CN106837853A - Impeller and the pump machine and fluid delivery system using the impeller - Google Patents

Impeller and the pump machine and fluid delivery system using the impeller Download PDF

Info

Publication number
CN106837853A
CN106837853A CN201510882338.9A CN201510882338A CN106837853A CN 106837853 A CN106837853 A CN 106837853A CN 201510882338 A CN201510882338 A CN 201510882338A CN 106837853 A CN106837853 A CN 106837853A
Authority
CN
China
Prior art keywords
impeller
wheel disc
equal
pump
drive mechanism
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
Application number
CN201510882338.9A
Other languages
Chinese (zh)
Inventor
方传慧
薛枫
陈名举
刘锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson Electric Shenzhen Co Ltd
Original Assignee
Johnson Electric Shenzhen Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Johnson Electric Shenzhen Co Ltd filed Critical Johnson Electric Shenzhen Co Ltd
Priority to CN201510882338.9A priority Critical patent/CN106837853A/en
Priority to DE102016123171.1A priority patent/DE102016123171A1/en
Priority to MX2016015843A priority patent/MX2016015843A/en
Priority to US15/369,126 priority patent/US20170159669A1/en
Priority to JP2016235763A priority patent/JP2017115866A/en
Publication of CN106837853A publication Critical patent/CN106837853A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/18Rotors
    • F04D29/22Rotors specially for centrifugal pumps
    • F04D29/2205Conventional flow pattern
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/18Rotors
    • F04D29/22Rotors specially for centrifugal pumps
    • F04D29/2205Conventional flow pattern
    • F04D29/2216Shape, geometry
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0606Canned motor pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/18Rotors
    • F04D29/22Rotors specially for centrifugal pumps
    • F04D29/2205Conventional flow pattern
    • F04D29/2222Construction and assembly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/18Rotors
    • F04D29/22Rotors specially for centrifugal pumps
    • F04D29/24Vanes
    • F04D29/242Geometry, shape
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/4293Details of fluid inlet or outlet

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 present invention relates to a kind of impeller and the pump machine and fluid delivery system using the impeller.The pump machine drive mechanism and the as above impeller described in any one, the impeller are connected in the drive mechanism, and the drive mechanism is used to drive the wheel rotation.The impeller includes wheel disc and the multiple linear leafs and multiple short blades that are arranged on the wheel disc, the impeller also includes the shaft being arranged on the wheel disc, multiple linear leafs and multiple short blades are alternately disposed on the wheel disc, and are set around the shaft;Wherein, the linear leaf and the short blade are arc shaped blade.The efficiency of above-mentioned fluid delivery system, pump machine and its impeller is of a relatively high.

Description

Impeller and the pump machine and fluid delivery system using the impeller
Technical field
The present invention relates to a kind of impeller, more particularly to a kind of receded disk impeller and pump machine and the fluid conveying using the impeller Device.
Background technology
Centrifugal pump machine is typically rotated by motor impeller, before pump machine is started, liquid is full of in pump case and suction line Body.When impeller rotates at a high speed, impeller drives interlobate liquid to rotate together, and due to the effect of centrifugal force, liquid is from impeller Center is thrown toward impeller outer edge, and kinetic energy is consequently increased.After liquid enters pump casing, due to the runner in scroll casing shape pump casing Gradually expand, flow rate of liquid is gradually reduced, a part of kinetic energy is changed into static energy, then liquid with pressure higher along outlet Outflow;At the same time, certain vacuum is formed at impeller central because liquid is thrown out of, and the pressure at liquid level is than in impeller It is high at the heart, therefore, the liquid of suction line enters in pump machine under differential pressure action.Impeller does not stop rotation, liquid also it is continuous not Disconnected being inhaled into and extruding, to reach the purpose of conveying liquid.
The impeller of traditional centrifugal pump machine, it includes wheel disc and the straight blades being arranged on the wheel disc.In order that pump The flowing of liquid is more stable in machine, and the blade is typically to be distributed on the impeller, however, this centrifugal pump machine conveying liquid Body it is less efficient.
The content of the invention
In view of above-mentioned condition, it is necessary to provide a kind of efficiency impeller higher and pump machine and the fluid conveying using the impeller Device.
