CN218916077U - Self-cleaning device for heat exchanger of outdoor unit, outdoor unit and air conditioner - Google Patents
Self-cleaning device for heat exchanger of outdoor unit, outdoor unit and air conditioner Download PDFInfo
- Publication number
- CN218916077U CN218916077U CN202222721935.1U CN202222721935U CN218916077U CN 218916077 U CN218916077 U CN 218916077U CN 202222721935 U CN202222721935 U CN 202222721935U CN 218916077 U CN218916077 U CN 218916077U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- outdoor unit
- screw
- self
- cleaning device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
The utility model relates to the technical field of air conditioners, and provides a self-cleaning device for an outdoor unit heat exchanger, an outdoor unit and an air conditioner, wherein the self-cleaning device for the outdoor unit heat exchanger comprises: the screw rod, the guide rod, the hairbrush and the driver are arranged at the outer side of the heat exchanger of the outdoor unit; the guide rod is arranged at the outer side of the heat exchanger and is parallel to the screw rod; the hair brush is provided with a first connecting ring and a second connecting ring, the first connecting ring is in threaded connection with the screw rod, the second connecting ring is sleeved on the guide rod, and the hair brush is movably arranged on the outer surface of the heat exchanger; the driver is arranged on the frame of the outdoor unit and connected with the screw rod, and the driver is used for driving the screw rod to rotate. The utility model can realize the automatic cleaning of the heat exchanger of the outdoor unit, achieves the purposes of defrosting, cleaning dust and the like, and has the characteristics of simple structure, high stability and reliability and the like.
Description
Technical Field
The utility model relates to the technical field of air conditioners, in particular to a self-cleaning device for an outdoor unit heat exchanger, an outdoor unit and an air conditioner.
Background
The air conditioner mainly comprises an indoor unit and an outdoor unit which are connected, and realizes refrigeration or heating. At present, dust impurities are easy to adhere to the surface of a heat exchanger of an outdoor unit, the heat exchanger of an indoor unit is a condenser, the heat exchanger of the outdoor unit is an evaporator, heat is required to be absorbed when the evaporator evaporates a refrigerant, the temperature of the evaporator is reduced after the heat is absorbed, condensed water is formed when outdoor air meets a cooler evaporator, and when the temperature of the evaporator is extremely low, the water becomes frost or even freezes, so that the heat exchange effect of the heat exchanger is seriously affected.
Therefore, there is a need for a simple and reliable self-cleaning device for an outdoor heat exchanger.
Disclosure of Invention
The utility model provides a self-cleaning device for an outdoor unit heat exchanger, an outdoor unit and an air conditioner, which can realize automatic cleaning of the outdoor unit heat exchanger, achieve the purposes of defrosting, dust cleaning and the like, and have the characteristics of simple structure, high stability and reliability and the like.
The utility model provides a self-cleaning device of an outdoor unit heat exchanger, which comprises:
the screw is arranged at the outer side of the outdoor unit heat exchanger;
the guide rod is arranged at the outer side of the heat exchanger and is parallel to the screw rod;
the hair brush is provided with a first connecting ring and a second connecting ring, the first connecting ring is in threaded connection with the screw rod, the second connecting ring is sleeved on the guide rod, and the hair brush is movably arranged on the outer surface of the heat exchanger;
and the driver is arranged on the frame of the outdoor unit and connected with the screw rod, and the driver is used for driving the screw rod to rotate.
The utility model provides a self-cleaning device for an outdoor unit heat exchanger, which further comprises:
the temperature sensor is arranged on the coil pipe of the heat exchanger and used for detecting the temperature of the coil pipe of the heat exchanger;
and the controller is respectively and electrically connected with the temperature sensor and the driver.
According to the self-cleaning device for the heat exchanger of the outdoor unit, the heat exchanger comprises the first heat exchange main body and the second heat exchange main body which are integrally formed, the first heat exchange main body is arranged along the length direction of the outdoor unit, and the second heat exchange main body is arranged along the width direction of the outdoor unit.
According to the self-cleaning device for the outdoor unit heat exchanger, the screw rod comprises the first screw rod and the second screw rod, the first screw rod is transversely arranged on the outer side of the first heat exchange main body, the first end of the first screw rod is connected with the driver, the second screw rod is transversely arranged on the outer side of the second heat exchange main body, the first end of the second screw rod is in transmission connection with the second end of the first screw rod through the transmission assembly, and the first screw rod and the second screw rod are respectively connected with the hairbrush.
