CN201028863Y - Multifunctional air-cooling cold and hot water machine set - Google Patents

Multifunctional air-cooling cold and hot water machine set Download PDF

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Publication number
CN201028863Y
CN201028863Y CNU2007200669711U CN200720066971U CN201028863Y CN 201028863 Y CN201028863 Y CN 201028863Y CN U2007200669711 U CNU2007200669711 U CN U2007200669711U CN 200720066971 U CN200720066971 U CN 200720066971U CN 201028863 Y CN201028863 Y CN 201028863Y
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CN
China
Prior art keywords
valve
heat exchanger
magnetic valve
hot water
cooling cold
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Expired - Fee Related
Application number
CNU2007200669711U
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Chinese (zh)
Inventor
刘井龙
胡泳波
吴献忠
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SHANGHAI AIR CONDITIONER FACTORY
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SHANGHAI AIR CONDITIONER FACTORY
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Priority to CNU2007200669711U priority Critical patent/CN201028863Y/en
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Publication of CN201028863Y publication Critical patent/CN201028863Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a multifunction forced air cooling cold and hot water machine, which mainly resolves the technical problem such as adaptation to different environmental temperature requirement. The adopted technical proposal is that the inlet and outlet of the compressor is connected with a four-way reversing valve which is in parallel connection with a solenoid valve. One solenoid valve is connected with a heat recovery exchanger and the other is connected with a wing type heat exchanger. The four-way reversing valve is in parallel connected with the other electromagnetisms. Wherein, one is connected with an evaporator and the other is connected with a domestic water heat exchanger. The wing type heat exchanger is connected with the evaporator through two one-way valves and the solenoid valve. The evaporator is connected with the wing type heat exchanger through two one-way valves. The utility model is suitable for the steam compressed refrigerating system with all type of electrically driven.

