CN215765707U - Heat exchanger module, heat exchanger group, air conditioning system and air conditioner - Google Patents
Heat exchanger module, heat exchanger group, air conditioning system and air conditioner Download PDFInfo
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- CN215765707U CN215765707U CN202121591284.8U CN202121591284U CN215765707U CN 215765707 U CN215765707 U CN 215765707U CN 202121591284 U CN202121591284 U CN 202121591284U CN 215765707 U CN215765707 U CN 215765707U
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 39
- 238000005057 refrigeration Methods 0.000 claims abstract description 19
- 239000003507 refrigerant Substances 0.000 claims description 27
- 238000007791 dehumidification Methods 0.000 abstract description 21
- 238000001816 cooling Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 230000001172 regenerating effect Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model provides a heat exchanger module, a heat exchanger group, an air conditioning system and an air conditioner, relates to the technical field of air conditioners and solves the technical problem that when refrigeration dehumidification is adopted for air conditioning dehumidification in the prior art, the indoor temperature is easily reduced too much, and discomfort is caused. The heat exchanger module includes including heat transfer unit, and heat transfer unit's number is more than two and is connected through the pipeline, is provided with valve body and throttling arrangement on the pipeline, and each heat transfer unit parallel connection when the heat exchanger module is used for refrigerating for each heat transfer unit series connection and adjust throttling arrangement to become the function that the throttle state enabled the heat exchanger module to have and heat and dehumidify under the mode of heating when heating. When the heat exchanger module provided by the utility model is used as an indoor heat exchanger, the heat exchanger module has three modes of high-efficiency refrigeration, high-efficiency heating and dehumidification backheating.
Description
Technical Field
The utility model relates to the technical field of air conditioners, in particular to a heat exchanger module, a heat exchanger group, an air conditioning system and an air conditioner.
Background
The system for treating the temperature, humidity, cleanliness and airflow speed of indoor air by an artificial method is called an air conditioning system, and the air conditioning system can make a use place obtain air with certain temperature, humidity and quality so as to meet the requirements of users and a production process and improve labor hygiene and indoor climate conditions.
The applicant has found that the prior art has at least the following technical problems:
in the existing air conditioning system, refrigeration dehumidification is adopted for dehumidification, so that the indoor temperature is reduced too much and discomfort is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a heat exchanger module, a heat exchanger group, an air conditioning system and an air conditioner, which solve the technical problems that when refrigeration dehumidification is adopted for air conditioning dehumidification in the prior art, the indoor temperature is easily reduced too much, and discomfort is caused. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the utility model are described in detail in the following.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a heat exchanger module, which comprises more than two heat exchange units, wherein the heat exchange units are connected through pipelines, a valve body and a throttling device are arranged on the pipelines, the heat exchanger module is used for connecting the heat exchange units in parallel during refrigeration, and is used for connecting the heat exchange units in series during heating and adjusting the throttling device to be in a throttling state under a heating mode so as to enable the heat exchanger module to have the heating and dehumidifying functions.
Further, the heat exchange unit comprises a single heat exchanger; or the heat exchange unit comprises more than two heat exchangers which are mutually connected in parallel or in series.
Furthermore, the heat exchange unit comprises two heat exchangers which are connected in parallel, and the throttling device is arranged on a pipeline between the two heat exchangers.
Furthermore, the valve body is a one-way valve, the two heat exchangers are respectively a first heat exchanger and a second heat exchanger, the flow direction of a refrigerant in a refrigeration mode is referred to, the valve body is arranged on the inlet side of the first heat exchanger, the valve body is arranged on the outlet side of the second heat exchanger, serial pipelines are connected between the first heat exchanger and the corresponding valve body and between the second heat exchanger and the corresponding valve body, and the throttling device is arranged on the serial pipelines.
A heat exchanger group comprises more than two heat exchanger modules.
