CN2802360Y - High-efficiency heat pump water heater of quickly direct hot water discharging - Google Patents
High-efficiency heat pump water heater of quickly direct hot water discharging Download PDFInfo
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- CN2802360Y CN2802360Y CN 200520061270 CN200520061270U CN2802360Y CN 2802360 Y CN2802360 Y CN 2802360Y CN 200520061270 CN200520061270 CN 200520061270 CN 200520061270 U CN200520061270 U CN 200520061270U CN 2802360 Y CN2802360 Y CN 2802360Y
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Abstract
The utility model discloses a high-efficiency heat pump water heater of quickly direct hot water discharging, which omits a heat exchanging water storage tank. The utility model mainly solves the technical problem that the whole heat pump hot water system is kept at a low condensation temperature; thus, the consumed power is lowered and users can use hot water at any time. Thereby, the utility model is provided with a reverse direction condensation heat exchanger for cold water and refrigerant. A section of spiral refrigerant pipe positioned between an output end of a four-way valve in the utility model and a depressurization heat absorption device is arranged in the reverse direction condensation heat exchanger. The heat exchanger is provided with a cold water inlet and a hot water outlet. The utility model has high power-efficiency ratio, very fast rate of producing the hot water and capability of providing the hot water of 70 DEG C at any time in a year. The utility model is particularly suitable for being used on the occasion of hotels, bath rooms, cosmetology and hair salons, troops, schools, factories, government offices, enterprises, institutions, hospitals, etc.
Description
Technical field
The utility model relates to the heat pump water-heating machine technical field, particularly a kind of high-effect heat pump water-heating machine that directly goes out hot water fast of not establishing the heat exchange water tank.
Background technology
Existing heat pump water-heating machine mainly is made up of parts such as finned evaporator 5, air circulation fans 6 and hot water effluent's stop valve 7 of 3,1 or many step-down throttle capillary tubes 4 of water storage hot-water cylinder of one or more refrigeration compressors 1, one or more defrosts commutation cross valves 2, band heat exchange, one or more outdoor heat absorption heat exchange, cold water water inlet Water stop valves 8, referring to shown in Figure 1.This heat pump water-heating machine is when operation, the high-temperature high-pressure refrigerant of discharging from compressor 1 up to 90 ℃ about, therefore, must be provided with the water tank 3 that carries out heat exchange by water and cold-producing medium, heat by the cold water draw refrigerant of water tank 3, and reduce the temperature of 1 discharging refrigerant of compressor and make it become cryogenic high pressure liquid (heat of water draw refrigerant and make the water temperature-rise period of water tank be slowly) by the water in the water tank 3, after carrying out step-down by the capillary 4 that plays the step-down throttling action then, enter evaporimeter 5 operation of absorbing heat.Change overheated dry flue gas after the cold-producing medium gasification heat absorption into behind defrost commutation cross valve 2, enter compressor again again and make compression cycle next time.Because the water capacity of the water storage hot-water cylinder 3 of band heat exchange has certain limiting the quantity of, so it is general relatively slowly to reach the process that satisfies serviceability temperature from initial temperature, and along with the water temperature of water tank 3 heats up gradually, the cool temperature of coagulating of its cold-producing medium can raise along with the rising of water temperature.And the rising of condensation temperature all is disadvantageous for the life-span of compressor and the operate as normal of system, and particularly when water tank 3 water temperatures reached 55 ℃, its condensation temperature and condensing pressure all exceeded the normal range of operation of system, even might reach 27-28Kg/cm
2, at this moment bigger to refrigeration system harm, and power consumption can increase thereupon.
Summary of the invention
The technical problems to be solved in the utility model is to make whole heat pump hot-water system all remain on low condensation temperature, thereby reduces its consumed power; The user can use hot water at any time.
The technical solution that the utility model proposed is such: a kind of high-effect heat pump water-heating machine that directly goes out hot water fast, comprise refrigeration compressor 1, four-way change-over valve 2, circulating fan 6, finned evaporator 5, step-down heat-absorbing device 4, described refrigeration compressor 1 output is connected with four-way change-over valve 2 input a, the output b of four-way change-over valve 2 is connected by reverse condensate and heat exchanger 13 1 ends of refrigerant pipe and cold water and cold-producing medium, cold water is connected with step-down heat-absorbing device 4 one ends with reverse condensate and heat exchanger 13 other ends of cold-producing medium, step-down heat-absorbing device 4 other ends are connected with finned evaporator 5 one ends, finned evaporator 5 refrigerant pipes that the other end connects are connected with refrigeration compressor 1 input through the end of convert c of four-way change-over valve 2, between step-down heat-absorbing device 4 and finned evaporator 5, be provided with circulating fan 6, also be provided with the reverse condensate and heat exchanger 13 of cold water and cold-producing medium, one section spirality refrigerant pipe between four-way change-over valve 2 output b and step-down heat-absorbing device 4 is contained in described cold water and the reverse condensate and heat exchanger 13 of cold-producing medium, and this heat exchanger 13 is provided with cold water inlet and hot water outlet.Described step-down heat-absorbing device 4 can be throttle capillary tube or decompressional expansion valve.Cold water water inlet end at cold water and the reverse condensate and heat exchanger 13 of cold-producing medium is provided with cold water water inlet stop valve 8, is connected with running water pipe by this cold water water inlet stop valve 8.Cold water is connected with hot water water tank 9 by water pipe with the hot water outlet of the reverse condensate and heat exchanger 13 of cold-producing medium.Independent variable constant current water valve 12 is equipped with in being connected between the hot water outlet of the reverse condensate and heat exchanger 13 of cold water and cold-producing medium and hot water water tank 9 in the water pipe.Can be provided with supply-water pump 10 and hot water effluent's stop valve 11 in hot water water tank 9 outsides, and hot water water tank 9, supply-water pump 10, hot water stop valve 11 are connected by water pipe.
Compared with prior art, the utlity model has following beneficial effect:
(1) the utility model is on existing heat pump water-heating machine architecture basics, cancelled the water tank of band heat exchange, get and replace with the reverse condensate and heat exchanger of hot water and cold-producing medium, high-temperature high-pressure refrigerant gas by the refrigeration compressor discharge, directly enter reverse condensate and heat exchanger of cold water and cold-producing medium and cold water and carry out reverse-flow heat exchange, can obtain to be not less than 70 ℃ hot water apace, the user can be at any time with opening at any time, or come stored hot water with the insulation water tank, use very convenient, safety and comfort.
(2) because the cold water that carries out heat exchange with cold-producing medium in the heat exchanger is once to circulate, the water that promptly at every turn enters heat exchanger all is water at low temperature, and be reverse-flow heat exchange, thereby, whole heat pump hot-water system all can keep low condensation temperature, thereby greatly reduce the consumed power of this heat pump, its range of decrease can reach 25-35%, has saved electric power energy significantly.
(3) when the instant hot water amount who supplies of needs is very big, can overlap above heat pump water-heating machine parallel running with two covers or two, at this moment, the spirality refrigerant pipe that overlaps heat pump water-heating machine is fixed in cold water and the reverse condensate and heat exchanger of cold-producing medium side by side more, just can achieves the above object.
(4) this goes out directly fast that the high-effect heat pump water-heating machine of hot water is simple in structure, Energy Efficiency Ratio is high, the speed that produces hot water is fast especially.
The utility model mainly is applicable to places such as hotel, publilc baths, Hair Salon, army, school, factory, machine-operated enterprises and institutions, hospital.
Description of drawings
Fig. 1 is the theory structure schematic diagram of existing heat pump water-heating machine.
Fig. 2 is the high-effect heat pump water-heating machine theory structure schematic diagram that directly goes out hot water fast of an embodiment of the utility model.
Wherein: 1, refrigeration compressor; 2, four-way change-over valve; 3, the water storage hot-water cylinder of band heat exchange; 4, throttle capillary tube; 5, finned evaporator; 6, circulating fan; 7, hot water effluent's stop valve; 8, cold water water inlet stop valve; 9, hot water water tank; 10, supply-water pump; 11, hot water effluent's stop valve; 12, independent variable constant current water valve; 13, the reverse condensate and heat exchanger of cold water and cold-producing medium.
The specific embodiment
By following embodiment the utility model is further elaborated.
Referring to shown in Figure 2, present embodiment is a kind of exempts from the high-effect heat pump water-heating machine that the heat exchange water tank directly goes out hot water fast, mainly is formed by connecting by the reverse condensate and heat exchanger 13 of refrigeration compressor 1, defrost four-way change-over valve 2, cold water and cold-producing medium, capillary 4, finned evaporator 5, circulating fan 6, cold water water inlet stop valve 8, independent variable constant current water valve 12, hot water water tank 9, supply-water pump 10, hot water effluent's stop valve 11 and coolant hose, water pipe.The high-temperature high-pressure refrigerant gas of discharging from refrigeration compressor 1 directly enters cold water and carries out the fast reverse heat exchange with cold-producing medium reverse condensate and heat exchanger 13 backs and cold water, it is cryogenic high pressure liquid that high-temperature high-pressure refrigerant gas is coagulated, 5 gasifications of inlet chamber outer heat-exchanger one finned evaporator are absorbed heat after entering 4 step-downs of step-down throttle capillary tube, enter the preparation that compressor 1 is done next circulation then.When cold water enters cold water and cold-producing medium and carries out the heat exchanger 13 of heat exchange, after carrying out temperature constant by the hot water that countercurrent flow produced by the 12 pairs of hot water of a constant temperature unsteady flow control valve one independent variable constant current water valve outside the system, flow directly into the outer insulation hot water water tank 9 of heat pump water-heating machine system, use at any time for the user.More convenient handy mode is at hot water water tank 9 one sides installing supply-water pump 10 and hot water effluent's stop valve 11.
Claims (7)
1, a kind of high-effect heat pump water-heating machine that directly goes out hot water fast, comprise refrigeration compressor (1), four-way change-over valve (2), circulating fan (6), finned evaporator (5), step-down heat-absorbing device (4), described refrigeration compressor (1) output is connected with four-way change-over valve (2) input (a), the output (b) of four-way change-over valve (2) is connected by reverse condensate and heat exchanger (13) one ends of refrigerant pipe and cold water and cold-producing medium, cold water is connected with step-down heat-absorbing device (4) one ends with the reverse condensate and heat exchanger of cold-producing medium (13) other end, step-down heat-absorbing device (4) other end is connected with finned evaporator (5) one ends, finned evaporator (5) refrigerant pipe that the other end connects is connected with refrigeration compressor (1) input through the end of convert (c) of cross valve (2), be provided with circulating fan (6) between described step-down heat-absorbing device (4) and the finned evaporator (5), it is characterized in that: also be provided with the reverse condensate and heat exchanger of cold water and cold-producing medium (13), the one section spirality refrigerant pipe that is positioned between four-way change-over valve (2) output (b) and the step-down heat-absorbing device (4) is contained in described cold water and the reverse condensate and heat exchanger of cold-producing medium (13), and this heat exchanger (13) is provided with cold water inlet and hot water outlet.
2, the high-effect heat pump water-heating machine that directly goes out hot water fast according to claim 1, it is characterized in that: described step-down heat-absorbing device (4) is a throttle capillary tube.
3, the high-effect heat pump water-heating machine that directly goes out hot water fast according to claim 1, it is characterized in that: described step-down heat-absorbing device (4) is the decompressional expansion valve.
4, the high-effect heat pump water-heating machine that directly goes out hot water fast according to claim 1, it is characterized in that: the cold water water inlet end of the reverse condensate and heat exchanger of described cold water and cold-producing medium (13) is provided with cold water water inlet stop valve (8), is connected with running water pipe by this cold water water inlet stop valve (8).
5, the high-effect heat pump water-heating machine that directly goes out hot water fast according to claim 1, it is characterized in that: described cold water is connected with hot water water tank (9) by water pipe with the hot water outlet of the reverse condensate and heat exchanger of cold-producing medium (13).
6, the high-effect heat pump water-heating machine that directly goes out fast hot water according to claim 5 is characterized in that: independent variable constant current water valve (12) is equipped with in being connected between the hot water outlet of described cold water and the reverse condensate and heat exchanger of cold-producing medium (13) and the hot water water tank (9) in the water pipe.
7, the high-effect heat pump water-heating machine that directly goes out hot water fast according to claim 5, it is characterized in that: described hot water water tank (9) outside is provided with supply-water pump (10) and hot water effluent's stop valve (11), and by water pipe hot water water tank (9), supply-water pump (10), hot water stop valve (11) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520061270 CN2802360Y (en) | 2005-07-06 | 2005-07-06 | High-efficiency heat pump water heater of quickly direct hot water discharging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520061270 CN2802360Y (en) | 2005-07-06 | 2005-07-06 | High-efficiency heat pump water heater of quickly direct hot water discharging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2802360Y true CN2802360Y (en) | 2006-08-02 |
Family
ID=36847070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520061270 Expired - Fee Related CN2802360Y (en) | 2005-07-06 | 2005-07-06 | High-efficiency heat pump water heater of quickly direct hot water discharging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2802360Y (en) |
-
2005
- 2005-07-06 CN CN 200520061270 patent/CN2802360Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LI XINGRUI Free format text: FORMER OWNER: LI YONGQIANG Effective date: 20110524 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 528000 MAILBOX 506, NO. 27, JIANGWAN 1ST ROAD, FOSHAN CITY, GUANGDONG PROVINCE TO: 528000 NO. 9, CHANGLU ROAD, INDUSTRIAL ZONE, SIJIU VILLAGE, ANZHONG, HUANSHI TOWN, CHANCHENG DISTRICT, FOSHAN CITY, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110524 Address after: Road four old village industrial zone, Chancheng District of Guangdong province 528000 factory town of Foshan city in 9. Patentee after: Li Xingrui Address before: 506 box 27, No. 528000, Jiangwan, Guangdong, Foshan Patentee before: Li Yongqiang |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060802 Termination date: 20140706 |
|
| EXPY | Termination of patent right or utility model |