CN208763845U - Freezer compressor noise reduction valve group - Google Patents
Freezer compressor noise reduction valve group Download PDFInfo
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- CN208763845U CN208763845U CN201821284470.5U CN201821284470U CN208763845U CN 208763845 U CN208763845 U CN 208763845U CN 201821284470 U CN201821284470 U CN 201821284470U CN 208763845 U CN208763845 U CN 208763845U
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Abstract
The utility model proposes a kind of freezer compressor noise reduction valve groups, belong to freezer compressor technical field.This freezer compressor noise reduction valve group, exhaust outlet and air entry are opened up on its valve plate, grate flow channel slot is arranged in valve plate inner surface around exhaust outlet, the valve block limiting slot and limit plate card slot communicated therewith is respectively set in grate flow channel slot two sides, valve block limiting slot assembly connection exhaust valve plate one end, exhaust valve plate covers exhaust outlet, limit plate card slot assembly connection limit plate one end, limit plate is located above exhaust valve plate, upper air discharge duct is arranged in cylinder interior surface, cylinder head and valve plate assembly connection make the edge of air discharge duct seal fastening grate flow channel slot, the edge of valve block limiting slot and limit plate card slot forms discharge chamber.The utility model has the beneficial effects that keeping refrigerant gas stream flowing more steady, turbulence intensity is reduced, the pressure loss is smaller, weakens impact of the air-flow to exhaust valve plate, reduces exhaust valve plate and trembles, effectively reduces compressor refrigerant aerodynamic noise.
Description
Technical field
The utility model relates to freezer compressor technical fields, more particularly to a kind of freezer compressor noise reduction valve group.
Background technique
The noise problem of freezer compressor has become short slab generally existing in industry, and how to reduce compressor complete machine and make an uproar
Sound has become one of the problem that compressor industry needs to solve.The noise element is cut down usually using muffler, passes through row
Gas muffler can reduce a part of discharge refrigerant aerodynamic noise, but this is passive noise reduction, the noise reduction not from sound source,
Effect is undesirable.Valve group (including valve plate) is first components that cylinder exhaust process refrigerant flows through.Current compressor
Valve plate is only designed in its exhaust end fitting groove, assembles groove area very little, is only used for assembly exhaust valve plate and limit plate.This causes
The grate flow channel of valve plate is narrow, and is stopped by exhaust valve plate and limit plate, and refrigerant gas stream flow velocity is high, and pulsation is big, turbulence intensity
Height, the pressure loss is big, impacts acutely to exhaust valve plate, easily generation refrigerant aerodynamic noise.Therefore, in order to reduce compressor
Complete machine noise will reduce refrigerant aerodynamic noise under the premise of not increasing the pressure loss.
Utility model content
The purpose of this utility model is to provide a kind of freezer compressor noise reduction valve groups, solve current freezer compressor refrigeration
The larger technical problem of agent aerodynamic noise.
The utility model provides a kind of freezer compressor noise reduction valve group, and freezer compressor noise reduction valve group includes valve plate, exhaust
Valve block, limit plate and cylinder head offer exhaust outlet and air entry on valve plate, and the inner surface of valve plate is arranged around exhaust outlet
There is grate flow channel slot, the inner surface of valve plate is provided with the valve block limit being connected to grate flow channel slot in the side of grate flow channel slot
Slot, the inner surface of valve plate are provided with the limit plate card slot being connected to grate flow channel slot, valve block limit in the other side of grate flow channel slot
One end of position slot assembly connection exhaust valve plate, exhaust valve plate covering exhaust outlet, one end of limit plate card slot assembly connection limit plate,
Limit plate is located above exhaust valve plate, and the inner surface of cylinder head is provided with air discharge duct, and cylinder head and valve plate assembly connection make
Edge, the edge of valve block limiting slot and the edge of limit plate card slot that the edge of air discharge duct seals fastening grate flow channel slot are formed
Discharge chamber.
Further, the space in grate flow channel slot is all larger than the sky in the space in valve block limiting slot and limit plate card slot
Between.
Further, the periphery of grate flow channel slot inner wall opens up rounded corner, and the radius size of rounded corner is grate flow channel slot
Depth value.
Further, the edge of upper air discharge duct deviates 1 millimeter relative to the edge of grate flow channel slot outward.
It further, is clearance fit, limit plate card slot and limit plate between valve block limiting slot and one end of exhaust valve plate
One end between for interference fit.
Compared with prior art, the freezer compressor noise reduction valve group of the utility model has the characteristics that and advantage:
The freezer compressor noise reduction valve group of the utility model sets about carrying out noise reduction, to valve group from exhaust aerodynamic noise sound source
Internal structure improve, valve block structure is simple, convenient for assembly, easy mass production；The freezer compressor of the present embodiment drops
Valve group of making an uproar is assemblied on compressor, expands and optimize exhaust end runner, and the refrigerant being discharged from exhaust outlet enters grate flow channel slot,
Keeping refrigerant gas stream flowing more steady, reduces turbulence intensity, the pressure loss is smaller, weaken impact of the air-flow to exhaust valve plate,
It reduces exhaust valve plate to tremble, effectively reduces compressor refrigerant aerodynamic noise, reduce the pressure loss, improve compressor effect
Rate.
After specific embodiment of the present utility model is read in conjunction with the figure, it will become more the characteristics of the utility model with advantage
Add clear.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this
Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the explosive view of freezer compressor noise reduction valve group；
Fig. 2 be freezer compressor noise reduction valve group installation diagram, at cylinder head be sectional view；
Fig. 3 is the structural schematic diagram of valve plate in freezer compressor noise reduction valve group；
Fig. 4 is the sectional view of valve plate in freezer compressor noise reduction valve group；
Wherein, 1, valve plate, 11, air entry, 12, exhaust outlet, 13, valve block limiting slot, 14, limit plate card slot, 15, exhaust stream
Road slot, 16, grate flow channel trough rim circle A, 17, grate flow channel slot boundary B, 18, rounded corner, 2, exhaust valve plate, 3, limit plate, 4, gas
Cylinder cap, 41, cylinder head arc boundary, 42, cylinder head floor boundary.
Specific embodiment
As shown in Figures 1 to 4, the present embodiment provides a kind of freezer compressor noise reduction valve group, freezer compressor noise reduction valve groups
Including components such as valve plate 1, exhaust valve plate 2, limit plate 3 and cylinder head 4.
Air entry 11 and exhaust outlet 12 are offered on valve plate 1, when the pressure in compresser cylinder is greater than 2 side of exhaust valve plate
When pressure, exhaust valve plate 2 is opened, and refrigerant is discharged from exhaust outlet 12.
The inner surface of valve plate 1 is provided with grate flow channel slot 15 around exhaust outlet 12.The week of 15 inner wall of grate flow channel slot
While opening up rounded corner 18, the radius size of rounded corner 18 is the depth value of grate flow channel slot 15, to reduce refrigerant flow resistance and pressure
Power loss.The inner surface of valve plate 1 is provided with valve block limiting slot 13, valve block limiting slot 13 and exhaust in the side of grate flow channel slot 15
Flow path groove 15 is connected to.The inner surface of valve plate 1 is provided with limit plate card slot 14, limit plate card slot in the other side of grate flow channel slot 15
14 are connected to grate flow channel slot 15.Space in grate flow channel slot 15 is greater than the space in valve block limiting slot 13, also greater than limit
Space in board slot 14.Valve block limiting slot 13, grate flow channel slot 15 and 14 three of limit plate card slot are integrally in spindle.
One end of 13 assembly connection exhaust valve plate 2 of valve block limiting slot, exhaust valve plate 2 cover exhaust outlet 12.Valve block limiting slot
It is clearance fit between 13 and one end of exhaust valve plate 2.One end of 14 assembly connection limit plate 3 of limit plate card slot, limit plate 3
In the top of exhaust valve plate 2.It is interference fit between limit plate card slot 14 and one end of limit plate 3.
The inner surface of cylinder head 4 is provided with air discharge duct, cylinder head 4 and 1 assembly connection of valve plate, so that the side of upper air discharge duct
Exhaust is formed along the edge that sealing fastens the edge of grate flow channel slot 15, the edge of valve block limiting slot 13 and limit plate card slot 14
Chamber.In the present embodiment, the edge (cylinder head arc boundary 41 and cylinder head rib edges circle 42) of upper air discharge duct is relative to exhaust stream
Both 1 millimeter of the offset outward of the edge (grate flow channel trough rim circle A16 and grate flow channel trough rim circle B17) of road slot 15, so as to improve
Between sealing performance.
The freezer compressor noise reduction valve group of the present embodiment sets about carrying out noise reduction, to valve group from exhaust aerodynamic noise sound source
Internal structure improves, and valve block structure is simple, convenient for assembly, easy mass production.The freezer compressor noise reduction of the present embodiment
Valve group is assemblied on compressor, can expand and optimize exhaust end runner, and the refrigerant being discharged from exhaust outlet 12 enters grate flow channel
The space of slot 15, grate flow channel slot 15 is larger and the periphery of its inner wall opens up rounded corner 18, makes refrigerant gas stream in grate flow channel
Flowing is more steady in slot 15, reduces turbulence intensity, and the pressure loss is smaller, weakens impact of the air-flow to exhaust valve plate 2, the row of reduction
Air valve plate 2 trembles, and effectively reduces compressor refrigerant aerodynamic noise, reduces the pressure loss, improves compressor efficiency.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model, are also answered
Belong to the protection scope of the utility model.
Claims (5)
1. a kind of freezer compressor noise reduction valve group, it is characterised in that: freezer compressor noise reduction valve group include valve plate, exhaust valve plate,
Limit plate and cylinder head offer exhaust outlet and air entry, the inner surface of valve plate row of being provided with around exhaust outlet on valve plate
Flow channel slot, the inner surface of valve plate are provided with the valve block limiting slot being connected to grate flow channel slot, valve in the side of grate flow channel slot
The inner surface of plate is provided with the limit plate card slot being connected to grate flow channel slot, valve block limiting slot dress in the other side of grate flow channel slot
One end with connection exhaust valve plate, exhaust valve plate cover exhaust outlet, one end of limit plate card slot assembly connection limit plate, limit plate
Above exhaust valve plate, the inner surface of cylinder head is provided with air discharge duct, and cylinder head and valve plate assembly connection make air discharge duct
Edge seal and fasten the edge at the edge of grate flow channel slot, the edge of valve block limiting slot and limit plate card slot and form exhaust
Chamber.
2. freezer compressor noise reduction valve group according to claim 1, it is characterised in that: the space in grate flow channel slot is big
Space in the space and limit plate card slot in valve block limiting slot.
3. freezer compressor noise reduction valve group according to claim 1, it is characterised in that: open on the periphery of grate flow channel slot inner wall
If rounded corner, the radius size of rounded corner is the depth value of grate flow channel slot.
4. freezer compressor noise reduction valve group according to claim 1, it is characterised in that: the edge of upper air discharge duct is relative to row
The edge of flow channel slot deviates 1 millimeter outward.
5. freezer compressor noise reduction valve group according to claim 1, it is characterised in that: valve block limiting slot and exhaust valve plate
It is clearance fit between one end, is interference fit between limit plate card slot and one end of limit plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821284470.5U CN208763845U (en) | 2018-08-10 | 2018-08-10 | Freezer compressor noise reduction valve group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821284470.5U CN208763845U (en) | 2018-08-10 | 2018-08-10 | Freezer compressor noise reduction valve group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208763845U true CN208763845U (en) | 2019-04-19 |
Family
ID=66130909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821284470.5U Active CN208763845U (en) | 2018-08-10 | 2018-08-10 | Freezer compressor noise reduction valve group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208763845U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697358A (en) * | 2021-01-12 | 2021-04-23 | 淮南联合大学 | Compressor valve block leak hunting testing arrangement |
| CN114673651A (en) * | 2022-05-31 | 2022-06-28 | 江苏博特威流体科技有限公司 | Special air valve for compressor |
-
2018
- 2018-08-10 CN CN201821284470.5U patent/CN208763845U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697358A (en) * | 2021-01-12 | 2021-04-23 | 淮南联合大学 | Compressor valve block leak hunting testing arrangement |
| CN114673651A (en) * | 2022-05-31 | 2022-06-28 | 江苏博特威流体科技有限公司 | Special air valve for compressor |
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