and connected unit and contact bar are connected, and electromagnetic system comprises coil and places iron core in coil, iron core upper end is provided with linkage piece, linkage piece and gangbar are connected, and iron core lower end withstands on above moving contact frame, and release is connected with turn bar dropout striking face.
The present invention is set to described quadric chain further and comprises first connecting rod, second connecting rod, third connecting rod, U-shaped connecting rod, first connecting rod one end is connected with retainer, the other end is connected by the link of spring with second connecting rod and third connecting rod, the other end of second connecting rod is connected with the middle part kink of U-shaped connecting rod, the other end of third connecting rod is connected with contact bar, U-shaped connecting rod one end is connected on crosshead, and the other end is connected with buckle.
The present invention is set to described arc-extinguish chamber further and comprises multi-disc arc extinguishing grid pieces and arc extinguishing side plate, arc extinguishing grid pieces is arranged between arc extinguishing side plate obliquely, arc extinguishing grid pieces forms nock groove towards dynamic and static contact side, and nock trench bottom forms a breach, and the breach of multi-disc arc extinguishing grid pieces is crisscross arranged.
The present invention is set to described linkage piece further and is extended to side by iron core upper end and retread and be bent downwardly, described linkage board is hinged on crosshead obliquely, upper end and the turn bar of linkage board are connected, and the top of linkage piece withstands on the inclined-plane, lower end of linkage board obliquely.
The present invention is set to described rotating shaft upper end further, and to form a lower surface be the linkage block on inclined-plane, and the crosshead of linkage block lower end is hinged with knob connecting rod, knob connecting rod one end withstands on the inclined-plane under linkage block, and the other end is connected with tripping.
The present invention is set to described operating mechanism further and comprises testing button, and testing button is connected with one end of U-shaped connecting rod.
The present invention is set to described operating mechanism further and comprises operating mechanism shell, operating mechanism shell side forms opening, operating mechanism casing cover is outside crosshead, turn bar, linkage board and contact bar are towards opening side, knob is arranged on operating mechanism shell upper end, operating mechanism shell forms instrument connection, and testing button is arranged in instrument connection.
The present invention is set to described tripping connecting rod further and the split of turn bar is arranged, and tripping connecting rod center hinge is connected on crosshead, and tripping connecting rod one end is connected with turn bar, and the other end is overlapped in tripping.
The present invention is set to be formed above described moving contact frame the iron core short-bore with iron core adaptation further.
The invention has the beneficial effects as follows that the operating mechanism of control and protective switch is connected with the moving contact frame of circuit breaker by contact bar, control the opening and closing of circuit breaker; Operating mechanism adopts turn bar to be connected with release; turn bar is connected with linkage board; linkage board is connected with the electromagnetic system of circuit breaker; turn bar controls contact bar action by quadric chain, by release and electromagnetic system fed back through operating mechanism after be connected with circuit breaker, realize the quick disjunction of circuit breaker; improve the breaking speed of circuit breaker; the electric arc produced when reducing disjunction, makes the arc quenching effect of circuit breaker better, extends the useful life of control and protective switch.
Accompanying drawing explanation
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 the A portion cutaway view of Fig. 2.
Fig. 4 is the B portion cutaway view of Fig. 2.
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 in the specific embodiment of the invention, operating mechanism removes the schematic diagram after shell.
Fig. 8 is that in the specific embodiment of the invention, operating mechanism removes the rearview after shell.
Fig. 9 is that in the specific embodiment of the invention, operating mechanism removes the schematic diagram after shell.
Figure 10 is that in the specific embodiment of the invention, circuit breaker removes the schematic diagram after the case for circuit breaker of side.
Figure 11 is that in the specific embodiment of the invention, circuit breaker removes the front view after the case for circuit breaker of side.
