CN212538393U - Air conditioner freeze-proof device and air conditioner - Google Patents
Air conditioner freeze-proof device and air conditioner Download PDFInfo
- Publication number
- CN212538393U CN212538393U CN202020615888.0U CN202020615888U CN212538393U CN 212538393 U CN212538393 U CN 212538393U CN 202020615888 U CN202020615888 U CN 202020615888U CN 212538393 U CN212538393 U CN 212538393U
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- Prior art keywords
- antifreeze
- air conditioner
- outlet
- liquid
- inlet
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- 239000007788 liquid Substances 0.000 claims abstract description 96
- 230000002528 anti-freeze Effects 0.000 claims abstract description 69
- 238000007710 freezing Methods 0.000 claims abstract description 33
- 239000003507 refrigerant Substances 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims abstract description 25
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 27
- 238000000034 method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010257 thawing Methods 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an air conditioner anti-freezing device and an air conditioner, wherein the air conditioner anti-freezing device comprises a heat exchange structure and a cooling tower; the heat exchange structure comprises a shell, wherein a refrigerant inlet, a refrigerant outlet, an antifreeze inlet and an antifreeze outlet are formed on the shell; an antifreeze solution channel communicated with an antifreeze solution inlet and an antifreeze solution outlet is formed in the shell; the cooling tower comprises a tower body, and a liquid inlet, a liquid outlet, an air inlet and an air outlet are formed on the tower body; a liquid channel communicated with the liquid inlet and the liquid outlet is formed in the tower body, and a gas channel communicated with the gas inlet and the gas outlet is also formed in the tower body. The utility model discloses an air conditioner freeze-proof device and air conditioner, the antifreeze in outdoor heat exchanger and the antifreeze passageway carries out the heat exchange, and outdoor heat exchanger promotes the temperature through the heat that absorbs the antifreeze, avoids frosting at the heating in-process, has avoided the defrosting process, realizes the function of heating in succession, realizes not influencing the function of heating in succession of effect of heating, improves user experience.
Description
Technical Field
The utility model relates to an air conditioner technical field especially relates to an air conditioner freeze-proof device and air conditioner.
Background
Ordinary air source air conditioner can condense the frost in the heating process outdoor unit heat exchanger, and for guaranteeing the effect of heating, the air conditioner need stop heating, gets into the mode of heating again after defrosting outdoor unit heat exchanger, leads to heating process discontinuous, influences user's direct experience.
Disclosure of Invention
The utility model provides an air conditioner freeze-proof device has solved because the problem of the unable continuous heating of frosting.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the utility model provides an air conditioner freeze-proof device, the air conditioner is including compressor, cross valve, indoor heat exchanger, the outdoor heat exchanger that forms refrigerant circulation pipeline, air conditioner freeze-proof device includes:
the heat exchange structure comprises a shell, wherein a refrigerant inlet, a refrigerant outlet, an antifreeze inlet and an antifreeze outlet are formed on the shell; the outdoor heat exchanger is positioned in the shell, a liquid pipe of the outdoor heat exchanger penetrates through the refrigerant inlet, and an air pipe of the outdoor heat exchanger penetrates through the refrigerant outlet; an antifreeze solution channel communicated with an antifreeze solution inlet and an antifreeze solution outlet is formed in the shell; the anti-freezing liquid channel is internally provided with anti-freezing liquid;
the cooling tower comprises a tower body, wherein a liquid inlet, a liquid outlet, an air inlet and an air outlet are formed in the tower body; a liquid channel communicated with the liquid inlet and the liquid outlet is formed in the tower body, and a gas channel communicated with the gas inlet and the gas outlet is also formed in the tower body;
the liquid inlet of the cooling tower is communicated with the antifreeze outlet of the heat exchange structure through a liquid outlet pipe, and the liquid outlet of the cooling tower is communicated with the antifreeze inlet of the heat exchange structure through a liquid inlet pipe.
Further, the antifreeze fluid channel is wound on the outdoor heat exchanger.
Still further, the outdoor heat exchanger is located in the antifreeze passage.
Furthermore, sealing rings are respectively arranged at the antifreeze liquid inlet, the antifreeze liquid outlet, the refrigerant inlet and the refrigerant outlet.
Still further, the shell of the heat exchange structure is made of heat insulation materials.
Further, the gas channel surrounds the periphery of the liquid channel.
Still further, the liquid inlet is located the tower body top, the liquid outlet is located the tower body bottom, the air inlet is provided with a plurality ofly, and a plurality of air inlets circumference is laid on the outer peripheral face of tower body, the gas outlet is located the tower body top.
Furthermore, a fan is arranged in the gas channel, a water pump is arranged on the liquid outlet pipe, a temperature sensor is arranged on the outdoor heat exchanger, and the temperature sensor collects temperature signals and sends the collected temperature signals to an air conditioner main control board; and the air conditioner main control board controls the operation of the fan and the water pump according to the received temperature signal.
Still further, the antifreeze is an ethylene glycol solution.
Based on the design of above-mentioned air conditioner freeze-proof device, the utility model discloses still provide an air conditioner, including compressor, cross valve, indoor heat exchanger, outdoor heat exchanger and air conditioner freeze-proof device.
Compared with the prior art, the utility model discloses an advantage is with positive effect: the utility model discloses an air conditioner freeze-proof device and air conditioner, through design heat transfer structure and cooling tower, under the mode is heated to the air conditioner, the antifreeze in outdoor heat exchanger and the antifreeze passageway carries out the heat exchange, outdoor heat exchanger promotes the temperature through the heat that absorbs the antifreeze, avoid heating the in-process frosting, and then avoided the defrosting process, thereby the air conditioner can heat in succession, realize the function of heating in succession, the effect of heating in succession has also been guaranteed simultaneously, the function of heating in succession that the effect of heating is not influenced in the realization, improve user experience.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an embodiment of an air conditioner anti-freezing device provided by the invention.
Reference numerals:
1. a four-way valve; 2. a throttling device; 3. a heat exchange structure; 4. a liquid inlet pipe; 5. a liquid outlet pipe;
A. a refrigerant inlet; B. a refrigerant outlet; C. an antifreeze inlet; D. an antifreeze outlet;
E. a liquid inlet; F. and a liquid outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "connected" in the description of the present invention are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection, such as a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The embodiment provides an air conditioner, which mainly comprises a compressor, a four-way valve 1, an indoor heat exchanger, a throttling device 2, an outdoor heat exchanger, an air conditioner anti-freezing device and the like, wherein the compressor, the four-way valve 1, the indoor heat exchanger, the throttling device 2 and the outdoor heat exchanger form a refrigerant circulation pipeline, and the refrigerant circulation pipeline is shown in fig. 1.
The air conditioner anti-freezing device mainly comprises a heat exchange structure 3, a cooling tower and the like; the heat exchange structure 3 comprises a shell, wherein a refrigerant inlet A, a refrigerant outlet B, an antifreeze inlet C and an antifreeze outlet D are formed on the shell; the outdoor heat exchanger is positioned in the shell of the heat exchange structure 3, a liquid pipe of the outdoor heat exchanger passes through the refrigerant inlet A and is connected with the throttling device 2, and an air pipe of the outdoor heat exchanger passes through the refrigerant outlet B and is connected with the four-way valve; an anti-freezing liquid channel communicated with the anti-freezing liquid inlet C and the anti-freezing liquid outlet D is formed in the shell of the heat exchange structure, anti-freezing liquid is arranged in the anti-freezing liquid channel, and the anti-freezing liquid in the anti-freezing liquid channel exchanges heat with a refrigerant in the outdoor heat exchanger.
The cooling tower comprises a tower body, and a liquid inlet E, a liquid outlet F, an air inlet and an air outlet are formed on the tower body; a liquid channel communicated with the liquid inlet E and the liquid outlet F is formed in the tower body, and a gas channel communicated with the gas inlet and the gas outlet is also formed in the tower body; a liquid inlet E of the cooling tower is communicated with an antifreeze liquid outlet D of the heat exchange structure 3 through a liquid outlet pipe 5, and a liquid outlet F of the cooling tower is communicated with an antifreeze liquid inlet C of the heat exchange structure 3 through a liquid inlet pipe 4.
The refrigerant circulation path under the air conditioner heating mode is: compressor → four-way valve → indoor heat exchanger → throttling device → outdoor heat exchanger → four-way valve → compressor.
The circulation path of the antifreeze is as follows: liquid channel of cooling tower → liquid inlet pipe 4 → antifreeze channel of heat exchange structure 3 → liquid outlet pipe 5 → liquid channel of cooling tower.
The high-temperature and high-pressure gaseous refrigerant discharged by the compressor is changed into a low-temperature and low-pressure liquid refrigerant after being subjected to heat exchange by the indoor heat exchanger and the throttling action of the throttling device, and then enters the outdoor heat exchanger, the liquid refrigerant in the outdoor heat exchanger exchanges heat with the anti-freezing solution in the anti-freezing solution channel to absorb the heat of the anti-freezing solution, the temperature of the outdoor heat exchanger is increased, and the temperature of the anti-freezing solution in the anti-freezing solution channel is reduced; because the temperature of the outdoor heat exchanger is increased, the frosting phenomenon can not occur.
After heat exchange is carried out between the anti-freezing liquid in the anti-freezing liquid channel and the outdoor heat exchanger, the temperature is reduced (lower than the ambient temperature), the anti-freezing liquid flows back to the liquid channel of the cooling tower through the liquid outlet pipe 5, then the anti-freezing liquid exchanges heat with the air in the gas channel, absorbs the heat of the air, the temperature is increased, and the anti-freezing liquid enters the anti-freezing liquid channel of the heat exchange structure through the liquid inlet pipe 4.
The air conditioner anti-freezing device of this embodiment, through design heat transfer structure and cooling tower, under the air conditioner mode of heating, outdoor heat exchanger carries out the heat exchange with the antifreeze in the antifreeze passageway, outdoor heat exchanger promotes the temperature through the heat that absorbs the antifreeze, avoid frosting at the in-process of heating, and then avoided the defrosting process, thereby the air conditioner can heat in succession, realize the function of heating in succession, the effect of heating in the in-process of heating in succession has also been guaranteed simultaneously, the function of heating in succession that the effect of realizing not influencing heats, improve user experience.
As a preferable design of this embodiment, the antifreeze fluid channel is wound around the outdoor heat exchanger. The outdoor heat exchanger is wound together with the antifreeze liquid channel, and the outdoor heat exchanger can fully absorb the heat of the antifreeze liquid and further prevent the outdoor heat exchanger from frosting.
As another preferable design of this embodiment, the outdoor heat exchanger is located in the antifreeze passage. Namely, the outdoor heat exchanger is completely immersed into the antifreeze, so that the outdoor heat exchanger can more fully absorb the heat of the antifreeze, and the frosting of the outdoor heat exchanger is further prevented. In this embodiment, the entire inner space of the housing can be used as the antifreeze passage.
In this embodiment, the antifreeze inlet C, the antifreeze outlet D, the refrigerant inlet a, and the refrigerant outlet B are respectively provided with a sealing ring, so that the shell of the heat exchange structure becomes a sealed space to prevent liquid in the shell from leaking.
In this embodiment, heat exchange structure's casing is thermal-insulated material, avoids outside scattered calorific capacity, reduces calorific loss.
The cooling tower is a heat dissipation device in an air-conditioning refrigeration mode; in the air-conditioning heating mode, the heat absorption device is a heat absorption device. Of course, in the present embodiment, the cooling tower is a heat absorbing device for absorbing heat of air to raise the temperature of the antifreeze solution.
In this embodiment, the gas channel surrounds the periphery of the liquid channel. The liquid channel is arranged at the center of the tower body, the gas channel is an annular channel and surrounds the periphery of the liquid channel, so that the contact area between the liquid channel and the gas channel can be increased, the antifreeze in the liquid channel and the air in the gas channel can fully exchange heat, and the antifreeze in the liquid channel can fully absorb the heat of the air in the gas channel, so as to improve the temperature.
In this embodiment, inlet E is located the tower body top, and liquid outlet F is located the tower body bottom, and the air inlet is provided with a plurality ofly, and a plurality of air inlets circumference is laid on the outer peripheral face of tower body, and the gas outlet is located the tower body top. The antifreeze in the liquid channel flows from top to bottom, the air channel is air inlet at the periphery and air outlet at the top, and the air flows upwards from the periphery so as to further increase the contact area between the liquid channel and the air channel, so that the antifreeze in the liquid channel and the air in the air channel fully exchange heat, and the temperature of the antifreeze in the liquid channel is further increased.
And a fan is arranged in the gas channel, and the fan rotates to drive air to enter the gas channel from the periphery of the tower body. Air in the environment enters the air channel from the periphery of the cooling tower through the air inlet under the driving of the fan and is then exhausted from the air outlet at the top.
In this embodiment, a water pump is arranged on the liquid outlet pipe 5, a temperature sensor is arranged on the outdoor heat exchanger, and the temperature sensor collects the temperature of the outdoor heat exchanger and sends the collected temperature signal to the air conditioner main control board; the air conditioner main control board controls the operation of the fan and the water pump according to the received temperature signal.
If the temperature signal is lower than the threshold value, the outdoor heat exchanger is low in temperature and has a frosting risk, the air conditioner main control board starts the water pump and the fan, so that the anti-freezing liquid circularly flows to enter the cooling tower to increase the temperature, and the anti-freezing liquid heated in the cooling tower enters the anti-freezing liquid channel of the heat exchange structure to exchange heat with the outdoor heat exchanger, so that the temperature of the outdoor heat exchanger is increased, and the frosting of the outdoor heat exchanger is prevented.
If the temperature signal is not lower than the threshold value, the frosting risk of the outdoor heat exchanger is avoided, and the air conditioner main control board turns off the water pump and the fan to save energy.
In this embodiment, the antifreeze is an ethylene glycol solution, which is low in cost and easy to obtain. The glycol solution has excellent antifreezing state and low-temperature fluidity, and can work at-40 ℃, so that the icing phenomenon cannot occur in the heat exchange structure. The glycol solution with the temperature lower than the external environment flows from top to bottom in the liquid channel of the cooling tower, and absorbs heat from the air in the gas channel in the cooling tower, so that the heat exchange between the glycol solution and the air is completed.
In the heating process of the air conditioner, the good low-temperature fluidity of the glycol solution is utilized, heat exchange is directly carried out between the glycol solution and air in the cooling tower, then the glycol solution enters the heat exchange structure and exchanges heat with the outdoor heat exchanger, so that the temperature of the outdoor heat exchanger is increased, the frosting and defrosting processes of the outdoor heat exchanger in the heating process are avoided, and the heating effect in the continuous heating process is ensured.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides an air conditioner freeze-proof device, the air conditioner is including compressor, cross valve, indoor heat exchanger, the outdoor heat exchanger that forms refrigerant circulation pipeline, its characterized in that, air conditioner freeze-proof device includes:
the heat exchange structure comprises a shell, wherein a refrigerant inlet, a refrigerant outlet, an antifreeze inlet and an antifreeze outlet are formed on the shell; the outdoor heat exchanger is positioned in the shell, a liquid pipe of the outdoor heat exchanger penetrates through the refrigerant inlet, and an air pipe of the outdoor heat exchanger penetrates through the refrigerant outlet; an antifreeze solution channel communicated with an antifreeze solution inlet and an antifreeze solution outlet is formed in the shell; the anti-freezing liquid channel is internally provided with anti-freezing liquid;
the cooling tower comprises a tower body, wherein a liquid inlet, a liquid outlet, an air inlet and an air outlet are formed in the tower body; a liquid channel communicated with the liquid inlet and the liquid outlet is formed in the tower body, and a gas channel communicated with the gas inlet and the gas outlet is also formed in the tower body;
the liquid inlet of the cooling tower is communicated with the antifreeze outlet of the heat exchange structure through a liquid outlet pipe, and the liquid outlet of the cooling tower is communicated with the antifreeze inlet of the heat exchange structure through a liquid inlet pipe.
2. An air conditioner antifreeze apparatus as set forth in claim 1 wherein said antifreeze passage is wound on an outdoor heat exchanger.
3. An air conditioner antifreeze apparatus as set forth in claim 1 wherein said outdoor heat exchanger is located within said antifreeze passage.
4. An air conditioner antifreeze apparatus as set forth in claim 1 wherein seal rings are respectively installed at said antifreeze inlet, antifreeze outlet, refrigerant inlet and refrigerant outlet.
5. An air conditioner antifreeze apparatus as set forth in claim 1 wherein said heat exchange structure shell is of a thermally insulating material.
6. An air conditioner antifreeze apparatus as set forth in claim 1 wherein said gas passage surrounds the periphery of said liquid passage.
7. An air conditioner anti-freezing device as claimed in claim 1, wherein the liquid inlet is located at the top of the tower body, the liquid outlet is located at the bottom of the tower body, the plurality of air inlets are circumferentially arranged on the outer circumferential surface of the tower body, and the air outlet is located at the top of the tower body.
8. The air conditioner anti-freezing device as claimed in claim 1, wherein a fan is arranged in the gas channel, a water pump is arranged on the liquid outlet pipe, a temperature sensor is arranged on the outdoor heat exchanger, and the temperature sensor collects temperature signals and sends the collected temperature signals to an air conditioner main control board; and the air conditioner main control board controls the operation of the fan and the water pump according to the received temperature signal.
9. An air conditioner antifreeze apparatus as set forth in any of claims 1 to 8 wherein said antifreeze is a glycol solution.
10. An air conditioner characterized by comprising a compressor, a four-way valve, an indoor heat exchanger, an outdoor heat exchanger, and the air conditioner antifreeze apparatus as set forth in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020615888.0U CN212538393U (en) | 2020-04-22 | 2020-04-22 | Air conditioner freeze-proof device and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020615888.0U CN212538393U (en) | 2020-04-22 | 2020-04-22 | Air conditioner freeze-proof device and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212538393U true CN212538393U (en) | 2021-02-12 |
Family
ID=74519032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020615888.0U Expired - Fee Related CN212538393U (en) | 2020-04-22 | 2020-04-22 | Air conditioner freeze-proof device and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212538393U (en) |
-
2020
- 2020-04-22 CN CN202020615888.0U patent/CN212538393U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210824 Address after: 230001 No. 1, No. 2 and No. 3 of Haier Innovation Industrial Park, 3456 Shixin Road, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: HEFEI HAIER AIR CONDITIONING ELECTRONIC Co.,Ltd. Patentee after: QINGDAO HAIER AIR-CONDITIONING ELECTRONIC Co.,Ltd. Patentee after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Patentee before: QINGDAO HAIER AIR-CONDITIONING ELECTRONIC Co.,Ltd. Patentee before: Haier Zhijia Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210212 |