CN211204350U - Air conditioner defrosting assembly - Google Patents
Air conditioner defrosting assembly Download PDFInfo
- Publication number
- CN211204350U CN211204350U CN201922220711.0U CN201922220711U CN211204350U CN 211204350 U CN211204350 U CN 211204350U CN 201922220711 U CN201922220711 U CN 201922220711U CN 211204350 U CN211204350 U CN 211204350U
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- China
- Prior art keywords
- heat exchanger
- defrosting
- outdoor heat
- air conditioner
- indoor
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- 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.)
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Abstract
The utility model discloses an air conditioner defrosting assembly, including off-premises station and indoor set, the inside of indoor set is equipped with indoor heat exchanger and defrosting solenoid valve, the off-premises station includes reservoir, compressor, cross valve and outdoor heat exchanger, the one end interface of cross valve is connected through the defrosting solenoid valve to indoor heat exchanger, and reservoir, compressor connect other both ends interface, interconnect between reservoir and the compressor, the port of cross valve is connected through pipeline and outdoor heat exchanger. The utility model discloses after well joining the defrosting solenoid valve, can defrost under the condition that does not change the switching-over valve state, the defrosting solenoid valve makes partial high temperature high pressure gaseous state refrigerant get back to outdoor heat exchanger through indoor heat exchanger in the compressor, and the cross valve does not act and can not cause the indoor temperature to reduce, makes indoor temperature keep setting for the level all the time, and the side defrosting auxiliary assembly gets rid of the frost in the interchanger outside through independent electrical heating, improves interchanger life.
Description
Technical Field
The utility model relates to an air conditioner technical field especially relates to an air conditioner defrosting subassembly.
Background
The defrosting of the air conditioner means that the air conditioner has the possibility of frosting during both cooling and heating, and if the air conditioner is not defrosted in time after frosting, the use of the air conditioner is affected. When the air conditioner operates in heating mode, the heat exchanger of the outdoor unit can affect the heat exchange effect due to frosting.
The ordinary constant speed air conditioner changes the flow direction of the refrigerant through the four-way reversing valve to achieve the aim of defrosting, and like the ordinary constant speed air conditioner, the indoor temperature is reduced due to the reversing flow of the refrigerant during defrosting.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the defrosting subassembly of an air conditioner that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an air conditioner defrosting subassembly, includes off-premises station and indoor set, the inside of indoor set is equipped with indoor heat exchanger and defrosting solenoid valve, the off-premises station includes reservoir, compressor, cross valve and outdoor heat exchanger, the one end interface of cross valve is connected through defrosting solenoid valve to indoor heat exchanger, and reservoir, compressor connection other both ends interface, interconnect between reservoir and the compressor, the port of cross valve is connected through pipeline and outdoor heat exchanger, outdoor heat exchanger is connected with electronic expansion valve and switching-over valve through the butt clamp between tubule and the indoor heat exchanger, the inside of outdoor heat exchanger is equipped with the heat exchange tube group, and the outside of outdoor heat exchanger is equipped with side defrosting auxiliary assembly.
Preferably, the outer wall of the top end of the outdoor heat exchanger is provided with an air inlet pipe, and the outer wall of the bottom end of the outdoor heat exchanger is provided with an air outlet pipe.
Preferably, the side defrosting auxiliary assembly comprises an electric heating pipe, a soaking cover, a temperature controller and a temperature sensor, the electric heating pipe is symmetrically distributed on the inner wall of the soaking cover, one side of the electric heating pipe is connected with the temperature controller, and the other side of the electric heating pipe is connected with the temperature sensor.
Preferably, the heat exchange tube group comprises three groups of folding fins, an inlet end and a circulating end, and the three groups of folding fins are clamped on the outer walls of two sides of the inlet end and the circulating end in parallel.
Preferably, folding fin includes the folding heat exchange tube of U type and connects the pipe support, and connects the pipe support joint on the outer wall of the folding heat exchange tube of U type, the temperature sensor tip is connected through signal line and connection pipe support.
Preferably, the indoor heat exchanger, the electronic expansion valve, the compressor, the outdoor heat exchanger and the side defrosting auxiliary assembly are all connected with a switch, and the switch is connected with a P L C controller through a lead.
