CN210891915U - Heat exchanger, indoor unit and air conditioner - Google Patents

Heat exchanger, indoor unit and air conditioner Download PDF

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Publication number
CN210891915U
CN210891915U CN201921883763.XU CN201921883763U CN210891915U CN 210891915 U CN210891915 U CN 210891915U CN 201921883763 U CN201921883763 U CN 201921883763U CN 210891915 U CN210891915 U CN 210891915U
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China
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heat exchanger
refrigerant
indoor unit
mounting position
pipeline
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CN201921883763.XU
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Chinese (zh)
Inventor
苏玉熙
李芊
成凯
黄煜鹏
罗永前
汤梓颖
李振华
贾冰冰
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Abstract

The utility model provides a heat exchanger, indoor set and air conditioner. The heat exchanger comprises a heat exchanger, and a refrigerant pipeline for refrigerant to pass through is arranged in the heat exchanger; the control valves are arranged on the refrigerant pipeline and are in multiple groups; the heat exchanger is provided with a plurality of installation positions, when the heat exchanger is located at one of the installation positions, the heat exchanger is communicated with the pipeline of the outer machine through one group of the control valves to form a refrigerant circulation pipeline, and when the heat exchanger is located at the other installation position, the heat exchanger is communicated with the pipeline of the outer machine through the other group of the control valves to form a refrigerant circulation pipeline. The heat exchanger is not required to be reversely assembled when being assembled, so that the assembling difficulty of the heat exchanger is reduced, and the assembling efficiency of the heat exchanger is effectively improved.

