CN107654419A - Adjustable diffuser and centrifugal compressor - Google Patents
Adjustable diffuser and centrifugal compressor Download PDFInfo
- Publication number
- CN107654419A CN107654419A CN201711052600.2A CN201711052600A CN107654419A CN 107654419 A CN107654419 A CN 107654419A CN 201711052600 A CN201711052600 A CN 201711052600A CN 107654419 A CN107654419 A CN 107654419A
- Authority
- CN
- China
- Prior art keywords
- diffuser
- tumbler
- driver slot
- drive rod
- adjustable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000008859 change Effects 0.000 claims abstract description 17
- 230000006978 adaptation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 11
- 230000003068 static effect Effects 0.000 abstract description 5
- 238000009792 diffusion process Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 238000005096 rolling process Methods 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/002—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying geometry within the pumps, e.g. by adjusting vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/60—Control system actuates means
- F05D2270/62—Electrical actuators
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to an adjustable diffuser which comprises a static diffuser, a movable diffuser and a driving part, wherein the driving part comprises a driving rod and a rotating part, a driving groove extending along the circumferential direction is formed in the end face of one side of the rotating part, the depth of the driving groove gradually changes along the circumferential direction of the rotating part, one end of the driving rod is connected with the movable diffuser, and the other end of the driving rod extends into the driving groove and is abutted against the bottom of the driving groove. The invention also relates to a centrifugal compressor comprising the adjustable diffuser. Above-mentioned adjustable diffuser and centrifugal compressor realize the change of adjustable diffuser width through the cooperation of drive groove and guide arm, and the degree of depth in drive groove is direct relevant with the turned angle who rotates the piece, can be convenient adjust the width of adjustable diffuser, and the degree of depth in drive groove has guaranteed the steady of adjusting adjustable diffuser width process and has gone on along the circumference of rotating the piece gently.
Description
Technical field
The present invention relates to Compressor Technology field, more particularly to a kind of adjustable diffuser type and centrifugal compressor.
Background technology
In centrifugal compressor, diffuser can make the high velocity air by impeller discharge slow down, and effectively change kinetic energy
For pressure energy.Diffuser has large effect to the performance of compressor.Diffuser in centrifugal compressor is divided into adjustable diffusion
Two kinds of device and fixed diffuser.Adjustable diffuser type can be entered according to leading leaf divergence in the running of centrifugal compressor
The corresponding adjustment of row is turbulent to avoid producing.
Traditional adjustable diffuser type is typically driven by cam mechanism or eccentric mechanism, still suffers from regulation process
The problem of unstable and control process is complicated.
The content of the invention
Based on this, it is necessary to the unstable and control process still suffered from for traditional adjustable diffuser type during regulation
A kind of the problem of complicated, there is provided adjustable diffuser type and centrifugal compressor for steadily adjusting, being easy to control.
A kind of adjustable diffuser type, including：
Stationary diffuser；
Movable diffuser, it is oppositely arranged with the stationary diffuser；And
Driving part, including drive rod and tumbler, offer circumferentially on the end face of the tumbler side
Driver slot, the circumferential gradual change of the depth of the driver slot along the tumbler, one end of the drive rod and the work
Dynamic diffuser connection, the other end of the drive rod are stretched into the driver slot and abutted with the bottom land of the driver slot；
When the tumbler rotates, the drive rod drives the movable diffuser close or away from the static diffusion
Device.
In one of the embodiments, become between the depth value of the driver slot and the tumbler angle of revolution in function
Change.
In one of the embodiments, in sine between the angle of revolution of the depth value of the driver slot and the tumbler
Function changes.
In one of the embodiments, the quantity of the driver slot and the drive rod is multiple multiple drivings
Circumference of the groove along the tumbler is uniformly distributed, multiple drive rods respectively with multiple driver slot corresponding matchings and with institute
State movable diffuser connection, multiple drive rods and week of the position that the movable diffuser is connected along the movable diffuser
Edge is uniformly distributed.
In one of the embodiments, the bottom surface of the driver slot is lower arcuate surface, the drive rod and the tumbler
One end of abutting is the semiglobe that can be adapted to the lower arcuate surface of the driver slot.