A kind of impeller, it includes wheel disc and the multiple linear leafs and multiple short blades that are arranged on the wheel disc, described Impeller also includes the shaft being arranged on the wheel disc, and multiple linear leafs and multiple short blades are alternately disposed at institute State on wheel disc, and set around the shaft;Wherein, the linear leaf and the short blade are arc shaped blade.
Used as a kind of preferred scheme, the shaft is to protrude out the cylinder being arranged on the wheel disc.
As a kind of preferred scheme, the distance between the original position of each linear leaf and described shaft periphery wall It is more than or equal to 0.219 and less than or equal to 0.4 with the ratio of the diameter of the wheel disc;
And/or, the original position of the linear leaf of the original position of each short blade and setting adjacent thereto it Between distance, with the ratio of the diameter of the wheel disc more than or equal to 0.219 and less than or equal to 0.4.
Used as a kind of preferred scheme, multiple linear leafs are evenly spaced from one another to be arranged on the wheel disc, multiple described Short blade is evenly spaced from one another to be arranged on the wheel disc, the institute of the original position of each short blade and setting adjacent thereto State the distance between original position of linear leaf equal;
Or, multiple linear leafs are evenly spaced from one another to be arranged on the wheel disc, and multiple short blades are equal each other It is even to be arranged at intervals on the wheel disc, the linear leaf of the original position of each short blade and setting adjacent thereto rise Beginning, the distance between position was not all equal.
As a kind of preferred scheme, balance pipe is offered on the wheel disc, the balance pipe is set through the wheel disc.
Used as a kind of preferred scheme, the quantity of the balance pipe is multiple, and multiple balance pipes are uniformly distributed in described On wheel disc.
Used as a kind of preferred scheme, the central point of multiple balance pipes is located on same circumference, the diameter of the circumference It is more than or equal to 0.36 and less than or equal to 0.9 with the ratio ratio of the diameter of the wheel disc;
And/or, the cross-sectional area of the balance pipe is more than or equal to 9mm2And less than or equal to 240mm2
And/or, at least one being shaped as in following shape of the balance pipe:Circular port, square opening, it is tri-angle-holed, Rectangular opening.
Used as a kind of preferred scheme, the junction of the shaft and the wheel disc is connected for rounding off.
A kind of pump machine, it includes the impeller described in drive mechanism and as above any one, and the impeller is connected to the driving In mechanism, the drive mechanism is used to drive the wheel rotation.
Used as a kind of preferred scheme, the pump machine also includes pump case, and the pump case is spiral case;The spiral case include housing and It is arranged at the lid on the housing;The drive mechanism is arranged on the lid, and the impeller is contained in the housing In inner chamber.
As a kind of preferred scheme, the diameter and the wheel diameter of the first paragraph inwall circular arc of the inner chamber of the housing Ratio is more than or equal to 1.05 and less than or equal to 1.1;
And/or, the ratio of the exit flow area of the spiral case and the impeller outlet flow area more than or equal to 0.2 and Less than or equal to 0.5;
And/or, when the impeller is contained in the inner chamber of the housing, the bottom wall of the impeller and the inner chamber of the housing The distance between with the ratio of the wheel diameter more than or equal to 0.04 and less than or equal to 0.12.
Used as a kind of preferred scheme, the housing includes resettlement section and diversion division, and the impeller is contained in the resettlement section In, the cover cap is on the resettlement section;The diversion division is arranged at the side of the resettlement section.
As a kind of preferred scheme, runner is offered inside the diversion division, the inner chamber of the runner and the resettlement section Connection, the diameter of the runner gradually increases along the direction away from the resettlement section;
And/or, the pump machine is also included into flow tube, it is described enter flow tube be arranged on the resettlement section away from the lid Side, it is described enter flow tube inner chamber and the resettlement section intracavity inter-connection.
Used as a kind of preferred scheme, the lid includes that installing department and the lid being arranged on the installing department set portion, institute State the lid portion of setting to be covered on the housing, the drive mechanism is installed in the installing department.
Used as a kind of preferred scheme, the pump machine also includes mounting seat, and the installing department of the lid is fixedly installed on In the mounting seat.
Used as a kind of preferred scheme, the mounting seat includes pedestal and the holding parts being arranged on the pedestal, described solid Holding portion includes two claws being oppositely arranged, and the installing department is held between two claws.
Used as a kind of preferred scheme, the drive mechanism is monophase machine.
The pump machine of the invention, because its impeller employs the arc shaped blade structure that length is arranged alternately, makes the snail The design of shell inner flow passage is further optimized, so that the flowing of fluid is more smooth and stablizes, the transfer efficiency phase of fluid To higher.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the pump machine of embodiment of the present invention.
Fig. 2 is the three-dimensional exploded view of pump machine shown in Fig. 1.
Fig. 3 is the three-dimensional exploded view of another visual angle of pump machine shown in Fig. 1.
Fig. 4 is the generalized section along IV-IV lines of the pump case of pump machine shown in Fig. 1.
Fig. 5 is the schematic perspective view of the impeller of pump machine shown in Fig. 2.
Fig. 6 is the orthographic projection schematic diagram of the impeller of pump machine shown in Fig. 5.
Fig. 7 is generalized section of the pump machine shown in Fig. 1 along VII-VII lines.
Main element symbol description
Following specific embodiment will further illustrate the present invention with reference to above-mentioned accompanying drawing.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
It should be noted that when component is referred to as " being fixed on " another component, it can directly on another component Or can also there is component placed in the middle.When a component is considered as " connection " another component, it can be directly connected to To another component or may be simultaneously present component placed in the middle.When a component is considered as " being arranged at " another component, it Can be set directly on another component or may be simultaneously present component placed in the middle.Term as used herein " vertical " And similar statement is for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article with belong to technical field of the invention The implication that technical staff is generally understood that is identical.The term for being used in the description of the invention herein is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases The arbitrary and all of combination of the Listed Items of pass.
Refer to Fig. 1, the pump machine 100 that an embodiment of the present invention is provided, it is used to aspirate the liquid such as water, oil, by liquid Body is delivered in another container or external environment from a container, for example, water is discharged outside pond from pond.In this implementation In mode, the pump machine 100 is centrifugal pump machine.It is understood that the pump machine 100 can be also used for aspirating and/or discharge The fluid with mobility such as gas.
In the present embodiment, the pump machine 100 is single-phase pump.Please refer to Fig. 2 and Fig. 3, the pump machine 100 includes Mounting seat 10, pump case 30, drive mechanism 50 and impeller 70.Specifically in the illustrated embodiment, the pump case 30 is connected to institute State in mounting seat 10, the drive mechanism 50 and the impeller 70 are contained in the pump case 30, wherein, the impeller 70 is set In in the drive mechanism 50.The drive mechanism 50 is used to drive the impeller 70 to rotate, by liquid from the pump case 30 Side be delivered to opposite side, so as to realize pump machine transport fluid purpose.
In the present embodiment, the substantially irregular block pedestal of the mounting seat 10, it is used to install the pump case 30, and the electric control element (not shown) of the operation of pump machine 100 is driven for housing.
The mounting seat 10 includes pedestal 12 and is arranged at the holding parts 14 of the pedestal 12.Set in the pedestal 12 There is the electric control element.It is understood that in other some embodiments, others can also be set in the pedestal 12 Element, such as heat dissipation element.The holding parts 14 are arranged at the side of the pedestal 12, and it includes two claws 141.Two institutes State claw 141 mutually adjacent and be intervally installed, two claws 141 are used to hold the pump case 30.It is appreciated that institute The quantity for stating claw 141 is not limited to two, and it can also be three, four or more.
In the present embodiment, the pump case 30 is spiral case.The pump case 30 includes lid 32, housing 34 and enters flow tube 36.It is specific that the lid 32 covers the side for being located at the housing 34 in the illustrated embodiment, it is described enter flow tube 36 be arranged on institute State the opposite side of housing 34.
The lid 32 includes that installing department 321 and the lid being connected on the installing department 321 set portion 323.The installing The generally hollow tubular in portion 321, it is installed on the holding parts 14, and between two claws 141.The dress If portion 321 is used to house the drive mechanism 50.The lid sets one end that portion 323 is arranged at the installing department 321, and it is used to cover If the housing 34.
The housing 34 is arranged at the lid and sets in portion 323, and it includes resettlement section 341 and is arranged at the resettlement section 341 On diversion division 343.Host cavity 3411 is offered on the resettlement section 341, in the host cavity 3411 and the lid 32 Chamber connects, and it is used to house the impeller 70.The diversion division 343 is in substantially hollow tubular, and it is arranged at the resettlement section 341 Side, and be connected with the rounding off of the resettlement section 341, and the diversion division 343 central axis be approximately perpendicular to it is described The central axis of resettlement section 341.First flow 3431 is offered along its axis direction in the diversion division 343, it is described first-class Road 3431 is connected with the host cavity 3411, its passage for being used to provide the circulation of the fluids such as water, oil, gas body.
It is described enter flow tube 36 substantially be in hollow tubular, its be arranged at the resettlement section 341 away from the lid 32 side, And it is described enter flow tube 36 central axis it is almost parallel or coincide with the central axis of the resettlement section 341.It is described enter flow tube 36 Second flow channel 361 is offered in the axial direction, and the second flow channel 361 is connected with the host cavity 3411, and it is used to provide The passage of the fluids such as water, oil, gas body circulation.When the drive mechanism 50 drives the impeller 70 to rotate, in the pump machine 100 Fluid can by it is described enter flow tube 36 enter in the host cavity 3411, and from the host cavity 3411 via the diversion division 343 discharges.
Please refer to Fig. 4, the housing 34 is scroll casing shape, and Fig. 4 shows the cross section profile of the inner chamber of the housing 34 Schematic diagram.The cross section profile of the inner chamber of the resettlement section 341 is substantially approached by four arcses and formed, and remembers the resettlement section 341 A diameter of D1 of first paragraph inwall circular arc.The diameter of the first flow 3431 in the diversion division 343 is towards away from the receipts The direction of cavity volume 3411 gradually increases, so that the dynamic head of the fluid of outflow is changed into hydrostatic head from the resettlement section 341, protects The stationarity of card fluid conveying.
Further, the diversion division 343 is connected smoothly to form the shell of the scroll casing shape with the resettlement section 341 Body 34, the exit flow area for remembering the spiral case is A1.
Referring to Fig. 2 and Fig. 3, in the present embodiment, the drive mechanism 50 is electric rotating machine, it is preferable that institute Drive mechanism 50 is stated for monophase machine.The drive mechanism 50 is arranged within the installing department 321 of the lid 32, its use Rotated in the impeller 70 is driven.Specifically, the drive mechanism 50 includes driving body 52 and is arranged at the driving Drive shaft 54 on body 52, the driving body 52 is fixedly installed in the installing department 321.The drive shaft 54 is arranged at It is described to drive near one end of the housing 34 on body 52, and by extending to the receipts of the housing 34 in the lid 32 In cavity volume 3411.The drive shaft 54 can drive being rotated by for body 52 described, to drive the impeller 70 to rotate.
In the present embodiment, the drive mechanism 50 is brushless single phase motor, and it can be in the control of its electron speed regulator Directional-rotation is realized under system, and without setting extra non-return mechanism in the pump machine 100, improves the pump machine 100 Running efficiency and operation stability.
Please refer to Fig. 5, the impeller 70 is installed in the drive shaft 54, and is contained in the host cavity 3411 It is interior.The impeller 70 includes wheel disc 72, shaft 74, linear leaf 76 and short blade 78.Specifically in the illustrated embodiment, institute The approximate centre position that shaft 74 is arranged at the wheel disc 72 is stated, the linear leaf 76 and the short blade 78 are arranged on described On wheel disc 72.
Please refer to Fig. 6, the wheel disc 72 is substantially in the form of annular discs, and its fixed cover is in the drive shaft 54, and energy It is enough to be rotated under the drive of the drive shaft 54.Remember a diameter of D2 of the wheel disc 72, the diameter of the wheel disc 72 is the leaf The diameter of wheel 70.Remember the diameter D1 and the wheel disc 72 of the first paragraph inwall circular arc of the resettlement section 341 of the housing 34 The ratio of diameter D2 (impeller diameter D2) is m, wherein, m is more than or equal to 1.05 and less than or equal to 1.1.I.e.:
M=D1:D2=1.05~1.10
Balance pipe 721 is provided with the wheel disc 72.In the present embodiment, the balance pipe 721 is through the wheel The through hole of disk 72, its quantity is three.Three balance pipes 721 are in equilateral triangle centered on the central point of the wheel disc 72 Distribution, and be spaced and be evenly distributed on the wheel disc 72.In the present embodiment, the balance pipe 721 is manhole. The central point of three balance pipes 721 falls on same circumference, circumference where the central point of three balance pipes 721 of note A diameter of D3, i.e. the position diameter of three balance pipes 721 is designated as D3.
