CN209655455U - Indoor unit - Google Patents
Indoor unit Download PDFInfo
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- CN209655455U CN209655455U CN201920182028.XU CN201920182028U CN209655455U CN 209655455 U CN209655455 U CN 209655455U CN 201920182028 U CN201920182028 U CN 201920182028U CN 209655455 U CN209655455 U CN 209655455U
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- heat exchanger
- cooling fin
- indoor unit
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- heat
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Abstract
The utility model discloses a kind of indoor units, indoor unit, including blower and heat exchanger, the heat exchanger includes heat exchanger tube and cooling fin, and through-hole is offered on the cooling fin, and the cooling fin is set on the heat exchanger tube by the through-hole, the heat exchanger tube is provided with inlet end and an outlet end, the heat exchanger monnolithic case is cylindrical, and has first port and second port, and the blower is located on the axis direction of the heat exchanger.Indoor unit heat exchange efficiency is improved by cylindric radiator.
Description
Technical field
The utility model relates to refrigeration technology field, especially a kind of indoor unit.
Background technique
Refrigeration or heating are substantially all and use indoor unit, and heat exchanger is an important component of indoor unit, heat exchange
Device is the energy-saving equipment that heat transfer between material is realized between a kind of fluid at two or more different temperatures, is to make heat
Amount passes to the lower fluid of temperature by the higher fluid of temperature, so that fluid temperature (F.T.) is reached the index of flow specification, to meet people
Needs.
And heat exchange efficiency is not high in existing indoor unit, is all linear if traditional air conditioner fin covers copper pipe heat exchanger
Shape, L shape, U-shape, air are skimmed over by fin outer surface, and heat-exchange working medium flows in pipe.The wherein heat exchanger of rectilinear form,
Surface is largely straight windward, and occupied space volume is big, so heat exchange material rate is lower.
Summary of the invention
The purpose of this utility model is that the shortcomings that improving the prior art, provides a kind of indoor unit, indoor unit heat exchange is improved
Efficiency.
Its technical solution is as follows:
Indoor unit, including blower and heat exchanger, the heat exchanger include heat exchanger tube and cooling fin, are opened up on the cooling fin
There is through-hole, the cooling fin is set on the heat exchanger tube by the through-hole, and the heat exchanger tube is provided with input end and outlet
End, the heat exchanger monnolithic case is cylindrical, and has first port and second port, and the blower is located at the heat exchanger
Axis direction on.
The heat exchanger tube for being arranged with the cooling fin helically crimps.
It further include ventilating duct, the ventilating duct is mounted in the second port, and the assembling is in the wind-guiding
In cylinder.
It further include sealing plate, the sealing plate is mounted in the first port, and the size of the sealing plate is greater than described first
The diameter of port.
The cooling fin is provided with raised face at the through-hole edge, and the medial surface of the raised face is interior with the through-hole
Side is concordant or concaves towards the medial surface of the through-hole.
The medial surface of the raised face is in contact with the heat exchange pipe outer wall, the raised face towards the cooling fin one
Side is prominent, and in cross-sectional direction, the cooling fin is clamped on the heat exchanger tube two sides, and cooling fin described in either side is in
" L " type.
The input end and the outlet end are arranged at the inside of the heat exchanger.
The distance of the adjacent heat exchanger tube is pipe away from ruler of the cooling fin on the heat exchanger axis direction
Very little is span, and the pipe is away from 0.8 to 1.2 times for the span；The diameter of the heat exchanger is the height of the heat exchanger
0.3 to 3 times；The heat exchanger diameter is 30 to 70 times of the heat exchanger tube diameter.
The input end is located at the side of the first port, and the outlet end is located at the side of the second port.
Indoor unit application method, includes the following steps,
First heat-exchange working medium enters heat exchanger from input end, around spiral helicine heat exchanger tube, flows to outlet end；
Blower starting, forms negative pressure inside heat exchanger, drive air from the outside of cylindrical heat exchanger side wall inwardly
Flowing；
Air is contacted when entering the inside of cylindric heat exchanger with heat exchanger tube and cooling fin, is exchanged heat, is passed through after heat exchange
Cross blower blowout.
It should be understood that
Aforementioned " first, second, third ... " does not represent specific quantity and sequence, is only used for the area to title
Point.
First port, second port are the opening of end two of ring type heat exchanger.
The advantages of below to the utility model or principle are illustrated:
1, blower is installed on cylindric heat exchanger, forms indoor unit, cooling fin is set on heat exchanger tube, and shape is circle
Tubular heat exchanger, the first heat-exchange working medium enter from the input end of heat exchanger tube, then come out from outlet end, and air exchanges heat from ring-type
The outside of device is internally flowed, and air touches cooling fin, and carries out heat exchange on a heat sink, and cricoid heat exchanger can
So that air enters inside ring type heat exchanger from all directions, uniform flow distribution, so heat exchange efficiency increases, and the wind
Machine is mounted on the axis direction of ring type heat exchanger, and in air blast, air is internally moved from the outside of ring type heat exchanger, and
It is intended to axis, cold air or heating then is discharged using blower, so that indoor unit is smaller in identical heat exchange area lower volume.
2, heat exchanger tube helically crimps, and forms cylindric heat exchanger, can increase the flowing of the first heat-exchange working medium away from
From the time of heat exchange is longer, it is possible to sufficiently heat exchange.
3, ventilating duct is installed in the second port of ring type heat exchanger, the air that blower can be driven passes through ventilating duct
Blowout is played and is collected and guiding role.
4, sealing plate is installed in the first port of ring type heat exchanger, and the size of sealing plate is greater than the straight of first port
Diameter, so sealing plate blocks first port, therefore most of air enters inside, air and heat dissipation from the side wall of cyclic annular heat exchanger tube
The ratio of piece contact greatly increases, so be effectively increased heat exchange efficiency, but also indoor unit to the first heat-exchange working medium
Utilization rate improves.
5, cooling fin is provided with raised face at through-hole edge, and the medial surface of raised face is concordant with the medial surface of the through-hole
Or the medial surface of the through-hole is concaved towards, so that cooling fin, which is set on heat exchanger tube, can form clamping, be conducive to the steady of cooling fin
Fixed and positioning.
6, the medial surface of raised face is in contact with heat exchange pipe outer wall, so that the contact area between cooling fin and heat exchanger tube increases
Greatly, heat exchange rate can effectively be increased, raised face is only prominent towards heat exchanger fin side, so upper more convenient in processing,
And cross section is rendered as " L " type, so that the distance between multi-disc heat exchanger fin is the height of raised face, is effectively controlled heat dissipation
The spacing of piece.
7, inlet end and an outlet end is arranged inside, so more convenient when connecing extraneous pipeline, there is no obstruction, shadows
Ring installation.
8, pipe is away from being 0.8 to 1.2 times of span, it is ensured that be not overlapped between cooling fin, can small part overlapping, control dissipates
The distance between backing guarantees space when air flowing, to control the efficiency of heat exchange；In addition, the diameter of ring type heat exchanger
It is 0.3 to 3 times of height, controls in proper ratio, be conducive to exchange heat, if diameter is more too small than height value, will lead in heat exchanger tube
The first heat-exchange working medium reduced in end heat exchange efficiency, if diameter is more excessive than height value, cause the first heat-exchange working medium also inabundant
Circular heat exchanger is just flowed out in heat exchange；Ring type heat exchanger diameter is 30 to 70 times of heat exchanger tube diameter, passes through the big of control pipe heat pipe
The small size with ring type heat exchanger diameter increases heat exchange efficiency to realize desired value.
9, input end is located at first port, and outlet end is located in second port, and blower is located in second port, and first
When heat-exchange working medium enters heat exchanger, the flow velocity that the air of this position flows not second port is big, but in the first heat-exchange working medium
It is maximum with the temperature difference of air when having just enter into heat exchanger, the small problem of air velocity is compensated for, so that heat transfer rate increases；
When the first heat-exchange working medium constantly exchanges heat close to outlet end, it is lower with the temperature difference of air, but due to close blower, so empty
Gas velocity is big, and compensates for the low problem of temperature difference, so heat exchange rate is improved, to make the entire heat exchange of indoor unit be
The efficiency of system improves.
Detailed description of the invention
Fig. 1 is the utility model embodiment indoor unit main view；
Fig. 2 is the top view of the utility model embodiment heat exchanger；
Fig. 3 is the left view of the utility model embodiment heat exchanger；
Fig. 4 is the top view of the utility model embodiment cooling fin；
Fig. 5 is the utility model embodiment heat exchanger tube and cooling fin fit structure schematic diagram.
Description of symbols:
10, heat exchanger tube；11, input end；12, outlet end；20, cooling fin；21, through-hole；22, raised face；30, first end
Mouthful；40, second port；50, blower；60, ventilating duct；70, sealing plate.
Specific embodiment
The embodiments of the present invention are described in detail below.
As shown in Fig. 1 to 5, indoor unit, including blower 50 and heat exchanger, the heat exchanger include heat exchanger tube 10 and cooling fin
20, through-hole 21 is offered on the cooling fin 20, the cooling fin 20 is set on the heat exchanger tube 10 by the through-hole 21,
The heat exchanger tube 10 is provided with input end 11 and outlet end 12, and the heat exchanger monnolithic case is cylindrical, and has first end
Mouth 30 and second port 40, the blower 50 are located on the axis direction of the heat exchanger.And it is arranged with the cooling fin 20
The heat exchanger tube 10 helically crimp.Indoor unit further includes ventilating duct 60 and sealing plate 70, and the ventilating duct 60 is mounted on institute
It states in second port 40, and the blower 50 is mounted in the ventilating duct 60, the sealing plate 70 is mounted on the first port
On 30, and the size of the sealing plate 70 is greater than the diameter of the first port 30.
As shown in Figure 4 and Figure 5, the cooling fin 20 is provided with raised face 22, the raised face at 21 edge of through-hole
22 medial surface is concordant with the medial surface of the through-hole 21 or concaves towards the medial surface of the through-hole 21.The inside of the raised face 22
Face is in contact with 10 outer wall of heat exchanger tube, and the raised face 22 is prominent towards the side of the cooling fin 20, cross-sectional direction
On, the cooling fin 20 is clamped on 10 two sides of heat exchanger tube, and cooling fin 20 described in either side is L-shaped, passes through
The spacing of cooling fin 20 is fixed in the limit of " L " type.
The input end 11 and the outlet end 12 are arranged at the inside of the heat exchanger, the adjacent heat exchanger tube 10
It is span that distance, which is pipe away from, size of the cooling fin 20 on the heat exchanger axis direction, and the pipe is away from for institute
0.8 to 1.2 times for stating span；The diameter of the heat exchanger is 0.3 to 3 times of the height of the heat exchanger；The heat exchanger is straight
Diameter is 30 to 70 times of 10 diameter of heat exchanger tube.
As shown in Figure 1, the input end 11 is located at the side of the first port 30, the outlet end 12 is located at described the
The side of Two-port netwerk 40.
Indoor unit application method, includes the following steps,
First heat-exchange working medium enters heat exchanger from input end 11 and flows to outlet end 12 around spiral helicine heat exchanger tube 10；
Blower 50 starts, and negative pressure is formed inside heat exchanger, drives the outside of air from cylindrical heat exchanger side wall inside
Side flowing；
Air is contacted when entering the inside of cylindric heat exchanger with heat exchanger tube 10 and cooling fin 20, is exchanged heat, and is exchanged heat
It is blown out afterwards by blower 50.
The advantages of the present embodiment:
1, blower 50 is installed on cylindric heat exchanger, forms indoor unit, cooling fin 20 is set on heat exchanger tube 10, outside
Shape is cylindric heat exchanger, and the first heat-exchange working medium enters from the input end 11 of heat exchanger tube 10, then comes out from outlet end 12, empty
Gas is internally flowed from the outside of ring type heat exchanger, and air touches cooling fin 20, and heat exchange is carried out on cooling fin 20, and
And cricoid heat exchanger can be such that air enters inside ring type heat exchanger from all directions, uniform flow distribution, so heat exchange
Efficiency increases, and the blower 50 is mounted on the axis direction of ring type heat exchanger, and in air blast, air is from ring type heat exchanger
Outside internally move, and be intended to axis, cold air or heating then be discharged using blower 50, so that indoor unit is identical
Heat exchange area lower volume is smaller.
2, heat exchanger tube 10 helically crimps, and forms cylindric heat exchanger, can increase the flowing of the first heat-exchange working medium
The time of distance, heat exchange is longer, it is possible to sufficiently heat exchange.
3, ventilating duct 60 is installed in the second port of ring type heat exchanger 40, the air that blower 50 drives can be passed through
Ventilating duct 60 is blown out, and is played and is collected and guiding role.
4, sealing plate 70 is installed in the first port of ring type heat exchanger 30, and the size of sealing plate 70 is greater than first port
30 diameter, so sealing plate 70 blocks first port 30, therefore in most of air enters from the side wall of cyclic annular heat exchanger tube 10
The ratio that portion, air and cooling fin 20 contact greatly increases, so heat exchange efficiency is effectively increased, but also pair of indoor unit
The utilization rate of first heat-exchange working medium improves.
5, cooling fin 20 is provided with raised face 22, and the medial surface of raised face 22 and the through-hole 21 at 21 edge of through-hole
Medial surface is concordant or concaves towards the medial surface of the through-hole 21, so that cooling fin 20, which is set on heat exchanger tube 10, can form clamping,
Be conducive to the stabilization and positioning of cooling fin 20.
6, the medial surface of raised face 22 is in contact with 10 outer wall of heat exchanger tube, so that connecing between cooling fin 20 and heat exchanger tube 10
Contacting surface product increases, and can effectively increase heat exchange rate, raised face 22 is only prominent towards heat exchanger fin side, so in processing
It is more convenient, and cross section is rendered as " L " type, so that the distance between multi-disc heat exchanger fin is the height of raised face 22, effectively
The spacing for controlling cooling fin 20.
7, input end 11 and outlet end 12 are arranged inside, so more convenient when connecing extraneous pipeline, there is no resistances
Hinder, influences to install.
8, pipe is away from being 0.8 to 1.2 times of span, it is ensured that be not overlapped between cooling fin 20, can small part overlapping, control
The distance between cooling fin 20 guarantees space when air flowing, to control the efficiency of heat exchange；In addition, ring type heat exchanger
Diameter is 0.3 to 3 times of height, controls in proper ratio, is conducive to exchange heat, if diameter is more too small than height value, will lead to heat exchange
The first heat-exchange working medium in pipe 10 is reduced in end heat exchange efficiency, if diameter is more excessive than height value, leads to the first heat-exchange working medium also
Sufficiently circular heat exchanger is not just flowed out in heat exchange；Ring type heat exchanger diameter is 30 to 70 times of 10 diameter of heat exchanger tube, is managed by control
The size of heat pipe and the size of ring type heat exchanger diameter increase heat exchange efficiency to realize desired value.
9, input end 11 is located at first port 30, and outlet end 12 is located in second port 40, and blower 50 is located at second
On port 40, when the first heat-exchange working medium enters heat exchanger, the flow velocity that the air of this position flows no second port 40 is big, but
It is maximum with the temperature difference of air when the first heat-exchange working medium has just enter into heat exchanger, the small problem of air velocity is compensated for, so that
Heat transfer rate increases；When the first heat-exchange working medium constantly exchanges heat close to outlet end 12, it is lower with the temperature difference of air, but due to
Close to blower 50, so air velocity is big, and compensates for the low problem of temperature difference, so heat exchange rate is improved, to make
The efficiency of the entire heat-exchange system of indoor unit improves.
The above are only specific embodiments of the present invention, does not limit the protection scope of the utility model with this；Not
It violates made any replacement on the basis of the utility model is conceived and improves, the category protection scope of the utility model.
Claims (9)
1. indoor unit, which is characterized in that including blower and heat exchanger, the heat exchanger includes heat exchanger tube and cooling fin, described to dissipate
Through-hole is offered on backing, the cooling fin is set on the heat exchanger tube by the through-hole, the heat exchanger tube be provided with into
Mouth end and outlet end, the heat exchanger monnolithic case is cylindrical, and has first port and second port, and the blower is located at
On the axis direction of the heat exchanger.
2. indoor unit as described in claim 1, which is characterized in that the heat exchanger tube for being arranged with the cooling fin is helically rolled up
It is bent.
3. indoor unit as described in claim 1, which is characterized in that further include ventilating duct, the ventilating duct is mounted on described second
On port, and the assembling is in the ventilating duct.
4. indoor unit as claimed in claim 3, which is characterized in that further include sealing plate, the sealing plate is mounted on the first port
On, and the size of the sealing plate is greater than the diameter of the first port.
5. the indoor unit as described in any one of Claims 1-4, which is characterized in that the cooling fin is arranged at the through-hole edge
There is raised face, the medial surface of the raised face is concordant with the medial surface of the through-hole or concaves towards the medial surface of the through-hole.
6. indoor unit as claimed in claim 5, which is characterized in that the medial surface of the raised face connects with the heat exchange pipe outer wall
Touching, the raised face is prominent towards the side of the cooling fin, and in cross-sectional direction, the cooling fin is clamped in the heat exchange
On pipe two sides, and cooling fin described in either side is L-shaped.
7. the indoor unit as described in any one of Claims 1-4, which is characterized in that the input end and the outlet end are respectively provided with
In the inside of the heat exchanger.
8. indoor unit as claimed in claim 7, which is characterized in that the distance of the adjacent heat exchanger tube is pipe away from described
Size of the cooling fin on the heat exchanger axis direction is span, and the pipe is away from 0.8 to 1.2 times for the span；It is described
The diameter of heat exchanger is 0.3 to 3 times of the height of the heat exchanger；The heat exchanger diameter be the heat exchanger tube diameter 30 to
70 times.
9. the indoor unit as described in any one of Claims 1-4, which is characterized in that the input end is located at the first port
Side, the outlet end are located at the side of the second port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920182028.XU CN209655455U (en) | 2019-01-31 | 2019-01-31 | Indoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920182028.XU CN209655455U (en) | 2019-01-31 | 2019-01-31 | Indoor unit |
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| Publication Number | Publication Date |
|---|---|
| CN209655455U true CN209655455U (en) | 2019-11-19 |
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ID=68523892
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920182028.XU Active CN209655455U (en) | 2019-01-31 | 2019-01-31 | Indoor unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812874A (en) * | 2019-01-31 | 2019-05-28 | 苏宇贵 | Indoor unit and its application method |
-
2019
- 2019-01-31 CN CN201920182028.XU patent/CN209655455U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812874A (en) * | 2019-01-31 | 2019-05-28 | 苏宇贵 | Indoor unit and its application method |
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