CN201007581Y - Heat pump hot water multi-connection air conditioner with electric heating - Google Patents
Heat pump hot water multi-connection air conditioner with electric heating Download PDFInfo
- Publication number
- CN201007581Y CN201007581Y CNU2007200477270U CN200720047727U CN201007581Y CN 201007581 Y CN201007581 Y CN 201007581Y CN U2007200477270 U CNU2007200477270 U CN U2007200477270U CN 200720047727 U CN200720047727 U CN 200720047727U CN 201007581 Y CN201007581 Y CN 201007581Y
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- Prior art keywords
- valve
- heat pump
- cross valve
- air conditioner
- heat exchanger
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- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 238000005485 electric heating Methods 0.000 title claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 239000012530 fluid Substances 0.000 claims description 21
- 238000005057 refrigeration Methods 0.000 abstract description 8
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
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
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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
- F25B2313/027—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
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model provides a can enough satisfy the air conditioner user to the needs that refrigerate or heat and can make the hot water multi-connected air conditioner of hot electric heating of high temperature again. The hot-pump hot-water multi-connection air conditioner with electric heating comprises an indoor heat exchanger, an outdoor heat exchanger, a heat pump water tank and two four-way valves, wherein an air inlet of the four-way valve and an air outlet of a compressor are jointly connected with a high-pressure air pipe, an outlet of the four-way valve is connected with an air suction port of the compressor, a normally open port of a first four-way valve is connected with the outdoor heat exchanger, a normally closed port of the first four-way valve is connected with the indoor heat exchanger, a normally open port of a second four-way valve is connected with the heat pump water tank, a normally closed port of the second four-way valve is connected with an. The utility model discloses a flow direction of each cross valve of control for many unit can make hot water in refrigeration or heating, and can prepare the hot water of higher temperature alone through the electric heating element who sets up at the heat pump water tank.
Description
Technical field
The utility model relates to a kind of aircondition, relates in particular to a kind of heat pump hot-water multi-unit air conditioner that energy can be reclaimed, have the charged heating that heats water function.
Background technology
Along with the raising of economic development and people's living standard, the air-conditioning unit has the market application foreground of becoming better and better, and comes into increasing family and office space gradually.And it is current, most of air-conditioner also just has refrigeration in summer, winter and heats to regulate the function of room air, particularly in summer, a large amount of heat that air-conditioner is produced in process of refrigerastion is all had no to be discharged in the outside atmosphere with utilizing, the thermal pollution of outdoor air and the significant wastage of the energy have been caused, general air-conditioning only uses with summer in the winter time, and utilization rate is not high yet; Meanwhile, air-conditioned family and office space also need to buy in addition water heater to solve daily water consumption problem in the life, have increased spending, and electric heater, the gas heater power consumption is very big, security is also relatively poor.Many air-conditioners that heat water function that have have also been emerged in large numbers at present, but great majority all can only be in air conditioner refrigerating, the used heat that utilizes air-conditioner to produce comes heat hot water, in the time of air conditioner heat-production, just can not use as water heater, and, can't produce higher temperature hot water because the heat that heat pump produces is limited.Freeze or the heating operation function so need develop a kind of air-conditioner of can realizing, the heat pump hot-water multi-unit air conditioner of the charged heating of high-temperature-hot-water can be provided again.
The utility model content
The purpose of this utility model provide a kind of can satisfy air conditioner user to refrigeration or the needs that heat again can preparing high-temp hot water the heat pump hot-water multi-unit air conditioner of charged heating, and when air-conditioner did not move, this water heater also can use separately.
The purpose of this utility model is achieved by the following technical solution:
The heat pump hot-water multi-unit air conditioner of charged heating, comprise at least one compressor, outdoor heat exchanger, indoor heat exchanger, heat pump water box, some restricting elements and connecting line, the heat pump hot-water multi-unit air conditioner of described charged heating also comprises first cross valve and second cross valve, the common high-pressure air pipe that inserts of the air inlet of described first cross valve and second cross valve and the exhaust outlet of described compressor, the outlet of described first cross valve and second cross valve is connected with the air entry of compressor, one port of described outdoor heat exchanger and normal ported connection of first cross valve, the another port of described outdoor heat exchanger has connected first interface that inserts fluid reservoir behind the first throttle element, one port of described heat pump water box and normal ported connection of second cross valve, the another port of heat pump water box has connected second interface that inserts fluid reservoir behind second restricting element, described indoor heat exchanger one end is connected with the normally closed port of first cross valve, the other end and the 3rd interface that inserts fluid reservoir after the 3rd restricting element is connected again, the normally closed port of second cross valve is connected by first capillary with the outlet of second cross valve, also is provided with electric heating assembly in the described heat pump water box.