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 embodiments of the invention are a kind of control and protective switchs, comprise base 5, cover the housing 4 on base 5, be arranged on the operating mechanism 1 in housing 4, release 3 and the three groups of circuit breakers 2 be arranged in base, release 3 is connected with operating mechanism 1, operating mechanism 1 is connected with three groups of circuit breakers 2, operating mechanism 1 comprises operating mechanism shell 14, 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 is set on crosshead 12, knob 131 is connected to rotating shaft 13 one end, rotating shaft 13 other end forms shaft gear 133, on retainer 132, corresponding shaft gear 133 forms retainer gear 134, rotating shaft 13 is engaged each other by shaft gear 133 and retainer gear 134 and realizes being connected with retainer 132, contact bar 15 is hinged on crosshead 12, retainer 132 is connected by quadric chain 11 and contact bar 15, turn bar 18 is hinged on crosshead 12, turn bar 18 is formed dropout striking face 181 and tripping connecting rod 182, tripping connecting rod 182 and turn bar 18 split are arranged, tripping connecting rod 182 center hinge is connected on crosshead 12, tripping connecting rod 182 one end is connected with turn bar 18, the other end is overlapped in tripping 17, buckle 16 withstands on below tripping 17, rotating shaft 13 upper end forms the linkage block 135 that a lower surface is inclined-plane, the crosshead 12 of linkage block 135 lower end is hinged with knob connecting rod 136, knob connecting rod 136 one end withstands on the inclined-plane under linkage block 135, knob connecting rod 136 other end is connected with tripping 17, linkage board 19 is hinged on crosshead 12 obliquely, upper end and the turn bar 18 of linkage board 19 are connected, quadric chain 11 comprises first connecting rod 111, second connecting rod 112, third connecting rod 113, U-shaped connecting rod 114, first connecting rod 111 one end is connected on retainer 132, the other end is connected by spring one end with second connecting rod 112 and third connecting rod 113, the other end of second connecting rod 112 is connected with the middle part kink 1141 of U-shaped connecting rod 114, the other end of third connecting rod 113 is connected with contact bar 15, U-shaped connecting rod 114 one end is hinged on crosshead 12, testing button 141 withstands on the top of this one end of U-shaped connecting rod 114, the other end of U-shaped connecting rod 114 is connected with buckle 16, operating mechanism shell 14 side forms opening, operating mechanism shell 14 covers outside crosshead 12, turn bar 18, linkage board 19 and contact bar 15 are towards opening side, knob 131 is arranged on operating mechanism shell 14 upper end, operating mechanism shell 14 forms instrument connection, testing button 141 is arranged in instrument connection.Circuit breaker 2 comprises case for circuit breaker 26, moving contact frame 21, moving contact 22, fixed contact 23, electromagnetic system 24, arc-extinguish chamber 25, two fixed contacts 23 are arranged on the both sides in case for circuit breaker 26, moving contact frame 21 is arranged between two fixed contacts 23, moving contact frame 21 both sides form gib block 211, on the case for circuit breaker 26 of moving contact frame 21 both sides, corresponding gib block 211 forms adaptive guide rail, moving contact frame 21 is engaged in slippage up and down in case for circuit breaker 26 by gib block 211 and guide rail, moving contact spring 27 is provided with below moving contact frame 21, the center of moving contact 22 is connected in moving contact frame 21, moving contact 22 connection is arranged on the downside of two fixed contacts 23, arc-extinguish chamber 25 is arranged on outside the junction of moving contact 22 and fixed contact 23, arc-extinguish chamber 25 comprises multi-disc arc extinguishing grid pieces 251 and arc extinguishing side plate 252, arc extinguishing grid pieces 251 is arranged between arc extinguishing side plate 252 obliquely, arc extinguishing grid pieces 251 is towards dynamic, fixed contact (22, 23) side forms nock groove 253, a breach 254 is formed bottom nock groove 253, the breach 254 of multi-disc arc extinguishing grid pieces 251 is crisscross arranged, electromagnetic system 24 is arranged on the top of moving contact frame 21, both sides, moving contact frame 21 upper end convex to form connected unit 212 respectively, connected unit 212 and the contact bar 15 of side are connected, the iron core 242 that electromagnetic system 24 comprises coil 241 and is set in coil 241, coil 241 one end of electromagnetic system 24 is connected with fixed contact 23, iron core 242 upper end is provided with linkage piece 243, linkage piece 243 to be extended to side by iron core 242 upper end retreads and is bent downwardly, the top of linkage piece 243 withstands on the inclined-plane, lower end of linkage board 19 obliquely, the iron core short-bore 213 with iron core 242 adaptation is formed above moving contact frame 21, iron core 242 lower end withstands in the iron core short-bore 213 of moving contact frame 21, release 3 is arranged on dropout striking face 181 side of corresponding turn bar 18 above circuit breaker 2, the dropout iron core 31 of release 3 withstands on dropout striking face 181.
The present invention is not limited to above-mentioned specific embodiment, and other distortion meeting claim are all in protection scope of the present invention.

