CN204361535U - A kind of heat abstractor for switchgear - Google Patents
A kind of heat abstractor for switchgear Download PDFInfo
- Publication number
- CN204361535U CN204361535U CN201420873322.2U CN201420873322U CN204361535U CN 204361535 U CN204361535 U CN 204361535U CN 201420873322 U CN201420873322 U CN 201420873322U CN 204361535 U CN204361535 U CN 204361535U
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- Prior art keywords
- heat
- gas tank
- pilot hole
- pipe
- tank unit
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Abstract
The utility model discloses a kind of heat abstractor for switchgear, it comprises: gas tank unit pilot hole sealed aluminum flanged plate, heat-pipe elements and fin fin, the pilot hole of gas tank unit pilot hole sealed aluminum flanged plate to Cubicle Gas-Insulated Switchgear gas tank unit mounted inside parts carries out shutoff, sealing gas tank, and the heat of gas tank inside is passed to heat-pipe elements; Heat-pipe elements is placed on gas tank unit pilot hole sealed aluminum flanged plate by heat pipe pressing plate; Fin heat sink provision is on heat-pipe elements.This heat abstractor adopt compact and cleverly structure make heat-pipe elements can be good at being placed on the gas tank of sealing, and whole heat abstractor volume is little, and the capacity of heat transmission is strong, the heat of the comparable common metal of Unit Weight many transmission order of magnitude.
Description
Technical field
The utility model relates to field of electrical equipment, is specifically related to a kind of heat abstractor for switchgear.
Background technology
Cubicle Gas-Insulated Switchgear is with its good insulation property, and sealing property and the feature such as floor space is little, is easily accepted by a user gradually in recent years, obtains general application.Increasing transformer station and jumbo Middle Voltage need this Cubicle Gas-Insulated Switchgear highly reliable, non-maintaining, miniaturized, not affected by environment.But Cubicle Gas-Insulated Switchgear is sealed in airtight gas tank because of its major loop, the heat that its primary circuit produces for the air-insulated metal enclosed switchgear of ad eundem is difficult to effectively from airtight gas tank, be dispersed into space outerpace, cause gas tank internal temperature greatly to raise, the general safety that too high temperature can make the aging reduction insulation property of the insulating material in gas tank affect switchgear runs.Therefore the space outerpace how heat that primary circuit produces being delivered to Cubicle Gas-Insulated Switchgear gas tank unit is fast and effectively the problem needing to solve.
For the problem of above-mentioned heat radiation, similar products at home and abroad is generally apply sheet aluminum profile heat radiator or in switchgear, install radiator fan additional to dispel the heat, but flaky aluminum Section Bar Heat Sinks often needs a large amount of use just can be effective because radiating efficiency is low, there is again life-span short shortcoming in cooling fan.
Hot pipe technique has been widely applied in industries such as refrigeration, electronics, the energy since the sixties in last century is born.The basic functional principle of heat pipe: typical heat pipe is made up of shell, liquid-sucking core and end cap, fills with appropriate hydraulic fluid after being pumped into negative pressure in pipe, make to be close to be full of liquid in the liquid-sucking core capillary-porous material of inside pipe wall after sealed.One end of pipe is evaporation section (bringing-up section), and the other end is condensation segment (cooling section).Liquid carburation by evaporation when one end of heat pipe is heated in capillary wick, steam flows to other end releasing heat and condenses into liquid under small pressure reduction, and liquid flows back to evaporation section along porous material by the effect of capillary force again.Endlessly, heat just reaches the other end by one end of heat pipe in circulation like this.Heat pipe utilizes in medium liquid phase phase transition process to absorb and discharge amount of heat to reach heat transfer object briefly, simultaneously it or passive component, therefore the reasonable application of hot pipe technique is the ideal chose that Cubicle Gas-Insulated Switchgear gas tank unit dispels the heat.