Further, all the heat exchanger modules are connected in parallel; or all of the heat exchanger modules are connected in series; or more than two heat exchanger modules are connected in series to form a combined heat exchange unit, and the combined heat exchange units are connected in parallel; or more than two combined heat exchange units are connected in parallel to form a combined heat exchange unit, and the combined heat exchange units are connected in series.
An air conditioning system comprises the heat exchanger module or/and the heat exchanger group, wherein one of an indoor heat exchanger or an outdoor heat exchanger of the air conditioning system is the heat exchanger module or the heat exchanger group.
Further, the other of the indoor heat exchanger or the outdoor heat exchanger of the air conditioning system is the heat exchanger module or the heat exchanger group or a single heat exchanger.
Further, the air conditioning system comprises more than two compressors connected in parallel; or the outdoor heat exchanger is the heat exchanger group, all the heat exchanger modules in the heat exchanger group are connected in parallel, and at least two parallel pipelines are respectively provided with a compressor or a compressor unit; or the outdoor heat exchanger is the heat exchanger group, all the combined heat exchange units in the heat exchange group are connected in parallel, and at least two parallel pipelines are respectively provided with a compressor or a compressor unit.
Further, when the outdoor heat exchanger of the air conditioning system is the heat exchanger module or the heat exchanger group, the switch valve replaces a throttling device on the heat exchanger module or the heat exchanger group to form the outdoor heat exchange module.
The air conditioner is characterized by being an indoor unit or an outdoor unit and comprising the heat exchange unit.
The utility model provides a heat exchanger module, which comprises more than two heat exchange units, wherein the heat exchange units are connected through pipelines, the pipelines are provided with valve bodies and throttling devices, the heat exchanger module is used for connecting the heat exchange units in parallel during refrigeration, and is used for connecting the heat exchange units in series during heating and enabling the heat exchanger module to have the heating and dehumidifying functions by adjusting the throttling devices 2 to be in a throttling state under a heating mode. When refrigeration is needed, the heat exchange units are connected in parallel, so that a high-efficiency refrigeration mode is realized; when only heating is needed, all the heat exchange units are connected in series, and at the moment, the throttling device is in a complete conduction state, so that the throttling function is not played, and a high-efficiency heating mode is realized; the heat exchanger module provided by the utility model also has a dehumidification regenerative mode, and can heat the indoor space when refrigeration and dehumidification are adopted, so that the influence of too low indoor temperature on customer experience is avoided, and the specific implementation mode is as follows: the heat exchanger module is in under the mode of heating and throttling arrangement is in the throttle state, the heat transfer unit that the refrigerant of following compressor exhaust flows to earlier, and the heat transfer unit is equivalent to the condenser this moment, plays the effect of heating, then the refrigerant flows to last heat transfer unit after throttling arrangement throttle (the refrigerant is through cooling, step-down after the throttle), and the heat transfer unit of this moment is equivalent to the evaporimeter, can dehumidify indoor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of a heat exchanger module according to an embodiment of the present invention (illustrating a flow direction of a refrigerant in a heating mode);
fig. 2 is a schematic diagram of a heat exchanger module according to an embodiment of the present invention (illustrating a flow direction of a refrigerant in a cooling mode);
FIG. 3 is a schematic diagram of a heat exchanger module with a switching valve in place of a throttling device provided by an embodiment of the present invention;
fig. 4 is a schematic diagram of a heat exchanger module provided by an embodiment of the utility model (a heat exchange unit is formed by connecting more than two heat exchangers in parallel);
FIG. 5 is a schematic diagram of a heat exchanger bank provided in an embodiment of the utility model (with more than two heat exchanger modules connected in parallel);
FIG. 6 is a schematic diagram of a heat exchanger bank provided in an embodiment of the utility model (with more than two heat exchanger modules in series);
fig. 7 is a schematic diagram of a heat exchanger group according to an embodiment of the present invention (more than two heat exchanger modules are connected in series to form a combined heat exchange unit, and each combined heat exchange unit is connected in parallel);