Description

The multifunctional wind cooling cold and hot water unit
Technical field
The utility model relates to a kind of heating and refrigeration train assembly system, the device that particularly a kind of heating and refrigeration replace or turn round simultaneously.
Background technology:
In the existing field of Refrigeration and Air-conditioning, with the electricity is that the steam compression type Air-Cooled Heat Pump Unit that drives power is occupied the very big market share, and the electric energy of air-conditioning unit consumption is very surprising, as in big cities such as Shanghai, the ratio of air conditioning electricity load can reach 25% of entire city electric load, a large amount of record data show, greatly, the hotel in middle city, the central air-conditioning power consumption of buildings such as restaurant accounts for about 60% of whole building power consumption, known from institute, with power-actuated vapour compression refrigerator group, the condenser heat of its generation is 1.1~1.3 times of unit refrigerating capacity, and in running, unit only utilizes its cold, and a large amount of condensation heat is to discharge into the atmosphere, obviously, consequently both waste a large amount of available heat energy, caused atmosphere pollution again; On the other hand, reinforcement along with environmental consciousness, increasing city begins or is about to begin ban use of coal-burning boiler, therefore people are seeking a kind of clean energy resource replacement coal one after another, so combustion gas or oil burning boiler arise at the historic moment, and the economy of these measures and safety problem still have to be solved; The condensation heat that reclaims the vapour pressure compression type refrigerating unit of making a mistake is adopted in this present technique field exploitation, can be freely or utmost point expense a large amount of low-grade heat sources are provided---life hot water, can reduce environmental pollution again, but, existing heat recovery system is a series-mode frame, when not needing to reclaim condensation heat, hot water in the heat recovering heat exchanger may be heated to fluidized state, quickened the incrustation of heat recovering heat exchanger water side, thereby a side has weakened the hot-swap feature of heat recovering heat exchanger, reduces the reliability of its service life and whole system on the other hand.
The utility model content:
Technical problem to be solved in the utility model is, a kind of multifunctional wind cooling cold and hot water unit is provided, and it can adapt to the demand of varying environment temperature and different use periods, unit operation reliability height, utilization rate of electrical height, and energy conserve water resource have higher economic benefit.
The technical scheme in the invention for solving the above technical problem is: the multifunctional wind cooling cold and hot water unit includes compressor, finned heat exchanger, evaporimeter and valve member, be characterized in: the outlet at compressor is connected with four-way change-over valve, on four-way change-over valve, be connected in parallel to two magnetic valves, one of them magnetic valve connects finned heat exchanger, another magnetic valve is connected with heat recovering heat exchanger, on four-way change-over valve, also be connected in parallel to two magnetic valves in addition, wherein a magnetic valve is connected with evaporimeter, another magnetic valve is connected with domestic hot-water's heat exchanger, finned heat exchanger is connected with evaporimeter through two check valves and magnetic valve, and evaporimeter is connected with finned heat exchanger through two check valves.Energy adjustment of the present utility model---be that compressor behavior depends on refrigeration duty or air-conditioning thermic load, domestic hot-water's thermic load, realize freezing, heat, operational modes such as heat-pump hot-water and refrigeration recuperation of heat.
The utility model is that the condensation heat to Air-Cooled Heat Pump Unit is fully utilized, be that unit has separate refrigeration, refrigeration and recuperation of heat, heat or round-the-clock Teat pump boiler function, it can provide a kind of cleaning and cheap domestic hot-water for the city, it is the splendid scheme of replacement expense height and unsafe boiler heat supplying water, condensation heat to discharging is recycled to produce the domestic hot-water, save a large amount of energy, reduce environmental pollution, solve difficult problems such as conventional tandem heat recovery system short whole system reliability in service life is low simultaneously, need not extra auxiliary equipment, unit can discharge unnecessary cold or heat automatically in atmosphere, need not cooling water, the conserve water resource, comprehensive above-mentioned advantage the utlity model has high economic benefit.
Description of drawings:
Fig. 1 is the structural representation of the utility model multifunctional wind cooling cold and hot water unit.
The specific embodiment:
With reference to Fig. 1, the multifunctional wind cooling cold and hot water unit includes compressor 1, finned heat exchanger 6, aerofoil fan 7, evaporimeter 21, recuperation of heat parallel operation 5, domestic hot-water's heat exchanger 24, connecting line, valve member and auxiliary.
Compressor 1 outlet is connected with four-way change-over valve 2, and four-way change-over valve 2 is connected in parallel to magnetic valve 3 and magnetic valve 4, improves operational reliability;
The outlet of magnetic valve 3 is connected to the import of finned heat exchanger 6, and the outlet of magnetic valve 4 is connected to the refrigerant inlet of heat recovering heat exchanger 5; The refrigerant outlet of heat recovering heat exchanger 5 also is connected to the import of finned heat exchanger 6;
The outlet of finned heat exchanger 6 is connected respectively to the import of check valve 8 and heats the outlet of expansion valve 20, the outlet of check valve 8 is connected to the import of reservoir 13, and the outlet of reservoir 13 is connected with stop valve 14, device for drying and filtering 15, liquid pipe magnetic valve 16 and liquid visor 17 in turn;
