CN212386480U - Air conditioning unit and vehicle with same - Google Patents
Air conditioning unit and vehicle with same Download PDFInfo
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- CN212386480U CN212386480U CN202021637914.6U CN202021637914U CN212386480U CN 212386480 U CN212386480 U CN 212386480U CN 202021637914 U CN202021637914 U CN 202021637914U CN 212386480 U CN212386480 U CN 212386480U
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Abstract
The utility model provides an air conditioning unit and have its vehicle, this air conditioning unit includes: the shell is provided with a heat exchange cavity, and the evaporator is arranged in the heat exchange cavity; the air return opening is arranged on the shell and communicated with the heat exchange cavity; the shell is provided with a first side and a second side which are oppositely arranged, the fresh air opening is arranged on the first side of the shell and is communicated with the heat exchange cavity, and the second side of the shell is of a closed structure; and the electrical component is arranged in the shell and positioned on the second side of the shell. Through the technical scheme that this application provided, can solve the poor problem of air conditioning unit barrier propterty among the prior art.
Description
Technical Field
The utility model relates to a refrigeration air conditioner technical field particularly, relates to an air conditioning unit and have its vehicle.
Background
At present, an air conditioning unit is arranged on a railway subway, and the air conditioning unit can be used for ventilating air in a carriage and adjusting the temperature in the carriage. The fresh air inlets are formed in the two sides of the air conditioning unit, and outside air can enter the carriage through the fresh air inlets so as to ventilate the air in the carriage.
In the prior art, the air conditioning unit is internally provided with electrical components, the mode that fresh air ports are arranged on two sides of the air conditioning unit is adopted, external air possibly carries rainwater to enter the air conditioning unit through the fresh air ports, and the electrical components inside the air conditioning unit are damaged.
Therefore, the problem of poor protective performance of the air conditioning unit exists in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air conditioning unit and have its vehicle to solve the poor problem of air conditioning unit barrier propterty among the prior art.
According to an aspect of the utility model provides an air conditioning unit, air conditioning unit includes: the shell is provided with a heat exchange cavity, and the evaporator is arranged in the heat exchange cavity; the air return opening is arranged on the shell and communicated with the heat exchange cavity; the shell is provided with a first side and a second side which are oppositely arranged, the fresh air opening is arranged on the first side of the shell and is communicated with the heat exchange cavity, and the second side of the shell is of a closed structure; and the electrical component is arranged in the shell and positioned on the second side of the shell.
Use the technical scheme of the utility model, set up the fresh air inlet in the first side of casing, and make fresh air inlet and heat transfer chamber intercommunication, set up electrical component in the second side of casing, when utilizing the fresh air inlet to take a breath, because fresh air inlet and electrical component are located the both sides of casing respectively and the second side of casing is enclosed construction, even the air carries impurity such as rainwater and gets into the casing through the fresh air inlet that is located the first side of casing, impurity such as rainwater can not contact the electrical component who is located the second side of casing yet, electrical component can not damaged by impurity such as rainwater, can promote air conditioning unit's barrier propterty.
Further, the air conditioning unit still includes waterproof component, and waterproof component sets up the first side at the casing and corresponds the fresh air inlet setting. Utilize waterproof component can block impurities such as the rainwater that gets into the casing through the fresh air inlet, avoid impurity such as rainwater further to inside the removal of casing to can further promote air conditioning unit's protecting effect.
Further, the waterproof assembly includes: the water baffle is arranged on the bottom wall of the shell, is positioned between the fresh air inlet and the return air inlet and extends along the length direction of the shell; and the drain hole is arranged on the bottom wall of the shell and is positioned between the fresh air port and the water baffle. Adopt above-mentioned structure, utilize the breakwater to block impurity such as rainwater that gets into the casing through the fresh air inlet, avoid impurity such as rainwater to get into in the return air inlet, utilize the wash port can arrange impurity such as rainwater that is blockked down by the breakwater to the external world, avoid impurity such as rainwater to gather between fresh air inlet and return air inlet.
Furthermore, the fresh air opening extends along the length direction of the shell, the return air opening extends along the width direction of the shell, and the length dimension of the fresh air opening is larger than or equal to that of the return air opening. By adopting the structure, the fresh air inlet amount can be ensured under the condition that the fresh air inlet is arranged on one side of the shell, so that the ventilation requirement of the air conditioning unit is met.
Furthermore, the ratio of the length dimension of the fresh air inlet to the length dimension of the return air inlet is 1.06-1.29, so that the proportional relation between the fresh air quantity and the return air quantity can be ensured, and the ventilation requirement of the air conditioning unit can be further met. If the ratio of the length dimension of the fresh air inlet to the length dimension of the return air inlet is less than 1.06, the problem that the air inlet amount at the fresh air inlet is too small exists. If want to promote the intake of fresh air inlet under the prerequisite that does not change the fresh air inlet size, can only promote the rotational speed of installing the fan in fresh air inlet department, so can have the too big problem of noise, and the fan easily takes place to damage. If the ratio of the length dimension of the fresh air inlet to the length dimension of the return air inlet is smaller than 1.29, the size of the fresh air inlet is too large, so that impurities such as rainwater are not conveniently blocked, the sizes of other parts matched with the fresh air inlet can be correspondingly increased, the cost is increased, and waste is caused.
Further, the electric component comprises a frequency converter, the frequency converter is electrically connected with the evaporator, a fan is arranged on the frequency converter, and the fan is arranged corresponding to the air return opening. By adopting the structure, the air entering the heat exchange cavity through the air return opening can be utilized to carry out heat exchange on the frequency converter, so that the frequency converter can be ensured to operate within a normal temperature range. If the temperature of the frequency converter is too high, the problem of capacity reduction of the frequency converter is easy to occur, and the normal work of the compressor is influenced.
Further, the air conditioning unit further comprises a rainwater separator, and the rainwater separator is arranged on the first side of the shell and is positioned on one side, far away from the heat exchange cavity, of the fresh air opening. Utilize rain separator can tentatively block impurity such as external rainwater, avoid impurity such as external rainwater directly to get into in the new trend mouth.
Further, the air conditioning unit comprises two evaporators, the two evaporators are respectively located on two sides of the air return opening, and the extending direction of the evaporators is the same as that of the air return opening. By adopting the structure, the two evaporators can both contact enough air, so that the evaporators are convenient to exchange heat, and the heat exchange effect can be improved.
Further, the air conditioning unit still includes the water collector, and the water collector setting is on the diapire of casing and is located the evaporimeter below. Utilize the water collector can accept the comdenstion water that the evaporimeter heat transfer in-process produced, avoid the comdenstion water to flow other positions, can further promote barrier propterty.
According to another aspect of the utility model, a vehicle is provided, the vehicle includes: a carriage; and the air conditioning unit is positioned above the carriage, an air return opening of the air conditioning unit is communicated with the carriage, and the air conditioning unit is the air conditioning unit. Because this vehicle includes the above-mentioned air conditioning unit that provides, consequently this vehicle can avoid the electrical component in the air conditioning unit equally to be damaged by impurity such as rainwater, can promote device's barrier propterty.
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:
fig. 1 shows a schematic structural diagram of an air conditioning unit provided according to an embodiment of the present invention;
fig. 2 shows an isometric view of an air conditioning unit provided according to an embodiment of the present invention;
fig. 3 shows another isometric view of an air conditioning unit provided in accordance with an embodiment of the present invention;
fig. 4 shows a schematic structural diagram of a first side of an air conditioning unit according to an embodiment of the present invention;
fig. 5 shows another schematic structural diagram of an air conditioning unit according to an embodiment of the present invention.
Wherein the figures include the following reference numerals:
10. a housing; 11. a heat exchange cavity; 20. an evaporator; 30. an air return opening; 40. a fresh air port; 50. an electrical component; 51. a frequency converter; 511. a fan; 60. a waterproof assembly; 61. a water baffle; 62. a drain hole; 70. a rain separator; 80. a water pan; 90. a blower; 100. a compressor; 110. a condenser; a. the length direction of the housing; b. the width direction of the housing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 5, an embodiment of the present invention provides an air conditioning unit, which includes a housing 10, an evaporator 20, a return air inlet 30, a fresh air inlet 40, and an electrical component 50. Wherein, the housing 10 has a heat exchange cavity 11, and the evaporator 20 and the electric component 50 are both disposed in the heat exchange cavity 11. Through all setting up return air inlet 30 and fresh air inlet 40 on casing 10 to all communicate return air inlet 30 and fresh air inlet 40 with heat transfer chamber 11, the usable return air inlet 30 of the air in the carriage circulates to in the heat transfer chamber 11 (the arrow that points to the casing in figure 4 indicates the return air), the usable fresh air inlet 40 of the usable fresh air of external air circulates to in the heat transfer chamber 11 (the arrow in figure 1 indicates the new trend), then the air in the carriage that gets into heat transfer chamber 11 mixes with external air and can exchange heat with evaporimeter 20 and send back the carriage in (the arrow that points to keeping away from the casing in figure 4 indicates the air supply), in order to accomplish the taking a breath in the carriage. Specifically, the casing 10 has a first side and a second side which are oppositely arranged, the fresh air opening 40 is arranged at the first side of the casing 10, the fresh air opening 40 is communicated with the heat exchange cavity 11, the second side of the casing 10 is a closed structure, and the electrical component 50 is arranged in the casing 10 and located at the second side of the casing 10.
Use the air conditioning unit that this embodiment provided, through setting up fresh air inlet 40 in the first side of casing 10, set up electrical component 50 in the second side of casing 10, because fresh air inlet 40 sets up the both sides at the casing with electrical component 50 interval, and the second side of casing 10 is enclosed construction, the rainwater can not get into in the casing through the second side of casing 10, even in the external air carries impurity such as rainwater and gets into in the casing through fresh air inlet 40, impurity such as rainwater can not contact the electrical component 50 who is located the second side of casing 10 yet, electrical component 50 can not damaged by impurity such as rainwater, can promote air conditioning unit's barrier propterty.
As shown in fig. 1 and 2, in the present embodiment, the air conditioning unit further includes a waterproof assembly 60, and the waterproof assembly 60 is disposed on the first side of the housing 10 and corresponds to the fresh air inlet 40. Utilize waterproof component 60 can block impurities such as the rainwater that gets into the casing through fresh air inlet 40, avoid impurities such as rainwater further to inside the removal of casing to can further promote air conditioning unit's protecting effect.
The waterproof assembly comprises but is not limited to parts such as a water baffle, a filter screen, a drain hole and a water pan, and only needs to realize water prevention and water retaining.
As shown in fig. 1 and 2, in the present embodiment, the waterproof assembly 60 includes a water deflector 61 and a water discharge hole 62, and the water deflector 61 and the water discharge hole 62 are both provided on the bottom wall of the housing 10. The water guard 61 is located between the fresh air inlet 40 and the return air inlet 30, the water guard 61 extends along the length direction of the casing 10, and the drain hole 62 is located between the fresh air inlet 40 and the water guard 61. By adopting the structure, impurities such as rainwater entering the shell 10 through the fresh air inlet 40 can be blocked by the water baffle 61, the impurities such as rainwater are prevented from entering the return air inlet 30, the impurities such as rainwater blocked by the water baffle 61 can be discharged to the outside by the drain hole 62, and the impurities such as rainwater are prevented from being gathered between the fresh air inlet 40 and the return air inlet 30.
Specifically, the bottom of the housing 10 is provided with a drainage channel, one end of which is connected to the drainage hole, and the other end of which is communicated with the outside.
Wherein, a plurality of water baffles can be arranged between the fresh air inlet 40 and the return air inlet 30 to further improve the water retaining and waterproof effects. Specifically, a plurality of water baffles may be staggered on the bottom wall of the housing 10. Wherein, the heights of the water baffles can be the same or different. For example, can set up the lower breakwater of a height between the higher breakwater of two heights, so can enough promote the guard effect, can also guarantee the intake of new trend mouth department to reduce cost.
Wherein, a plurality of drain holes can be arranged between the fresh air inlet 40 and the return air inlet 30, and the drain speed can be increased by using the plurality of drain holes to drain water simultaneously.
Specifically, one or more filter screens can be arranged between the fresh air inlet 40 and the return air inlet 30, impurities such as dust are filtered by the filter screens, and the impurities such as dust are prevented from entering the heat exchange cavity 11. Adopt filter screen and breakwater common complex mode, can further promote device's protecting effect.
As shown in fig. 3 and 4, in the present embodiment, the fresh air opening 40 extends along the length direction a of the casing 10, the return air opening 30 extends along the width direction b of the casing 10, and the length dimension of the fresh air opening 40 is equal to or greater than the length dimension of the return air opening 30. By adopting the structure, the fresh air inlet amount can be ensured under the condition that the fresh air inlet 40 is arranged on one side of the shell, so that the ventilation requirement of the air conditioning unit is met. The size of the fresh air opening arranged on the first side of the shell is larger than or equal to the sum of the sizes of the two fresh air openings arranged on the two sides of the shell in the prior art.
Specifically, the ratio of the length dimension of the fresh air inlet 40 to the length dimension of the return air inlet 30 is 1.06 to 1.29, so that the proportional relation between the fresh air volume and the return air volume can be ensured, and the ventilation requirement of the air conditioning unit can be further met. If the ratio of the length dimension of the fresh air inlet 40 to the length dimension of the return air inlet 30 is less than 1.06, the problem of too small air intake at the fresh air inlet exists. If want to promote the intake of fresh air inlet under the prerequisite that does not change the fresh air inlet size, can only promote the rotational speed of installing the fan in fresh air inlet department, so can have the too big problem of noise, and the fan easily takes place to damage. If the ratio of the length dimension of the fresh air inlet 40 to the length dimension of the return air inlet 30 is less than 1.29, the fresh air inlet is too large in size, so that it is inconvenient to block impurities such as rainwater, and the sizes of other components matched with the fresh air inlet are correspondingly increased, which results in increased cost and waste.
As shown in fig. 2 and 3, the electric component 50 includes an inverter 51, the inverter 51 is electrically connected to the evaporator 20, the inverter 51 is provided with a fan 511, and the fan 511 is provided corresponding to the return air inlet 30. With the structure, the frequency converter 51 can be subjected to heat exchange by utilizing the air entering the heat exchange cavity 11 through the air return opening 30, so that the frequency converter 51 can be ensured to operate in a normal temperature range. If the temperature of the inverter 51 is too high, the inverter 51 is prone to have a capacity reduction problem, which affects the normal operation of the compressor.
Specifically, the fan 511 is located at the end of the return air inlet 30, so that the fan 511 blows the return air directly to the inverter, thereby being able to secure the heat dissipation effect.
As shown in fig. 1 and 2, the air conditioning unit further includes a rainwater separator 70, and the rainwater separator 70 is disposed on the first side of the casing 10 and is located on a side of the fresh air opening 40 away from the heat exchange chamber 11. The rainwater separator 70 can be used for preliminarily blocking impurities such as external rainwater, so that the impurities such as the external rainwater are prevented from directly entering the fresh air inlet 40. Specifically, the rain water separator 70 is covered on the outer side of the fresh air opening 40, and the extending direction of the rain water separator 70 is the same as the extending direction of the fresh air opening 40, so that the protection performance can be ensured.
As shown in fig. 1, the air conditioning unit includes two evaporators 20, the two evaporators 20 are respectively located at two sides of the air return opening 30, and the extending direction of the evaporators 20 is the same as the extending direction of the air return opening 30. Adopt above-mentioned structure, two evaporimeters 20 homoenergetic contact the air of sufficient volume, and the evaporimeter 20 of being convenient for carries out the heat transfer, can promote the heat transfer effect.
Specifically, the frequency converter is located between two evaporators, so can make full use of installation space, promote device's integrated level.
As shown in fig. 2, the air conditioning unit further includes a water pan 80, and the water pan 80 is disposed on the bottom wall of the casing 10 and below the evaporator 20. The water pan 80 can receive the condensed water generated in the heat exchange process of the evaporator 20, so that the condensed water is prevented from flowing to other parts, and the protection performance can be further improved.
And an actuator is arranged at the position of the fresh air port of the air conditioning unit. The air conditioning unit provided by the embodiment is only provided with the fresh air inlet, can meet the use requirement by only arranging the fresh air valve and the actuator, and can save the actuator, thereby reducing the cost and the weight of the whole air conditioning unit.
As shown in fig. 1, the air conditioning unit further includes a blower 90, a compressor 100, and a condenser 110.
The utility model discloses another embodiment provides a vehicle, this vehicle includes carriage and air conditioning unit, and air conditioning unit is located the top in carriage, and air conditioning unit's return air inlet 30 and carriage intercommunication, air conditioning unit are the air conditioning unit that the aforesaid provided. Because this vehicle includes the above-mentioned air conditioning unit that provides, consequently this vehicle can avoid the electrical component in the air conditioning unit equally to be damaged by impurity such as rainwater, can promote device's barrier propterty.
Wherein the vehicle comprises a rail subway. Because the air conditioning unit of the railway and subway, especially the part of the air conditioning unit located at the outdoor side, has very high requirement on waterproof grade, the electric parts of the air conditioning unit must exist, and the integral waterproof grade of the electric parts such as the frequency converter is IP21 generally, but the high protection grade in the prior art is also available but expensive. By adopting the air conditioning unit in the embodiment, the cost can be reduced while the requirement on the protection performance is met.
The device provided by the embodiment has the following beneficial effects:
(1) the electrical components are arranged on one side which is completely sealed, the electrical components with low protection level have no risk of rainwater, and the safety and reliability can be improved;
(2) by adopting the structure of a single fresh air port, only one fresh air valve and one actuator are needed to be arranged, so that the cost and the weight of the whole machine can be reduced;
(3) a water baffle is arranged between the return air inlet and the fresh air inlet to prevent rainwater from spreading to the return air inlet, and a drain hole is arranged on the air inlet side of the fresh air inlet to ensure that even a small amount of rainwater enters, the rainwater can be smoothly discharged;
(4) the unilateral fresh air opening is lengthened, the fresh air quantity same as that of the double fresh air openings can be guaranteed, and the ventilation requirement of the air conditioning unit is met.
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.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
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.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
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 (10)
1. An air conditioning assembly, characterized in that it comprises:
a housing (10) having a heat exchange chamber (11),
-an evaporator (20) arranged inside said heat exchange chamber (11);
the air return opening (30) is arranged on the shell (10) and is communicated with the heat exchange cavity (11);
the shell (10) is provided with a first side and a second side which are oppositely arranged, the fresh air opening (40) is arranged on the first side of the shell (10), the fresh air opening (40) is communicated with the heat exchange cavity (11), and the second side of the shell (10) is of a closed structure;
an electrical component (50) disposed within the housing (10) and located on a second side of the housing (10).
2. Air conditioning assembly according to claim 1, characterized in that it further comprises a waterproofing assembly (60), said waterproofing assembly (60) being arranged on a first side of said casing (10) and in correspondence of said fresh air opening (40).
3. Air conditioning assembly according to claim 2, characterized in that said waterproofing assembly (60) comprises:
the water baffle (61) is arranged on the bottom wall of the shell (10), the water baffle (61) is positioned between the fresh air inlet (40) and the return air inlet (30), and the water baffle (61) extends along the length direction of the shell (10);
and the drain hole (62) is arranged on the bottom wall of the shell (10), and the drain hole (62) is positioned between the fresh air opening (40) and the water baffle (61).
4. The air conditioning assembly according to claim 1, wherein the fresh air opening (40) extends along a length direction of the housing (10), the return air opening (30) extends along a width direction of the housing (10), and a length dimension of the fresh air opening (40) is greater than or equal to a length dimension of the return air opening (30).
5. Air conditioning assembly according to claim 4, characterized in that the ratio of the length dimension of the fresh air opening (40) to the length dimension of the return air opening (30) is comprised between 1.06 and 1.29.
6. Air conditioning assembly according to claim 1, wherein the electrical component (50) comprises an inverter (51), the inverter (51) being electrically connected to the evaporator (20), the inverter (51) being provided with a fan (511), the fan (511) being arranged in correspondence with the return air inlet (30).
7. Air conditioning assembly according to claim 1, further comprising a rain water separator (70), said rain water separator (70) being arranged at a first side of said housing (10) and at a side of said fresh air opening (40) remote from said heat exchange chamber (11).
8. Air conditioning assembly according to claim 1, characterized in that it comprises two evaporators (20), the two evaporators (20) being located on either side of the return air opening (30), and the direction of extension of the evaporators (20) being the same as the direction of extension of the return air opening (30).
9. Air conditioning assembly according to claim 1 or 8, characterized in that it further comprises a water pan (80), said water pan (80) being arranged on the bottom wall of said casing (10) and below said evaporator (20).
10. A vehicle, characterized in that the vehicle comprises:
a carriage;
the air conditioning unit is positioned above the carriage, the return air inlet (30) of the air conditioning unit is communicated with the carriage, and the air conditioning unit is the air conditioning unit as claimed in any one of claims 1 to 9.
Priority Applications (1)
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CN202021637914.6U CN212386480U (en) | 2020-08-07 | 2020-08-07 | Air conditioning unit and vehicle with same |
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CN202021637914.6U CN212386480U (en) | 2020-08-07 | 2020-08-07 | Air conditioning unit and vehicle with same |
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CN212386480U true CN212386480U (en) | 2021-01-22 |
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CN202021637914.6U Active CN212386480U (en) | 2020-08-07 | 2020-08-07 | Air conditioning unit and vehicle with same |
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