In one of the embodiments, the driving part also includes elastic component, and the elastic component is sheathed on the driving
On bar, the elastic component can abut bottom land of the drive rod all the time with the driver slot.
In one of the embodiments, the driving part also includes Power Component, and the Power Component is passed by gear
Dynamic mode drives the tumbler to rotate.
In one of the embodiments, the Power Component includes motor, driving gear and driven gear ring, described driven
Gear ring is arranged and is fixed on the outer rim of the tumbler, and the output shaft of the driving gear and the motor is connected, described
Driving gear is connected with the driven gear ring.
A kind of centrifugal compressor, including impeller and diffuser, the impeller are coaxially disposed with the diffuser, the diffusion
Device is the adjustable diffuser type described in any one of such scheme.
In one of the embodiments, in addition to inlet guide vane and controller, the controller can control the entrance
Leaf divergence is led, the controller electrically connects with the motor, and the controller can be according to the aperture control of the inlet guide vane
Make the motor and carry out the rotation of respective angles so that the aperture of inlet guide vane described in the width adequate of adjustable diffuser type.
Above-mentioned adjustable diffuser type and centrifugal compressor, by being opened in the driver slot of the actuator end face and described
The change of adjustable diffuser type width, and angle of rotation of the depth of the driver slot directly with the tumbler are realized in the cooperation of guide rod
Degree is related, and easily the width of adjustable diffuser type can be adjusted, the week of the depth of the driver slot along the tumbler
To gradual change, the steady progress of regulation adjustable diffuser type width process ensure that.
Brief description of the drawings
Fig. 1 is the fixed structure diagrammatic cross-section that one embodiment of the invention provides；
Fig. 2 is the adjustable diffuser type that one embodiment of the invention provides and the assembling schematic diagram of impeller；
Fig. 3 is the tumbler structure of the main view that one embodiment of the invention provides；
Fig. 4 is the diagrammatic cross-section of tumbler structure shown in Fig. 3.
Wherein：
100- adjustable diffuser types
110- fixed structures
111- hollow cavities
112- air-out grooves
113- fixed lobes
120- stationary diffusers
130- activity diffusers
140- driving parts
141- Power Components
1411- motors
1412- driving gears
The driven gear rings of 1413-
142- tumblers
1421- driver slots
143- drive rods
144- elastic components
200- impellers
The depth value of d1, d2, d3, d4- driver slot diverse location
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, by the following examples, and combine attached
Figure, a kind of adjustable diffuser type and centrifugal compressor of the present invention are further elaborated.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element be referred to as " directly existing " another element " on " when,
In the absence of intermediary element.Term as used herein " vertically ", " horizontal ", "left", "right" and similar statement are
For illustrative purposes.Various different objects are drawn in the ratio for being easy to enumerate explanation in embodiment accompanying drawing, rather than by actual group
The ratio of part is drawn.
As shown in Figures 1 and 2, the adjustable diffuser type 100 that one embodiment of the invention provides includes fixed structure 110, static
Diffuser 120, movable diffuser 130 and driving part 140.Stationary diffuser 120 is fixedly installed on fixed structure 110.It is living
Dynamic diffuser 130 is oppositely arranged with stationary diffuser 120, and movable diffuser 130 can be close or away from stationary diffuser
120.Driving part 140 includes Power Component 141, drive rod 143 and tumbler 142.Tumbler 142 rotates and is arranged at fixation
Structure 110, tumbler 142 can be rotated by Power Component 141.Offered on the end face of the side of tumbler 142 along week
To the driver slot 1421 of extension.Circumferential gradual change of the depth of driver slot 1421 along tumbler 142.One end of drive rod 143
It is connected with movable diffuser 130, the other end of drive rod 143 is stretched into driver slot 1421 and supported with the bottom land of driver slot 1421
Connect.When tumbler 142 rotates, 143 drive activity diffuser of drive rod, 130 close or remote stationary diffuser 120.It is above-mentioned
Adjustable diffuser type 100, realize that adjustable diffuser type 100 is wide by being opened in the cooperation of driver slot 1421 and guide rod of actuator end face
The change of degree, and the depth of driver slot 1421 is directly related to the rotational angle of the tumbler 142, can be easily to adjustable
The width of diffuser 100 is adjusted.Circumferential gradual change of the depth of the driver slot 1421 along tumbler 142, will be rotated
The convert rotational motion of part 142 is the linear motion of movable diffuser 130, ensure that the regulation width process of adjustable diffuser type 100
Steady progress.
The effect of fixed structure 110 provided by the invention is the other parts of support, as long as the function of support can be realized
, the way of realization of the invention for being not intended to limit fixed structure 110.It is understood that fixed structure 110 can be single
Fixed structure, or a part for centrifugal compressor body.In an embodiment of the present invention, such as Fig. 1 institutes of fixed structure 110
Show.Overall fixed structure 110 is in the revolving body with circular hollow cavity 111.It is further opened with the end face of fixed structure 110
Circular air-out groove 112, the diameter of air-out groove 112 are more than the diameter of hollow cavity 111, air-out groove 112 and middle cavity
Body 111 connects.The end face relative spacing that stationary diffuser 120 opens up air-out groove 112 with fixed structure 110 is set.Activity
Diffuser 130 is movably set in the connection changeover portion of hollow cavity 111 and air-out groove 112, and movable diffuser 130 can be close
Or away from stationary diffuser 120 to change the diffusion width of flow path of adjustable diffuser type 100.The fixed structure that the present embodiment provides
110 be cast form or machining shaping.
Further, as shown in figure 1, side of the fixed structure 110 away from air-out groove 112 has cylindric fixed lobe
113, the hollow cavity 111 of fixed structure 110 runs through the center of fixed lobe 113.Tumbler 142 is annular in shape, tumbler 142
Inner ring rotates the fixed lobe 113 for being arranged at fixed structure 110.In other examples, tumbler 142 can also be plate-like
Or other shapes.As a kind of achievable mode, tumbler 142 is rotated by rolling bearing and is arranged at fixed lobe 113,
Substantially reduce the rotation friction between tumbler 142 and fixed lobe 113.Optionally, rolling bearing is deep groove ball bearing,
It is interference fit between the inner ring of tumbler 142 and the outer ring of rolling bearing, typically from N7/h6.For ease of by tumbler 142
And rolling bearing is fixed on the bearing of trend of fixed lobe 113, the outer rim of fixed lobe 113 has fixed stop.It is fixed
Block locks nut and tumbler 142 and rolling bearing is carried out into axial restraint.Optionally, fixed stop is convex in fixation
Play the multiple raised either in the circumferentially arranged ring-type in the outer surface of fixed lobe 113 of the circumferentially spaced setting in 113 outer surfaces
It is raised.The outer surface of fixed lobe 113 offers screw thread, and locking nut can be connected with the outer surface thread of fixed lobe 113.
As shown in figure 3, in an embodiment of the present invention, driver slot 1421 is opened in the end face of annular rotary element 142, driving
Change between the depth value of groove 1421 and the angle of revolution of tumbler 142 in function, be easy to the rotational angle meter according to tumbler 142
The distance between calculation activity diffuser 130 and stationary diffuser 120 change.Further, the depth value of driver slot 1421 is with turning
It is in varies with sinusoidal function between the angle of revolution of moving part 142.By the angle of revolution of the depth value of driver slot 1421 and tumbler 142
Between be designed as sine relation, be easy to the angle that turns over according to tumbler 142 quickly calculating activity diffuser 130 and static diffusion
The distance between device 120 changes, you can adjusts the change of the diffusion width of flow path of diffuser 100.Further, along tumbler 142 weeks
Angular range to the central angle of circular arc corresponding to the driver slot 1421 of extension is 60 ° to 90 °, the depth capacity of driver slot 1421
The excursion of difference is 20mm-50mm, you can adjusts the diffusion runner Breadth Maximum of diffuser 100 and the difference range of minimum widith
It is 20mm-500mm.In a specific embodiment, the angular range of the central angle of circular arc is corresponding to driver slot 1421
65 °, the depth capacity difference of driver slot 1421 is 30mm.As shown in Figures 3 and 4, when tumbler 142 rotates counterclockwise, with driving
The depth for the driver slot 1421 that bar 143 abuts gradually increases, i.e. d4 ＞ d3 ＞ d2 ＞ d1.
In an embodiment of the present invention, it is multiple as shown in Fig. 2 the quantity of driver slot 1421 and drive rod 143 is multiple
Driver slot 1421 is circumferentially distributed along tumbler 142, multiple drive rods 143 respectively with multiple corresponding matchings of driver slot 1421 and with
The diverse location connection of the movable periphery of diffuser 130.The setting of multiple driver slots 1421 and multiple drive rods 143, can be simultaneously
The various pieces of movable diffuser 130 are adjusted, ensure that distance between movable diffuser 130 and stationary diffuser 120
The accuracy of adjustment.Further, circumference of multiple driver slots 1421 along tumbler 142 is uniformly distributed, and multiple drive rods 143 are with living
Periphery of the position that dynamic diffuser 130 connects along movable diffuser 130 is uniformly distributed.Equally distributed driver slot 1421 and driving
Bar 143 ensure that the stability of the distance adjustment process between movable diffuser 130 and stationary diffuser 120.Using process
In, each drive rod 143 and driver slot 1421 uniform stressed, even wearing.Need to change drive rod 143 or tumbler 142
When once can all change, and then ensure that the stabilization of the adjustment process of distance between movable diffuser 130 and stationary diffuser 120
Property.
In an embodiment of the present invention, three through holes are uniformly offered along the gyratory directions of itself on fixed structure 110, three
The connection changeover portion of individual through hole insertion hollow cavity 111 and air-out groove 112.The quantity of driver slot 1421 and drive rod 143
And three, circumference of three driver slots 1421 along tumbler 142 is uniformly distributed, and three drive rods 143 are arranged in fixation respectively
Three through holes in structure 110.Three one end of drive rod 143 away from tumbler 142 edge with movable diffuser 130 respectively
Connection.As a kind of achievable mode, the edge of movable diffuser 130 uniformly offers three through holes, and drive rod 143 is close
One end of movable diffuser 130 has linkage section, and the diameter of linkage section is located in the part of fixed structure 110 less than drive rod 143
Diameter.The linkage section of three drive rods 143 is arranged in three through holes of movable diffuser 130 respectively, then using locking
Nut carries out axial restraint.
In an embodiment of the present invention, the bottom surface of driver slot 1421 is lower arcuate surface, and drive rod 143 supports with tumbler 142
The one end connect is the semiglobe that can be adapted to the lower arcuate surface of driver slot 1421.Driver slot 1421 with lower arcuate surface with
The drive rod 143 of hemisphere end face mutually abuts, and substantially reduces driver slot 1421 and driving in the rotation process of tumbler 142
Frictional force between bar 143.Optionally, the main part of drive rod 143 can be columned or other shapes
's.In the present embodiment, the main part of drive rod 143 is cylindric that overall cylindrical drive rod 143 is arranged in fixation
In structure 110, and it can be slided in the through hole of fixed structure 110.Further, between drive rod 143 and fixed structure 110 also
Linear bearing is provided with, to reduce frictional force of the drive rod 143 in sliding process between fixed structure 110.
In an embodiment of the present invention, as shown in Fig. 2 driving part 140 also includes elastic component 144, elastic component 144 is arranged
In on drive rod 143, elastic component 144 can drive bottom land of the drive rod 143 all the time with driver slot 1421 to abut.Elastic component 144
The characteristics of with simple in construction, stable performance, low cost.Specifically, drive rod 143 has lock close to one end of tumbler 142
Tight nut, elastic component 144 are arranged at end face of the fixed structure 110 away from air-out groove 112 with drive rod 143 close to tumbler
Between the locking nut of 142 one end.When tumbler 142 by the drive activity diffuser 130 of drive rod 143 close to static diffusion
During device 120, drive rod 143 is abutted by the position deeper with driver slot 1421 to be transitioned into the position shallower with driver slot 1421 and supports
Connect, elastic component 144 bears pressure and elastic deformation occurs.When tumbler 142 inverts, under the promotion of elastic component 144, driving
Bar 143 is abutted by the position shallower with driver slot 1421 to be transitioned into the position deeper with driver slot 1421 and abuts.Elastic component 144
Effect be drive activity diffuser 130 away from stationary diffuser 120, and ensure bottom of the drive rod 143 all the time with driver slot 1421
Face abuts.Optionally, elastic component 144 is spring.
