CN206889265U - Helical-lobe compressor, air-conditioning device and refrigerating plant - Google Patents
Helical-lobe compressor, air-conditioning device and refrigerating plant Download PDFInfo
- Publication number
- CN206889265U CN206889265U CN201720449435.3U CN201720449435U CN206889265U CN 206889265 U CN206889265 U CN 206889265U CN 201720449435 U CN201720449435 U CN 201720449435U CN 206889265 U CN206889265 U CN 206889265U
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- Prior art keywords
- tonifying
- axial
- helical
- hole
- lobe compressor
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Abstract
The utility model provides a kind of helical-lobe compressor, air-conditioning device and refrigerating plant.Helical-lobe compressor includes body, and air supply passage is set on body, and air supply passage has at least two axial tonifying Qi holes for being used to connect with compression chamber.Helical-lobe compressor provided by the utility model, the quantity in axial tonifying Qi hole that its air supply passage is used to connect with compression chamber is at least two, and in the case of so can be used in setting the space in axial tonifying Qi hole limited on body, each the aperture in axial tonifying Qi hole is smaller；During tonifying Qi, the larger axial tonifying Qi hole in middle aperture compared with prior art, in helical-lobe compressor provided by the utility model, quantity is more and the less axial tonifying Qi hole in aperture is more beneficial for reducing gas, so as to help to reduce the noise during tonifying Qi.
Description
Technical field
The utility model is related to Compressor Technology field, in particular it relates to a kind of helical-lobe compressor, using the screw compression
The air-conditioning device of machine and the refrigerating plant using the helical-lobe compressor.
Background technology
Helical-lobe compressor generally includes body and a pair of parallel and intermeshing yin, yang screw rod being arranged in body,
Air inlet is being provided with body corresponding to yin, yang screw rod one end, exhaust outlet is provided with body corresponding to the other end.Above-mentioned spiral shell
Bar compressor is high by the low temperature low pressure gas boil down to of the air inlet entrance from body by the rotation reversely with each other of yin, yang screw rod
Warm gases at high pressure, and discharged from the exhaust outlet of body.
Air supply passage is further typically provided with the body of existing helical-lobe compressor, the air supply passage is used for yin, yang spiral shell
Make-up gas in compression chamber between bar, to improve the compression efficiency of helical-lobe compressor.
The set-up mode of existing air supply passage can be divided into two kinds of axial tonifying Qi and radial direction tonifying Qi.For axial tonifying Qi,
In existing helical-lobe compressor, as shown in figure 1, the compression being used between yin, yang screw rod of the air supply passage set on body 10 '
The quantity in the axial tonifying Qi hole 201 ' of chamber connection is one, meanwhile, its aperture is relatively large.With above-mentioned air supply passage structure
Helical-lobe compressor, when the gas in air supply passage enters the compression chamber of yin, yang screw rod by axial tonifying Qi hole 201 ', it can make
Into larger gas, so as to cause caused noise larger.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art, it is proposed that a kind of screw compression
Machine, air-conditioning device and refrigerating plant, gas is larger during it can improve tonifying Qi existing for above-mentioned prior art, causes
The problem of noise is larger.
To realize that the purpose of this utility model provides a kind of helical-lobe compressor, it includes body, is set on the body
Air supply passage, the air supply passage have at least two axial tonifying Qi holes for being used to connect with compression chamber.
Helical-lobe compressor as described above, these, it is preferred to, the maximum of each axial tonifying Qi bore dia is not
More than 6mm.
Helical-lobe compressor as described above, these, it is preferred to, the axial tonifying Qi hole is circle, and each axle
It is not less than 2mm to the diameter in tonifying Qi hole.
Helical-lobe compressor as described above, these, it is preferred to, a diameter of 5mm in each axial tonifying Qi hole.
Helical-lobe compressor as described above, these, it is preferred to, being shaped as the axial tonifying Qi hole is circular, ellipse,
Any one in round rectangle and polygon.
Helical-lobe compressor as described above, these, it is preferred to, positive screw rod and female screw are provided with the body, it is more
The individual axial tonifying Qi hole is arranged in shape corresponding with the tooth root of the positive screw rod.
