CN102313397B - Water heating machine system of heat recovery multi-gang heat pump air conditioner - Google Patents

Water heating machine system of heat recovery multi-gang heat pump air conditioner Download PDF

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Publication number
CN102313397B
CN102313397B CN201110289128.0A CN201110289128A CN102313397B CN 102313397 B CN102313397 B CN 102313397B CN 201110289128 A CN201110289128 A CN 201110289128A CN 102313397 B CN102313397 B CN 102313397B
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China
Prior art keywords
branch pipe
heat exchanger
valve
indoor heat
pipe
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Expired - Fee Related
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CN201110289128.0A
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Chinese (zh)
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CN102313397A (en
Inventor
梁伯启
许永锋
李宏伟
李洪生
冯伟
张光鹏
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Guangdong Midea Electric Appliances Co Ltd
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Guangdong Midea Electric Appliances Co Ltd
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Priority to CN201110289128.0A priority Critical patent/CN102313397B/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention discloses a water heating machine system of a heat recovery multi-gang heat pump air conditioner, which comprises a compressor, a three-way valve, an outdoor heat exchanger, an indoor heat exchanger, and a plurality of electronic expansion valves, branch pipes and electromagnetic valves. One end of the three-way valve is communicated with a high-pressure air pipe of the compressor; the other end of the three-way valve is communicated with the outdoor heat exchanger, the electronic expansion valves, the branch pipes and the indoor heat exchanger in sequence; and the high-pressure air pipe and a high-pressure liquid pipe of the compressor are respectively connected with a water heating tank through the branch pipes and the electronic expansion valves. By using the water heating machine system, the breakover or the turning off of the electromagnetic valves is controlled through an electric control device to switch the communication of a low-pressure air pipe, the high-pressure air pipe and the indoor heat exchanger, so that the indoor heat exchanger can carry out refrigeration or heating, and the breakover or the turning off of the electromagnetic valves is controlled through the electric control device, so that the high-pressure air pipe and the water heating tank are subjected to the breakover or are turned off and the water heating tank can heat water. By adopting the way, through the whole system, the running of three basic modes, namely, air conditioner refrigeration, air conditioner heating and water heating, can be achieved simultaneously.

Description

Water heating machine system of heat recovery multi-gang
Technical field
The present invention relates to a kind of Water heating machine system of heat recovery multi-gang, belong to air-conditioning environmental protection and energy saving technical field.
Background technology
Existing multi-connected heat pump hot water machine is a kind of Heat recovery air conditioner, and it only has 4 kinds of basic operational modes, i.e. air conditioner refrigerating, air-conditioning heating, water heating, air conditioner refrigerating+water heating.There is in actual applications limitation, can't realize the functions such as while air-conditioning heating+water heating, the space requirement water heating that the space requirement had in winter heats, has, at this time existing multi-connected heat pump water-heating machine system can't be realized.Simultaneously existing multi-connected heat pump hot water machine, all adopt special water fluorine heat exchanger heat hot water, and must configure water pump and just can be supplied water, complex structure, and potential faults is many, and maintenance cost is high.And water fluorine heat exchanger contacts with high-temperature-hot-water for a long time, the impact that easily is subject to water quality produces a large amount of incrustation scales and stops up, and cleans difficulty, gently affects heat exchange, heavy cause water fluorine heat exchanger to damage and secondary refrigerant leakage, even explodes etc.In addition, it must adopt water pump to supply water, and not only increases system power consumption, and water pump is affected by incrustation scale also simultaneously, and reliability and life-span be bad assurance all.Existing Three-pipe heat recovery multi-connected machine can be realized simultaneously air conditioner refrigerating+heat-production functions, is also a kind of Heat recovery air conditioner, but also has limitation, equally can't water heating, and application scenario is less.
Chinese patent literature CN101235993 discloses a kind of four-pipe heating pump, hot water three-purpose central air-conditioning system on August 6th, 2008, by heat pump, Hot water units, wet cooling tower, indoor heat exchanger, condenser pump, refrigerating water pump, hot water circulating pump and hot water thermal insulating case, formed, heat pump, Hot water units are comprised of compressor, hot water heat exchanger, condenser, filter, throttle mechanism and evaporimeter, and wet cooling tower is comprised of finned coil, cooling tower circulating pump, cooling blower.It is said, this three use central air conditioner system can four control provide refrigerating medium, can annually supply with hot refrigerating medium, cold refrigerating medium and domestic hot-water, and room temperature is realized to flexible modulation, round-the-clockly provides the domestic hot-water.But its structure is very complicated, manufacture operating cost higher, reliability is also poor, is necessary further Improvement and perfection.
Summary of the invention
Purpose of the present invention aims to provide a kind of simple and reasonable, manufacturing cost is lower, easy for installation, operating cost is low, environmental protection and energy saving, the multiple heat pump air-conditioning water heater that can simultaneously realize air-conditioning heating+water heating function that has wide range of applications, to overcome weak point of the prior art.
A kind of Water heating machine system of heat recovery multi-gang by this purpose design, comprise compressor, triple valve, outdoor heat exchanger, more than one indoor heat exchanger and a plurality of electric expansion valve, branch pipe, magnetic valve; One end of triple valve is communicated with the high-pressure air pipe of compressor, the other end is communication chamber external heat exchanger, electric expansion valve, branch pipe and indoor heat exchanger successively, it is characterized in that the high-pressure liquid tube of compressor is connected with plural heating water tank by branch pipe, electric expansion valve; The high-pressure air pipe of compressor is connected with plural heating water tank by other branch pipe, magnetic valve, and heating water tank is connected with the hot water feeding pipe road with running water.
Described triple valve is two or more, two triple valves rear and compressor formation link circuits parallel with one another, the input of two triple valves is connected with the high-pressure air pipe of compressor, wherein: the output terminals A of the first triple valve is communication chamber external heat exchanger, the first electric expansion valve, the first branch pipe, the second electric expansion valve successively, and the A end of then with the first indoor heat exchanger is connected; The output B of the first triple valve is communicated with the second branch pipe by low pressure gas pipe; The output terminals A of the second triple valve is communicated with the 3rd branch pipe by high-pressure air pipe, and described heating water tank is the pressure-bearing type attemperater.
Be serially connected with the 4th branch pipe on the B end of described the first branch pipe, on the B end of the 3rd branch pipe, be serially connected with the 5th branch pipe; Connect the B end of the first indoor heat exchanger after the A end parallel connection of the A end of the second branch pipe and the 3rd branch pipe; The A end of the 4th branch pipe is communicated with the A end of the second indoor heat exchanger; Connect the B end of the second indoor heat exchanger after the A end parallel connection of the B end of the second branch pipe and the 5th branch pipe; Be serially connected with the 6th branch pipe on the B end of the 4th branch pipe, on the B end of the 5th branch pipe, be serially connected with the 7th branch pipe, the A end of the 6th branch pipe is communicated with the first heating water tank by electric expansion valve, and the A end of the 7th branch pipe is communicated with the first heating water tank by magnetic valve.
The B end of described the 6th branch pipe connects the second heating water tank by the B end of electric expansion valve, the 7th branch pipe by magnetic valve.
Described heating water tank connects the high-pressure air pipe side and is provided with magnetic valve, connects the high-pressure liquid tube side and is provided with electric expansion valve; As required, by increasing branch pipe, electric expansion valve, magnetic valve, native system can connect many heating water tank.
Be provided with electric expansion valve on the branch pipe of connection indoor heat exchanger A end, on the branch pipe of connection indoor heat exchanger B end, be provided with magnetic valve; As required, by increasing branch pipe, electric expansion valve, magnetic valve, native system can connect many indoor heat exchangers.