Due to the particularity of existing Cubicle Gas-Insulated Switchgear gas tank unit self scheme, directly cannot adopt hot pipe technique within it: first, the gas tank unit of Cubicle Gas-Insulated Switchgear is a sealing stainless steel casing being filled with low pressure gas, and heat pipe can not directly stretch into gas tank inside; Secondly the volume of Cubicle Gas-Insulated Switchgear gas tank unit is little, and the casing of ground connection, close to high-voltage charged body, does not have enough spaces to arrange heat-pipe radiating apparatus in casing.
Utility model content
Use for existing switchgear gas tank unit the problem that conventional aluminum Section Bar Heat Sinks radiating efficiency is low and use fan forced convection radiating mode fan life short, the purpose of this utility model is the heat abstractor providing a kind of efficient switchgear.
In order to achieve the above object, the utility model adopts following technical scheme:
For a heat abstractor for switchgear, described heat abstractor comprises:
Gas tank unit pilot hole sealed aluminum flanged plate, the pilot hole of described gas tank unit pilot hole sealed aluminum flanged plate to Cubicle Gas-Insulated Switchgear gas tank unit mounted inside parts carries out shutoff, sealing gas tank, and the heat of gas tank inside is passed to heat-pipe elements;
Heat-pipe elements, described heat-pipe elements is placed on gas tank unit pilot hole sealed aluminum flanged plate by heat pipe pressing plate;
Fin fin, described fin heat sink provision is on heat-pipe elements.
In the preferred version of this heat abstractor, described gas tank unit pilot hole sealed aluminum flanged plate, its upper surface has group leader's stripe shape rectangular channel, and for burying heat pipe underground, another surface is for installing sealing strip sealing gas tank.
Further, described heat-pipe elements comprises at least one heat pipe, every root heat pipe is by the bringing-up section be interconnected and cooling section, and described bringing-up section is pressed on gas tank unit pilot hole sealed aluminum flanged plate by heat pipe pressing plate, and described cooling section is located in fin fin.
Further, described heat pipe pressing plate, its lower surface has group leader's stripe shape rectangular channel for fixing heat pipe.
Heat abstractor that the utility model provides adopt compact and cleverly structure make heat-pipe elements can be good at being placed on the gas tank of sealing, and whole heat abstractor volume is little, the capacity of heat transmission is strong, the heat of the comparable common metal of Unit Weight many transmission order of magnitude; Simultaneously when dispelling the heat, this device is coordinated by the heat transfer between each parts, can realize the natural heat dissipation of Cubicle Gas-Insulated Switchgear gas tank unit.
Moreover all parts of this heat abstractor are all passive component, do not need to consume the energy, long service life; And this construction for heat radiating device is simply with low cost.
Accompanying drawing explanation
The utility model is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is main TV structure schematic diagram of the present utility model;
Fig. 2 is that the A-A of Fig. 1 is to sectional structure schematic diagram;
Fig. 3 is the close-up schematic view of Fig. 2;
Fig. 4 is axle side of the present utility model decomposing schematic representation;
Fig. 5 is that the utility model is at Cubicle Gas-Insulated Switchgear gas tank cellular installation position view;
Fig. 6 be after the utility model is applied to Cubicle Gas-Insulated Switchgear gas tank internal gas to flow diagram.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
See Fig. 1, it is depicted as the structural representation of the heat abstractor for Cubicle Gas-Insulated Switchgear gas tank unit that the utility model provides.
As seen from the figure, this device 100 mainly comprises gas tank unit pilot hole sealed aluminum flanged plate 101, heat-pipe elements 102, heat pipe pressing plate 103 and these four parts of fin fin 104.
Wherein, gas tank unit pilot hole sealed aluminum flanged plate 101, it is for the inner pilot hole after parts have assembled in shutoff gas tank unit of Cubicle Gas-Insulated Switchgear gas tank unit, gas tank unit is sealed, conduct by the heat of closed gas tank inside simultaneously, this heat is passed to heat pipe 102.
Concrete, this gas tank unit pilot hole sealed aluminum flanged plate 101, its upper surface has group leader's stripe shape rectangular channel, and for burying heat pipe underground, another surface is for installing sealing strip sealing gas tank.
Heat-pipe elements 102, is pressed on gas tank unit pilot hole sealed aluminum flanged plate 101 by heat pipe pressing plate 103, conducts fast the heat that this gas tank unit pilot hole sealed aluminum flanged plate 101 transmits.
