CN202926551U - Novel silencer - Google Patents
Novel silencer Download PDFInfo
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- CN202926551U CN202926551U CN 201220564438 CN201220564438U CN202926551U CN 202926551 U CN202926551 U CN 202926551U CN 201220564438 CN201220564438 CN 201220564438 CN 201220564438 U CN201220564438 U CN 201220564438U CN 202926551 U CN202926551 U CN 202926551U
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- air inlet
- expansion cylinder
- suction tude
- ring
- inner tube
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Abstract
The utility model discloses a novel silencer, and belongs to the field of compressor accessories. The novel silencer comprises an air inlet pipe, an air inlet inner pipe, an expansion cylinder and an air outlet pipe, wherein the air inlet inner pipe is arranged inside the expansion cylinder, and the air inlet pipe and the air outlet pipe are arranged outside the expansion cylinder. The novel silencer further comprises a rear cover. One end of the air inlet pipe is connected with the expansion cylinder, one end of the air outlet pipe is connected with the expansion cylinder through the rear cover, one end of the air inlet inner pipe is connected with the air inlet pipe, the other end of the air inlet inner pipe is an inner pipe opening, and the inner pipe opening is horn-shaped. After airflow enters the novel silencer, an erasure effect is firstly carried out at the position of the inner pipe opening, the airflow forms backflow in the inner pipe opening, flow rate is weakened, not only is the erasure effect good, but also impact force of the airflow is greatly reduced, and the novel silencer has the advantages of being simple in structure, good in erasure effect, convenient to machine, reasonable in design and easy to manufacture.
Description
Technical field
The utility model belongs to compressor accessory field, specifically, relates to a kind of baffler be used to weakening or suppress noise, more particularly, relates to a kind of Novel muffler.
Background technique
As household electric appliance commonly used in daily life, the application of chiller plant (for example air-conditioning, refrigerator and refrigerator-freezer) is more and more extensive.Chiller plant is because itself being affected by its system, and in the process of compressor normal operation, system can produce a series of noise, mainly comprises: refrigeration agent eruption, the sound that flows, compressor operating sound, system unit (condenser, vaporizer) resonance sound.The noise that produces in order to alleviate chiller plant, prior art adopt transition tube to alleviate the noise that chiller plant produces usually, and capillary tube is inserted in transition tube.Capillary tube is when the ejector refrigeration agent, and the part that capillary tube is inserted in transition tube will produce vibration in transition tube, thereby alleviates the noise of chiller plant.So baffler has become the parts of chiller plant indispensability.
The kind of baffler is a lot, but studies carefully its noise elimination mechanism, can be divided into six kinds of main types to them again, i.e. resistive muffler, resistant noise-reducing device, impedance complex formula baffler, microperforated panel baffler, aperture baffler and active baffler.The most frequently used in air-conditioning is the resistant noise-reducing device, is that pipe and the chamber by abrupt interface combines.Choosing suitable pipe and chamber makes up. and just can filter the noise of some frequency content, thereby reach the purpose of noise elimination.The resistant noise-reducing device is applicable in elimination, low-frequency noise.
China Patent No. 201010240989.5 in open day on October 27th, 2010, discloses the patent document that a name is called baffler.This invention has proposed a kind of baffler, comprises first portion and second portion that combination is installed, and described first portion is the L shaped plate body, and its turning point extends upward the exhaust passage; Described second portion is L shaped housing, comprise diapire and around the upwardly extending sidewall of described diapire, described diapire and sidewall form internal cavities jointly, starting end at L shaped housing extends a gas-entered passageway towards the turning point direction, described gas-entered passageway communicates with described internal cavities, the sidewall of the turning point of L shaped housing extends the guide plate of a pair of almost parallel towards described gas-entered passageway direction, an opening and the described gas-entered passageway of described guide plate, another is opening up, and its position is relative with the position of the exhaust passage of described first portion.This baffler has adopted relatively simple structure to realize the effective attenuation of noise, and its shape takes full advantage of the inner space of compressor, has effectively reduced self size, thereby can effectively reduce the apparent size of compressor complete machine.But this baffler exists complex structure, complex production process, processing difficulties, the shortcoming that cost of production is high.
Chinese patent application 201010582506.X, open day on 04 27th, 2011, the patent document that a kind of name is called a kind of silencer for refrigerant line of automotive of automotive air-conditioning system is disclosed, this disclosure of the invention a kind of silencer for refrigerant line of automotive of automotive air-conditioning system, comprise muffler body, be located at muffler body one side suction tude, be located at the steam outlet pipe of muffler body opposite side, described muffler body inside is provided with dividing plate, and described dividing plate is provided with eccentric pipeline.Comprise the dividing plate that is provided with eccentric pipeline in silencer for refrigerant line of automotive due to described automotive air-conditioning system, can obtain reexpansion in the first cavity and the second cavity after refrigerant gas enters and part acoustic energy is converted into potential energy, produce simultaneously turbulent flow and make along the acoustic energy of pipe transmmision and partly turn back, can effectively reduce the hydrodynamic noise of refrigeration agent in refrigerant line like this.This invention is simple in structure, and it is convenient to use.Although this kind baffler has comparatively simple chamber structure, its erasure effect is undesirable, exists the refrigerant gas impact force large, the problem that erasure effect is not good.