The present invention control the conducting of magnetic valve by electric control gear or close to switch low pressure gas pipe, high-pressure air pipe is communicated with indoor heat exchanger, and indoor heat exchanger can be freezed or heat; Control the conducting of magnetic valve or close by electric control gear, make high-pressure air pipe and heating water tank conducting or close, allowing the heating water tank can water heating.In this way, realized also while water heating of indoor heat exchanger while cooling and warming and heating water tank.Whole system can realize moving three kinds of basic models simultaneously like this: i.e. air conditioner refrigerating+air-conditioning heating+water heating.
The present invention reclaims existing heat pump water-heating machine and three-pipe heating together with two kinds of technological incorporation, by the recovery that is used of air-conditioning system used heat, greatly strengthened the effect of energy-saving and emission-reduction, and the more advanced reliable hot water heating mode of employing, meet very neatly the demand of different occasions, really accomplish that each takes what he needs.The product range of application is more extensive, and can further improve market sales volume.
The accompanying drawing explanation
Fig. 1 is one embodiment of the invention air-conditioning system schematic diagram.
In figure: 1 is compressor, 21 is the first triple valve, 22 is the second triple valve, 3 is outdoor heat exchanger, 41 is the first electric expansion valve, 42 second electric expansion valves, 43 the 3rd electric expansion valves, 44 is quadrielectron expansion valve, 51 is the first magnetic valve, 52 is the second magnetic valve, 53 is the 3rd magnetic valve, 54 the 4th magnetic valves, 55 is the 5th magnetic valve, 61 is the first indoor heat exchanger, 62 is the second indoor heat exchanger, 71 is the first heating water tank, 72 is the second heating water tank, 81 is the first branch pipe, 82 is the second branch pipe, 83 is the 3rd branch pipe, 84 is the 4th branch pipe, 85 is the 5th branch pipe, 86 is the 6th branch pipe, 87 is the 7th branch pipe, 9 is high-pressure liquid tube, 10 is low pressure gas pipe, 11 is high-pressure air pipe, C is hot water outlet, E is heat-insulation layer, G is the refrigerant heating plate, F is the running water entrance.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Referring to Fig. 1, a kind of Water heating machine system of heat recovery multi-gang, comprise compressor 1, the first triple valve 21, the second triple valve 22, outdoor heat exchanger 3, the first electric expansion valve 41, the second electric expansion valve 42, the 3rd electric expansion valve 43, quadrielectron expansion valve 44, the first magnetic valve 51, the second magnetic valve 52, the 3rd magnetic valve 53, the 4th magnetic valve 54, the 5th magnetic valve 55, the first indoor heat exchanger 61, the second indoor heat exchanger 62, heating water tank, the first branch pipe 81, the second branch pipe 82, the 3rd branch pipe 83, the 4th branch pipe 84, the 5th branch pipe 85, the 6th branch pipe 86, the 7th branch pipe 87, high-pressure liquid tube 9, the multiple heat pump air-conditioning water heater that low pressure gas pipe 10 and high-pressure air pipe 11 form.
The input of two triple valves is connected with the high-pressure air pipe 11 of compressor 1, and wherein: the output terminals A of the first triple valve 21 is communication chamber external heat exchanger 3, the first electronic expansion 41, the first branch pipe 81 successively; The output B of the first triple valve 21 is communicated with the second branch pipe 82 by low pressure gas pipe 10.The A end of the first branch pipe 81 is connected with the A end of the second electric expansion valve 42, the first indoor heat exchanger 61 successively; Being serially connected with after the A end parallel connection of the A end of the 4th branch pipe 84, the second branch pipes 82 and the 3rd branch pipe 83 B that connects the first indoor heat exchanger 61 on the B of the first branch pipe 81 end holds; The A end of the 4th branch pipe is communicated with the A end of the 3rd electric expansion valve 43, the second indoor heat exchanger 62 successively; The A end that is serially connected with the 6th branch pipe 86, the six branch pipes 86 on the B end of the 4th branch pipe 84 is communicated with the first heating water tank 71 by quadrielectron expansion valve 44.
