CN102768913B - The heating panel of switching device and switching device thereof - Google Patents
The heating panel of switching device and switching device thereof Download PDFInfo
- Publication number
- CN102768913B CN102768913B CN201110114262.7A CN201110114262A CN102768913B CN 102768913 B CN102768913 B CN 102768913B CN 201110114262 A CN201110114262 A CN 201110114262A CN 102768913 B CN102768913 B CN 102768913B
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- heating panel
- switching device
- electric contact
- contact point
- housing
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Abstract
The invention provides a kind of heating panel (10) of switching device, comprise a body (12) and a radiating part (16).Body can be arranged on the housing (40) of switching device, and body is provided with heat conduction mouth (14) that can be corresponding with the thermovent (42) on housing.Body is also provided with radiating part (16), it is a plurality of fin, and fin extends along making the heat dissipation direction that in housing, temperature reduces.Present invention also offers the switching device using this heating panel.Use heating panel and the switching device thereof of switching device, improve the heat-sinking capability of switching device, and can help to extinguish the electric arc produced in shell.
Description
Technical field
The present invention relates to a kind of heating panel, particularly relate to a kind of heating panel for switching device, the invention still further relates to the switching device using this heating panel.
Background technology
Switching device generally includes a circuit breaker, and the shell of circuit breaker is provided with fixing electric contact point, and electric contact point is then provided with strutting piece, can be provided with a fuse between two strutting pieces.In the process used, when switching device is in opening state, electric current from an electric contact point through strutting piece and fuse, flow to another electric contact point, due to by certain rated current, make the insurance support of switching device, insurance capping, safety seal mounted box and terminal place produce certain heat, especially for the switching device (such as 800A, 1250A etc.) by large rated current, these heats badly influence the reliability of switching device.Existing product is by increasing the volume of switching device, and the cross-sectional area increasing terminal cross-sectional area and insurance support reduces the heat that produces in switching device and accelerates the heat-sinking capability of switching device, but thereby increase the volume of switching device, do not meet the trend of switching device miniaturization.
When the moment that switching device turns off, because high temperature makes fixing electric contact point and flexible lamp contact all inspire conducting particles, electric arc is produced between fixing electric contact point and flexible lamp contact, the electric current that switching device is passed through is increased to more than ten times of rated current, if can not radiating and cooling extinguish arcs at once, the huge heat that electric current produces seriously can damage the whole circuit of switching device inside.
Summary of the invention
The object of this invention is to provide a kind of heating panel of switching device, when switching device is connected for electric contact point and fuse strutting piece provide good heat radiation,
Another object of the present invention is to provide a kind of heating panel of switching device, dispels the heat and helps switching device extinguish arcs breaking moment while providing heat radiation at switching device for electric contact point and fuse strutting piece provide.
Another object of the present invention is to provide a kind of switching device, when switching device is connected for electric contact point and fuse strutting piece provide good heat radiation, dispel the heat and help switching device extinguish arcs for electric contact point and fuse strutting piece provide breaking moment at switching device simultaneously.
The invention provides a kind of heating panel of switching device, comprise a body and a radiating part.Body can be arranged on the housing of switching device, and body is provided with heat conduction mouth that can be corresponding with the thermovent on housing.Body is also provided with radiating part, and it is a plurality of fin, and fin extends along making the heat dissipation direction that in housing, temperature reduces.
In another schematic execution mode of the heating panel of switching device, fin has different length in heat dissipation direction.
In the schematic execution mode of the another kind of the heating panel of switching device, along direction of ventilation, the periphery of heat conduction mouth is provided with flap.
In another schematic execution mode of the heating panel of switching device, body is prepared from by the material of adsorbable conducting particles, such as steel, aluminium or copper.
In another schematic execution mode of the heating panel of switching device, heating panel is prepared from by the material of adsorbable conducting particles, such as steel, aluminium or copper.
In another schematic execution mode of the heating panel of switching device, the surface of heating panel, by melanism insulation processing, to improve the heat-sinking capability of heating panel, forms insulating barrier to ensure the use safety of heating panel on heating panel surface simultaneously.
Present invention also offers the switching device using above-mentioned heating panel, comprise a shell, two electric contact points, two strutting pieces and above-mentioned heating panels.Wherein, shell has at least one thermovent, electric contact point is fixed on shell, strutting piece is separately fixed at electric contact point, heating panel can be installed on shell, and the heat conduction mouth of body is corresponding with the thermovent of shell, and electric contact point and strutting piece can be fixed on the body of heating panel successively.
In another schematic execution mode of switching device, body is provided with installing hole, and heating panel is fixedly connected with strutting piece with electric contact point by wearing the bolt penetrated in installing hole.
In another schematic execution mode of switching device, between bolt and strutting piece, comprise a spring washer.
Using heating panel and the switching device thereof of switching device, by being arranged at the fin that heating panel body is connected, improve the heat-sinking capability of switching device.
Using heating panel and the switching device thereof of switching device, by being arranged at the heat conduction mouth on heating panel body, can help to extinguish the electric arc produced in shell.
Use heating panel and the switching device thereof of switching device, along heat dissipation direction fin, there is different length by arranging, improve the heat-sinking capability of heating panel.
Using heating panel and the switching device thereof of switching device, by arranging flap, accelerating the extinguishing speed of electric arc in shell.
Hereafter by clearly understandable mode, by reference to the accompanying drawings by description of a preferred embodiment, the above-mentioned characteristic of the present invention, technical characteristic, advantage and implementation thereof are further described.
Accompanying drawing explanation
The following drawings only schematically illustrates the present invention and explains, not delimit the scope of the invention.
Fig. 1 is the stereochemical structure decomposing schematic representation of the exemplary embodiment of the switching device that heating panel is housed.
Fig. 2 is the schematic diagram of the another kind of exemplary embodiment of heating panel.
Fig. 3 is the schematic diagram of a kind of exemplary embodiment of switching device.
Label declaration
10 heating panels
12 bodies
14 heat conduction mouths
142 flaps
15 installing holes
16 radiating parts
20 electric contact points
30 strutting pieces
40 shells
42 thermovents
50 bolts
52 packing rings
Embodiment
In order to the technical characteristic to invention, object and effect have understanding clearly, now contrast accompanying drawing and the specific embodiment of the present invention is described, label identical in the various figures represents identical part.In the accompanying drawing representing each embodiment, the identical or structural similarity of identical numeral structure but the identical parts of function.
For making simplified form, only schematically show part related to the present invention in each figure, they do not represent its practical structures as product.In addition, be convenient to make simplified form understand, there are the parts of same structure or function in some figure, only schematically depict one of them, or only marked one of them.
Fig. 1 is the stereochemical structure decomposing schematic representation of a kind of exemplary embodiment of the switching device that heating panel is housed, for simplified form, a shell 40, heating panel 10, electric contact point 20 and a strutting piece 30 of switching device is only schematically drawn in figure, but in actual use, two heating panels, 10, two electric contact points 20 and two strutting pieces 30 are set usually on shell 40.
See Fig. 1, electric contact point 20 can be fixedly connected on (see Fig. 3) on shell 40, and strutting piece 30 is fixedly connected with electric contact point 20, and fuse (not shown) is erected between two strutting pieces 30.In the exemplary embodiment shown in Fig. 1, electric contact point 20 is fixing electric contact point, and switching device is provided with two flexible lamp contact (not shown) to realize the switching of switching device.When switching device is in opening state, electric current, from an electric contact point 20, through strutting piece 30 and fuse, flows to another electric contact point 20; When the moment that switching device turns off, because high temperature makes fixing electric contact point and flexible lamp contact all inspire conducting particles, between fixing electric contact point and flexible lamp contact, produce electric arc.
As shown in Figure 1, the heating panel 10 of switching device comprises a body 12 and a radiating part 16.Wherein, heating panel 10 is fixedly connected with strutting piece 30 with electric contact point 20 by body 12, and body 12 is provided with heat conduction mouth 14, although be illustrated as three heat conduction mouths 14 in Fig. 1, its actual quantity can need to be designed to one, two or more than three according to different.Heat conduction mouth 14 is corresponding along illustrated direction of ventilation with the thermovent 42 of shell 40, and wherein " direction of ventilation " is for after shell 40 inner air expanded by heating, and air is from the outflow direction of thermovent 42.Body 12 is also provided with radiating part 16, and radiating part 16 comprises three heat-dissipating fins, and these fins extend along heat dissipation direction, and wherein " heat dissipation direction " is the gradient direction that the temperature being starting point with body 12 reduces.In the execution mode shown in Fig. 1, heat dissipation direction is identical with direction of ventilation.
As shown in Figure 1, the illustrated heat dissipation direction of fin 16 has different length.Each fin 16 free end is different from the distance of body, cause the temperature of fin free end different, so not only there is temperature gradient between fin free end and body, and also there is temperature gradient between each fin free end, according to stack effect (chimneyeffect), also can produce air flowing between these fin free ends, thus add the heat-sinking capability of heating panel.
Because strutting piece 30, electric contact point 20 and heating panel 10 are fixed together, make the heat that strutting piece 30 and electric contact point 20 produce can pass to heating panel 10, because heating panel 10 is provided with multiple fin 16, increase the area of dissipation of heating panel 10, be conducive to the exchange heat between heating panel 10 and air.In addition, by the quantity of increase fin and the mode of punching on fin, the area of dissipation of heating panel 10 can be increased further, thus strengthens the heat-sinking capability of heating panel 10.
When switching device disconnects, electric arc and a large amount of conducting particles is produced in shell 40, make the volumetric expansion by heating of shell 40 inner air, air with a large amount of conducting particles sprays from the thermovent 42 of shell 40 and the heat conduction mouth 14 of body, and contact with heating panel 10, the air flowing of shell 40 inside and heat exchange between high temperature air and heating panel 10, can reduce the temperature of shell 40 inner air.
In heating panel 10 1 kinds of exemplary embodiment of switching device, body 12 can by can steel, aluminium or copper etc. can heat conduction and the material of adsorbable conducting particles be prepared from, these materials have good capacity of heat transmission on the one hand, can absorb conducting particles on the other hand.The body contacts of conducting particless a large amount of like this and heating panel 10 and being adsorbed by heat radiator body 12, decreases the quantity of conducting particles in air, thus improves the insulating capacity of shell 40 inner air, accelerate the extinguishing speed of electric arc.Or also the body of heating panel 10 and fin heat conduction and the material of adsorbable conducting particles can be prepared from by by steel, aluminium or copper etc., be convenient to the manufacture of heating panel 10.The surface of heating panel 10 is through melanism insulation processing simultaneously, makes heating panel 10 surface form the insulating barrier of one deck black, can be increased the heat-sinking capability of heating panel, ensure the use safety of heating panel 10 simultaneously by the insulating barrier of this black, prevent from getting an electric shock.
As shown in Figure 1, heat radiator body 12 can also be provided with installing hole 15, when heating panel 10 is installed, first electric contact point 20 is withheld on the body 12 of heating panel 10, then strutting piece 30 is withheld on the end face that electric contact point 20 deviates from heating panel 10, and electric contact point 20 and strutting piece 30 are provided with the through hole corresponding with installing hole 15, heating panel 10 are connected with electric contact point 20 and strutting piece 30 by wearing the bolt 50 penetrated in installing hole 15, and are fixedly mounted on shell 40.By bolt 50, heating panel 10 and electric contact point 20 and fuse strutting piece 30 can be linked together securely, reduce the contact resistance between them.Certainly, heating panel 10, also can adopt between electric contact point 20 and strutting piece 30 as buckle, welding, bonding etc. other are fixedly connected with mode.
Using bolt 50 when connecting heating panel 10, electric contact point 20 and strutting piece 30, in order to prevent bolt 50 in use procedure from loosening, being also provided with spring washer 52 at bolt 50 without between the end of thread and strutting piece 30.
Fig. 2 is the schematic diagram of the another kind of exemplary embodiment of heating panel of switching device, and wherein identical with structure in Fig. 1 part does not repeat them here.See Fig. 1 and Fig. 2, along in direction of ventilation, heat conduction mouth 14 periphery of body 12 is provided with flap 142.When switching device cuts off, the arc heating air produced in shell 40, air is expanded, high temperature air carries a large amount of conducting particles and sprays from the thermovent 42 of shell 40 and the heat conduction mouth 14 of heating panel 10, when high temperature air sprays from heat conduction mouth 14, because heat conduction mouth 14 periphery is provided with flap 142, high temperature air can be flowed along flap 142, add the time of contact of high temperature air and heating panel on the one hand, accelerate the radiating rate of high temperature air; On the other hand, because high temperature air also can continue to contact with flap 142 after heat conduction mouth 14 sprays, add the conductive particle quantity that heating panel absorbs, thus improve the insulating capacity of enclosure air.
Fig. 3 is the schematic diagram after the heating panel shown in Fig. 2 is arranged on switching device.Two heating panels 10 are fastened on shell 40 and are provided with on the end face of thermovent, and two electric contact points 20 and two strutting pieces 30 are fastened on the body 12 of each heating panel 10 successively.The heat conduction mouth 14 of body 12 communicates with thermovent 42, and the air in shell 40 can expeditely be flowed out from thermovent 42 and heat conduction mouth 14.In the execution mode shown in Fig. 3, each electric contact point 20 corresponding, is respectively arranged with a heating panel 10, but also as required, only can install heating panel 10 on an electric contact point 20, or can also be one by two heating panels 10 connections.
In this article, " schematically " expression " serves as example, example or explanation ", not should by being described to any diagram of " schematically " in this article, execution mode is interpreted as a kind of preferred or have more the technical scheme of advantage.
In this article, the restriction in the mathematics of " communicating ", " adapting " etc. non-critical and/or geometry meaning, it also can comprise it will be appreciated by those skilled in the art that and manufacture or use the error allowed during this product.
