CN206539498U - A kind of compressor - Google Patents
A kind of compressor Download PDFInfo
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- CN206539498U CN206539498U CN201720211962.0U CN201720211962U CN206539498U CN 206539498 U CN206539498 U CN 206539498U CN 201720211962 U CN201720211962 U CN 201720211962U CN 206539498 U CN206539498 U CN 206539498U
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Abstract
The utility model provides a kind of compressor, it includes cylinder, the cylinder includes the cylinder exhaust port for being used to discharge its inner compressor gas, and the airflow downstream of the cylinder is additionally provided with muffler, and the muffler includes the muffler exhaust outlet for being used to discharge its internal gas；And have between cylinder exhaust open area and the muffler exhaust port area and there is following relationship：The preset value of first preset value≤muffler exhaust port area/cylinder exhaust open area≤second.By the utility model so that muffler exhaust port area is unlikely to relatively larger and cause cylinder discharge compressed gas cannot get the effect of due resistance noise reduction and so that noise cannot get due decrease, also cause muffler exhaust port area to be unlikely to relatively smaller simultaneously and increase the concussion effect in muffler of resistance, increase gas that compressed gas discharges from muffler and can not discharge, noise increase, it is effectively reduced the aerodynamic noise of cylinder so that noise is in a relatively low scope.
Description
Technical field
The utility model belongs to Compressor Technology field, and in particular to a kind of compressor.
Background technology
Current Two-stage Compression technology, by the advantage of low-temperature heating ability height, high-temperature refrigeration performance height and high reliability,
Rotor-type compressor is preferably applied to, and obtains market affirmative.But it is the air conditioner comfortableness requirement for meeting client Geng Gao,
The efficiency and noise level of compressor need higher level lifting；And low-pressure stage exhaust outlet, the height of twin-stage rotor-type compressor
The area ratio arbitrarily downgraded between exhaust outlet, upper muffler exhaust outlet, directly affects the performance and noise level of compressor.
Have that low-pressure stage aerodynamic noise is big and volumetric efficiency is low due to Two-stage Compression rotor-type compressor of the prior art,
Hiigh pressure stage aerodynamic noise is big and the low technical problem of volumetric efficiency, therefore the utility model research and design goes out a kind of compressor.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome compressor of the prior art to there is aerodynamic noise
Defect that is higher and being difficult reduction, so as to provide a kind of compressor.
The utility model provides a kind of compressor, and it includes cylinder, and the cylinder includes being used to discharge its inner compressor
The cylinder exhaust port of gas, the airflow downstream of the cylinder is additionally provided with muffler, and the muffler includes being used to discharge in it
The muffler exhaust outlet of portion's gas；And have between cylinder exhaust open area and the muffler exhaust port area and there is following pass
System：The preset value of first preset value≤muffler exhaust port area/cylinder exhaust open area≤second.
Preferably, the compressor is the rotor-type compressor more than two-stage compressed.
Preferably, the rotor compressor is Two-stage Compression, and the cylinder includes low-pressure stage cylinder, hiigh pressure stage cylinder, institute
Stating cylinder exhaust port includes being located at low-pressure stage exhaust outlet and the position for being used to discharge its internal compressed gas on the low-pressure stage cylinder
In the hiigh pressure stage exhaust outlet for being used to discharge its internal compressed gas on the hiigh pressure stage cylinder, and the muffler is arranged on institute
State the airflow downstream end of hiigh pressure stage cylinder；
If low-pressure stage exhaust port area is S1；If hiigh pressure stage exhaust port area is S2；If muffler exhaust port area is S3,
And have：The preset value of three preset values≤S3/S1≤the 4th, and/or, the 5th preset value<S3/S2<6th preset value.
Preferably, the 3rd preset value is 1, and, the 4th preset value is 2, and has 1≤S3/S1≤2.
Preferably, the 5th preset value is 1, and, the 6th preset value is 2.5, and has 1<S3/S2<2.5.
Preferably, the 3rd preset value is 1, and, the 4th preset value is 1.6, and has 1<S3/S1<1.6.
