CN209370054U - A kind of screw compressor and air-conditioning system - Google Patents
A kind of screw compressor and air-conditioning system Download PDFInfo
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- CN209370054U CN209370054U CN201821946796.XU CN201821946796U CN209370054U CN 209370054 U CN209370054 U CN 209370054U CN 201821946796 U CN201821946796 U CN 201821946796U CN 209370054 U CN209370054 U CN 209370054U
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- screw compressor
- airflow channel
- air
- frame member
- suction chamber
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Abstract
The utility model provides a kind of screw compressor and air-conditioning system, is related to Compressor Technology field, solves the technical problem that scroll compressor body inspiratory resistance is big and power consumption is higher.The screw compressor includes frame member, and the frame member opens up at least one airflow channel, and the airflow channel is axially connected to the suction chamber of the screw compressor and the air inlet end face of the corresponding suction chamber extends to increase air-breathing area.The utility model increases the cross-sectional area and longitudinal section product of air-breathing, inspiratory resistance is reduced, to reduce screw compressor power for changing the axial air-breathing that the circumferential air-breathing for passing through clearance channel is by airflow channel.
Description
Technical field
The utility model relates to Compressor Technology fields, more particularly, to a kind of screw compressor and air-conditioning system.
Background technique
As shown in Figure 3 and Figure 4, wherein Fig. 3 is screw compressor schematic cross-sectional view in the prior art.Fig. 4 is in Fig. 3
Enlarged structure schematic diagram at A.
Current compressor significant proportion for electric vehicle uses screw compressor 100, is generally carried out using 101 low pressure of shell
Development and application.The inspiratory airflow of screw compressor 100 generally successively by shell air entry 102, shell 101 and motor 103 it
Between channel, the clearance channel 105 between first support 104 and shell 101 enter back into the suction chamber 106 of compressor pump to pump
Body air-breathing.
Applicants have discovered that at least there is following technical problem in the prior art: existing screw compressor 100 in the application,
The general clearance channel 105 formed using first support 104 and 101 excircle gap of shell carries out air-breathing, this structure due to
The limitation of 100 volume of screw compressor is unfavorable for compressing so that 105 sectional area of clearance channel of this position for air-breathing is less than normal
The sufficiently effective air-breathing of pump body, compressor pump inspiratory resistance is big, and screw compressor power consumption is higher.
Utility model content
The utility model first aspect is designed to provide a kind of screw compressor, existing in the prior art to solve
Scroll compressor body inspiratory resistance is big and technical problem that power consumption is higher.
To achieve the above object, the utility model provides following technical scheme:
A kind of screw compressor provided by the utility model, including frame member, the frame member open up at least one air-flow
Channel, the airflow channel is axially connected to the suction chamber of the screw compressor and the air inlet end face of the corresponding suction chamber is prolonged
It stretches to increase air-breathing area.
Based on the above technical solution, the utility model can also do following improvement.
Further, the screw compressor, the airflow channel be formed as arc-shaped through-hole and with the suction chamber
Fixed scroll low-pressure admission road is docked and connected.
Further, the screw compressor, central angle corresponding to the arc length of the airflow channel are greater than 15 ° and are less than
60°；Spacing is arc length corresponding to 15 ° or more central angles between the two neighboring airflow channel.
Further, the screw compressor, the airflow channel are opened up around the frame member circumferencial direction as 4-10
It is a.
Further, the screw compressor, between the outboard end of the airflow channel and the outer edge surface of the frame member between
Away from 1mm or more.
Further, the screw compressor, the movable orbiting scroll of the inner end of the airflow channel and the screw compressor
Motion profile outboard end spacing 1mm or more.
Further, the screw compressor, the airflow channel circumferentially extending both ends cross section be line segment or/and
Shape made of curve construction.
Further, the screw compressor, the cross section be formed as arc, square, rectangle or it is trapezoidal in
One kind or combinations thereof.
Further, the screw compressor, the frame member include bracket and wear plate, and the wear plate is set to institute
It states between bracket and the movable orbiting scroll and fixed scroll of the screw compressor；The airflow channel is through the bracket and described wear-resisting
Piece opens up.
The utility model second aspect is designed to provide a kind of air-conditioning system, to solve whirlpool existing in the prior art
Revolve the technical problem that compressor body inspiratory resistance is big and power consumption is higher.
To achieve the above object, the utility model provides following technical scheme:
A kind of air-conditioning system provided by the utility model, including the scroll compression as described in the utility model first aspect
Machine.
The beneficial effects of the utility model are: by opening up at least one airflow channel in frame member, and airflow channel with
Suction chamber can be realized axial air-breathing and it is corresponding with the inlet end of suction chamber open up, change and by the circumferential air-breathing of clearance channel be
By the axial air-breathing of airflow channel, increases the cross-sectional area and longitudinal section product of air-breathing, inspiratory resistance is reduced, to reduce vortex
Compressor horsepower.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the utility model schematic cross-sectional view；
Fig. 2 is the utility model bracket schematic view of the front view；
Fig. 3 is screw compressor schematic cross-sectional view in the prior art；
Fig. 4 is enlarged structure schematic diagram at A in Fig. 3.
1- frame member in figure, 2- airflow channel, 11- bracket, 12- wear plate, 101- shell, 102- shell air entry,
103- motor, 104- first support, 105- clearance channel, 106- suction chamber, 107- fixed scroll low-pressure admission road.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
The utility model first aspect provides a kind of screw compressor, including frame member 1, and frame member 1 opens up at least one
A airflow channel 2.The air inlet end face of airflow channel 2 and the axial connection of the suction chamber 106 of screw compressor and corresponding suction chamber 106
Extend to increase air-breathing area.
Specifically, as depicted in figs. 1 and 2, wherein Fig. 1 is the utility model schematic cross-sectional view.Fig. 2 is that this is practical new
Type bracket schematic view of the front view.
Airflow channel 2 and suction chamber 106 are axial to be connected to, that is, airflow channel 2 on the axial direction of frame member 1 two
End is respectively corresponded to be connected to the shell air entry 102 of compressor and suction chamber 106, to increase the cross-sectional area of air-breathing.Air-flow
Channel 2 along suction chamber 106 air inlet end-face diameter to and circumferentially extending, as suction chamber 106 inlet end end face be circumferencial direction
Setting, then airflow channel 2 can be circumferentially extending with corresponding with the inlet end face of suction chamber 106.It is inhaled so as to increase
The longitudinal section product of gas.
Wherein, it should be noted that section is exactly the section that imagination cuts open object from somewhere.General cross section is in width
The section in direction, longitudinal section are from the section of length direction, such as a cylindrical body, its cross section is exactly a circle, indulge and cut
Face is exactly a rectangle；One cone, longitudinal section are triangle, and cross section is circle.The cross section of airflow channel 2 can be with
Longitudinal section for structural area shown in Fig. 2, airflow channel 2 can be structural area shown in Fig. 1.
The utility model is by opening up at least one airflow channel 2 in frame member 1, and airflow channel 2 and 106 energy of suction chamber
It is enough realize axial air-breathing and it is corresponding with the inlet end of suction chamber 106 open up, it is logical for changing and passing through the circumferential air-breathing of clearance channel 105
The axial air-breathing for crossing airflow channel 2 increases the cross-sectional area and longitudinal section product of air-breathing, inspiratory resistance is reduced, to reduce vortex
Compressor horsepower.
Optionally embodiment, airflow channel 2 are formed as arc-shaped through-hole and the fixed scroll low pressure with suction chamber 106
Air intake duct 107 is docked and connected.