Concrete, heat-pipe elements 102 is made up of at least one heat pipe 102a, as an example, adopts three heat pipe 102a to form in illustrated example.Form being set up in parallel of the some even distances of heat pipe 102a of heat-pipe elements 102, and be pressed on gas tank unit pilot hole sealed aluminum flanged plate 101 by heat pipe pressing plate 103.
See Fig. 2 and Fig. 3, the every root heat pipe 102a entirety forming heat-pipe elements 102 is the ring-type formed that is interconnected by bringing-up section B and cooling section C.In order to reach improve heat transfer between heat pipe 102a and gas tank unit pilot hole sealed aluminum flanged plate 101 and and heat-transfer effect between heat pipe 102a and fin fin 104, ring-type heat pipe 102a entirety is rectangle, wherein bringing-up section B and cooling section C is linearly, so both be convenient to the installation of heat pipe 102a and other parts, the heat-transfer effect between them can be ensured again; And each heat pipe heat after a complete heat absorption heat release circulation is just delivered to cooling section C by bringing-up section B.
For above-mentioned structure heat-pipe elements 102 when mounted, the heat pipe 102a of every root ring-type is wherein arranged perpendicular to gas tank unit pilot hole sealed aluminum flanged plate 101, bottom it, the bringing-up section B of linearity is covered by heat pipe pressing plate 103 and is pressed on gas tank unit pilot hole sealed aluminum flanged plate 101, the cooling section C of upper straight shape, be then located in fin fin 104.The bringing-up section B of every root heat pipe 102a absorbs from internal work liquid evaporation gasification after the heat of gas tank unit pilot hole sealed aluminum flanged plate 101 thus, take away the heat of bringing-up section simultaneously, working solution after gasification becomes liquid to be again back to bringing-up section under the capillary force effect of tube wall capillary structure in cooling section C regelation after fin fin 104 absorbs heat, material is thus formed complete cycle heat being delivered to fin fin 104 from gas tank unit pilot hole sealed aluminum flanged plate 101.
Heat pipe pressing plate 103 is for firm for the every root heat pipe in heat-pipe elements 102 is pressed on gas tank unit pilot hole sealed aluminum flanged plate 101, makes every root heat pipe can both carry out sufficient heat exchange with gas tank unit pilot hole sealed aluminum flanged plate 101.
For this reason, this heat pipe pressing plate 3, its lower surface has group leader's stripe shape rectangular channel for fixing heat pipe.
Fin fin 104, its entirety is placed on the cooling section of every root heat pipe in heat-pipe elements 102, is dispersed in ambient atmosphere for the heat transmitted by every root heat pipe 102a cooling section.
As shown in Figure 4, this fin fin 104 is made up of some fin of arranged in parallel, be integrally provided on the outer surface of heat pipe pressing plate 103, and along its bearing of trend arranged side by side offer the some through holes corresponding with heat pipe in heat-pipe elements 102, the cooling section that these through holes can hold heat pipe passes, and the every sheet fin in fin fin 104 is all contacted with the cooling section of the heat pipe passed carry out heat exchange.Thus, fin fin 104 is matched with heat pipe by the through hole on it, every root heat pipe in heat-pipe elements 102 is all located in wherein, some like this ring-type heat pipes are fixed fin fin 104, be fixed on heat pipe pressing plate 103, fin fin 104 limits the some ring-type heat pipes worn within it simultaneously, makes it be in vertical state relative to gas tank unit pilot hole sealed aluminum flanged plate 101; Moreover in fin fin 104, every sheet fin all contacts with the cooling section of the every root heat pipe passed and carries out heat exchange, effectively ensures radiating effect.
The heat abstractor for Cubicle Gas-Insulated Switchgear gas tank unit formed thus, it operationally, heat pipes heat section (B region) is working solution steam raising in pipe after absorption is from the heat of gas tank unit pilot hole sealed aluminum flanged plate 101, takes away amount of heat simultaneously.
