CN1715673A - Rotary compressor with noise reducer - Google Patents
Rotary compressor with noise reducer Download PDFInfo
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- CN1715673A CN1715673A CN 200410019812 CN200410019812A CN1715673A CN 1715673 A CN1715673 A CN 1715673A CN 200410019812 CN200410019812 CN 200410019812 CN 200410019812 A CN200410019812 A CN 200410019812A CN 1715673 A CN1715673 A CN 1715673A
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- cylinder
- axis hole
- rotating shaft
- gas channel
- auxiliary bearing
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Abstract
The rotary compressor with noise reducer includes annular cylinder fixed inside the casing; main bearing covering one side of the cylinder to constitute one inside space together with the cylinder and supporting radial the rotating shaft combined to the driving motor inside its shaft hole; auxiliary bearing; rolling piston; blades and silencer. One gas passage is set on one side of the cylinder, the main bearing and the auxiliary bearing to guide the refrigerant gas from the silencer to the outlet, and sound absorbing material is set inside the gas passage to absorb noise the output refrigerant gas produces. The present invention can reduce the noise of the refrigerant gas the compressing mechanism outputs effectively.
Description
Technical field
The present invention relates to a kind of rotary compressor with noise reduction apparatus.
Background technique
Usually, rotary compressor with rotating shaft that motor drive mechanism combines on the eccentric rolling piston that compressing mechanism is set, rolling piston rotates in the circular cylinder inner space thus, absorbs compression and output refrigeration agent.
As shown in Figure 1 and Figure 2, existing rotary compressor comprises: a certain amount of machine oil of packing into, the casing 1 that communicates with sucking pipe SP and outlet pipe DP; Be arranged on the top of casing, the motor drive mechanism of rotating force is provided; Be arranged on the bottom of casing, utilize the compressing mechanism of the rotating force compressed refrigerant of motor drive mechanism generation.
Motor drive mechanism comprises: be fixed on the stator Ms that the inside of casing 1 is connected with external power supply; Inside at stator Ms is arranged at a distance of certain space, is constituting with the interactional rotor Mr that is rotated motion simultaneously of this stator Ms.
Compressing mechanism comprises: adopt loop configuration, be arranged on the cylinder 2 of casing 1 inside; Cover the both sides up and down of cylinder 2, together constitute the main bearing 3 and the auxiliary bearing 4 of inner space; Be pressed in the rotor 2, support, transmit the rotating shaft 5 of rotating force by main bearing 3 and auxiliary bearing 4; Be arranged on the eccentric structure of rotating shaft 5 rolling piston 6 of compressed refrigerant in the rotation of the inner space of cylinder 2 rotationally; For the outer cylinder with rolling piston 6 joins, can be arranged on the cylinder 2 with moving radially, the inner space V of described cylinder 2 is divided into the blade (not shown) of suction chamber and pressing chamber; Delivery outlet 4a front end on the middle position that is arranged on auxiliary bearing 4 to be opened/closed, the output valve assembly 7 that limits for the refrigerant gas of pressing chamber output; Have the resonant chamber S that can hold output valve assembly 7, be arranged on the silencing apparatus 8 on the outer side surface of auxiliary bearing 4.
Cylinder 2 carries out relative movement in order to make described rolling piston 6, the inner space V of looping, and on its side, be provided with the 2nd gas channel 2a of the refrigerant gas guiding after the compression to the casing 1.
Main bearing 3 adopts discoidal structure, is provided with the axis hole 3a that runs through rotating shaft 5 in the central on the position, and in the side of axis hole 3a the 3rd gas channel 3b to the inside of casing 1 output refrigerant gas is set.
Auxiliary bearing 4 adopts discoidal structure, its middle position setting runs through the axis hole 4a of rotating shaft 5, and the delivery outlet 4b of the refrigerant gas of discharging pressing chamber inside is set in the side of axis hole 4a, and around delivery outlet 4b, being provided with and will outputing to the 1st gas channel 4c of the refrigerant gas guiding of cylinder 2 inside to casing 1 inside.
All identical at above-mentioned the 1st gas channel 4c with the internal diameter of the 2nd gas channel 2a and the 3rd gas channel 3b.
There is not the label 2b of explanation to represent intakeport among the figure.
The working procedure of above-mentioned existing rotary compressor is as follows.
After the stator Ms energising of motor drive mechanism, when rotor Mr began to rotate, the rotating shaft 5 of compressing mechanism was rotated with rotor Mr.At this moment, rolling piston 6 carries out the off-centre rotation in the inside of cylinder 2, refrigerator gas is sucked into the inside of suction chamber whereby, be compressed continuously, the moment of the pressure in the pressure of pressing chamber surpasses casing 1, export in the silencing apparatus 8 by the delivery outlet 4b on the auxiliary bearing 4, in process through the resonant chamber S in the silencing apparatus 8, its noise is weakened, and (4c → 2a → 3b) export casing 1 inside earlier to exports in the cooling cycle system by outlet pipe DP afterwards by each gas channel then.
But, in the above-mentioned rotary compressor, though utilize the noise of resonant chamber S reduction refrigerant gas, still remaining a part of noise, the noise of increase whole compressor.
Summary of the invention
In order to overcome the above-mentioned shortcoming that existing rotary compressor exists, the noise that the invention provides a kind of rotary compressor reduces structure, and it can effectively reduce the noise of the refrigerant gas of compressing mechanism output.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of rotary compressor with noise reduction apparatus comprises cylinder, main bearing, auxiliary bearing, rolling piston, blade and silencing apparatus, and circular cylinder is fixedly installed on casing inside; Main bearing covers a side of cylinder, and one constitutes the inner space with it, and has axis hole, and the inboard of running through axis hole is provided with the rotating shaft that combines with drive motor, and rotating shaft is supported by radial direction by axis hole; Auxiliary bearing covers another side of cylinder, one constitutes the inner space with it, and be formed with axis hole, the inboard of running through axis hole is provided with rotating shaft, rotating shaft is supported by radial direction by axis hole, side at bearing is formed with the delivery outlet that communicates with the inner space of cylinder, can make pressurized gas flow to casing inside by delivery outlet; Rolling piston is arranged on the rotating shaft eccentric structure in the cylinder rotationally, and refrigerant conveying gas when carrying out eccentric rotation; Blade is arranged between the suction port and delivery outlet of cylinder, carries out the radial alignment motion when rolling piston carries out the off-centre rotation, isolates refrigerant gas thus; Silencing apparatus has the resonant chamber that can hold the auxiliary bearing delivery outlet, and is fixed in the rotary compressor of silencing apparatus of described auxiliary bearing; It is characterized in that, side at cylinder and main bearing and auxiliary bearing, gas channel is set, make gas channel outputing to the refrigerant gas water conservancy diversion of silencing apparatus to outlet pipe by delivery outlet, the inside of this gas channel is inserted sound absorbing material is set, the noise that produces during the output of absorption refrigeration agent gas.
Aforesaid rotary compressor with noise reduction apparatus, wherein sound absorbing material adopts reticular structure.
The present invention solves its technical problem also can adopt following technological scheme:
A kind of rotary compressor with noise reduction apparatus comprises cylinder, main bearing, auxiliary bearing, rolling piston, blade and silencing apparatus; Circular cylinder is fixedly installed on casing inside; Main bearing covers a side of cylinder, and one constitutes the inner space with it, and has axis hole, and the inboard of running through axis hole is provided with the rotating shaft that combines with drive motor, and rotating shaft is supported by radial direction by axis hole; Auxiliary bearing covers another side of cylinder, one constitutes the inner space with it, and be formed with axis hole, the inboard of running through axis hole is provided with rotating shaft, rotating shaft is supported by radial direction by axis hole, side at bearing is formed with the delivery outlet that communicates with the inner space of cylinder, can make pressurized gas flow to casing inside by delivery outlet; Rolling piston is arranged on the rotating shaft eccentric structure in the cylinder rotationally, and refrigerant conveying gas when carrying out eccentric rotation; Blade is arranged between the suction port and delivery outlet of cylinder, carries out the radial alignment motion when rolling piston carries out the off-centre rotation, isolates refrigerant gas thus; Silencing apparatus has the resonant chamber that can hold the auxiliary bearing delivery outlet, and is fixed in the rotary compressor of silencing apparatus of described auxiliary bearing; It is characterized in that the side at cylinder and main bearing and auxiliary bearing is provided with gas channel, make gas channel the refrigerant gas water conservancy diversion that outputs to silencing apparatus by delivery outlet to outlet pipe, the inside of this gas channel formation sympathetic response structure.
Aforesaid rotary compressor with noise reduction apparatus wherein by the cylinder gas channel width being designed to the mode greater than main bearing and auxiliary bearing gas channel width, forms the sympathetic response space.
Aforesaid rotary compressor with noise reduction apparatus wherein on the gas channel of cylinder, is provided with the intercommunication passage that intersects vertically with it substantially, and at the end of intercommunication passage expansive space is set, and forms the sympathetic response space by described mode.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the sectional drawing of existing rotary compressor example,
Fig. 2 is the sectional drawing of the refrigeration agent output channel in the existing rotary compressor,
Fig. 3 is the sectional drawing of the partial structurtes of rotary compressor of the present invention,
Fig. 4 is the ground plan of the compressing mechanism of rotary compressor of the present invention,
Fig. 5 is an embodiment's of the rotary compressor with a noise reduction apparatus of the present invention sectional drawing.
Fig. 6 is another embodiment's of the rotary compressor with a noise reduction apparatus of the present invention sectional drawing.
The number in the figure explanation:
1: casing 5: rotating shaft
6: rolling piston 7: the output valve assembly
8: silencing apparatus 10: cylinder
Gas channel 12 in 11: the 2: suction port
13: intercommunication passage 14: the sympathetic response space
20: main bearing 21: axis hole
31: axis hole 32: delivery outlet
Gas channel 40 in 33: the 1: sound absorbing material
S: resonant chamber
Embodiment
Comprise in the rotary compressor of the present invention: the casing 1 that communicates with sucking pipe SP and outlet pipe DP; Be arranged on casing 1 inside, constitute the motor drive mechanism that produces rotating force by stator Ms and rotor Mr; Combine with the rotor Mr of motor drive mechanism, utilize its rotating force to suck, the compressing mechanism of compression and output refrigerant gas.
The sidewall that sucking pipe SP runs through casing 1 communicates with the pressing chamber of cylinder 10, and outlet pipe DP is connected with the first half of casing 1, and the other end utilizes the condenser in the refrigerant pipe connection cooling cycle system.
Compressing mechanism comprises: the cylinder 10 that is arranged on casing 1 inside; Cover the both sides up and down of cylinder 10, together constitute main bearing 20 and the auxiliary bearing 30 of inner space V; Be pressed in the rotor Mr, support, transmit the rotating shaft 5 of rotating force by main bearing 20 and auxiliary bearing 30; Be arranged on the eccentric structure of rotating shaft 5 rolling piston 6 of compressed refrigerant in the inner space of cylinder 10 V rotation rotationally; For the outer cylinder with rolling piston 6 joins, can be arranged on the cylinder 10 with moving radially, the inner space V of cylinder 10 is divided into the blade (not shown) of suction chamber and pressing chamber; Near delivery outlet 32 head ends of middle position that are arranged on auxiliary bearing 30 to be opened/closed, the output valve assembly 7 that the refrigerant gas of exporting for pressing chamber limits; Have the resonant chamber S that can hold output valve assembly 7, be arranged on the silencing apparatus 8 on the outer side surface of auxiliary bearing 30; Be inserted in the 2nd gas channel 11 on the cylinder 10, absorb sound absorbing material 40 by the residual noise that moves to outlet pipe DP behind the silencing apparatus 8.
Cylinder 10 adopts loop configuration, and its side is run through the 2nd axial gas channel 11 is set, and main bearing 20 is provided with the 2nd gas channel 22 that axially communicates in the upper end of the 2nd gas channel 11; Auxiliary bearing 30 is provided with the 1st gas channel 33 that axially communicates in the lower end of the 2nd gas channel 11.
The 1st gas channel 33 is all identical with the diameter of the 2nd gas channel 11 and the 3rd gas channel 22, and the 1st gas channel 33 wherein is arranged in the resonant chamber S of silencing apparatus 8.
As shown in Figure 3 and Figure 4, insert netted sound absorbing material 40 in the inside of the 2nd gas channel 11, if consider the temperature of refrigerant gas, sound absorbing material 40 should adopt the metal of good heat resistance.
Though not shown in the figures, above-mentioned sound absorbing material 40 can insert the 1st gas channel 33 or the 3rd gas channel 22 and the 1st, the 2 uniformly, in the 3rd gas channel 33,11,22.
Part same as the prior art among the figure is used identical label.
The label 12 expression suction ports that do not have explanation among the figure, 21 expression axis holes, 31 expression axis holes, 32 expression delivery outlets.
The noise of rotary compressor of the present invention reduces structure and has following effect.
After the stator Ms energising of motor drive mechanism, when rotor Mr began to rotate, the rotating shaft 5 of compressing mechanism was rotated with rotor Mr.At this moment, rolling piston 6 carries out the off-centre rotation at the inner space of cylinder 10 V, refrigerator gas is sucked into the inside of the suction chamber of cylinder 10 whereby, be compressed continuously, when the pressure of the pressing chamber of cylinder 10 surpasses moment of the pressure in the casing 1, export in the silencing apparatus 8 by delivery outlet 32, in the process of the resonant chamber S in passing through silencing apparatus 8, its noise is weakened, exports casing 1 inside to.
Because delivery outlet 32 is set on auxiliary bearing 30, refrigerant gas is at first exported downwards by the pressure that cylinder 10 produces, after moving to the 1st gas channel 33 of auxiliary bearing 30 along the resonant chamber S of silencing apparatus 8 then, the 2nd gas channel 11 by the 1st gas channel 33 and cylinder 10 and the 3rd gas channel 22 of main bearing 20 output to the inside of casing 1.At this moment, owing to be provided with netted sound absorbing material 40 in the inside of the 2nd gas channel 11, the noise that has passed through each gas channel (33 → 11 → 22) with refrigerant gas is attracted material 40 absorptions, thereby has weakened the residual noise that does not absorb fully in the silencing apparatus 8.
Another embodiment's of rotary compressor noise reduction structure of the present invention main contents are as follows.
In the foregoing embodiments, be provided with attractive material 40 in the inside of gas channel, and in the present embodiment, be provided with the sympathetic response space in the inside of gas channel, weakened noise.
As shown in Figure 5, the inside diameter D 2 that is arranged in the cylinder 10 is designed to greater than the 1st gas channel 33 of both sides and the inside diameter D 1 of the 2nd gas channel 22, perhaps as shown in Figure 6, the intermediate radial of the 2nd gas channel 11 on its cylinder 10 is provided with narrow intercommunication passage 13, and in the bigger sympathetic response space 14 of the end setting of intercommunication passage 13.Make refrigerant gas noise thus by described gas channel, weakened in weakened or the sympathetic response space 14 in the 2nd gas channel 11 of cylinder 10 at intercommunication passage 13.
Through above-mentioned process, the output noise that produces during refrigerant gas output by silencing apparatus and refrigeration agent output channel absorption or weakened, can effectively reduce the noise of compressor thus, thereby further improve the credit worthiness of compressor.
The effect of invention
The reduction noise device of rotary compressor of the present invention is established at cylinder and base bearing and auxiliary bearing Put gas passage, and be provided with sound-absorbing material or the sympathetic response space is set in the inside of gas passage, thus can Effectively reducing the output noise that refrigerant gas when output produces, and reduce the noise of whole compressor, Improve the credit worthiness of product.
Claims (5)
1, a kind of rotary compressor with noise reduction apparatus comprises cylinder, main bearing, auxiliary bearing, rolling piston, blade and silencing apparatus, and circular cylinder is fixedly installed on casing inside; Main bearing covers a side of cylinder, and one constitutes the inner space with it, and has axis hole, and the inboard of running through axis hole is provided with the rotating shaft that combines with drive motor, and rotating shaft is supported by radial direction by axis hole; Auxiliary bearing covers another side of cylinder, one constitutes the inner space with it, and be formed with axis hole, the inboard of running through axis hole is provided with rotating shaft, rotating shaft is supported by radial direction by axis hole, side at bearing is formed with the delivery outlet that communicates with the inner space of cylinder, can make pressurized gas flow to casing inside by delivery outlet; Rolling piston is arranged on the rotating shaft eccentric structure in the cylinder rotationally, and refrigerant conveying gas when carrying out eccentric rotation; Blade is arranged between the suction port and delivery outlet of cylinder, carries out the radial alignment motion when rolling piston carries out the off-centre rotation, isolates refrigerant gas thus; Silencing apparatus has the resonant chamber that can hold the auxiliary bearing delivery outlet, and is fixed in the rotary compressor of silencing apparatus of described auxiliary bearing; It is characterized in that,
Side at cylinder and main bearing and auxiliary bearing, gas channel is set, make gas channel the refrigerant gas water conservancy diversion that outputs to silencing apparatus by delivery outlet to outlet pipe, the inside of this gas channel is inserted sound absorbing material is set, the noise of generation during the output of absorption refrigeration agent gas.
2, the rotary compressor with noise reduction apparatus according to claim 1 is characterized in that described sound absorbing material adopts reticular structure.
3, a kind of rotary compressor with noise reduction apparatus comprises cylinder, main bearing, auxiliary bearing, rolling piston, blade and silencing apparatus;
Circular cylinder is fixedly installed on casing inside; Main bearing covers a side of cylinder, and one constitutes the inner space with it, and has axis hole, and the inboard of running through axis hole is provided with the rotating shaft that combines with drive motor, and rotating shaft is supported by radial direction by axis hole; Auxiliary bearing covers another side of cylinder, one constitutes the inner space with it, and be formed with axis hole, the inboard of running through axis hole is provided with rotating shaft, rotating shaft is supported by radial direction by axis hole, side at bearing is formed with the delivery outlet that communicates with the inner space of cylinder, can make pressurized gas flow to casing inside by delivery outlet; Rolling piston is arranged on the rotating shaft eccentric structure in the cylinder rotationally, and refrigerant conveying gas when carrying out eccentric rotation; Blade is arranged between the suction port and delivery outlet of cylinder, carries out the radial alignment motion when rolling piston carries out the off-centre rotation, isolates refrigerant gas thus; Silencing apparatus has the resonant chamber that can hold the auxiliary bearing delivery outlet, and is fixed in the rotary compressor of silencing apparatus of described auxiliary bearing; It is characterized in that,
Side at cylinder and main bearing and auxiliary bearing is provided with gas channel, make gas channel the refrigerant gas water conservancy diversion that outputs to silencing apparatus by delivery outlet to outlet pipe, the inside of this gas channel formation sympathetic response structure.
4, the rotary compressor with noise reduction apparatus according to claim 3 is characterized in that,
By the cylinder gas channel width being designed to mode, form the sympathetic response space greater than main bearing and auxiliary bearing gas channel width.
5, the rotary compressor with noise reduction apparatus according to claim 3, it is characterized in that, on the gas channel of cylinder, the intercommunication passage that intersects vertically with it substantially is set, and expansive space is set at the end of intercommunication passage, form the sympathetic response space by described mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410019812 CN1715673A (en) | 2004-06-28 | 2004-06-28 | Rotary compressor with noise reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410019812 CN1715673A (en) | 2004-06-28 | 2004-06-28 | Rotary compressor with noise reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1715673A true CN1715673A (en) | 2006-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410019812 Pending CN1715673A (en) | 2004-06-28 | 2004-06-28 | Rotary compressor with noise reducer |
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| Country | Link |
|---|---|
| CN (1) | CN1715673A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500402A (en) * | 2014-12-16 | 2015-04-08 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN105804974A (en) * | 2016-05-11 | 2016-07-27 | 珠海凌达压缩机有限公司 | Compressor pump body structure, compressor and air conditioner |
-
2004
- 2004-06-28 CN CN 200410019812 patent/CN1715673A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500402A (en) * | 2014-12-16 | 2015-04-08 | 广东美芝制冷设备有限公司 | Rotary compressor |
| CN105804974A (en) * | 2016-05-11 | 2016-07-27 | 珠海凌达压缩机有限公司 | Compressor pump body structure, compressor and air conditioner |
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Open date: 20060104 |