CN201373644Y - Energy saving cabinet freezer - Google Patents
Energy saving cabinet freezer Download PDFInfo
- Publication number
- CN201373644Y CN201373644Y CN200920068468U CN200920068468U CN201373644Y CN 201373644 Y CN201373644 Y CN 201373644Y CN 200920068468 U CN200920068468 U CN 200920068468U CN 200920068468 U CN200920068468 U CN 200920068468U CN 201373644 Y CN201373644 Y CN 201373644Y
- Authority
- CN
- China
- Prior art keywords
- cabinet
- compressor
- air
- pipe
- energy
- 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
Images
Abstract
The utility model relates to a cabinet freezer, in particular to an energy saving cabinet freezer, which is mainly used for displaying and storing frozen foods. The structure thereof comprises a cabinet body and a refrigeration system connected with the cabinet body. The refrigeration system comprises a compressor, an air-exhaust cooling heat-returning device, a condenser, a dry-filter, a throttle expansion valve and an evaporator; 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. As the structure is adopted, on one hand, the energy saving cabinet freezer can directly cool the exhausted air of the compressor, and reduce the cooling load of the condenser of the refrigeration system, thereby increasing the subcooling degree of the system; on the other hand, the refrigerant steam after evaporation can be used to effectively overheat, thereby further improving the performance coefficients of the refrigeration system.
Description
Technical field
The utility model relates to a kind of reach in freezer, particularly relates to a kind of energy-saving freezing cabinet.
Background technology
Existing supermarket, chain store, large-scale Food Fair and restaurant often use the food that reach in freezer is deposited needs to keep low temperature.The refrigeration system that this kind reach in freezer generally comprises cabinet and is connected with cabinet.
Existing reach in freezer 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 start vaporizer absorbs heat in the cabinet under the low pressure condition, and 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 the reach in freezer 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.
Above-mentioned refrigeration modes need consume a large amount of electric energy, therefore, the energy consumption that how further to reduce reach in freezer just seems 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 existing big defective of reach in freezer refrigeration system energy consumption, and a kind of energy-saving freezing cabinet is provided.
As follows for solving the problems of the technologies described above the technical solution of the utility model: a kind of energy-saving freezing cabinet, the refrigeration system 2 that comprises cabinet 1 and be connected with cabinet, described refrigeration system 2 comprises compressor 21, condenser 23, device for drying and filtering 24, throttle expansion valve 25 and evaporimeter 26, it is characterized in that: described refrigeration system 2 also comprises an exhaust cooling back-heating device 22, the output of described compressor 21 successively with exhaust cooling back-heating device 22, condenser 23, device for drying and filtering 24, throttle expansion valve 25 is connected with evaporimeter 26, and the other end of described evaporimeter 26 is connected with the muffler of compressor 21 by exhaust cooling back-heating device 22 backs.
Described exhaust cooling back-heating device 22 comprises evaporator outlet adapter 27, return-air-exhaust gas heat exchanging pipe 28, compressor return air adapter 29 and compressor exhaust pipe 20; One end of described return-air-exhaust gas heat exchanging pipe 28 and evaporator outlet are taken over 27 and are welded together, and the other end of return-air-exhaust gas heat exchanging pipe 28 and compressor return air are taken over 29 and welded together, and constitute a return-air circulation device that is communicated with; Described compressor exhaust pipe 20 directly carries out integrally welded from compressor 21 output backs and return-air-exhaust gas heat exchanging pipe 28, constitute muffler-blast pipe heat exchanger, is connected with condenser 23 through the blast pipe after the heat exchange again.
Described piping connection portion all adopts oxygen welding or soldering or the weldering of argon fluorine to connect.
Described exhaust cooling back-heating device 22 is a double pipe heat exchanger.
The material of described return-air-exhaust gas heat exchanging pipe 28 is copper pipe or aluminum pipe or Bandaid pipe.
Be provided with glass door 3 in the front of cabinet 1, be provided with the framework that cooperates with glass door 3 in the front side of cabinet 1, upper/lower terminal at framework is provided with groove, in the groove of lower end, be provided with two closed slides 4, described glass door 3 is divided into two, the upper/lower terminal of these two glass doors 3 all places in upper and lower two grooves of cabinet 1, and is respectively equipped with the assembly pulley 5 that slides in the lower end of two glass doors on two guide rails; Be provided with two back-moving springs 6 in the groove on cabinet 1 top, described back-moving spring 6 one ends link to each other with cabinet 1, and the other end links to each other with glass door 3 respectively.
Described guide rail 4 is skewed, and this incline direction is closed in the process of unlatching from low to high at glass door, and the assembly pulley 5 that cooperates with guide rail 4 also tilts.
The framework of described cabinet 1 both sides is provided with magnetic sealing strip 7, and this magnetic sealing strip 7 matches with a side of glass door 3 closures.
The beneficial effects of the utility model, 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.
The utlity model has 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, thereby realize reducing reach in freezer complete machine power consumption, reach purpose of energy saving.
Reach in freezer of the present utility model can adopt glass to move a mode, and is simple in structure, saves and opens the space, can use in narrower space; In addition because the effect of back-moving spring, make the glass door can automatic homing, really accomplish to shut the door after you, prevent that energy runs off, and then cause the damage of frozen food; Because of the incline structure of guide rail and assembly pulley, can further impel glass door to draw back the back return.
The magnetic sealing strip that is provided with on cabinet plays sealing function on the one hand, plays the effect that resets on the other hand when glass door is soon closed, further reduces energy loss.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the utility model refrigeration system operation principle schematic diagram;
Fig. 3 is the structural representation of the utility model exhaust cooling back-heating device;
Fig. 4 is a side sectional view of the present utility model;
Fig. 5 is the showcase glass door upper end and cabinet syndeton schematic diagram in the utility model;
Fig. 6 is showcase glass door lower end and the cabinet syndeton schematic diagram in the utility model.
Among the figure, 1-cabinet, 2-refrigeration system, 21-compressor, 22-exhaust cooling back-heating device, 23-condenser, 24-device for drying and filtering, 25-throttle expansion valve, 26-evaporimeter, the adapter of 27-evaporator outlet, 28-return-air-exhaust gas heat exchanging pipe, the adapter of 29-compressor return air, 20-compressor exhaust pipe, 3-glass door, 4-guide rail, 5-assembly pulley, 6-back-moving spring, 7-magnetic sealing strip.
The specific embodiment
Below in conjunction with accompanying drawing, describe the energy-saving freezing cabinet in detail.
Referring to illustrated in figures 1 and 2, a kind of energy-saving freezing cabinet, comprise cabinet 1 and with and the refrigeration system 2 that is connected with cabinet, described refrigeration system 2 comprises compressor 21, exhaust cooling back-heating device 22, condenser 23, device for drying and filtering 24, throttle expansion valve 25, evaporimeter 26.The output of described compressor 21 is connected with exhaust cooling back-heating device 22, condenser 23, device for drying and filtering 24, throttle expansion valve 25 and evaporimeter 26 successively, and the other end of described evaporimeter 26 is connected with the muffler of compressor 21 by exhaust cooling back-heating device 2 backs.
Above-mentioned refrigeration system exhaust cooling back-heating device 2 comprises evaporator outlet adapter 27, return-air-exhaust gas heat exchanging pipe 28, compressor return air adapter 29 and compressor exhaust pipe 20.Described return-air-exhaust gas heat exchanging pipe 28 left ends and evaporator outlet are taken over 27 and are welded together, and right-hand member and compressor return air are taken over 29 and welded together, and constitute a return-air circulation device that is communicated with; Compressor exhaust pipe 20 directly carries out oxygen welding from compressor 21 output backs with return-air-exhaust gas heat exchanging pipe 28 and is connected, constitute muffler-blast pipe heat exchanger, it is refrigeration system exhaust cooling back-heating device 22 described in the utility model, be connected with condenser 23 again through the blast pipe after the heat exchange then, referring to Fig. 2 and shown in Figure 3.
Evaporimeter 26 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 23, connect device for drying and filtering 24 afterwards successively, throttle expansion valve 25 and evaporimeter 26, cold-producing medium by evaporimeter 26 outlets circulates in muffler-blast pipe heat exchanger, compressor 21 blast pipes are 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 21 then.
Above-mentioned piping connection portion all adopts oxygen welding or soldering or the weldering of argon fluorine to connect.
Above-mentioned exhaust cooling back-heating device 22 is a double pipe heat exchanger, and the pipeline material of described return-air-exhaust gas heat exchanging pipe 28 can be selected copper pipe, aluminum pipe or Bandaid pipe for use, and other can use the pipeline material in the refrigeration plant.
Above-mentioned reach in freezer can be a refrigerator, also can be showcase or other refrigeration plant.If showcase can be installed mobile glass door 3 in the front side of cabinet 1, described glass door 3 adopts the double layer glass door.Be provided with the framework that cooperates with glass door 3 in the front side of cabinet 1, upper/lower terminal at framework is provided with groove, in the groove of lower end, be provided with two closed slides 4, described glass door 3 is divided into two, the upper/lower terminal of these two glass doors 3 all places in upper and lower two grooves of cabinet 1, and is provided with the assembly pulley 5 that can slide respectively in the lower end of two glass doors on two guide rails; Be provided with two back-moving springs 6 in the upper groove of cabinet 1, an end of described each back-moving spring 6 links to each other with the two ends of cabinet 1, the other end during respectively with closure close glass door 3 link to each other; When glass door 3 drew back, back-moving spring 6 was stretched, and decontroled glass door 3, and glass door resets under the effect of back-moving spring 6, makes glass door 3 get back to initial position, prevented that cold runs off energy savings.Referring to Fig. 3 and Fig. 4 institute not.
Above-mentioned guide rail 4 is skewed, and this incline direction is closed in the process of unlatching from low to high at glass door 3, and promptly when closure, guide rail 3 is parked in the minimum point of inclined guide rails, and in the external force opening process, guide rail from low to high; Automatically return in case the external force of losing, glass door 3 can reset automatically from high to low, make it to be in closed condition, product has more energy-saving effect.At this moment, the assembly pulley 5 that cooperates with guide rail 4 also adopts incline structure, thereby makes the glass door 3 can run-off the straight in moving process, remains at level.Referring to Fig. 5 and shown in Figure 6.
Be provided with magnetic sealing strip 7 on the framework of above-mentioned cabinet 1 both sides, this magnetic sealing strip 7 matches with a side of glass door 3 closures; When closure, play sealing function, and when soon closed because magnetic action each other attracts glass door 3 close to cabinet, also play certain reset response, and then prevent that cold runs off.
Claims (8)
1, a kind of energy-saving freezing cabinet, comprise cabinet (1) and the refrigeration system (2) that is connected with cabinet (1), described refrigeration system (2) comprises compressor (21), condenser (23), device for drying and filtering (24), throttle expansion valve (25) and evaporimeter (26), it is characterized in that: described refrigeration system (2) also comprises an exhaust cooling back-heating device (22), the output of described compressor (21) successively with exhaust cooling back-heating device (22), condenser (23), device for drying and filtering (24), throttle expansion valve (25) is connected with evaporimeter (26), and the other end of described evaporimeter (26) is connected with the muffler of compressor (21) by exhaust cooling back-heating device (22) back.
2, a kind of energy-conservation reach in freezer according to claim 1 is characterized in that: described exhaust cooling back-heating device (22) comprises that evaporator outlet is taken over (27), return-air-exhaust gas heat exchanging pipe (28), compressor return air is taken over (29) and compressor exhaust pipe (20); One end of described return-air-exhaust gas heat exchanging pipe (28) and evaporator outlet are taken over (27) and are welded together, and the other end of return-air-exhaust gas heat exchanging pipe (28) and compressor return air are taken over (29) and welded together, and constitute a return-air circulation device that is communicated with; Described compressor exhaust pipe (20) directly carries out integrally welded from compressor (21) output back and return-air-exhaust gas heat exchanging pipe (28), constitute muffler-blast pipe heat exchanger, is connected with condenser (23) through the blast pipe after the heat exchange again.
3, a kind of energy-saving freezing cabinet 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 freezing cabinet according to claim 1 and 2 is characterized in that: described exhaust cooling back-heating device (22) is a double pipe heat exchanger.
5, a kind of energy-saving freezing cabinet according to claim 2 is characterized in that: the material of described return-air-exhaust gas heat exchanging pipe (28) is copper pipe or aluminum pipe or Bandaid pipe.
6, a kind of energy-saving freezing cabinet according to claim 1 and 2, it is characterized in that: be provided with glass door (3) in the front of cabinet (1), the front side of cabinet (1) is provided with the framework that cooperates with glass door (3), upper/lower terminal at framework is provided with groove, in the groove of lower end, be provided with two closed slides (4), described glass door (3) is divided into two, the upper/lower terminal of these two glass doors (3) all places in upper and lower two grooves of cabinet (1), and is respectively equipped with the assembly pulley (5) that slides in the lower end of two glass doors on two guide rails; Be provided with two back-moving springs (6) in the groove on cabinet (1) top, described back-moving spring (6) one ends link to each other with cabinet (1), and the other end links to each other with glass door (3) respectively.
7, a kind of energy-saving freezing cabinet according to claim 6, it is characterized in that: described guide rail (4) is skewed, and this incline direction is closed in the process of unlatching from low to high at glass door, and the assembly pulley (5) that cooperates with guide rail (4) also tilts.
8, according to the described a kind of energy-saving freezing cabinet of claim 6, it is characterized in that: the framework of described cabinet (1) both sides is provided with magnetic sealing strip (7), and this magnetic sealing strip (7) matches with a side of glass door (3) closure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920068468U CN201373644Y (en) | 2009-03-05 | 2009-03-05 | Energy saving cabinet freezer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920068468U CN201373644Y (en) | 2009-03-05 | 2009-03-05 | Energy saving cabinet freezer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201373644Y true CN201373644Y (en) | 2009-12-30 |
Family
ID=41499730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920068468U Expired - Lifetime CN201373644Y (en) | 2009-03-05 | 2009-03-05 | Energy saving cabinet freezer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201373644Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103851853A (en) * | 2014-03-28 | 2014-06-11 | 合肥华凌股份有限公司 | Heat exchanger and refrigerator using same |
| CN109000414A (en) * | 2018-06-15 | 2018-12-14 | 青岛海尔股份有限公司 | Refrigeration system and refrigerator for refrigerator |
| CN109770628A (en) * | 2019-03-13 | 2019-05-21 | 威廉士制冷设备（东莞）有限公司 | Self-priming mould proof Anti-bacteria cold, hot two-purpose food display cabinet |
| CN111936809A (en) * | 2018-06-27 | 2020-11-13 | Lg电子株式会社 | Vacuum insulation body and refrigerator |
-
2009
- 2009-03-05 CN CN200920068468U patent/CN201373644Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103851853A (en) * | 2014-03-28 | 2014-06-11 | 合肥华凌股份有限公司 | Heat exchanger and refrigerator using same |
| CN109000414A (en) * | 2018-06-15 | 2018-12-14 | 青岛海尔股份有限公司 | Refrigeration system and refrigerator for refrigerator |
| CN111936809A (en) * | 2018-06-27 | 2020-11-13 | Lg电子株式会社 | Vacuum insulation body and refrigerator |
| CN111936809B (en) * | 2018-06-27 | 2022-08-26 | Lg电子株式会社 | Vacuum insulation body and refrigerator |
| CN115289746A (en) * | 2018-06-27 | 2022-11-04 | Lg电子株式会社 | Vacuum insulation body and refrigerator |
| US11740008B2 (en) | 2018-06-27 | 2023-08-29 | Lg Electronics Inc. | Vacuum adiabatic body and refrigerator |
| CN115289746B (en) * | 2018-06-27 | 2024-03-26 | Lg电子株式会社 | Vacuum heat insulation body and refrigerator |
| CN109770628A (en) * | 2019-03-13 | 2019-05-21 | 威廉士制冷设备（东莞）有限公司 | Self-priming mould proof Anti-bacteria cold, hot two-purpose food display cabinet |
| CN109770628B (en) * | 2019-03-13 | 2024-02-06 | 威廉士制冷设备（东莞）有限公司 | Self-suction mould-proof and fungus-proof cold and hot dual-purpose food display cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200955881Y (en) | Continuous defrosting and heating air source heat pump | |
| CN103075831B (en) | Novel air-cooled evaporation type composite refrigeration house refrigerating system | |
| CN104110920B (en) | A kind of air source heat pump system recycling heat of compressor | |
| CN108759138B (en) | Operation method and system of secondary throttling middle incomplete cooling refrigerating system | |
| CN110631268B (en) | Vacuum heat collection and storage type air source heat pump | |
| CN201373616Y (en) | Energy saving refrigeration system | |
| CN107763892A (en) | A kind of defrosting air source heat pump system | |
| CN107560253B (en) | A kind of energy saving defrosting system and its control method of air source heat pump | |
| CN103808102A (en) | Heat-driven defrosting device using natural circulation and defrosting method using same | |
| CN105004089A (en) | Cascaded unit used for both medium-high temperature cold storage house and low temperature cold storage house | |
| CN201373644Y (en) | Energy saving cabinet freezer | |
| CN104121747A (en) | Refrigerating system and refrigerator provided with same | |
| CN201417041Y (en) | Energy saving compressed air pre-cooler | |
| CN104061727A (en) | Air source heat pump defrosting device based on fast evaporation of liquid drops in initial process of frosting | |
| CN106705494A (en) | Air source heat pump energy conservation system with function of preventing air side heat exchanger from freezing | |
| CN214199278U (en) | Air source heat pump unit with fluorine pump defrosting function | |
| CN103900311B (en) | Refrigeration system and use the fridge-freezer of this refrigeration system | |
| CN205048778U (en) | Refrigerating circulating system | |
| CN108759139B (en) | Primary throttling intermediate incomplete cooling refrigeration system with intermediate temperature evaporator | |
| CN201014831Y (en) | DC inverter air-conditioner | |
| CN105928290A (en) | Adsorbing and frost restraining technology based refrigerating system of air-cooled refrigerator | |
| CN103245150B (en) | Air source heat pump defrosting device | |
| CN110145914A (en) | A kind of domestic refrigerator introducing natural cooling source | |
| CN115179716A (en) | Energy-saving efficient refrigerator car using natural cold source and refrigeration method thereof | |
| CN202254536U (en) | Refrigerating system and refrigerator with refrigerating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091230 |