CN205089630U - Baffle and have its compressor - Google Patents
Baffle and have its compressor Download PDFInfo
- Publication number
- CN205089630U CN205089630U CN201520829626.3U CN201520829626U CN205089630U CN 205089630 U CN205089630 U CN 205089630U CN 201520829626 U CN201520829626 U CN 201520829626U CN 205089630 U CN205089630 U CN 205089630U
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- China
- Prior art keywords
- baffle plate
- lead
- free end
- groove
- blind hole
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model provides a baffle and have its compressor. The baffle includes: the main part has free end and installation end, gas introduction portion sets up in the free end of main part, and gas introduction portion includes the leading -in passageway that the extension was seted up on the free end. The vibration that the interior gas of leading -in passageway is not stopped under pressure wave action, friction and damping action during owing to gaseous vibration make partial acoustic energy turn into heat energy and dissipate, and corresponding pressure oscillation becomes comparatively mild, and air flow noise reduces thereupon. The utility model discloses a baffle and have its compressor effectively reduces the gas noise that discharge pressure and gas reflux pressure produced, has solved the problem that produces a large amount of gas noises in the exhaust process among the prior art.
Description
Technical field
The utility model relates to a kind of baffle plate and has its compressor.
Background technique
Current compressor noise source mainly contains gas noise, mechanical noise and electromagnetic noise etc.Compressor air-discharging mode adopts reed valve plate form, and valve block, by relief opening stream pressure and the effect of chamber exteenal reflux stream pressure, does curling movements up and down.As shown in Figure 1 to Figure 3, the baffle plate in compressor has baffle plate main body 10 ', and one end of baffle plate main body 10 ' has mounting hole 11 ', and baffle plate is arranged on the top of the valve block being covered on exhaust ports.In exhaust process, due to by two aspect pressure effects, produce a large amount of gas noises, affect the quality of the life of people.
Model utility content
Main purpose of the present utility model is the compressor providing a kind of baffle plate and have it, to solve in exhaust process of the prior art, produces the problem of mass air flow pulsations.
To achieve these goals, according to an aspect of the present utility model, provide a kind of baffle plate, comprising: main part, there is free end and mounting end; Gas introduction part, is arranged at the free end of main part, and gas introduction part is included in introduction channel free end extending and offers.
Further, gas introduction part also has introducing port, to be imported in gas introduction part by gas.
Further, the two ends of introduction channel have connection mouth and introducing port respectively, and gas introduction part also comprises: blind hole, and having can receiving cavity, and blind hole and introduction channel are opened in the same side of free end, and blind hole is connected with introduction channel by connection mouth.
Further, introduction channel comprises: the first lead-in groove, is opened on the outer circumferential face of free end; Second lead-in groove, is opened in the side of free end and is connected with the first lead-in groove, and the outer circumferential face of free end is run through to form introducing port in one end of the second lead-in groove, and the other end of the second lead-in groove is connected with blind hole.
Further, gas introduction part is one, and the center line along its length of introduction channel overlaps with the center line of the length direction of main part.
Further, gas introduction part is multiple, is interconnected between multiple gas introduction part.
Further, gas introduction part also comprises: blind hole, and having can receiving cavity, and blind hole and multiple introduction channel are opened in the same side of free end, and multiple introduction channel is connected by blind hole.
Further, the cross section of free end is circular, multiple gas introduction part has multiple first lead-in groove and multiple second lead-in groove, and multiple first lead-in groove interval arranges and the radial direction of its bearing of trend and free end is perpendicular, and the second lead-in groove is arranged along the radial direction of free end.
Further, the circular in cross-section of blind hole.
Further, the height that blind hole stretches into main part is greater than the degree of depth of the second lead-in groove.
Further, mounting end is connected with installation foundation, and main part is towards the curving deviating from installation foundation.
According to another aspect of the present utility model, additionally provide a kind of compressor, comprise baffle plate, baffle plate is above-mentioned baffle plate.
Further, compressor also comprises upper flange, and upper flange has relief opening, and exhaust ports is covered with valve block, baffle plate be arranged at exhaust ports and valve block between relief opening and baffle plate.
Further, gas introduction part also comprises blind hole, and blind hole has can receiving cavity be opened in the same side of free end with introduction channel, and blind hole is connected with introduction channel, and when valve block laminating baffle plate, form resonance sound-absorbing structure, resonance sound-absorbing frequency is:
in formula, c is sound wave velocity of propagation in media as well; V is the volume of blind hole.
Further, introduction channel comprises: the first lead-in groove, is opened on the outer circumferential face of free end; Second lead-in groove, is opened in the side of free end, and is connected with the first lead-in groove; G is the conductivity of sound wave, wherein,
in formula, S
0be the area of the cross section of the second lead-in groove, d is the diameter of blind hole, and t is the length of the second lead-in groove.
Application the technical solution of the utility model, main part offers gas introduction part, gas introduction part comprises introduction channel.Gas in introduction channel ceaselessly vibrates under pressure surge effect, due to friction during Gas Vibration and damping function, makes part acoustic energy be converted into thermal energy consumption and dissipates, and corresponding pressure surge becomes comparatively mild, and pneumatic noise decreases.Baffle plate of the present utility model and have its compressor, effectively reduces the gas noise that exhaust pressure and gas return pressure produce, solves the problem producing mass air flow pulsations in exhaust process of the prior art.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the plan view of the baffle plate of prior art;
Fig. 2 shows the plan view of the baffle plate of prior art;
Fig. 3 shows the perspective view of the baffle plate of prior art;
Fig. 4 shows the plan view of baffle plate of the present utility model;
Fig. 5 shows the perspective view of baffle plate of the present utility model;
Fig. 6 shows the plan view of baffle plate of the present utility model;
Fig. 7 shows the plan view after baffle plate of the present utility model and valve block assembling;
Fig. 8 shows the perspective view after baffle plate of the present utility model and valve block assembling;
Fig. 9 shows the plan view after baffle plate of the present utility model and valve block assembling;
Figure 10 shows the design principle figure of baffle plate of the present utility model.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, main part;
20, gas introduction part;
21, introducing port;
22, introduction channel;
23, connection mouth;
24, blind hole;
25, the first lead-in groove;
26, the second lead-in groove;
30, baffle plate;
40, valve block.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As shown in Figures 4 to 6, the utility model provides a kind of baffle plate.
Particularly, baffle plate comprises main part 10 and gas introduction part 20.Wherein, main part 10 has free end and mounting end, and gas introduction part 20 is arranged at the free end of main part 10, and the mounting end of main part 10 is provided with mounting hole 11.Gas introduction part 20 comprises introduction channel 22, and introduction channel 22 to be opened on free end and to extend on free end and can import gas.
Gas in introduction channel 22 ceaselessly vibrates under pressure surge effect, due to friction during Gas Vibration and damping function, makes part acoustic energy be converted into thermal energy consumption and dissipates, and corresponding pressure surge becomes comparatively mild, and pneumatic noise decreases.Baffle plate of the present utility model and have its compressor, effectively reduces the gas noise that exhaust pressure and gas return pressure produce, solves the problem producing mass air flow pulsations in exhaust process of the prior art.
As shown in Figure 5, gas introduction part 20 also has introducing port 21, to be imported in gas introduction part 20 by gas.Pressurized gas enter in gas introduction part 20 by introducing port 21, and introducing port 21 has guiding and guides the effect of gas.
Further, the two ends of introduction channel 22 have connection mouth 23 and introducing port 21 respectively, and connection mouth 23 has the effect of connection, introducing port 21 as suction port for importing pressurized gas.
Gas introduction part 20 also comprises blind hole 24, and blind hole 24 has and receiving cavity and blind hole 24 can have cavity, and blind hole 24 and introduction channel 22 are opened in the same side of free end, and blind hole 24 is connected with introduction channel 22 by connection mouth 23.Pressurized gas enter from connection mouth 23 in the cavity of blind hole 24 after entering introduction channel 22 from introducing port 21.In the present embodiment, introduction channel 22 and blind hole 24 form silencing cavity jointly, and silencing cavity essence is a resonance sound-absorbing structure.Gas in importing path 22 is under pressure surge effect, do the to-and-fro motion of similar piston, and the air kind in the cavity of blind hole 24 is similar to spring, due to friction during Gas Vibration and damping function, make part acoustic energy be converted into thermal energy consumption to dissipate, corresponding pressure surge becomes comparatively mild, and pneumatic noise decreases, the gas noise that effective reduction exhaust pressure and gas return pressure produce, promotes people's quality of life.
As shown in Figures 4 to 6, introduction channel 22 comprises the first lead-in groove 25 and the second lead-in groove 26.First lead-in groove 25 is opened on the outer circumferential face of free end, and the second lead-in groove 26 is opened in the side of free end and is connected with the first lead-in groove 25.First lead-in groove 25 and the second lead-in groove 26 form introduction channel 22 jointly.Wherein, the outer circumferential face of free end is run through to form introducing port 21 in one end of the second lead-in groove 26, and the other end of the second lead-in groove 26 is connected with blind hole 24.Pressurized gas enter introducing port 21 through the first lead-in groove 25, enter the second lead-in groove 26 from introducing port 21, and these gases enter from connection mouth 23 in the cavity of blind hole 24 again.
As shown in Figure 4, in the present embodiment, gas introduction part 20 is one, and the center line along its length of introduction channel 22 overlaps with the center line of the length direction of main part 10.Whole baffle plate center line is along its length symmetrical arranged, and introduction channel 22 is positioned on the face at center line place of baffle plate.Structure is simple, is easy to realize.
In another embodiment, gas introduction part 20 is multiple (not shown), is interconnected between multiple gas introduction part 20.Preferably, gas introduction part 20 also comprises blind hole 24, and blind hole 24 has can receiving cavity, and blind hole 24 and multiple introduction channel 22 are opened in the same side of free end, and multiple introduction channel 22 is connected by blind hole 24.Wherein, the cross section of the free end of main part 10 is circular, multiple gas introduction part 20 has multiple first lead-in groove 25 and multiple second lead-in groove 26, multiple first lead-in groove 25 interval arranges and the radial direction of its bearing of trend and free end is perpendicular, and the second lead-in groove 26 is arranged along the radial direction of free end.Such structure can import more pressurized gas, import the more frequent of the gas motion in path 22, produce larger friction and damping function during Gas Vibration, make more acoustic energy be converted into thermal energy consumption and dissipate, corresponding pressure surge becomes comparatively mild, and pneumatic noise decreases.
Wherein, alternatively, the circular in cross-section of blind hole 24.The cavity structure that blind hole 24 is formed, easy to make, be easy to realize.
And then ground, as shown in Figure 6, the height that blind hole 24 stretches into main part 10 is greater than the degree of depth of the second lead-in groove 26.Have the cavity holding the pressurized gas imported in blind hole 24, volume is large as much as possible, and therefore blind hole 24 degree of depth dented in main part 10 will be tried one's best large to hold more pressurized gas.
As shown in Figure 7 to 9, the utility model additionally provides a kind of compressor, and compressor comprises baffle plate 30, and baffle plate 30 is the baffle plate in above-described embodiment.Such as, rotary compression machine baffle, i.e. lift limiter.Play the effect of restriction valve plate movement and amount of crimp.
Compressor also comprises upper flange (not shown), and upper flange has relief opening, and exhaust ports is covered with valve block 40, baffle plate 30 be arranged at exhaust ports and valve block 40 between relief opening and baffle plate 30.
As shown in Figure 7 to 10, gas introduction part 20 also comprises blind hole 24, and blind hole 24 has can receiving cavity be opened in the same side of free end with introduction channel 22, and blind hole 24 is connected with introduction channel 22.When valve block 40 fits baffle plate 30, form resonance sound-absorbing structure, resonance sound-absorbing frequency is:
in formula, c is sound wave velocity of propagation in media as well; V is the volume of blind hole.
Introduction channel 22 comprises the first lead-in groove 25 and the second lead-in groove 26, first lead-in groove 25 is opened on the outer circumferential face of free end; Second lead-in groove 26 is opened in the side of free end and is connected with the first lead-in groove 25.G is the conductivity of sound wave, wherein,
in formula, S
0be the area of the cross section of the second lead-in groove 26, d is the diameter of blind hole 24, and t is the length of the second lead-in groove 26.
Utilize this structure, by design noise-reducing structure parameter, can f be reduced
rfrequency noise, reduces the gas noise being subject to producing from gas backstreaming pressure outside vent pressure and chamber.
Wherein, the mounting end of the main part 10 of baffle plate 30 is connected with installation foundation such as upper flange, and main part 10 is towards the curving deviating from installation foundation and upper flange.Bending main part 10 has abdicated to valve block 40 space bending and rise, and valve block 40 can be avoided to be thrust by pressurized gas.
In above-described embodiment, the pressurized gas in the relief opening of upper flange are gone out, jack-up valve block 40.Go out this two-part gas of pressurized gas that the pressurized gas of the relief opening of upper flange and upper flange outside be arranged in compressor housing enters the blind hole 24 of introduction channel 22 cavity from introducing port 21.Introduction channel 22 and blind hole 24 form silencing cavity jointly, and silencing cavity essence is a resonance sound-absorbing structure.That is be provided with silencing cavity at the free end of main part 10, utilize the principle of resonance sound-absorbing effectively to reduce the gas noise of exhaust pressure and the generation of gas return pressure.
As can be seen from the above description, the utility model the above embodiments achieve following technique effect:
Gas in introduction channel 22 ceaselessly vibrates under pressure surge effect, due to friction during Gas Vibration and damping function, makes part acoustic energy be converted into thermal energy consumption and dissipates, and corresponding pressure surge becomes comparatively mild, and pneumatic noise decreases.Baffle plate of the present utility model and have its compressor, effectively reduces the gas noise that exhaust pressure and gas return pressure produce, solves the problem producing mass air flow pulsations in exhaust process of the prior art.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (15)
1. a baffle plate, is characterized in that, comprising:
Main part (10), has free end and mounting end;
Gas introduction part (20), is arranged at the free end of described main part (10), and described gas introduction part (20) is included in the introduction channel (22) described free end extending and offers.
2. baffle plate according to claim 1, is characterized in that, described gas introduction part (20) also has introducing port (21), to be imported by gas in described gas introduction part (20).
3. baffle plate according to claim 2, is characterized in that, the two ends of described introduction channel (22) have connection mouth (23) and described introducing port (21) respectively, and described gas introduction part (20) also comprises:
Blind hole (24), having can receiving cavity, described blind hole (24) and described introduction channel (22) are opened in the same side of described free end, and described blind hole (24) is connected with described introduction channel (22) by described connection mouth (23).
4. baffle plate according to claim 3, is characterized in that, described introduction channel (22) comprising:
First lead-in groove (25), is opened on the outer circumferential face of described free end;
Second lead-in groove (26), be opened in the side of described free end and be connected with described first lead-in groove (25), the outer circumferential face of described free end is run through to form described introducing port (21) in one end of described second lead-in groove (26), and the other end of described second lead-in groove (26) is connected with described blind hole (24).
5. baffle plate according to claim 1, is characterized in that, described gas introduction part (20) is one, and the center line along its length of introduction channel (22) overlaps with the center line of the length direction of described main part (10).
6. baffle plate according to claim 4, is characterized in that, described gas introduction part (20), for multiple, is interconnected between multiple described gas introduction part (20).
7. baffle plate according to claim 6, is characterized in that, described gas introduction part (20) also comprises:
Blind hole (24), having can receiving cavity, described blind hole (24) and multiple described introduction channel (22) are opened in the same side of described free end, and multiple described introduction channel (22) is connected by described blind hole (24).
8. baffle plate according to claim 7, it is characterized in that, the cross section of described free end is circular, multiple described gas introduction part (20) has multiple described first lead-in groove (25) and multiple described second lead-in groove (26), multiple described first lead-in groove (25) interval arranges and the radial direction of its bearing of trend and described free end is perpendicular, and described second lead-in groove (26) is arranged along the radial direction of described free end.
9. the baffle plate according to claim 3 or 7, is characterized in that, the circular in cross-section of described blind hole (24).
10. the baffle plate according to claim 4 or 8, is characterized in that, the height that described blind hole (24) stretches into described main part (10) is greater than the degree of depth of described second lead-in groove (26).
11. baffle plates according to claim 1, is characterized in that, described mounting end is connected with installation foundation, and described main part (10) is towards the curving deviating from described installation foundation.
12. 1 kinds of compressors, comprise baffle plate (30), it is characterized in that, described baffle plate (30) baffle plate according to any one of claim 1 to 11.
13. compressors according to claim 12, it is characterized in that, described compressor also comprises upper flange, described upper flange has relief opening, described exhaust ports is covered with valve block (40), and described baffle plate (30) is arranged at described exhaust ports and described valve block (40) is positioned between described relief opening and described baffle plate (30).
14. compressors according to claim 13, it is characterized in that, described gas introduction part (20) also comprises blind hole (24), described blind hole (24) has can receiving cavity be opened in the same side of described free end with described introduction channel (22), described blind hole (24) is connected with described introduction channel (22), when described valve block (40) fits described baffle plate (30), form resonance sound-absorbing structure, described resonance sound-absorbing frequency is:
In formula, c is sound wave velocity of propagation in media as well; V is the volume of described blind hole (24).
15. compressors according to claim 14, is characterized in that, described introduction channel (22) comprising:
First lead-in groove (25), is opened on the outer circumferential face of described free end;
Second lead-in groove (26), is opened in the side of described free end, and is connected with described first lead-in groove (25);
G is the conductivity of sound wave, wherein,
In formula, S
0for the area of the cross section of described second lead-in groove (26), d is the diameter of described blind hole (24), and t is the length of described second lead-in groove (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520829626.3U CN205089630U (en) | 2015-10-21 | 2015-10-21 | Baffle and have its compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520829626.3U CN205089630U (en) | 2015-10-21 | 2015-10-21 | Baffle and have its compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205089630U true CN205089630U (en) | 2016-03-16 |
Family
ID=55480322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520829626.3U Withdrawn - After Issue CN205089630U (en) | 2015-10-21 | 2015-10-21 | Baffle and have its compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205089630U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221434A (en) * | 2015-10-21 | 2016-01-06 | 珠海凌达压缩机有限公司 | Baffle plate and there is its compressor |
-
2015
- 2015-10-21 CN CN201520829626.3U patent/CN205089630U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221434A (en) * | 2015-10-21 | 2016-01-06 | 珠海凌达压缩机有限公司 | Baffle plate and there is its compressor |
| CN105221434B (en) * | 2015-10-21 | 2017-11-21 | 珠海凌达压缩机有限公司 | Baffle plate and there is its compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160316 Effective date of abandoning: 20171121 |