The outlet of liquid visor 17 is connected with the import of check valve 9 and check valve 10 respectively, the outlet of check valve 10 is connected with the import that heats expansion valve 20, the outlet of check valve 9 is connected with magnetic valve 18, refrigeration expansion valve 19 in turn, and the outlet of refrigeration expansion valve 19 is connected with the import of check valve 11 and the import of shell and tube evaporator 21;
Another road of four-way change-over valve 2 is connected in parallel to bidirectional flow magnetic valve 22 and magnetic valve 23, the other end of bidirectional flow magnetic valve 22 is connected with the outlet of shell and tube evaporator 21, the outlet of magnetic valve 23 is connected with domestic hot-water's heat exchanger 24, check valve 12 in turn, and the outlet of check valve 12 is connected with the import of reservoir 13;
The another road of four-way change-over valve 2 is connected with air-breathing (advancing) mouth of gas-liquid separator 25, compressor 1 in turn;
Pipeline near compressor 1 import (air entry) is provided with low pressure controller 26, and the pipeline that exports (exhaust outlet) near compressor 1 is provided with dual pressure controller 27.
Multifunctional wind cooling cold and hot water unit of the present utility model can be by following various mode operations;
1, refrigeration mode---energy adjustment of the present utility model, promptly compressor 1 running status depends on refrigeration duty, magnetic valve 4 and magnetic valve 23 " pass ", magnetic valve 3, liquid pipe magnetic valve 16, magnetic valve 18 and bidirectional flow magnetic valve 22 " leave ";
The high-temperature high-pressure refrigerant steam liquid that compressor 1 outlet is sent is condensed into liquid by four-way change-over valve 2, magnetic valve 3, fin or heat exchanger 6 successively; Condensed fluid flow through successively check valve 8, reservoir 13, stop valve 14, device for drying and filtering 15, liquid pipe magnetic valve 16, liquid visor 17, check valve 9, magnetic valve 18, refrigeration expansion valve 19, shell and tube evaporator 21, bidirectional flow magnetic valve 22, four-way change-over valve 2, gas-liquid separator 25 are back to the import (air entry) of compressor;
Dual pressure controller 27 is according to the running of the condensing pressure control speed governing aerofoil fan 7 of system's operation, to guarantee its condensing pressure in the reasonable scope;
In the said process, the cold-producing medium shell and tube evaporator 21 of flowing through, cold-producing medium and the water that flows into shell and tube evaporator 21 carry out heat exchange, water heat release cooling, thus produce chilled water.
2, refrigeration heat recovery mode---energy adjustment of the present utility model, be that compressor 1 running status depends on refrigeration duty and loads irrelevant with the domestic hot-water, and only when moving, refrigeration system just has a heat recovery function, therefore during the utility model running refrigerating heat recovery mode, have following three kinds of running statuses:
A. refrigerating operaton state: its operation characteristic is identical with above-mentioned the 1st kind of pattern (refrigeration mode);
B. the refrigerating operaton state switches to refrigeration recuperation of heat running status, show refrigeration duty and domestic hot-water's underload this moment, magnetic valve 3 continues to be held open state, and magnetic valve 4 also switches to " opening " by " pass ", magnetic valve 3 time-delays one setting value back " pass ", the domestic hot-water produces the domestic hot-water by after reclaiming heat exchanger 5 absorption portion condensation heat.
C. when loading, the domestic hot-water meets the demands, and refrigeration duty is can't satisfy the demand the time, promptly switch to the refrigerating operaton state by refrigeration recuperation of heat running status, at this moment, magnetic valve 4 continues to be held open state, and magnetic valve 3 also switches to " opening " by " pass ", magnetic valve 4 time-delays one setting value back " pass ".
3, heating mode---energy adjustment of the present utility model, be that compressor 1 running status is decided by the air-conditioning thermic load, magnetic valve 4, magnetic valve 18, magnetic valve 23 " pass ", magnetic valve 3, liquid pipe magnetic valve 16, bidirectional flow magnetic valve 22 " is opened ", the high-temperature high-pressure refrigerant steam that compressor 1 outlet is sent is successively by four-way change-over valve 2, bidirectional flow magnetic valve 22, shell and tube evaporator 21, check valve 11, reservoir 13, stop valve 14, device for drying and filtering 15, liquid pipe magnetic valve 16, liquid visor 17, check valve 10, heat expansion valve 20, finned heat exchanger 6, magnetic valve 3, four-way change-over valve 2, gas-liquid separator 25 returns the import of compressor 1;
In the said process, the cold-producing medium shell and tube evaporator 21 of flowing through, cold-producing medium and the water that flows into shell and tube evaporator 21 carry out heat exchange, and the water heat absorption heats up, thereby produces the air-conditioning warm water.
4, heat-pump hot-water pattern---energy adjustment of the present utility model, be that compressor 1 running status depends on domestic hot-water's thermic load, magnetic valve 4, magnetic valve 18, bidirectional flow magnetic valve 22 " pass ", magnetic valve 3, liquid pipe magnetic valve 16, magnetic valve 23 " leaves ", the high-temperature high-pressure refrigerant steam that compressor 1 outlet is sent is successively by four-way change-over valve 2, magnetic valve 23, domestic hot-water's heat exchanger 24, check valve 12, reservoir 13, stop valve 14, device for drying and filtering 15, liquid pipe magnetic valve 16, liquid visor 17, check valve 10, heat expansion valve 20, finned heat exchanger 6, magnetic valve 3, four-way change-over valve 2, gas-liquid separator 25 returns the import of compressor 1;
Aerofoil fan 7 is speed governing aerofoil fans, and the operation of low pressure controller 26 Control Shaft flow fans 7 is to guarantee that unit low pressure is in reasonable range.
In the said process, supply water by domestic hot-water's heat exchanger 24, heat absorption heats up after water and the cold-producing medium heat exchange, produces the domestic hot-water.
The utility model is by above-mentioned various operational modes, but realizes unit separate refrigeration, refrigeration and recuperation of heat, heat or multiple function such as round-the-clock heat-pump hot-water.

Claims (7)

1. multifunctional wind cooling cold and hot water unit, unit includes compressor, finned heat exchanger, and evaporimeter and valve member is characterized in that:
A. the import and export at compressor (1) are connected with four-way change-over valve (2);
B. on four-way change-over valve (2), be connected in parallel to two magnetic valves (3,4), magnetic valve (3) finned heat exchanger (6), magnetic valve (4) is connected with heat recovering heat exchanger (5);
C. also be connected in parallel to two magnetic valves (22,23) on four-way change-over valve (2), magnetic valve (22) is connected with evaporimeter (21), and magnetic valve (23) is connected with domestic hot-water's heat exchanger (24);
D. fin worker heat exchanger (6) is connected with evaporimeter (21) through two check valves (8,9) and magnetic valve (18);
E. evaporimeter (21) is connected with finned heat exchanger (6) through two check valves (11,10).
2. multifunctional wind cooling cold and hot water unit according to claim 1 is characterized in that magnetic valve (22) is the bidirectional flow magnetic valve.
3. multifunctional wind cooling cold and hot water unit according to claim 1 is characterized in that being provided with in regular turn between check valve (8) and the check valve (9) reservoir (13), stop valve (14), device for drying and filtering (15), liquid pipe magnetic valve (16) and liquid-sighting glass (17).
4. multifunctional wind cooling cold and hot water unit according to claim 1 is characterized in that being provided with in regular turn between check valve (9) and the check valve (11) magnetic valve (18) and refrigeration expansion valve (19).
5. multifunctional wind cooling cold and hot water unit according to claim 1 is characterized in that being provided with between check valve (10) and the finned heat exchanger (6) and heats expansion valve (20).
6. multifunctional wind cooling cold and hot water unit according to claim 1 is characterized in that being provided with low pressure controller (26) in the import of compressor (1), is provided with dual pressure controller (27) in the outlet of compressor (1).
7. multifunctional wind cooling cold and hot water unit according to claim 1 is characterized in that also being connected with gas-liquid separator (25) in the import department of compressor (1).
CNU2007200669711U 2007-02-02 2007-02-02 Multifunctional air-cooling cold and hot water machine set Expired - Fee Related CN201028863Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200669711U CN201028863Y (en) 2007-02-02 2007-02-02 Multifunctional air-cooling cold and hot water machine set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200669711U CN201028863Y (en) 2007-02-02 2007-02-02 Multifunctional air-cooling cold and hot water machine set

Publications (1)

Publication Number Publication Date
CN201028863Y true CN201028863Y (en) 2008-02-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200669711U Expired - Fee Related CN201028863Y (en) 2007-02-02 2007-02-02 Multifunctional air-cooling cold and hot water machine set

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108613430A (en) * 2018-04-26 2018-10-02 广东海悟科技有限公司 A kind of compressor and fluorine pump circulation refrigeration system
CN115468329A (en) * 2022-09-13 2022-12-13 约克广州空调冷冻设备有限公司 Heat pump system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108613430A (en) * 2018-04-26 2018-10-02 广东海悟科技有限公司 A kind of compressor and fluorine pump circulation refrigeration system
CN115468329A (en) * 2022-09-13 2022-12-13 约克广州空调冷冻设备有限公司 Heat pump system
CN115468329B (en) * 2022-09-13 2023-10-13 约克广州空调冷冻设备有限公司 heat pump system

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080227

Termination date: 20120202