In an embodiment of the present invention, as shown in Figures 2 and 4, Power Component 141 is driven by gear-driven mode and turned
Moving part 142 rotates.By having the characteristics of high transmission accuracy, transmission process are stable between precision machined gear.As one kind
Achievable mode, Power Component 141 include motor 1411, driving gear 1412 and driven gear ring 1413, driven gear ring
1413 are arranged and are fixed on the outer rim of tumbler 142, and the output shaft of driving gear 1412 and motor 1411 is connected, driving tooth
Wheel 1412 is connected with driven gear ring 1413.Further, key is passed through between the output shaft of motor 1411 and driving gear 1412
Connection.Engaged transmission between driving gear 1412 and driven gear ring 1413.The inner ring of driven gear ring 1413 is outer with tumbler 142
Interference connects between circle.In a specific embodiment, motor 1411 is asynchronous machine.In other examples, motor
1411 be other kinds of motor.Certainly, in the other embodiment of the present invention, driven gear ring 1413 can also be to be arranged to turn
Teeth portion in the outer rim of moving part 142.
The present invention also provides a kind of centrifugal compressor, including impeller 200 and diffuser, and impeller 200 is coaxially set with diffuser
Put, diffuser is the adjustable diffuser type 100 described in any one of such scheme.Impeller 200 is arranged on the middle cavity of fixed structure 110
The connection changeover portion of body 111 and air-out groove 112.Impeller 200 is realized by the main shaft being fixedly connected with itself and rotated.Impeller
The axis of 200 main shafts of itself overlaps with the centre of gyration of fixed structure 110.Further, centrifugal compressor is also led including entrance
Leaf and controller, controller can control the aperture of inlet guide vane, and controller electrically connects with motor 1411, and controller being capable of basis
The aperture controlled motor 1411 of inlet guide vane carries out the rotation of respective angles so that the width adequate entrance of adjustable diffuser type 100 is led
Leaf divergence.The linkage between the exit width of guide vane opening and adjustable diffuser type 100 is realized by controller, is not only easy to reality
It is existing, and cost is cheap.When the aperture increase of inlet guide vane, driving part 140 drives the rotate counterclockwise of tumbler 142, in bullet
Under the promotion of property part 144, movable diffuser 130 is away from stationary diffuser 120 to increase the width of diffusion runner.Work as inlet guide vane
Aperture reduce when, driving part 140 drive tumbler 142 turn clockwise, under the promotion of drive rod 143, movable diffusion
Device 130 is close to stationary diffuser 120 to reduce the width of diffusion runner.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. adjustable diffuser type, it is characterised in that including：Stationary diffuser (120)；Movable diffuser (130), is oppositely arranged with the stationary diffuser (120)；AndDriving part (140), including drive rod (143) and tumbler (142), on the end face of tumbler (142) side Offer driver slot (1421) circumferentially, the circumference of the depth of the driver slot (1421) along the tumbler (142) Gradual change, one end of the drive rod (143) are connected with the movable diffuser (130), the drive rod (143) it is another End is stretched into the driver slot (1421) and abutted with the bottom land of the driver slot (1421)；When the tumbler (142) rotates, the drive rod (143) drives the movable diffuser (130) close or remote The stationary diffuser (120).
- 2. adjustable diffuser type according to claim 1, it is characterised in that the depth value of the driver slot (1421) with it is described Change between tumbler (142) angle of revolution in function.
- 3. adjustable diffuser type according to claim 2, it is characterised in that the depth value of the driver slot (1421) with it is described It is in varies with sinusoidal function between the angle of revolution of tumbler (142).
- 4. adjustable diffuser type according to claim 1, it is characterised in that the driver slot (1421) and the drive rod (143) quantity is multiple, and circumference of multiple driver slots (1421) along the tumbler (142) is uniformly distributed, multiple The drive rod (143) is connected with multiple driver slot (1421) corresponding matchings and with the movable diffuser (130) respectively, Multiple drive rods (143) and periphery of the position that the movable diffuser (130) is connected along the movable diffuser (130) It is uniformly distributed.
- 5. adjustable diffuser type according to claim 1, it is characterised in that the bottom surface of the driver slot (1421) is arcuate bottom Face, the drive rod (143) is with one end that the tumbler (142) abuts can be with the arcuate bottom of the driver slot (1421) The semiglobe of face adaptation.
- 6. adjustable diffuser type according to claim 1, it is characterised in that the driving part (140) also includes elastic component (144), the elastic component (144) is sheathed on the drive rod (143), and the elastic component (144) can make the drive rod (143) bottom land all the time with the driver slot (1421) abuts.
- 7. according to the adjustable diffuser type described in claim any one of 1-6, it is characterised in that the driving part (140) is also wrapped Power Component (141) is included, the Power Component (141) drives the tumbler (142) to rotate by gear-driven mode.
- 8. adjustable diffuser type according to claim 7, it is characterised in that the Power Component (141) includes motor (1411), driving gear (1412) and driven gear ring (1413), the driven gear ring (1413) are arranged and are fixed on described turn The outer rim of moving part (142), the driving gear (1412) and the output shaft of the motor (1411) are connected, the driving tooth (1412) are taken turns to be connected with the driven gear ring (1413).
- 9. a kind of centrifugal compressor, including impeller (200) and diffuser, the impeller (200) is coaxially disposed with the diffuser, Characterized in that, the diffuser is the adjustable diffuser type (100) described in claim any one of 1-8.
- 10. centrifugal compressor according to claim 9, it is characterised in that also including inlet guide vane and controller, the control Device processed can control the aperture of the inlet guide vane, and the controller electrically connects with the motor (1411), the controller energy It is enough that the rotation that the motor (1411) carries out respective angles is controlled so that adjustable diffuser type according to the aperture of the inlet guide vane (100) aperture of inlet guide vane described in width adequate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052600.2A CN107654419A (en) | 2017-10-30 | 2017-10-30 | Adjustable diffuser and centrifugal compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052600.2A CN107654419A (en) | 2017-10-30 | 2017-10-30 | Adjustable diffuser and centrifugal compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107654419A true CN107654419A (en) | 2018-02-02 |
Family
ID=61096826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711052600.2A Pending CN107654419A (en) | 2017-10-30 | 2017-10-30 | Adjustable diffuser and centrifugal compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107654419A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387459A (en) * | 2017-08-30 | 2017-11-24 | 北京航空航天大学 | A kind of centrifugal blower inlet guide vane and diffuser vane simultaneously match governor motion |
| CN109356886A (en) * | 2018-12-17 | 2019-02-19 | 珠海格力电器股份有限公司 | Centrifugal compressor and diffuser device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1190796A (en) * | 1966-09-06 | 1970-05-06 | Carrier Corp | Centrifugal Gas Compressor |
| JPS6263141A (en) * | 1985-09-13 | 1987-03-19 | ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Fuel injection pump for internal combustion engine |
| CN2536821Y (en) * | 2001-12-06 | 2003-02-19 | 重庆通用工业(集团)有限责任公司 | Adjustable guide blade and diffuser linkage device for inlet of centrifugal refrigerating compressor |
| JP2008095678A (en) * | 2006-09-15 | 2008-04-24 | Toyota Industries Corp | Centrifugal compressor |
| CN101173683A (en) * | 2006-10-30 | 2008-05-07 | 三菱重工业株式会社 | Centrifugal compressor |
| JP2011220230A (en) * | 2010-04-09 | 2011-11-04 | Toyota Motor Corp | Centrifugal compressor |
| JP2016011676A (en) * | 2014-06-27 | 2016-01-21 | Ntn株式会社 | Electric linear actuator and electric disc brake device |