The output terminals A of the second triple valve 22 is communicated with the 3rd branch pipe 83 by high-pressure air pipe 11.Be serially connected with the 5th branch pipe 85 on the B end of the 3rd branch pipe 83; Connect the B end of the second indoor heat exchanger 62 after the A end parallel connection of the B end of the second branch pipe 82 and the 5th branch pipe; The A end that is serially connected with the 7th branch pipe 87, the seven branch pipes 87 on the B end of the 5th branch pipe 85 is communicated with the first heating water tank 71 by the 5th magnetic valve 55.The first heating water tank 71 is connected with the hot water feeding pipe road with running water.The B end of the 6th branch pipe 86 and the 7th branch pipe 87 can as required, directly connect the second heating water tank 72 by electric expansion valve, magnetic valve.
As required, by increasing branch pipe, electric expansion valve, magnetic valve, native system can connect more indoor heat exchangers and heating water tank.
When regulating the first triple valve 21 and the second triple valve 22, and by electric control gear control the first magnetic valve 51 in conducting state, the second magnetic valve 52 in closed condition, low pressure gas pipe 10 is communicated with the first indoor heat exchanger 61, regulate the aperture of the second electric expansion valve 42 simultaneously by electric control gear, make the first indoor heat exchanger 61 in refrigeration mode; Control magnetic valve 53 in closed condition by electric control gear, magnetic valve 54 is in conducting state, high-pressure air pipe 11 is communicated with the second indoor heat exchanger 62, controls the aperture of electric expansion valve 43 simultaneously by electric control gear, make the second indoor heat exchanger 62 in heating mode; Control magnetic valve 55 in conducting state by electric control gear, high-pressure air pipe 11 is communicated with heating water tank 7, regulate the aperture of quadrielectron expansion valve 44 simultaneously by electric control gear, make heating water tank 7 in the water heating pattern.Like this, the environment temperature reduction around the first indoor heat exchanger 61 can make with environment heat exchange on every side, meet the demand of freezing; Environment around the second indoor heat exchanger 62 can make with environment heat exchange on every side heats up, and meets the demand heated; Heating water tank 7 can make the water in water tank be heated to design temperature, meets the demand of people to hot water; Whole system just can realize air conditioner refrigerating+air-conditioning heating+water heating simultaneously so.
When controlling the second magnetic valve 52, the 4th magnetic valve 54, the 5th magnetic valve 55 by electric control gear in closed condition, the first magnetic valve 51, the 3rd magnetic valve 53 are in conducting state, and be 0 by the aperture that electric control gear is controlled quadrielectron expansion valve 44, also by electric control gear, regulate the aperture of the second electric expansion valve 42, the 3rd electric expansion valve 43, make whole system only in the air conditioner refrigerating pattern.
When controlling the first magnetic valve 51, the 3rd magnetic valve 53, the 5th magnetic valve 55 by electric control gear in closed condition, the second magnetic valve 52, the 4th magnetic valve 54 are in conducting state, controlling electric expansion valve 44 apertures by electric control gear is 0, by electric control gear, regulates the second electric expansion valve 42, the 3rd electric expansion valve 43 apertures, makes whole system only in the air-conditioning heating pattern.
When by regulating the first triple valve 21, the second triple valve 22 and controlling the first magnetic valve 51, the second magnetic valve 52, the 3rd magnetic valve 53, the 4th magnetic valve 54 in closed condition by electric control gear, the 5th magnetic valve 55 is in conducting state, by electric control gear control the second electric expansion valve 42, the 3rd electric expansion valve 43 apertures are 0, regulate quadrielectron expansion valve 44 apertures, make whole system only in the air-conditioning heating aqueous mode by electric control gear.Now, running water enters heating water tank from running water entrance F, in heating water tank, by after the heating of refrigerant heat(ing) coil G, from hot water outlet C, flows out; Also be provided with heat-insulation layer E outside heating water tank.
When the conducting of controlling the first magnetic valve 51, the second magnetic valve 52, the 3rd magnetic valve 53, the 4th magnetic valve 54 by electric control gear or close to switch being communicated with of low pressure gas pipe 10 and high-pressure air pipe 11 and the first indoor heat exchanger 61, indoor heat exchanger can be freezed or heat, control the conducting of the 5th magnetic valve 55 or close switching high-pressure air pipe 11 and the first heating water tank 71 by electric control gear, can make heating water tank 7 produce the domestic hot-water.Thereby make whole system can realize 3 kinds of basic operational modes: i.e. simultaneously air conditioner refrigerating, air-conditioning heating, water heating, and three kinds of basic operational modes can any combination.

Claims (3)

1. a Water heating machine system of heat recovery multi-gang, comprise compressor (1), triple valve, outdoor heat exchanger (3), more than one indoor heat exchanger and a plurality of electric expansion valve, branch pipe, magnetic valve; One end of triple valve is communicated with the high-pressure air pipe (11) of compressor (1), the other end is communication chamber external heat exchanger (3), electric expansion valve, branch pipe and indoor heat exchanger successively, it is characterized in that the high-pressure liquid tube (9) of compressor (1) is connected with plural heating water tank by branch pipe, electric expansion valve; The high-pressure air pipe (11) of compressor (1) is connected with plural heating water tank by other branch pipe, magnetic valve, and heating water tank is connected with the hot water feeding pipe road with running water;
Described triple valve is two or more, two triple valves rear and compressor (1) formation link circuits parallel with one another, the input of two triple valves is connected with the high-pressure air pipe (11) of compressor (1), wherein: the output terminals A of the first triple valve (21) is communication chamber external heat exchanger (3), the first electric expansion valve (41), the first branch pipe (81), the second electric expansion valve (42) successively, and the A end of then with the first indoor heat exchanger (61) is connected; The output B of the first triple valve (21) is communicated with the second branch pipe (82) by low pressure gas pipe (10); The output terminals A of the second triple valve (22) is communicated with the 3rd branch pipe (83) by high-pressure air pipe (11), and described heating water tank is the pressure-bearing type attemperater;
Be serially connected with the 4th branch pipe (84) on the B end of described the first branch pipe (81), on the B end of the 3rd branch pipe (83), be serially connected with the 5th branch pipe (85); Connect the B end of the first indoor heat exchanger (61) after the A end parallel connection of the A end of the second branch pipe (82) and the 3rd branch pipe (83); The A end of the 4th branch pipe (84) is communicated with the A end of the second indoor heat exchanger (62); Connect the B end of the second indoor heat exchanger (62) after the A end parallel connection of the B end of the second branch pipe (82) and the 5th branch pipe (85); Be serially connected with the 6th branch pipe (86) on the B end of the 4th branch pipe (84), be serially connected with the 7th branch pipe (87) on the B end of the 5th branch pipe (85), the A end of the 6th branch pipe (86) is communicated with the first heating water tank (71) by quadrielectron expansion valve (44), and the A end of the 7th branch pipe (87) is communicated with the first heating water tank (71) by the 5th magnetic valve (55);
The B end of described the 6th branch pipe (86) connects the second heating water tank (72) by the B end of electric expansion valve, the 7th branch pipe (87) by magnetic valve.
2. Water heating machine system of heat recovery multi-gang according to claim 1, is characterized in that described heating water tank connects high-pressure air pipe (11) side and is provided with magnetic valve, connects high-pressure liquid tube (9) side and be provided with electric expansion valve; As required, by increasing branch pipe, electric expansion valve, magnetic valve, native system can connect many heating water tank.
3. according to the described Water heating machine system of heat recovery multi-gang of claim 1-2 any one, it is characterized in that connecting on the branch pipe of indoor heat exchanger A end and be provided with electric expansion valve, connect on the branch pipe of indoor heat exchanger B end and be provided with magnetic valve; As required, by increasing branch pipe, electric expansion valve, magnetic valve, native system can connect many indoor heat exchangers.
CN201110289128.0A 2011-09-24 2011-09-24 Water heating machine system of heat recovery multi-gang heat pump air conditioner Expired - Fee Related CN102313397B (en)

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