CN101469715A - Compressor case heat interchanger - Google Patents
Compressor case heat interchanger Download PDFInfo
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- CN101469715A CN101469715A CNA2007103040246A CN200710304024A CN101469715A CN 101469715 A CN101469715 A CN 101469715A CN A2007103040246 A CNA2007103040246 A CN A2007103040246A CN 200710304024 A CN200710304024 A CN 200710304024A CN 101469715 A CN101469715 A CN 101469715A
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- compressor
- compressor case
- cover body
- heat interchanger
- upper cover
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Abstract
The present invention relates to a compressor housing heat interchanger, wherein the heat interchanger includes a compressor outer housing and a sleeve barrel or a serpentinepipe sleeved over the outer housing; a enclosed cavity is set between the compressor outer housing and the sleeve barrel; a grizzly screen is set in the cavity between the compressor outer housing and the sleeve barrel; the sleeve barrel comprises a housing jacket, an upper cover body and a lower cover body; the upper cover body and the lower cover body connects with the housing jacket as a whole; a strut member of the compressor is set on the inner surface of the upper cover body and the lower cover body; or connects the compressor outer housing with the inner surface of the upper cover body and the lower cover body directly. The advantages of the invention are as following: direct cooling of the compressor outer housing is realized; heat exchange area is huge; heat exchange is even; work can be done under pressure; can be added on the outer housing of the finished compressor, or better be integrated with the compressor as a whole when assembling the compressor directly; can realize sufficient heat exchange under small difference in temperature.
Description
Technical field
The present invention relates to a kind of heat exchanger, particularly be connected as a single entity with compressor, is the hot and cold water exchanger of medium with water.
Background technique
Electric-motor drive unit such as rotor compressor, vortex compression at present and compression unit are the compressor of one, because its volume is little, are widely used in minitype air conditioner unit and domestic air conditioning.Along with the exploitation and the production of heat pump water heater, it is the heat pump water heater of main purpose that above-mentioned incorporate compressor also is applied to heat.Yet same compressor is used for air-conditioning and can works finely, and the problem that is used on the heat pump water heater is a lot.
Problem mainly contains:
1, overheat of compressor frequently takes place, and generation is summer or winter all arranged.
2, lack the working life of compressor,, mostly be motor overheating and burn generally with regard to 1-3.
3, complete machine heating performance in the winter time is low, and water temperature can not show a candle to the water temperature that heats in summer, heats the efficiency coefficient and also descends very fast.
Be widely used in the small-sized integrated compressor of air-conditioning now, the maturation that possesses skills, lower-cost advantage, but heat performing poor of application facet at heat pump.Key to the issue is that existing heat pump water heater does not solve that harmful heating (compressor electric motor heating etc.) must discharge and heat (comprise being harmful to and generate heat) causes heating performance this a pair of contradiction that descends again to environment release.
The cooling of existing small-sized integrated compressor is a natural cooling type, have simple in structure, advantage that need not cooling system, but cooling effect is subjected to the influence of environment big, under the heating condition of heat pump water heater, the natural cooling effect in summer is not enough, causes overheat of compressor, winter, heat dissipation was excessive, and the heating effect of compressor descends greatly.The work of the long-time high strength of the compressor of heat pump water heater, poor efficiency finally causes compressor to be scrapped in advance.
The mode of the natural cooling that existing compressor is own has restricted the performance performance of compressor at the heat pump heating condition, is necessary to implement more effective cooling means, can select compulsory air cooling, another kind be exactly Forced water cooling but.
Compulsory air cooling is generally strengthened convection current by casing or heating position are carried out the blower fan air blast, improves the purpose of cooling effect.But the heat of cooling after taking away is difficult to reclaim (being lost in the air draught), improved cooling as a result, and heat loss has aggravated, and attends to one thing and lose sight of another.
Utilize the water system of heat pump water heater self to realize that Forced water cooling but, need not establish cooling recirculation system in addition, and have the effect that cooling and heat recovery get both simultaneously.But the mode of conventional water jacket cooling also is not suitable for the situation of heat pump water heater, the cooling effect in the time of can't satisfying the little temperature difference, and processing technology complexity.Therefore, the compressor case heat interchanger of using at heat pump water heater should be a brand-new design specially, and with existing compressor machine fine adaptability is arranged, and technology realizes easily.
Summary of the invention
The objective of the invention is a kind of compressor case heat interchanger of using at heat pump water heater of specialized designs, it being had and have the compressor machine now has fine adaptability, and technology realizes easily.Utilize the water system of heat pump water heater self to realize that Forced water cooling but, need not establish cooling recirculation system in addition, and have the effect that cooling and heat recovery get both simultaneously.
For achieving the above object, technological scheme of the present invention is to adopt a kind of compressor case heat interchanger, described heat exchanger comprises: compressor case and the sleeve or the coil pipe that are sleeved on the described shell are the cavitys of a sealing between wherein said compressor case and the described sleeve.
Wherein, be provided with grid in the cavity between described compressor case and described sleeve.
Wherein, described sleeve comprises valve jacket, upper cover body, lower cover, described upper cover body, lower cover and described valve jacket, connect as one, be provided with the supporting element of compressor at described upper cover body, lower cover internal surface, or described compressor case and described upper cover body, lower cover internal surface are directly linked together.
Wherein, described cover valve jacket, upper cover body, lower cover are made by steel, and described connection is welding.
Wherein, described valve jacket is barrel-shaped, and described upper cover body, the lower cover shape is identical is circular planes shape or hollow cone annular or hollow spheres annular.
Wherein, be provided with water intake and water outlet on described upper cover body and lower cover, described water intake and water outlet are separately positioned on the edge of the both sides of valve jacket central axis near upper cover body and lower cover.
Wherein, on described valve jacket, be provided with or be not provided with the compressor refrigerant air inlet mouth of pipe.
Wherein, described grid is the join end to end tinsel of continuous bend or bending of a slice, and the tinsel of described continuous bend or bending is in the cavity that vertically is installed between described compressor case and the described sleeve; Described grid also can be along the equally distributed some tinsels of compressor case, described some tinsels be vertical and valve jacket and or compressor case be connected as a single entity, described continuous bending tinsel or some tinsels also can be along transverse bending or bendings.
Wherein, described tinsel is copper sheet or aluminium flake.
Wherein, be the metal tube that import and export are arranged that is wrapped in the compressor case appearance at described coil pipe, described metal tube is copper pipe or aluminum pipe.
Advantage of the present invention and technique effect are, the present invention has realized direct cooling compressor shell, and heat exchange area is big, heat exchange is even, but pressure-bearing work, both can on the shell of finished product compressor, set up, and be more suitable for compressor production when assembling directly to become one, so can realize the abundant heat exchange under the little temperature difference with compressor.
Application facet at heat pump water heater, superior little temperature difference heat-exchange performance means that compressor is in the safety temperature scope that can bear, hot water that can the output higher temperature, to be limited to 100 ℃ on the compression case operating temperature is example, the highest produce 80 ℃ of hot water and compressor not overheated, in other words, promptly use very the hot water of high-temperature to make the cooling effect that cooling liquid also can guarantee compressor.
Description of drawings
Fig. 1 is STRUCTURE DECOMPOSITION figure of the present invention;
Fig. 2 is that the present invention assembles schematic representation;
Fig. 3 is a finished product stereogram of the present invention;
Fig. 4 is water intake of the present invention and water outlet mounting point schematic representation.
Among the figure: 1, upper cover body; 2, valve jacket; 3, lower cover; 4, grid; 5, water intake, water outlet; 6, the compressor refrigerant air inlet mouth of pipe; 7, compressor.
Embodiment
Following examples are used to illustrate the present invention, but are not used for limiting practical range of the present invention.
To shown in the accompanying drawing 4, embodiment of the present invention are to adopt to load onto a sleeve or coil pipe at the compressor case overcoat, make the cavity that forms a sealing between the compressor case sleeve as accompanying drawing 1.The grid of packing in the cavity between compressor case and sleeve.
Sleeve of the present invention comprises valve jacket 2, upper cover body 1, lower cover 3, upper cover body 1, lower cover 2 are welded together with valve jacket 2, on the internal surface of upper cover body 1, lower cover 3, can be welded with the supporting element of compressor, or the internal surface of described compressor case and upper cover body 1, lower cover 3 is directly welded together.
Valve jacket 2 of the present invention is that cylinder is barrel-shaped, and upper cover body 1, lower cover 3 shapes are identical is hollow billiard table shape.
The present invention is provided with water intake and water outlet 5 on upper cover body 1 and lower cover 3, water can be flowed into by lower cover 3 by upper cover body 1 and flow out, and also can be flowed into by upper cover body 1 by lower cover 3 and flow out.Water intake and water outlet 5 are separately positioned on the edge of the both sides of valve jacket 2 central axis near upper cover body 1 and lower cover 3, just on the sphere of hollow ball.
The present invention can leave the machine refrigerant air inlet mouth of pipe 6 that contracts on valve jacket 2, or is not provided with this refrigerant air inlet mouth of pipe.The refrigerant of compressor is imported and exported and power interface is separately positioned on the upper and lower end of compressor 7, just is arranged on valve jacket 2 and up and down outside 1,3 lids.
Grid 4 among the present invention is join end to end tinsels of continuous bending of a slice, and the tinsel of described continuous bend or bending is in the cavity that vertically is installed between described compressor case and the sleeve; Grid 4 among the present invention is also along the equally distributed some tinsels of compressor case, and described some tinsels are vertical and valve jacket 2 is connected as a single entity, and bending tinsel or some tinsels can also be along transverse bending continuously.Tinsel among the present invention is copper sheet or aluminium flake.
Compressor case heat interchanger also can adopt coil pipe is wrapped in the compressor case appearance in the present invention, and described coil pipe is the metal tube that water intake and water outlet are arranged, and metal tube can adopt copper pipe also can adopt aluminum pipe.
One of mode of execution in the present invention is that the top is water intake, the below is a water outlet, if there is not grid 4, after cooling water enters heat exchanger from water intake, can preferentially select the shortest route between water intake and the water outlet, the result is cooling water a part of film-cooled heat of only flowing through, the current skewness, if grid 4 has been arranged, and above-mentioned status requirement is satisfied in the position of water intake and water outlet, after then cooling water entered heat exchanger from water intake, the annular water route that can form along the lid position evenly was diverted to the above-below direction that grid 4 forms, in the stream that is parallel to each other, flow out from water outlet the back of confluxing in the annular water route of the lid position of bottom formation.Because cooling water enters from water intake, along the shunting of annular water route, flow through any stream of grid 4, the water journey length that is flowed to water outlet again in the annular water route of bottom all is the same, therefore the stream shunting at grid 4 is uniformly, so cooling water is equably along all cooling positions of the top-down cooling of compressor case.
By above-mentioned technological means, compressor case heat interchanger of the present invention has: heat exchange area is big, and heat exchange is even, can be competent at heat exchange and cooling under the little temperature difference.Cooperate appropriate velocity of water circulation and flow, can satisfy the technical requirements of heat pump water heater self hot water cooling compressor fully.
With the RS186V of Mitsubishi compressor is example: input power 1030W, can be used for the long-pending 0.08m2 (not considering that grid 4 has increased the effect of heat exchange area) of surface of shell of direct heat exchange.According to the heat transfer rate empirical value under the Forced water cooling situation: 1000-15000W/m2K, 70 ℃ of water temperatures, 90 ℃ of housings, only under the condition of 20 ℃ of temperature difference, heat exchange quantity can reach 1600W at least.Suitably improve the flow velocity and the flow of water-cooled, heat exchange quantity can also significantly promote, and can satisfy the technical requirements of the hot water cooling compressor that produces with heat pump water heater fully.
More than be preferred forms of the present invention, according to content disclosed by the invention, some identical, replacement schemes that those of ordinary skill in the art can expect apparently all should fall into the scope of protection of the invention.
Claims (11)
1, a kind of compressor case heat interchanger is characterized in that, described heat exchanger comprises: compressor case and the sleeve or the coil pipe that are sleeved on the described shell are the cavitys of a sealing between wherein said compressor case and the described sleeve.
2, compressor case heat interchanger as claimed in claim 1 is characterized in that, is provided with grid (4) in the cavity between described compressor case and described sleeve.
3, compressor case heat interchanger as claimed in claim 1, it is characterized in that, described sleeve comprises valve jacket (2), upper cover body (1), lower cover (3), described upper cover body (1), lower cover (3) with described valve jacket (2), connect as one, be provided with the supporting element of compressor at described upper cover body (1), lower cover (3) internal surface, or described compressor case and described upper cover body (1), lower cover (3) internal surface are directly linked together.
4, compressor case heat interchanger as claimed in claim 3 is characterized in that, described cover valve jacket (2), upper cover body (1), lower cover (3) are made by steel, and described connection is welding.
5, compressor case heat interchanger as claimed in claim 4 is characterized in that, described valve jacket (2) is barrel-shaped, and described upper cover body (1), lower cover (3) shape is identical is circular planes shape, hollow cone annular or hollow spheres annular.
6, compressor case heat interchanger as claimed in claim 5, it is characterized in that, be provided with water intake and water outlet (5) on described upper cover body (1) and lower cover (3), described water intake and water outlet (5) are separately positioned on the edge of the both sides of valve jacket (2) central axis near upper cover body (1) and lower cover (3).
7, compressor case heat interchanger as claimed in claim 6 is characterized in that, is provided with or is not provided with the compressor refrigerant air inlet mouth of pipe (6) on described upper shell (2).
8, compressor case heat interchanger as claimed in claim 2, it is characterized in that, described grid (4) is the join end to end tinsel of continuous bend or bending of a slice, and the tinsel of described continuous bend or bending is in the cavity that vertically is installed between described compressor case and the described sleeve; Described continuous bending tinsel can be along transverse bending or bending.
9, compressor case heat interchanger as claimed in claim 2, it is characterized in that, described grid (4) is along the equally distributed some tinsels of compressor case, described some tinsels be vertical and valve jacket (2) and or compressor case be connected as a single entity, described some tinsels can be along transverse bending or bending.
10, compressor case heat interchanger as claimed in claim 8 or 9 is characterized in that described tinsel is copper sheet or aluminium flake.
11, compressor case heat interchanger as claimed in claim 1 is characterized in that, described coil pipe is copper pipe that import and export are arranged or the aluminum pipe that is wrapped in the compressor case appearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103040246A CN101469715A (en) | 2007-12-24 | 2007-12-24 | Compressor case heat interchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103040246A CN101469715A (en) | 2007-12-24 | 2007-12-24 | Compressor case heat interchanger |
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| Publication Number | Publication Date |
|---|---|
| CN101469715A true CN101469715A (en) | 2009-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007103040246A Pending CN101469715A (en) | 2007-12-24 | 2007-12-24 | Compressor case heat interchanger |
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| CN (1) | CN101469715A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180305A (en) * | 2015-09-16 | 2015-12-23 | 华南理工大学 | Active reinforced cooling device suitable for air conditioner compressor shell |
| CN105937495A (en) * | 2016-06-06 | 2016-09-14 | 中船重工鹏力（南京）超低温技术有限公司 | Oil cooling system for rotor-type compressor during helium compression |
| CN106050673A (en) * | 2016-08-04 | 2016-10-26 | 邢绍校 | Air compressor cooling device and method |
| CN116838610A (en) * | 2023-08-29 | 2023-10-03 | 泉州市中力机电有限公司 | Screw air compressor heat dissipation and heat recovery device |
-
2007
- 2007-12-24 CN CNA2007103040246A patent/CN101469715A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180305A (en) * | 2015-09-16 | 2015-12-23 | 华南理工大学 | Active reinforced cooling device suitable for air conditioner compressor shell |
| CN105180305B (en) * | 2015-09-16 | 2018-01-05 | 华南理工大学 | It is a kind of actively to strengthen heat abstractor suitable for air conditioner compressor housing |
| CN105937495A (en) * | 2016-06-06 | 2016-09-14 | 中船重工鹏力（南京）超低温技术有限公司 | Oil cooling system for rotor-type compressor during helium compression |
| CN105937495B (en) * | 2016-06-06 | 2018-05-15 | 中船重工鹏力（南京）超低温技术有限公司 | A kind of oil cooling system for rotor-type compressor compressed helium |
| CN106050673A (en) * | 2016-08-04 | 2016-10-26 | 邢绍校 | Air compressor cooling device and method |
| CN116838610A (en) * | 2023-08-29 | 2023-10-03 | 泉州市中力机电有限公司 | Screw air compressor heat dissipation and heat recovery device |
| CN116838610B (en) * | 2023-08-29 | 2023-11-17 | 泉州市中力机电有限公司 | Screw air compressor heat dissipation and heat recovery device |
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Application publication date: 20090701 |