Working solution after gasification arrives cooling section (C region), heat is dispersed in surrounding environment after being absorbed by fin fin 104, the working solution simultaneously gasified liquefies again, under the capillary force effect of inner tubal wall capillary structure, be again back to bringing-up section, so just define the cyclic process of a complete absorption heat and release heat.
This programme is further illustrated below by way of an embody rule example:
See Fig. 5, it is depicted as in this example at Cubicle Gas-Insulated Switchgear gas tank unit typical installation locations schematic diagram.Due to Cubicle Gas-Insulated Switchgear run time, its primary equipment is completely enclosed within airtight gas tank 200 and 300, the heat that main circuit conductor produces can only with the gas exchanges in gas tank, again because Cubicle Gas-Insulated Switchgear gas tank is generally made up of stainless steel, stainless conductive coefficient is little, is delivered to extraneous heat extremely limited from gas tank wall.
For arranging some pack heat dissipation devices 100 at the top of airtight gas tank 200 sidewall and gas tank 300 in this this example, the quantity of heat abstractor 100 can be determined according to the actual requirements, and between the heat abstractor 100 that each gas tank is arranged, array is arranged.
See Fig. 6, it to be depicted as after installation heat abstractor gaseous exchange schematic diagram in Cubicle Gas-Insulated Switchgear gas tank.As seen from the figure, in the gas tank closed, the gas be positioned on gas tank around heat abstractor absorbs after heat cooling through heat abstractor 100, will comparatively hot gas mineralization pressure be poor with surrounding, and then in gas tank, form free convection (direction, front in figure in gas tank 200 and 300 is circulative convection direction), endlessly heat is delivered in space outerpace by heat abstractor 100 from gas tank 200 and 300, realizes the natural heat dissipation of Cubicle Gas-Insulated Switchgear gas tank unit.Wherein, the radiation processes of heat abstractor 100 is described above, is not repeated herein.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. for a heat abstractor for switchgear, it is characterized in that, described heat abstractor comprises:
Gas tank unit pilot hole sealed aluminum flanged plate, the pilot hole of described gas tank unit pilot hole sealed aluminum flanged plate to Cubicle Gas-Insulated Switchgear gas tank unit mounted inside parts carries out shutoff, sealing gas tank, and the heat of gas tank inside is passed to heat-pipe elements;
Heat-pipe elements, described heat-pipe elements is placed on gas tank unit pilot hole sealed aluminum flanged plate by heat pipe pressing plate;
Fin fin, described fin heat sink provision is on heat-pipe elements.
2. a kind of heat abstractor for switchgear according to claim 1, it is characterized in that, described gas tank unit pilot hole sealed aluminum flanged plate, its upper surface has group leader's stripe shape rectangular channel, for burying heat pipe underground, another surface is for installing sealing strip sealing gas tank.
3. a kind of heat abstractor for switchgear according to claim 1, it is characterized in that, described heat-pipe elements comprises at least one heat pipe, every root heat pipe is by the bringing-up section be interconnected and cooling section, described bringing-up section is pressed on gas tank unit pilot hole sealed aluminum flanged plate by heat pipe pressing plate, and described cooling section is located in fin fin.
4. a kind of heat abstractor for switchgear according to claim 1, is characterized in that, described heat pipe pressing plate, and its lower surface has group leader's stripe shape rectangular channel for fixing heat pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420873322.2U CN204361535U (en) | 2014-12-30 | 2014-12-30 | A kind of heat abstractor for switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420873322.2U CN204361535U (en) | 2014-12-30 | 2014-12-30 | A kind of heat abstractor for switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204361535U true CN204361535U (en) | 2015-05-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420873322.2U Expired - Fee Related CN204361535U (en) | 2014-12-30 | 2014-12-30 | A kind of heat abstractor for switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204361535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577825A (en) * | 2014-12-30 | 2015-04-29 | 上海天灵开关厂有限公司 | Heat dissipation device for switch device |
-
2014
- 2014-12-30 CN CN201420873322.2U patent/CN204361535U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577825A (en) * | 2014-12-30 | 2015-04-29 | 上海天灵开关厂有限公司 | Heat dissipation device for switch device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20201230 |