CN203774125U - Air cooling system and drawer-type circuit breaker provided with same - Google Patents
Air cooling system and drawer-type circuit breaker provided with same Download PDFInfo
- Publication number
- CN203774125U CN203774125U CN201420019054.8U CN201420019054U CN203774125U CN 203774125 U CN203774125 U CN 203774125U CN 201420019054 U CN201420019054 U CN 201420019054U CN 203774125 U CN203774125 U CN 203774125U
- Authority
- CN
- China
- Prior art keywords
- cooling system
- air cooling
- air
- chuck
- circuit breaker
- 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.)
- Expired - Lifetime
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 40
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 230000000630 rising effect Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses an air cooling system, which is characterized by comprising a clamping head body and a fan with a temperature rising monitoring function arranged on the clamping head body.
Description
Technical field
The utility model relates to a kind of air cooling system, particularly a kind of withdrawable circuit breaker with this air cooling system.
Background technology
The important parameter that will consider when the temperature rising of air circuit is circuit breaker day-to-day operation.In some hot environment, the temperature rising limit of circuit breaker can reduce, and causes falling holding using.Particularly withdrawable circuit breaker, because galvanic circle is longer, tie point is more, causes larger contact resistance, and the problem that temperature raises is more obvious.How, for withdrawable circuit breaker provides a kind of effectively cooling system, it is the main purpose of this utility model that circuit breaker can normally be moved in rugged environment.
According to the requirement of IEC60947-1 or GB GB14048-1, in normal working conditions, the temperature limit at the silver-plated client place of copper in the galvanic circle of withdrawable circuit breaker is 70K.If temperature rise exceedes limit value, circuit breaker must fall to hold and use.For some small air circuit breakers, due to the limitation of volume, increase the sectional area of galvanic circle, thereby the space of reduction temperature rise is very limited, and can greatly raises the cost.This problem is also one of subject matter of facing of high-current low-voltage air circuit.
Heat generation characteristic according to low-voltage circuit breaker: the normally middle phase that temperature rise is the highest, and at conventional enterprising line end.For withdrawable circuit breaker, body with take out frame and use multiple chucks to be connected, due to the impact of contact resistance, have larger heating herein, thereby directly have influence on the caloric value of client.
Utility model content
In order to solve above-mentioned defect of the prior art, the utility model provides a kind of air cooling system, it is characterized in that, described air cooling system comprises chuck body and is arranged on the fan with temperature rising monitoring function on described chuck body.
The air inlet of described fan is provided with screen pack, thereby prevents that foreign matter from entering circuit breaker in air-supply process.
Described chuck body has integrated chuck base portion and chuck air channel, described chuck base portion has the chuck base portion opening that multiple wind that can allow described fan produce passes through, the top in described chuck air channel is provided with fan opening, and described fan is arranged in this fan opening.
Below described fan and in the bottom in described chuck air channel, be provided with symmetrically two passages that run through described chuck air channel with respect to the center line of the length direction in vertical described chuck air channel, the channel space that described two passages limit respectively is mutually isolated and is mutually isolated with the duct space that described chuck air channel limits, and in described two passages, is respectively arranged with ventilating opening.
The air channel of the above-mentioned particular design of this air cooling system, in the situation that only using a fan, three-phase air-supply simultaneously, and the wind-force of middle phase is the strongest.
The utility model also provides a kind of withdrawable circuit breaker, this withdrawable circuit breaker has air cooling system as above, this air cooling system is arranged on the backboard of this withdrawable circuit breaker, and the chuck body of described air cooling system faces the perforate on described backboard.
According to the utility model, described wind inlet of fan has metal screen, thereby has prevented that foreign matter from entering circuit breaker in air-supply process, and then prevents from polluting galvanic circle.Smooth Duct design, can reduce the loss of air quantity to greatest extent, three-phase air-supply effectively, and phase air quantity maximum in the middle of ensureing.
Described fan is with temperature rise monitoring function, carrys out the temperature rise of monitoring breaker by sticking on thermocouple in client.If temperature rise exceedes limit value, starting fan air-supply, chuck air channel place Air Flow is accelerated, and temperature rise reduces; If client temperature rise reduces, stopping fan rotation.Therefore, described fan can start or stop automatically according to the temperature limit of setting.
Utilize the utility model, in hot environment, the temperature rise limit of circuit breaker can not reduce, and uses without falling to hold.Particularly for withdrawable circuit breaker, cause larger contact resistance although galvanic circle is longer and tie point, but utilize the utility model to reduce problem of temperature rise, thereby for withdrawable circuit breaker provides a kind of effectively cooling system, circuit breaker can normally be moved in rugged environment.
So far, for the utility model can be better understood in this detailed description, and for the utility model can be realized better to the contribution of prior art, the disclosure has been summarized embodiment of the present utility model quite widely.Certainly, execution mode of the present utility model will be described below and will form the theme of claims.
In this respect, before explaining embodiment of the present utility model in detail, should be appreciated that the utility model is not restricted to proposition or the details of structure illustrated in the accompanying drawings and the configuration of parts in the following description in its application.The utility model can have except describe those embodiment, and can implement by different way and carry out.Moreover, should be appreciated that at the wording of this employing and term and summary be the object in order to describe, should not think determinate.
Similarly, those skilled in the art will recognize that, the disclosure based on design can be easily as the basis of other structure of design, method and system, for implementing several object of the present utility model.Therefore, importantly, claims will be understood that and comprise such equivalent structure, as long as they do not exceed essence of the present utility model and scope.
Brief description of the drawings
To there is better understanding to the utility model by accompanying drawing those skilled in the art below, and more can clearly embody advantage of the present utility model.Accompanying drawing described herein is only for the illustration purpose of selected embodiment, instead of whole possible execution modes and be intended to not limit scope of the present utility model.
Fig. 1 illustrates the stereogram according to air cooling system of the present utility model, and it shows the back side of air cooling system;
Fig. 2 illustrates the stereogram according to air cooling system of the present utility model, and it shows the cutaway view at the back side of air cooling system;
Fig. 3 illustrates the stereogram according to air cooling system of the present utility model, and it shows the front of air cooling system;
Fig. 4 illustrates that, according to withdrawable circuit breaker of the present utility model, this withdrawable circuit breaker is provided with according to air cooling system of the present utility model.
Embodiment
Below with reference to accompanying drawing to being elaborated according to preferred embodiment of the present utility model.By accompanying drawing and corresponding explanatory note, it will be understood to those of skill in the art that characteristics and advantages of the present utility model.
Fig. 1 and Fig. 3 illustrate respectively the stereogram according to air cooling system of the present utility model, and it shows respectively the back side and the front of air cooling system; Fig. 2 illustrates the stereogram according to air cooling system of the present utility model, and it shows the cutaway view at the back side of air cooling system.
As shown in the figure, the utility model provides a kind of air cooling system 1, it is characterized in that, described air cooling system 1 comprises chuck body 2 and is arranged on the fan 3 with temperature rising monitoring function on described chuck body 2.
The air inlet of described fan 3 is provided with screen pack 3-1, thereby prevents that foreign matter from entering circuit breaker in air-supply process.
Described chuck body 2 has integrated chuck base portion 2-1 and chuck air channel 2-2, described chuck base portion 2 has the chuck base portion opening 2-1-1 that multiple wind that can allow described fan 3 produce passes through, the top of described chuck air channel 2-2 is provided with fan opening 2-2-1, and described fan 3 is arranged in this fan opening.
Below 3 and in the bottom of described chuck air channel 2-2, be provided with symmetrically two passages 4 and 5 that run through described chuck air channel at described fan with respect to the center line of the length direction of vertical described chuck air channel 2-2, the channel space that described two passages 4 and 5 limit respectively is mutually isolated and is mutually isolated with the duct space that described chuck air channel 2-2 limits, and in described two passages 4,5, is respectively arranged with ventilating opening 4-1,5-1.
The air channel of the above-mentioned particular design of this air cooling system, in the situation that only using a fan, three-phase air-supply simultaneously, and the wind-force of middle phase is the strongest.
As shown in Figure 4, it illustrates according to withdrawable circuit breaker 6 of the present utility model, this withdrawable circuit breaker 6 is provided with according to air cooling system 1 of the present utility model, wherein above-mentioned air cooling system is arranged on the backboard 6-1 of this withdrawable circuit breaker, and the chuck body of described air cooling system faces the perforate (not shown) on described backboard 6-1.
According to the utility model, described wind inlet of fan has metal filter screen 3-1, thereby has prevented that foreign matter from entering circuit breaker 6 in air-supply process, and then prevents from polluting galvanic circle.Smooth Duct design, can reduce the loss of air quantity to greatest extent, three-phase air-supply effectively, and phase air quantity maximum in the middle of ensureing.
Described fan 3 is with temperature rise monitoring function, carrys out the temperature rise of monitoring breaker 6 by sticking on thermocouple in client.If temperature rise exceedes limit value, fan 3 starts air-supply, and 2-2 place, chuck air channel Air Flow is accelerated, and temperature rise reduces; If client temperature rise reduces, fan 3 stops operating.Therefore, described fan 3 can start or stop automatically according to the temperature limit of setting.
Utilize the utility model, in hot environment, the temperature rise limit of circuit breaker 6 can not reduce, and uses without falling to hold.Particularly for withdrawable circuit breaker, cause larger contact resistance although galvanic circle is longer and tie point, but utilize the utility model to reduce problem of temperature rise, thereby for withdrawable circuit breaker provides a kind of effectively cooling system, circuit breaker can normally be moved in rugged environment.
With reference to specific embodiment, although the utility model is illustrated in specification and accompanying drawing, but be to be understood that, in the case of the utility model scope defined in not departing from claim, affiliated technical field personnel can make multiple change and the alternative wherein Various Components of multiple equivalent.And, the combination of the technical characterictic between specific embodiment, element and/or function and collocation is herein clear distinct, therefore according to these disclosed contents, technical characterictic, element and/or function that affiliated technical field personnel can understand in embodiment can optionally be incorporated in another specific embodiment, unless foregoing has other description.In addition,, according to instruction of the present utility model, in the scope that does not depart from the utility model essence, adapt to special situation or material and can make many changes.Therefore, the utility model is not limited to graphic other specific embodiment of accompanying drawing institute, and conduct described in specification is at present for implementing the specific embodiment of the contemplated preferred forms of the utility model, and the utility model intention comprises all execution modes that fall within the scope of above-mentioned specification and appended claim.
Claims (5)
1. an air cooling system, is characterized in that, described air cooling system comprises chuck body and is arranged on the fan with temperature rising monitoring function on described chuck body.
2. air cooling system according to claim 1, is characterized in that, the air inlet of described fan is provided with screen pack, thereby prevents that foreign matter from entering circuit breaker in air-supply process.
3. air cooling system according to claim 1, it is characterized in that, described chuck body has integrated chuck base portion and chuck air channel, described chuck base portion has the chuck base portion opening that multiple wind that can allow described fan produce passes through, the top in described chuck air channel is provided with fan opening, and described fan is arranged in this fan opening.
4. air cooling system according to claim 3, it is characterized in that, below described fan and in the bottom in described chuck air channel, be provided with symmetrically two passages that run through described chuck air channel with respect to the center line of the length direction in vertical described chuck air channel, the duct space that the channel space that described two passages limit respectively and described chuck air channel limit is isolated mutually, in described two passages, is respectively arranged with ventilating opening.
5. a withdrawable circuit breaker, it is characterized in that, this withdrawable circuit breaker has as the air cooling system of the claims as described in one of them, this air cooling system is arranged on the backboard of this withdrawable circuit breaker, and the chuck body of described air cooling system faces the perforate on described backboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420019054.8U CN203774125U (en) | 2014-01-13 | 2014-01-13 | Air cooling system and drawer-type circuit breaker provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420019054.8U CN203774125U (en) | 2014-01-13 | 2014-01-13 | Air cooling system and drawer-type circuit breaker provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203774125U true CN203774125U (en) | 2014-08-13 |
Family
ID=51291283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420019054.8U Expired - Lifetime CN203774125U (en) | 2014-01-13 | 2014-01-13 | Air cooling system and drawer-type circuit breaker provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203774125U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799340A (en) * | 2017-11-27 | 2018-03-13 | 德力西电气有限公司 | A kind of external air cooling equipment and the breaker for being provided with external air cooling equipment |
| CN113053682A (en) * | 2021-03-09 | 2021-06-29 | 北京北元电器有限公司 | Air-cooled air pipe, ventilation housing and multipoint cooling device for circuit breaker |
-
2014
- 2014-01-13 CN CN201420019054.8U patent/CN203774125U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799340A (en) * | 2017-11-27 | 2018-03-13 | 德力西电气有限公司 | A kind of external air cooling equipment and the breaker for being provided with external air cooling equipment |
| CN107799340B (en) * | 2017-11-27 | 2020-08-07 | 德力西电气有限公司 | External air cooling device and circuit breaker provided with same |
| CN113053682A (en) * | 2021-03-09 | 2021-06-29 | 北京北元电器有限公司 | Air-cooled air pipe, ventilation housing and multipoint cooling device for circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |
|
| CX01 | Expiry of patent term |