fig. 8 is a schematic diagram of a heat exchanger group according to an embodiment of the present invention (more than two heat exchanger modules are connected in parallel to form a combined heat exchange unit, and each combined heat exchange unit is connected in series);
fig. 9 is a schematic diagram of an air conditioning system according to an embodiment of the present invention (the indoor heat exchanger is a heat exchanger module, and the outdoor heat exchanger is a heat exchanger module with a switching valve instead of a throttling device);
FIG. 10 is a schematic view of an air conditioning system (indoor side cooling) provided by an embodiment of the present invention;
fig. 11 is a schematic view of an air conditioning system (indoor side heating) according to an embodiment of the present invention;
fig. 12 is a schematic diagram of an air conditioning system according to an embodiment of the present invention (the indoor heat exchanger is a heat exchanger unit, and the outdoor heat exchanger is a heat exchanger module with a switching valve instead of a throttling device);
fig. 13 is a schematic diagram of an air conditioning system according to an embodiment of the present invention (the indoor heat exchanger is a heat exchanger module, the outdoor heat exchanger is a heat exchanger module with a switching valve instead of a throttling device, and the compressors are connected in parallel);
fig. 14 is a schematic diagram of an air conditioning system according to an embodiment of the present invention (an indoor heat exchanger is a heat exchanger module, an outdoor heat exchanger is a heat exchanger module with a switching valve instead of a throttling device, and a compressor is provided in each outdoor parallel branch).
FIG. 1-heat exchanger; 2-a throttling device; 3-a one-way valve; 4-a compressor; 5-switching valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The utility model provides a heat exchanger module, which comprises more than two heat exchange units, wherein the heat exchange units are connected through pipelines, a valve body and a throttling device 2 are arranged on the pipelines, the heat exchanger module is used for connecting the heat exchange units in parallel during refrigeration, and used for connecting the heat exchange units in series during heating and adjusting the throttling device 2 into a throttling state under a heating mode so that the heat exchanger module has the functions of heating and dehumidifying. When the heat exchanger module is used for refrigeration (the heat exchanger module is used as an evaporator), the refrigerant flows to the heat exchange units connected in parallel, the on-way resistance is reduced, the refrigerant pressure drop is reduced, the heat exchange performance is good, and the high-efficiency refrigeration mode is favorably realized; when the heat exchanger module is used for heating (the heat exchanger module is used as a condenser), the refrigerant flows to the heat exchange units connected in series, at the moment, the throttling device 2 is in a complete conduction state, the throttling effect is not played, the refrigerant flow rate of the heat exchanger is increased, the heat exchange coefficient is improved, the heat exchange effect is enhanced, and the efficient heating mode is favorably realized. The heat exchanger module provided by the utility model also has the function of dehumidification and heat return, and can heat the indoor space when refrigeration and dehumidification are adopted, so that the influence on customer experience due to too low indoor temperature is avoided, and the specific implementation mode is as follows: the heat exchanger module is in under the mode of heating and adjusts throttling arrangement 2 and be in the throttle state, see fig. 1, take the number of heat transfer unit to be two as an example, the refrigerant that discharges from the compressor flows to one of them heat transfer unit earlier, and heat transfer unit is equivalent to the condenser, plays the effect of heating, then the refrigerant flows to another heat transfer unit after throttling arrangement 2 throttle (the refrigerant is cooled down after the throttle, step-down), and heat transfer unit at this moment is equivalent to the evaporimeter, can dehumidify indoor. Therefore, when the heat exchanger module provided by the utility model is used as an indoor heat exchanger, the heat exchanger module has three modes of high-efficiency refrigeration, high-efficiency heating and dehumidification heat return.
When the number of the heat exchange units is more than three, the last heat exchange unit in the refrigerant flow direction in the dehumidification and heat return mode plays a role in dehumidification.
Note that, if only two modes of high-efficiency heating and high-efficiency cooling are required, the throttle device 2 may be replaced with an on-off valve. Referring to fig. 3, an on-off valve 5 is illustrated, in this case the heat exchange unit is also used for outdoor use.