Description

Heat exchanger, indoor unit and air conditioner
Technical Field
The utility model relates to an air conditioning equipment technical field particularly, relates to a heat exchanger, indoor set and air conditioner.
Background
The existing air conditioner with the main stream in the market still has lower air outlet, and many technical problems need to be solved along with the appearance of the air conditioner with the upper air outlet and the lower air outlet. The inlet air enters the cavities at the two sides from the two sides through the filter screens, and is divided into an upper path and a lower path to be respectively blown out from an upper air duct and a lower air duct. But the air duct is separated in the middle, air suction is needed from two sides in order to realize air blowing, and the air suction direction needs to be blown out through the through-flow fan blade rotating by 90 degrees, so that the air blowing amount is small, and the comfort is influenced.
The prior art discloses another wall-mounted indoor unit with up-down air outlet, which comprises an upper cross-flow fan and a lower cross-flow fan, wherein the diameter of the lower cross-flow fan is more than or equal to that of the upper cross-flow fan. And an evaporator located in front of the crossflow blower. When the air conditioner is started, the upper and lower cross flow fan systems simultaneously exhaust air, so that the air quantity of the indoor unit is increased. But the fan needs more than or equal to last fan down to require, and a public evaporimeter, under the condition that fan diameter is greater than last fan diameter down, the part heat transfer will be better than evaporimeter upper portion under the evaporimeter very obviously, leads to the evaporimeter to have the heat transfer uneven, in order to guarantee the heat transfer of evaporimeter even, need adjust the upper and lower fan rotational speed and guarantee that the heat transfer is unanimous, has caused the problem that user's use experience is poor. Further, when the heat exchanger in the prior art is installed, the heat exchanger is required to be fixedly installed in the shell, namely, the position of the heat exchanger in the prior art is unique and unchangeable, if the heat exchanger is reversely installed, the flow direction of a heat exchange refrigerant is opposite to the originally designed flow direction, and the problem of low heat exchange efficiency is caused. The assembly efficiency of the indoor unit is reduced.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a heat exchanger, an indoor unit, and an air conditioner, which can solve the problem of inconvenient installation of the heat exchanger in the prior art.
In order to achieve the above object, according to an aspect of the present invention, there is provided a heat exchanger, including: the heat exchanger is internally provided with a refrigerant pipeline for refrigerant to pass through; the control valves are arranged on the refrigerant pipeline and are in multiple groups; the heat exchanger is provided with a plurality of installation positions, when the heat exchanger is located at one of the installation positions, the heat exchanger is communicated with the pipeline of the outer machine through one group of the control valves to form a refrigerant circulation pipeline, and when the heat exchanger is located at the other installation position, the heat exchanger is communicated with the pipeline of the outer machine through the other group of the control valves to form a refrigerant circulation pipeline.
Further, the heat exchanger has two kinds of installation positions, and two kinds of installation positions include first installation position and second installation position, and the heat exchanger is located the second installation position after can rotating the preset angle from first installation position.
Further, the heat exchanger can be rotated by 180 degrees in the long side direction from the first mounting position and then is located at the second mounting position.
Further, the plurality of sets of control valves includes: the first control valve group is connected with the refrigerant pipeline and is positioned at the first end of the heat exchanger; the second control valve group is connected with the refrigerant pipeline and is positioned at the second end of the heat exchanger; when one of the first control valve group and the second control valve group is communicated with the external machine, the other one of the first control valve group and the second control valve group is in a closed state.
Furthermore, the first control valve group and the second control valve group are arranged in a staggered mode in the broadside direction of the heat exchanger.
Further, at least one of the first and second control valve groups includes: the valve body is connected with the refrigerant pipeline, and external threads are arranged on the outer peripheral surface of the valve body; the valve cap, valve cap inner peripheral surface are provided with the internal thread with external screw thread matched with, valve cap and valve body threaded connection.
Furthermore, the flow direction of the refrigerant in the refrigerant pipeline when the heat exchanger is located at the first installation position is different from the flow direction of the refrigerant in the refrigerant pipeline when the heat exchanger is located at the second installation position.
According to the utility model discloses an on the other hand provides an indoor unit, including the heat exchanger, the heat exchanger is foretell heat exchanger.
Further, the indoor unit includes: the shell is provided with an upper air inlet and a lower air inlet, and the heat exchanger is arranged in the shell and positioned between the upper air inlet and the lower air inlet; wherein, the heat exchanger can be installed in the casing with first installation position or second installation position selectively.
Further, the indoor unit further includes: the pre-installation diffusion structure is arranged in the shell and can be selectively arranged close to the upper air opening or the lower air opening, when the pre-installation diffusion structure is arranged close to the upper air opening, the upper air opening forms an air outlet, the lower air opening forms an air inlet, and when the pre-installation diffusion structure is arranged close to the lower air opening, the lower air opening forms an air outlet and the upper air opening forms an air inlet.
Further, the preassembly diffusion structure is a diffusion block matched with the air channel in the shell.