The balance pipe 721 on the wheel disc 72, may be such that the fluid pressure balance of the both sides of the wheel disc 72, keep institute State the slow-roll stabilization of impeller 70 such that it is able to reduce the operational vibration of the pump machine 100, it is ensured that the work effect of the pump machine 100 Rate.
It is understood that the shape of the balance pipe 721 to be not limited to circle as described above poroid, it can be with It is designed as the hole of other shapes, such as tri-angle-holed, square opening, rectangular opening or other polygonal holes, it is also designed to As above the combination in the hole of any number of shapes, it is only necessary to which wheel disc 72 described in ensureing the insertion of three balance pipes 721 is set, and uniformly It is suffered when rotating to reduce the impeller 70 on the wheel disc 72 so that the fluid pressure balance of the both sides of the wheel disc 72 Axial vibrations.It can also be appreciated that the quantity of the balance pipe 721 is not limited to three, its can for four, five It is individual, six or more.
Preferably, diameter D2 (impeller diameter D2) of three position diameter D3 of the balance pipe 721 and the wheel disc 72 Ratio more than or equal to 0.36 and less than or equal to 0.9.That is, three the position diameter D3 and the wheel disc 72 of the balance pipe 721 The ratio of diameter D2 (impeller diameter D2) is:
D3:D2=0.36~0.9
When three position diameter D3 of the balance pipe 721 and the ratio model of diameter D2 (impeller diameter D2) of the wheel disc 72 Enclose for 0.36~0.9 when, the axial force received when rotating of the impeller 70 is relatively smaller such that it is able to rotate the impeller 70 Steadily, it is ensured that the operating efficiency of the pump machine 100.
The cross-sectional area of each balance pipe 721 is designated as S1, it is preferable that S1 is more than or equal to 9mm2And be less than or equal to 240mm2.That is, S1=9~240mm2
The shaft 74 is substantially cylindrical, and it is generally perpendicularly arranged at the wheel disc 72 away from the drive shaft 54 Side, and the shaft 74 is coaxially disposed with the drive shaft 54.The shaft 74 is located at three balance pipes 721 Between.Connection between the end of the shaft 74 and the wheel disc 72 is rounding off connection, is beneficial to the holding leaf The rotational stability of wheel 70.
The quantity of the linear leaf 76 is multiple, and multiple linear leafs 76 are arranged at the wheel adjacent to the shaft 74 On disk 72, and multiple linear leafs 76 surround and are arranged at around the shaft 74.In the present embodiment, it is described to come into leaves The quantity of piece 76 is three, and three linear leafs 76 are uniformly distributed along the circumference of the wheel disc 72.Each described linear leaf 76 It is arc shaped blade, and three linear leafs 76 are along the radial radiation of the wheel disc 72, until extending to the side of the wheel disc 72 Edge.Remember the original position of each linear leaf 76 to the distance of the periphery wall of the shaft 74 be T1.
Preferably, the distance between the original position of each linear leaf 76 and the periphery wall of the shaft 74 T1 and institute The ratio for stating diameter D2 (impeller diameter D2) of wheel disc 72 is:
T1:D2=0.219~0.4
The distance between original position and the periphery of the shaft 74 when each linear leaf 76 T1 and the wheel disc When the ratio range of 72 diameter D2 (impeller diameter D2) is 0.219~0.4, the width design of the inner flow passage of the housing 34 is obtained Optimization, so that the more stable smoothness of the flowing of the fluid in the housing 34, while the impurity in fluid can be avoided in leaf The porch of wheel 70 produces blocking.
The quantity of the short blade 78 is multiple, and multiple short blades 78 are arranged at the wheel adjacent to the shaft 74 On disk 72, and multiple short blades 78 surround and are arranged at around the shaft 74.In the present embodiment, the short leaf The quantity of piece 78 is three, and three short blades 78 are uniformly distributed on the wheel disc 72 along the circumference of the wheel disc 72.Often The individual short blade 78 is arranged between two adjacent linear leafs 76, i.e. each described short blade 78 with each described in Linear leaf 76 is arranged alternately.Each described short blade 78 is arc shaped blade, and three short blades 78 are along the wheel disc 72 Radial radiation, until extending to the edge of the wheel disc 72.Remember the original position of each short blade 78 to the linear leaf The distance of 76 original position is T2.