Claims (10)

1. a control and protective switch, comprises operating mechanism, circuit breaker, release, release is connected with operating mechanism, and operating mechanism is connected with circuit breaker, it is characterized in that: described operating mechanism comprises crosshead, knob, rotating shaft, retainer, quadric chain, contact bar, buckle, tripping, turn bar, gangbar, rotating shaft is set on crosshead, and knob is connected to rotating shaft one end, the rotating shaft other end and retainer are connected, retainer is connected by quadric chain and contact bar, and turn bar is hinged on crosshead, turn bar is formed dropout striking face and tripping connecting rod, tripping connecting rod and tripping overlap, buckle withstands in tripping, and buckle is connected with quadric chain, and linkage board is hinged on crosshead, linkage board and turn bar are connected, and circuit breaker comprises case for circuit breaker, moving contact frame, moving contact, fixed contact, electromagnetic system, arc-extinguish chamber, two fixed contacts are arranged on the both sides in case for circuit breaker, and moving contact frame is arranged on upper and lower slippage between two fixed contacts, and be provided with moving contact spring below moving contact frame, the center of moving contact is connected in moving contact frame, moving contact connection is arranged on the downside of two fixed contacts, arc-extinguish chamber is arranged on outside the junction of moving contact and fixed contact, electromagnetic system is arranged on the top of moving contact frame, moving contact frame upper end forms connected unit to lateral projections, and connected unit and contact bar are connected, and electromagnetic system comprises coil and places iron core in coil, iron core upper end is provided with linkage piece, linkage piece and gangbar are connected, and iron core lower end withstands on above moving contact frame, and release is connected with turn bar dropout striking face.
2. control and protective switch according to claim 1; it is characterized in that: described quadric chain comprises first connecting rod, second connecting rod, third connecting rod, U-shaped connecting rod; first connecting rod one end is connected with retainer; the other end is connected by the link of spring with second connecting rod and third connecting rod; the other end of second connecting rod is connected with the middle part kink of U-shaped connecting rod; the other end of third connecting rod is connected with contact bar, and U-shaped connecting rod one end is connected on crosshead, and the other end is connected with buckle.
3. control and protective switch according to claim 1 and 2; it is characterized in that: described arc-extinguish chamber comprises multi-disc arc extinguishing grid pieces and arc extinguishing side plate; arc extinguishing grid pieces is arranged between arc extinguishing side plate obliquely; arc extinguishing grid pieces forms nock groove towards dynamic and static contact side; nock trench bottom forms a breach, and the breach of multi-disc arc extinguishing grid pieces is crisscross arranged.
4. control and protective switch according to claim 1 and 2; it is characterized in that: described linkage piece to be extended to side by iron core upper end retreads and be bent downwardly; described linkage board is hinged on crosshead obliquely; upper end and the turn bar of linkage board are connected, and the top of linkage piece withstands on the inclined-plane, lower end of linkage board obliquely.
5. control and protective switch according to claim 1 and 2; it is characterized in that: it is the linkage block on inclined-plane that described rotating shaft upper end forms a lower surface; the crosshead of linkage block lower end is hinged with knob connecting rod, knob connecting rod one end withstands on the inclined-plane under linkage block, and the other end is connected with tripping.
6. control and protective switch according to claim 1 and 2, is characterized in that: described operating mechanism comprises testing button, and testing button is connected with one end of U-shaped connecting rod.
7. control and protective switch according to claim 1 and 2; it is characterized in that: described operating mechanism comprises operating mechanism shell; operating mechanism shell side forms opening; operating mechanism casing cover is outside crosshead; turn bar, linkage board and contact bar are towards opening side, and knob is arranged on operating mechanism shell upper end.
8. control and protective switch according to claim 6; it is characterized in that: described operating mechanism comprises operating mechanism shell; operating mechanism shell side forms opening; operating mechanism casing cover is outside crosshead; turn bar, linkage board and contact bar are towards opening side; knob is arranged on shell upper end, and operating mechanism shell forms instrument connection, and testing button is arranged in instrument connection.
9. control and protective switch according to claim 1 and 2, is characterized in that: described tripping connecting rod and the split of turn bar are arranged, and tripping connecting rod center hinge is connected on crosshead, and tripping connecting rod one end is connected with turn bar, and the other end is overlapped in tripping.
10. control and protective switch according to claim 1 and 2, is characterized in that: form the iron core short-bore with iron core adaptation above described moving contact frame.
CN201511035581.3A 2015-12-30 2015-12-30 A kind of control and protective switch Active CN105470063B (en)

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 true CN105470063A (en) 2016-04-06
CN105470063B CN105470063B (en) 2017-10-20

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Family Applications (1)

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CN201511035581.3A Active CN105470063B (en) 2015-12-30 2015-12-30 A kind of control and protective switch

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113903626A (en) * 2021-09-30 2022-01-07 林华 Pressure switch with motor comprehensive protection

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5163175A (en) * 1990-02-14 1992-11-10 Mitsubishi Denki Kabushiki Kaisha 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
CN103177905A (en) * 2011-12-26 2013-06-26 上海电科电器科技有限公司 Control and protection device of low-voltage apparatus
CN104835700A (en) * 2015-05-15 2015-08-12 浙江共进电器科技有限公司 Control and protection switch
CN205282417U (en) * 2015-12-30 2016-06-01 雷顿电气科技有限公司 Control and protection switch

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5163175A (en) * 1990-02-14 1992-11-10 Mitsubishi Denki Kabushiki Kaisha 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
CN103177905A (en) * 2011-12-26 2013-06-26 上海电科电器科技有限公司 Control and protection device of low-voltage apparatus
CN104835700A (en) * 2015-05-15 2015-08-12 浙江共进电器科技有限公司 Control and protection switch
CN205282417U (en) * 2015-12-30 2016-06-01 雷顿电气科技有限公司 Control and protection switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113903626A (en) * 2021-09-30 2022-01-07 林华 Pressure switch with motor comprehensive protection
CN113903626B (en) * 2021-09-30 2023-10-24 林华 Pressure switch with comprehensive protection function for electric motor

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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.