According to the utility model discloses an on the other hand provides an air conditioner, including the indoor set, the indoor set is foretell indoor set.
Use the technical scheme of the utility model, set the heat exchanger to the mode that has multiunit control valve and multiple mounted position, can make this heat exchanger select the valve unit that corresponds to carry out and be connected with outer machine according to the mounted position of difference to form a complete heat transfer circulation circuit. The utility model has the advantages of set up like this and can improve the practicality of this heat exchanger effectively, because this heat exchanger has multiple mounted position for do not worry when assembling this heat exchanger and adorn it reversely, reduced the assembly degree of difficulty of heat exchanger, improved the assembly efficiency of heat exchanger effectively.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
figure 1 shows a schematic structural view of a first embodiment of an indoor unit according to the present invention;
figure 2 shows a schematic structural view of a second embodiment of the indoor unit according to the present invention.
Wherein the figures include the following reference numerals:
10. a housing; 11. an air inlet; 12. a lower tuyere; 13. a panel; 14. a bottom case;
20. a heat exchanger; 21. a refrigerant pipe;
31. a first control valve group; 32. a second control valve group;
40. an upper cross-flow fan blade; 50. and the lower cross-flow fan blade.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.
Referring to fig. 1 and 2, according to a specific embodiment of the present application, a heat exchanger is provided.
The heat exchanger includes a heat exchanger 20 and a control valve. A refrigerant pipe 21 through which a refrigerant passes is provided in the heat exchanger 20. The control valves are arranged on the refrigerant pipeline 21, and the control valves are in a plurality of groups. The heat exchanger 20 has a plurality of installation positions, when the heat exchanger 20 is located at one of the installation positions, the heat exchanger 20 is communicated with the pipeline of the external unit through one of the control valves to form a refrigerant circulation pipeline, and when the heat exchanger 20 is located at another of the installation positions, the heat exchanger 20 is communicated with the pipeline of the external unit through another control valve to form a refrigerant circulation pipeline.
In this embodiment, the heat exchanger is provided with a plurality of groups of control valves and a plurality of installation positions, so that the heat exchanger can select corresponding control valve groups to be connected with an external machine according to different installation positions to form a complete heat exchange circulation loop. The utility model has the advantages of set up like this and can improve the practicality of this heat exchanger effectively, because this heat exchanger has multiple mounted position for do not worry when assembling this heat exchanger and adorn it reversely, reduced the assembly degree of difficulty of heat exchanger, improved the assembly efficiency of heat exchanger effectively.
Preferably, the heat exchanger 20 has two mounting positions, i.e., a forward mounting position and a reverse mounting position, including a first mounting position and a second mounting position, in which the heat exchanger 20 is rotated from the first mounting position by a predetermined angle. The installation degree of difficulty that sets up like this can reduce the heat exchanger can improve the practicality of heat exchanger.
The heat exchanger 20 is rotated 180 degrees in the longitudinal direction from the first mounting position and then located at the second mounting position. This arrangement can improve the stability of the heat exchanger regardless of the mounting position of the heat exchanger.
Further, as shown in fig. 2, the plurality of sets of control valves includes a first set of control valves 31 and a second set of control valves 32. The first control valve set 31 is connected to the refrigerant pipe 21 and located at a first end of the heat exchanger 20. The second control valve set 32 is connected to the refrigerant pipe 21 and is located at a second end of the heat exchanger 20. When one of the first and second control valve groups 31 and 32 is communicated with the external machine, the other one of the first and second control valve groups 31 and 32 is in a closed state. The control valve can be prevented from refrigerant leakage by the arrangement, and the reliability of the heat exchanger is improved.
The first and second valve groups 31 and 32 are arranged in a staggered manner in the widthwise direction of the heat exchanger 20. The arrangement enables the heat exchanger to be located at different installation positions, and the control valve can be conveniently connected with an external unit.
At least one of the first and second control valve groups 31 and 32 includes a valve body and a bonnet. The valve body is connected with the refrigerant pipeline 21, and the outer peripheral surface of the valve body is provided with external threads. The inner peripheral surface of the valve cap is provided with an internal thread matched with the external thread, and the valve cap is in threaded connection with the valve body. This arrangement can improve the sealing performance of the first and second control valve groups 31 and 32. The valve body comprises a pipe inlet valve body for inputting the refrigerant and a pipe outlet valve body for discharging the refrigerant.
The flow direction of the refrigerant in the refrigerant pipeline 21 when the heat exchanger is located at the first mounting position is different from the flow direction of the refrigerant in the refrigerant pipeline 21 when the heat exchanger is located at the second mounting position. The arrangement can improve the heat exchange efficiency of the heat exchanger.
Above-mentioned heat exchanger can be used for indoor set equipment technical field, promptly according to the utility model discloses an on the other hand provides an indoor set, including the heat exchanger, the heat exchanger is the heat exchanger in above-mentioned embodiment. The indoor unit includes a casing 10. The housing 10 has an upper tuyere 11 and a lower tuyere 12. The heat exchanger 20 is disposed in the casing 10 between the upper and lower ports 11 and 12. The heat exchanger 20 is selectively installed in the housing 10 in a first installation position or a second installation position. Wherein the heat exchanger may be an evaporator. This arrangement can improve the usability of the indoor unit.
