CN219656182U - Energy-saving constant temperature and humidity air conditioning unit - Google Patents
Energy-saving constant temperature and humidity air conditioning unit Download PDFInfo
- Publication number
- CN219656182U CN219656182U CN202320153983.7U CN202320153983U CN219656182U CN 219656182 U CN219656182 U CN 219656182U CN 202320153983 U CN202320153983 U CN 202320153983U CN 219656182 U CN219656182 U CN 219656182U
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- way valve
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 238000011084 recovery Methods 0.000 claims abstract description 18
- 230000005494 condensation Effects 0.000 claims abstract description 17
- 238000009833 condensation Methods 0.000 claims abstract description 17
- 238000005485 electric heating Methods 0.000 abstract description 6
- 238000007791 dehumidification Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 53
- 238000010438 heat treatment Methods 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Classifications
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- 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]
- Y02B30/56—Heat recovery units
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model discloses an energy-saving constant temperature and humidity air conditioning unit, which comprises an outdoor unit system and an indoor unit system, wherein the outdoor unit system comprises a variable frequency compressor, an oil separator, a four-way valve and a gas-liquid separator; the indoor unit system comprises a condensation heat recovery heat exchanger and a first heat exchanger which are arranged in series according to the passing sequence of the gas; the utility model adopts the direct-current variable-frequency compressor technology, so that the capacity customer of the constant-temperature constant-humidity unit can adjust the frequency output of the compressor according to the requirement. In order to reduce the electric heating power required by temperature rise after dehumidification, a condensation heat recovery technology is adopted to transfer a part of heat outside the room to the indoor unit for improving the temperature of dehumidified air, so that the power consumption of indoor electric heating is reduced, and meanwhile, the power consumption of an outdoor fan is reduced, thereby playing a role in saving energy.
Description
Technical Field
The utility model relates to the technical field of air conditioners, in particular to an energy-saving constant temperature and humidity air conditioning unit.
Background
Constant-speed compressors are mostly adopted in constant-temperature and constant-humidity air conditioning units in the market at present, and the constant-speed units are high in energy consumption because the constant-temperature and constant-humidity air conditioning units often need to operate in partial load and heating and humidifying working states; meanwhile, a great deal of power resources are consumed because of the need of heating treatment after dehumidification.
Disclosure of Invention
In order to solve the problems that in the prior art, a constant-speed compressor is mostly adopted, and because an air conditioning unit of a constant-temperature and constant-humidity unit is often required to run in a working state of partial load and heating and humidifying, the energy consumption of the constant-speed unit is high; meanwhile, due to the defect that a great amount of electric power resources are consumed because heating treatment is needed after dehumidification, the utility model provides an energy-saving constant temperature and humidity air conditioning unit.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model relates to an energy-saving constant temperature and humidity air conditioning unit, which comprises an outdoor unit system and an indoor unit system, wherein the outdoor unit system comprises a variable frequency compressor, an oil separator, a four-way valve and a gas-liquid separator; the indoor unit system comprises a condensation heat recovery heat exchanger and a first heat exchanger which are arranged in series according to the passing sequence of the gas;
an air inlet of the oil separator is connected with the variable frequency compressor through an exhaust pipe, and an oil throwing port and an exhaust port of the oil separator are connected with a D port of the four-way valve; an oil return port of the oil separator is connected with an air inlet pipe of the variable frequency compressor through an air return pipe; the air outlet end of the air-liquid separator is connected with the variable frequency compressor, and the air inlet end of the air-liquid separator is connected with the S end of the four-way valve; the D end of the four-way valve is connected with the inlet end of the condensation heat recovery heat exchanger through the condensation heat recovery stop valve, and the D end of the four-way valve is connected with one end of the first heat exchanger through the air side stop valve.
As a preferable technical scheme of the utility model, the outdoor unit system further comprises a second heat exchanger, one end of the second heat exchanger is connected with the C end of the four-way valve, the other end of the second heat exchanger is connected with the E end of the four-way valve through a pipeline, and the pipeline is provided with a first capillary tube, a first one-way valve, a first electromagnetic valve and a first filter which are arranged in series.
As a preferable technical scheme of the utility model, a second filter, an electronic expansion valve, a second one-way valve and a third filter which are arranged in series are arranged between the condensation heat recovery heat exchanger and the first heat exchanger, a conduit is arranged between the liquid outlet end of the second heat exchanger and the second one-way valve and the third filter, and a switch valve group which is arranged in parallel is arranged on the conduit.
As a preferable technical scheme of the utility model, a pressure balance loop is arranged between the air inlet end of the gas-liquid separator and the air outlet of the oil separator; the pressure balancing loop comprises a balancing pipe connected between the air inlet end of the gas-liquid separator and the air outlet of the oil separator, and the balancing pipe is provided with a fourth filter, a second electromagnetic valve and a second capillary tube which are arranged in series.
As a preferable technical scheme of the utility model, an oil return pipeline is arranged between the oil separator and the variable frequency compressor, and the oil return pipeline comprises a third electronic valve, a first oil return capillary and a second oil return capillary; the third electronic valve and the first oil return capillary tube are connected in series to form a primary loop, the primary loop and the second oil return capillary tube are arranged in parallel to form an oil return pipeline, and the oil return pipeline is connected in series on a connecting pipeline between the oil separator and the variable frequency compressor.
As a preferable technical scheme of the utility model, the switch valve group comprises a fourth electronic valve, a flow stop valve and a fifth electronic valve which are arranged on the guide pipe in series, wherein the two sides of the fifth electronic valve are connected with a third one-way valve in parallel; and the two sides of the fourth electronic valve are connected with a fourth one-way valve in parallel.
The beneficial effects of the utility model are as follows:
the energy-saving constant temperature and humidity air conditioning unit adopts a direct-current variable-frequency compressor technology, so that a capacity customer of the constant temperature and humidity air conditioning unit can adjust the frequency output of the compressor according to requirements. In order to reduce the electric heating power required by temperature rise after dehumidification, a condensation heat recovery technology is adopted to transfer a part of heat outside the room to the indoor unit for improving the temperature of dehumidified air, so that the power consumption of indoor electric heating is reduced, and meanwhile, the power consumption of an outdoor fan is reduced, thereby playing a role in saving energy.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a schematic structural diagram of an energy-saving constant temperature and humidity air conditioning unit.
In the figure: 1. an outdoor unit system; 101. a variable frequency compressor; 102. an oil separator; 103. a four-way valve; 104. a gas-liquid separator; 105. a second heat exchanger; 106. a first capillary; 107. a first one-way valve; 108. a first electromagnetic valve; 109. a first filter; 2. an indoor unit system; 201. a condensing heat recovery heat exchanger; 202. a first heat exchanger; 203. a second filter; 204. an electronic expansion valve; 205. a second one-way valve; 206. a third filter; 207. a conduit; 3. a condensation heat recovery stop valve; 4. an air side stop valve; 5. a pressure balancing circuit; 501. a balance tube; 502. a fourth filter; 503. a second electromagnetic valve; 504. a second capillary; 6. an oil return pipeline; 601. a third electronic valve; 602. a first oil return capillary; 603. and a second oil return capillary. 7. Switching the valve group; 701. a fourth electronic valve, 702, a flow-through shut-off valve; 703. a fifth electronic valve; 704. a third one-way valve; 705. and a fourth one-way valve.
Description of the embodiments
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Examples: as shown in fig. 1, the energy-saving constant temperature and humidity air conditioning unit comprises an outdoor unit system 1 and an indoor unit system 2, wherein the outdoor unit system 1 comprises a variable frequency compressor 101, an oil separator 102, a four-way valve 103 and a gas-liquid separator 104; the indoor unit system 2 comprises a condensation heat recovery heat exchanger 201 and a first heat exchanger 202 which are arranged in series according to the passing sequence of gas;
an air inlet of the oil separator 102 is connected with the variable frequency compressor 101 through an exhaust pipe, and an oil throwing port and an exhaust port of the oil separator 10201 are connected with a D port of the four-way valve 103; an oil return port of the oil separator 102 is connected with an air inlet pipe of the variable frequency compressor 101 through an air return pipe; the gas outlet end of the gas-liquid separator 104 is connected with the variable frequency compressor 101, and the gas inlet end of the gas-liquid separator 104 is connected with the S end of the four-way valve 103; the D end of the four-way valve 103 is connected to the inlet end of the condensation heat recovery heat exchanger 201 through the condensation heat recovery stop valve 3, and the D end of the four-way valve 103 is connected to one end of the first heat exchanger 202 through the air side stop valve 4.
The outdoor unit system 1 further includes a second heat exchanger 105, one end of the second heat exchanger 105 is connected with the C end of the four-way valve 103, the other end of the second heat exchanger 105 is connected with the E end of the four-way valve 103 through a pipe, and the pipe is provided with a first capillary tube 106, a first check valve 107, a first electromagnetic valve 108 and a first filter 109, which are arranged in series.
The condensation heat recovery heat exchanger 201 and the first heat exchanger 202 are provided with a second filter 203, an electronic expansion valve 204, a second one-way valve 205 and a third filter 206 which are arranged in series, a conduit 207 is arranged between the liquid outlet end of the second heat exchanger 105 and the second one-way valve 205 and the third filter 206, and the conduit 207 is provided with a switch valve group 7 which is arranged in parallel.
Wherein, a pressure balance loop 5 is arranged between the air inlet end of the gas-liquid separator 104 and the air outlet of the oil separator 102; the pressure balancing circuit 5 comprises a balancing pipe 501 connected between the air inlet end of the gas-liquid separator 104 and the air outlet of the oil separator 102, and the balancing pipe 501 is provided with a fourth filter 502, a second electromagnetic valve 503 and a second capillary tube 504 which are arranged in series. In order to solve the problem of oil balance between every outer machine, through setting up the oil separator in every outer machine, set up 2 grades of oil returns on the oil separator, the colleague sets up the oil throwing pipe on the oil separator, when the oil level of oil separator exceeds the position of oil throwing pipe, the lubricating oil of oil separator the inside is carried to parallelly connected system through the oil throwing pipe, get back to the compressor through the muffler, realize carrying out the redistribution to lubricating oil, guarantee that the oil level of every compressor is stable, through cancelling the oil balance pipe, when a plurality of direct expansion outer machines are parallelly connected, the convenience is used on the spot, reduce cost and construction degree of difficulty.
An oil return pipeline 6 is arranged between the oil separator 102 and the variable frequency compressor 101, and the oil return pipeline 6 comprises a third electronic valve 601, a first oil return capillary 602 and a second oil return capillary 603; the third electronic valve 601 and the first oil return capillary 602 are connected in series to form a primary circuit, the primary circuit and the second oil return capillary 603 are arranged in parallel to form an oil return pipeline 6, and the oil return pipeline 6 is connected in series to a connecting pipeline between the oil separator 102 and the variable frequency compressor 101.
The switch valve group 7 comprises a fourth electronic valve 701, a flow stop valve 702 and a fifth electronic valve 703 which are arranged on the conduit 207 in series, wherein the two sides of the fifth electronic valve 703 are connected with a third one-way valve 704 in parallel; a fourth check valve 705 is connected in parallel to two sides of the fourth electronic valve 701.
In order to achieve the purpose of energy saving, the compressor used in the outdoor unit system is a direct-current variable-frequency compressor, so that the capacity output of the compressor can be matched with the requirements of the indoor unit, and the electric energy consumption is saved.
And a condensation heat recovery heat exchanger is arranged in the indoor unit system, so that the air dehumidified by the first heat exchanger is heated, and the electric heating consumption required by heating is reduced.
The first heat exchanger is arranged on the connecting pipe at the E port of the four-way valve after passing through the connecting pipe, the switching action of the bypass flow path is controlled by the switching valve group of the electromagnetic valve, the first heat exchanger is ensured to be always in a frostless state, the heating effect of the indoor unit is ensured, the heat loss of defrosting is reduced, and the consumption of indoor electric heating is reduced.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The energy-saving constant temperature and humidity air conditioning unit is characterized by comprising an outdoor unit system (1) and an indoor unit system (2), wherein the outdoor unit system (1) comprises a variable frequency compressor (101), an oil separator (102), a four-way valve (103) and a gas-liquid separator (104); the indoor unit system (2) comprises a condensation heat recovery heat exchanger (201) and a first heat exchanger (202) which are arranged in series according to the passing sequence of gas;
an air inlet of the oil separator (102) is connected with the variable frequency compressor (101) through an exhaust pipe, and an oil throwing port and an exhaust port of the oil separator (102) are connected with a D port of the four-way valve (103); an oil return port of the oil separator (102) is connected with an air inlet pipe of the variable frequency compressor (101) through an air return pipe; the air outlet end of the air-liquid separator (104) is connected with the variable frequency compressor (101), and the air inlet end of the air-liquid separator (104) is connected with the S end of the four-way valve (103); the D end of the four-way valve (103) is connected with the inlet end of the condensation heat recovery heat exchanger (201) through the condensation heat recovery stop valve (3), and the D end of the four-way valve (103) is connected with one end of the first heat exchanger (202) through the air side stop valve (4).
2. The energy-saving type constant temperature and humidity air conditioning unit according to claim 1, wherein the outdoor unit system (1) further comprises a second heat exchanger (105), one end of the second heat exchanger (105) is connected with the C end of the four-way valve (103), the other end of the second heat exchanger (105) is connected with the E end of the four-way valve (103) through a pipeline, and the pipeline is provided with a first capillary tube (106), a first one-way valve (107), a first electromagnetic valve (108) and a first filter (109) which are arranged in series.
3. The energy-saving constant temperature and humidity air conditioning unit according to claim 2, wherein a second filter (203), an electronic expansion valve (204), a second one-way valve (205) and a third filter (206) are arranged in series between the condensation heat recovery heat exchanger (201) and the first heat exchanger (202), a conduit (207) is arranged between a liquid outlet end of the second heat exchanger (105) and the second one-way valve (205) and the third filter (206), and a switch valve group (7) arranged in parallel is arranged on the conduit (207).
4. The energy-saving constant temperature and humidity air conditioning unit according to claim 1, wherein a pressure balancing loop (5) is arranged between the air inlet end of the gas-liquid separator (104) and the air outlet of the oil separator (102); the pressure balancing circuit (5) comprises a balancing pipe (501) connected between the air inlet end of the gas-liquid separator (104) and the air outlet of the oil separator (102), and the balancing pipe (501) is provided with a fourth filter (502), a second electromagnetic valve (503) and a second capillary tube (504) which are arranged in series.
5. An energy-saving constant temperature and humidity air conditioning unit according to claim 3, characterized in that an oil return pipeline (6) is arranged between the oil separator (102) and the variable frequency compressor (101), and the oil return pipeline (6) comprises a third electronic valve (601), a first oil return capillary (602) and a second oil return capillary (603); the third electronic valve (601) and the first oil return capillary (602) are connected in series to form a primary loop, the primary loop and the second oil return capillary (603) are arranged in parallel to form an oil return pipeline (6), and the oil return pipeline (6) is connected in series on a connecting pipeline between the oil separator (102) and the variable frequency compressor (101).
6. The energy-saving type constant temperature and humidity air conditioning unit according to claim 5, wherein the switch valve group (7) comprises a fourth electronic valve (701), a circulation stop valve (702) and a fifth electronic valve (703) which are arranged on the conduit (207) in series, and the third check valve (704) is connected in parallel to two sides of the fifth electronic valve (703); and the two sides of the fourth electronic valve (701) are connected with a fourth one-way valve (705) in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320153983.7U CN219656182U (en) | 2023-02-08 | 2023-02-08 | Energy-saving constant temperature and humidity air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320153983.7U CN219656182U (en) | 2023-02-08 | 2023-02-08 | Energy-saving constant temperature and humidity air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219656182U true CN219656182U (en) | 2023-09-08 |
Family
ID=87858940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320153983.7U Active CN219656182U (en) | 2023-02-08 | 2023-02-08 | Energy-saving constant temperature and humidity air conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219656182U (en) |
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2023
- 2023-02-08 CN CN202320153983.7U patent/CN219656182U/en active Active
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