As an alternative embodiment, the heat exchange unit comprises a single heat exchanger 1; or the heat exchange unit comprises more than two heat exchangers 1 which are mutually connected in parallel or in series. Referring to fig. 1-2, the heat exchange unit is shown to comprise a single heat exchanger 1, and referring to fig. 4, the heat exchange unit is shown to comprise more than two heat exchangers 1 which are connected in parallel, so that the heat exchanger module can be expanded to a large refrigeration unit, and reasonable selection can be made according to the actual demand condition about the number condition of the heat exchangers 1 connected in parallel.
As an alternative embodiment, the heat exchange unit comprises two heat exchangers 1 which are connected in parallel, and a throttling device 2 is arranged on a pipeline between the two heat exchangers 1. Referring to fig. 1 and 2, the valve body is a check valve 3, the two heat exchangers 1 are respectively a first heat exchanger and a second heat exchanger, the inlet side of the first heat exchanger is provided with the valve body, the outlet side of the second heat exchanger is provided with the valve body, the first heat exchanger and the corresponding valve body and the second heat exchanger and the corresponding valve body are connected with a series pipeline, and the series pipeline is provided with a throttling device 2. Referring to fig. 2, when the heat exchanger module is in the cooling mode, at this time, the throttling device 2 is in a cut-off state, and the two heat exchangers 1 are connected in parallel; referring to fig. 1, when the heat exchanger module is in a heating mode (only efficient heating), at this time, the throttling device 2 is in a complete conduction state, and due to the one-way conduction function of the check valve 3, the refrigerant is discharged out of the heat exchanger module through the first heat exchanger, the throttling device 2 and the second heat exchanger; when the heat exchanger module is in the dehumidification regenerative mode, the flow direction of the refrigerant is the same as that in the high-efficiency heating mode, but the throttling device 2 is in a throttling state at the moment. The throttling device 2 is an electronic expansion valve, a thermal expansion valve or a throttle valve.
A heat exchanger group comprises more than two heat exchanger modules. Specifically, referring to fig. 5, it is illustrated that all the heat exchanger modules are connected in parallel (when dehumidification and heat return are required, the required throttling device 2 is set in a throttling state); referring to fig. 6, it is shown that all heat exchanger modules are connected in series (when dehumidification and heat return are required, the required throttling device 2 is set in a throttling state); referring to fig. 7, more than two heat exchanger modules are connected in series to form a combined heat exchange unit, and each combined heat exchange unit is connected in parallel (when dehumidification and heat regeneration are needed, a needed throttling device 2 is set to be in a throttling state); referring to fig. 8, more than two combined heat exchange units are connected in parallel to form a combined heat exchange unit, and the combined heat exchange units are connected in series (when dehumidification and heat regeneration are needed, the needed throttling device 2 is set to be in a throttling state). Of course, the heat exchanger set is not limited to the structures illustrated in fig. 5 to 8, and any heat exchanger set formed by more than two heat exchanger modules is within the protection scope of the present invention. When the heat exchanger group is used as an indoor unit or an outdoor unit, the heat exchanger group (the same air conditioning system) can be expanded to the case of a plurality of indoor units or outdoor units. It is further noted that the throttling means 2 in the heat exchanger group of fig. 5-8 can be replaced by an on-off valve 5.
An air conditioning system comprises a heat exchanger module or/and a heat exchanger group, wherein one of an indoor heat exchanger or an outdoor heat exchanger of the air conditioning system is the heat exchanger module or the heat exchanger group, and the other of the indoor heat exchanger or the outdoor heat exchanger of the air conditioning system is the heat exchanger module or the heat exchanger group or a single heat exchanger 1. Referring to fig. 9, it is shown that an indoor heat exchanger of an air conditioning system is a heat exchanger module provided by the present invention, an outdoor heat exchanger is an outdoor heat exchange module formed by a switching valve 5 instead of a throttling device 2 on the heat exchanger module, and fig. 10 and 11 respectively show the flow direction of a refrigerant in a cooling and heating state. Here, it should be noted that the outdoor heat exchanger may also be a heat exchanger module, but the throttle device 2 only functions as an "on-off valve" in this case. Referring to fig. 10, at this time, the indoor heat exchanger is in a cooling state (corresponding to the outdoor heat exchanger being in a heating state), the two indoor heat exchangers 1 are in a parallel state, and the two outdoor heat exchangers 1 are in a serial state, so as to realize efficient cooling; referring to fig. 11, the two indoor heat exchangers 1 are in series, the two outdoor heat exchangers 1 are in parallel, when the throttling device 2 is in a fully conducting state, efficient heating can be achieved, and when the throttling device 2 is in a throttling state, dehumidification and heat return can be achieved.
Referring to fig. 12, two heat exchanger modules (heat exchanger sets) are connected in parallel to the indoor side, that is, two indoor units can be used in the indoor side. The heat exchanger module provided by the utility model can be adopted only on the indoor side, the outdoor side is the single heat exchanger 1, or the outdoor side is the single heat exchanger 1, and the indoor side is the single heat exchanger 1.
As an alternative embodiment, referring to fig. 13, it is illustrated that the air conditioning system includes more than two compressors 4 connected in parallel to each other to improve the heating and cooling capacity of the system; referring to fig. 14, the outdoor heat exchanger is a heat exchanger group, all heat exchanger modules in the heat exchanger group are connected in parallel, and at least two parallel pipelines are respectively provided with a compressor 4 or a compressor unit, fig. 14 shows that two heat exchanger modules are connected in parallel, and each parallel branch is provided with a compressor 4; or, the outdoor heat exchanger is a heat exchanger group, all combined heat exchange units in the heat exchange group are connected in parallel, and at least two parallel pipelines are respectively provided with a compressor 4 or a compressor unit, so that the heating and refrigerating capacities of the system are improved. In addition, in fig. 9-14, the indoor and outdoor fans may be a centrifugal fan, an axial flow fan, a mixed flow fan, a cross flow fan, etc.; the external unit four-way valve may be replaced by a plurality of switching valves or three-way valves.
An air conditioner is an indoor unit or an outdoor unit and comprises the heat exchange unit provided by the utility model. When the air conditioner is an indoor unit, the air conditioner has the functions of efficient refrigeration, efficient heating and dehumidification and heat return. In addition, it should be noted that the outdoor unit may include the heat exchanger unit provided by the present invention, or an outdoor heat exchange module formed by replacing the throttling device 2 on the heat exchanger module with the closing valve 5, and the outdoor unit includes an external heat exchange module.
When the heat exchanger module is used for refrigeration, the throttling device 2 is controlled to be in a cut-off state, and a refrigerant flows to the heat exchange units connected in parallel; when the heat exchanger module is used for heating, the throttling device 2 is controlled to be in a complete conduction state, and the refrigerant flows to the heat exchange units connected in series; when the heat exchanger module is used for heating and dehumidifying, the throttling device 2 is controlled to be in a throttling state, the refrigerant flows to the heat exchange units connected in series, the heat exchange units flowing through the refrigerant which is not throttled heat, and the heat exchange units flowing through the throttled refrigerant refrigerate and dehumidify.
Referring to fig. 10, the indoor heat exchanger and the outdoor heat exchanger are heat exchanger modules, and the refrigerant flow direction indicated in fig. 11 is used for cooling the indoor heat exchanger, and in addition, the outdoor heat exchanger is used for heating, two heat exchangers 1 on the indoor side are connected in parallel (refrigerant on-way resistance is reduced, refrigerant pressure drop is reduced, heat exchange performance is good), two heat exchangers 1 on the outdoor side are connected in series (refrigerant flow rate is increased, heat exchange coefficient is improved, heat exchange effect is enhanced), and efficient cooling is realized.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (11)
1. A heat exchanger module is characterized by comprising a heat exchange unit,
the number of the heat exchange units is more than two, the heat exchange units are connected through pipelines, a valve body and a throttling device (2) are arranged on the pipelines, the heat exchanger module is used for being connected with the heat exchange units in parallel when refrigerating, and is used for being connected with the heat exchange units in series when heating, and the throttling device (2) is adjusted to be in a throttling state under a heating mode to enable the heat exchanger module to have the heating and dehumidifying functions.
2. The heat exchanger module as claimed in claim 1, characterized in that the heat exchange unit comprises a single heat exchanger (1); or the heat exchange unit comprises more than two heat exchangers (1) which are connected in parallel or in series.
3. The heat exchanger module according to claim 1, characterized in that the heat exchange unit comprises two heat exchangers (1) connected in parallel with each other, and the throttling device (2) is arranged on the pipeline between the two heat exchangers (1).
4. The heat exchanger module as claimed in claim 3, wherein the valve body is a check valve (3), the two heat exchangers (1) are respectively a first heat exchanger and a second heat exchanger, the valve body is arranged on an inlet side of the first heat exchanger and the valve body is arranged on an outlet side of the second heat exchanger with reference to a flow direction of a refrigerant in a refrigeration mode, a serial pipeline is connected between the first heat exchanger and the corresponding valve body and between the second heat exchanger and the corresponding valve body, and the throttling device (2) is arranged on the serial pipeline.
5. A heat exchanger block, characterized in that it comprises two or more heat exchanger modules according to any of claims 1-4.
6. The heat exchanger bank of claim 5, wherein all of the heat exchanger modules are connected in parallel; or all of the heat exchanger modules are connected in series; or more than two heat exchanger modules are connected in series to form a combined heat exchange unit, and the combined heat exchange units are connected in parallel; or more than two combined heat exchange units are connected in parallel to form a combined heat exchange unit, and the combined heat exchange units are connected in series.
7. An air conditioning system comprising a heat exchanger module according to any one of claims 1 to 4 or/and comprising a heat exchanger block according to any one of claims 5 to 6, wherein one of the indoor heat exchanger or the outdoor heat exchanger of the air conditioning system is the heat exchanger module or the heat exchanger block.
8. Air conditioning system according to claim 7, wherein the other of the two indoor or outdoor heat exchangers of the air conditioning system is the heat exchanger module or the heat exchanger group or a single heat exchanger (1).
9. Heat exchanger module according to claim 7, wherein the air conditioning system comprises more than two compressors (4) connected in parallel with each other;
or the outdoor heat exchanger is the heat exchanger group, all the heat exchanger modules in the heat exchanger group are connected in parallel, and at least two parallel pipelines are respectively provided with a compressor (4) or a compressor unit;
or the outdoor heat exchanger is the heat exchanger group, all the combined heat exchange units in the heat exchange group are connected in parallel, and at least two parallel pipelines are respectively provided with a compressor (4) or a compressor unit.
10. Air conditioning system according to claim 7, characterized in that when the outdoor heat exchanger of the air conditioning system is the heat exchanger module or the heat exchanger group, a switching valve (5) replaces a throttling device (2) on the heat exchanger module or the heat exchanger group to form an outdoor heat exchange module.
11. An air conditioner, characterized in that the air conditioner is an indoor unit or an outdoor unit, and the air conditioner comprises the heat exchange unit of any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121591284.8U CN215765707U (en) | 2021-07-13 | 2021-07-13 | Heat exchanger module, heat exchanger group, air conditioning system and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121591284.8U CN215765707U (en) | 2021-07-13 | 2021-07-13 | Heat exchanger module, heat exchanger group, air conditioning system and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215765707U true CN215765707U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121591284.8U Active CN215765707U (en) | 2021-07-13 | 2021-07-13 | Heat exchanger module, heat exchanger group, air conditioning system and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215765707U (en) |
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2021
- 2021-07-13 CN CN202121591284.8U patent/CN215765707U/en active Active
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