CN105202009A - Compressor bearing and compressor provided with same - Google Patents
Compressor bearing and compressor provided with same Download PDFInfo
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- CN105202009A CN105202009A CN201510751363.3A CN201510751363A CN105202009A CN 105202009 A CN105202009 A CN 105202009A CN 201510751363 A CN201510751363 A CN 201510751363A CN 105202009 A CN105202009 A CN 105202009A
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Abstract
The invention discloses a compressor bearing and a compressor provided with the compressor bearing. The compressor bearing comprises a bearing body, and a plurality of flow distribution channels, wherein the bearing body is provided with an exhausting hole and a concave exhausting channel; the exhausting hole is communicated with the concave exhausting channel; and the plurality of flow distribution channels are arranged in the concave exhausting channel and are communicated with the exhausting hole. The plurality of flow distribution channels are arranged in the concave exhausting channel so that airflow can be divided into a plurality of small airflows; and turbulent flows and vortex noises, which are generated in the flow distribution channels by the small airflows, are small, pressure pulse of a turbulent flow boundary layer in the concave exhausting channel can be reduced, so that noises are reduced.
Description
Technical field
The present invention relates to Compressor Technology field, particularly relate to a kind of bearing of compressor and there is the compressor of this bearing of compressor.
Background technique
Compressor noise is one of air-conditioning system Main Noise Sources, effectively controls the lifting of this noise to the sound quality of air-conditioning system significant.In compressor noise, the pneumatic noise that exhaust process produces is the topmost noise of compressor.
The production process of compressor airflow noise is: when air-flow sprays from the gap of relief opening and exhaust valve plate, and air-flow forms turbulent flow and eddy current, and continuous formation and the shattered to pieces process of eddy current can produce strong pneumatic noise, and turbulent flow also can produce noise.
In correlation technique, the method lowering pneumatic noise increases baffler or He Muhuohe bloop, and these two kinds of bafflers are all resistant noise-reducing devices, and both Method And Principle increases impedance on the passage of sound, the sound of this frequency is attenuated, thus reaches the object of noise elimination.Wherein, use the shortcoming of baffler to be the flow resistance that can increase refrigerant flowing, compressor efficiency is reduced.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the present invention proposes a kind of bearing of compressor that can reduce compressor air-discharging noise.
The present invention proposes a kind of compressor further.
According to bearing of compressor of the present invention, comprising: bearing body, described bearing body is provided with exhaust port and depression exhaust passage, described exhaust port is connected with described depression exhaust passage; Multiple split channel, described multiple split channel to be arranged in described depression exhaust passage and to be communicated with described exhaust port.
According to bearing of compressor of the present invention, by arranging multiple split channel on depression exhaust passage, the air-flow of discharging from exhaust port can be made to be divided into multiple little airflow, and multiple little airflow enters in multiple split channel respectively, and the little airflow entered in split channel can flow in the length direction of split channel, when little airflow flows, little airflow can produce eddy current and turbulent flow, but split channel can reduce the Turbulent Boundary Layer pressure pulsation in depression exhaust passage, thus reduces noise.And by differentiation air-flow, the separation that can delay the eddy current that little airflow produces in flow process comes off, thus can reduce the noise to producing in follow-up runner process.In addition, when turbulent flow flows in follow-up runner, the small noise of generation can rapid decay, thus can reduce the noise of compressor further.
In addition, following difference technical characteristics can also be had according to bearing of compressor of the present invention:
In examples more of the present invention, described split channel is close to described exhaust port and is arranged on the sidewall of at least side of described depression exhaust passage.
In examples more of the present invention, described multiple split channel is distributed on two sidewalls respect to one another of described depression exhaust passage, and multiple split channels on each described sidewall extend along the axial direction of described compressor.
In examples more of the present invention, described split channel is close to described exhaust port and is arranged on the diapire of described depression exhaust passage.
In examples more of the present invention, described multiple split channel is distributed on the diapire of described depression exhaust passage, and the multiple split channels be distributed on described diapire extend to the direction away from described exhaust port in the mode of straight line or curve.
In examples more of the present invention, the diapire relative orthogonal of described depression exhaust passage in described compressor shaft to planar tilt arrange, and the multiple split channels be distributed on described diapire extend obliquely along the true dip direction of diapire.
In examples more of the present invention, described depression exhaust passage is provided with multiple muscle, between adjacent described two muscles, limits a described split channel.
In examples more of the present invention, the degree of depth of described split channel is h, and described degree of depth h meets relation: 0.5mm≤h≤5mm.
In examples more of the present invention, the width of rebate of described split channel is w, and width of rebate w and the described degree of depth h of described split channel meet relation: 0.5≤w/h≤2.
In examples more of the present invention, the centre distance between two adjacent described split channels is b, and described centre distance b meets relation: 0.25mm≤b≤15mm.