The utility model has the advantages that:
1. the defrosting assembly can achieve the aim of defrosting under the condition of not changing the state of a reversing valve after the defrosting electromagnetic valve is added into a system, when a sensor detects and judges that an outdoor heat exchanger is frosted, the defrosting electromagnetic valve is opened, part of high-temperature and high-pressure gaseous refrigerant coming out of a compressor directly returns to the outdoor heat exchanger without passing through the indoor heat exchanger, the frost on the heat exchanger can be removed by the heat brought by the refrigerant, and because a four-way valve does not act when the air conditioner is frosted, the indoor temperature cannot be reduced due to the reversing flow of the refrigerant during defrosting, and the indoor temperature is always kept at a set level;
2. this defrosting subassembly still is equipped with side defrosting auxiliary assembly at outdoor heat exchanger, gets rid of the interchanger outside frost through independent electrical heating, and temperature controller and temperature sensor realize cooperating inside refrigerant operation formation dynamic balance adjustment in the cooperation, improve defrosting efficiency, improve interchanger life.
Drawings
Fig. 1 is a schematic diagram of a defrosting operation of an air conditioner defrosting assembly according to the present invention;
fig. 2 is a schematic structural view of an outdoor heat exchanger of an air conditioner defrosting assembly according to the present invention;
fig. 3 is the utility model provides a side defrosting auxiliary assembly structure sketch map of air conditioner defrosting subassembly.
In the figure: 1 indoor machine, 2 outdoor machines, 3 indoor heat exchangers, 4 electronic expansion valves, 5 liquid accumulators, 6 compressors, 7 four-way valves, 8 outdoor heat exchangers, 9 exhaust pipes, 10 side defrosting auxiliary assemblies, 11 heat exchange pipe groups, 12 air inlet pipes, 13 temperature sensors, 14 electric heating pipes, 15 soaking covers and 16 temperature controllers.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-3, an air conditioner defrosting assembly, including an outdoor unit 2 and an indoor unit 1, the indoor unit 1 is internally provided with an indoor heat exchanger 3 and a defrosting solenoid valve, the outdoor unit 2 includes a liquid reservoir 5, a compressor 6, a four-way valve 7 and an outdoor heat exchanger 8, the indoor heat exchanger 3 is connected to one end interface of the four-way valve 7 through the defrosting solenoid valve, and the liquid reservoir 5, the compressor 6 is connected to the other end interface, the liquid reservoir 5 and the compressor 6 are connected to each other, the port of the four-way valve 7 is connected to the outdoor heat exchanger 8 through a pipe, the outdoor heat exchanger 8 is connected to an electronic expansion valve 4 and a reversing valve through a pinch between a tubule and the indoor heat exchanger 3, the outdoor heat exchanger 8 is internally provided with a heat exchange tube bank 11, and the outdoor heat exchanger 8 is externally provided with a side defrosting auxiliary assembly 10, the top outer wall of the outdoor heat exchanger 8 is provided with a side defrosting auxiliary assembly 12, and the bottom outer wall of the outdoor heat exchanger 8 is provided with an air inlet pipe 9, the side defrosting auxiliary assembly 10 includes an electric heating pipe 14, a soaking cover 15, 16 and a temperature sensor 13, and a heat exchanger 3 are connected to each other side heat exchange tube holder, the heat exchanger 3 and a heat exchanger 3, the heat exchanger are connected to each other side heat exchanger 3, the heat exchanger 3 and the heat exchanger 3, the heat exchanger are connected to the heat exchanger 3, the heat exchanger includes a heat exchanger 3, the heat exchanger 3 and the heat exchanger 3, the heat exchanger are connected to the heat exchanger 3, the.
The working principle is as follows: when the defrosting component of the air conditioner is used, after a defrosting electromagnetic valve is added, the aim of defrosting can be achieved under the condition that the state of a reversing valve is not changed, when the temperature sensor 13 detects and judges that the outdoor heat exchanger 8 is frosted, the defrosting electromagnetic valve is opened, a part of high-temperature and high-pressure gaseous refrigerant coming out of the compressor 6 directly returns to the outdoor heat exchanger 8 without passing through the indoor heat exchanger 3, the frost on the heat exchanger can be removed by the heat brought by the refrigerant, because the four-way valve 7 does not act when the air conditioner is frosted, the indoor temperature can not be reduced due to the reversing flow of the refrigerant when defrosting, the indoor temperature is always kept at a set level, meanwhile, the outdoor heat exchanger 8 is provided with a side defrosting auxiliary component 10, the frost on the outer side of the heat exchanger is removed by an independent electric heating pipe 14, and the dynamic balance adjustment is realized by matching, the defrosting efficiency is improved, and the service life of the exchanger is prolonged.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an air conditioner defrosting assembly, includes off-premises station (2) and indoor set (1), its characterized in that, the inside of indoor set (1) is equipped with indoor heat exchanger (3) and defrosting solenoid valve, off-premises station (2) include reservoir (5), compressor (6), cross valve (7) and outdoor heat exchanger (8), the one end interface of cross valve (7) is connected through defrosting solenoid valve to indoor heat exchanger (3), and reservoir (5), compressor (6) connect other both ends interface, interconnect between reservoir (5) and compressor (6), the port of cross valve (7) is connected through pipeline and outdoor heat exchanger (8), outdoor heat exchanger (8) are connected with electron (4) and switching-over valve through the cross-clamp between tubule and indoor heat exchanger (3), the inside of outdoor heat exchanger (8) is equipped with heat exchange tube group (11), and a side defrosting auxiliary component (10) is arranged outside the outdoor heat exchanger (8).
2. The defrosting assembly of an air conditioner according to claim 1, characterized in that the top outer wall of the outdoor heat exchanger (8) is provided with an air inlet pipe (12), and the bottom outer wall of the outdoor heat exchanger (8) is provided with an air outlet pipe (9).
3. The air conditioner defrosting assembly according to claim 1, wherein the side defrosting auxiliary assembly (10) comprises an electric heating pipe (14), a soaking cover (15), a temperature controller (16) and a temperature sensor (13), the electric heating pipe (14) is symmetrically distributed on the inner wall of the soaking cover (15), one side of the electric heating pipe (14) is connected with the temperature controller (16), and the other side of the electric heating pipe (14) is connected with the temperature sensor (13).
4. Air conditioner defrost assembly according to claim 3 wherein the heat exchange tube bank (11) comprises three sets of folded fins, an inlet end and a circulating end, and the three sets of folded fins are clamped in parallel pairs on both side outer walls of the inlet end and the circulating end.
5. The air conditioner defrosting assembly according to claim 4, wherein the folding fin comprises a U-shaped folding heat exchange tube and a connecting tube rack, the connecting tube rack is clamped on the outer wall of the U-shaped folding heat exchange tube, and the end part of the temperature sensor (13) is connected with the connecting tube rack through a signal wire.
6. The air conditioner defrosting assembly according to claim 1, wherein the indoor heat exchanger (3), the electronic expansion valve (4), the compressor (6), the outdoor heat exchanger (8) and the side defrosting auxiliary assembly (10) are all connected with switches, and the switches are connected with a P L C controller through wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922220711.0U CN211204350U (en) | 2019-12-12 | 2019-12-12 | Air conditioner defrosting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922220711.0U CN211204350U (en) | 2019-12-12 | 2019-12-12 | Air conditioner defrosting assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211204350U true CN211204350U (en) | 2020-08-07 |
Family
ID=71863182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922220711.0U Expired - Fee Related CN211204350U (en) | 2019-12-12 | 2019-12-12 | Air conditioner defrosting assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211204350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115614921A (en) * | 2022-11-01 | 2023-01-17 | 宁波奥克斯电气股份有限公司 | Auxiliary defrosting device, air conditioner, control method and device of air conditioner and storage medium |
-
2019
- 2019-12-12 CN CN201922220711.0U patent/CN211204350U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115614921A (en) * | 2022-11-01 | 2023-01-17 | 宁波奥克斯电气股份有限公司 | Auxiliary defrosting device, air conditioner, control method and device of air conditioner and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200807 Termination date: 20211212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |