CN221403253U - Cabinet air conditioner - Google Patents
Cabinet air conditioner Download PDFInfo
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- CN221403253U CN221403253U CN202322795318.0U CN202322795318U CN221403253U CN 221403253 U CN221403253 U CN 221403253U CN 202322795318 U CN202322795318 U CN 202322795318U CN 221403253 U CN221403253 U CN 221403253U
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- 238000005192 partition Methods 0.000 claims abstract description 42
- 238000000638 solvent extraction Methods 0.000 abstract 2
- 239000003507 refrigerant Substances 0.000 description 25
- 230000000694 effects Effects 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a cabinet air conditioner, which comprises: the first partition piece is arranged in the exhaust pipe and is used for separating a plurality of first exhaust channels; the second partition piece is arranged between the fresh air pipe and the exhaust pipe and is used for partitioning a plurality of first fresh air channels in the fresh air pipe; the third partition piece is arranged in the fresh air pipe and is positioned at the rear side of the exhaust pipe, the third partition piece is used for partitioning a plurality of second exhaust channels and a plurality of second fresh air channels in the fresh air pipe, the plurality of second exhaust channels are communicated with the plurality of first exhaust channels in a one-to-one correspondence manner, and the plurality of second fresh air channels are communicated with the plurality of first fresh air channels in a one-to-one correspondence manner; the second exhaust channels and the second fresh air channels are circumferentially staggered, so that when the exhaust fan and the fresh air fan work, air flow in the second exhaust channels exchanges heat with air flow in the second fresh air channels. Therefore, the introduced fresh air and exhaust air can exchange heat fully, and the fresh air load is reduced.
Description
Technical Field
The utility model relates to the technical field of air conditioners, in particular to a cabinet air conditioner.
Background
Along with the improvement of people on fresh air requirements, indoor dirty air is discharged while indoor fresh air is introduced, and a better living environment is created. And a large amount of heat is taken away when the indoor air is discharged, and the indoor load is further increased by introducing fresh air, so that the energy consumption of the air conditioner is improved.
In the related art, a part of fresh air conditioners currently suck fresh air and discharge indoor air at the same time; in order to save installation space, two pipelines for fresh air and exhaust air are combined and led to the outside, generally, a concentric-circle pipeline structure is adopted, and the fresh air and the exhaust air are respectively arranged in an inner runner and an outer runner of a concentric circular pipe. Although the mode can solve the heat exchange problem between a part of fresh air and exhaust air, the contact area is not large enough and the heat exchange capacity is not strong only by the heat exchange between the outer wall of the inner circular tube and the outer air flow, so that the energy saving is not facilitated under the condition of insufficient heat exchange.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a cabinet air conditioner, which can fully exchange heat between the introduced fresh air and the exhausted air, pre-cool the fresh air in summer, pre-heat the fresh air in winter, and reduce the load of the fresh air, thereby reducing the energy consumption of the cabinet air conditioner.
The cabinet air conditioner according to the first aspect of the present utility model includes: a body having an upper chamber and a lower chamber located below the upper chamber inside; the main body includes: a housing; the heat exchanger is arranged in the upper chamber; the body further comprises: the first air duct piece is arranged in the lower chamber, outdoor fresh air enters the room through the first air duct piece, a first air inlet and a first air outlet are formed in the first air duct piece, and a fresh air duct is formed between the first air inlet and the first air outlet; the second air duct piece is arranged in the lower chamber, indoor air is discharged from the room through the second air duct piece, a second air inlet and a second air outlet are formed in the second air duct piece, and an air exhaust duct is formed between the second air inlet and the second air outlet; the exhaust fan is arranged in the exhaust air duct to send indoor air outdoors; the fresh air fan is arranged in the fresh air duct to send outdoor air indoors; the cabinet air conditioner further includes: the exhaust pipe is communicated with the second air outlet; the fresh air pipe is communicated with the first air inlet, the fresh air pipe is sleeved on the exhaust pipe, the axis of the fresh air pipe is parallel to the axis of the exhaust pipe, and the length of the exhaust pipe in the exhaust direction is smaller than that of the fresh air pipe; wherein, cabinet air conditioner still includes: the first partition piece is arranged in the exhaust pipe and divides a plurality of first exhaust channels in the exhaust pipe; the second separating piece is arranged between the fresh air pipe and the exhaust pipe and separates a plurality of first fresh air channels in the fresh air pipe; the third partition piece is arranged in the fresh air pipe and is positioned at the rear side of the exhaust pipe, a plurality of second exhaust channels and a plurality of second fresh air channels are separated in the fresh air pipe, the second exhaust channels are communicated with the first exhaust channels in a one-to-one correspondence manner, and the second fresh air channels are communicated with the first fresh air channels in a one-to-one correspondence manner; the second air exhaust channels and the second fresh air channels are circumferentially staggered, so that when the air exhaust fans and the fresh air fans work, air flow in the second air exhaust channels exchanges heat with air flow in the second fresh air channels.
Therefore, the introduced fresh air and exhaust air can exchange heat fully, and the fresh air load is reduced.
In some examples of the utility model, the first separator includes: the exhaust pipe comprises a plurality of first sub-separators, wherein one ends of the first sub-separators are connected and located at the central axis of the exhaust pipe, the other ends of the first sub-separators are connected to the inner wall of the exhaust pipe, and a first exhaust channel is separated between two adjacent first sub-separators.
In some examples of the utility model, the first sub-separator includes: a first deflector; the second guide plate is connected with one side edge of the second guide plate facing the inlet of the exhaust pipe and one side edge of the first guide plate facing the inlet of the exhaust pipe, and the first guide plate and the second guide plate are obliquely arranged and far away from each other in the exhaust direction of the exhaust pipe so as to guide air flow into the adjacent first exhaust channel.
In some examples of the utility model, the first baffle is disposed obliquely to and away from the second baffle in a radially outward direction of the exhaust duct.
In some examples of the utility model, the second separator includes: the novel air duct comprises a plurality of second sub-separators, wherein one ends of the second sub-separators are connected to the inner wall of the novel air duct, the other ends of the second sub-separators are connected to the outer wall of the exhaust duct, the second sub-separators are arranged at intervals in the circumferential direction of the novel air duct, one first novel air channel is separated between every two adjacent second sub-separators, and the second sub-separators are correspondingly positioned on the radial outer side of the first exhaust channel.
In some examples of the utility model, the second sub-separator includes: and one end of the third guide plate is connected to the outer wall of the exhaust pipe, the other end of the third guide plate is connected to the inner wall of the new air pipe, and the third guide plate is gradually close to the exhaust pipe in the exhaust direction of the exhaust pipe so as to guide air flow into the adjacent first new air channel.
In some examples of the utility model, the third separator includes: the plurality of third sub-separators are in a plate shape, one ends of the plurality of third sub-separators are connected and positioned on the axis of the fresh air pipe, the other ends of the plurality of third sub-separators are connected to the inner wall of the fresh air pipe, and one second exhaust channel or one second fresh air channel is separated between every two adjacent third sub-separators.
In some examples of the utility model, the axial dimension of the exhaust duct is less than the axial dimension of the third sub-partition within the fresh air duct; the cross section area of the second fresh air channel is the same as the cross section area of the second exhaust channel.
In some examples of the utility model, the exhaust fan is an axial fan; the fresh air fan is a centrifugal fan.
According to a second aspect of the present utility model, a cabinet air conditioner includes: a body having an upper chamber and a lower chamber located below the upper chamber inside; the main body includes: a housing; the heat exchanger is arranged in the upper chamber; the body further comprises: the first air duct piece is arranged in the lower chamber, outdoor fresh air enters the room through the first air duct piece, a first air inlet and a first air outlet are formed in the first air duct piece, and a fresh air duct is formed between the first air inlet and the first air outlet; the second air duct piece is arranged in the lower chamber, indoor air is discharged from the room through the second air duct piece, a second air inlet and a second air outlet are formed in the second air duct piece, and an air exhaust duct is formed between the second air inlet and the second air outlet; the exhaust fan is arranged in the exhaust air duct to send indoor air outdoors; the fresh air fan is arranged in the fresh air duct to send outdoor air indoors; the cabinet air conditioner further includes: the exhaust pipe is communicated with the second air outlet; the fresh air pipe is communicated with the first air inlet, the fresh air pipe is sleeved on the exhaust pipe, the central axis of the fresh air pipe is collinear with the central axis of the exhaust pipe, and the length of the exhaust pipe in the exhaust direction is smaller than that of the fresh air pipe; the fresh air duct is internally divided into a plurality of air exhaust channels and a plurality of fresh air channels, the air exhaust duct is communicated with the plurality of air exhaust channels to exhaust air flow of the air exhaust air duct, and the plurality of fresh air channels are communicated with the fresh air duct to guide the air flow of the fresh air channel in; the air exhaust channels and the fresh air channels are distributed in a staggered mode in the circumferential direction, so that when the air exhaust fan and the fresh air fan work, air flow in the air exhaust channels exchanges heat with air flow in the fresh air channels.
Therefore, the introduced fresh air and exhaust air can exchange heat fully, and the fresh air load is reduced.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
Fig. 1 is a partial schematic structure of a cabinet air conditioner according to an embodiment of the present utility model;
fig. 2 is a schematic view of another partial structure of a cabinet air conditioner according to an embodiment of the present utility model;
Fig. 3 is a schematic view of still another partial structure of a cabinet air conditioner according to an embodiment of the present utility model;
Fig. 4 is a partial structural side view of a cabinet air conditioner according to an embodiment of the present utility model;
Fig. 5 is a partial structural front view of a cabinet air conditioner according to an embodiment of the present utility model;
Fig. 6 is a front view of still another partial structure of a cabinet air conditioner according to an embodiment of the present utility model;
FIG. 7 is a front view of a cabinet air conditioner at a fresh air duct and an exhaust duct according to an embodiment of the present utility model;
FIG. 8 is a schematic view showing the structure of a fresh air duct and an exhaust duct of a cabinet air conditioner according to an embodiment of the present utility model;
fig. 9 is a schematic view showing another structure of a fresh air duct and an exhaust duct of a cabinet air conditioner according to an embodiment of the present utility model;
fig. 10 is a schematic view of structures at a first partition and a second partition of a cabinet air conditioner according to an embodiment of the present utility model;
Fig. 11 is a schematic view of a structure at a third partition of a cabinet air conditioner according to an embodiment of the present utility model;
fig. 12 is another structural schematic view at a third partition of a cabinet air conditioner according to an embodiment of the present utility model.
Reference numerals:
100. A cabinet air conditioner;
10. A lower chamber; 11. a housing;
20. A first air duct member; 21. a first air inlet; 22. a first air outlet; 23. fresh air duct;
24. A fresh air fan; 25. a new air pipe;
30. A second air duct member; 31. a second air inlet; 32. a second air outlet; 33. an exhaust air duct; 34. an exhaust fan; 35. an exhaust pipe;
40. A first partition; 41. a first sub-separator; 411. a first deflector; 412. a second deflector; 413. a first exhaust passage;
50. A second separator; 51. a second sub-separator; 511. a third deflector; 512. a first fresh air channel;
60. A third partition; 61. the second fresh air channel; 62. a second exhaust passage; 63. and a third sub-separator.
Detailed Description
Embodiments of the present utility model will be described in detail below, with reference to the accompanying drawings, which are exemplary.
The cabinet air conditioner 100 according to the embodiment of the present utility model, which can sufficiently exchange heat between the introduced fresh air and the exhausted air, can pre-cool the fresh air in summer, and can pre-heat the fresh air in winter, reduces the fresh air load, thereby reducing the energy consumption of the cabinet air conditioner 100, will be described below with reference to fig. 1 to 12.
The cabinet air conditioner 100 includes an indoor unit and an outdoor unit connected through a pipe to transmit a refrigerant, the indoor unit including an indoor heat exchanger and an indoor fan. The outdoor unit includes a compressor, a four-way valve, an outdoor heat exchanger, an outdoor fan and an expansion valve, wherein the compressor, the outdoor heat exchanger, the expansion valve and the indoor heat exchanger are sequentially connected to form a refrigerant loop, the refrigerant circularly flows in the refrigerant loop, and the refrigerant exchanges heat with air through the outdoor heat exchanger and the indoor heat exchanger respectively, so that a refrigerating mode or a heating mode of the cabinet air conditioner 100 is realized.
The compressor is configured to compress a refrigerant such that a low-pressure refrigerant is compressed to form a high-pressure refrigerant.
The outdoor heat exchanger is configured to exchange heat between the outdoor air and the refrigerant transferred in the outdoor heat exchanger, for example, the outdoor heat exchanger operates as a condenser in a cooling mode of the cabinet air conditioner 100 such that the refrigerant compressed by the compressor radiates heat to the outdoor air through the outdoor heat exchanger to be condensed. The outdoor heat exchanger operates as an evaporator in the heating mode of the cabinet air conditioner 100 such that the decompressed refrigerant is evaporated by the outdoor heat exchanger absorbing heat of the outdoor air.
In some embodiments, the outdoor heat exchanger further includes heat exchanging fins to expand a contact area between the outdoor air and the refrigerant transferred in the outdoor heat exchanger, thereby improving heat exchange efficiency between the outdoor air and the refrigerant.
The outdoor fan is configured to suck outdoor air into the outdoor unit through an outdoor air inlet of the outdoor unit and to send out the outdoor air after heat exchange with the outdoor heat exchanger through an outdoor air outlet of the outdoor unit. The outdoor fan provides power for the flow of outdoor air.
The expansion valve is connected between the outdoor heat exchanger and the indoor heat exchanger, and the opening degree of the expansion valve is used for adjusting the pressure of the refrigerant flowing through the outdoor heat exchanger and the indoor heat exchanger so as to adjust the flow of the refrigerant flowing between the outdoor heat exchanger and the indoor heat exchanger. The flow rate and pressure of the refrigerant flowing between the outdoor heat exchanger and the indoor heat exchanger will affect the heat exchange performance of the outdoor heat exchanger and the indoor heat exchanger, and the expansion valve may be an electronic valve, and the opening degree of the expansion valve may be adjustable to control the flow rate and pressure of the refrigerant flowing through the expansion valve.
The four-way valve is connected to the refrigerant circuit, and the four-way valve is configured to switch the flow direction of the refrigerant in the refrigerant circuit so as to make the cabinet air conditioner 100 execute a cooling mode or a heating mode.
The indoor heat exchanger is configured to exchange heat between indoor air and a refrigerant transferred in the indoor heat exchanger, for example, the indoor heat exchanger operates as an evaporator in a cooling mode of the cabinet air conditioner 100 such that the refrigerant radiated via the outdoor heat exchanger absorbs heat of the indoor air to evaporate through the indoor heat exchanger. The indoor heat exchanger operates as a condenser in the heating mode of the cabinet air conditioner 100 such that the refrigerant having absorbed heat through the outdoor heat exchanger emits heat to indoor air through the indoor heat exchanger to be condensed.
In some embodiments, the indoor heat exchanger further includes heat exchange fins to expand a contact area between the indoor air and the refrigerant transferred in the indoor heat exchanger, thereby improving heat exchange efficiency between the indoor air and the refrigerant.
The indoor fan is configured to suck indoor air into the indoor unit through the third air inlet of the indoor unit and send out indoor air subjected to heat exchange with the indoor heat exchanger through the fourth air outlet of the indoor unit. The indoor fan provides power for the flow of indoor air.
The cabinet air conditioner 100 further includes a control device for controlling the operating frequency of the compressor, the opening degree of the expansion valve, the rotational speed of the outdoor fan and the rotational speed of the indoor fan. The control device is connected with the compressor, the expansion valve, the outdoor fan and the indoor fan through data lines to transmit communication information.
The control device includes a processor, which may include a central processing unit (central processing unit, CPU), a microprocessor, an Application SPECIFIC INTEGRATED Circuit (ASIC), and may be configured to perform the respective operations described in the control device when the processor executes a program stored in a non-transitory computer readable medium coupled to the control device. The non-transitory computer readable storage medium may include a magnetic storage device (e.g., hard disk, floppy disk, or magnetic tape), a smart card, or a flash memory device (e.g., an erasable programmable read-only memory (EPROM)), a card, a stick, or a keyboard drive.
As shown in fig. 1 to 12, the cabinet air conditioner 100 according to the first aspect of the present utility model includes a main body having an upper chamber and a lower chamber 10 located below the upper chamber inside, so that the cabinet air conditioner 100 can be divided into upper and lower chambers, the upper chamber (not shown) and the lower chamber 10 can each serve to accommodate and install, and other corresponding components in the cabinet air conditioner 100 can be installed in the upper chamber and the lower chamber 10, thereby enabling a reasonable division of the spatial arrangement of the related structures.
The main part includes casing 11 and heat exchanger, and the heat exchanger sets up in the upper chamber. The cabinet 11 may protect its internal structure and form the overall external structure of the cabinet air conditioner 100, and the heat exchanger is the heat exchanger described above. The heat exchanger is arranged in the upper chamber, so that the heat exchanger can be separated from the lower chamber 10, and the heat exchanger plays a role in heat exchange in the upper chamber and can exchange heat for indoor air.
The main body further comprises a first air duct piece 20, the first air duct piece 20 is arranged in the lower chamber 10, outdoor fresh air enters the room through the first air duct piece 20, a first air inlet 21 and a first air outlet 22 are formed in the first air duct piece 20, and a fresh air duct 23 is formed between the first air inlet 21 and the first air outlet 22. The main body further includes a second air duct member 30, the second air duct member 30 is disposed in the lower chamber 10, indoor air is exhausted from the room through the second air duct member 30, a second air inlet 31 and a second air outlet 32 are formed in the second air duct member 30, and an air exhaust duct 33 is formed between the second air inlet 31 and the second air outlet 32. That is, the first duct member 20 serves to deliver outdoor air to the indoor, and the second duct member 30 serves to deliver indoor air to the outdoor. That is, the first duct member 20 and the second duct member 30 cooperate together to supply fresh air from the outside into the room and to discharge dirty air from the room into the outside, thereby enabling the room air to be updated more effectively.
The first air duct piece 20 is a structural member through which air flows, and the first air duct piece 20 is arranged in the lower chamber 10, so that the arrangement of the first air duct piece 20 is more reasonable, the interference with the heat exchange of the upper chamber can be avoided, and the first air duct piece 20 can better play a role in the air flow.
The first air inlet 21 mainly plays a role in air inlet, the first air outlet 22 mainly plays a role in air outlet, and the fresh air channel 23 can play a role in guiding air circulation. Specifically, the outdoor fresh air is introduced into the first duct member 20 through the first air inlet 21, and then the fresh air is introduced into the room through the first air outlet 22 along the fresh air duct 23, so that the introduction of the outdoor fresh air can be realized.
Similarly, the second air duct member 30 is also a structural member through which air flows, and the second air duct member 30 is arranged in the lower chamber 10, so that the arrangement of the second air duct member 30 is more reasonable, the interference with the heat exchange of the upper chamber can be avoided, and the second air duct member 30 can better play a role in air flow through.
The second air inlet 31 mainly plays a role in air inlet, the second air outlet 32 mainly plays a role in air outlet, and the air exhaust duct 33 can play a role in guiding air circulation. Specifically, indoor contaminated air enters the second duct member 30 through the second air inlet 31, and then the contaminated air is discharged to the outside from the second air outlet 32 along the air discharge duct 33, so that the discharge of indoor contaminated air can be realized.
The main body further includes an exhaust fan 34, and the exhaust fan 34 is disposed in the exhaust duct 33 to send indoor air to the outside. The arrangement is more reasonable, when the exhaust fan 34 works, the exhaust fan 34 can suck indoor polluted air into the exhaust air duct 33, and then the indoor polluted air is discharged to the outside from the exhaust air duct 33, so that the indoor polluted air can be discharged.
The main body further comprises a fresh air fan 24, and the fresh air fan 24 is arranged in the fresh air duct 23 to send outdoor air into a room. The arrangement is more reasonable, when the fresh air fan 24 works, the fresh air fan 24 can suck outdoor fresh air into the fresh air duct 23, and then the outdoor fresh air is released into the room from the fresh air duct 23, so that the introduction of the outdoor fresh air can be realized.
The cabinet air conditioner 100 further includes an exhaust duct 35, and the exhaust duct 35 communicates with the second air outlet 32. The exhaust duct 35 is a structural member through which the air flows. The exhaust duct 35 may provide a circulation path for the indoor contaminated air to smoothly flow out from the exhaust duct 33 to the second air outlet 32, thereby functioning as an auxiliary path for exhausting the contaminated air outdoors.
The cabinet air conditioner 100 further includes a fresh air duct 25, the fresh air duct 25 is communicated with the first air inlet 21, and the fresh air duct 25 is sleeved on the air exhaust duct 35, so that the axis of the fresh air duct 25 is parallel to the axis of the air exhaust duct 35, and the length of the air exhaust duct 35 in the air exhaust direction is smaller than the length of the fresh air duct 25. The fresh air duct 25 is a structural member through which air flows. The fresh air duct 25 can provide a circulation channel for fresh air outside the room to smoothly enter the fresh air duct 23 from the first air inlet 21, thereby serving as an auxiliary channel for introducing fresh air inside the room.
The new air pipe 25 is sleeved on the exhaust pipe 35. Therefore, the fresh air pipe 25 and the exhaust pipe 35 are arranged coaxially to cause the fresh air flow passing through the fresh air pipe 25 and the exhaust air flow passing through the exhaust pipe 35 to flow in parallel, so that the fresh air pipe 25 is led in with fresh air, and meanwhile, the exhaust pipe 35 is not interfered to exhaust dirty air, the effect that the exhaust air flow is parallel to the fresh air flow can be achieved without air channel switching, and the loss of wind pressure in the working process of the fresh air fan 24 and the exhaust fan 34 is reduced. For example, the fresh air duct 25 and the exhaust duct 35 are configured as a layered (different radius) concentric circular tube.
In addition, the new air pipe 25 is sleeved on the exhaust pipe 35 to realize the parallel effect of the new air pipe 25 and the exhaust pipe 35, and parallel air flows can directly utilize the new air pipe 25 and the exhaust pipe 35 to enable air flows with different heat quantities to be conveyed in a layered manner through one sleeve, and fresh air exchanges heat with exhaust air in the flowing process, so that fresh air load can be reduced.
The cabinet air conditioner 100 further includes a first partition 40, wherein the first partition 40 is disposed in the exhaust duct 35 and partitions a plurality of first exhaust passages 413 in the exhaust duct 35. Wherein the first partition 40 partitions the plurality of first exhaust passages 413 in the radial direction within the exhaust duct 35, so that the number of exhaust passages can be increased.
The cabinet air conditioner 100 further includes a second partition 50, wherein the second partition 50 is disposed between the fresh air duct 25 and the exhaust duct 35 and partitions a plurality of first fresh air passages 512 in the fresh air duct 25. Wherein the second partition 50 partitions the plurality of first fresh air passages 512 in the radial direction between the fresh air duct 25 and the exhaust duct 35, so that the number of fresh air passages can be increased.
The cabinet air conditioner 100 further includes a third partition 60, where the third partition 60 is disposed in the fresh air duct 25 and located at the rear side of the exhaust duct 35, and the third partition 60 partitions the fresh air duct 25 into a plurality of second exhaust channels 62 and a plurality of second fresh air channels 61. The third partition 60 located in the fresh air duct 25 and at the rear side of the exhaust duct 35 partitions the plurality of second exhaust passages 62 and the plurality of second fresh air passages 61 in the radial direction, so that it can correspond to the first exhaust passage 413 and the first fresh air passage 512, thereby forming the exhaust passage and the fresh air passage entirely penetrating each other.
The plurality of second air exhaust channels 62 are communicated with the plurality of first air exhaust channels 413 in a one-to-one correspondence manner, the plurality of second fresh air channels 61 are communicated with the plurality of first fresh air channels 512 in a one-to-one correspondence manner, the plurality of second air exhaust channels 62 and the plurality of second fresh air channels 61 are circumferentially staggered, and when the air exhaust fan 34 and the fresh air fan 24 work, air flow in the second air exhaust channels 62 exchanges heat with air flow in the second fresh air channels 61. In this way, the exhaust air from the first exhaust air channel 413 flows to the second exhaust air channel 62 corresponding to the rear section in the fresh air pipe 25 until the air is outdoor, the fresh air in the second fresh air channel 61 flows to the first fresh air channel 512 corresponding to the rear section in the fresh air pipe 25 until the air is indoor, and the fresh air in the second fresh air channel 61 and the exhaust air in the second exhaust air channel 62 are alternately distributed at the rear side of the exhaust air pipe 35 because the second exhaust air channels 62 and the second fresh air channels 61 are circumferentially staggered, compared with the heat exchange between the outer wall of the exhaust air pipe and the outdoor fresh air which is only the inner side, the heat exchange contact area between the outdoor fresh air and the indoor exhaust air can be increased, the heat carried by the indoor exhaust air can be effectively utilized to pre-exchange the outdoor fresh air, the pre-cooling of the fresh air can be realized in summer, the fresh air preheating can be realized in winter, the fresh air load can be reduced, and the energy consumption of the cabinet air conditioner 100 can be further reduced.
Therefore, the introduced fresh air and exhaust air can exchange heat fully, and the fresh air load is reduced.
According to some alternative embodiments of the present utility model, as shown in conjunction with fig. 8 and 10, the first separator 40 includes: the first sub-separators 41 are connected at one ends of the first sub-separators 41 and located at the central axis of the exhaust duct 35, the other ends of the first sub-separators 41 are connected to the inner wall of the exhaust duct 35, and a first exhaust passage 413 is separated between two adjacent first sub-separators 41.
Specifically, the plurality of first sub-separators 41 extend radially outwards from the central axis of the exhaust duct 35 to the inner wall of the exhaust duct 35, so that the difference in the sizes of the first sub-separators 41 can be reduced, the processing standardization of the first sub-separators 41 is facilitated, and the manufacturing cost is reduced. The first sub-separators 41 can form a blocking separation effect on the air flow in the exhaust duct 35, and a first exhaust passage 413 is separated between two adjacent first sub-separators 41, so that the space position of the first exhaust passage 413 can be separated according to arrangement requirements.
In detail, as shown in conjunction with fig. 8 and 10, the first sub-separator 41 includes: the first deflector 411 and the second deflector 412 are connected to a side edge of the second deflector 412 facing the inlet of the exhaust duct 35 and a side edge of the first deflector 411 facing the inlet of the exhaust duct 35, and the first deflector 411 and the second deflector 412 are disposed obliquely and away from each other in the exhaust direction of the exhaust duct 35 to guide the air flow into the adjacent first exhaust passage 413.
Wherein, the first baffle 411 and the second baffle 412 are connected to each other along one end of the exhaust direction deviating from the exhaust pipe 35, and the other end of the first baffle 411 and the second baffle 412 along the exhaust direction in the exhaust pipe 35 is a trend of being far away from each other, so that the frontal resistance of the indoor exhaust when encountering the first sub-separator 41 can be reduced, the indoor exhaust is conveniently and smoothly guided into the first exhaust channel 413 adjacent to the first sub-separator 41 along the inclined plane formed by the first baffle 411 and the second baffle 412, thereby improving the exhaust efficiency of the indoor exhaust in the exhaust pipe 35.
Further, as shown in fig. 8 and 10, in the radially outward direction of the exhaust duct 35, the first baffle 411 is disposed obliquely toward the one side edge of the outlet of the exhaust duct 35 and the second baffle 411 is disposed obliquely toward the one side edge of the outlet of the exhaust duct 35 and away from each other.
Wherein, one ends of the first deflector 411 and the second deflector 412 in the radial direction close to the inner wall of the exhaust duct 35 are gradually far away, and the first deflector 411 and the second deflector 412 are outwards unfolded in the radial direction at the central axis of the exhaust duct 35, so that the profile of the inner wall of the exhaust duct 35 can be more matched, thereby improving the arrangement rationality and scientificity thereof; the frontal resistance of the indoor exhaust air when encountering the first sub-partition 41 can be further reduced, so that the indoor exhaust air is smoothly guided into the first exhaust air passage 413 adjacent to the first sub-partition 41 along the inclined plane formed by the first guide plate 411 and the second guide plate 412, thereby improving the exhaust efficiency of the indoor exhaust air in the exhaust duct 35.
According to some alternative embodiments of the present utility model, as shown in connection with fig. 10, the second separator 50 includes: the second sub-separators 51 are disposed at intervals in the circumferential direction of the fresh air duct 25, a first fresh air channel 512 is separated between two adjacent second sub-separators 51, and the second sub-separators 51 are correspondingly located radially outside the first air exhaust channel 413.
Specifically, the two ends of the plurality of second sub-separators 51 in the radial direction are respectively connected with the outer wall of the exhaust duct 35 and the inner wall of the fresh air duct 25, so that the first sub-separators 41 can form a blocking separation effect on the fresh air flow in the fresh air duct 25 sleeved on the exhaust duct 35, and can also form a supporting connection effect between the fresh air duct 25 and the exhaust duct 35, thereby improving the structural strength of the fresh air duct 25 and the exhaust duct 35.
In detail, the plurality of second sub-separators 51 are disposed at intervals in the circumferential direction of the fresh air duct 25, one first fresh air duct 512 is partitioned between two adjacent second sub-separators 51, and the second sub-separators 51 are correspondingly located radially outside the first air discharge duct 413. Wherein, two adjacent second sub-separators 51 which are arranged at intervals in the circumferential direction of the fresh air duct 25 are separated by a first fresh air channel 512, so that the space position of the first fresh air channel 512 can be separated according to the arrangement requirement.
In addition, the second sub-separator 51 is correspondingly located at the radial outer side of the first air exhaust channel 413, so that the first fresh air channel 512 and the first air exhaust channel 413 can achieve the effects of being mutually staggered and independent in the circumferential direction, and accordingly the heat exchange contact area of the outdoor fresh air and the indoor fresh air can be increased while the outdoor fresh air is normally introduced and the indoor fresh air is normally discharged, the fresh air load is further reduced, and the energy consumption of the cabinet air conditioner 100 is reduced.
Specifically, as shown in fig. 10, the second sub-separator 51 includes a third baffle 511, one end of the third baffle 511 is connected to the outer wall of the exhaust duct 35 and the other end is connected to the inner wall of the fresh air duct 25, and in the exhaust direction of the exhaust duct 35, the third baffle 511 gradually approaches the exhaust duct 35 to guide the air flow into the adjacent first fresh air channel 512.
Wherein, the two ends of the third deflector 511 are respectively connected with the outer wall of the exhaust pipe 35 and the inner wall of the fresh air pipe 25, so that the structural strength of the fresh air pipe 25 and the exhaust pipe 35 can be increased; and the third deflector 511 gradually approaches the exhaust duct 35 along the exhaust direction, so that a more stable inclined support can be formed between the fresh air duct 25 and the exhaust duct 35, and the heat exchange contact area between the outdoor fresh air blocked by the third deflector 511 and the indoor exhaust air can be reduced, so that the ineffective loss of indoor exhaust air heat is reduced, and the heat exchange efficiency of the indoor exhaust air and the fresh air outside the inner chamber of the first fresh air channel 512 is improved.
According to some alternative embodiments of the present utility model, as shown in fig. 10, the third partition 60 includes a plurality of third sub-partitions 63, the plurality of third sub-partitions 63 are configured in a plate shape, one ends of the plurality of third sub-partitions 63 are connected to each other and located on the axis of the fresh air duct 25, and the other ends are connected to the inner wall of the fresh air duct 25, and one second exhaust passage 62 or one second fresh air passage 61 is partitioned between two adjacent third sub-partitions 63.
Specifically, the third sub-separator 63 is configured in a plate shape having a small volume and a large surface area, and thus can also act on the rear end of the fresh air duct 25 without blocking excessive air flow. Wherein a second air exhaust channel 62 or a fresh air channel is separated between two adjacent third sub-separators 63, so that the space position of the second air exhaust channel 62 or the second fresh air channel 61 can be separated according to the arrangement requirement.
According to some alternative embodiments of the present utility model, as shown in connection with FIG. 11, the axial dimension of the exhaust duct 35 is smaller than the axial dimension of the third sub-divider 63 within the fresh air duct 25. Specifically, the axial dimension of the third sub-separator 63 in the fresh air duct 25 is greater than the axial dimension of the exhaust duct 35, so that the first exhaust passage 413 in the exhaust duct 35 is communicated with the second exhaust passage 62 at the rear section of the exhaust duct 35, and the first fresh air passage 512 in the fresh air duct 25 is communicated with the second fresh air passage 61 at the rear section of the exhaust duct 35, so that the second fresh air passages 61 and the second exhaust passages 62 alternately formed in the circumferential direction in the fresh air duct 25 and at the rear section of the exhaust duct 35 are formed, thereby increasing the heat exchange contact area of the fresh air and exhaust air, and reducing the fresh air load.
According to some alternative embodiments of the present utility model, the cross-sectional area of the second fresh air channel 61 is the same as the cross-sectional area of the second exhaust channel 62. Specifically, the second fresh air passage 61 and the second air discharge passage 62 are formed alternately with each other in the circumferential direction in the fresh air duct 25 and at the rear section of the air discharge duct 35, and the sectional area of the second fresh air passage 61 is the same as that of the second air discharge passage 62, so that the fresh air in the second fresh air passage 61 and the air discharge heat exchange in the second air discharge passage 62 can be made more uniform, thereby better reducing the fresh air load.
According to some alternative embodiments of the present utility model, the exhaust fan 34 is an axial flow fan. Under the drive of the motor, the impeller rotates, indoor air enters the impeller along the axial direction from the second air inlet 31, the air inlet side pressure of the exhaust fan 34 is reduced due to the pushing of blades on the impeller, the air outlet side pressure is increased, a pressure difference is formed, and indoor air flows towards the second air outlet 32 along the axial direction of the impeller under the action of the pressure difference, so that the indoor dirty air is sent outdoors.
According to some alternative embodiments of the present utility model, the fresh air fan 24 is a centrifugal fan. Under the drive of the motor, the impeller rotates, indoor air enters the impeller from the first air inlet 21 along the axial direction, the air inlet side pressure of the exhaust fan 34 is reduced due to the pushing of blades on the impeller, the air outlet side pressure is increased, a pressure difference is formed, and the indoor air flows towards the first air outlet 22 along the radial direction of the impeller under the action of the pressure difference, so that the effect of delivering outdoor fresh air into a room is achieved. In addition, on the premise of realizing coaxial driving of the fresh air fan 24 and the exhaust fan 34, the fresh air can flexibly change the position of the fresh air duct 23 by combining the position of the first air outlet 22 of the whole machine by utilizing the advantage of high pressure head of the centrifugal fan.
The cabinet air conditioner 100 according to the embodiment of the second aspect of the present utility model includes a main body having an upper chamber and a lower chamber 10 located below the upper chamber inside. The main body comprises a shell 11, a heat exchanger, a first air channel piece 20, a second air channel piece 30, an exhaust fan 34 and a fresh air fan 24, wherein the heat exchanger is arranged in an upper chamber, the first air channel piece 20 is arranged in a lower chamber 10, outdoor fresh air enters the room through the first air channel piece 20, a first air inlet 21 and a first air outlet 22 are formed on the first air channel piece 20, a fresh air channel 23 is formed between the first air inlet 21 and the first air outlet 22, the second air channel piece 30 is arranged in the lower chamber 10, indoor air is discharged from the room through the second air channel piece 30, a second air inlet 31 and a second air outlet 32 are formed on the second air channel piece 30, an exhaust air channel 33 is formed between the second air inlet 31 and the second air outlet 32, the exhaust fan 34 is arranged in the exhaust air channel 33 so as to send indoor air to the outside, and the fan 24 is arranged in the fresh air channel 23 so as to send outdoor air to the room; the cabinet air conditioner 100 further comprises an exhaust pipe 35 and a fresh air pipe 25, wherein the exhaust pipe 35 is communicated with the second air outlet 32, the fresh air pipe 25 is communicated with the first air inlet 21, the fresh air pipe 25 is sleeved on the exhaust pipe 35, the central axis of the fresh air pipe 25 is collinear with the central axis of the exhaust pipe 35, and the length of the exhaust pipe 35 in the exhaust direction is smaller than the length of the fresh air pipe 25; wherein, the fresh air pipe 25 is internally divided into a plurality of exhaust channels and a plurality of fresh air channels, the exhaust pipe 35 is communicated with the plurality of exhaust channels to exhaust the air flow of the exhaust air duct 33, and the plurality of fresh air channels are communicated with the fresh air duct 23 to guide the air flow of the fresh air channels; the plurality of exhaust channels and the plurality of fresh air channels are staggered in the circumferential direction so that when the exhaust fan 34 and the fresh air fan 24 are operated, the air flow in the exhaust channels exchanges heat with the air flow in the fresh air channels.
Therefore, the introduced fresh air and exhaust air can exchange heat fully, and the fresh air load is reduced.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A cabinet air conditioner, comprising:
A body having an upper chamber and a lower chamber located below the upper chamber inside;
The main body includes:
a housing;
The heat exchanger is arranged in the upper chamber;
characterized in that the body further comprises:
The first air duct piece is arranged in the lower chamber, outdoor fresh air enters the room through the first air duct piece, a first air inlet and a first air outlet are formed in the first air duct piece, and a fresh air duct is formed between the first air inlet and the first air outlet;
The second air duct piece is arranged in the lower chamber, indoor air is discharged from the room through the second air duct piece, a second air inlet and a second air outlet are formed in the second air duct piece, and an air exhaust duct is formed between the second air inlet and the second air outlet;
The exhaust fan is arranged in the exhaust air duct to send indoor air outdoors;
The fresh air fan is arranged in the fresh air duct to send outdoor air indoors;
the cabinet air conditioner further includes:
the exhaust pipe is communicated with the second air outlet;
The fresh air pipe is communicated with the first air inlet, the fresh air pipe is sleeved on the exhaust pipe, the axis of the fresh air pipe is parallel to the axis of the exhaust pipe, and the length of the exhaust pipe in the exhaust direction is smaller than that of the fresh air pipe;
Wherein,
The cabinet air conditioner further includes:
The first partition piece is arranged in the exhaust pipe and divides a plurality of first exhaust channels in the exhaust pipe;
The second separating piece is arranged between the fresh air pipe and the exhaust pipe and separates a plurality of first fresh air channels in the fresh air pipe;
The third partition piece is arranged in the fresh air pipe and is positioned at the rear side of the exhaust pipe, a plurality of second exhaust channels and a plurality of second fresh air channels are separated in the fresh air pipe, the second exhaust channels are communicated with the first exhaust channels in a one-to-one correspondence manner, and the second fresh air channels are communicated with the first fresh air channels in a one-to-one correspondence manner;
The second air exhaust channels and the second fresh air channels are circumferentially staggered, so that when the air exhaust fans and the fresh air fans work, air flow in the second air exhaust channels exchanges heat with air flow in the second fresh air channels.
2. The cabinet air conditioner according to claim 1, wherein the first partition includes:
The exhaust pipe comprises a plurality of first sub-separators, wherein one ends of the first sub-separators are connected and located at the central axis of the exhaust pipe, the other ends of the first sub-separators are connected to the inner wall of the exhaust pipe, and a first exhaust channel is separated between two adjacent first sub-separators.
3. The cabinet air conditioner according to claim 2, wherein the first sub-dividing body includes:
A first deflector;
The second guide plate is connected with one side edge of the second guide plate facing the inlet of the exhaust pipe and one side edge of the first guide plate facing the inlet of the exhaust pipe, and the first guide plate and the second guide plate are obliquely arranged and far away from each other in the exhaust direction of the exhaust pipe so as to guide air flow into the adjacent first exhaust channel.
4. A cabinet air conditioner according to claim 3, wherein in a radially outward direction of the exhaust duct, a side edge of the first baffle toward the outlet of the exhaust duct and a side edge of the second baffle toward the outlet of the exhaust duct are disposed obliquely and away from each other.
5. The cabinet air conditioner according to claim 1, wherein the second partition includes:
The novel air duct comprises a plurality of second sub-separators, wherein one ends of the second sub-separators are connected to the inner wall of the novel air duct, the other ends of the second sub-separators are connected to the outer wall of the exhaust duct, the second sub-separators are arranged at intervals in the circumferential direction of the novel air duct, one first novel air channel is separated between every two adjacent second sub-separators, and the second sub-separators are correspondingly positioned on the radial outer side of the first exhaust channel.
6. The cabinet air conditioner according to claim 5, wherein the second sub-dividing body includes:
And one end of the third guide plate is connected to the outer wall of the exhaust pipe, the other end of the third guide plate is connected to the inner wall of the new air pipe, and the third guide plate is gradually close to the exhaust pipe in the exhaust direction of the exhaust pipe so as to guide air flow into the adjacent first new air channel.
7. The cabinet air conditioner according to claim 1, wherein the third partition includes:
The plurality of third sub-separators are in a plate shape, one ends of the plurality of third sub-separators are connected and positioned on the axis of the fresh air pipe, the other ends of the plurality of third sub-separators are connected to the inner wall of the fresh air pipe, and one second exhaust channel or one second fresh air channel is separated between every two adjacent third sub-separators.
8. The cabinet air conditioner according to claim 7, wherein an axial dimension of the discharge duct is smaller than an axial dimension of the third sub-partition in the fresh air duct; and/or
The cross section area of the second fresh air channel is the same as the cross section area of the second exhaust channel.
9. The cabinet air conditioner according to claim 1, wherein the exhaust fan is an axial flow fan and the fresh air fan is a centrifugal fan.
10. A cabinet air conditioner, comprising:
A body having an upper chamber and a lower chamber located below the upper chamber inside;
The main body includes:
a housing;
The heat exchanger is arranged in the upper chamber;
characterized in that the body further comprises:
The first air duct piece is arranged in the lower chamber, outdoor fresh air enters the room through the first air duct piece, a first air inlet and a first air outlet are formed in the first air duct piece, and a fresh air duct is formed between the first air inlet and the first air outlet;
The second air duct piece is arranged in the lower chamber, indoor air is discharged from the room through the second air duct piece, a second air inlet and a second air outlet are formed in the second air duct piece, and an air exhaust duct is formed between the second air inlet and the second air outlet;
The exhaust fan is arranged in the exhaust air duct to send indoor air outdoors;
The fresh air fan is arranged in the fresh air duct to send outdoor air indoors;
the cabinet air conditioner further includes:
the exhaust pipe is communicated with the second air outlet;
The fresh air pipe is communicated with the first air inlet, the fresh air pipe is sleeved on the exhaust pipe, the central axis of the fresh air pipe is collinear with the central axis of the exhaust pipe, and the length of the exhaust pipe in the exhaust direction is smaller than that of the fresh air pipe;
Wherein,
The fresh air pipe is internally divided into a plurality of exhaust channels and a plurality of fresh air channels, the exhaust pipe is communicated with the plurality of exhaust channels so as to exhaust the air flow of the exhaust air channel, and the plurality of fresh air channels are communicated with the fresh air channel so as to guide the air flow of the fresh air channel; the air exhaust channels and the fresh air channels are distributed in a staggered mode in the circumferential direction, so that when the air exhaust fan and the fresh air fan work, air flow in the air exhaust channels exchanges heat with air flow in the fresh air channels.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322795318.0U CN221403253U (en) | 2023-10-18 | 2023-10-18 | Cabinet air conditioner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322795318.0U CN221403253U (en) | 2023-10-18 | 2023-10-18 | Cabinet air conditioner |
Publications (1)
Publication Number | Publication Date |
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CN221403253U true CN221403253U (en) | 2024-07-23 |
Family
ID=91943939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202322795318.0U Active CN221403253U (en) | 2023-10-18 | 2023-10-18 | Cabinet air conditioner |
Country Status (1)
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CN (1) | CN221403253U (en) |
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2023
- 2023-10-18 CN CN202322795318.0U patent/CN221403253U/en active Active
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