| CN105351390A (en) * | 2015-11-28 | 2016-02-24 | 贵州航天林泉电机有限公司 | Unidirectional constant-torque transmission structure |
| CN207539094U (en) * | 2017-10-30 | 2018-06-26 | 珠海格力电器股份有限公司 | Adjustable diffuser and centrifugal compressor |
-
2017
- 2017-10-30 CN CN201711052600.2A patent/CN107654419A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1190796A (en) * | 1966-09-06 | 1970-05-06 | Carrier Corp | Centrifugal Gas Compressor |
| JPS6263141A (en) * | 1985-09-13 | 1987-03-19 | ロ−ベルト・ボツシユ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Fuel injection pump for internal combustion engine |
| CN2536821Y (en) * | 2001-12-06 | 2003-02-19 | 重庆通用工业(集团)有限责任公司 | Adjustable guide blade and diffuser linkage device for inlet of centrifugal refrigerating compressor |
| JP2008095678A (en) * | 2006-09-15 | 2008-04-24 | Toyota Industries Corp | Centrifugal compressor |
| CN101173683A (en) * | 2006-10-30 | 2008-05-07 | 三菱重工业株式会社 | Centrifugal compressor |
| JP2011220230A (en) * | 2010-04-09 | 2011-11-04 | Toyota Motor Corp | Centrifugal compressor |
| JP2016011676A (en) * | 2014-06-27 | 2016-01-21 | Ntn株式会社 | Electric linear actuator and electric disc brake device |
| CN105351390A (en) * | 2015-11-28 | 2016-02-24 | 贵州航天林泉电机有限公司 | Unidirectional constant-torque transmission structure |
| CN207539094U (en) * | 2017-10-30 | 2018-06-26 | 珠海格力电器股份有限公司 | Adjustable diffuser and centrifugal compressor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387459A (en) * | 2017-08-30 | 2017-11-24 | 北京航空航天大学 | A kind of centrifugal blower inlet guide vane and diffuser vane simultaneously match governor motion |
| CN107387459B (en) * | 2017-08-30 | 2019-01-29 | 北京航空航天大学 | A kind of centrifugal blower inlet guide vane and diffuser vane simultaneously match regulating mechanism |
| CN109356886A (en) * | 2018-12-17 | 2019-02-19 | 珠海格力电器股份有限公司 | Centrifugal compressor and diffuser device |
| WO2020125193A1 (en) * | 2018-12-17 | 2020-06-25 | 珠海格力电器股份有限公司 | Centrifugal compressor and diffuser device |
| US11578733B2 (en) | 2018-12-17 | 2023-02-14 | Gree Electric Appliances, Inc. Of Zhuhai | Centrifugal compressor and diffuser |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207539094U (en) | Adjustable diffuser and centrifugal compressor | |
| WO2008124758A1 (en) | Centrifugal compressor having adjustable inlet guide vanes | |
| CN105545807B (en) | Blade pitch angle variable vane wheel | |
| AU2017352546B2 (en) | Fan blade regulation device and counter-rotating axial-flow fan | |
| CN104564833A (en) | guide vane assembly, centrifugal compressor and air conditioner | |
| CN107654419A (en) | Adjustable diffuser and centrifugal compressor | |
| JP2016528441A (en) | Regulator assembly and centrifugal compressor | |
| WO2012036033A1 (en) | Planetary gear device | |
| KR20180044699A (en) | Variable vane pump | |
| JP7496633B2 (en) | Fan Wheel | |
| WO2013042537A1 (en) | Reduction device | |
| JP2016008633A (en) | Inscription gear type speed reducer | |
| KR20170063443A (en) | Circular wave drive | |
| CA2833593A1 (en) | Rotors formed using involute curves | |
| CN102734224B (en) | Synchronous regulating device with inlet guide blades for high-speed centrifugal fan | |
| CN103511247B (en) | A kind of internally meshed rotor pump with rotating oil distribution casing | |
| CN206429394U (en) | A kind of spacing swinging blower fan of slide plate root roller | |
| JP2017527736A (en) | Mechanism for driving a member for adjusting the orientation of the blade | |
| CN210686869U (en) | Differential cycloid speed variator | |
| CN108412799A (en) | The compressor case and its volume adjustment method of adjustable axial groove volume | |
| EP3303842B1 (en) | Variable pendulum slider lubrication pump | |
| CN211009755U (en) | Differential cycloid speed variator | |
| KR101525761B1 (en) | Planetary reduction gear | |
| US20170089357A1 (en) | Compressor housing with variable diameter diffuser | |
| CN208935326U (en) | Speed reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |