CN201327182Y - Air-conditioning heat pump hot water unit - Google Patents
Air-conditioning heat pump hot water unit Download PDFInfo
- Publication number
- CN201327182Y CN201327182Y CNU2008201891304U CN200820189130U CN201327182Y CN 201327182 Y CN201327182 Y CN 201327182Y CN U2008201891304 U CNU2008201891304 U CN U2008201891304U CN 200820189130 U CN200820189130 U CN 200820189130U CN 201327182 Y CN201327182 Y CN 201327182Y
- Authority
- CN
- China
- Prior art keywords
- pipe
- mouth
- heat exchanger
- water
- hot water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 238000004378 air conditioning Methods 0.000 title abstract description 6
- 239000003507 refrigerant Substances 0.000 claims abstract description 20
- 239000012530 fluid Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 abstract description 8
- 239000008236 heating water Substances 0.000 abstract description 4
- 238000005338 heat storage Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 4
- 239000008400 supply water Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000036413 temperature sense Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/003—Indoor unit with water as a heat sink or heat source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02742—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using two four-way valves
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to a household electrical appliances field especially relates to an air conditioner heat pump hot water unit. The air-conditioning heat pump hot water unit comprises a compressor, a first four-way valve, a plurality of indoor heat exchangers, an indoor electronic expansion valve, a liquid storage tank and an outdoor heat exchanger, wherein the first four-way valve, the plurality of indoor heat exchangers, the indoor electronic expansion valve, the liquid storage tank and the outdoor heat exchanger are sequentially connected to form a closed loop; the system also comprises a second four-way valve, a small water tank and an additional heat exchanger; the second four-way valve comprises: a pipe orifice D1 connected with the exhaust port of the compressor; a pipe orifice S1 connected with the low-pressure air suction port of the compressor; a pipe orifice E1 connected to the liquid storage tank through a refrigerant pipe; and a nozzle C1 connected to the nozzle S1; a refrigerant pipe between the pipe orifice E1 and the liquid storage tank passes through the additional heat exchanger; the small water tank is provided with a water inlet and a water outlet, and the water inlet is connected with an external cold water source through a water inlet pipe; the water inlet pipe passes through the additional heat exchanger. The air-conditioning heat pump hot water unit can provide the function of heating water under the condition that a large-scale heat storage water tank is not needed.
Description
Technical field
The utility model relates to the household appliances field, relates in particular to a kind of air conditioner heat pump hot water group.
Background technology
At present, air-conditioning water heating device on the market all need dispose large-scale hot water storage water tank, provide the domestic hot-water by the recirculated water in the heating water tank, this system has not only increased cost, simultaneously owing to the water tank volume is big, Heavy Weight etc. brought very big problem to construction, and owing to water storage in the water tank is more, the water that heats in the whole water tank needs the long period, is not easy to use; Meanwhile, the direct-heating-type Teat pump boiler that solves large-scale hot water storage water tank problem is arranged, but the direct-heating-type Teat pump boiler will have widely the hot water deliverability and keep quick and stable hot water supply temperature under the vicissitudinous condition of hot water supply flow be difficult, and do not have the used heat of reasonable use air-conditioning to produce hot water, wasted the energy.So need develop and a kind ofly can satisfy air conditioner refrigerating, heat, domestic hot-water's immediate heating type air conditioner heat pump hot water group can in time be provided again.
The utility model content
The purpose of this utility model provides little and air conditioner heat pump hot water group hot-water supply immediately of a kind of volume.
For achieving the above object, the utility model provides following technical scheme:
The air conditioner heat pump hot water group comprises compressor and is connected first cross valve of forming loop, some indoor heat exchangers, some throttling arrangements, fluid reservoir, outdoor heat exchanger by the refrigerant pipe in turn;
In addition,
Also comprise second cross valve, water tank, additional heat exchanger;
Described first cross valve comprises:
The mouth of pipe D that is connected with exhaust outlet of compressor;
The mouth of pipe S that is connected with compressor low pressure air suction mouth;
The mouth of pipe E that connects indoor heat exchanger; With
The mouth of pipe C of junction chamber external heat exchanger;
Described second cross valve comprises:
The mouth of pipe D1 that is connected with exhaust outlet of compressor;
The mouth of pipe S1 that is connected with compressor low pressure air suction mouth;
Be connected to the mouth of pipe E1 of fluid reservoir by the refrigerant pipe; With
Be connected to the mouth of pipe C1 of described mouth of pipe S1 by capillary;
Refrigerant pipe between described mouth of pipe E1 and the fluid reservoir passes through described water tank, additional heat exchanger successively.
Above-mentioned air conditioner heat pump hot water group combines air-conditioning system and hot-water heating system, and indoor set can be selected refrigeration or heating mode arbitrarily, simultaneously, can in time provide the function that heats water; And ever-changing along with user's water consumption, the instantaneity and the stability of the hot water of can both guaranteeing supply satisfy the requirement that user's start just can produce high-temperature-hot-water.
Description of drawings
Fig. 1 is the structure chart of the utility model air conditioner heat pump hot water group.
The utility model is described in further detail below in conjunction with drawings and Examples.
The specific embodiment
Embodiment one
Referring to Fig. 1, the air conditioner heat pump hot water group, comprise compressor 1 and be connected first cross valve 2, some indoor heat exchangers 4 (this sentences a heat exchanger is example), indoor electric expansion valve 5, fluid reservoir 6, the outdoor heat exchanger 8 of forming loop by the refrigerant pipe in turn, certainly, except above-mentioned indoor electric expansion valve 5, also comprise some other throttling arrangements, do not describe in detail at this.Also comprise second cross valve 3, water tank 9 and additional heat exchanger 10 in addition.The volumetric ratio of water tank 9 is less, probably at 30-50L.First cross valve 2 comprises mouth of pipe D, mouth of pipe S, mouth of pipe E and mouth of pipe C.Mouth of pipe D is connected with the high-pressure exhaust of compressor 1; Mouth of pipe S is connected with the low pressure air suction mouth of compressor 1; Mouth of pipe E connects indoor heat exchanger 4; Mouth of pipe C junction chamber external heat exchanger 8.Second cross valve 3 comprises mouth of pipe D1, mouth of pipe S1, mouth of pipe E1 and mouth of pipe C1.Mouth of pipe D1 is connected with the exhaust outlet of compressor 1; Mouth of pipe S1 is connected with the low pressure air suction mouth of compressor 1; Mouth of pipe E1 is connected to fluid reservoir 6 by refrigerant pipe 15; Mouth of pipe C1 is connected to mouth of pipe S1 by capillary.Refrigerant pipe 15 passes through additional heat exchanger 10 and water tank 9 respectively.Water tank 9 is provided with water inlet A and water outlet B, and water inlet A connects outside cold water source by water inlet pipe 13.On water inlet pipe 13, also be provided with the flow regulator 14 of control current size.Water inlet pipe 13 in additional heat exchanger, flows to water tank 9 after the cold water in the water inlet pipe 13 is heated through additional heat exchanger 10.
Above-mentioned air conditioner heat pump hot water group can realize freezing, heat, heat water, freeze and heat water, heat and heat five kinds of mode of operations of water.Introduce the course of work of this air conditioner heat pump hot water group under above-mentioned five kinds of mode of operations below:
The course of work of refrigeration is as follows: during refrigerating operaton, the mouth of pipe D of first cross valve 2 connects mouth of pipe C, and the mouth of pipe D1 of second cross valve 2 connects mouth of pipe C1.Low temperature from indoor heat exchanger 4, low pressure refrigerant gas is converged after compressor 1 is compressed into the refrigerant gas of HTHP, again through first cross valve, 2 inlet chamber external heat exchangers 8, its heat content is discharged to outdoor air or cooling water, cold-producing medium becomes liquid through heat exchange, again through first electric expansion valve 7, fluid reservoir 6 arrives the 3rd electric expansion valve 5, through the 5 throttling step-downs of the 3rd electric expansion valve, heat exchanger 4 in the inlet chamber of cooling back, carry out heat exchange and become low temperature with the indoor air that needs to regulate, low pressure refrigerant gas, circulation so again and again, cold is delivered to the indoor continually.
The course of work that heats is as follows: during heating operation, the mouth of pipe D of first cross valve 2 connects mouth of pipe E, and the mouth of pipe D1 of second cross valve 2 connects mouth of pipe C1, and second electric expansion valve 11 is closed, as shown in Figure 1 state.Cold-producing medium circulates by the inverse process of process of refrigerastion, the cold-producing medium of HTHP arrives indoor heat exchanger 4 through first cross valve 2, and carry out heat exchange with the indoor air of need regulating, release heat, cold-producing medium becomes liquid state, arrive first electric expansion valve 7 through the 3rd electric expansion valve 5, fluid reservoir 6 again, after 7 throttlings of first electric expansion valve, evaporate at outdoor heat exchanger, become the refrigerant gas of low pressure, get back to compressor 1 suction end at last, circulation so again and again, heat is delivered to the indoor continually.
The course of work that heats water is as follows: when heating water running, the mouth of pipe D of first cross valve 2 connects mouth of pipe E, and the mouth of pipe D1 of second cross valve 2 connects mouth of pipe E1, and the 3rd electric expansion valve 5 is closed.The cold-producing medium of HTHP is through second cross valve 3, water tank 9, carry out heat exchange for 10 li in additional heat exchanger, and emit heat, cold water in the cold water pipe 13 is heated and flows into water tank 9, and and the hot water of 9 li in water tank mix the back and flow out from water outlet B and use for the user, cold-producing medium becomes liquid state simultaneously, evaporation in outdoor heat exchanger 8 after second electric expansion valve 11 and 7 throttlings of first electric expansion valve, become the refrigerant gas of low pressure, get back to the suction end of compressor 1 at last, circulation so again and again, heat heats the domestic hot-water continuously.
Refrigeration and to heat the course of work of water as follows: refrigeration operation simultaneously heats water, and the mouth of pipe D of first cross valve 2 connects mouth of pipe C, and the mouth of pipe D1 of second cross valve 2 connects mouth of pipe E1.Low pressure refrigerant gas is converged the back and is compressed into high-temperature high-pressure refrigerant by compressor 1, cold-producing medium is divided into two-way then, one the tunnel through the 2 inlet chamber external heat exchanger heat exchange of first cross valve, after 7 throttlings of first electric expansion valve, flow into fluid reservoir 6, another road enters additional heat exchanger 10 heat exchange after through second cross valve 3, water tank 9, flows into fluid reservoir 6 then.Cold water is heated and flows into water tank 9, and uses for the user from the water outlet B outflow with the hot water mixing back in the water tank.Simultaneously, the two-way cold-producing medium is after fluid reservoir 6 mixes, heat exchanger 4 in the inlet chamber after the 5 throttling step-downs of the 3rd electric expansion valve, cooling again, carry out heat exchange with the indoor air of need regulating and become the refrigerant gas of low temperature, low pressure, circulation so again and again, thus reach the purpose of freezing and heating water.
The course of work that heats and heat water is as follows: heat simultaneously operation and heat water, the mouth of pipe D of first cross valve 2 connects mouth of pipe E, and the mouth of pipe D1 of second cross valve 2 connects mouth of pipe E1.The cold-producing medium one tunnel of HTHP is to arrive indoor heat exchanger 4 through first cross valve 2, and carries out heat exchange with the indoor air that needs to regulate, release heat, and cold-producing medium becomes liquid state, arrives first electric expansion valve 7 through the 3rd electric expansion valve 5, fluid reservoir 6 again; Another road is to arrive additional heat exchanger 10 through second cross valve 3, water tank 9, arrives first electric expansion valve 7 through second electric expansion valve 11, fluid reservoir 6 again.After 7 throttlings of first electric expansion valve,, become the refrigerant gas of low pressure, get back to compressor 1 suction end at last in the outdoor heat exchanger evaporation, circulation so again and again, thus reach the purpose that heats and heat water.
Above-mentioned air conditioner heat pump hot water group realizes the instantaneity of heat supply water by water tank 9 is set.When user's request hot water, in order to solve the time delay of hot water supply, high-temperature-hot-water and the running water with 9 li preservations of water tank is mixed into required water temperature (by valve control) earlier, and promptly moment just can produce the hot water that is supplied to the user.Because water tank volume is big (by the calculation Design capacity) enough, can guarantee that before using up the hot water of water tank it is temperature required that the hot water of process additional heat exchanger is warming up to the user if having time; When stop supplies hot water, by temperature sense control compressor 1 (variable conpacitance compressor) low cruise make water tank 9 water temperatures be controlled at steady state value [as: when the stored hot water temperature is reduced to lower limit temperature, then control compressor 1 low speed rotation, the temperature of 9 li in water tank is elevated to set point of temperature (as 55 degree), then stops compressor operating].
Ever-changing along with water supply flow, how to guarantee the instantaneity and the stability that supply water: realize by FEEDFORWARD CONTROL and FEEDBACK CONTROL, FEEDFORWARD CONTROL: the difference of target temperature and supply water temperature is multiplied by water supply flow to calculate hot water supply load, supplies load value as the FEEDFORWARD CONTROL amount with this hot water; When hot water supply flow or supply water temperature sharply change because directly reaction and change control add heat, so the reactivity of point than FEEDBACK CONTROL good and good stability.FEEDBACK CONTROL: flow out the deviation of hot water temperature and target temperature as the FEEDBACK CONTROL amount with water tank.Controlled the Calais mutually with FEEDFORWARD CONTROL by FEEDBACK CONTROL, so can reach control well reactive and that have good stability.