Helical-lobe compressor as described above, these, it is preferred to, the air supply passage is arranged on the exhaust shaft of the body
In bearing.
Helical-lobe compressor as described above, these, it is preferred to, described at least two axial tonifying Qi hole is arranged in first
Group, the quantity in axial tonifying Qi hole is at least the center of circle in the axial tonifying Qi hole all in three, first group and formed in first group
Circular arc, the center of circle of circular arc are arranged concentrically with the positive screw rod.
Helical-lobe compressor as described above, these, it is preferred to, the air supply passage by the position of the positive screw rod and
The exhaust passage of the helical-lobe compressor determines the profile of the air supply passage, the circle in the axial tonifying Qi hole of a part of quantity
The heart is fixed value apart from the numerical value of the profile.
To realize that the purpose of this utility model also provides a kind of air-conditioning device, the air-conditioning device includes above-mentioned screw compression
Machine.
To realize that the purpose of this utility model also provides a kind of refrigerating plant, the refrigerating plant includes above-mentioned screw compression
Machine.
The utility model has the advantages that：
Helical-lobe compressor provided by the utility model, its air supply passage are used for the number in the axial tonifying Qi hole connected with compression chamber
Measure to be multiple, in the case of so can be used in setting the space in axial tonifying Qi hole limited on body, each axial tonifying Qi hole
Aperture it is smaller；During tonifying Qi, the larger axial tonifying Qi hole in middle aperture compared with prior art, spiral shell provided by the utility model
In bar compressor, quantity is more and the less axial tonifying Qi hole in aperture is more beneficial for reducing gas, so as to help to reduce
Noise during tonifying Qi.
Air-conditioning device provided by the utility model and refrigerating plant, it uses above-mentioned screw compression provided by the utility model
Machine, it can reduce the gas during tonifying Qi, so as to contribute to the noise during reduction tonifying Qi.
Brief description of the drawings
Fig. 1 is the schematic diagram in axial tonifying Qi hole in existing helical-lobe compressor；
Fig. 2 is the schematic perspective view in axial tonifying Qi hole in the helical-lobe compressor in the utility model embodiment；
Fig. 3 is the schematic elevation view in axial tonifying Qi hole in the helical-lobe compressor in the utility model embodiment.
Fig. 4 is the arrangement schematic diagram in axial tonifying Qi hole in the helical-lobe compressor in the utility model embodiment.
Description of reference numerals：
10 ', body, 201 ', axial tonifying Qi hole, 10, body, 201, axial tonifying Qi hole；31st, first group；40th, positive screw rod.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and can not be construed to of the present utility model
Limitation.
The utility model provides a kind of helical-lobe compressor.In embodiments thereof, as shown in Figures 2 and 3, the screw rod pressure
Contracting machine includes body 10, and air supply passage is set on the body 10, and the air supply passage has multiple for being connected with compression chamber
Axial tonifying Qi hole 201.
In the present embodiment, the quantity in axial tonifying Qi hole 201 that air supply passage is used to connect with compression chamber be it is multiple, this
In the case that sample can be used in setting the space in axial tonifying Qi hole 201 limited on body, the aperture in each axial tonifying Qi hole 201
It is smaller.
The principle and the course of work of helical-lobe compressor provided by the utility model are described in detail below in conjunction with the accompanying drawings.
So that helical-lobe compressor is double-screw compressor as an example, specifically, helical-lobe compressor also includes a pair of parallel and mutual
The positive screw rod and female screw of engagement, and drive mechanism.The drive mechanism is connected with positive screw rod, for driving the positive screw rod
Rotate, and then drive the female screw engaged with positive screw rod to rotate.One end of body 10 is provided with air inlet, and the other end is provided with row
Gas port, and air inlet and exhaust outlet are located at the both sides of the yin, yang screw rod respectively.
When helical-lobe compressor works, under the drive of drive mechanism, positive screw rod and female screw rotation reversely with each other,
When compression chamber between yin, yang screw rod connects with air inlet, compression chamber that gas is entered between yin, yang screw rod by air inlet
It is interior, after compression process, when compression chamber connects with exhaust outlet, discharged from exhaust outlet.
In above process, when compression chamber connects with axial tonifying Qi hole 201, supplemented by air supply passage into compression chamber
Gas, to improve the compression efficiency of helical-lobe compressor.When the gas in air supply passage passes through air supply passage, air supply passage warp
The gas flow crossed is fixed value, so the total value that multiple axial tonifying Qi holes 201 pass through gas flow is fixed value, due to axial tonifying Qi
The quantity in hole 201 is multiple, so in the case where total value is constant, the aperture in each axial tonifying Qi hole 201 is relatively small, gas
Noise smaller by gas caused by axial tonifying Qi hole 201, being formed during so as to reduce the tonifying Qi into compression chamber.
It is above-mentioned that principle of the present utility model and process have been carried out in detail so that helical-lobe compressor is double-screw compressor as an example
Description, but it should be recognized that helical-lobe compressor provided by the utility model can also be other possible structures, however it is not limited to
Above-mentioned double-screw compressor.
In the present embodiment, the shape in each axial tonifying Qi hole 201 can be circle, ellipse, round rectangle,
The various regular shapes such as polygon, can also be other various irregular shapes.In actual applications, can as needed by
Gas supplementing opening 201 is shaped to shape that is any required or can reaching corresponding purpose.
Preferably, the maximum of each axial diameter of tonifying Qi hole 201 is not more than 6mm；So set and define axle
To the maximum length in the aperture of tonifying Qi hole 201, it is limited within the scope of 6mm, can preferably reduces the gas during tonifying Qi
Stream pulsation, so as to realize noise lower.
Further, the axial tonifying Qi hole 201 is circle, and the diameter in each axial tonifying Qi hole 201 is not less than
2mm.Axial tonifying Qi hole 201 is shaped to circle, it is easy to process, so as to reduce processing cost.Such as Fig. 3 institutes
Show, a diameter of 5mm in each axial tonifying Qi hole 201.
Preferably, be provided with positive screw rod and female screw in the body 10, multiple axial tonifying Qi holes 201 be arranged in
Shape corresponding to the tooth root of the positive screw rod.The gas that can reduce during tonifying Qi is so set, so as to help to drop
Noise during low tonifying Qi.
In the present embodiment, the air supply passage can be arranged on the exhaust bearing block of the body 10, in Fig. 2 and
Housing construction shown in Fig. 3 is exactly to be vented bearing block.
The helical-lobe compressor that present embodiment provides, its air supply passage are used for the axial tonifying Qi hole 201 connected with compression chamber
Quantity to be multiple, in the case of so can be used in setting the space in axial tonifying Qi hole 201 limited on body 10, each axle
It is smaller to the aperture in tonifying Qi hole 201；During tonifying Qi, the larger axial tonifying Qi hole in middle aperture compared with prior art, this practicality
In the helical-lobe compressor of new offer, quantity is more and the less axial tonifying Qi hole 201 in aperture is more beneficial for reducing gas,
So as to contribute to the noise during reduction tonifying Qi.
As shown in figure 4, at least two axial tonifying Qi hole 201 is arranged in axial tonifying Qi hole in first group 31, first group 31
201 quantity be at least axial tonifying Qi hole 201 all in three, first group 31 the center of circle formed circular arc, the center of circle of circular arc with
Positive screw rod 40 is arranged concentrically, and 31 position is exactly the circle of first group 31 of multiple axial center of circle arrangement forms of tonifying Qi hole 201 in Fig. 4
Arc.
Air supply passage determines the profile B of air supply passage by the position of positive screw rod and the exhaust passage of helical-lobe compressor, one
The circle center distance profile B in the axial tonifying Qi hole 201 of partial amt numerical value is fixed value.In the exhaust passage of helical-lobe compressor and
On the premise of positive screw rod is fixed, profile B shape is fixed, that is to say, that profile B shape is also original air supply passage
Shape of cross section.
The utility model additionally provides a kind of air-conditioning device, and in this embodiment, the air-conditioning device includes this practicality
Helical-lobe compressor in new above-mentioned embodiment.
Air-conditioning device provided by the utility model, it uses above-mentioned helical-lobe compressor provided by the utility model, and it can be with
Reduce the gas during tonifying Qi, so as to contribute to the noise during reduction tonifying Qi.
The utility model additionally provides a kind of refrigerating plant, and in this embodiment, the refrigerating plant includes this practicality
Helical-lobe compressor in new above-mentioned embodiment.
Refrigerating plant provided by the utility model, it uses above-mentioned helical-lobe compressor provided by the utility model, and it can be with
Reduce the gas during tonifying Qi, so as to contribute to the noise during reduction tonifying Qi.
Construction, feature and action effect of the present utility model is described in detail according to the embodiment shown in schema above, with
Upper described is only preferred embodiment of the present utility model, but the utility model is to limit practical range shown in drawing, it is every according to
According to the made change of conception of the present utility model, or the equivalent embodiment of equivalent variations is revised as, still without departing from specification and figure
, all should be in the scope of protection of the utility model when showing covered spirit.
Claims (11)
1. a kind of helical-lobe compressor, including body (10), air supply passage is set on the body (10), it is characterised in that described
Air supply passage has at least two axial tonifying Qi holes (201) for being used to connect with compression chamber.
2. helical-lobe compressor according to claim 1, it is characterised in that the diameter of each axial tonifying Qi hole (201)
Maximum is not more than 6mm.
3. helical-lobe compressor according to claim 1, it is characterised in that the axial tonifying Qi hole (201) is circle, and often
The diameter of the individual axial tonifying Qi hole (201) is not less than 2mm.
4. helical-lobe compressor according to claim 3, it is characterised in that the diameter of each axial tonifying Qi hole (201)
For 5mm.
5. helical-lobe compressor according to claim 1, it is characterised in that the axial tonifying Qi hole (201) is shaped as justifying
Any one in shape, ellipse, round rectangle and polygon.
6. according to the helical-lobe compressor described in Claims 1 to 5 any one, it is characterised in that set in the body (10)
There are positive screw rod (40) and a female screw, multiple axial tonifying Qi holes (201) are arranged in shape corresponding with the positive screw rod (40).
7. helical-lobe compressor according to claim 6, it is characterised in that described at least two axial tonifying Qi hole (201)
It is arranged in first group (31), the quantity of axial tonifying Qi hole (201) is at least three in first group (31), owns in first group (31)
The axial tonifying Qi hole (201) the center of circle formed circular arc, the center of circle of circular arc is arranged concentrically with the positive screw rod (40).
8. helical-lobe compressor according to claim 6, it is characterised in that the position that the air supply passage passes through the positive screw rod
Put the profile that the air supply passage is determined with the exhaust passage of the helical-lobe compressor, the axial tonifying Qi hole of a part of quantity
(201) numerical value of profile described in circle center distance is fixed value.
9. helical-lobe compressor according to claim 1, it is characterised in that the air supply passage is arranged on the body (10)
Exhaust bearing block on.
10. a kind of air-conditioning device, it is characterised in that the air-conditioning device includes the screw rod described in claim 1~9 any one
Compressor.
11. a kind of refrigerating plant, it is characterised in that the refrigerating plant includes the screw rod described in claim 1~9 any one
Compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720449435.3U CN206889265U (en) | 2017-04-26 | 2017-04-26 | Helical-lobe compressor, air-conditioning device and refrigerating plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720449435.3U CN206889265U (en) | 2017-04-26 | 2017-04-26 | Helical-lobe compressor, air-conditioning device and refrigerating plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206889265U true CN206889265U (en) | 2018-01-16 |
Family
ID=61325223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720449435.3U Expired - Fee Related CN206889265U (en) | 2017-04-26 | 2017-04-26 | Helical-lobe compressor, air-conditioning device and refrigerating plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206889265U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979160A (en) * | 2017-04-26 | 2017-07-25 | 珠海格力电器股份有限公司 | Helical-lobe compressor, air-conditioning device and refrigerating plant |
-
2017
- 2017-04-26 CN CN201720449435.3U patent/CN206889265U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979160A (en) * | 2017-04-26 | 2017-07-25 | 珠海格力电器股份有限公司 | Helical-lobe compressor, air-conditioning device and refrigerating plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |