CN203550279U

CN203550279U - Dual-purpose machine for air-conditioning and providing domestic hot water

Info

Publication number: CN203550279U
Application number: CN201320521059.6U
Authority: CN
Inventors: 张志刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-08-26
Filing date: 2013-08-26
Publication date: 2014-04-16
Anticipated expiration: 2023-08-26

Abstract

The utility model discloses a dual-purpose machine for air-conditioning and providing domestic hot water. The dual-purpose machine for air-conditioning and providing domestic hot water comprises a compressor, a four-way valve, a condenser, a throttling device, an evaporator, a gas-liquid separation tank and the like in the prior art, and pipelines connected among the components, and is characterized in that a high-pressure exhaust pipe between the compressor and the four-way valve is connected in series with a super-heater so as to provide high-temperature domestic hot water, and the middle part of a connecting pipe between the four-way valve and the condenser is connected with a domestic hot water heat exchanger and an electromagnetic valve in parallel. The dual-purpose machine for air-conditioning and providing domestic hot water overcomes the disadvantages that the currently developed air-conditioning water heating machine is unsteady in hot water production condition and cannot produce high-temperature hot water.

Description

The dual-purpose machine of air-conditioning domestic hot-water

Technical field

The utility model relates to air conditioner refrigerating and domestic hot-water's apparatus field, relates in particular to family expenses, business air conditioner and domestic hot-water's device product.

Background technology

Existing market air-conditioning and domestic hot-water's equipment are extensively that the industries such as family and commerce services are used, and particularly summer, air conditioner refrigerating discharged huge heat formation tropical island effect in all parts of the country, caused people to work and living environment thermal pollution; Use throughout the year domestic hot-water's equipment to comprise that electric heater, electric boiler, gas fired-boiler, oil burning boiler, coal-fired central heating boiler etc. expend the petrochemical industry resources such as a large amount of electric energy, oil, gas, coal; not only environment is brought to exhaust emission; the energy crisis that a large amount of consumption of the energy bring; threaten gradually the mankind's existence; more and more in the urgent need to mankind's low-carbon (LC), live; need energy-efficient product, this some enterprise taked to counter-measure exploitation energy-conserving product, but also have following problem:

1. Development and Production Teat pump boiler replaces electric heater, although economize on electricity more than 50% than electric heater, winter, cold snap efficiency declined greatly, and summer, water heating also had the cooling power of half not utilize.

2. Some Enterprises exploitation heat recovering air conditioner, utilizes air conditioner refrigerating discharge heat reclamation heat-production water, but only limits to part business air conditioner, most recovery less than 20%;

3. domestic air conditioning and water heater are the huge consumer products of society, many enterprises attempt the dual-purpose machine of exploitation air-conditioning domestic hot-water, refrigeration+water heating Energy Efficiency Ratio can reach 6 ~ 9 in theory, but all do not have successfully, not to occur that hot water temperature does not increase, be exactly that system conditions fluctuation is large, affect original refrigeration, heat-production functions.

Basic reason or key technology does not make clear of in sum, or structure and Performance Match problem, cause the product model machine still technology of coming out over 20 years to hover immature.

The utility model is exactly in order to solve the jejune problem of air-conditioning water-heating dual-purpose machine technology, will solve water heating temperature not increase unstable with operating condition, and affect the key issue of the original refrigeration of air-conditioning, heat-production functions, particularly in air conditioner refrigerating+water heating pattern using function, as long as water temperature is over 45 ℃, operation of air conditioner operating mode just there will be unusual fluctuations, affects the service life of the normal refrigeration of air-conditioning and compressor.After the utility model technology adopts, will overcome existing all not enough problems in the past, the dual-purpose machine of air-conditioning domestic hot-water is by with the double Energy Efficiency Ratio of conventional air-conditioning product, and in air-conditioning, hot water facility, the energy-efficient product of number one is come into huge numbers of families.

Summary of the invention

The purpose of this utility model is, provides a kind of technology can make air-conditioning have in running: refrigeration+thermobiosis hot water function; Independent water heating function; Refrigerating function; Heat-production functions; Heat+water heating function; In meeting five kinds of control model functions, operating condition again can be highly stable.

The purpose of this utility model, will be achieved through the following technical solutions:

The dual-purpose machine of a kind of air-conditioning domestic hot-water, refrigeration system comprises compressor, cross valve, condenser, throttling arrangement, evaporimeter, knockout drum of original technology etc., and the pipeline connecting between each parts, it is characterized in that: in the high-pressure exhaust pipe between compressor and cross valve, be in series with superheater, in superheater, there is sufficient high temperature and high pressure gas, for the thermobiosis hot water of post bake is provided.Another feature is: series connection domestic hot-water's heat exchanger and check valve in the middle of the tube connector between two cross valves, using separately domestic hot-water's pattern or refrigeration+domestic hot-water pattern, and high-temperature gas working medium first flows to condenser after domestic hot-water's heat exchanger again; Using refrigeration or heating mode, cross valve commutation short circuit, bypasses the operation of domestic hot-water's heat exchanger, compressor high temperature and high pressure gas working medium, and direct short-circuit enters condenser or evaporimeter refrigeration or heats conventional basic model operation.

The utility model also has one to be characterised in that: domestic hot-water's heat exchanger exit hot-water line is connected to magnetic valve, the import and export two ends of magnetic valve are respectively equipped with threeway, two threeway vertical joints and superheater water inlet pipe and water outlet pipe are connected, and when magnetic valve is opened, the short circuit of heat exchanger exit hot water flows directly into outside heat storage water tank through magnetic valve; During closed electromagnetic valve, heat exchanger exit hot water is blocked and detours that to enter superheater post bake be to flow back to electromagnetic valve outlet pipe after high-temperature water by magnetic valve, then flows into outside heat storage water tank.

Further describe: native system hot-water heating system has superheater and heat-dissipating water-to-water heat exchanger, the last stage of hot water heating is domestic hot-water's heat exchanger water heating, when water temperature reaches after uniform temperature, control system temperature-sensitive signal is notified domestic hot-water's heat exchanger hot-water outlet pipe's closed electromagnetic valve, going out hot water detours through superheater post bake formation high-temperature-hot-water, now the whole process condenser fan of water heating is in stopping or last dead slow speed state, complete after hot water heating, during water heating+refrigeration mode, automatically proceed to refrigeration mode work.

Accompanying drawing explanation

Fig. 1 is the utility model example structure principle schematic:

In figure, serial number represents: 1. compressor; 2. blast pipe; 3. superheater; 4. check valve I; 5. check valve II; 6. cross valve I; 7. heat exchanger refrigerant inlet tube; 8. domestic hot-water's heat exchanger; 9. cross valve II; 10. muffler I; 11. superheater outlet pipes; 12. condensers; 13. condenser inlet pipes; 14. hot-water outlet pipes; 15. magnetic valves; 16. water pumps; 17. hot water heat exchanger water inlet pipes; 18. condensation outlets; 19. heat exchanger refrigerant exit pipes; 20. superheater water inlet pipes; 21. throttling arrangements; 22. superheater blast pipes; 23. knockout drums; 24. evaporator pipes; 25. muffler II; 26. overvoltage/undervoltage protections; 27. evaporimeters; 28. evaporator outlet pipes.

Fig. 2 is the interface schematic diagram of the utility model embodiment domestic hot-water heat exchanger 8:

In figure, each serial number represents: 8-1 working medium outgoing interface; 8-2 working medium accessing port 1; 8-3 hot water accessing port; 8-4 hot water outgoing interface.

the specific embodiment:

The dual-purpose machine of the utility model air-conditioning domestic hot-water has five functions operational mode:

(1) refrigerating operaton pattern; (conventional basic model)

(2) refrigeration+water heating operational mode;

(3) independent water heating operational mode;

(4) heating operation pattern; (conventional basic model)

(5) heat+water heating operational mode;

Below in conjunction with accompanying drawing, the dual-

purpose machine embodiment

1,2 of the utility model air-conditioning domestic hot-water, 3 kind of operational mode are further described:

1, refrigerating operaton operating mode pattern:

The gaseous working medium that compressor 1 absorbs in knockout drum 23, be compressed into after high temperature and high pressure gas, through blast pipe 2, enter superheater 3, enter cross valve 6, cross check valve 5, enter cross valve 9, through inlet tube 13, flow into after condenser 12, be condensed into gradually liquid refrigerant, through outlet 18, after throttling arrangement 21 reducing pressure by regulating flows, by evaporimeter 27 evaporation endothermics, return cross valve 9, cooled via

return air pipe

10,25, enters knockout drum 23, returns the kind of refrigeration cycle that compressor 1 completes one-period, this loop cycle is the object so that infinite realization is freezed back and forth, and this pattern is conventional basic model.

2., refrigeration+water heating operational mode:

The gaseous working medium that compressor 1 absorbs in knockout drum 23, be compressed into after high temperature and high pressure gas, through blast pipe 2, enter superheater 3, enter cross valve 6, through refrigerant inlet tube 7, enter domestic hot-water's heat exchanger 8 the cool water heating entering from water inlet pipe 17, high temperature and high pressure gas is cooled to liquid gradually on 8 li, domestic hot-water's heat exchanger, through refrigerant exit pipe 19, cross check valve 4, through cross valve 9, through inlet tube 13, flow into condenser 12, now the fan electromotor of condenser is not worked, working medium flows out after throttling arrangement 21 reducing pressure by regulating flows from condenser, by evaporimeter 27 evaporation endothermics, return cross valve 9, cooled via

return air pipe

10, 25, enter knockout drum 23, return compressor 1 and complete refrigeration+water heating circulation of one-period, this loop cycle is back and forth so that infinite realization refrigeration while water heating object,

When in water heating process, water temperature is raised to uniform temperature, control system temperature-sensitive signal notifies domestic hot-water's heat exchanger 8 hot-water outlet pipes' magnetic valve 15 to close, going out hot water detours through superheater 3 post bake formation high-temperature-hot-waters, now the whole process condenser fan of water heating is in stopping or coda dead slow speed state, complete after high-temperature-hot-water heating, water heating+refrigeration mode operating mode proceeds to refrigeration mode work automatically.

3, independent water heating operational mode:

The gaseous working medium that compressor 1 absorbs in knockout drum 23, be compressed into after high temperature and high pressure gas, through blast pipe 2, enter superheater 3, enter cross valve 6, through refrigerant inlet tube 7, enter domestic hot-water's heat exchanger 8 the cool water heating entering from water inlet pipe 17, high temperature and high pressure gas is cooled to liquid gradually on 8 li, domestic hot-water's heat exchanger, through refrigerant exit pipe 19, cross check valve 4, through cross valve 9 commutations, flow to evaporimeter 27, now the fan electromotor of evaporimeter (or air-conditioning water route) is not worked, working medium flows out after throttling arrangement 21 reducing pressure by regulating flows from evaporimeter, by condenser 12(, be now evaporator function) evaporation endothermic, return cross valve 9, cooled via return air pipe 10, 25, enter knockout drum 23, return compressor 1 and complete the independent water heating circulation of one-period, this circulation in fact and to heat circulation identical, and difference is that the high temperature and high pressure gas that independent water heating mode compression machine is discharged crosses after cross valve 6, first passes through domestic hot-water's heat exchanger 8, then the fan electromotor of evaporimeter is not worked during process indoor evaporator 27, during heating mode, the high temperature and high pressure gas that compressor is discharged is crossed after cross valve 6, directly through indoor evaporator 27, the now fan electromotor work of evaporimeter, after heat routinely basic model and no longer describe in detail,

When in independent water heating process, water temperature is raised to uniform temperature; control system temperature-sensitive signal notifies domestic hot-water's heat exchanger 8 hot-water outlet pipes' magnetic valve 15 to close; going out hot water detours through superheater 3 post bake formation high-temperature-hot-waters; now the whole process indoor evaporator of water heating fan is in halted state; complete after high-temperature-hot-water heating autostop.

The utility model feature is to have overcome unstable and the shortcoming that can not preparing high-temp hot water of the air conditioner water heating machine water heating operating mode of existing exploitation, it freezes+and domestic hot-water's mode operation Energy Efficiency Ratio processed can reach more than 8, substantially exceed the new Energy Efficiency Standard Energy efficiency evaluation of domestic air conditioning value 3.4 and 1 grade of efficiency value 3.6, the dual-purpose machine of the utility model air-conditioning domestic hot-water is the typical products of highly-efficient energy-saving low-carbon life, is applicable to all fields of people's life.

Claims

1. the dual-purpose machine of air-conditioning domestic hot-water, structure comprises compressor, cross valve, condenser, throttling arrangement, evaporimeter, knockout drum, and the pipeline connecting between each parts, it is characterized in that: by the high-pressure exhaust pipe series connection superheater between compressor and cross valve, in the middle of tube connector between cross valve and another newly-increased cross valve, connect domestic hot-water's heat exchanger and check valve, using separately domestic hot-water's pattern or refrigeration+domestic hot-water pattern, high-temperature gas working medium first flows to condenser after domestic hot-water's heat exchanger again; Using refrigeration or heating mode, cross valve commutation short circuit, bypasses the operation of domestic hot-water's heat exchanger, compressor high temperature and high pressure gas working medium, and direct short-circuit enters condenser or evaporimeter refrigeration or heats conventional basic model operation; Domestic hot-water's heat exchanger exit hot-water line is connected to magnetic valve, the import and export two ends of magnetic valve are respectively equipped with threeway, two threeway vertical joints and superheater water inlet pipe and water outlet pipe are connected, and when magnetic valve is opened, the short circuit of heat exchanger exit hot water flows directly into outside heat storage water tank through magnetic valve; During closed electromagnetic valve, heat exchanger exit hot water is blocked and detours that to enter superheater post bake be to flow back to electromagnetic valve outlet pipe after high-temperature water by magnetic valve, then flows into outside heat storage water tank.