Its second is characterised in that: also be connected to an oil eliminator between the exhaust outlet of described compressor and the high-pressure air pipe.
Its 3rd is characterised in that: the air entry of described compressor and and the outlet of cross valve between also be connected to a gas separating device.
Its 4th is characterised in that: described indoor heat exchanger has two.
Its 5th is characterised in that: described first throttle element comprises first magnetic valve, first check valve, first filter, second filter, first electric expansion valve, described first magnetic valve and first check valve connect to form first branch road, two filters are connected to the first electric expansion valve two ends and form second branch road, and described first branch road and second branch road are connected in parallel again.
Its 6th is characterised in that: described second restricting element comprises second magnetic valve, second check valve, the 3rd filter, the 4th filter, second electric expansion valve, described second magnetic valve and second check valve connect to form first branch road, two filters are connected to the second electric expansion valve two ends and form second branch road, and described first branch road and second branch road are connected in parallel again.
Its 7th is characterised in that: described the 3rd restricting element comprises the 3rd magnetic valve, the 3rd check valve, second capillary, described the 3rd check valve be connected in parallel with the 3rd magnetic valve again after second capillary is connected.
Its 8th is characterised in that: be provided with high pressure sensor between the air inlet of described oil eliminator and cross valve.
Its 9th is characterised in that: be provided with low pressure sensor between the outlet of described gas separating device and cross valve.
The utility model is connected to become compressor, indoor and outdoor heat exchanger, heat pump water box, restricting element in the thermodynamic cycle loop of a sealing by adopting tube connector and a plurality of cross valve, by controlling the flow direction of each cross valve, make multi-joint unit in refrigeration, can heat water, and in heat pump water box, be provided with electric heating assembly, can produce and surpass 60 ℃ of high-temperature-hot-waters, refrigeration is provided at the same time or heats, under the situation of hot water, realize maximized energy-saving effect.In unit control, adopt the thought of optimization control, make compressor capacity accurately regulate, at any time can both be complementary and reach optimum with system requirements.
Description of drawings:
Fig. 1 is the connection diagram of the utility model first embodiment;
Fig. 2 is the connection diagram of first throttle element;
Fig. 3 is the connection diagram of second restricting element;
Fig. 4 is the connection diagram of the 3rd restricting element;
Fig. 5 is the connection diagram of the utility model second embodiment.
The specific embodiment
First embodiment
As shown in Figure 1, a kind of heat pump hot-water multi-unit air conditioner of charged heating, comprise a compressor 1, an outdoor heat exchanger 2, an indoor heat exchanger 3, a heat pump water box 4, some restricting elements and connecting line also are provided with electric heating assembly 11 in the described heat pump water box.The heat pump hot-water multi-unit air conditioner of described charged heating also comprises first cross valve 5 and second cross valve 6, the normal ported and outdoor heat exchanger 2 of described first cross valve 5 is connected, the another port of described outdoor heat exchanger 2 has connected first interface of first throttle element 7 back access fluid reservoirs 20, the normal ported and heat pump water box 4 of described second cross valve 6 is connected, the another port of heat pump water box 4 has connected second interface of second restricting element, 8 back access fluid reservoirs 20, the common high-pressure air pipe that inserts of the exhaust outlet of the air inlet of these two cross valves and described compressor 1, their outlet is connected with the air entry of compressor 1.Described indoor heat exchanger 3 one ends are connected with the normally closed port of first cross valve 5, the other end and the 3rd interface that inserts fluid reservoir 20 after the 3rd restricting element 9 is connected again, the normally closed port of second cross valve 6 is connected by first capillary 10 with the outlet of second cross valve 6, can can prevent that liquid refrigerant is deposited in the normally closed port of second cross valve 6 so that liquid refrigerant flows back to compressor 1 air entry.