In examples more of the present invention, described split channel is V-arrangement, rectangle, trapezoidal, circular, oval or discontinuous bar rib shape.
According to compressor of the present invention, comprise: bent axle, cylinder, upper bearing (metal) and lower bearing, described cylinder liner is located on described bent axle, described upper bearing (metal) and described lower bearing to be all set on described bent axle and to lay respectively at the upper side and lower side of described cylinder, and described upper bearing (metal) or described lower bearing are described bearing of compressor.Owing to being provided with multiple split channel in the depression exhaust passage of above-mentioned bearing of compressor, the Turbulent Boundary Layer pressure pulsation in depression exhaust passage can being reduced, thus reduce noise.And by differentiation air-flow, the separation that can delay the eddy current that little airflow produces in flow process comes off, thus can reduce the noise to producing in follow-up runner process.In addition, when turbulent flow flows in follow-up runner, the small noise of generation can rapid decay, thus can reduce the noise of compressor further.
Accompanying drawing explanation
Fig. 1 is the stereogram of the bearing of compressor according to the embodiment of the present invention;
Fig. 2 is the plan view of the bearing of compressor according to the embodiment of the present invention;
Fig. 3 is the sectional view along A-A direction in Fig. 2;
Fig. 4 is the partial sectional view along B-B direction in Fig. 2;
Fig. 5 is the structural representation of the first split channel of bearing of compressor according to the embodiment of the present invention;
Fig. 6 is the structural representation of the second split channel of bearing of compressor according to the embodiment of the present invention;
Fig. 7 is the structural representation of the third split channel of bearing of compressor according to the embodiment of the present invention;
Fig. 8 is the structural representation of the 4th kind of split channel of bearing of compressor according to the embodiment of the present invention;
Reference character:
Bearing of compressor 100;
Bearing body 10; Exhaust port 11; Depression exhaust passage 12; The first side wall 13; Second sidewall 14; Diapire 15;
Split channel 20; Muscle 21.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
Below with reference to the accompanying drawings the bearing of compressor 100 according to the embodiment of the present invention is described in detail.
Bearing of compressor 100 according to the embodiment of the present invention can comprise: bearing body 10 and multiple split channel 20.As depicted in figs. 1 and 2, bearing body 10 is provided with exhaust port 11 and depression exhaust passage 12, exhaust port 11 is connected with depression exhaust passage 12.Wherein caving in, exhaust passage 12 is interior can be provided with exhaust valve plate and lift stopper, and wherein exhaust valve plate is suitable for opening and closing exhaust port 11, and lift stopper effectively can limit the maximum lift of exhaust valve plate.
Multiple split channel 20 is arranged in depression exhaust passage 12, and multiple split channel 20 can be communicated with exhaust port 11.Be understandable that, when exhaust valve plate opens exhaust port 11, the air-flow of discharging from exhaust port 11 can be divided into multiple little airflow and multiple little airflow enters in multiple split channel 20 respectively, and the little airflow entered in split channel 20 can flow in the length direction of split channel 20, when little airflow flows, little airflow can produce eddy current and turbulent flow, the noise that eddy current and turbulent flow produce is little, and split channel 20 can reduce the Turbulent Boundary Layer pressure pulsation in depression exhaust passage 12, thus compressor air-discharging noise can be reduced.And by differentiation air-flow, the separation that can delay the eddy current that little airflow produces in flow process comes off, thus can reduce the noise to producing in follow-up runner process.In addition, when turbulent flow flows in follow-up runner, the small noise of generation can rapid decay, thus can reduce the noise of compressor further.
Two kinds of setting types of the split channel 20 of the bearing of compressor 100 according to the embodiment of the present invention are described below in detail.
The first setting type: as depicted in figs. 1 and 2, split channel 20 adjacent row pore 11, and also split channel 20 is arranged on the sidewall of at least side of depression exhaust passage 12.Preferably, multiple split channel 20 can be distributed on two sidewalls respect to one another of depression exhaust passage 12, and as shown in Figure 3, the multiple split channels 20 on each sidewall extend along the axial direction (above-below direction namely shown in Fig. 1) of compressor.As depicted in figs. 1 and 2, the first side wall 13 and the second sidewall 14 positioned opposite to each other, and the first side wall 13 and the second sidewall 14 are respectively arranged with multiple split channel 20, and the multiple split channels 20 be arranged on the first side wall 13 are set up in parallel, the multiple split channels 20 be arranged on the second sidewall 14 are set up in parallel, split channel 20 exhaust effect be set up in parallel and excellent noise reduction effect.By arranging multiple split channel 20 respectively on the first side wall 13 and the second sidewall 14, the air-flow flowing to the first side wall 13 and the second sidewall 14 from exhaust port 11 can be made to be divided into multiple little airflow respectively, and multiple little airflow enters in corresponding split channel 20 respectively, thus effectively can reduce the exhaust noise of compressor, reduce the noise with the air conditioner of this compressor, improve the comfort of air conditioner.
The second setting type: as shown in Figure 2 and Figure 4, split channel 20 adjacent row pore 11, and also multiple split channel 20 is arranged on the diapire 15 of depression exhaust passage 12.Wherein, alternatively, the multiple split channels 20 be distributed on diapire 15 extend to the direction away from exhaust port 11 in the mode of straight line or curve.Thus, from exhaust port 11 discharge air flow direction diapire 15 time, air-flow can be divided into multiple little airflow, and multiple little airflow can enter in corresponding split channel 20 respectively, thus effectively can reduce the exhaust noise of compressor, reduce the noise with the air conditioner of this compressor, improve the comfort of air conditioner.
Particularly, as shown in Figure 3, diapire 15 relative orthogonal of depression exhaust passage 12 in compressor shaft to planar tilt arrange, and be distributed in multiple split channels 20 on diapire 15 and can extend obliquely along the true dip direction of the diapire 15 of depression exhaust passage 12.Be understandable that, the diapire 15 of depression exhaust passage 12 is obliquely installed, and the multiple split channels 20 be arranged on diapire 15 extend obliquely along the diapire 15 be obliquely installed, and little airflow can be made to tilt upward flowing along the split channel 20 tilting to extend.
Wherein, it should be noted that, as depicted in figs. 1 and 2, the setting type of the split channel 20 of above-mentioned two kinds can be arranged in a bearing of compressor 100 simultaneously and not conflict mutually, and can improve the noise reduction of bearing of compressor 100 further.
Alternatively, as shown in Fig. 4-Fig. 8, exhaust passage 12 can be provided with multiple muscle 21 to depression, limits a split channel 20 between two adjacent muscles 21.By arranging muscle 21, can the adjacent split channel 20 in significant interval, thus little airflow can be made to flow along the length direction of split channel 20, and then the noise reduction of bearing of compressor 100 can be ensured.
According to the bearing of compressor 100 of the embodiment of the present invention, by arranging multiple split channel 20 on depression exhaust passage 12, the air-flow of discharging from exhaust port 11 can be made to be divided into multiple little airflow, and multiple little airflow enters in multiple split channel 20 respectively, and the little airflow entered in split channel 20 can flow in the length direction of split channel 20, when little airflow flows, little airflow can produce eddy current and turbulent flow, eddy current and the turbulent flow noise of generation are little, and split channel 20 can reduce the Turbulent Boundary Layer pressure pulsation in depression exhaust passage 12, thus the exhaust sound of compressor can be reduced.And by differentiation air-flow, the separation that can delay the eddy current that little airflow produces in flow process comes off, thus can reduce the noise to producing in follow-up runner process.In addition, when turbulent flow flows in follow-up runner, the small noise of generation can rapid decay, thus can reduce the noise of compressor further.
In examples more of the present invention, as shown in Figure 5, the degree of depth of split channel 20 is h, and the degree of depth h of split channel 20 can meet relation: 0.5mm≤h≤5mm.Split channel 20 shunting effect meeting above-mentioned relation formula is good, and can be conducive to the noise reducing eddy current and turbulent flow generation further, improves the noise reduction of bearing of compressor 100.
Alternatively, as shown in Figure 5, the width of rebate of split channel 20 is w, and the width of rebate w of split channel 20 and degree of depth h meets relation: 0.5≤w/h≤2.The split channel 20 meeting above-mentioned relation formula arranges rationally, can so that the entering of little airflow, so that the flowing smoothness of little airflow in split channel 20, but also can be conducive to the noise reducing eddy current and turbulent flow generation, improve the noise reduction of bearing of compressor 100.
Alternatively, as shown in Figure 5, the centre distance between two adjacent split channels 20 is b, and centre distance b meets relation: 0.25mm≤b≤15mm.Split channel 20 air inlet meeting above-mentioned relation formula is stablized, and the noise colliding generation between air-flow and muscle 21 can be reduced, air-flow can also be convenient to be divided into little airflow and enter in split channel 20, thus the noise reducing eddy current and turbulent flow generation can be conducive to, improve the noise reduction of bearing of compressor 100.
Below with reference to the accompanying drawings the type of the split channel 20 of the multiple bearing of compressor 100 according to the embodiment of the present invention is introduced.As shown in Figure 5, split channel 20 can be V-arrangement, and as shown in Figure 6, split channel 20 can be trapezoidal, and as shown in Figure 7, split channel 20 can be circular, and as shown in Figure 8, split channel 20 can be rectangle.But the present invention is not limited to this, split channel 20 can also be oval, and split channel 20 can also be discontinuous bar rib shape.