Specifically, as depicted in figs. 1 and 2, when the end face of the inlet end of suction chamber 106 is that circumferencial direction is arranged, air-flow is logical
Road 2 is formed as circular arc type through-hole to be correspondingly arranged with the inlet end of suction chamber 106.Airflow channel 2 and suction chamber
106 fixed scroll low-pressure admission road 107 is docked and connected, that is, the one side of airflow channel 2 can be with fixed scroll low-pressure admission
Road 107 is inconsistent, to be conducive to the circulation of air-flow, reduces inspiratory resistance.
Certainly, the cross section of airflow channel 2 and the respective side in fixed scroll low-pressure admission road 107 can be greater than or equal to or small
In the cross section in fixed scroll low-pressure admission road 107, this is not restricted.
Because airflow channel 2 and fixed scroll low-pressure admission road 107 are docked and connected, and fixed scroll low-pressure admission road 107 is positioned at quiet
Whirlpool disk low-pressure area is necessary inlet channel.To which airflow channel 2 is not in compressional zone, therefore it can be avoided air-tightness problem.
Further, central angle corresponding to the arc length of airflow channel 2 is greater than 15 ° and less than 60 °.Two neighboring air-flow is logical
Spacing is arc length corresponding to 15 ° or more central angles between road 2.
Specifically, airflow channel 2 is formed as arc-shaped through-hole, the fixed scroll and dynamic whirlpool of frame member 1 and formation suction chamber 106
Disk coaxial arrangement, the inlet end of same suction chamber 106 can form the circumferential end surfaces coaxial with frame member 1.Airflow channel 2
The corresponding central angle of arc length can be arranged by starting point of the center of circle of frame member 1.In order to ensure the intensity of airflow channel 2, by air-flow
The corresponding central angle of the arc length in channel 2 is less than 60 °, and spacing is that 15 ° or more central angles are corresponding between two neighboring airflow channel 2
Arc length.In order to advantageously reduce inspiratory resistance, the corresponding central angle of the arc length of airflow channel 2 is greater than 15 °.
Further, it is 4-10 that airflow channel 2 is opened up around 1 circumferencial direction of frame member.
Specifically, as shown in Fig. 2, the port of the inlet end of suction chamber 106 and the circumferencial direction of frame member 1 are arranged in the same direction,
To which airflow channel 2 can be opened up around 1 circumferencial direction of frame member.For balanced processing cost and improve the uniformity of air-breathing,
Airflow channel 2 can be opened up around the circumferencial direction of frame member 1 as 4-10, and preferential can opening up is 7.
Optionally embodiment, spacing 1mm or more between the outboard end of airflow channel 2 and the outer edge surface of frame member 1.Into
One step, the inner end of airflow channel 2 and the movable orbiting scroll motion profile outboard end spacing 1mm or more of screw compressor.
Specifically, as shown in Figure 1, the edge surface of the outboard end of airflow channel 2 and frame member 1 either periphery there are
The distance of 1mm or more, so as to guarantee installation strength.The inner end of airflow channel 2 and the movable orbiting scroll of screw compressor move
Spacing between the outboard end of track has 1mm or more, space where entering movable orbiting scroll to avoid inspiratory airflow, close so as to guarantee
Feng Xing.
The cross section of optionally embodiment, the circumferentially extending both ends of airflow channel 2 is line segment or/and curve construction
Made of shape.Further, cross section is formed as arc, square, rectangle or one of trapezoidal or combinations thereof.
Specifically, as shown in Fig. 2, airflow channel 2 can be along the circumferentially extending of frame member 1, and the circumferential direction of airflow channel 2 is prolonged
It is length direction that the both ends stretched, which are extended in an axis direction direction, to radially extend direction as width direction.Therefore the both ends of airflow channel 2
Cross section is semi circular surface, it is, of course, also possible to be square face or one of rectangle face or trapezoidal faces or combinations thereof, herein not
It enumerates again.To which the cross section shape at the both ends of airflow channel 2 be arranged in the case where being conducive to processing and gas circulation
Shape.
Optionally embodiment, frame member 1 include bracket 11 and wear plate 12.Wear plate 12 be set to bracket 11 with
Between the movable orbiting scroll and fixed scroll of screw compressor.Airflow channel 2 is opened up through bracket 11 and wear plate 12.
Specifically, as depicted in figs. 1 and 2, wear plate 12 is for avoiding the rotation of movable orbiting scroll to abrasion caused by bracket 11.
Airflow channel 2 is opened up through bracket 11 and wear plate 12, that is, is matched on bracket 11 and the corresponding same position of wear plate 12
It runs jointly and sets airflow channel 2.
The utility model second aspect provides a kind of air-conditioning system, including the whirlpool as described in the utility model first aspect
Revolve compressor.
Specifically, by the detailed description of the screw compressor described in the utility model first aspect, affiliated technology
The readily available air-conditioning system including screw compressor according to the present utility model of the technical staff in field.
Here for first choice it should be noted that " inside " is directed towards the direction in accommodating space center, " outside " is far from accommodating
The direction in space center.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model can be to above-described embodiment
It is changed, modifies, replacement and variant, should be covered within the scope of the utility model.Therefore, the utility model
Protection scope should be based on the protection scope of the described claims.
Claims (10)
1. a kind of screw compressor, including frame member (1), which is characterized in that it is logical that the frame member (1) opens up at least one air-flow
Road (2), the airflow channel (2) is axially connected to the suction chamber (106) of the screw compressor and the corresponding suction chamber
(106) air inlet end face extends to increase air-breathing area.
2. screw compressor according to claim 1, which is characterized in that the airflow channel (2) is formed as arc-shaped logical
The fixed scroll low-pressure admission road (107) of suction chamber described in Kong Bingyu (106) is docked and connected.
3. screw compressor according to claim 2, which is characterized in that corresponding to the arc length of the airflow channel (2)
Central angle is greater than 15 ° and less than 60 °；Spacing is corresponding to 15 ° or more central angles between the two neighboring airflow channel (2)
Arc length.
4. screw compressor according to claim 2, which is characterized in that the airflow channel (2) is around the frame member
(1) it is 4-10 that circumferencial direction, which opens up,.
5. screw compressor according to claim 1, which is characterized in that the outboard end of the airflow channel (2) with it is described
Spacing 1mm or more between the outer edge surface of frame member (1).
6. screw compressor according to claim 5, which is characterized in that the inner end of the airflow channel (2) with it is described
The movable orbiting scroll motion profile outboard end spacing 1mm or more of screw compressor.
7. screw compressor according to claim 1, which is characterized in that the circumferentially extending both ends of the airflow channel (2)
Cross section be shape made of line segment or/and curve construction.
8. screw compressor according to claim 7, which is characterized in that the cross section is formed as arc, square, length
It is one of rectangular or trapezoidal or combinations thereof.
9. screw compressor according to claim 1, which is characterized in that the frame member (1) includes bracket (11) and resistance to
Be ground (12), the wear plate (12) be set to the bracket (11) and the screw compressor movable orbiting scroll and fixed scroll it
Between；The airflow channel (2) opens up through the bracket (11) and the wear plate (12).
10. a kind of air-conditioning system, which is characterized in that including screw compressor as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821946796.XU CN209370054U (en) | 2018-11-23 | 2018-11-23 | A kind of screw compressor and air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821946796.XU CN209370054U (en) | 2018-11-23 | 2018-11-23 | A kind of screw compressor and air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209370054U true CN209370054U (en) | 2019-09-10 |
Family
ID=67833822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821946796.XU Active CN209370054U (en) | 2018-11-23 | 2018-11-23 | A kind of screw compressor and air-conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209370054U (en) |
-
2018
- 2018-11-23 CN CN201821946796.XU patent/CN209370054U/en active Active
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