In the present embodiment, indoor set has one, because compressor 1 self does not have gas separating device and oil eliminator in the present embodiment, so between the exhaust outlet of compressor 1 and high-pressure air pipe, be connected to an oil eliminator 12, between the outlet of the air entry of compressor 1 and cross valve, also be connected to a gas separating device 13, in order to grasp the pressure of the suction and discharge of compressor more accurately, between the air inlet of described oil eliminator 12 and cross valve, also be provided with high pressure sensor 14, between the outlet of described gas separating device 13 and cross valve, be provided with low pressure sensor 15.
The utility model is with outdoor heat exchanger 2 and heat pump water box 4 parallel connections, outdoor heat exchanger 2 and heat pump water box 4 are connected first cross valve 5 and second cross valve 6 respectively and control by the flow direction of cold-producing medium wherein, and separately the road on be connected with first throttle element 7 and second restricting element 8 respectively and adjust by the flow of cold-producing medium wherein, in the utility model, first throttle element 7 comprises first magnetic valve 74, first check valve 75, first filter 71, second filter 73, first electric expansion valve 72, described first magnetic valve 74 and first check valve 75 connect to form first branch road, two filters are connected to first electric expansion valve, 72 two ends and form second branch road, and described first branch road and second branch road are connected in parallel again.Described second restricting element 8 comprises second magnetic valve 84, second check valve 85, the 3rd filter 81, the 4th filter 83, second electric expansion valve 82, described second magnetic valve 84 and second check valve 85 connect to form first branch road, two filters are connected to second electric expansion valve, 82 two ends and form second branch road, and described first branch road and second branch road are connected in parallel again.Two filters in first, second restricting element can play a role in filtering to cold-producing medium, prevent that foreign material from stopping up the electric expansion valve in the restricting element.The 3rd restricting element comprises the 3rd magnetic valve 91, the 3rd check valve 92, second capillary 93, described the 3rd check valve 92 be connected in parallel with the 3rd magnetic valve 91 again after second capillary 93 is connected.
The heat pump hot-water multi-unit air conditioner of the charged heating that the utility model is mentioned has seven kinds of operational modes, and wherein the state that powers on of cross valve is: the cross valve air inlet is communicated with normally closed port, cross valve outlet and normal ported the connection; The state of cross valve outage is: cross valve air inlet and normal ported the connection, the cross valve outlet is communicated with normally closed port, respectively these seven kinds of operational modes is set forth below.
1, separate refrigeration
Under this pattern, 5 outages of first cross valve, second cross valve 6 powers on, first magnetic valve 74 is opened, and first electric expansion valve 72 can be any aperture, and second magnetic valve 84, second electric expansion valve 82 are closed, the 3rd magnetic valve 91 is opened, and electric heating assembly 11 is closed.Cold-producing medium through oil eliminator 12, enters high-pressure air pipe after compressing through compressor 1.Air inlet from first cross valve 5 enters valve body then, again from the normal ported inflow outdoor heat exchanger 2 of first cross valve 5, in outdoor heat exchanger 2, carry out heat exchange after, enter fluid reservoir 20 through first throttle element 7 backs from first interfaces of fluid reservoir 20.Cold-producing medium is by heat exchanger 3 in the 3rd magnetic valve 91 back inlet chambers then, after indoor heat exchanger 3 carries out heat exchange, enter valve body from the normally closed port of first cross valve 5, and then flow out from the outlet of first cross valve 5, last cold-producing medium is sucked by the air entry of compressor 1 behind gas separating device 13, is participated in circulation next time by compressor 1 compression back.
2, freeze simultaneously and heat water, this hot water is produced by heat pump cycle.
When not needing the hot water of high-temperature very, only need carry out heat pump cycle produces hot water.Under this pattern, 5 outages of first cross valve, 6 outages of second cross valve, first electric expansion valve 72 and first magnetic valve 74 are closed, and second magnetic valve 84 is opened, and second electric expansion valve 82 can be any aperture, the 3rd magnetic valve 91 is opened, and electric heating assembly 11 is closed.After cold-producing medium compresses through compressor 1, enter high-pressure air pipe through behind the oil eliminator 12, air inlet from second cross valve 6 flows into valve body subsequently, then from the normal ported inflow heat pump water box 4 of second cross valve 6, after in heat pump water box 4, carrying out heat exchange, water in the water tank is heated, and cold-producing medium enters fluid reservoir 20 through second restricting element, 8 back second interfaces from fluid reservoir 20.Then cold-producing medium behind the 3rd magnetic valve 91 in the inlet chamber heat exchanger 3 carry out heat exchange, after carrying out heat exchange with room air, cold-producing medium flows into valve body from the normally closed port of first cross valve 5, flow out from the outlet of first cross valve 5 then, gas separating device 13 backs flow through at last by the suction of the air entry of compressor 1, participated in circulation next time by compressor 1 compression back.
3, freeze simultaneously and heat water, this hot water is produced by electric heating assembly.
If both needed indoor set refrigeration, when needing the hot water of high-temperature very again, need electric heating assembly to produce hot water this moment.Under this pattern, 5 outages of first cross valve, second cross valve 6 powers on, first magnetic valve 74 is opened, and first electric expansion valve 72 can be any aperture, and second magnetic valve 84, second electric expansion valve 82 are closed, the 3rd magnetic valve 91 is opened, and electric heating assembly 11 is opened.Cold-producing medium through oil eliminator 12, enters high-pressure air pipe after compressing through compressor 1.Air inlet from first cross valve 5 enters valve body then, again from the normal ported inflow outdoor heat exchanger 2 of first cross valve 5, in outdoor heat exchanger 2, carry out heat exchange after, enter fluid reservoir 20 through first throttle element 7 backs from first interfaces of fluid reservoir 20.Cold-producing medium is by heat exchanger 3 in the 3rd magnetic valve 91 back inlet chambers then, after indoor heat exchanger 3 carries out heat exchange, enter valve body from the normally closed port of first cross valve 5, and then flow out from the outlet of first cross valve 5, last cold-producing medium is sucked by the air entry of compressor 1 behind gas separating device 13, participated in circulation next time by compressor 1 compression back, the water in the heat pump water box 4 is by 11 heating of the electric heating assembly in the water tank at this moment.
4, heat water by heat pump separately
Under this pattern, under this pattern, first cross valve 5 powers on, 6 outages of second cross valve, and first electric expansion valve 72 is opened, and second electric expansion valve 82 is opened, and the 3rd magnetic valve 91 cuts out, and electric heating assembly 11 is closed.When outdoor environment temperature was very high, second magnetic valve 84 was opened, and when outdoor environment temperature was low, second magnetic valve 84 cut out.Cold-producing medium enters high-pressure air pipe through behind the oil eliminator 12 after compressing through compressor 1.Air inlet from second cross valve 6 flows into valve body then, again from the normal ported inflow heat pump water box 4 of second cross valve 6, after in heat pump water box 4, carrying out heat exchange, water in the water tank is heated, cold-producing medium flows into fluid reservoir 20 through second interface from fluid reservoir 20 after 8 throttlings of second restricting element again, cold-producing medium inlet chamber external heat exchanger 2 behind first electric expansion valve 72 carries out heat exchange then, after carrying out heat exchange with outdoor air, cold-producing medium is from the normal ported inflow valve body of first cross valve 5, flow out from the outlet of first cross valve 5 then, gas separating device 13 backs flow through at last by the suction of the air entry of compressor 1, participated in circulation next time by compressor 1 compression back.
5, heat water by electric heating assembly separately
When only needing the very high hot water of temperature, and do not need refrigeration or when heating, can produce hot water by electric heating assembly 11, and need not open whole unit.
6, heat and heat water simultaneously
Under this pattern, first cross valve 5 powers on, and second cross valve 6 powers on, and first electric expansion valve 72 is opened, and second electric expansion valve 82 is closed, and the 3rd magnetic valve 91 is opened, and electric heating assembly 11 is opened.Cold-producing medium enters high-pressure air pipe through behind the oil eliminator 12 after compressing through compressor 1.Air inlet from first cross valve 5 flows into valve body then, normally closed port from first cross valve 5 flows into indoor heat exchanger 3 again, after in indoor heat exchanger 3, carrying out heat exchange, flow into fluid reservoir 20 through the 3rd interface from fluid reservoir 20 after 9 throttlings of the 3rd restricting element, inlet chamber external heat exchanger 2 carries out heat exchange behind first electric expansion valve 72 then, after carrying out heat exchange with outdoor air, cold-producing medium is from the normal ported inflow valve body of first cross valve 5, flow out from the outlet of first cross valve 5 then, gas separating device 13 backs flow through at last by the suction of the air entry of compressor 1, participated in circulation next time by compressor 1 compression back.The electric heating assembly 11 that open in the heat pump water box this moment produces high-temperature-hot-water, has so both realized that indoor set heats, and has realized generation hot water again.
7, heat separately
Under this pattern, first cross valve 5 powers on, and second cross valve 6 powers on, and first electric expansion valve 72 is opened, and second electric expansion valve 82 is closed, and the 3rd magnetic valve 91 is opened, and electric heating assembly 11 is closed.Cold-producing medium enters high-pressure air pipe through behind the oil eliminator 12 after compressing through compressor 1.Air inlet from first cross valve 5 flows into valve body then, normally closed port from first cross valve 5 flows into indoor heat exchanger 3 again, after in indoor heat exchanger 3, carrying out heat exchange, flow into fluid reservoir 20 through the 3rd interface from fluid reservoir 20 after 9 throttlings of the 3rd restricting element, inlet chamber external heat exchanger 2 carries out heat exchange behind first electric expansion valve 72 then, after carrying out heat exchange with outdoor air, cold-producing medium is from the normal ported inflow valve body of first cross valve 5, flow out from the outlet of first cross valve 5 then, gas separating device 13 backs flow through at last by the suction of the air entry of compressor 1, participated in circulation next time by compressor 1 compression back.
Second embodiment:
As shown in Figure 2, the difference of the present embodiment and first embodiment is, described indoor heat exchanger has 2, be respectively first indoor heat exchanger 3 and second indoor heat exchanger 16, described these two indoor heat exchangers are connected in parallel, they are connected with the 3rd restricting element 9 and the 4th restricting element 17 respectively, and described the 3rd restricting element 9 and the 4th restricting element 17 include magnetic valve, check valve, capillary, and described check valve is connected the back and is being connected in parallel with magnetic valve with capillary.
The applicant has introduced the control method of structure of the present utility model and use by above embodiment, the utility model also has some more conspicuous to one skilled in the art distortion, together with the cross valve of series connection with it and the increase of restricting element, but the change of essence does not take place in the total of complete machine as the number of outdoor heat exchanger, heat pump water box; Also have the common replacement of described restricting element and increase branch road in parallel; Indoor and outdoor heat exchangers in parallel or series connection etc.Therefore, under inspiration of the present utility model, the conspicuous distortion that those skilled in the art makes all should fall within the protection domain of the present utility model.
Claims (9)
1. the heat pump hot-water multi-unit air conditioner of charged heating, comprise at least one compressor, outdoor heat exchanger, indoor heat exchanger, heat pump water box, some restricting elements and connecting line, it is characterized in that: the heat pump hot-water multi-unit air conditioner of described charged heating also comprises first cross valve and second cross valve, the common high-pressure air pipe that inserts of the air inlet of described first cross valve and second cross valve and the exhaust outlet of described compressor, the outlet of described first cross valve and second cross valve is connected with the air entry of compressor, one port of described outdoor heat exchanger and normal ported connection of first cross valve, the another port of described outdoor heat exchanger has connected first interface that inserts fluid reservoir behind the first throttle element, one port of described heat pump water box and normal ported connection of second cross valve, the another port of heat pump water box has connected second interface that inserts fluid reservoir behind second restricting element, described indoor heat exchanger one end is connected with the normally closed port of first cross valve, the other end and the 3rd interface that inserts fluid reservoir after the 3rd restricting element is connected again, the normally closed port of second cross valve is connected by first capillary with the outlet of second cross valve, also is provided with electric heating assembly in the described heat pump water box.
2. the heat pump hot-water multi-unit air conditioner of charged heating according to claim 1 is characterized in that: also be connected to an oil eliminator between the exhaust outlet of described compressor and the high-pressure air pipe.
3. the heat pump hot-water multi-unit air conditioner of charged heating according to claim 1 is characterized in that: the air entry of described compressor and and the outlet of cross valve between also be connected to a gas separating device.
