CN201373616Y - Energy saving refrigeration system - Google Patents
Energy saving refrigeration system Download PDFInfo
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- CN201373616Y CN201373616Y CN200920068469U CN200920068469U CN201373616Y CN 201373616 Y CN201373616 Y CN 201373616Y CN 200920068469 U CN200920068469 U CN 200920068469U CN 200920068469 U CN200920068469 U CN 200920068469U CN 201373616 Y CN201373616 Y CN 201373616Y
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Abstract
The utility model relates to a refrigeration system, in particular to an energy saving refrigeration system, which is mainly used on a refrigeration equipment provided with a compressor. The structure thereof comprises a compressor, a condenser, a dry-filter, a throttle expansion valve, an evaporator and an air-exhaust cooling heat-returning device. The output end of the compressor is connected with the air-exhaust cooling heat-returning device, the condenser, the dry-filter, the throttle expansion valve and the evaporator in sequence; the other end of the evaporator is connected with the air return tube of the compressor after passing through the air-exhaust cooling heat-returning device. On one hand, the energy saving refrigeration system can directly cool the exhausted air of the compressor, and reduce the cooling load of the condenser of the refrigeration system, thereby further increasing the subcooling degree of the refrigeration system; on the other hand, the energy saving refrigeration system use the refrigerant steam after evaporation to effectively overheat, thereby further improving the performance coefficients of the refrigeration system. The energy saving refrigeration system has the advantages of simple structure, easy manufacturing and low cost, can run for a long term, is not needed to be maintained, does not directly consume mechanical energies and can improve the comprehensive performance of the refrigeration system, and the like.
Description
Technical field
The utility model relates to a kind of refrigeration system, relates in particular to a kind of energy-saving refrigeration system.
Background technology
Along with the development of society, electric refrigerator is more and more universal, and the power saving of refrigeration device more and more receives publicity.The present domestic displaying refrigerator-freezer that is used for big or small market on average consumes energy bigger, and loss of refrigeration capacity is also big simultaneously, and different refrigeration requirement has different loss of refrigeration capacity.
Existing refrigeration system generally is made up of compressor, condenser, filter, choke valve and evaporimeter etc., charges into an amount of cold-producing medium in refrigeration system.High pressure refrigerant liquid in condenser enters evaporimeter through the choke valve step-down, and the start vaporizer heat absorption makes internal cooling under the low pressure condition; Absorbed heat in the cabinet, in-cabinet temperature is reduced.The cold-producing medium that is evaporated to gas is drawn onto in the machine by compressor, and the compressed HTHP gaseous state that becomes is delivered to condenser.When flowing through condenser, condense for liquid, deliver in the cabinet once more through choke valve to the ambient air heat radiation.Said process goes round and begins again and ceaselessly carries out, and finishes continuous kind of refrigeration cycle.So constantly circulation just can make temperature inside lower.In whole circulation, cold-producing medium is to absorb heat in the cabinet by evaporimeter, by condenser the heat that absorbs is dispersed into outside the cabinet again.
Said structure need consume a large amount of electric energy, therefore, how further to reduce the energy consumption of showing refrigerator-freezer and just seem necessary, if can on its refrigeration system, realize the energy-conservation of a certain link, improve the coefficient of performance of whole refrigeration system, so just can saves energy, reduce State Grid's pressure greatly.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the technological deficiency that exists in the existing display refrigerator refrigeration system, and provide a kind of simple in structure, improve the heat exchange efficiency between refrigeration system return-air and the exhaust, utilization enters cold-producing medium effectively overheated of compressor, make the refrigerant temperature that enters condenser reduce, improve the energy-saving refrigeration system of performance of refrigerant systems coefficient.
For solving the problems of the technologies described above, the utility model is achieved by following technical proposals:
A kind of energy-saving refrigeration system, comprise compressor 1, condenser 3, device for drying and filtering 4, throttle expansion valve 5 and evaporimeter 6, it is characterized in that: described refrigeration system also comprises an exhaust cooling back-heating device 2, the output of described compressor 1 is connected with exhaust cooling back-heating device 2, condenser 3, device for drying and filtering 4, throttle expansion valve 5 and evaporimeter 6 successively, and the other end of described evaporimeter 6 is connected with the muffler of compressor 1 by exhaust cooling back-heating device 2 backs.