Furthermore, the indoor unit also comprises a pre-installed diffusion structure. The pre-installed diffuser structure is disposed in the housing 10, and the pre-installed diffuser structure is selectively disposed near the upper tuyere 11 or near the lower tuyere 12. When the pre-assembled diffusion structure is arranged close to the upper air inlet 11, the upper air inlet 11 forms an air outlet, the lower air inlet 12 forms an air inlet, and when the pre-assembled diffusion structure is arranged close to the lower air inlet 12, the lower air inlet 12 forms an air outlet, and the upper air inlet 11 forms an air inlet. The arrangement further improves the practicability and reliability of the indoor unit.
Further, the pre-assembled diffusion structure is a diffusion block matched with the air duct inside the housing 10. The pre-assembled diffusion structure is simple in structure, easy to machine and easy to assemble.
The indoor set in the above-mentioned embodiment can also be used to air conditioning equipment technical field, promptly according to the utility model discloses a further aspect provides an air conditioner, including the indoor set, the indoor set is the indoor set in the above-mentioned embodiment.
Specifically, this application provides an evaporimeter to air conditioner development about specially, this evaporimeter has guaranteed that no matter the air conditioner is the top blow, still blows down to and air-out from top to bottom, can both guarantee that the heat transfer of air conditioner is abundant.
Meanwhile, aiming at the newly-released air conditioner which is not different in installation direction (forward direction and reverse direction), the evaporator is reserved with installation joints in the corresponding direction for processing, and the convenience of air conditioner installation is guaranteed. When air is sucked into the cavity from the upper air inlet by the fan blades and then blown out from the lower air inlet after exchanging heat with the evaporator part shown in the figure 1, the air suction of the upper cross-flow fan blade 40 is matched with the air blowing of the lower cross-flow fan blade 50, the negative pressure at the air suction inlet can effectively improve the pressure difference at the air outlet, and the high pressure difference further improves the air quantity flowing through the whole cavity, thereby being more beneficial to improving the heat exchange efficiency of the evaporator and ensuring the strong refrigerating and heating effects of the air conditioner.
The direction of the shell is defined as positive when any air outlet is used as the lower air outlet, the shell needs to be connected in the forward installation mode, the lower end control valve is opened through a tool, the two valves (the pipe inlet valve body and the pipe outlet valve body) are opened and screwed to the maximum, at the moment, the indoor unit and the outdoor unit are communicated through the connecting pipe, and the refrigerant of the indoor unit and the refrigerant of the outdoor unit form circulation after the indoor unit and the outdoor unit are started up are. When the air conditioner is reversely installed, the two control valves at the upper end are closed tightly (based on the installed position relation), the two control valves at the lower end are opened, the connecting pipe is connected with the indoor unit through the two control valves at the lower end, and a new cycle is formed again after the air conditioner is started.
In order to ensure that the positive and negative directions of the air conditioner with upper and lower air outlets can obtain consistent high refrigeration/heating quantity, the air conditioner comprises a panel 13, upper and lower through-flow fan blades, a bottom shell 14, upper and lower air ducts and most of an evaporator. When the air conditioner operates, the lower air outlet duct is subjected to special diffusion treatment, namely a pre-installed diffusion structure is additionally arranged, so that air outlet of the air conditioner from the lower end is ensured. The upper air duct sucks air, and air enters the cavity and is blown out from the lower air outlet duct through the evaporator. Wherein, the evaporator is positioned in the middle part of the upper and lower cross-flow fan blades. The diffusion angles of the upper air outlet duct and the lower air outlet duct need to be adjusted according to actually measured air volume data. The 4 control valves of the evaporator require tools to be unscrewed.
With the appearance and popularization of the air conditioner with upper and lower air outlets, how to design the evaporator can ensure that the air conditioner is not influenced by installation becomes a research subject. Fig. 1 is a side sectional view of an indoor unit, and generally, when fig. 1 is taken as a default installation direction, a special diffuser angle treatment is not performed at an upper air inlet, but air inlet is increased as much as possible. The lower air inlet is subjected to special diffusion angle treatment to ensure air outlet, the air is blown out from the lower air outlet, the inlet air enters the cavity of the whole machine from the upper air duct through the upper cross-flow fan blade, passes through the evaporator in the cavity and is blown out from the lower air duct through the lower cross-flow fan blade. The connecting pipe of the indoor unit and the outdoor unit is connected through the lower end flow control valve, and the upper end flow control valve is locked at the moment, so that the refrigerant is prevented from leaking from the upper end. The valve cap is synchronously connected, the control valve at the lower part is opened, and the refrigerant circulates between the indoor machine and the outdoor machine through the control valve.
Further, if the user is at the beginning of installation, and the user is inclined to install the angle opposite to that of fig. 2, the original lower end control valve becomes the upper end control valve, and the control valve on the upper portion is locked at this moment, in order to further prevent the refrigerant from leaking, a threaded bonnet is connected to the control valve, and further, the refrigerant is prevented from leaking. And the control valve at the lower part is fully opened, and at the moment, the outdoor unit of the indoor unit is connected through the control valve at the lower part. The control valve may be implemented by an electronic expansion valve system.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (12)

1. A heat exchanger, comprising:
the heat exchanger (20), there are coolant pipelines (21) for the refrigerant to pass in the said heat exchanger (20);
the control valves are arranged on the refrigerant pipeline (21), and the number of the control valves is multiple;
the heat exchanger (20) is provided with a plurality of installation positions, when the heat exchanger (20) is located at one of the installation positions, the heat exchanger (20) is communicated with a pipeline of an external machine through one of the control valves to form a refrigerant circulation pipeline, and when the heat exchanger (20) is located at another one of the installation positions, the heat exchanger (20) is communicated with the pipeline of the external machine through the other control valve to form a refrigerant circulation pipeline.
2. The heat exchanger according to claim 1, wherein the heat exchanger (20) has two mounting positions, including a first mounting position and a second mounting position, the heat exchanger (20) being rotatable from the first mounting position to the second mounting position by a predetermined angle.
3. Heat exchanger according to claim 2, characterized in that the heat exchanger (20) is in the second mounting position after being rotatable 180 ° in the long side direction from the first mounting position.
4. The heat exchanger of claim 1, wherein the plurality of sets of control valves comprise:
a first control valve group (31), wherein the first control valve group (31) is connected with the refrigerant pipeline (21) and is positioned at a first end of the heat exchanger (20);
a second control valve group (32), wherein the second control valve group (32) is connected with the refrigerant pipeline (21) and is positioned at a second end of the heat exchanger (20);
wherein when one of the first and second control valve groups (31, 32) is in communication with the outer machine, the other of the first and second control valve groups (31, 32) is in a closed state.
5. Heat exchanger according to claim 4, wherein said first and second set of control valves (31, 32) are arranged offset in the direction of the broadsides of said heat exchanger (20).
6. The heat exchanger according to claim 4, wherein at least one of the first and second set of control valves (31, 32) comprises:
the valve body is connected with the refrigerant pipeline (21), and external threads are arranged on the peripheral surface of the valve body;
the inner peripheral surface of the valve cap is provided with an internal thread matched with the external thread, and the valve cap is in threaded connection with the valve body.
7. The heat exchanger of claim 2, wherein a flow direction of the refrigerant in the refrigerant conduit (21) when the heat exchanger is in the first mounting position is different from a flow direction of the refrigerant in the refrigerant conduit (21) when the heat exchanger is in the second mounting position.
8. An indoor unit comprising a heat exchanger, wherein the heat exchanger is as claimed in any one of claims 1 to 7.
9. The indoor unit according to claim 8, wherein the indoor unit comprises:
the shell (10), the shell (10) has an upper air inlet (11) and a lower air inlet (12), and the heat exchanger (20) is arranged in the shell (10) and is positioned between the upper air inlet (11) and the lower air inlet (12);
wherein the heat exchanger (20) is selectively mounted in the housing (10) in a first mounting position or a second mounting position.
10. The indoor unit according to claim 9, further comprising:
the preassembly diffusion structure is arranged in the shell (10), the preassembly diffusion structure is selectively close to the upper air opening (11) or the lower air opening (12), when the preassembly diffusion structure is close to the upper air opening (11), the upper air opening (11) forms an air outlet, the lower air opening (12) forms an air inlet, when the preassembly diffusion structure is close to the lower air opening (12), the lower air opening (12) forms an air outlet, and the upper air opening (11) forms an air inlet.
11. Indoor unit according to claim 10, characterized in that the pre-installed diffuser structure is a diffuser block that cooperates with the air duct inside the casing (10).
12. An air conditioner comprising an indoor unit, characterized in that the indoor unit is the indoor unit according to any one of claims 7 to 11.
CN201921883763.XU 2019-11-04 2019-11-04 Heat exchanger, indoor unit and air conditioner Active CN210891915U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921883763.XU CN210891915U (en) 2019-11-04 2019-11-04 Heat exchanger, indoor unit and air conditioner

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Application Number Priority Date Filing Date Title
CN201921883763.XU CN210891915U (en) 2019-11-04 2019-11-04 Heat exchanger, indoor unit and air conditioner

Publications (1)

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CN210891915U true CN210891915U (en) 2020-06-30

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CN201921883763.XU Active CN210891915U (en) 2019-11-04 2019-11-04 Heat exchanger, indoor unit and air conditioner

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110657494A (en) * 2019-11-04 2020-01-07 珠海格力电器股份有限公司 Heat exchanger, indoor unit and air conditioner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110657494A (en) * 2019-11-04 2020-01-07 珠海格力电器股份有限公司 Heat exchanger, indoor unit and air conditioner

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