4. the heat pump hot-water multi-unit air conditioner of charged heating according to claim 1, it is characterized in that: described indoor heat exchanger has two.
5. the heat pump hot-water multi-unit air conditioner of charged heating according to claim 1, it is characterized in that: described first throttle element comprises first magnetic valve, first check valve, first filter, second filter, first electric expansion valve, described first magnetic valve and first check valve connect to form first branch road, two filters are connected to the first electric expansion valve two ends and form second branch road, and described first branch road and second branch road are connected in parallel again.
6. the heat pump hot-water multi-unit air conditioner of charged heating according to claim 1, it is characterized in that: described second restricting element comprises second magnetic valve, second check valve, the 3rd filter, the 4th filter, second electric expansion valve, described second magnetic valve and second check valve connect to form first branch road, two filters are connected to the second electric expansion valve two ends and form second branch road, and described first branch road and second branch road are connected in parallel again.
7. the heat pump hot-water multi-unit air conditioner of charged heating according to claim 1, it is characterized in that: described the 3rd restricting element comprises the 3rd magnetic valve, the 3rd check valve, second capillary, described the 3rd check valve be connected in parallel with the 3rd magnetic valve again after second capillary is connected.
8. the heat pump hot-water multi-unit air conditioner of charged heating according to claim 1 and 2 is characterized in that: be provided with high pressure sensor between the air inlet of described oil eliminator and cross valve.
9. according to the heat pump hot-water multi-unit air conditioner of claim 1 or 3 described charged heating, it is characterized in that: between the outlet of described gas separating device and cross valve, be provided with low pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200477270U CN201007581Y (en) | 2007-01-18 | 2007-01-18 | Heat pump hot water multi-connection air conditioner with electric heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200477270U CN201007581Y (en) | 2007-01-18 | 2007-01-18 | Heat pump hot water multi-connection air conditioner with electric heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201007581Y true CN201007581Y (en) | 2008-01-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200477270U Expired - Lifetime CN201007581Y (en) | 2007-01-18 | 2007-01-18 | Heat pump hot water multi-connection air conditioner with electric heating |
Country Status (1)
| Country | Link |
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| CN (1) | CN201007581Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949614A (en) * | 2010-07-20 | 2011-01-19 | 刘雄 | Air-conditioner refrigerating equipment |
| CN102519171A (en) * | 2011-12-31 | 2012-06-27 | 广东欧科空调制冷有限公司 | Multi-functional multi-connected air conditioning unit |
| CN102759147A (en) * | 2012-07-02 | 2012-10-31 | 广东美的电器股份有限公司 | Air-conditioning multiple on-line system |
| CN104596087A (en) * | 2015-01-16 | 2015-05-06 | 芜湖美的厨卫电器制造有限公司 | Gas-electricity complementary water heating system |
| CN110081633A (en) * | 2019-04-22 | 2019-08-02 | 合肥荣事达太阳能有限公司 | A kind of trigeneration heat pump system |
| 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 |
-
2007
- 2007-01-18 CN CNU2007200477270U patent/CN201007581Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949614A (en) * | 2010-07-20 | 2011-01-19 | 刘雄 | Air-conditioner refrigerating equipment |
| CN101949614B (en) * | 2010-07-20 | 2012-07-25 | 刘雄 | Air-conditioner refrigerating equipment |
| CN102519171A (en) * | 2011-12-31 | 2012-06-27 | 广东欧科空调制冷有限公司 | Multi-functional multi-connected air conditioning unit |
| CN102759147A (en) * | 2012-07-02 | 2012-10-31 | 广东美的电器股份有限公司 | Air-conditioning multiple on-line system |
| CN102759147B (en) * | 2012-07-02 | 2014-07-16 | 美的集团股份有限公司 | Air-conditioning multiple on-line system |
| CN104596087A (en) * | 2015-01-16 | 2015-05-06 | 芜湖美的厨卫电器制造有限公司 | Gas-electricity complementary water heating system |
| CN104596087B (en) * | 2015-01-16 | 2018-11-27 | 芜湖美的厨卫电器制造有限公司 | Fire electric complementary hot-water system |
| 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 |
| CN110081633A (en) * | 2019-04-22 | 2019-08-02 | 合肥荣事达太阳能有限公司 | A kind of trigeneration heat pump system |
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