Compressor according to the embodiment of the present invention comprises: bent axle, cylinder, upper bearing (metal) and lower bearing, cylinder liner is located on bent axle, upper bearing (metal) and lower bearing to be all set on bent axle and to lay respectively at the upper side and lower side of cylinder, and upper bearing (metal) or lower bearing are the bearing of compressor 100 of above-described embodiment.Be provided with multiple split channel 20 in depression exhaust passage 12 due to the bearing of compressor 100 of above-described embodiment, the Turbulent Boundary Layer pressure pulsation in depression exhaust passage 12 can be reduced, thus reduce noise.And by differentiation air-flow, the separation that can delay the eddy current that little airflow produces in flow process comes off, thus can reduce the noise to producing in follow-up runner process.In addition, when turbulent flow flows in follow-up runner, the small noise of generation can rapid decay, thus can reduce the noise of compressor further.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (12)
1. a bearing of compressor, is characterized in that, comprising:
Bearing body, described bearing body is provided with exhaust port and depression exhaust passage, described exhaust port is connected with described depression exhaust passage;
Multiple split channel, described multiple split channel to be arranged in described depression exhaust passage and to be communicated with described exhaust port.
2. bearing of compressor according to claim 1, is characterized in that, described split channel is close to described exhaust port and is arranged on the sidewall of at least side of described depression exhaust passage.
3. bearing of compressor according to claim 2, it is characterized in that, described multiple split channel is distributed on two sidewalls respect to one another of described depression exhaust passage, and multiple split channels on each described sidewall extend along the axial direction of described compressor.
4. the bearing of compressor according to any one of claim 1-3, is characterized in that, described split channel is close to described exhaust port and is arranged on the diapire of described depression exhaust passage.
5. bearing of compressor according to claim 4, it is characterized in that, described multiple split channel is distributed on the diapire of described depression exhaust passage, and the multiple split channels be distributed on described diapire extend to the direction away from described exhaust port in the mode of straight line or curve.
6. bearing of compressor according to claim 5, it is characterized in that, the diapire relative orthogonal of described depression exhaust passage in described compressor shaft to planar tilt arrange, and the multiple split channels be distributed on described diapire extend obliquely along the true dip direction of diapire.
7. bearing of compressor according to claim 1, is characterized in that, described depression exhaust passage is provided with multiple muscle, limits a described split channel between adjacent described two muscles.
8. bearing of compressor according to claim 1, is characterized in that, the degree of depth of described split channel is h, and described degree of depth h meets relation: 0.5mm≤h≤5mm.
9. bearing of compressor according to claim 8, is characterized in that, the width of rebate of described split channel is w, and width of rebate w and the described degree of depth h of described split channel meet relation: 0.5≤w/h≤2.
10. bearing of compressor according to claim 9, is characterized in that, the centre distance between two adjacent described split channels is b, and described centre distance b meets relation: 0.25mm≤b≤15mm.
11. bearing of compressor according to claim 1, is characterized in that, described split channel is V-arrangement, rectangle, trapezoidal, circular, oval or discontinuous bar rib shape.
12. 1 kinds of compressors, it is characterized in that, comprise: bent axle, cylinder, upper bearing (metal) and lower bearing, described cylinder liner is located on described bent axle, described upper bearing (metal) and described lower bearing to be all set on described bent axle and to lay respectively at the upper side and lower side of described cylinder, and described upper bearing (metal) or described lower bearing are the bearing of compressor according to any one of claim 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510751363.3A CN105202009B (en) | 2015-11-05 | 2015-11-05 | Bearing of compressor and there is its compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510751363.3A CN105202009B (en) | 2015-11-05 | 2015-11-05 | Bearing of compressor and there is its compressor |
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| Publication Number | Publication Date |
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| CN105202009A true CN105202009A (en) | 2015-12-30 |
| CN105202009B CN105202009B (en) | 2018-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510751363.3A Active CN105202009B (en) | 2015-11-05 | 2015-11-05 | Bearing of compressor and there is its compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109519387A (en) * | 2018-11-20 | 2019-03-26 | 珠海凌达压缩机有限公司 | Flange structure, compressor comprising same and electric appliance |
| CN111271257A (en) * | 2018-12-05 | 2020-06-12 | 安徽美芝精密制造有限公司 | Bearing assembly and compressor |
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| CN109519387A (en) * | 2018-11-20 | 2019-03-26 | 珠海凌达压缩机有限公司 | Flange structure, compressor comprising same and electric appliance |
| CN109519387B (en) * | 2018-11-20 | 2024-08-06 | 珠海凌达压缩机有限公司 | Flange structure, compressor comprising same and electric appliance |
| CN111271257A (en) * | 2018-12-05 | 2020-06-12 | 安徽美芝精密制造有限公司 | Bearing assembly and compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105202009B (en) | 2018-03-16 |
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