Preferably, the 5th preset value is 1.3, and the 6th preset value is 2.0, and has 1.3<S3/S2<2.0.
Preferably, the hiigh pressure stage cylinder is set with the low-pressure stage cylinder coaxial, and the hiigh pressure stage cylinder is located at institute
State above low-pressure stage cylinder, the muffler is located at the top of the hiigh pressure stage cylinder.
Preferably, at least one in the low-pressure stage exhaust outlet, the hiigh pressure stage exhaust outlet and muffler exhaust outlet
Be shaped as circle, " D " shape, crescent or kidney-shaped.
Preferably, the number of the low-pressure stage exhaust outlet, the hiigh pressure stage exhaust outlet and noise reduction exhaust outlet is respectively 1
It is individual, 2 or more than 3；
And, the low-pressure stage exhaust port area is the area sum of all above-mentioned low-pressure stage exhaust outlets；The hiigh pressure stage row
Port area is the area sum of all above-mentioned hiigh pressure stage exhaust outlets；The muffler exhaust port area is all above-mentioned mufflers
The area sum of exhaust outlet.
A kind of compressor that the utility model is provided has the advantages that：
1. compressor of the present utility model, by setting between cylinder exhaust open area and the muffler exhaust port area
Meet relation：The preset value of first preset value≤muffler exhaust port area/cylinder exhaust open area≤second so that muffler is arranged
Be unlikely between port area and cylinder exhaust open area it is excessive be also unlikely to it is too small, positioned at suitable scope, so that effectively
So that the compressed gas that muffler exhaust port area is unlikely to relatively larger and causes cylinder to be discharged cannot get due resistance
The effect of noise reduction and cause noise cannot get due decrease, while also cause muffler exhaust port area be unlikely to relatively compared with
It is small and increase the concussion effect in muffler of resistance, increase gas that compressed gas discharges from muffler and can not discharge,
Noise increase, is effectively reduced the aerodynamic noise of cylinder so that noise is in a relatively low scope；
2. compressor of the present utility model, can also cause muffler exhaust port area to be unlikely to relative by above-mentioned means
Ground is smaller and increases that resistance, increase gas power consumption that compressed gas discharges from muffler be larger, volumetric efficiency is relatively low so that hold
Product efficiency is in a higher scope, can simultaneously effective be reduced the aerodynamic noise of compresser cylinder and be improved cylinder
Volumetric efficiency, and then effectively improve the Energy Efficiency Ratio of compressor；
3. compressor of the present utility model, passes through the muffler to rotor-type compressor especially twin-stage rotor-type compressor
Exhaust port area and low pressure/hiigh pressure stage cylinder exhaust open area be all provided with determine into the relation for meeting bound, simultaneously or can divide
Farthest reduction, volumetric efficiency is not carried out to low-pressure stage cylinder and the respective noise of hiigh pressure stage cylinder farthest to carry
Height, improves Energy Efficiency Ratio to optimum degree.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of rotor-type compressor of the present utility model；
Fig. 2 is the structural representation of the lower flange of rotor-type compressor of the present utility model；
Fig. 3 is the structural representation of the upper flange of rotor-type compressor of the present utility model；
Fig. 4 is the structural representation of the muffler of rotor-type compressor of the present utility model；
Fig. 5 is that the exhaust outlet of rotor-type compressor of the present utility model is the structural representation of D-shaped；
Fig. 6 is that the exhaust outlet of rotor-type compressor of the present utility model is the structural representation of crescent；
Fig. 7 is the pass of the noise/between Energy Efficiency Ratio and S3/S1 of the low-pressure stage cylinder of rotor-type compressor of the present utility model
It is change curve；
Fig. 8 is the pass of the noise/between Energy Efficiency Ratio and S3/S2 of the hiigh pressure stage cylinder of rotor-type compressor of the present utility model
It is change curve.
Reference is expressed as in figure：
1-knockout part, 2-low-pressure stage cylinder (lower cylinder), 3-lower flange component, 31-lower flange, 32-low pressure
Level exhaust outlet, 4-lower flange cover plate, 5-lower cover, 6-housing unit, 7-increasing enthalpy component, 8-pump partition plate, 9-hiigh pressure stage
Cylinder (upper cylinder), 10-upper flange component, 101-upper flange, 102-hiigh pressure stage exhaust outlet, 11-muffler, 111-disappear
Sound device exhaust outlet, 12-bent axle, 13-rotor assembly, 14-stator module, 15-cover assembly, 16-blast pipe, 17-D-shaped
Exhaust outlet, 18-crescent exhaust outlet, 19-circle exhaust outlet.
Embodiment
The utility model provides a kind of compressor, and it includes cylinder, and the cylinder includes being used to discharge its inner compressor
The cylinder exhaust port of gas, the airflow downstream of the cylinder is additionally provided with muffler, and the muffler includes being used to discharge in it
The muffler exhaust outlet of portion's gas；And have between cylinder exhaust open area and the muffler exhaust port area and there is following pass
System：The preset value of first preset value≤muffler exhaust port area/cylinder exhaust open area≤second.
By setting relation is met between cylinder exhaust open area and the muffler exhaust port area：First preset value≤
The preset value of muffler exhaust port area/cylinder exhaust open area≤second so that muffler exhaust port area and cylinder exhaust port
Be unlikely between area it is excessive be also unlikely to it is too small, positioned at suitable scope so that effectively cause muffler exhaust port area
The compressed gas for being unlikely to relatively larger (preferably compared with cylinder exhaust open area) and causing cylinder to be discharged should cannot have
Resistance noise reduction effect and cause noise cannot get due decrease, while also cause muffler exhaust port area be unlikely to phase
It is smaller over the ground and increase the concussion effect in muffler of resistance, increase gas that compressed gas discharges from muffler and can not
Discharge, noise increase, so that compressor of the present utility model can be effectively reduced the aerodynamic noise of cylinder so that noise
In a relatively low scope；
Simultaneously by above-mentioned means can also muffler exhaust port area be unlikely to relatively smaller and increase compressed gas
The resistance discharged from muffler, increase gas power consumption is larger, cause volumetric efficiency relatively low, so that pressure of the present utility model
Contracting machine enables to volumetric efficiency to be in a higher scope, can simultaneously effective reduce the pneumatic of compresser cylinder and make an uproar
Sound and the volumetric efficiency for improving cylinder, and then effectively improve the Energy Efficiency Ratio of compressor, Energy Efficiency Ratio are directly proportional pass to volumetric efficiency
System, the section is that noise figure is optimal, while taken into account high energy valid value, behind Energy Efficiency Ratio incrementally go to zero.
Preferably, the compressor is the rotor-type compressor more than two-stage compressed.This is the utility model compressor
It is preferred that specific constructive form, is shown by substantial amounts of research experiment, for what is more than rotor-type compressor especially two-stage compressed
For rotor-type compressor, it will be defined to meet certain numerical value scope between muffler exhaust port area and cylinder exhaust open area
Interior relation, can effectively and farthest reduce the aerodynamic noise of cylinder, and improve effectively and farthest volume
Efficiency, improves the Energy Efficiency Ratio of compressor.
As shown in figure 1, it is further preferred that rotor compressor described in the utility model is Two-stage Compression, the cylinder bag
Low-pressure stage cylinder 2, hiigh pressure stage cylinder 9 are included, and by opening up increasing enthalpy mouthful on low pressure (LP) cylinder 2, opening up intermediate cavity on lower flange 31
Structure and form two-stage enthalpy increasing rotor-type compressor, compressor is mainly by motor (rotor assembly 13, stator module 14), low pressure pressure
Contract (lower cylinder compression) structure, increasing enthalpy structure, lower flange (middle pressure chamber) structure, high pressure compressed (upper cylinder compression) structure, housing
Sealing structure, knockout part composition.Knockout part 1 is fixed by welding on housing unit 6, and low-pressure stage cylinder 2 is by spiral shell
Nail is fixed on lower flange component 3, is both that lower flange component 3 is connected with lower flange cover plate 4, knockout part 1 passes through air intake duct
Communicated with the suction muffler of low-pressure stage cylinder 2, increasing enthalpy component 7 passes through the increasing enthalpy mouthful interference fit and lower flange 31 with low-pressure stage cylinder 2
Intermediate cavity communicate, hiigh pressure stage cylinder 9 by screw and upper flange component 10 and muffler 11 fix simultaneously with the phase of pump partition plate 8
Even, hiigh pressure stage cylinder 9 is welded on housing unit 6, and bent axle 12 passes through lower flange 31, low-pressure stage cylinder 2, lower flange cover plate 4, pump
Body dividing plate 8, hiigh pressure stage cylinder 9, upper flange component 10, lower flange cover plate 4, lower flange component 3, low-pressure stage cylinder 2, pump partition plate
8th, hiigh pressure stage cylinder 9 is fixed by screws in together, and blast pipe 16 is welded on cover assembly 15, and cover assembly 18 is welded on shell
On body component 6.
Preferably, the cylinder exhaust port includes being located at is used to discharge its internal compressed gas on the low-pressure stage cylinder
Low-pressure stage exhaust outlet 32 and it is used to discharge the hiigh pressure stage exhaust outlet 102 of its internal compressed gas on the hiigh pressure stage cylinder,
And the muffler 11 is arranged on the airflow downstream end of the hiigh pressure stage cylinder, and the muffler 11 includes being used to discharge it
The muffler exhaust outlet 111 of internal gas；
As shown in Fig. 2 setting low-pressure stage exhaust port area as S1；As shown in figure 3, setting hiigh pressure stage exhaust port area as S2；Such as
Shown in Fig. 4, if muffler exhaust port area is S3, and have：The preset value of three preset values≤S3/S1≤the 4th, and/or, the 5th
Preset value<S3/S2<6th preset value.Pass through the row to the rotor-type compressor especially muffler of twin-stage rotor-type compressor
Port area is all provided with determining into the relation for meeting bound with low pressure/hiigh pressure stage cylinder exhaust open area, can at the same time or separately
Farthest reduction, volumetric efficiency are carried out to low-pressure stage cylinder and the respective noise of hiigh pressure stage cylinder farthest to improve,
Improve Energy Efficiency Ratio to optimum degree.
Preferably, the 3rd preset value is 1, and, the 4th preset value is 2, and has 1≤S3/S1≤2.This is to disappear
The preferred restriction number range of ratio between sound device exhaust port area and low-pressure stage cylinder cylinder exhaust open area, by a large amount of
Experiment and vertical simulation, show that the aerodynamic noise of low-pressure stage cylinder reaches as far as possible when S3/S1 is in the range of [1,2]
Ground is minimum, as shown in fig. 7, the solid line in figure represents the change curve of noise, it is the curve to lower recess, when [1,2] is interior,
The longitudinal axis numerical value of the curve is intended to the minimum of the lowest point, can so be effectively reduced the noise of low-pressure stage cylinder, simultaneously should
In the range of Energy Efficiency Ratio it is also comparatively higher, referring to the dotted line curve in the curve map so that the noise and property of compressor
Energy level is higher.
Preferably, the 5th preset value is 1, and, the 6th preset value is 2.5, and has 1<S3/S2<2.5.This is
The preferred restriction number range of ratio between muffler exhaust port area and hiigh pressure stage cylinder cylinder exhaust open area, through excessive
The experiment of amount and vertical simulation, show that the aerodynamic noise of hiigh pressure stage cylinder reaches to the greatest extent when S3/S2 is in the range of (1,2.5)
Possibly minimum, as shown in figure 8, the solid line in figure represents the change curve of noise, it is the curve to lower recess, (1,
2.5) when in, the longitudinal axis numerical value of the curve is intended to the minimum of the lowest point, can so be effectively reduced making an uproar for low-pressure stage cylinder
Sound, while the Energy Efficiency Ratio in the range of being somebody's turn to do is also comparatively higher, referring to the dotted line curve in the curve map so that compressor
Noise and performance level are higher.
