CN215260066U - Air conditioner indoor unit - Google Patents
Air conditioner indoor unit Download PDFInfo
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- CN215260066U CN215260066U CN202120780047.XU CN202120780047U CN215260066U CN 215260066 U CN215260066 U CN 215260066U CN 202120780047 U CN202120780047 U CN 202120780047U CN 215260066 U CN215260066 U CN 215260066U
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Abstract
The utility model provides an air conditioner indoor unit. The air conditioner indoor unit comprises: a heat exchanger, comprising: the heat exchange body is provided with a first end and a second end which are opposite; a first heat exchange channel extending through said first end and said second end; the second heat exchange channel penetrates through the first end and the second end, and a gap is formed between the second heat exchange channel and the first heat exchange channel; the liquid inlet pipe penetrates through the second heat exchange channel, and the air outlet pipe penetrates through the first heat exchange channel. The utility model provides a problem of noise appears when the super-cooled rate of the intraductal refrigerant of feed liquor leads to the refrigerant to pass through the expansion valve inadequately.
Description
Technical Field
The utility model relates to an air conditioner technical field particularly, relates to an air conditioner internal unit.
Background
At present, an air conditioner indoor unit is provided with a liquid inlet pipe for leading a refrigerant from an outdoor unit to transfer heat energy. One end of the liquid inlet pipe is provided with an expansion valve for throttling the refrigerant. The supercooling degree of the refrigerant before entering the expansion valve is often insufficient, so that the expansion valve generates noise.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem be the noise appears when the super-cooled rate of the intraductal refrigerant of feed liquor leads to the refrigerant to pass through the expansion valve inadequately.
In order to solve the problem, the utility model provides an air conditioner internal unit.
On the one hand, the utility model provides an air conditioner internal unit, include: a heat exchanger, comprising: the heat exchange body is provided with a first end and a second end which are opposite; a first heat exchange channel extending through said first end and said second end; the second heat exchange channel penetrates through the first end and the second end, and a gap is formed between the second heat exchange channel and the first heat exchange channel; the liquid inlet pipe penetrates through the second heat exchange channel, and the air outlet pipe penetrates through the first heat exchange channel.
Compared with the prior art, the technical scheme has the following technical effects: the heat exchanger can exchange heat between the liquid inlet pipe and the gas outlet pipe, and the supercooling degree of a refrigerant in the liquid inlet pipe is improved, so that noise is prevented from occurring when the refrigerant passes through the expansion valve; the liquid inlet pipe and the gas outlet pipe are arranged in parallel, so that the heat exchange effect can be improved, and the size of the heat exchanger is reduced.
In an embodiment of the present invention, the heat exchange body includes: first mounting panel and the second mounting panel of mutually supporting, first heat transfer passageway with second heat transfer passageway presss from both sides and locates first mounting panel with between the second mounting panel.
Compared with the prior art, the technical scheme has the following technical effects: the first mounting panel with the second mounting panel installation mode of mutually supporting is convenient for the heat transfer body install in the feed liquor pipe with carry out the heat transfer on the outlet duct, also convenient to detach the heat transfer body.
In an embodiment of the present invention, a position of the first mounting plate corresponding to the first heat exchanging channel protrudes in a direction away from the second mounting plate; the second mounting plate is protruded towards the direction far away from the first mounting plate corresponding to the position of the first heat exchange channel.
Compared with the prior art, the technical scheme has the following technical effects: the thickness of heat transfer body is greater than at least first heat transfer passageway with the diameter of second heat transfer passageway, first mounting panel adopts convex structure to hold first heat transfer groove, the second mounting panel adopts convex structure to hold the third heat transfer groove, compares not convex structure and can save material.
In an embodiment of the present invention, the first mounting plate is provided with a first heat exchange groove and a second heat exchange groove, and the second mounting plate is provided with a third heat exchange groove and a fourth heat exchange groove; the first heat exchange groove and the third heat exchange groove are matched to form a first heat exchange channel; the second heat exchange groove and the fourth heat exchange groove are matched to form a second heat exchange channel.
Compared with the prior art, the technical scheme has the following technical effects: the first heat exchange channel is divided into the first heat exchange groove and the third heat exchange groove, so that the corresponding air outlet pipe is conveniently arranged in the first heat exchange channel; similarly, the second heat exchange channel is divided into the second heat exchange groove and the fourth heat exchange groove, so that the corresponding liquid inlet pipe can be conveniently installed in the second heat exchange channel.
In an embodiment of the present invention, the first heat exchanging groove, the second heat exchanging groove, the third heat exchanging groove and the fourth heat exchanging groove are all semicircular grooves; the radiuses of the first heat exchange groove and the third heat exchange groove are equal; the radiuses of the second heat exchange groove and the fourth heat exchange groove are equal.
Compared with the prior art, the technical scheme has the following technical effects: the two opposite circular channels formed by the semicircular grooves are convenient to match with the liquid inlet pipe and the gas outlet pipe, so that the liquid inlet pipe and the gas outlet pipe can fully exchange heat with the heat exchange body.
In an embodiment of the present invention, the first heat exchange groove, the second heat exchange groove, the third heat exchange groove and the fourth heat exchange groove are coated with a heat conductive coating.
In an embodiment of the present invention, the first mounting plate and the second mounting plate are circumferentially fixed by a fastener.
Compared with the prior art, the technical scheme has the following technical effects: the first mounting plate and the second mounting plate are fixed through fasteners to be convenient to mount or dismount.
In one embodiment of the present invention, the liquid inlet pipe has an external machine connection end, and the opposite end is connected to an expansion valve; the heat exchanger is positioned between the expansion valve and the external machine connecting end.
Compared with the prior art, the technical scheme has the following technical effects: after the heat exchanger cools the refrigerant in the liquid inlet pipe, the supercooling degree of the refrigerant can be improved, so that the refrigerant is pure liquid after passing through the expansion valve, and noise is avoided.
In an embodiment of the present invention, the liquid inlet pipe and the second heat exchanging channel adopt transition fit, and the gas outlet pipe and the first heat exchanging channel adopt transition fit.
Compared with the prior art, the technical scheme has the following technical effects: the second heat exchange channel is tightly attached to the liquid inlet pipe, and the first heat exchange channel is tightly attached to the gas outlet pipe, so that the heat exchanger has a good heat exchange effect.
In summary, the above embodiments of the present application may have one or more of the following advantages or benefits: i) the heat exchanger can realize heat exchange between the air outlet pipe and the liquid inlet pipe, and improves the supercooling degree of a refrigerant in the liquid inlet pipe, so that the refrigerant is pure liquid after passing through the expansion valve, and noise is not generated; ii) the heat exchange body adopts a connection mode that the first mounting plate and the second mounting plate are matched, so that the heat exchanger is convenient to mount or dismount.
Drawings
Fig. 1 is a schematic structural diagram of an air conditioner internal unit 200 according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the heat exchanger 100 of FIG. 1;
FIG. 3 is an exploded view of the heat exchanger 100 of FIG. 1;
fig. 4 is a schematic view of the connection between the heat exchanger 100 and the inlet pipe 210 and the outlet pipe 220 in fig. 3.
Description of reference numerals:
200-air conditioner indoor unit; 210-a liquid inlet pipe; 211-an outdoor unit connecting end; 220-air outlet pipe; 230-an expansion valve;
100-a heat exchanger; 101-a heat exchange body; 110-a first heat exchange channel; 120-a second heat exchange channel; 130-a first mounting plate; 131-a first heat exchange tank; 132-a second heat exchange tank; 140-a second mounting plate; 141-a third heat exchange tank; 142-fourth heat exchange tank.
Detailed Description
An object of the utility model is to provide an air conditioner indoor unit, air conditioner indoor unit can carry out the heat transfer to outlet duct and feed liquor pipe through the heat exchanger, reduces the outlet duct temperature, improves the super-cooled rate of the intraductal refrigerant of feed liquor, makes the refrigerant be pure liquid behind the expansion valve, thereby solves the problem of noise production when the refrigerant passes through the expansion valve.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
[ first embodiment ] A method for manufacturing a semiconductor device
Referring to fig. 1, an embodiment of the present invention provides an air conditioner internal unit 200, including: a heat exchanger 100; a liquid inlet pipe 210 and a gas outlet pipe 220 arranged in parallel. Wherein, the temperature of the liquid inlet pipe 210 is higher than that of the gas outlet pipe 220, and the heat exchanger 100 can conduct heat, thereby exchanging the heat of the fluid in the liquid inlet pipe 210 and the gas outlet pipe 220.
Specifically, referring to fig. 2, the heat exchanger 100 includes, for example: a heat exchange body 101 provided with a first end and a second end opposite to each other; a first heat exchange channel 110 extending through the first end and the second end; the second heat exchanging channel 120 penetrates the first end and the second end, and is spaced apart from the first heat exchanging channel 110. The liquid inlet pipe 210 passes through the second heat exchange passage 120, and the gas outlet pipe 220 passes through the first heat exchange passage 110.
Preferably, the first heat exchange channel 110 and the second heat exchange channel 120 are cylindrical pipes, so that the first heat exchange channel 110 and the second heat exchange channel 120 can be respectively matched with the gas outlet pipe 220 and the liquid inlet pipe 210, installation gaps are eliminated, and heat exchange efficiency is improved.
Further, the heat exchange body 101 is made of a heat conductive material, such as aluminum or aluminum alloy, so that the heat exchange body 101 can effectively conduct heat of the liquid inlet pipe 210 and the gas outlet pipe 220.
Preferably, referring to fig. 3, the heat exchange body 101 includes, for example: the first and second heat exchange channels 110 and 120 are sandwiched between the first and second mounting plates 130 and 140. The first and second mounting plates 130 and 140 are connected to form the heat exchange body 101, so that the heat exchange body can be conveniently mounted or dismounted on the pipes corresponding to the first and second heat exchange channels 110 and 120.
Further, the first mounting plate 130 is provided with a first heat exchange groove 131 and a second heat exchange groove 132, and the first heat exchange groove 131 and the second heat exchange groove 132 are arranged at intervals; second mounting plate 140 is provided with third heat exchange groove 141 and fourth heat exchange groove 142, and third heat exchange groove 141 and fourth heat exchange groove 142 are provided at an interval. Wherein first heat exchange groove 131 and third heat exchange groove 141 cooperate to form first heat exchange channel 110; second heat exchange slot 132 and fourth heat exchange slot 142 cooperate to form second heat exchange channel 120.
Still further, the first heat exchange groove 131, the second heat exchange groove 132, the third heat exchange groove 141, and the fourth heat exchange groove 142 are all semicircular grooves. Wherein the radii of first heat exchange groove 131 and third heat exchange groove 141 are equal, and the radii of second heat exchange groove 132 and fourth heat exchange groove 142 are equal, so that first heat exchange groove 131 and third heat exchange groove 141 are matched to form a complete cylindrical passage, and second heat exchange groove 132 and fourth heat exchange groove 142 are matched to form a complete cylindrical passage. Compared with the first, second, third and fourth heat exchange grooves 131, 132, 141 and 142 which use arc-shaped grooves less than 180 °, the fitting manner of the semicircular grooves does not cause the first and second mounting plates 130 and 140 to generate mounting gaps, and thus the heat exchange efficiency is higher.
Preferably, heat-conducting coatings such as silicone grease are coated in the first heat exchange groove 131, the second heat exchange groove 132, the third heat exchange groove 141 and the fourth heat exchange groove 142, so that the heat exchange efficiency of the heat exchange body 101 with the liquid inlet pipe 210 and the gas outlet pipe 220 is improved. Of course, other heat-conductive materials may be disposed in first heat-exchanging groove 131, second heat-exchanging groove 132, third heat-exchanging groove 141, and fourth heat-exchanging groove 142.
Preferably, the first heat exchange channels 110 have a larger radius than the second heat exchange channels 120, and accordingly, the first heat exchange channels 110 are adapted to fit larger tubes.
Further, the position of the first mounting plate 130 corresponding to the first heat exchange channel 110 is protruded away from the second mounting plate 140; the second mounting plate 140 is protruded in a direction away from the first mounting plate 130 in correspondence to the position of the first heat exchange channels 110. Compared with the case that the first mounting plate 130 and the second mounting plate 140 are not provided with the protrusions, it is not necessary to satisfy that the thickness of each part of the heat exchanger 100 is greater than that of the first heat exchange channel 110, so that the material can be saved, and the heat exchanger 100 can be more portable when being mounted or dismounted.
Of course, the positions of the first and second mounting plates 130 and 140 corresponding to the second heat exchanging channels 120 may also be protruded to both sides, and will not be described herein.
Preferably, the thickness of the first and second mounting plates 130 and 140 is 5 to 15mm, for example, 10mm, so that the first and second mounting plates 130 and 140 have sufficient strength.
Preferably, the first and second mounting plates 130 and 140 are circumferentially fixed by fasteners, thereby facilitating the mounting or dismounting of the first and second mounting plates 130 and 140 on the inlet pipe 210 and the outlet pipe 220. For example, circular through holes are formed at four corners of the first mounting plate 130, and threaded holes are formed at positions of the second mounting plate 140 corresponding to the circular through holes, that is, two circular through holes and two threaded holes are respectively formed at two sides of the first heat exchanging channel 110, and the circular through holes and the corresponding threaded holes are fixed by screws. Wherein the diameter of the circular through hole is 5mm, for example, and the threaded hole is M4 internal thread.
Of course, the first mounting plate 130 and the second mounting plate 140 may also be connected by a hinge or a snap, for example, between the first end and the second end of the heat exchange body 101, the connection point of any one side of the first mounting plate 130 and the second mounting plate 140 is connected by a hinge, and the opposite side is connected by two screws or a snap.
In another specific embodiment, the first heat exchanging channel 110 and the second heat exchanging channel 120 may also adopt square channels, wherein the width of the square channels matches with the diameter of the corresponding liquid inlet pipe 210 or liquid outlet pipe 220, and the gaps between the first heat exchanging channel 110 and the liquid outlet pipe 220 and the gaps between the second heat exchanging channel 120 and the liquid inlet pipe 210 are filled with flexible heat conducting materials, so as to realize heat conduction.
Preferably, referring to fig. 1 and 4, the liquid inlet pipe 210 has an external machine connection end 211, and the opposite end is connected to the expansion valve 230, and the liquid inlet pipe 210 is used for introducing a refrigerant from an external machine and controlling the flow rate of the refrigerant flowing into the expansion valve 230; the air outlet pipe 220 is used for discharging cold air; the heat exchanger 100 is located between the expansion valve 230 and the outdoor unit connection end 211, and can exchange heat between the air outlet pipe 220 and the liquid inlet pipe 210.
The temperature of the gas outlet pipe 220 is lower than that of the liquid inlet pipe 210, specifically, the temperature of the liquid inlet pipe 210 before entering the expansion valve 230 is about 34 degrees, and the temperature of the gas outlet pipe 220 is about 14 degrees. By means of the characteristic that the temperature of the air outlet pipe 220 is lower than that of the liquid inlet pipe 210, the temperature of the liquid inlet pipe 210 is reduced through heat exchange, the supercooling degree of a refrigerant of the liquid inlet pipe before entering the expansion valve is improved, the refrigerant is pure liquid after passing through the expansion valve 230, and therefore the problem that the expansion valve 230 generates noise is solved.
The diameter of the liquid inlet pipe 210 is smaller than that of the gas outlet pipe 220, the diameter of the second heat exchange channel 120 is smaller than that of the first heat exchange channel 110, correspondingly, the diameter of the gas outlet pipe 220 is matched with that of the first heat exchange channel 110, and the diameter of the liquid inlet pipe 210 is matched with that of the second heat exchange channel 120, so that no gap exists between the gas outlet pipe 220 and the first heat exchange channel 110 and between the liquid inlet pipe 210 and the second heat exchange channel 120, and heat exchange efficiency is improved.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.
Claims (9)
1. An air conditioner indoor unit, characterized by comprising:
heat exchanger (100) comprising:
a heat exchange body (101) provided with a first end and a second end opposite to each other;
a first heat exchange channel (110) extending through the first end and the second end;
a second heat exchange channel (120) extending through the first and second ends and spaced from the first heat exchange channel (110);
the liquid inlet pipe (210) and the gas outlet pipe (220) are arranged in parallel, the liquid inlet pipe (210) penetrates through the second heat exchange channel (120), and the gas outlet pipe (220) penetrates through the first heat exchange channel (110).
2. An indoor unit of an air conditioner according to claim 1, wherein the heat exchange body (101) comprises: a first mounting plate (130) and a second mounting plate (140) cooperating with each other, the first heat exchange channels (110) and the second heat exchange channels (120) being sandwiched between the first mounting plate (130) and the second mounting plate (140).
3. An indoor unit according to claim 2, wherein the first mounting plate (130) protrudes in a direction away from the second mounting plate (140) at a position corresponding to the first heat exchange passage (110);
the second mounting plate (140) protrudes away from the first mounting plate (130) at a position corresponding to the first heat exchange channel (110).
4. An indoor unit according to claim 2, wherein the first mounting plate (130) is provided with a first heat exchange groove (131) and a second heat exchange groove (132), and the second mounting plate (140) is provided with a third heat exchange groove (141) and a fourth heat exchange groove (142);
the first heat exchange groove (131) and the third heat exchange groove (141) are matched to form a first heat exchange channel (110);
the second heat exchange groove (132) and the fourth heat exchange groove (142) cooperate to form a second heat exchange channel (120).
5. An indoor unit according to claim 4, wherein the first heat exchange groove (131), the second heat exchange groove (132), the third heat exchange groove (141) and the fourth heat exchange groove (142) are all semicircular grooves;
the radii of the first heat exchange groove (131) and the third heat exchange groove (141) are equal;
the radii of the second heat exchange groove (132) and the fourth heat exchange groove (142) are equal.
6. An indoor unit according to claim 4, wherein the first heat exchange groove (131), the second heat exchange groove (132), the third heat exchange groove (141) and the fourth heat exchange groove (142) are internally coated with a heat conductive coating.
7. The indoor unit of claim 2, wherein the first mounting plate (130) and the second mounting plate (140) are circumferentially secured by fasteners.
8. The indoor unit of any one of claims 1 to 7, wherein the liquid inlet pipe (210) has an outdoor unit connecting end (211), and the opposite end is connected to an expansion valve (230);
the heat exchanger is located between the expansion valve (230) and the outdoor unit connection end (211).
9. The indoor unit of the air conditioner as claimed in claim 8, wherein the liquid inlet pipe (210) is in transition fit with the second heat exchange channel (120), and the gas outlet pipe (220) is in transition fit with the first heat exchange channel (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120780047.XU CN215260066U (en) | 2021-04-16 | 2021-04-16 | Air conditioner indoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120780047.XU CN215260066U (en) | 2021-04-16 | 2021-04-16 | Air conditioner indoor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215260066U true CN215260066U (en) | 2021-12-21 |
Family
ID=79509144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120780047.XU Active CN215260066U (en) | 2021-04-16 | 2021-04-16 | Air conditioner indoor unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215260066U (en) |
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2021
- 2021-04-16 CN CN202120780047.XU patent/CN215260066U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221021 Address after: 315191 No. 1166 Mingguang North Road, Jiangshan Town, Ningbo, Zhejiang, Yinzhou District Patentee after: NINGBO AUX ELECTRIC Co.,Ltd. Patentee after: AUX AIR CONDITIONING LIMITED BY SHARE Ltd. Address before: 315100 Oakes, No.999, Mingshu Road, Jiangshan Town, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: NINGBO AUX ELECTRIC Co.,Ltd. Patentee before: Ningbo Oxfam intelligent commercial air conditioning manufacturing Co.,Ltd. |