According to the self-cleaning device for the outdoor unit heat exchanger, provided by the utility model, the end, close to the driver, of the guide rod is provided with the first limit baffle, the second end of the second screw rod is provided with the second limit baffle, and the first limit baffle and the second limit baffle are arranged on the frame.
According to the self-cleaning device for the outdoor unit heat exchanger, the transmission assembly is the bevel gear pair, and the outer part of the bevel gear pair is also provided with the protective cover.
According to the self-cleaning device for the outdoor unit heat exchanger, the guide rod is L-shaped.
According to the self-cleaning device for the outdoor unit heat exchanger, the hairbrush is strip-shaped, the hairbrush is arranged along the height direction of the heat exchanger, and the length of the hairbrush is not smaller than the height of the heat exchanger.
The present utility model also provides an outdoor unit including: the self-cleaning device of the outdoor unit heat exchanger.
The present utility model also provides an air conditioner, comprising: the outdoor unit.
According to the self-cleaning device for the outdoor unit heat exchanger, the outdoor unit and the air conditioner, the screw is arranged on the outer side of the outdoor unit heat exchanger, the guide rod is arranged on the outer side of the heat exchanger and is parallel to the screw, the hairbrush is provided with the first connecting ring and the second connecting ring, the first connecting ring is in threaded connection with the screw, the second connecting ring is sleeved on the guide rod, the driver is arranged on the frame of the outdoor unit and is connected with the screw, and the driver can drive the screw to rotate, so that the hairbrush is driven to reciprocate on the outer surface of the heat exchanger, self cleaning is achieved, the stability of the hairbrush moving can be improved through the guide rod, and cleaning effect is guaranteed. Therefore, the utility model can realize the automatic cleaning of the heat exchanger of the outdoor unit, achieves the purposes of defrosting, cleaning dust and the like, and has the characteristics of simple structure, high stability and reliability and the like.
Drawings
In order to more clearly illustrate the utility model or the technical solutions in the related art, the drawings that are required to be used in the description of the embodiments or the related art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an outdoor unit according to the present utility model;
FIG. 2 is a schematic diagram of a second embodiment of an outdoor unit according to the present utility model;
fig. 3 is a third schematic structural diagram of the outdoor unit according to the present utility model.
Reference numerals:
1: a heat exchanger; 101: a first heat exchange body; 102: a second heat exchange body;
2: a screw; 201: a first screw; 202: a second screw;
3: a guide rod;
4: a brush; 401: a first connection ring; 402: a second connecting ring;
5: a driver; 6: a frame; 7: a first limit baffle; 8: the second limit baffle plate;
9: a first bevel gear; 10: a second bevel gear; 11: a protective cover; 12: a connecting seat;
13: a collection box; 14: and a ventilation grille.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the embodiments of the present utility model, it should be noted that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of describing the embodiments of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.
In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
According to an embodiment of the first aspect of the present utility model, referring to fig. 1 to 3, the self-cleaning device for an outdoor heat exchanger provided by the present utility model mainly includes: screw rod 2, guide bar 3, brush 4 and driver 5. Wherein, the screw rod 2 is arranged outside the outdoor heat exchanger 1; the guide rod 3 is arranged on the outer side of the heat exchanger 1, and the guide rod 3 is parallel to the screw rod 2; the hairbrush 4 is provided with a first connecting ring 401 and a second connecting ring 402, the first connecting ring 401 is in threaded connection with the screw rod 2, the second connecting ring 402 is sleeved on the guide rod 3, and the hairbrush 4 is movably arranged on the outer surface of the heat exchanger 1, so that self-cleaning of the heat exchanger 1 is realized; the driver 5 is disposed on a frame 6 of the outdoor unit, and the driver 5 is connected to the screw 2, and the driver 5 is used for driving the screw 2 to rotate. The driver 5 may be a motor, and may specifically be a stepper motor, a servo motor, or the like.
According to the self-cleaning device for the outdoor unit heat exchanger, when the self-cleaning device is in operation, the screw rod 2 is driven to rotate through the driver 5, so that the hairbrush 4 is driven to reciprocate on the outer surface of the heat exchanger 1 along the guide rod 3, self-cleaning is achieved, the moving stability of the hairbrush 4 can be improved through the guide rod 3, and the cleaning effect is guaranteed. Therefore, the utility model can realize the automatic cleaning of the outdoor heat exchanger 1, achieve the purposes of defrosting, cleaning dust and the like, and has the characteristics of simple structure, high stability and reliability and the like.
According to an embodiment of the present utility model, the outdoor heat exchanger self-cleaning device further includes: the temperature sensor is arranged on a coil of the heat exchanger 1 and is used for detecting the temperature of the coil of the heat exchanger 1; the controller is electrically connected with the temperature sensor and the driver 5 respectively, and the controller is used for controlling the self-cleaning device to defrost according to the detected coil temperature of the heat exchanger 1.
Specifically, the air conditioner is generally an intelligent air conditioner, the controller is integrated on a computer board of the air conditioner, a user starts the air conditioner to operate, if the air conditioner operation mode is a heating mode, the temperature sensor is used for detecting the temperature of a coil pipe of the outdoor unit heat exchanger 1, and when T is Outer part ≤T a At this time, the self-cleaning device is started and runs once every a first preset time period, wherein the brush 4 is once again; when T is b ≤T Outer part ＜T a At this time, the self-cleaning device can be set to a moderate frosting stage and run once every second preset time period; when T is Outer part ＜T b At the moment, the self-cleaning device can be set to be in a serious frosting stage, and the self-cleaning device continuously operates to realize defrosting; and judging the current coil temperature once every third preset time length, so as to control the self-cleaning device to jump to different frosting stages, run different time lengths and realize accurate defrosting. Wherein T is Outer part Is the coil temperature of the outdoor unit heat exchanger 1, T a At a first preset temperature value, T b For the second preset temperature value, the first preset time length is longer than the second preset time length, and the third preset time length is longer than the first preset time length, and the design can be specifically carried out according to the actual working condition. For example, the first preset duration may be 5 minutes, the second preset duration may be 3 minutes, and the third preset duration may be 10 minutes.
Therefore, the embodiment of the utility model can realize self-adaptive defrosting with different frosting degrees, thereby ensuring the heat exchange effect of the heat exchanger 1 and improving the use experience of users.
In other examples, when the air conditioner heats, and when frosting or even icing occurs in the outdoor unit, the controller can control the four-way reversing valve to reverse the refrigerant in the circulating pipeline by controlling the compressor, send heat back to the heat exchanger 1 of the outdoor unit again, and melt the frost on the heat exchanger 1 into water to realize defrosting.
According to one embodiment of the utility model, the controller is further configured to control the self-cleaning device to perform ash removal. Specifically, before the air conditioner starts to operate, the self-cleaning device can be started, and dust and impurities on the heat exchanger 1 of the outdoor unit are removed through the hairbrush 4; or when the air conditioner operation mode is a refrigeration mode, the self-cleaning device can be started to carry out ash cleaning treatment, so that the heat exchange effect of the heat exchanger 1 is ensured.
According to an embodiment of the present utility model, referring to fig. 1 to 3, the heat exchanger 1 includes a first heat exchange body 101 and a second heat exchange body 102 which are integrally formed, the first heat exchange body 101 is disposed along a length direction of the outdoor unit, and may be disposed at a rear side of the outdoor unit, and the second heat exchange body 102 is disposed along a width direction of the outdoor unit, and may be disposed at a left side of the outdoor unit, i.e., the heat exchanger 1 is substantially L-shaped, so that heat exchange amount is increased, thereby improving heat exchange effect.
And, screw rod 2 includes first screw rod 201 and second screw rod 202, and first screw rod 201 transversely sets up in the outside of first heat transfer main part 101, and first end and the driver 5 of first screw rod 201 are connected, and second screw rod 202 transversely sets up in the outside of second heat transfer main part 102, and the first end of second screw rod 202 passes through drive assembly and is connected with the second end transmission of first screw rod 201, and first screw rod 201 and second screw rod 202 are connected with brush 4 respectively.
Specifically, the driver 5 is a motor, when defrosting is needed, the motor starts to rotate, the first screw 201 is driven to rotate, the brush 4 on the first screw 201 is driven to move, the second screw 202 can be driven to move through the transmission assembly, the brush 4 on the second screw 202 is driven to move, the two screws realize transmission through the transmission assembly, and functions of defrosting, ash cleaning and the like are realized through reciprocating motion of the brush 4.
It can be understood that the two heat exchange bodies of the L-shaped heat exchanger 1 can be cleaned by arranging the two screws, and the transmission of the two screws is realized by the transmission assembly, so that the two screws can be synchronously driven to rotate by only one driver 5, the structure can be simplified, and the cost can be reduced.
According to an embodiment of the present utility model, referring to fig. 2 and 3, a first limit baffle 7 is disposed at one end of the guide rod 3 near the driver 5, a second limit baffle 8 is disposed at a second end of the second screw 202, and the first limit baffle 7 and the second limit baffle 8 are disposed on the frame 6 of the outdoor unit. According to the utility model, the limiting baffles are respectively arranged at the two ends, so that the movement of the hairbrush 4 can be limited, the hairbrush is prevented from falling off, and the stability and the reliability are improved.
According to one embodiment of the present utility model, referring to fig. 3, the transmission assembly is a bevel gear pair including a first bevel gear 9 and a second bevel gear 10, the first bevel gear 9 is connected to the second end of the first screw 201, the second bevel gear 10 is connected to the first end of the second screw 202, and the first bevel gear 9 and the second bevel gear 10 are engaged with each other, and are disposed generally perpendicular to each other, thereby achieving transmission.
And the outside of the bevel gear pair is also provided with a protective cover 11 for protecting the bevel gear pair, thereby ensuring the transmission performance and further improving the stability and reliability of the device.
According to one embodiment of the present utility model, referring to fig. 2 and 3, the guide bar 3 is L-shaped.
And still be equipped with connecting seat 12 on the frame 6 of off-premises station, connecting seat 12 connect in the kink department of guide bar 3, improve the installation stability of guide bar 3.
According to an embodiment of the present utility model, referring to fig. 2 and 3, the brush 4 is shaped as a bar, the brush 4 is disposed along the height direction of the heat exchanger 1, and the length of the brush 4 is not less than the height of the heat exchanger 1, thereby improving the cleaning effect.
According to one embodiment of the utility model, the overall length of the screw rod 2 and the guide rod 3 is not smaller than the overall length of the heat exchanger 1, so that the heat exchanger 1 is subjected to more comprehensive covering cleaning, the cleaning effect is improved, and the heat exchange effect is ensured.
According to an embodiment of the second aspect of the present utility model, referring to fig. 1 to 3, the present utility model further provides an outdoor unit, including: the self-cleaning device of the outdoor unit heat exchanger of the embodiment.
The outdoor unit of the embodiment of the utility model comprises the self-cleaning device of the outdoor unit heat exchanger, so that the self-cleaning device of the outdoor unit heat exchanger has all technical effects and is not repeated here.
According to one embodiment of the present utility model, the bottom of the outdoor unit frame 6 is provided with the collecting box 13, and the collecting box 13 is detachably connected with the frame 6, and the water, dust, etc. cleaned by the brush 4 can fall into the collecting box 13 and be collected by the collecting box 13, so that the subsequent centralized treatment can be performed, and the environment pollution is avoided.
According to an embodiment of the present utility model, referring to fig. 1, a ventilation grille 14 is provided at the front side of an outdoor unit, a fan is further provided inside the outdoor unit, and air is driven by the fan to enter the outdoor unit through the ventilation grille 14 to exchange heat with a heat exchanger 1.
According to an embodiment of the present utility model, the outdoor unit further includes a compressor provided inside the outdoor unit, and the compressor is connected to the heat exchanger 1.
According to an embodiment of the third aspect of the present utility model, there is also provided an air conditioner including: the outdoor unit of the above embodiment.
The air conditioner according to the embodiment of the present utility model includes the outdoor unit of the above embodiment, so that all technical effects of the outdoor unit are provided, and the description thereof is omitted.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. The utility model provides an off-premises station heat exchanger self-cleaning device which characterized in that includes:
the screw is arranged at the outer side of the outdoor unit heat exchanger;
the guide rod is arranged at the outer side of the heat exchanger and is parallel to the screw rod;
the hair brush is provided with a first connecting ring and a second connecting ring, the first connecting ring is in threaded connection with the screw rod, the second connecting ring is sleeved on the guide rod, and the hair brush is movably arranged on the outer surface of the heat exchanger;
and the driver is arranged on the frame of the outdoor unit and connected with the screw rod, and the driver is used for driving the screw rod to rotate.
2. The outdoor heat exchanger self-cleaning apparatus according to claim 1, further comprising:
the temperature sensor is arranged on the coil pipe of the heat exchanger and used for detecting the temperature of the coil pipe of the heat exchanger;
and the controller is respectively and electrically connected with the temperature sensor and the driver.
3. The self-cleaning device for an outdoor unit heat exchanger according to claim 1, wherein the heat exchanger comprises a first heat exchange body and a second heat exchange body which are integrally formed, the first heat exchange body is arranged along a length direction of the outdoor unit, and the second heat exchange body is arranged along a width direction of the outdoor unit.
4. The outdoor heat exchanger self-cleaning device according to claim 3, wherein the screw comprises a first screw and a second screw, the first screw is transversely disposed on the outer side of the first heat exchange main body, a first end of the first screw is connected with the driver, the second screw is transversely disposed on the outer side of the second heat exchange main body, the first end of the second screw is in transmission connection with a second end of the first screw through a transmission assembly, and the first screw and the second screw are respectively connected with the brush.
5. The self-cleaning device for an outdoor heat exchanger according to claim 4, wherein a first limit baffle is arranged at one end of the guide rod, which is close to the driver, a second limit baffle is arranged at a second end of the second screw rod, and the first limit baffle and the second limit baffle are arranged on the frame.
6. The self-cleaning device for an outdoor heat exchanger according to claim 4, wherein the transmission assembly is a bevel gear pair, and a protective cover is further provided on the exterior of the bevel gear pair.
7. The outdoor heat exchanger self-cleaning apparatus according to claim 4, wherein the guide bar has an L-shape.
8. The self-cleaning apparatus for an outdoor unit heat exchanger according to any one of claims 1 to 7, wherein the brush is in a shape of a bar, the brush is disposed along a height direction of the heat exchanger, and a length of the brush is not less than the height of the heat exchanger.
9. An outdoor unit, comprising: a self-cleaning apparatus for an outdoor heat exchanger according to any one of claims 1 to 8.
10. An air conditioner, comprising: the outdoor unit of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222721935.1U CN218916077U (en) | 2022-10-14 | 2022-10-14 | Self-cleaning device for heat exchanger of outdoor unit, outdoor unit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222721935.1U CN218916077U (en) | 2022-10-14 | 2022-10-14 | Self-cleaning device for heat exchanger of outdoor unit, outdoor unit and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218916077U true CN218916077U (en) | 2023-04-25 |
Family
ID=86042946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222721935.1U Active CN218916077U (en) | 2022-10-14 | 2022-10-14 | Self-cleaning device for heat exchanger of outdoor unit, outdoor unit and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218916077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117870411A (en) * | 2024-01-24 | 2024-04-12 | 广东博益空调配套设备有限公司 | Cold countercurrent heat exchanger |
-
2022
- 2022-10-14 CN CN202222721935.1U patent/CN218916077U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117870411A (en) * | 2024-01-24 | 2024-04-12 | 广东博益空调配套设备有限公司 | Cold countercurrent heat exchanger |
| CN117870411B (en) * | 2024-01-24 | 2024-06-07 | 广东博益空调配套设备有限公司 | Cold countercurrent heat exchanger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208735760U (en) | Hospital's outdoor machine of air-conditioner cleaning device | |
| CN218916077U (en) | Self-cleaning device for heat exchanger of outdoor unit, outdoor unit and air conditioner | |
| CN107655171A (en) | The self cleaning method and air conditioner of heat exchanger of air conditioner | |
| JP4432881B2 (en) | Air conditioner filter automatic cleaning device | |
| CN104880121A (en) | Cleaning device and automatic cleaning method for condensers of air conditioners | |
| CN107631410A (en) | The self cleaning method and air conditioner of heat exchanger of air conditioner | |
| CN107763874A (en) | The self cleaning method and air conditioner of heat exchanger of air conditioner | |
| EP1930663A2 (en) | Air conditioner | |
| CN111089341A (en) | Window type air conditioner and control method thereof | |
| CN112880046A (en) | Auxiliary cleaning device, cleaning method and integral air conditioner | |
| JP2006220412A (en) | Air conditioner | |
| CN113465031B (en) | Air conditioner indoor unit, air conditioner and air conditioner self-cleaning control method | |
| CN213480565U (en) | Auxiliary device for promoting defrosting of air conditioner in winter | |
| CN115059973A (en) | Ground source heat pump energy-saving air conditioner applying fuzzy mathematics | |
| TWI351497B (en) | Air conditioner | |
| CN212481416U (en) | Smoke machine air conditioner | |
| CN217653994U (en) | Air conditioner indoor unit and air conditioner comprising same | |
| CN219036895U (en) | Air conditioner outdoor unit and air conditioner | |
| CN219693661U (en) | Defrosting mechanism of refrigeration equipment | |
| CN108296246A (en) | A kind of full-automatic hanging air conditioner shell cleaning robot | |
| CN219036897U (en) | Defrosting assembly and air conditioner | |
| CN216769846U (en) | Automatic defrosting air source heat pump outdoor unit | |
| CN219036894U (en) | Defrosting assembly and air condensing units | |
| CN217737490U (en) | Novel refrigeration air conditioning equipment control box | |
| CN110608507A (en) | Air conditioner fan blade dust removal method and device and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |