CN2154996Y - Non-freon air cooling refrigerating unit - Google Patents

Non-freon air cooling refrigerating unit Download PDF

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Publication number
CN2154996Y
CN2154996Y CN 93205237 CN93205237U CN2154996Y CN 2154996 Y CN2154996 Y CN 2154996Y CN 93205237 CN93205237 CN 93205237 CN 93205237 U CN93205237 U CN 93205237U CN 2154996 Y CN2154996 Y CN 2154996Y
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CN
China
Prior art keywords
gas
air
outlet
heat exchanger
chamber
Prior art date
Application number
CN 93205237
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Chinese (zh)
Inventor
刘加才
吴祖发
梅大锐
匡淑英
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吴祖发
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Application filed by 吴祖发 filed Critical 吴祖发
Priority to CN 93205237 priority Critical patent/CN2154996Y/en
Application granted granted Critical
Publication of CN2154996Y publication Critical patent/CN2154996Y/en

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Abstract

The utility model relates to a fluorine-free refrigerating device using air as the working medium, comprising a compressor, an air mixing drier, an air collecting, a heat exchanger, a pressure differential refrigerator, and a cold air distributor. The utility model is characterized in that the pressure differential refrigerator is provided with a spherical inner cavity and air inlet pipes which are arranged on both sides and are parallel to each other by being symmetrical with the shaft line of the spherical cavity, a hot air delivery pipe is arranged on the upper part of the refrigerator, and a cold air delivery pipe is arranged on the lower part; the cold air distributor is provided with a spherical inner cavity and a plurality of cold air outlets; the air mixing drier supplies fresh air, refrigerates return air and mixes and dries the return air from the heat exchanger, and the air is supplied to the compressor; the refrigerating system is installed in a box body and is provided with a refrigerated air outlet and a return air inlet for the connection with application devices.

Description

The utility model belongs to a kind of refrigeration plant, particularly a kind of floride-free refrigerating plant that adopts air as refrigeration working medium.
At present both at home and abroad, be applied to be the technology and the device of following several types on Refrigeration Technique such as refrigerator, refrigerator-freezer, antistaling box, domestic air conditioning, air conditioning for automobiles, center air-conditioning, refrigeration machine and the equipment:
The 2. lithium bromide working medium refrigeration 1.CFCs working medium is freezed
3. freeze 4. mixed working fluids refrigeration of ammonia working medium
5. freeze 6. magnetic refrigeration of chemical formula
7. semiconductor refrigerating 8. solar energy (or electric heating) suction, desorption refrigeration
9. freeze 10. air turbines refrigeration of combustion type
In general can divide three major types, i.e. chemical method refrigeration, physical method refrigeration, gas methods refrigeration, more than the Refrigeration Technique of three kinds of methods and the problem that all there is each side in device thereof.
The CFCs material is as the Refrigeration Technique of working medium, comparative maturity, application surface is wider, but the CFCs material has bigger destruction to atmospheric ozone layer, and the Nature and biology, the mankind are had very big harm, by behind internationally recognized and the decision twentieth century in to ban; Other several chemical methodes refrigeration also because of have severe toxicity, inflammable, explosion hazard does not have extensive use value;
Several physical methods refrigeration as: magnetic refrigeration, semiconductor refrigerating etc., all low, power consumption is big, expensive can not get of cost developed because of refrigerating capacity; The turbine air refrigeration is because of can't resolve accessory, assisting vehicle, and is big in also difficult extensive use at present because of consuming energy again.
For solving non-freon refrigeration problem, it is the refrigerator of working medium that the utility model applicant has proposed a kind of air that adopts, and has applied for patent on November 18th, 92, the patent No. 92113032, title: differential pressure refrigeration method and refrigerator.At present, utilizing this is the differential pressure refrigeration device formation refrigerating plant (system) of working medium with the air, does not see report both at home and abroad as yet.
The problem that exists at existing Refrigeration Technique, and, the utility model proposes a kind of novel air formula refrigerating plant to an urgent demand of non-freon Refrigeration Technique.
The purpose of this utility model provides a kind of non-freon air-cooled refrigeration unit, employing is the differential pressure refrigeration device of working medium with the air, and air dry mixed device, compressor, heat exchanger, distributor, the gas collector of new structure, simple in structure, do not need complicated huge cooler or evaporimeter, and non-toxic efficient, inexpensive.
The utility model non-freon air-cooled refrigeration unit is grouped into by source of the gas part, refrigerating part, heat exchanger assembly and chest portion.
Source of the gas partly comprises compressor, gas mixing dryer, gas collector, oil and water filters;
Gas mixing dryer comprises inlet chamber, drier, wind pushing cavity and the motor that links to each other successively, and the inlet chamber front end has an air inlet to be connected with the gas outlet of gas collector and the return-air outlet of heat exchanger, and this inlet chamber wall has steel mesh to communicate with the external world; Described wind pushing cavity has a gas outlet;
The air inlet of compressor is connected with the air-supply gas outlet of above-mentioned gas mixing drier, and gas outlet one oil and water filters of compressor is connected with heat exchanger; Gas collector is equiped with a plurality of times collection and goes into tracheae collecting the return-air of refrigeration application equipment, and has an escape pipe and link to each other with the air inlet of described gas mixing dryer;
Refrigerating part comprises differential pressure refrigeration device, distributor and two gas path control valves; The differential pressure refrigeration device comprises that one has the outer solid of spherical inner chamber, and corrosion-resistant thermal insulation coating liner is arranged in the chamber, and an air inlet pipe respectively is equipped with the parallel symmetry of spherical cavity axis in the relative both sides of solid outside this, and nozzle is equipped with in air inlet pipe the inner, and the nozzle front end is a thin footpath straight tube; One cold air delivery line is arranged under the spherical cavity, and there is a hot gas delivery line spherical cavity top, at the heat outlet place one adjusting lever is arranged, in order to regulate the ratio and the temperature of hot and cold air;
Cold conduit and heat pipe are connected with an inlet of two triple valves respectively;
Distributor comprises air intake, a plurality of cold air gas outlet and another gas outlet that is connected with heat exchanger that is connected with cold conduit that is connected with an outlet of two triple valves; Refrigerant gas is evenly exported by a plurality of cold conduits and is delivered to application apparatus;
Another outlet of two triple valves is communicated with a water spilage tray;
Heat exchanger is installed between source of the gas part and the refrigerating part, and the thermal current inlet of heat exchanger is connected with the compressed air oil and water filters outlet of described source of the gas part, and the outlet of heat exchanger is connected with the air inlet pipe of differential pressure refrigeration device; Described distributor one gas outlet is connected with the cold airflow inlet of heat exchanger;
One container body of outer cover, in load onto and state whole refrigerating plants, have refrigerator pipe outlet and muffler to enter the mouth on the housing, action button and display are housed on the panel.
For making the evenly output effectively of refrigeration gas gas, dispensing arrangement is the opposite opened housing with spherical inner chamber, and insulating lining is arranged in the chamber, and housing has a plurality of gas outlets;
For accurately monitoring suction temperature with the normal operation of control refrigeration, the structure of gas collector is a middle horizontal tubular cavity that porous distribution dividing plate is housed, tube chamber top installing return-air is gone into tracheae, the monitoring thermocouple is housed in the tube chamber under the distribution plate, return-air can make thermocouple temperature measurement accurate through the distribution plate uniform distribution;
For good source of the gas is provided to compressor, the structure of gas mixing dryer is: inlet chamber, drier, wind pushing cavity link to each other successively; Inlet chamber has an air inlet to be connected with gas collector, heat exchanger, accepts both return-airs, on the inlet chamber wall steel mesh is arranged, and replenishes new gas to suck; Three road gases enter wind pushing cavity after mixing the drying device, and the wind wheel in the wind pushing cavity is sent gas the supply compressor under motor-driven.
The utility model refrigerating plant has following outstanding feature and effect:
1. non-freon: refrigeration working medium adopts it air without cease of cheap, inexhaustible usefulness, to environment to the pollution-free nonhazardous of the mankind.
2. energy-conservation: refrigerating capacity is big, and it is low to consume energy, and is applied on the equipment such as refrigerator, refrigerator-freezer and need not to increase defrost power, can save energy 15%-20%.
3. material-saving: simple in structure, do not need the cooler and the evaporimeter of structure bulky complex, but material-saving 20%.
4. safety simple in structure: required dribbleware is few, is easy to make; Because of gallery pressure little (about 0.1Mpa, and the fluorine refrigeration plant is 0.9-1.0Mpa), safe in utilization especially, and be difficult for leaking.
5. applied range can be used in ownership cool equipments such as refrigerator, refrigerator-freezer, antistaling box, air-conditioning series of products, ice making, freezer, fresh-keeping warehouse and the Refrigeration Technique.
Describe the embodiment of the floride-free air-cooled refrigeration unit of the utility model in detail below in conjunction with accompanying drawing.
Fig. 1 is the utility model refrigerating plant refrigeration system schematic diagram.
Fig. 2 is the utility model refrigerating plant air mixing drier schematic diagram.
Fig. 3 is the utility model refrigerating plant air mixing drier side schematic view.
Fig. 4 is the utility model refrigerating plant gas collector generalized section.
Fig. 5 is the utility model refrigerating plant gas collector schematic top plan view.
Fig. 6 is the utility model refrigerating plant differential pressure refrigeration device schematic top plan view.
Fig. 7 is the utility model refrigerating plant differential pressure refrigeration device schematic side view.
Fig. 8 is the utility model refrigerating plant distributor schematic top plan view.
Fig. 9 is the utility model refrigerating plant distributor schematic side view.
Figure 10 is the utility model refrigerating plant assembling front elevational schematic.
Figure 11 is the utility model refrigerating plant assembling schematic top plan view.
Figure 12 is the utility model refrigerating plant assembling schematic side view.
As shown in Figure 1, refrigeration system of the present utility model is made up of source of the gas part, refrigerating part and heat exchange assembly three parts; Wherein, source of the gas partly comprises compressor (1), gas mixing dryer (2), gas collector (3), oil and water filters (4); Compressor (1) is by gas mixing dryer (2) supply gas, this gas mixing dryer (2) comprises inlet chamber (6), drier (7), wind pushing cavity (8) and the motor (9) that links to each other successively, inlet chamber (6) front end has an air inlet (10), the inlet chamber wall has steel mesh (11), can suck outside air by it; Drier (7) links to each other with inlet chamber (6) by porous wall, in-built filtration, drier, one discharge outlet (12) is arranged at the bottom, wind pushing cavity (8) communicates with drier (7) by porous wall, one gas outlet (13) is arranged, the in-built wind wheel in chamber (14), the external motor of this wind wheel (14) (9) on the wall of chamber, under the driving of motor (9) with gas from the gas outlet (13) send, by the road to the air inlet (17) of compressor (1); Gas in compressor (1) compressed from The entrance (20) to oil and water filters (4) is sent in its gas outlet (18), and the profit of sedimentation is discharged from the leakage fluid dram (21) of its underpart in filter (4), and filtered gas is sent to heat exchanger from outlet (22);
Shown in Fig. 4,5, described gas collector (3) comprises the sealing gland (25) at a tubular housing (24) and two ends, and an escape pipe (26) is housed on the gland of an end; Installing one porous gas distribution plate (27) in this tubular housing (24), at the tubular cavity wall of the side of this distribution plate (27) a plurality of times collection are housed and enter tracheae (28), the return-air of refrigeration application equipment enters tracheae (28) through this and is collected in the gas collector (2), installing one thermocouple (29) in the tubular cavity of the opposite side of distribution plate (27), return-air evenly distributes through distribution plate (27), and thermocouple (29) can accurately be monitored suction temperature; Escape pipe (26) links to each other with the air inlet (10) of described gas mixing dryer (2), and collected return-air is admitted to the mixed drier (2) of gas;
Described refrigerating part comprises pressure differential refrigerator (31), distributor (51) and two gas circuits control magnetic valves (45), (46);
Pressure differential refrigerator (31) is core apparatus of the present invention, has been open in 92113032 the Chinese patent in application number; Shown in Fig. 6,7, refrigerator (31) comprises the outer solid (32) of an opposite opened expansion chamber, and this outer solid (32) inside is a spherical expansion chamber (33), and insulation antiseptic coating liner (34) is housed in the spherical cavity (33), plays the heat insulating and corrosion effect; An air inlet pipe (35) is respectively installed in the relative both sides of solid (32) outside, be fixed with a nozzle (36) in this air inlet pipe (35), two air inlet pipe arrange in the Parallel Symmetric mode with respect to the spherical cavity axis respectively, nozzle (36) Shen is to spherical cavity (33) inwall, for strengthening the compressed-air actuated expansion effect that enters, the front portion of nozzle (36) is a thin footpath straight tube (37), make the gases at high pressure that enter in nozzle, not be cushioned decompression and until the nozzle port of export just sudden pressure reduction expand; One cold air tap is arranged under described spherical cavity (33), install a cold conduit (38), a hot gas tap is arranged directly over spherical cavity (33), install a heat pipe (39), one upper gas chamber (40) is set, upper gas chamber (40) outside heat pipe (39) On have heat outlet (41), and an adjusting lever (42) is housed, in order to adjust the thermal current flow, to regulate ratio and the temperature of hot and cold air; Described heat outlet (41) and cold conduit (38) communicate with an entrance of two three-way solenoid valves (45), (46) respectively, one outlet of two triple valves (45), (46) links to each other with a water spilage tray (48), and the another outlet of two valves is connected with the entrance (52) of distributor (51);
Distributor (51) shown in Fig. 8,9, has an opposite opened insulation shell (53), is a spherical cavity in the housing, and cavity wall has liner (54); One air intake (52) that is communicated with triple valve (45) is housed on the housing, receives the gas from pressure differential refrigerator (31), have a gas outlet (55) to communicate with the cold airflow entrance of heat exchanger; Also be equiped with a plurality of refrigeration gas outlets (56) on the housing, gas outlet (56) are connected with refrigerator pipe, in order to export refrigerant gas to application apparatus;
Between aforementioned source of the gas part and refrigerating part, one heat exchanger (60) is set, this heat exchanger (60) is counter current exchanger, enter the thermal current entrance (61) of heat exchanger (60) from the air of source of the gas part oil and water filters (4), from outlet (62) output, divide two-way to deliver to the air inlet pipe (35) of pressure differential refrigerator (31) through heat exchange; Enter the cold airflow entrance (63) of heat exchanger (60) from the cold air of the gas outlet (55) of distributor (51), after heat exchange, send from outlet (64), be delivered to the inlet chamber (6) of gas mixing dryer (2).
The course of work of the utility model refrigerating plant embodiment is exemplified below:
Gas mixing dryer (2) carries out combination drying with 32 ℃ make-up gas ,-10 ℃ refrigeration return-air and 27 ℃ interchanger return-air three road gases, exports 14.5 ℃ gas and supplies with compressor (1) as source of the gas;
The specification of institute's employing compressor (1) is as follows: capacity-4.5m 3/ h, power-120W, operating pressure〉1.0Mpa, describedly go out gases at high pressure through the elimination profit, under 0.8Mpa pressure, 25-28 ℃ temperature, enter heat exchanger (60), the cold air source of heat exchanger (60) is by the output-15--17 ℃ of cold air in distributor (51) gas outlet (55), and 27 ℃ return-air is sent into gas mixing dryer (2) after heat exchange; High pressure gas is reduced to 16.5 ℃ through heat exchange and is sent into differential pressure refrigeration device (31), through the cooling of expanding, output below-16 ℃ cold air and 46 ℃ hot gas; The trend of air-flow is controlled by triple valve (45) (46); When refrigeration application, triple valve (45) (46) is communicated with water spilage tray (48) and distributor (51) air intake (52) respectively, carry refrigerant gas to distributor (51), discharge hot gas to drainage box (8), when needs use hot gas, triple valve (45) (46) is communicated with the air inlet (52) and the water spilage tray (48) of distributor (51) respectively, provides hot gas to distributor (51), discharges cold air to water spilage tray (48);
When-15 ℃ cold air enters the spherical cavity of distributor (51), further cooling (2-4 ℃), because of the little supercharging once more of escape pipe caliber, the spherical inner chamber structure of distributor (51) makes that also gas can be from a plurality of gas outlets (56) evenly output during gas output; The peculiar structure of distributor (51) has played the effect of cooling, supercharging, uniform distribution to gas; The collect return-air below-10 ℃ of self-application equipment of gas collector (3), gas evenly distributes behind over-allocation dividing plate (27), thereby monitoring thermocouple (29) can accurately record suction temperature, controls with the operation to refrigeration system in view of the above.
Above-mentioned the utility model non-freon air-cooled refrigeration unit can make up with any refrigeration application equipment, does not need complicated huge cooler, evaporimeter, utilizes thin-wall copper pipe to carry out the cold air transmission and gets final product, and running noises is lower than 30 decibels.

Claims (4)

1, a kind of non-freon air-cooled refrigeration unit comprises source of the gas part, refrigerating part, heat exchanger assembly and cabinet shell; It is characterized in that:
Source of the gas partly comprises compressor, gas mixing dryer, gas collector, oil and water filters;
Gas mixing dryer comprises inlet chamber, drier, wind pushing cavity and the motor that links to each other successively, and the inlet chamber front end has an air inlet to be connected with the gas outlet of gas collector and the return-air outlet of heat exchanger, and this inlet chamber wall has steel mesh to communicate with the external world; Described wind pushing cavity has a gas outlet;
The air inlet of compressor is connected with the air-supply gas outlet of above-mentioned gas mixing drier, and gas outlet one oil and water filters of compressor is connected with heat exchanger; Gas collector is equiped with a plurality of times collection and goes into tracheae collecting the return-air of refrigeration application equipment, and has an escape pipe and link to each other with the air inlet of described gas mixing dryer;
Refrigerating part comprises differential pressure refrigeration device, distributor and two gas path control valves; The differential pressure refrigeration device comprises that one has the outer solid of spherical inner chamber, and corrosion-resistant thermal insulation coating liner is arranged in the chamber, and an air inlet pipe respectively is equipped with the parallel symmetry of spherical cavity axis in the relative both sides of solid outside this, and nozzle is equipped with in air inlet pipe the inner, and the nozzle front end is a thin footpath straight tube; One cold air delivery line is arranged under the spherical cavity, and there is a hot gas delivery line spherical cavity top, at the heat outlet place one adjusting lever is arranged, in order to regulate the ratio and the temperature of hot and cold air;
Cold conduit and heat pipe are connected with an inlet of two triple valves respectively;
Distributor comprises air intake, a plurality of cold air gas outlet and another gas outlet that is connected with heat exchanger that is connected with cold conduit that is connected with an outlet of two triple valves;
Refrigerant gas is evenly exported by a plurality of cold conduits and is delivered to application apparatus;
Another outlet of two triple valves is communicated with a water spilage tray;
Heat exchanger is installed between source of the gas part and the refrigerating part, and the thermal current inlet of heat exchanger is connected with the compressed air oil and water filters outlet of described source of the gas part, and the outlet of heat exchanger is connected with the air inlet pipe of differential pressure refrigeration device; Described distributor one gas outlet is connected with the cold airflow inlet of heat exchanger;
One container body of outer cover, in load onto and state whole refrigerating plants, have refrigerator pipe outlet and muffler to enter the mouth on the housing, action button and display are housed on the panel.
2, refrigerating plant as claimed in claim 1 is characterized in that: described distributor has a spherical inner chamber and gas outlet, a plurality of gas outlet is connected with air coolant tube, and the corrosion-resistant thermal insulation liner is arranged in the spherical cavity.
3, refrigerating plant as claimed in claim 2 is characterized in that: described gas collector has tubular cavity, and a horizontal porous gas distributes dividing plate in the chamber, and tube chamber top is installed a plurality of return-airs and gone into tracheae, and the monitoring thermocouple is housed in the tube chamber of distribution plate bottom.
4, refrigerating plant as claimed in claim 3 is characterized in that: described gas mixing dryer is made up of the inlet chamber, drier, the wind pushing cavity that link to each other successively; Inlet chamber has an air inlet to be connected with gas collector, heat exchanger, accepts both return-airs, on the inlet chamber wall steel mesh is arranged, and replenishes new gas to suck; Three road gases enter wind pushing cavity after mixing the drying device, and installing one wind wheel in the wind pushing cavity is sent gas the supply compressor under motor-driven.
CN 93205237 1993-03-10 1993-03-10 Non-freon air cooling refrigerating unit CN2154996Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 93205237 CN2154996Y (en) 1993-03-10 1993-03-10 Non-freon air cooling refrigerating unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 93205237 CN2154996Y (en) 1993-03-10 1993-03-10 Non-freon air cooling refrigerating unit

Publications (1)

Publication Number Publication Date
CN2154996Y true CN2154996Y (en) 1994-02-02

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ID=33788551

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 93205237 CN2154996Y (en) 1993-03-10 1993-03-10 Non-freon air cooling refrigerating unit

Country Status (1)

Country Link
CN (1) CN2154996Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102788391A (en) * 2011-05-20 2012-11-21 赵文志 Water refrigeration air conditioner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102788391A (en) * 2011-05-20 2012-11-21 赵文志 Water refrigeration air conditioner

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GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee