CN206320965U - Vapour-liquid screen pack, heat exchanger and air-conditioner - Google Patents
Vapour-liquid screen pack, heat exchanger and air-conditioner Download PDFInfo
- Publication number
- CN206320965U CN206320965U CN201621176949.8U CN201621176949U CN206320965U CN 206320965 U CN206320965 U CN 206320965U CN 201621176949 U CN201621176949 U CN 201621176949U CN 206320965 U CN206320965 U CN 206320965U
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- area
- screen pack
- vapour
- liquid
- liquid screen
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- Withdrawn - After Issue
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- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
The utility model discloses a kind of vapour-liquid screen pack, heat exchanger and air-conditioner.The vapour-liquid screen pack includes the first area (1) positioned at middle part and the second area (2) positioned at first area (1) the week side of boss, and the thickness of second area (2) is more than the thickness of first area (1).According to vapour-liquid screen pack of the present utility model, the refrigerant flowing that can flow through screen pack is more uniform, it is ensured that the gas-liquid separation efficiency of filter screen, improves the gas-liquid separation effect of filter screen.
Description
Technical field
The utility model is related to air-conditioning technique field, in particular to a kind of vapour-liquid screen pack, heat exchanger and sky
Adjust device.
Background technology
Vapour-liquid screen pack plays gas liquid separating function in flooded evaporator, and its operation principle includes hitting inertia point
From, sieving actoion, suction-operated, vapour-liquid screen pack is intended to prevent compressor in unit operation the problem of absorbing gas belt liquid, improves
The safety in operation of compressor.Fig. 1 and Fig. 2 is the refrigerant fluidal texture schematic diagram of existing heat exchanger, and the heat exchanger includes shell
Body 1 ', vapour-liquid screen pack 2 ', liquid barrier 3 ' and escaping pipe 4 ', the filter structure of the heat exchanger is slab construction, and filter screen is uniform
Arrangement.When refrigerant is too fast by filter screen flow velocity, pressure drop is larger, and because the drop that inertia is taken away is more；When refrigerant passes through filter screen
Flow velocity it is excessively slow when, the drop passed through by diffusion motion is more, can also influence the gas-liquid separation effect of gas-liquid separator.Therefore
Existing filter screen often has that refrigerant flowing is uneven, have impact on the gas-liquid separation efficiency of filter screen, reduces the gas of filter screen
Liquid separating effect.
Utility model content
A kind of vapour-liquid screen pack, heat exchanger and air-conditioner are provided in the utility model embodiment, can be made through screen pack
Refrigerant flowing is more uniform, it is ensured that the gas-liquid separation efficiency of filter screen, improves the gas-liquid separation effect of filter screen.
To achieve the above object, the utility model embodiment provides a kind of vapour-liquid screen pack, including first positioned at middle part
Region and the second area positioned at first area the week side of boss, the thickness of second area are more than the thickness of first area.
Preferably, meeting 1/2B≤A ＜ B between the area A of first area and the area B of second area.
Preferably, first area and second area include multiple filtration net, the screen pack number of plies of second area is more than
The screen pack number of plies of first area.
Preferably, the screen pack number of plies of first area is more than or equal to the 1/3 of the screen pack number of plies of second area.
Preferably, vapour-liquid screen pack includes frame and the reinforcement that is arranged in frame, screen pack be filled in frame and
In the framework that reinforcement is formed.
Preferably, first area and second area are flat panel filter net, first area is located in second area, and the
Two regions are flushed with the bottom surface of first area.
Preferably, first area, which is protruded from the middle of second area setting, second area, has connecting hole, first area
The week side of boss is fixedly connected with the week side of boss of connecting hole.
Preferably, first area and second area are flat panel filter net, first area protrudes from second area, first
The outer circumferential side in region and the connecting hole the week side of boss of second area, which are fixed, to be stitched together.
Screen pack is protruded preferably, first area is arc, second area is flat panel filter net, arc protrusion screen pack
Outer circumferential side be fixedly connected on flat panel filter net connecting hole the week side of boss.
Preferably, first area is to protrude screen pack, second along the taper that the direction section away from second area is successively decreased
Region is flat panel filter net, and the outer circumferential side of taper protrusion screen pack is fixedly connected on the week side of boss of the connecting hole of flat panel filter net.
Preferably, being welded together between each side plate of taper protrusion screen pack.
According to another aspect of the present utility model, there is provided a kind of heat exchanger, including housing and vapour-liquid screen pack, the vapour-liquid
Screen pack is above-mentioned vapour-liquid screen pack, and vapour-liquid screen pack is arranged in housing.
According to another further aspect of the present utility model, there is provided a kind of heat exchanger, including housing, liquid barrier and vapour-liquid filtering
Net, lid vapour-liquid screen pack is above-mentioned vapour-liquid screen pack, and vapour-liquid screen pack is arranged in housing, the first area of vapour-liquid screen pack
Towards liquid barrier protrusion.
According to another further aspect of the present utility model there is provided a kind of air-conditioner, including heat exchanger, the heat exchanger is above-mentioned
Heat exchanger.
Using the technical solution of the utility model, vapour-liquid screen pack is included positioned at the first area at middle part and positioned at described the
The second area of one region the week side of boss, the thickness of the second area is more than the thickness of the first area.Due to being flowed in refrigerant
During, the refrigerant flow rate below the first area at middle part is slower, and be located at the refrigerant of the second area of neighboring area
Flow velocity is very fast, therefore can reduce filter screen thickness flowing slow region by increasing filter screen thickness in the big region of flow strength
So that two parts flow region is adjusted to different thickness according to the flowing velocity of refrigerant, high-speed region filter screen is enhanced
Separating power, while promote fluid to be flowed to low-speed region, enhances the adsorption capacity of low-speed region filter screen, and can make through
The refrigerant flowing of screen pack is more uniform, reduces the pressure drop in refrigerant flowing, it is ensured that the gas-liquid separation efficiency of filter screen, improves filter screen
Gas-liquid separation effect.
Brief description of the drawings
Fig. 1 is the structural representation of heat exchanger of the prior art；
Fig. 2 is the cross section structure schematic diagram of heat exchanger of the prior art
Fig. 3 is the refrigerant flow rate distributed architecture figure inside heat exchanger of the prior art；
Fig. 4 is the refrigerant flow rate distributed architecture figure in heat exchanger cross-wise direction of the prior art；
Fig. 5 is the structural representation of the vapour-liquid screen pack of the utility model first embodiment；
Fig. 6 is the present invention looks up structural representation of the vapour-liquid screen pack of the utility model first embodiment；
Fig. 7 is the structural representation of the vapour-liquid screen pack of the utility model second embodiment；
Fig. 8 is the present invention looks up structural representation of the vapour-liquid screen pack of the utility model second embodiment；
Fig. 9 is the structural representation of the vapour-liquid screen pack of the utility model 3rd embodiment；
Figure 10 is the present invention looks up structural representation of the vapour-liquid screen pack of the utility model 3rd embodiment；
Figure 11 is the structural representation of the vapour-liquid screen pack of the utility model fourth embodiment；
Figure 12 is the present invention looks up structural representation of the vapour-liquid screen pack of the utility model fourth embodiment；
Figure 13 is the circuit theory schematic diagram of the vapour-liquid screen pack of the utility model embodiment；
Figure 14 is the dimensional structure diagram of the heat exchanger of the utility model first embodiment；
Figure 15 is the dimensional structure diagram of the heat exchanger of the utility model second embodiment；
Figure 16 is the dimensional structure diagram of the heat exchanger of the utility model 3rd embodiment；
Figure 17 is the dimensional structure diagram of the heat exchanger of the utility model fourth embodiment.
Description of reference numerals：1st, first area；2nd, second area；3rd, frame；4th, reinforcement；5th, housing；6th, liquid barrier；7、
Vapour-liquid screen pack.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as to this practicality
New restriction.
With reference to shown in referring to Fig. 3 and Fig. 4, applicant has found in research process, is low close to region L immediately below liquid barrier
Fast flow region, it is high-speed flow area to press close to shell rim and liquid barrier entrance region H.High-speed flow area carries liquid
Drop ability is stronger, and screen cloth separating power declines in the region, and low speeds flow region sets past with high-speed region identical filter screen
It is past to increase the overall pressure drop of evaporator.
Based on above-mentioned discovery, applicant proposes following solution：
With reference to shown in referring to Fig. 5 to Figure 17, according to embodiment of the present utility model, vapour-liquid screen pack is included positioned at middle part
First area 1 and the second area 2 positioned at the week side of boss of first area 1, the thickness of second area 2 are more than the thickness of first area 1.
Because in refrigerant flow process, the refrigerant flow rate positioned at the lower section of first area 1 at middle part is slower, and positioned at periphery
The flow velocity of the refrigerant of the second area 2 in region is very fast, therefore can be by increasing filter screen thickness in the big region of flow strength, in stream
Filter screen thickness is reduced in dynamic slow region, so that two parts flow region is adjusted to different thickness according to the flowing velocity of refrigerant
Degree, enhances the separating power of high-speed region filter screen, while promoting fluid to be flowed to low-speed region, enhances low-speed region filter screen
Adsorption capacity, and it is more uniform to flow refrigerant through screen pack, reduces the pressure drop in refrigerant flowing, it is ensured that filter screen
Gas-liquid separation efficiency, improve filter screen gas-liquid separation effect.
During being designed, between the area A of the first area 1 of vapour-liquid screen pack and the area B of second area 2
1/2B≤A ＜ B are met, causes that refrigerant can not be adjusted well to avoid the area of first area 1 excessive or too small and quickly flows
Region and the filter screen thickness in refrigerant slow flow region, it is ensured that vapour-liquid screen pack of the present utility model can quickly flow in refrigerant
Rational area is distributed in region and refrigerant slow flow region so that can be flowed when refrigerant flows through vapour-liquid screen pack more equal
It is even, and gas-liquid separation efficiency and separating effect are more preferable.
First area 1 is different with the thickness of second area 2, and its implementation can be for example directly whole at one to be a variety of
The region of different-thickness is processed on the filter structure of body formula, the design requirement for making it meet first area 1 and second area 2,
Either respectively at first area 1 with second area 2 the different numbers of plies of settings screen pack, regardless of filter screen molding structure such as
What, as long as it can finally realize the Structural Design Requirement to first area 1 and second area 2, should be included in the application
Protection domain within.
In the present embodiment, first area 1 and second area 2 include multiple filtration net, the filtering meshes of second area 2
The screen pack number of plies of the number more than first area 1.By the mistake for setting the different numbers of plies respectively at first area 1 and second area 2
Filter screen, can reduce the shaping difficulty of vapour-liquid screen pack, improve the shaping efficiency of vapour-liquid screen pack, reduce its processing cost.
Preferably, the screen pack number of plies of first area 1 is more than or equal to the 1/3 of the screen pack number of plies of second area 2, its purpose
It is that the screen pack number of plies for ensureing first area 1 is unlikely to too small and influences first area 1 to the filtering adsorption capacity of refrigerant, it is ensured that
The integral filter effect of vapour-liquid screen pack.For example, when the screen pack number of plies of second area 2 is 6, the screen pack of first area 1
The number of plies is 2 to 5 layers.