Described exhaust cooling back-heating device 2 comprises evaporator outlet adapter 7, return-air-exhaust gas heat exchanging pipe 8, compressor return air adapter 9 and compressor exhaust pipe 10; One end of described return-air-exhaust gas heat exchanging pipe 8 and evaporator outlet are taken over 7 and are welded together, and the other end of return-air-exhaust gas heat exchanging pipe 8 and compressor return air are taken over 9 and welded together, and constitute a return-air circulation device that is communicated with; Described compressor exhaust pipe 10 directly carries out integrally welded from compressor 1 output back and return-air-exhaust gas heat exchanging pipe 8, constitute muffler-blast pipe heat exchanger, is connected with condenser 3 through the blast pipe after the heat exchange again.
In the utility model, described piping connection portion all adopts oxygen welding or soldering or the weldering of argon fluorine to connect.
In the utility model, described exhaust cooling back-heating device 2 is a double pipe heat exchanger.
In the utility model, the material of described return-air-exhaust gas heat exchanging pipe 8 can be copper pipe, aluminum pipe or Bandaid pipe.
The beneficial effects of the utility model, the utility model is owing to adopt said structure, made full use of the exchange heat between the compressor return air pipe and blast pipe in the refrigeration system, utilization is directly carried out exchange heat by the refrigerant vapour that evaporimeter comes out by muffler and compressor exhaust pipe, one side is the cooling compressor blast pipe directly, reduce the refrigerant vapour temperature that enters condenser, and then reduce the condensation load of refrigeration system operation, increase the degree of supercooling of system; Can utilize the effectively overheated of the refrigerant vapour that enters compressor on the other hand, thereby effectively utilize the heat in the refrigeration system, improve the coefficient of performance of refrigeration system.
In sum, the utility model-a kind of energy-saving refrigeration system have simple in structure, easy to manufacture, cost is low, do not have any moving component, can long-time running, Maintenance free, directly do not consume mechanical energy, can realize effectively advantage such as exchange of heat; Can connect mutually with refrigeration system pipeline at an easy rate, be applicable to the display refrigerator refrigeration system, become refrigeration system and realize energy-conservation most important parts, thereby realize reducing refrigerator complete machine power consumption, reach purpose of energy saving.
Description of drawings
Fig. 1 is the utility model operation principle schematic diagram;
Fig. 2 is a structural representation of the present utility model.
Among accompanying drawing 1 and Fig. 2,1-compressor, 2-exhaust cooling back-heating device, 3-condenser, 4-device for drying and filtering, 5-throttle expansion valve, 6-evaporimeter, the adapter of 7-evaporator outlet, 8-return-air-exhaust gas heat exchanging pipe, 9-compressor return air are taken over, the 10-compressor exhaust pipe.
The specific embodiment
Below in conjunction with accompanying drawing, describe the specific embodiment of this energy-saving refrigeration system in detail.
Referring to shown in Figure 1, a kind of energy-saving refrigeration system comprises compressor 1, exhaust cooling back-heating device 2, condenser 3, device for drying and filtering 4, throttle expansion valve 5, evaporimeter 6.The output of described compressor 1 is connected with exhaust cooling back-heating device 2, condenser 3, device for drying and filtering 4, throttle expansion valve 5 and evaporimeter 6 successively, and the other end of described evaporimeter 6 is connected with the muffler of compressor 1 by exhaust cooling back-heating device 2 backs.
Referring to shown in Figure 2, above-mentioned refrigeration system exhaust cooling back-heating device 2 comprises evaporator outlet adapter 7, return-air-exhaust gas heat exchanging pipe 8, compressor return air adapter 9 and compressor exhaust pipe 10.Described return-air-exhaust gas heat exchanging pipe 8 left ends and evaporator outlet are taken over 7 and are welded together, and right-hand member and compressor return air are taken over 9 and welded together, and constitute a return-air circulation device that is communicated with; Compressor exhaust pipe 10 directly carries out oxygen welding from compressor 1 output back with return-air-exhaust gas heat exchanging pipe 8 and is connected, constitute muffler-blast pipe heat exchanger, be refrigeration system exhaust cooling back-heating device 2 described in the utility model, be connected with condenser 3 again through the blast pipe after the heat exchange then.
Evaporimeter 6 to the muffler of compressor carries out oxygen welding by a heat exchange copper tube and blast pipe and is connected, constitute muffler-blast pipe heat exchanger, soaker through exchange heat directly links to each other with condenser 3, connect device for drying and filtering 4, throttle expansion valve 5 and evaporimeter 6 afterwards successively, cold-producing medium by evaporimeter 6 outlets circulates in muffler-blast pipe heat exchanger, compressor 1 blast pipe is directly cooled off, reduce delivery temperature, in addition, can raise through the refrigerant vapour temperature after the heat exchange, utilize the effectively overheated of refrigerant vapour, entered compressor 1 then.
In the utility model, described piping connection portion all adopts oxygen welding or soldering or the weldering of argon fluorine to connect.
In the utility model, described exhaust cooling back-heating device 2 is a double pipe heat exchanger, and the pipeline material of described return-air-exhaust gas heat exchanging pipe 8 can be selected copper pipe, aluminum pipe or Bandaid pipe for use, and other can use the pipeline material in the refrigeration plant.
Embodiment one
Refrigeration system exhaust cooling back-heating device 2 as described in Figure 2 comprises evaporator outlet adapter 7, return-air-exhaust gas heat exchanging pipe 8, compressor return air adapter 9 and compressor exhaust pipe 10.It is common copper pipe or aluminum pipe that described evaporator outlet takes over 7, and internal diameter is 16mm, and length is about 150mm; Return-air-exhaust gas heat exchanging pipe 8 is a copper pipe, and internal diameter is 28mm, and length is about 250mm, and one end and evaporator outlet are taken over 7 and welded together, and the other end and compressor return air are taken over 9 and welded together, and constitute a return-air circulation device that is communicated with; It is common copper pipe or aluminum pipe that compressor return air takes over 9, and internal diameter is 16mm, and length is about 150mm, and length is decided when welding with compressor; Compressor exhaust pipe 10 is common copper pipe or aluminum pipe, internal diameter is 10mm, length is about 500mm, it directly carries out oxygen welding from compressor 1 output back with return-air-exhaust gas heat exchanging pipe 8 and is connected, constitute muffler-blast pipe heat exchanger, be the exhaust cooling back-heating device 2 in the utility model, be about 200mm, be connected with condenser through the part of the blast pipe after the heat exchange with return-air-exhaust gas heat exchanging pipe 8 weld lengths.All pipe joints all adopt oxygen welding or soldering or the weldering of argon fluorine to connect in the utility model.
Range of application of the present utility model is not limited only in the display refrigerator cooling cycle system, as a kind of energy-conservation refrigeration system, can be applied to domestic refrigerator, air-conditioning and other similarly have in the system of compressor, design the compressor that is complementary with original refrigeration system, in refrigeration system, increase the exhaust cooling back-heating energy saver with same heat exchange energy-saving effect.
Claims (5)
1, a kind of energy-saving refrigeration system, comprise compressor (1), condenser (3), device for drying and filtering (4), throttle expansion valve (5) and evaporimeter (6), it is characterized in that: described refrigeration system also comprises an exhaust cooling back-heating device (2), the output of described compressor (1) is connected with exhaust cooling back-heating device (2), condenser (3), device for drying and filtering (4), throttle expansion valve (5) and evaporimeter (6) successively, and the other end of described evaporimeter (6) is connected with the muffler of compressor (1) by exhaust cooling back-heating device (2) back.
2, a kind of energy-saving refrigeration system according to claim 1 is characterized in that: described exhaust cooling back-heating device (2) comprises that evaporator outlet is taken over (7), return-air-exhaust gas heat exchanging pipe (8), compressor return air is taken over (9) and compressor exhaust pipe (10); One end of described return-air-exhaust gas heat exchanging pipe (8) and evaporator outlet are taken over (7) and are welded together, and the other end of return-air-exhaust gas heat exchanging pipe (8) and compressor return air are taken over (9) and welded together, and constitute a return-air circulation device that is communicated with; Described compressor exhaust pipe (10) directly carries out integrally welded from compressor (1) output back and return-air-exhaust gas heat exchanging pipe (8), constitute muffler-blast pipe heat exchanger, is connected with condenser (3) through the blast pipe after the heat exchange again.
3, a kind of energy-saving refrigeration system according to claim 1 and 2 is characterized in that: described piping connection portion all adopts oxygen welding or soldering or the weldering of argon fluorine to connect.
4, a kind of energy-saving refrigeration system according to claim 1 and 2 is characterized in that: described exhaust cooling back-heating device (2) is a double pipe heat exchanger.
5, a kind of energy-saving refrigeration system according to claim 2 is characterized in that: the material of described return-air-exhaust gas heat exchanging pipe (8) is copper pipe or aluminum pipe or Bandaid pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920068469U CN201373616Y (en) | 2009-03-05 | 2009-03-05 | Energy saving refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920068469U CN201373616Y (en) | 2009-03-05 | 2009-03-05 | Energy saving refrigeration system |
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| CN201373616Y true CN201373616Y (en) | 2009-12-30 |
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| CN200920068469U Expired - Lifetime CN201373616Y (en) | 2009-03-05 | 2009-03-05 | Energy saving refrigeration system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799233A (en) * | 2010-03-30 | 2010-08-11 | 南京都乐制冷设备有限公司 | Method for controlling suction temperature of compressor in low temperature refrigeration system |
| CN102345947A (en) * | 2011-08-26 | 2012-02-08 | 郑引河 | Energy-saving multiplier and cooling multiplying method for the same |
| CN102345940A (en) * | 2010-08-05 | 2012-02-08 | 佛山市众越节能环保技术开发有限公司 | Novel refrigeration system with energy system optimization device |
| CN102944082A (en) * | 2012-11-30 | 2013-02-27 | 珠海英伟特电子科技有限公司 | Enhanced vapor injection device of air energy heat pump, control method and water heater for air energy heat pump |
| CN103175323A (en) * | 2011-12-23 | 2013-06-26 | 东普雷股份有限公司 | Refrigeration device using ternary pipe-type heat exchanger |
| CN104236146A (en) * | 2013-06-08 | 2014-12-24 | 重庆美的通用制冷设备有限公司 | Refrigerating circulation system |
| CN104729134A (en) * | 2015-04-07 | 2015-06-24 | 合肥华凌股份有限公司 | Refrigerating system for refrigerator and refrigerator with same |
| CN104896817A (en) * | 2015-06-24 | 2015-09-09 | 台州龙江化工机械科技有限公司 | Exhaust heat recovering device for compressor of refrigerating system |
| CN113639479A (en) * | 2021-07-12 | 2021-11-12 | 青岛海尔空调电子有限公司 | Air conditioning system |
-
2009
- 2009-03-05 CN CN200920068469U patent/CN201373616Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799233A (en) * | 2010-03-30 | 2010-08-11 | 南京都乐制冷设备有限公司 | Method for controlling suction temperature of compressor in low temperature refrigeration system |
| CN101799233B (en) * | 2010-03-30 | 2012-09-05 | 南京都乐制冷设备有限公司 | Method for controlling suction temperature of compressor in low temperature refrigeration system |
| CN102345940A (en) * | 2010-08-05 | 2012-02-08 | 佛山市众越节能环保技术开发有限公司 | Novel refrigeration system with energy system optimization device |
| CN102345947A (en) * | 2011-08-26 | 2012-02-08 | 郑引河 | Energy-saving multiplier and cooling multiplying method for the same |
| CN103175323A (en) * | 2011-12-23 | 2013-06-26 | 东普雷股份有限公司 | Refrigeration device using ternary pipe-type heat exchanger |
| CN102944082A (en) * | 2012-11-30 | 2013-02-27 | 珠海英伟特电子科技有限公司 | Enhanced vapor injection device of air energy heat pump, control method and water heater for air energy heat pump |
| CN104236146A (en) * | 2013-06-08 | 2014-12-24 | 重庆美的通用制冷设备有限公司 | Refrigerating circulation system |
| CN104236146B (en) * | 2013-06-08 | 2016-12-28 | 重庆美的通用制冷设备有限公司 | Cooling cycle system |
| CN104729134A (en) * | 2015-04-07 | 2015-06-24 | 合肥华凌股份有限公司 | Refrigerating system for refrigerator and refrigerator with same |
| CN104896817A (en) * | 2015-06-24 | 2015-09-09 | 台州龙江化工机械科技有限公司 | Exhaust heat recovering device for compressor of refrigerating system |
| CN113639479A (en) * | 2021-07-12 | 2021-11-12 | 青岛海尔空调电子有限公司 | Air conditioning system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091230 |
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| CX01 | Expiry of patent term |