CN206281261U - A kind of knockout net-filter assembly and knockout - Google Patents
A kind of knockout net-filter assembly and knockout Download PDFInfo
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- CN206281261U CN206281261U CN201621205108.5U CN201621205108U CN206281261U CN 206281261 U CN206281261 U CN 206281261U CN 201621205108 U CN201621205108 U CN 201621205108U CN 206281261 U CN206281261 U CN 206281261U
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- filter screen
- knockout
- net
- support plate
- center support
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Abstract
The utility model is related to knockout technical field, more particularly to a kind of knockout net-filter assembly and knockout, the knockout net-filter assembly includes filter screen bracket, filter screen bracket includes connecting plate, and through hole is provided with the middle part of connecting plate, and the center of through hole is provided with center support plate, inlet channel is provided between the outer rim of center support plate and the inner edge of connecting plate, filter screen bracket top is provided with upper filter screen, and lower section is provided with lower filter screen, and lower filter screen is provided with connector；Upper filter screen covers center support plate and inlet channel, and the edge of upper filter screen is connected with the top of connecting plate, the center support plate of lower filter screen covering, the bottom connection of the margin and center support plate of lower filter screen.The knockout net-filter assembly that the utility model is provided, upper filter screen and lower filter screen are respectively provided with filter screen bracket, twice filtering is set, gas-liquid mixed refrigerant successively by filtering twice, realize the secondary separation of liquid refrigerants, liquid refrigerants into the possibility of compressor is greatly reduced, liquid hammer can be effectively prevented, compressor quality is improved.
Description
Technical field
The utility model is related to knockout technical field, more particularly to a kind of knockout net-filter assembly and knockout.
Background technology
Knockout also known as gas-liquid separator, by the knockout of compressor can future flash-pot gas-liquid mixture separate
Out, the gas separated is entered in compressor by the outlet of knockout, and the liquid refrigerant separated lodges in a point liquid
Device bottom.The Main Function of knockout is to prevent liquid refrigerant to be directly entered compressor, so as to prevent the generation of liquid hammer problem.
When knockout works, the air intake duct suction gaseous coolant on its cylinder, gas-liquid mixture is filtered through screen modules
After separation, the liquid refrigerants carried in gaseous coolant stays in the bottom of cylinder, and separate gaseous coolant is by the steel in cylinder
Pipe and blast pipe are sent in compresser cylinder.
But, it is cold by the gaseous coolant after separation still liquid can be carried in gas-liquid separator actual application
Matchmaker, at least the following two kinds situation can carry liquid refrigerants：1st, because being negative pressuren zone in the blast pipe and steel pipe of knockout, gas-liquid is mixed
Compound after screen pack and filter screen bracket through hole, separate it is incomplete, a small amount of liquid refrigerants that gaseous coolant is carried enter steel pipe and
Blast pipe, and then enter cylinder；2nd, liquid refrigerants accumulates in cylinder bottom, but liquid-gas interface that substantial amounts of liquid is still present is cold
Matchmaker, gaseous coolant carries this operative liquid refrigerant and enters compresser cylinder.
Utility model content
The purpose of this utility model is to propose a kind of knockout net-filter assembly and knockout, to solve to deposit in the prior art
Knockout practical application when, liquid refrigerants is still carried in gaseous coolant, into cylinder after there is the technology of liquid hit phenomenon
Problem.
It is that, up to this purpose, the utility model uses following technical scheme：
A kind of knockout net-filter assembly, including filter screen bracket, the filter screen bracket include connecting plate, in the connecting plate
Portion is provided with through hole, and the center of the through hole is provided with center support plate, the outer rim of the center support plate and the inner edge of the connecting plate
Between be provided with inlet channel, the filter screen bracket top is provided with upper filter screen, and lower section is provided with lower filter screen, and the lower filter screen is provided with company
Interface；
The upper filter screen covers the center support plate and the inlet channel, the edge of the upper filter screen and the connecting plate
Top connection, the center support plate of lower filter screen covering, the bottom of the edge of the lower filter screen and the center support plate
Connection.
Further, the center support plate is provided with hemispherical projections, and the upper filter screen and the lower filter screen are hemisphere
Shape, is used to cover the groove for setting the hemispherical projections on the upper filter screen.
Further, the upper filter screen is connected by upper press ring with the connecting plate, the lower filter screen by lower pressure ring with
The center support plate connection.
Further, mesh number of the mesh number of the lower filter screen less than the upper filter screen.
Further, grafting cylinder, the grafting cylinder and the connecting plate are connected with below the edge of the connecting plate
Vertical connection.
The utility model also provides a kind of knockout, including cylinder, and air intake duct is provided with the top of the cylinder, and bottom is provided with
Blast pipe, is provided with steel pipe and knockout net-filter assembly in the cylinder；
The bottom of the steel pipe is connected with the blast pipe, and top is connected with the connector of the lower filter screen, described
Upper filter screen is oppositely arranged with the air intake duct.
Further, the top of the steel pipe is inserted the length of the connector and is not less than 2mm, and the steel pipe top
It is the diameter of steel pipe described in 1/4-1/2 with the vertical range of the center support plate.
Further, the width in the gap between the outer wall of the steel pipe and the lower filter screen is not more than the lower filter screen
The diameter of sieve aperture.
Further, the cylinder includes upper shell, middle cylinder body and lower shell, and the air intake duct is located at the upper shell
On, on the lower shell, the knockout net-filter assembly is located at the end of the middle cylinder for the blast pipe.
A kind of knockout net-filter assembly that the utility model is provided, is respectively provided with upper filter screen and lower filter on filter screen bracket
Net, sets twice filtering, and when using, gas-liquid mixed refrigerant realizes the secondary separation of liquid refrigerants, greatly successively by filtering twice
It is big to reduce liquid refrigerants into the possibility of compressor, liquid hammer can be effectively prevented, improve compressor quality.
A kind of knockout that the utility model is provided, when using, the upper filter screen of above-mentioned knockout net-filter assembly is first to gas-liquid
Mixing refrigerant is once filtered, and operative liquid refrigerant is filtered out, afterwards, after gas coolant enters into cylinder, by lower filter screen
Again filtered gaseous coolant, further filter out in the liquid refrigerants and cylinder retained in gaseous coolant and be mixed into gas
Liquid refrigerants in state refrigerant, and then realize more fully filtering, reduce the possibility that liquid hammer occurs.
Brief description of the drawings
Fig. 1 is the sectional view of the filter screen bracket of the knockout net-filter assembly that the utility model embodiment 1 is provided
Fig. 2 is the sectional view of the knockout net-filter assembly that the utility model embodiment 1 is provided；
Fig. 3 is the sectional view of the knockout that the utility model embodiment 2 is provided；
Fig. 4 is the use state figure of the knockout that the utility model embodiment 2 is provided.
In figure：
1st, air intake duct；2nd, cylinder；3rd, knockout net-filter assembly；4th, steel pipe；5th, blast pipe；21st, upper shell；22nd, middle cylinder body；
23rd, lower shell；51st, upper press ring；52、；Filter screen bracket；53rd, upper filter screen；54th, lower pressure ring；55th, lower filter screen；521st, center support plate；
522nd, connecting plate；523rd, inlet channel；524th, grafting cylinder.
Specific embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by specific embodiment.
Embodiment 1
As depicted in figs. 1 and 2, a kind of knockout net-filter assembly, including filter screen bracket 52, filter screen bracket 52 includes connecting plate
522, the middle part of connecting plate 522 is provided with through hole, and the center of through hole is provided with center support plate 521, the outer rim of center support plate 521 and company
Inlet channel 523 is provided between the inner edge of fishplate bar 522, the top of filter screen bracket 52 is provided with upper filter screen 53, and lower section is provided with lower filter screen 55,
Lower filter screen 55 is provided with connector；
Upper filter screen 53 covers center support plate 521 and inlet channel 523, the edge of upper filter screen 53 and the top of connecting plate 522
Connection, the center support plate 521 of the covering of lower filter screen 55, the bottom connection of the margin and center support plate 521 of lower filter screen 55.
Twice filtering is set on filter screen bracket 52, secondary filter is capable of achieving, when using, gas-liquid mixed refrigerant is first passed through
Filter screen 53, upper filter screen 53 completes once to filter, afterwards, before the cylinder that gaseous coolant enters into compressor, in addition it is also necessary to pass through
Lower filter screen 55, lower filter screen 55 completes secondary filter, and then the filtering of the knockout net-filter assembly 3 to gas-liquid mixed refrigerant is more filled
Point.
Center support plate 521 is provided with hemispherical projections, and upper filter screen 53 and lower filter screen 55 are hemispherical, are used on upper filter screen 53
The groove of hemispherical projections is set in cover.Upper filter screen 53 and lower filter screen 55 use hemispheric structure, the curved structure in its surface,
Contact surface with gas-liquid mixed refrigerant is bigger, and with certain thickness, can more fully filter liquid refrigerants, it is to avoid liquid
State refrigerant enters into compresser cylinder.
Upper filter screen 53 is connected by upper press ring 51 with connecting plate 522, and lower filter screen 55 is by lower pressure ring 54 and center support plate 521
Connection.Upper filter screen 53 and lower filter screen 55 are fixed by upper press ring 51 and lower pressure ring 54 respectively, by the way of pressure ring fixation
It is fixed more firmly, and upper press ring 51 and lower pressure ring 54 simple structure, manufacture simple and fast, cost is relatively low.
Mesh number of the mesh number of lower filter screen 55 less than upper filter screen 53.In order to reduce inspiratory resistance, the mesh number of lower filter screen 55 is less than
The mesh number of upper filter screen 53, it is ensured that gaseous coolant and liquid refrigerants are efficiently separated.
Grafting cylinder 524 is connected with below the edge of connecting plate 522, grafting cylinder 524 is vertical with connecting plate 522 to be connected.
The effect of grafting cylinder 524 is to install that knockout net-filter assembly 3 is overall used, and grafting cylinder 524 plays a part of plug, is plugged into point
On liquid device, easy disassembly, beneficial to the maintenance and repair in later stage.
Embodiment 2
As shown in Figure 3 and Figure 4, a kind of knockout, including cylinder 2, the top of cylinder 2 is provided with air intake duct 1, and bottom is provided with row
The knockout net-filter assembly 3 in steel pipe 4 and embodiment 1 is provided with tracheae 5, cylinder 2；
The bottom of steel pipe 4 is connected with blast pipe 5, and top is connected with the connector of lower filter screen 55, upper filter screen 53 and air intake duct 1
It is oppositely arranged.
The knockout is capable of achieving to carry out secondary mistake to gas-liquid mixed refrigerant using the knockout net-filter assembly 3 in embodiment 1
Filter, wherein, during secondary filter, i.e., the liquid refrigerants not filtered completely in original gas-liquid mixed refrigerant is filtered, together
When, gaseous coolant into the liquid refrigerants being mixed into again after cylinder 2 in gaseous coolant is also may filter that, further reduce liquid
State refrigerant enters into the possibility of compresser cylinder.
The length of the top insertion connector of steel pipe 4 is not less than 2mm, and the top of steel pipe 4 is vertical with center support plate 521
Distance is the diameter of 1/4-1/2 steel pipe 4.Steel pipe 4 is plugged at connector, wherein, in order to reduce absorbing gas belt liquid measure, steel pipe 4
Above-mentioned rational mounting distance should be used between port and knockout net-filter assembly 3.
The width in the gap between the outer wall and lower filter screen 55 of steel pipe 4 is not more than the diameter of the sieve aperture of lower filter screen 55.To keep away
Exempt from liquid refrigerants to be filtered without lower filter screen 55 and directly by being entered into gap in steel pipe 4, further reduce liquid refrigerants
Enter into the possibility of compresser cylinder.
Cylinder 2 includes upper shell 21, middle cylinder body 22 and lower shell 23, and on upper shell 21, blast pipe 5 sets air intake duct 1
In on lower shell 23, knockout net-filter assembly 3 is located at the end of middle cylinder 22.It is easy to assembly quick using Split type structure, profit
In the individual maintenance and repair in later stage, wherein, the grafting cylinder 524 of knockout net-filter assembly 3 is plugged on the end of middle cylinder body 22, point
The size of liquid device net-filter assembly 3 is adapted with the size of middle cylinder body 22.
When specifically used, gas-liquid mixed refrigerant is entered into the upper shell 21 of cylinder 2 by air intake duct 1, gas-liquid mixed refrigerant
The upper filter screen 53 for first passing through knockout net-filter assembly 3 is once filtered, and the gaseous coolant after filtering is entered by inlet channel 523
Enter in the middle cylinder body 22 of cylinder 2, afterwards, gaseous coolant is inhaled into steel pipe 4, lower filter screen 55, lower filter are provided with steel pipe 4
Net 55 carries out secondary filter；When lower filter screen 55 is filtered, further the liquid refrigerants in gaseous coolant is filtered, to reduce
Liquid refrigerants enters the possibility of compressor, can effectively prevent liquid hammer, improves compressor quality.
Know-why of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and can not by any way be construed to the limitation to the utility model protection domain.Based on explanation herein,
Those skilled in the art associates other specific embodiments of the present utility model by would not require any inventive effort,
These modes are fallen within protection domain of the present utility model.
Claims (9)
1. a kind of knockout net-filter assembly, it is characterised in that including filter screen bracket (52), the filter screen bracket (52) includes connection
Plate (522), is provided with through hole in the middle part of the connecting plate (522), the center of the through hole is provided with center support plate (521), described
Inlet channel (523) is provided between the outer rim of center support plate (521) and the inner edge of the connecting plate (522)；The filter screen bracket
(52) top is provided with upper filter screen (53), and lower section is provided with lower filter screen (55), and the lower filter screen (55) is provided with connector；
The upper filter screen (53) covers the center support plate (521) and the inlet channel (523), the side of the upper filter screen (53)
Edge is connected with the top of the connecting plate (522), and the lower filter screen (55) covers the center support plate (521), the lower filter screen
(53) edge is connected with the bottom of the center support plate (521).
2. knockout net-filter assembly according to claim 1, it is characterised in that the center support plate (521) is provided with half
Hemisphere jut, the upper filter screen (53) and the lower filter screen (55) are hemispherical dome structure, are used to cover on the upper filter screen (53)
If the groove of the hemispherical projections.
3. knockout net-filter assembly according to claim 1, it is characterised in that the upper filter screen (53) is by upper press ring
(51) it is connected with the connecting plate (522), the lower filter screen (55) is connected by lower pressure ring (54) with the center support plate (521)
Connect.
4. knockout net-filter assembly according to claim 1, it is characterised in that the mesh number of the lower filter screen (55) is less than institute
State the mesh number of upper filter screen (53).
5. knockout net-filter assembly according to claim 1, it is characterised in that the edge of the connecting plate (522)
Lower section is connected with grafting cylinder (524), and (524) are vertical with the connecting plate (522) is connected for grafting cylinder.
6. a kind of knockout, it is characterised in that including cylinder (2), air intake duct (1) is provided with the top of the cylinder (2), bottom sets
Have in blast pipe (5), the cylinder (2) and be provided with steel pipe (4) and the knockout net-filter assembly as described in claim any one of 1-5
(3)；
The bottom of the steel pipe (4) is connected with the blast pipe (5), and top connects with the connector of the lower filter screen (55)
Connect, the upper filter screen (53) is oppositely arranged with the air intake duct (1).
7. knockout according to claim 6, it is characterised in that insert the connector in the top of the steel pipe (4)
Length is not less than 2mm, and the top of the steel pipe (4) and the vertical range of the center support plate (521) are described in 1/4-1/2
The diameter of steel pipe (4).
8. knockout according to claim 6, it is characterised in that the outer wall of the steel pipe (4) and the lower filter screen (55)
Between gap width be not more than the lower filter screen (55) sieve aperture diameter.
9. knockout according to claim 6, it is characterised in that the cylinder (2) includes upper shell (21), middle cylinder body
(22) and lower shell (23), on the upper shell (21), the blast pipe (5) is located at the lower cylinder for the air intake duct (1)
On body (23), end of the knockout net-filter assembly (3) located at the middle cylinder (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621205108.5U CN206281261U (en) | 2016-11-08 | 2016-11-08 | A kind of knockout net-filter assembly and knockout |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621205108.5U CN206281261U (en) | 2016-11-08 | 2016-11-08 | A kind of knockout net-filter assembly and knockout |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206281261U true CN206281261U (en) | 2017-06-27 |
Family
ID=59083976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621205108.5U Active CN206281261U (en) | 2016-11-08 | 2016-11-08 | A kind of knockout net-filter assembly and knockout |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206281261U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322866A (en) * | 2016-11-08 | 2017-01-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Liquid dispenser filter screen assembly and liquid dispenser |
| WO2022262653A1 (en) * | 2021-06-16 | 2022-12-22 | 浙江盾安人工环境股份有限公司 | Gas-liquid separator and air conditioning device |
-
2016
- 2016-11-08 CN CN201621205108.5U patent/CN206281261U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106322866A (en) * | 2016-11-08 | 2017-01-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Liquid dispenser filter screen assembly and liquid dispenser |
| WO2022262653A1 (en) * | 2021-06-16 | 2022-12-22 | 浙江盾安人工环境股份有限公司 | Gas-liquid separator and air conditioning device |
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| GR01 | Patent grant |