It is further preferred that the 3rd preset value is 1, and, the 4th preset value is 1.6, and has 1<S3/S1<
1.6.This is that ratio enters one between muffler exhaust port area of the present utility model and low-pressure stage cylinder cylinder exhaust open area
The preferred restriction number range of step, as shown in fig. 7, showing when S3/S2 is in the range of (1,1.6), the longitudinal axis of noise curve
Numerical value is intended to the minimum of the lowest point, the aerodynamic noise of low-pressure stage cylinder can reach it is further minimum, the noise of compressor and
Performance level is optimal, and when within the range, while the Energy Efficiency Ratio in the range of being somebody's turn to do is also comparatively higher, referring in the curve map
Dotted line curve.
It is further preferred that the 5th preset value is 1.3, the 6th preset value is 2.0, and has 1.3<S3/S2<
2.0.This is that ratio enters one between muffler exhaust port area of the present utility model and hiigh pressure stage cylinder cylinder exhaust open area
The preferred restriction number range of step, as shown in figure 8, show when S3/S2 is in the range of (1.3,2.0), noise curve it is vertical
Axis values are intended to the minimum of the lowest point, and the aerodynamic noise of hiigh pressure stage cylinder can reach further minimum, the noise of compressor
And performance level is optimal, and when within the range, while the Energy Efficiency Ratio in the range of being somebody's turn to do is also comparatively higher, referring to the curve map
In dotted line curve.
Preferably, as shown in figure 1, the hiigh pressure stage cylinder 9 is coaxially disposed with the low-pressure stage cylinder 2, and the high pressure
Level cylinder 9 is located at the top of low-pressure stage cylinder 2, and the muffler 11 is located at the top of the hiigh pressure stage cylinder 9.This is this reality
With the preferred arrangement and relative position relation between new Two-stage Compression cylinder and muffler, due to from compression case
The bottom air inlet of body, it is transported to after low-pressure stage is compressed in hiigh pressure stage cylinder and carries out high pressure compressed, therefore pressure can be improved
The compression ratio of contracting machine, sets muffler that hiigh pressure stage effectively can be compressed to the gases at high pressure completed in the upper end of hiigh pressure stage cylinder
It is delivered in muffler and carries out sound deadening, so as to realizes the function of noise reduction of the present utility model.
Preferably, in the low-pressure stage exhaust outlet 32, the hiigh pressure stage exhaust outlet 102 and muffler exhaust outlet 111
At least one is shaped as circular or the other shapes such as " D " shape or crescent or kidney-shaped, such as Fig. 5, and 6 are respectively shown in.This is this reality
With the specific preferred shape of new above three exhaust outlet.
Preferably, the number of the low-pressure stage exhaust outlet 32, the hiigh pressure stage exhaust outlet 102 and noise reduction exhaust outlet 111
Respectively 1,2 or more than 3；The low-pressure stage exhaust port area is the area sum of all above-mentioned low-pressure stage exhaust outlets；
The hiigh pressure stage exhaust port area is the area sum of all above-mentioned hiigh pressure stage exhaust outlets；The muffler exhaust port area is institute
There is the area sum of above-mentioned muffler exhaust outlet.
This is the preferred number of above three exhaust outlet of the present utility model；And when low-pressure stage exhaust outlet or hiigh pressure stage are arranged
When gas port or muffler exhaust outlet are two or more, because exhaust is carried out respectively and simultaneously in more than two exhaust outlets,
Therefore need to sum more than two exhaust port areas when calculating exhaust port area and be added, corresponding low-pressure stage could be obtained
The correct real area of exhaust outlet or hiigh pressure stage exhaust outlet or muffler exhaust outlet, for obtain correct and S1 accurately S2
S3 provides condition.
Those skilled in the art is it is easily understood that on the premise of not conflicting, above-mentioned each advantageous manner can be free
Ground combination, superposition.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.Described above is only preferred embodiment of the present utility model, it is noted that for the art
For those of ordinary skill, on the premise of the utility model technical principle is not departed from, some improvement and modification can also be made,
These improvement and modification also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of compressor, it is characterised in that：Including cylinder, the cylinder includes the gas for being used to discharge its inner compressor gas
Cylinder exhaust outlet, the airflow downstream of the cylinder is additionally provided with muffler, and the muffler includes being used to discharge its internal gas
Muffler exhaust outlet；And have between cylinder exhaust open area and the muffler exhaust port area and there is following relationship：First is pre-
If the preset value of value≤muffler exhaust port area/cylinder exhaust open area≤second.
2. compressor according to claim 1, it is characterised in that：The compressor is the rotator type pressure more than two-stage compressed
Contracting machine.
3. compressor according to claim 2, it is characterised in that：The rotor compressor is Two-stage Compression, the cylinder
Including low-pressure stage cylinder (2), hiigh pressure stage cylinder (9), the cylinder exhaust port includes being located to be used to arrange on the low-pressure stage cylinder
Go out the low-pressure stage exhaust outlet (32) of its internal compressed gas and be used to discharge its internal compression gas on the hiigh pressure stage cylinder
The hiigh pressure stage exhaust outlet (102) of body, and the muffler (11) is arranged on the airflow downstream end of the hiigh pressure stage cylinder (9)；
If low-pressure stage exhaust port area is S1；If hiigh pressure stage exhaust port area is S2；If muffler exhaust port area is S3, and
Have：The preset value of three preset values≤S3/S1≤the 4th, and/or, the 5th preset value<S3/S2<6th preset value.
4. compressor according to claim 3, it is characterised in that：3rd preset value is 1, and, the described 4th presets
It is worth for 2, and there are 1≤S3/S1≤2.
5. the compressor according to one of claim 3-4, it is characterised in that：5th preset value is 1, and, described the
Six preset values are 2.5, and have 1<S3/S2<2.5.
6. compressor according to claim 3, it is characterised in that：3rd preset value is 1, and, the described 4th presets
It is worth for 1.6, and has 1<S3/S1<1.6.
7. according to claim 3, the compressor described in one of 6, it is characterised in that：5th preset value is the 1.3, the described 6th
Preset value is 2.0, and has 1.3<S3/S2<2.0.
8. according to claim 3-4, the compressor described in one of 6, it is characterised in that：The hiigh pressure stage cylinder and the low-pressure stage
Cylinder coaxial is set, and the hiigh pressure stage cylinder is located above the low-pressure stage cylinder, and the muffler is located at the hiigh pressure stage
The top of cylinder.
9. according to claim 3-4, the compressor described in one of 6, it is characterised in that：It is the low-pressure stage exhaust outlet (32), described
In hiigh pressure stage exhaust outlet (102) and muffler exhaust outlet (111) at least one be shaped as circle, " D " shape, crescent or
Kidney-shaped.
10. according to claim 3-4, the compressor described in one of 6, it is characterised in that：It is the low-pressure stage exhaust outlet (32), described
The number of hiigh pressure stage exhaust outlet (102) and noise reduction exhaust outlet (111) is respectively 1,2 or more than 3；
And, the low-pressure stage exhaust port area is the area sum of all above-mentioned low-pressure stage exhaust outlets；The hiigh pressure stage exhaust outlet
Area is the area sum of all above-mentioned hiigh pressure stage exhaust outlets；The muffler exhaust port area is all above-mentioned muffler exhausts
The area sum of mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720211962.0U CN206539498U (en) | 2017-03-06 | 2017-03-06 | A kind of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720211962.0U CN206539498U (en) | 2017-03-06 | 2017-03-06 | A kind of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206539498U true CN206539498U (en) | 2017-10-03 |
Family
ID=59941673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720211962.0U Active CN206539498U (en) | 2017-03-06 | 2017-03-06 | A kind of compressor |
Country Status (1)
| Country | Link |
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| CN (1) | CN206539498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930948A (en) * | 2017-03-06 | 2017-07-07 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor |
-
2017
- 2017-03-06 CN CN201720211962.0U patent/CN206539498U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930948A (en) * | 2017-03-06 | 2017-07-07 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of compressor |
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