Be to be understood that, although this specification describes according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, technical scheme in each execution mode also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for possible embodiments of the present invention; they are also not used to limit the scope of the invention, all do not depart from the skill of the present invention equivalent implementations done of spirit or change all should be included within protection scope of the present invention.
Claims (8)
1. the heating panel (10) of switching device, comprising:
One can be arranged on the body (12) on the housing (40) of described switching device, and described body (12) be provided with can with the thermovent (42) on described housing (40) along the corresponding heat conduction mouth (14) of direction of ventilation, described body (12) and/or described heating panel (10) are prepared from by the material that can adsorb conducting particles; With
One is arranged on the radiating part (16) on described body (12), and it is a plurality of fin, and described fin extends along making the heat dissipation direction that in described housing, temperature reduces.
2. heating panel (10) as claimed in claim 1, wherein said fin has different length in described heat dissipation direction.
3. heating panel (10) as claimed in claim 1, wherein along described direction of ventilation, the periphery of described heat conduction mouth (14) is provided with flap (142).
4. heating panel (10) as claimed in claim 1, wherein said material is steel, aluminium or copper.
5. heating panel (10) as claimed in claim 4, the surface of wherein said heating panel (10) is by melanism insulation processing.
6. switching device, comprising:
A housing (40), described housing (40) has at least one thermovent (42);
Two can be fixed on the electric contact point (20) on described housing (40);
Two can be separately fixed at the strutting piece (30) on described electric contact point (20); With
A heating panel as described in one of claim 1 to 5 (10), described heating panel (10) can be installed on described housing (40), and the described heat conduction mouth (14) of described body (12) is corresponding with the described thermovent (42) of described housing (40), described electric contact point (20) and described strutting piece (30) can be fixed on the described body (12) of described heating panel (10) successively.
7. switching device as claimed in claim 6, wherein said body (12) is provided with installing hole (15), and described heating panel (10) is fixedly connected with described strutting piece (30) with described electric contact point (20) by wearing the bolt (50) penetrated in described installing hole (15).
8. switching device as claimed in claim 7, comprises a spring washer (52) between wherein said bolt (50) and described strutting piece (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110114262.7A CN102768913B (en) | 2011-05-04 | 2011-05-04 | The heating panel of switching device and switching device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110114262.7A CN102768913B (en) | 2011-05-04 | 2011-05-04 | The heating panel of switching device and switching device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102768913A CN102768913A (en) | 2012-11-07 |
| CN102768913B true CN102768913B (en) | 2015-12-16 |
Family
ID=47096272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110114262.7A Expired - Fee Related CN102768913B (en) | 2011-05-04 | 2011-05-04 | The heating panel of switching device and switching device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102768913B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887097A (en) * | 2012-12-19 | 2014-06-25 | 上海良信电器股份有限公司 | Conducting cooling bar |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5969308A (en) * | 1998-04-02 | 1999-10-19 | Siemens Energy & Automation, Inc. | Rotary switch including spring biased knife blade contacts |
| CN1323443A (en) * | 1998-10-16 | 2001-11-21 | Eti电元件股份公司 | Electric appliance switch comprising a fuse seat |
| CN102017039A (en) * | 2007-12-07 | 2011-04-13 | Abb技术有限公司 | Heat dissipating means for circuit-breaker and circuit-breaker with such heat dissipating means |
| CN201813648U (en) * | 2010-07-25 | 2011-04-27 | 东莞市为开金属制品厂 | Radiator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8006660A (en) * | 1980-12-08 | 1982-07-01 | Hazemeijer Bv | Fuse holder for distribution panel - adaptable to ambient conditions, having number of heat sinks formed from U=profile sheets bolted in stacks |
| JP2009076623A (en) * | 2007-09-20 | 2009-04-09 | Yaskawa Electric Corp | Electronic equipment |
-
2011
- 2011-05-04 CN CN201110114262.7A patent/CN102768913B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5969308A (en) * | 1998-04-02 | 1999-10-19 | Siemens Energy & Automation, Inc. | Rotary switch including spring biased knife blade contacts |
| CN1323443A (en) * | 1998-10-16 | 2001-11-21 | Eti电元件股份公司 | Electric appliance switch comprising a fuse seat |
| CN102017039A (en) * | 2007-12-07 | 2011-04-13 | Abb技术有限公司 | Heat dissipating means for circuit-breaker and circuit-breaker with such heat dissipating means |
| CN201813648U (en) * | 2010-07-25 | 2011-04-27 | 东莞市为开金属制品厂 | Radiator |
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| Publication number | Publication date |
|---|---|
| CN102768913A (en) | 2012-11-07 |
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Granted publication date: 20151216 Termination date: 20200504 |
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