Summary of the invention
The problem that solves
For existing silencing apparatus refrigerant gas is large to the impact force of baffler, erasure effect is undesirable, complex structure and the high problem of processing cost, the utility model provides a kind of Novel muffler, and good muffling effect is simple in structure, and cost of production is low.
Technological scheme
For addressing the above problem, the utility model adopts following technological scheme.
A kind of Novel muffler comprises suction tude, air inlet inner tube, expansion cylinder and steam outlet pipe, and described air inlet inner tube is positioned at the inside of expansion cylinder; Described suction tude and steam outlet pipe are positioned at the outside of expansion cylinder, also comprise bonnet, and an end of described suction tude is connected with expansion cylinder; One end of described steam outlet pipe is connected with expansion cylinder by bonnet; One end of described air inlet inner tube is connected with suction tude, and the other end is inner spout; Described inner spout is tubaeform.
Further, the included angle A of described inner spout and air inlet inner tube outer surface is 120-150 °.
Further, the included angle A of described inner spout and air inlet inner tube outer surface is 135 °.This angle is the angle of best erasure effect.
Further, there is back-up ring described inner spout inboard, and described back-up ring is ring.
Further, the quantity of described back-up ring is 1-6.
Further, the quantity of described back-up ring is 3.
Further, near suction tude to away from the interior ring diameter of the back-up ring of suction tude successively from diminishing greatly.
Further, described inner spout place is placed with silencing cotton.
Further, described suction tude and steam outlet pipe are copper product, and air inlet inner tube, expansion cylinder and bonnet are stainless steel material.
Beneficial effect
Than prior art, the beneficial effects of the utility model are:
(1) the utility model comprises suction tude, the air inlet inner tube, expansion cylinder and steam outlet pipe, also comprise bonnet, one end of suction tude is connected with expansion cylinder, one end of steam outlet pipe is connected with expansion cylinder by bonnet, one end of air inlet inner tube is connected with suction tude, the other end is inner spout, inner spout is tubaeform, after sound enters baffler, at first in the place's expansion of flaring inner spout, and the included angle A of inner spout and air inlet inner tube outer surface is 120-150 °, in the process of expansion, the flow velocity of air-flow reduces, play erasure effect, then quadratic extension in expansion cylinder, good muffling effect not only, and the impact force of air-flow reduces greatly,
(2) included angle A of the utility model inner spout and air inlet inner tube outer surface is 135 °, and through verification experimental verification, this angle can obtain best erasure effect;
(3) there is back-up ring the utility model inner spout inboard, back-up ring is ring, the quantity of back-up ring is 1-6, from near suction tude to away from the interior ring diameter of the back-up ring of suction tude successively from diminishing greatly, when air-flow enters from suction tude, air-flow can produce internal reflux at inner spout, not only reduced the speed of gas outflow inner spout, and in the process that refluxes, the kinetic transformation of gas is for heat energy, when flowing into expansion cylinder Deng gas, the flow velocity of air-flow is in the low speed state, whole good muffling effect;
(4) the utility model suction tude and steam outlet pipe are copper product, and air inlet inner tube, expansion cylinder and bonnet are stainless steel material, and not only the cost of material is low, and can timely the heat of gas in inner spout place's generation be conducted;
(5) the utility model inner spout place is placed with silencing cotton, can further strengthen erasure effect.
Description of drawings
Fig. 1 is sectional view of the present utility model;
Fig. 2 is the utility model embodiment 3 sectional view.
In figure: 1, suction tude; 2, air inlet inner tube; 3, expansion cylinder; 4, steam outlet pipe; 5, bonnet; 201, inner spout; 202, back-up ring.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment 1
As shown in Figure 1, a kind of Novel muffler comprises suction tude 1, air inlet inner tube 2, expansion cylinder 3 and steam outlet pipe 4, and air inlet inner tube 2 is positioned at the inside of expansion cylinder 3; Suction tude 1 and steam outlet pipe 4 are positioned at the outside of expansion cylinder 3, also comprise bonnet 5, and suction tude 1 and steam outlet pipe 4 are copper product, and air inlet inner tube 2, expansion cylinder 3 and bonnet 5 are stainless steel material.One end of suction tude 1 is connected with expansion cylinder 3; One end of steam outlet pipe 4 is connected with expansion cylinder 3 by bonnet 5; One end of air inlet inner tube 2 is connected with suction tude 1, and the other end is inner spout 201; Inner spout 201 is tubaeform.Inner spout 201 is 120-150 ° with the included angle A of air inlet inner tube 2 outer surfaces.This angular range erasure effect is all relatively good, and it is 135 ° that the present embodiment is preferably selected inner spout 201 and the included angle A of air inlet inner tube 2 outer surfaces.
With embodiment 1, difference inner spout 201 is 150 ° with the included angle A of air inlet inner tube 2 outer surfaces, and inner spout 201 places also are placed with silencing cotton.
Embodiment 3
As shown in Figure 2, a kind of Novel muffler comprises suction tude 1, air inlet inner tube 2, expansion cylinder 3 and steam outlet pipe 4, and air inlet inner tube 2 is positioned at the inside of expansion cylinder 3; Suction tude 1 and steam outlet pipe 4 are positioned at the outside of expansion cylinder 3, also comprise bonnet 5, and suction tude 1 and steam outlet pipe 4 are copper product, and air inlet inner tube 2, expansion cylinder 3 and bonnet 5 are stainless steel material.One end of suction tude 1 is connected with expansion cylinder 3; One end of steam outlet pipe 4 is connected with expansion cylinder 3 by bonnet 5; One end of air inlet inner tube 2 is connected with suction tude 1, and the other end is inner spout 201; Inner spout 201 is tubaeform.Inner spout 201 is 120 with the included angle A of air inlet inner tube 2 outer surfaces.There is back-up ring 202 inner spout 201 inboards, back-up ring 202 is ring, the quantity of back-up ring 202 is 1-6, from near suction tude 1 to away from the interior ring diameter of the back-up ring 202 of suction tude 1 successively from diminishing greatly, back-up ring 202 quantity are more, erasure effect is better, considers erasure effect and cost, and the present embodiment has preferably been selected 3 back-up rings 202.
Embodiment 4
With embodiment 3, difference inner spout 201 is 140 ° with the included angle A of air inlet inner tube 2 outer surfaces, and inner spout 201 places also are placed with silencing cotton, and the quantity of back-up ring 202 is 1.
With embodiment 3, difference is that the quantity of back-up ring 202 is 6.
Below schematically the utility model and mode of execution thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of mode of execution of the present utility model, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, create aim in the situation that do not break away from the utility model, without the creationary mode of structure similar to this technological scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (9)
1. a Novel muffler, comprise suction tude (1), air inlet inner tube (2), expansion cylinder (3) and steam outlet pipe (4), and described air inlet inner tube (2) is positioned at the inside of expansion cylinder (3); Described suction tude (1) and steam outlet pipe (4) are positioned at the outside of expansion cylinder (3), it is characterized in that: also comprise bonnet (5), an end of described suction tude (1) is connected with expansion cylinder (3); One end of described steam outlet pipe (4) is connected with expansion cylinder (3) by bonnet (5); One end of described air inlet inner tube (2) is connected with suction tude (1), and the other end has inner spout (201); Described inner spout (201) is tubaeform.
2. a kind of Novel muffler according to claim 1 is characterized in that: described inner spout (201) is 120-150 ° with the included angle A of air inlet inner tube (2) outer surface.
3. a kind of Novel muffler according to claim 1 is characterized in that: described inner spout (201) is 135 ° with the included angle A of air inlet inner tube (2) outer surface.
4. a kind of Novel muffler according to claim 2 is characterized in that: there is back-up ring (202) described inner spout (201) inboard, and described back-up ring (202) is ring.
5. a kind of Novel muffler according to claim 4 is characterized in that: the quantity of described back-up ring (202) is 1-6.
6. a kind of Novel muffler according to claim 5, it is characterized in that: the quantity of described back-up ring (202) is 3.
7. the described a kind of Novel muffler of any one according to claim 4-6 is characterized in that: near suction tude (1) to away from the interior ring diameter of the back-up ring (202) of suction tude (1) successively from diminishing greatly.
8. the described a kind of Novel muffler of any one according to claim 1-6, it is characterized in that: described inner spout (201) locates to be placed with silencing cotton.
9. a kind of Novel muffler according to claim 1, it is characterized in that: described suction tude (1) and steam outlet pipe (4) are copper product, and air inlet inner tube (2), expansion cylinder (3) and bonnet (5) are stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220564438 CN202926551U (en) | 2012-10-31 | 2012-10-31 | Novel silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220564438 CN202926551U (en) | 2012-10-31 | 2012-10-31 | Novel silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202926551U true CN202926551U (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220564438 Expired - Fee Related CN202926551U (en) | 2012-10-31 | 2012-10-31 | Novel silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202926551U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156333A (en) * | 2015-09-25 | 2015-12-16 | 珠海凌达压缩机有限公司 | Upper cover assembly, compressor and heat exchange equipment |
| CN106169877A (en) * | 2016-07-29 | 2016-11-30 | 芜湖迈特电子科技有限公司 | Low noise vehicle-mounted inverter |
-
2012
- 2012-10-31 CN CN 201220564438 patent/CN202926551U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156333A (en) * | 2015-09-25 | 2015-12-16 | 珠海凌达压缩机有限公司 | Upper cover assembly, compressor and heat exchange equipment |
| CN106169877A (en) * | 2016-07-29 | 2016-11-30 | 芜湖迈特电子科技有限公司 | Low noise vehicle-mounted inverter |
| CN106169877B (en) * | 2016-07-29 | 2018-09-28 | 芜湖迈特电子科技有限公司 | Low noise vehicle-mounted inverter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20151031 |
|
| EXPY | Termination of patent right or utility model |