Certainly, the utility model air conditioner heat pump hot water group also can have other distortion.In a word, doing conspicuous change according to the prompting of the foregoing description, and other every changes that do not break away from the utility model essence, all should be included within the described scope of claim.
Claims (6)
1, air conditioner heat pump hot water group comprises compressor and is connected first cross valve of forming loop, some indoor heat exchangers, some throttling arrangements, fluid reservoir, outdoor heat exchanger by the refrigerant pipe in turn;
It is characterized in that:
Also comprise second cross valve, water tank, additional heat exchanger;
Described first cross valve comprises:
The mouth of pipe that is connected with exhaust outlet of compressor (D);
The mouth of pipe (S) that is connected with compressor low pressure air suction mouth;
The mouth of pipe (E) that connects indoor heat exchanger; With
The mouth of pipe of junction chamber external heat exchanger (C);
Described second cross valve comprises:
The mouth of pipe that is connected with exhaust outlet of compressor (D1);
The mouth of pipe (S1) that is connected with compressor low pressure air suction mouth;
Be connected to the mouth of pipe (E1) of fluid reservoir by the refrigerant pipe; With
Be connected to the mouth of pipe (C1) of the described mouth of pipe (S1) by capillary;
Refrigerant pipe between the described mouth of pipe (E1) and the fluid reservoir passes through described water tank, additional heat exchanger successively.
2, air conditioner heat pump hot water group according to claim 1,
It is characterized in that:
Described water tank is provided with water inlet and delivery port, and described water inlet connects outside cold water source by water inlet pipe.
3, air conditioner heat pump hot water group according to claim 2,
It is characterized in that:
Described water inlet pipe is through described additional heat exchanger.
4, according to claim 1 or 2 or 3 described air conditioner heat pump hot water groups,
It is characterized in that:
Between described outdoor heat exchanger and fluid reservoir, be provided with first electric expansion valve;
Between described additional heat exchanger and fluid reservoir, be provided with second electric expansion valve;
Between described indoor heat exchanger and fluid reservoir, be provided with the 3rd electric expansion valve.
5, air conditioner heat pump hot water group according to claim 4,
It is characterized in that:
On described water inlet pipe, be provided with flow regulator.
6, air conditioner heat pump hot water group according to claim 5 is characterized in that: the volume of described water tank is 30-50L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201891304U CN201327182Y (en) | 2008-08-26 | 2008-08-26 | Air-conditioning heat pump hot water unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201891304U CN201327182Y (en) | 2008-08-26 | 2008-08-26 | Air-conditioning heat pump hot water unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201327182Y true CN201327182Y (en) | 2009-10-14 |
Family
ID=41179154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201891304U Expired - Lifetime CN201327182Y (en) | 2008-08-26 | 2008-08-26 | Air-conditioning heat pump hot water unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201327182Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591735A (en) * | 2013-11-22 | 2014-02-19 | 特灵空调系统(中国)有限公司 | Air conditioner hot water unit |
| CN105180304A (en) * | 2015-10-20 | 2015-12-23 | 青岛海信日立空调系统有限公司 | Air-conditioning outdoor unit, multifunctional air-conditioning system and working method thereof |
| WO2020098263A1 (en) * | 2018-11-14 | 2020-05-22 | 青岛经济技术开发区海尔热水器有限公司 | Heat pump system having hot water preparation function and control method |
-
2008
- 2008-08-26 CN CNU2008201891304U patent/CN201327182Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591735A (en) * | 2013-11-22 | 2014-02-19 | 特灵空调系统(中国)有限公司 | Air conditioner hot water unit |
| CN103591735B (en) * | 2013-11-22 | 2016-02-17 | 特灵空调系统(中国)有限公司 | Air conditioning hot unit |
| CN105180304A (en) * | 2015-10-20 | 2015-12-23 | 青岛海信日立空调系统有限公司 | Air-conditioning outdoor unit, multifunctional air-conditioning system and working method thereof |
| CN105180304B (en) * | 2015-10-20 | 2018-03-13 | 青岛海信日立空调系统有限公司 | Air-conditioner outdoor unit, multifuctional air conditioning system and its method of work |
| WO2020098263A1 (en) * | 2018-11-14 | 2020-05-22 | 青岛经济技术开发区海尔热水器有限公司 | Heat pump system having hot water preparation function and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091014 |