Vapour-liquid screen pack includes frame 3 and the reinforcement 4 being arranged in frame 3, and screen pack is filled in frame 3 and reinforcement
In 4 frameworks formed.Frame 3 and reinforcement 4 are engaged so that framework has higher structural strength, and causes whole
The shaping of individual vapour-liquid screen pack is more convenient and reliable.The framework is supported using corrosion-resistant material, such as stainless steel material,
Iron wire material can be used, so as to reduce material cost.Make vapour-liquid screen pack during, first by frame 3 and plus
The grade material of strengthening tendons 4 makes supporting construction, final fixed-type then toward multistorey strainer mesh is clogged in supporting construction.
With reference to shown in referring to Fig. 5 and Fig. 6, according to first embodiment of the present utility model, the first area 1 of vapour-liquid screen pack
Flat panel filter net is with second area 2, first area 1 is located in second area 2, and second area 2 and the bottom of first area 1
Face is flushed.This kind of shaping structures are simple and convenient, and cost is relatively low, can be directly molded, and first area 1 and second area 2 can
To be integrally formed, so as to ensure integrally-built uniformity.
In a further embodiment, the first area 1 of vapour-liquid screen pack and second area 2 not in one plane, and
Both are also not integrally formed, but are separately fixed together after shaping, and wherein first area 1 protrudes from the secondth area
Domain 2 is set, and has connecting hole in the middle of second area 2, and the week side of boss of first area 1 is fixedly connected with the week side of boss of connecting hole.
With reference to shown in referring to Fig. 7 and Fig. 8, according to second embodiment of the present utility model, in the present embodiment, vapour-liquid filtering
The first area 1 of net and second area 2 are flat panel filter net, and first area 1 is protruded from outside second area 2, first area 1
The week side of boss is fixed with the connecting hole the week side of boss of second area 2 and is stitched together.The vapour-liquid screen pack being molded uses two-layer structure welding
Form, the connecting hole inner periphery of the neighboring of the first area 1 of protrusion and the second area 2 of lower floor, which is used, to be welded to connect,
Attachment structure is more stablized, and because the structure that first area 1 and second area 2 are molded is shown as being recessed in refrigerant upstream end
Structure, therefore in refrigerant flow process, the refrigerant at second area 2 can be to flowing at first area 1, so as to strengthen the firstth area
The adsorption effect in domain 1.Because the screen pack at first area 1 in the present embodiment and second area 2 is slab construction, only
It is to weld together after the completion of shaping, therefore both molding structures are also relatively simple, processing more facilitates, processing cost
It is relatively low.
With reference to shown in referring to Fig. 9 and Figure 10, according to 3rd embodiment of the present utility model, in the present embodiment, vapour-liquid mistake
The first area 1 of filter screen is that arc protrudes screen pack, and second area 2 is flat panel filter net, and arc protrudes the outer circumferential side of screen pack
It is fixedly connected on the week side of boss of the connecting hole of flat panel filter net.In the present embodiment, relative to first embodiment and second embodiment
For the vapour-liquid screen pack of middle same cross-sectional area, the vapour-liquid screen pack of the present embodiment has bigger vapour-liquid filter area, arc
Shape structure is more beneficial for condensation and the whereabouts of drop, and flow resistance is smaller.
With reference to shown in referring to Figure 11 and Figure 12, according to fourth embodiment of the present utility model, in the present embodiment, vapour-liquid mistake
The first area 1 of filter screen is to protrude screen pack along the taper that the direction section away from second area 2 is successively decreased, and second area 2 is flat
Plate screen pack, the outer circumferential side of taper protrusion screen pack is fixedly connected on the week side of boss of the connecting hole of flat panel filter net.Preferably, taper
Welded together between each side plate for protruding screen pack.
First area 1 is set to protrude screen pack along the taper successively decreased of direction section away from second area 2, except with
Outside bigger vapour-liquid filter area and the easy advantage for condensing drop, for 3rd embodiment, the knot of the present embodiment
Structure is more prone to carry out module welding, is molded simpler convenience.
Above-mentioned projective structure is not limited to arc and the taper of the above, can be easily waveform or the projective structure such as trapezoidal.
With reference to shown in Figure 14, housing 5 and vapour-liquid mistake are included according to the heat exchanger of first embodiment of the present utility model
Filter screen 7, vapour-liquid screen pack is above-mentioned vapour-liquid screen pack 7, and vapour-liquid screen pack 7 is arranged in housing 5.What the heat exchanger was used
Vapour-liquid screen pack is the vapour-liquid screen pack of the first embodiment shown in Fig. 5 and Fig. 6.
With reference to shown in referring to Figure 15 to 17, according to embodiment of the present utility model, heat exchanger includes housing 5, the and of liquid barrier 6
Vapour-liquid screen pack 7, vapour-liquid screen pack 7 is the above-mentioned vapour-liquid screen pack with projective structure, and vapour-liquid screen pack 7 is arranged on housing
In 5, the first area 1 of vapour-liquid screen pack 7 is protruded towards liquid barrier 6.
In the present embodiment, vapour-liquid screen pack 7 is installed under liquid barrier 6, heat exchanger tube stringing region IQ, to prevent from making an uproar
The generation of sound, projective structure can not contact interference with liquid barrier 6, can not also contact and interfere with bottom heat exchanger tube.
In view of the structural strength of vapour-liquid screen pack, each side width of second area 2 should be not less than 20cm, projective structure
Top and liquid barrier 6 between spacing should be not less than 10cm.
With reference to shown in Figure 15, according to the heat exchanger of second embodiment of the present utility model, the vapour-liquid filtering used
Net is the vapour-liquid screen pack shown in Fig. 7 and Fig. 8.
With reference to shown in Figure 16, according to the heat exchanger of 3rd embodiment of the present utility model, the vapour-liquid filtering used
Net is the vapour-liquid screen pack shown in Fig. 9 and Figure 10.
With reference to shown in Figure 17, according to the heat exchanger of 3rd embodiment of the present utility model, the vapour-liquid filtering used
Net is the vapour-liquid screen pack shown in Figure 11 and Figure 12.
According to embodiment of the present utility model, air-conditioner includes heat exchanger, and heat exchanger is above-mentioned heat exchanger.
Certainly, above is preferred embodiment of the present utility model.It should be pointed out that for the ordinary skill of the art
For personnel, on the premise of the utility model general principle is not departed from, some improvements and modifications can also be made, these improvement
Protection domain of the present utility model is also considered as with retouching.
Claims (14)
1. a kind of vapour-liquid screen pack, it is characterised in that including the first area (1) positioned at middle part and positioned at the first area
(1) second area (2) of the week side of boss, the thickness of the second area (2) is more than the thickness of the first area (1).
2. vapour-liquid screen pack according to claim 1, it is characterised in that the area A of the first area (1) and described
1/2B≤A ＜ B are met between the area B in two regions (2).
3. vapour-liquid screen pack according to claim 1, it is characterised in that the first area (1) and the second area
(2) multiple filtration net is included, the screen pack number of plies of the second area (2) is more than the filtering meshes of the first area (1)
Number.
4. vapour-liquid screen pack according to claim 3, it is characterised in that the screen pack number of plies of the first area (1) is big
In 1/3 of the screen pack number of plies equal to the second area (2).
5. vapour-liquid screen pack according to claim 3, it is characterised in that the vapour-liquid screen pack includes frame (3) and set
The reinforcement (4) in the frame (3) is put, the screen pack is filled in the frame (3) and the reinforcement (4) is formed
Framework in.
6. vapour-liquid screen pack according to any one of claim 1 to 5, it is characterised in that the first area (1) and institute
State second area (2) and be flat panel filter net, the first area (1) is located in the second area (2), and secondth area
Domain (2) is flushed with the bottom surface of the first area (1).
7. vapour-liquid screen pack according to any one of claim 1 to 5, it is characterised in that first area (1) protrusion
Set in the second area (2), there is connecting hole, the week side of boss of the first area (1) and institute in the middle of the second area (2)
The week side of boss for stating connecting hole is fixedly connected.
8. vapour-liquid screen pack according to claim 7, it is characterised in that the first area (1) and the second area
(2) flat panel filter net is, the first area (1) protrudes from the second area (2), the periphery of the first area (1)
Side is fixed with the connecting hole the week side of boss of the second area (2) and is stitched together.
9. vapour-liquid screen pack according to claim 7, it is characterised in that the first area (1) is that arc protrudes filtering
Net, the second area (2) is flat panel filter net, and the outer circumferential side of the arc protrusion screen pack is fixedly connected on the flat board mistake
The week side of boss of the connecting hole of filter screen.
10. vapour-liquid screen pack according to claim 7, it is characterised in that the first area (1) is along away from described the
The taper protrusion screen pack that the direction section in two regions (2) is successively decreased, the second area (2) is flat panel filter net, the taper
The outer circumferential side of protrusion screen pack is fixedly connected on the week side of boss of the connecting hole of the flat panel filter net.
11. vapour-liquid screen pack according to claim 10, it is characterised in that each side plate of screen pack is protruded in the taper
Between weld together.
12. a kind of heat exchanger, including housing (5) and vapour-liquid screen pack (7), it is characterised in that the vapour-liquid screen pack is right
It is required that the vapour-liquid screen pack (7) any one of 1 to 6, the vapour-liquid screen pack (7) is arranged in the housing (5).
13. a kind of heat exchanger, including housing (5), liquid barrier (6) and vapour-liquid screen pack (7), it is characterised in that the vapour-liquid mistake
Filter screen (7) is the vapour-liquid screen pack any one of claim 7 to 11, and the vapour-liquid screen pack (7) is arranged on the shell
In body (5), the first area (1) of the vapour-liquid screen pack (7) is protruded towards the liquid barrier (6).
14. a kind of air-conditioner, including heat exchanger, it is characterised in that the heat exchanger is the heat exchange described in claim 12 or 13
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621176949.8U CN206320965U (en) | 2016-11-02 | 2016-11-02 | Vapour-liquid screen pack, heat exchanger and air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621176949.8U CN206320965U (en) | 2016-11-02 | 2016-11-02 | Vapour-liquid screen pack, heat exchanger and air-conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206320965U true CN206320965U (en) | 2017-07-11 |
Family
ID=59263200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621176949.8U Withdrawn - After Issue CN206320965U (en) | 2016-11-02 | 2016-11-02 | Vapour-liquid screen pack, heat exchanger and air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206320965U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382774A (en) * | 2016-11-02 | 2017-02-08 | 珠海格力电器股份有限公司 | Gas-liquid filter net, heat exchanger and air conditioner |
-
2016
- 2016-11-02 CN CN201621176949.8U patent/CN206320965U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382774A (en) * | 2016-11-02 | 2017-02-08 | 珠海格力电器股份有限公司 | Gas-liquid filter net, heat exchanger and air conditioner |
| WO2018082434A1 (en) * | 2016-11-02 | 2018-05-11 | 珠海格力电器股份有限公司 | Vapour-liquid filter mesh, heat exchanger and air conditioner |
| US11199346B2 (en) | 2016-11-02 | 2021-12-14 | Gree Electric Appliances, Inc. Of Zhuhai | Vapour-liquid filter mesh, heat exchanger and air conditioner |
| CN106382774B (en) * | 2016-11-02 | 2022-03-04 | 珠海格力电器股份有限公司 | Vapour-liquid filter screen, heat exchanger and air conditioner |
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Granted publication date: 20170711 Effective date of abandoning: 20220304 |
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| AV01 | Patent right actively abandoned |
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| AV01 | Patent right actively abandoned |