CN108269718A - A kind of electrical contact separation and arc extinguishing structure device based on heat transfer driving - Google Patents
A kind of electrical contact separation and arc extinguishing structure device based on heat transfer driving Download PDFInfo
- Publication number
- CN108269718A CN108269718A CN201810045094.2A CN201810045094A CN108269718A CN 108269718 A CN108269718 A CN 108269718A CN 201810045094 A CN201810045094 A CN 201810045094A CN 108269718 A CN108269718 A CN 108269718A
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- China
- Prior art keywords
- connecting plate
- arc extinguishing
- plate
- heat
- heat conduction
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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
-
- 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
- H01H71/14—Electrothermal mechanisms
- H01H71/16—Electrothermal mechanisms with bimetal element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/18—Means for extinguishing or suppressing arc
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses a kind of electrical contact separation based on heat transfer driving and arc extinguishing structure devices, are related to over-current protection structure device field.In the present invention：Heat conductor is equipped in conductor casing；Heat conductor hard-pressed bale is rolled in the second conductive link periphery；One end of heat conduction connecting plate is fixed and is wrapped in heat conductor；The other end of heat conduction connecting plate is fixedly connected with the plate structure being made of the first sheet metal and the second sheet metal；Arc extinguishing case is installed at the straight slot position of heat conduction connecting plate；The first conductive link is equipped in first support loop bar, the both sides of the first support loop bar are fixedly connected with a pair of of pushing plate.The present invention is bent by the sheet metal expanded by heating on heat conduction connecting plate, so that dynamic tactile connecting plate is detached with stationary contact connecting plate, by installing arc extinguishing case on heat conduction connecting plate, the electric arc generated when being detached to dynamic and static tactile connecting plate carries out effective stretch and slackens, so as to effectively carry out safely and effectively open-circuit operation when overcurrent occurs for electric loop.
Description
Technical field
The present invention relates to over-current protection structure device field more particularly to a kind of electrical contacts point based on heat transfer driving
From and arc extinguishing structure device.
Background technology
Electric loop can have overload or over-current phenomenon avoidance in operation process.So-called overcurrent flows through electrical equipment and line
The electric current on road has not exceeded only its load current value, but also has been more than its time allowed to bear.Prolonged overcurrent meeting
Lead to the major injury of load and power supply.
When overcurrent phenomenon occurs for electric loop, it is typically necessary and timely disconnects electric loop, but in cutoff circuit
When, arc phenomenon can occur for the electric contact of gap, and electric arc can generate high pressure and high temperature, easily damage electrical contacts.
In view of the above-mentioned problems, how safely and effectively open-circuit operation effectively is carried out when overcurrent occurs for electric loop,
As problem to be solved.
Invention content
The technical problem to be solved in the present invention is to provide a kind of electrical contact separation based on heat transfer driving and arc extinguishing structures
Device is bent by the sheet metal expanded by heating on heat conduction connecting plate so that dynamic tactile connecting plate is detached with stationary contact connecting plate, by heat conduction
Arc extinguishing case is installed on connecting plate, the electric arc generated when being detached to dynamic and static tactile connecting plate carries out effective stretch and slackens, so as to have
Effect carries out safely and effectively open-circuit operation when overcurrent occurs for electric loop.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention provides a kind of electrical contact separation based on heat transfer driving and arc extinguishing structure device, including conductor casing,
Heat conductor is equipped in conductor casing；Including the second conductive link, heat conductor hard-pressed bale is rolled in the second conductive link periphery；Including heat conduction
Connecting plate, one end of heat conduction connecting plate, which is fixed, to be wrapped in heat conductor；The other end of heat conduction connecting plate is fixedly connected with by the first sheet metal
The plate structure formed with the second sheet metal.
Including arc extinguishing case, straight slot structure is offered on heat conduction connecting plate, arc extinguishing case is installed in the straight slot position of heat conduction connecting plate
Put place；Including the first support loop bar, the first conductive link is equipped in the first support loop bar, the both sides of the first support loop bar, which are fixed, to be connected
It is connected to a pair of of pushing plate.
Wherein, the position of plate structure that the first sheet metal and the second sheet metal are formed is matched with the position of pushing plate；
The coefficient of thermal expansion of first sheet metal is more than the coefficient of thermal expansion of the second sheet metal.
Wherein, the end side of the first support loop bar is equipped with dynamic tactile connecting plate, and dynamic tactile connecting plate is connected with the first conductive link；Second leads
Be electrically connected bar end side be equipped with stationary contact connecting plate；The position of dynamic tactile connecting plate is matched with the position of stationary contact connecting plate.
Wherein, the straight slot structure of heat conduction connecting plate is equipped with insulation cage plate；Arc extinguishing case is tightly installed in the inside of insulation cage plate；
Magnetic harden structure is equipped in arc extinguishing case.
Wherein, the first support loop bar is insulating polymeric material bar；Pushing plate and insulation cage plate are polymeric thermal insulation materials
Plate；Heat conductor is copper/copper alloy material conductor；Arc extinguishing case is polymer insulation insulating panels shell.
Wherein, the outboard end of the first support loop bar is connected with response agency.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the present invention transfers heat to heat conduction by heat conductor and connects by setting heat conductor in the second conductive link periphery
Plate, the sheet metal expanded by heating bending on heat conduction connecting plate, pushes and promotes connecting plate action so that dynamic tactile connecting plate and stationary contact connecting plate point
From disconnection electric loop；
2nd, the present invention on heat conduction connecting plate by installing arc extinguishing case, and is set absolutely between heat conduction connecting plate and arc extinguishing case
Edge cage plate, the heat reduced between heat conduction connecting plate and arc extinguishing case are transmitted；Simultaneously by the magnetic sheet in arc extinguishing case, to it is dynamic,
The electric arc that stationary contact connecting plate generates when detaching carries out effective stretch and slackens, and dynamic and static tactile connecting plate is protected, so as to effectively exist
Electric loop occurs to carry out safely and effectively open-circuit operation during overcurrent.
Description of the drawings
The electrical contact based on heat transfer driving that Fig. 1 is the present invention detaches and arc extinguishing structure apparatus structure schematic diagram；
Fig. 2 is the structure diagram of partial enlargement at A in Fig. 1；
Wherein：1- conductor casings；2- heat conductors；3- heat conduction connecting plates；The first sheet metals of 4-；The second sheet metals of 5-；6- first
Support loop bar；The first conductive links of 7-；The second conductive links of 8-；9- moves tactile connecting plate；10- stationary contact connecting plates；11- arc extinguishing cases；12-
Magnetic sheet；13- pushing plates；14- insulation cage plates.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Specific embodiment one：
It please refers to shown in 1-2, the present invention is a kind of electrical contact separation based on heat transfer driving and arc extinguishing structure device, is wrapped
Conductor casing 1 is included, heat conductor 2 is equipped in conductor casing 1.
Including the second conductive link 8,2 hard-pressed bale of heat conductor is rolled in 8 periphery of the second conductive link；.
Including heat conduction connecting plate 3, one end of heat conduction connecting plate 3, which is fixed, to be wrapped in heat conductor 2；The other end of heat conduction connecting plate 3 is consolidated
Surely it is connected with the plate structure being made of the first sheet metal 4 and the second sheet metal 5.
Including arc extinguishing case 11, straight slot structure is offered on heat conduction connecting plate 3, arc extinguishing case 11 is installed in heat conduction connecting plate 3
At straight slot position.
Including the first support loop bar 6, the first conductive link 7 is equipped in the first support loop bar 6, first supports the two of loop bar 6
Side is fixedly connected with a pair of of pushing plate 13.
Further, the position for the plate structure that the first sheet metal 4 and the second sheet metal 5 are formed and the position of pushing plate 13
It matches；The coefficient of thermal expansion of first sheet metal 4 is more than the coefficient of thermal expansion of the second sheet metal 5.
Further, the end side of the first support loop bar 6 is equipped with dynamic tactile connecting plate 9, moves tactile connecting plate 9 and 7 phase of the first conductive link
Even；The end side of second conductive link 8 is equipped with stationary contact connecting plate 10；The position of dynamic tactile connecting plate 9 is matched with the position of stationary contact connecting plate 10.
Further, the straight slot structure of heat conduction connecting plate 3 is equipped with insulation cage plate 14；Arc extinguishing case 11 is tightly installed in insulation sleeve
The inside of plate 14；12 structure of magnetic sheet is equipped in arc extinguishing case 11.
Further, the first support loop bar 6 is insulating polymeric material bar；Pushing plate 13 and insulation cage plate 14 are macromolecule
Insulating panels；Heat conductor 2 is copper/copper alloy material conductor；Arc extinguishing case 11 is polymer insulation insulating panels shell.
Further, the outboard end of the first support loop bar 6 is connected with response agency.
Specific embodiment two：
In the present invention, the first conductive link 7 contacts unicom with the second conductive link 8；When overload, short circuit occur for circuit
When, loop current increases, and generates amount of heat on the second conductive link 8, heat conductor 2 is led in heat transmission to heat conduction connecting plate 3
5 expanded by heating of the first sheet metal 4 and the second sheet metal on hot connecting plate 3 since coefficient of expansion difference causes plate face to be bent, pushes
Pushing plate 13 acts, and is detached so as to move tactile connecting plate 9 with stationary contact connecting plate 10.
When dynamic tactile connecting plate 9 and stationary contact connecting plate 10 detach, the electric arc of generation is by the magnetic sheet 12 in arc extinguishing case 11
Magnetic field force acts on, and electric arc is stretched in arc extinguishing case 11, has slackened damage of the electric arc to electrical contact.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of electrical contact separation and arc extinguishing structure device based on heat transfer driving, it is characterised in that：
Including conductor casing (1), heat conductor (2) is equipped in the conductor casing (1)；
Including the second conductive link (8), heat conductor (2) hard-pressed bale is rolled in the second conductive link (8) periphery；
Including heat conduction connecting plate (3), one end of the heat conduction connecting plate (3), which is fixed, to be wrapped in heat conductor (2)；
The other end of the heat conduction connecting plate (3) is fixedly connected with the plate being made of the first sheet metal (4) and the second sheet metal (5)
Structure；
Including arc extinguishing case (11), straight slot structure is offered on the heat conduction connecting plate (3), the arc extinguishing case (11), which is installed in, leads
At the straight slot position of hot connecting plate (3)；
Including the first support loop bar (6), the first conductive link (7), first support are equipped in the first support loop bar (6)
The both sides of loop bar (6) are fixedly connected with a pair of of pushing plate (13).
2. a kind of electrical contact separation and arc extinguishing structure device based on heat transfer driving according to claim 1, feature
It is：
The position of plate structure and the position phase of pushing plate (13) that first sheet metal (4) and the second sheet metal (5) are formed
Cooperation；
The coefficient of thermal expansion of first sheet metal (4) is more than the coefficient of thermal expansion of the second sheet metal (5).
3. a kind of electrical contact separation and arc extinguishing structure device based on heat transfer driving according to claim 1, feature
It is：
The end side of the first support loop bar (6) is equipped with dynamic tactile connecting plate (9), the dynamic tactile connecting plate (9) and the first conductive link (7)
It is connected；
The end side of second conductive link (8) is equipped with stationary contact connecting plate (10)；
The position of the dynamic tactile connecting plate (9) is matched with the position of stationary contact connecting plate (10).
4. a kind of electrical contact separation and arc extinguishing structure device based on heat transfer driving according to claim 1, feature
It is：
The straight slot structure of the heat conduction connecting plate (3) is equipped with insulation cage plate (14)；
The arc extinguishing case (11) is tightly installed in the inside of insulation cage plate (14)；
Magnetic sheet (12) structure is equipped in the arc extinguishing case (11).
5. a kind of electrical contact separation and arc extinguishing structure device based on heat transfer driving according to claim 1 or 4, special
Sign is：
The first support loop bar (6) is insulating polymeric material bar；
The pushing plate (13) and insulation cage plate (14) are polymeric thermal insulation materials plate；
The heat conductor (2) is copper/copper alloy material conductor；
The arc extinguishing case (11) is polymer insulation insulating panels shell.
6. a kind of electrical contact separation and arc extinguishing structure device based on heat transfer driving according to claim 1, feature
It is：The outboard end of the first support loop bar (6) is connected with response agency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810045094.2A CN108269718A (en) | 2018-01-17 | 2018-01-17 | A kind of electrical contact separation and arc extinguishing structure device based on heat transfer driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810045094.2A CN108269718A (en) | 2018-01-17 | 2018-01-17 | A kind of electrical contact separation and arc extinguishing structure device based on heat transfer driving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108269718A true CN108269718A (en) | 2018-07-10 |
Family
ID=62775795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810045094.2A Pending CN108269718A (en) | 2018-01-17 | 2018-01-17 | A kind of electrical contact separation and arc extinguishing structure device based on heat transfer driving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108269718A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201060819Y (en) * | 2007-06-13 | 2008-05-14 | 温州奥来电器有限公司 | Energy accumulation type high breaking small-sized breaker |
| CN101847553A (en) * | 2010-06-07 | 2010-09-29 | 湖北盛佳电器设备有限公司 | Breaker capable of improving disconnecting capacity |
| CN201804811U (en) * | 2010-02-10 | 2011-04-20 | 湖北盛佳电器设备有限公司 | Circuit breaker with mechanical overheating protection function |
| CN102789931A (en) * | 2012-07-27 | 2012-11-21 | 法泰电器（江苏）股份有限公司 | Arc extinguishing device of circuit breaker with reverse current protection |
| CN203760399U (en) * | 2012-07-05 | 2014-08-06 | Abb股份公司 | Thermal machine converter-equipped installation switch device |
| US8872606B1 (en) * | 2013-04-23 | 2014-10-28 | Eaton Corporation | Bimetal and magnetic armature providing an arc splatter resistant offset therebetween, and circuit breaker including the same |
| KR20150053610A (en) * | 2013-11-08 | 2015-05-18 | 엘에스산전 주식회사 | Circuit breaker |
-
2018
- 2018-01-17 CN CN201810045094.2A patent/CN108269718A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201060819Y (en) * | 2007-06-13 | 2008-05-14 | 温州奥来电器有限公司 | Energy accumulation type high breaking small-sized breaker |
| CN201804811U (en) * | 2010-02-10 | 2011-04-20 | 湖北盛佳电器设备有限公司 | Circuit breaker with mechanical overheating protection function |
| CN101847553A (en) * | 2010-06-07 | 2010-09-29 | 湖北盛佳电器设备有限公司 | Breaker capable of improving disconnecting capacity |
| CN203760399U (en) * | 2012-07-05 | 2014-08-06 | Abb股份公司 | Thermal machine converter-equipped installation switch device |
| CN102789931A (en) * | 2012-07-27 | 2012-11-21 | 法泰电器（江苏）股份有限公司 | Arc extinguishing device of circuit breaker with reverse current protection |
| US8872606B1 (en) * | 2013-04-23 | 2014-10-28 | Eaton Corporation | Bimetal and magnetic armature providing an arc splatter resistant offset therebetween, and circuit breaker including the same |
| KR20150053610A (en) * | 2013-11-08 | 2015-05-18 | 엘에스산전 주식회사 | Circuit breaker |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180710 |