Preferably, the original position of each short blade 78 with and the short blade 78 adjacent linear leaf 76 The distance between original position T2 is with the ratio of diameter D2 (impeller diameter D2) of the wheel disc 72:
T2/D2=0.219~0.4
The distance between original position and the original position of the linear leaf 76 when each short blade 78 T2 and institute When the ratio range for stating diameter D2 (impeller diameter D2) of wheel disc 72 is 0.219~0.4, the width of the inner flow passage of the housing 34 sets Meter is optimized, so that the more stable smoothness of the flowing of the fluid in the housing 34, while miscellaneous during fluid can be avoided Matter produces blocking in the porch of impeller 70.
In the present embodiment, multiple linear leafs 76 are evenly spaced from one another is arranged on the wheel disc 72, multiple described Short blade 78 is evenly spaced from one another to be arranged on the wheel disc 72, the original position of each short blade 78 and adjacent thereto is set The distance between the original position of the linear leaf 76 put T2 is not completely equivalent.It is understood that each described short blade The distance between 78 original position and the original position of the linear leaf 76 of setting adjacent thereto T2 can with essentially equal, with More than 76 alternate intervals of the short blade 78 of multiple linear leafs is arranged on when on the wheel disc 72, two neighboring blade it Between distance it is equal, so as to be more beneficial for the stabilization of flow of fluid.
Referring to Fig. 6, the end of the end of each linear leaf 76 and the short blade 78 adjacent thereto, with And the edge of the wheel disc 72 surrounds a blade exit runner, note blade exit flow area (refers to dotted line in Fig. 6 for A2 Part);Three linear leafs 76 and three short blades 78 form six blade exit runners on the wheel disc 72, then Six blade exit runner gross areas are impeller outlet flow area, and (figure is not for A3 to remember the impeller outlet flow area Mark).The exit flow area A1 of the spiral case is designated as k with the ratio of the impeller outlet flow area A3.In this embodiment party In formula, k is more than or equal to 0.2 and less than or equal to 0.5.That is, the exit flow area A1 of described spiral case and the impeller outlet runner The ratio of area A3 is:
K=A1:A3=0.2~0.5
When the spiral case exit flow area A1 and the impeller outlet flow area A3 ratio range for 0.2~ When 0.5, the runner of enough width is reserved in the pump case 30 for the flowing of fluid, and ensureing the volume of the pump machine 100 On the premise of compact, the flowing velocity of fluid is improve, so as to improve the efficiency of the pump machine 100.
Please refer to Fig. 7, further, the linear leaf 76 is highly roughly the same with the short blade 78.Work as institute When stating impeller 70 and being contained in the host cavity 3411, the top of the linear leaf 76 and/or the short blade 78 and the receipts Being retained between the bottom wall of cavity volume 3411 has predetermined gap, i.e. retained between the bottom wall of the impeller 70 and the resettlement section 341 There is predetermined gap, remember that the predetermined gap is impeller clearance T3.
Note institute impeller clearance T3 is G with the ratio of diameter D2 (impeller diameter D2) of the wheel disc 72.Preferably, G is more than Equal to 0.04 and less than or equal to 0.12.That is, described impeller clearance T3 is with the ratio of the diameter D2 of the wheel disc 72:
G=T3:D2=0.04~0.12
When the impeller clearance T3 and diameter D2 (impeller diameter D2) of the wheel disc 72 ratio range for 0.04~ When 0.12, for predetermined runner has been reserved in the flowing of fluid in the host cavity 3411, and ensureing the volume of the pump machine 100 On the premise of compact, the flowing velocity of fluid is improve, so as to improve the efficiency of the pump machine 100.
When assembling the pump machine 100 of present embodiment, first, the impeller 70 is installed in described in the drive mechanism 50 In drive shaft 54, the driving body 52 of the drive mechanism 50 is housed and the installing department of the lid 32 is fixed on In 321.Then, the lid 32 is covered on the host cavity 3411 of the housing 34, is contained in the impeller 70 In the host cavity 3411.Finally, the pump case 30 that will have been assembled is installed in the mounting seat 10.Using this implementation During the pump machine 100 of mode, first, make the inner chamber of the pump case 30 full of fluids such as water, fluid or gases, by it is described enter flow tube 36 It is communicated in the container for housing the fluid, and the diversion division 343 is communicated to external environment or another described for housing In the container of fluid.Then, rotated by driving the drive mechanism 50, the impeller 70 is rotated in the spiral case. In the presence of the pressure differential caused between the inwall of the blade and the spiral case of centrifugal force and the impeller 70, the fluid source Source constantly from the container and it is described enter flow tube 36 enter in the spiral case, and be delivered to the external world via the diversion division 343 Change commanders or another container for housing the fluid in.
The pump machine 100 of the invention, because its impeller 70 employs the arc shaped blade structure that length is arranged alternately, makes institute The design for stating spiral case inner flow passage is further optimized, so that the flowing of fluid is more smooth and stablizes, the conveying effect of fluid Rate is of a relatively high.Meanwhile, the bearing of trend of the blade of the impeller 70 has complied with the rotation direction of the impeller 70, reduces stream The wild effects such as flow separation and Secondary Flow in road, so as to improve the combination property of centrifugal pump.In addition, the pump machine 100 Monophase machine is employed as the drive mechanism for driving the impeller 70 to rotate, makes pump machine startup at lower voltages more Easily.
Embodiment of above is merely illustrative of the technical solution of the present invention and unrestricted, although the preferably embodiment party with reference to more than Formula has been described in detail to the present invention, it will be understood by those within the art that, can be to technical scheme Modify or equivalent should not all depart from the spirit and scope of technical solution of the present invention.

Claims (18)

1. a kind of impeller, it includes wheel disc and the multiple linear leafs and multiple short blades that are arranged on the wheel disc, its feature It is that the impeller also includes the shaft being arranged on the wheel disc, multiple linear leafs and multiple short blades are handed over For being arranged on the wheel disc, and set around the shaft;Wherein, the linear leaf and the short blade are arc-shaped leaf Piece.
2. impeller as claimed in claim 1, it is characterised in that:The shaft is to protrude out the circle being arranged on the wheel disc Post.
3. impeller as claimed in claim 2, it is characterised in that:Outside the original position of each linear leaf and the shaft The distance between perisporium is more than or equal to 0.219 and less than or equal to 0.4 with the ratio of the diameter of the wheel disc;
And/or, between the original position of the linear leaf of the original position of each short blade and setting adjacent thereto Distance, 0.219 is more than or equal to and less than or equal to 0.4 with the ratio of the diameter of the wheel disc.
4. impeller as claimed in claim 1, it is characterised in that:Multiple linear leafs are evenly spaced from one another to be arranged at the wheel On disk, multiple short blades are evenly spaced from one another to be arranged on the wheel disc, the original position of each short blade and with The distance between its original position of the linear leaf being disposed adjacent is equal;
Or, multiple linear leafs are evenly spaced from one another to be arranged on the wheel disc, between multiple short blades are uniform each other Every being arranged on the wheel disc, the start bit of the linear leaf of the original position of each short blade and setting adjacent thereto The distance between put not all equal.
5. impeller as claimed in claim 1, it is characterised in that:Balance pipe is offered on the wheel disc, the balance pipe runs through The wheel disc is set.
6. impeller as claimed in claim 5, it is characterised in that:The quantity of the balance pipe is multiple, multiple balance pipes It is uniformly distributed on the wheel disc.
7. impeller as claimed in claim 6, it is characterised in that:The central point of multiple balance pipes is located on same circumference, The diameter of the circumference is more than or equal to 0.36 and less than or equal to 0.9 with the ratio of the diameter of the wheel disc;
And/or, the cross-sectional area of the balance pipe is more than or equal to 9mm2And less than or equal to 240mm2
And/or, at least one being shaped as in following shape of the balance pipe:Circular port, square opening, tri-angle-holed, rectangle Hole.
8. the impeller as any one of claim 1~7, it is characterised in that:The connection of the shaft and the wheel disc Locate to be connected for rounding off.
9. a kind of pump machine, it includes drive mechanism, it is characterised in that:The pump machine is also included such as any one of claim 1~7 Described impeller, the impeller is connected in the drive mechanism, and the drive mechanism is used to drive the wheel rotation.
10. pump machine as claimed in claim 9, it is characterised in that:The pump machine also includes pump case, and the pump case is spiral case;Institute Stating spiral case includes housing and the lid being arranged on the housing;The drive mechanism is arranged on the lid, the impeller It is contained in the inner chamber of the housing.
11. pump machines as claimed in claim 10, it is characterised in that:The diameter of the first paragraph inwall circular arc of the inner chamber of the housing It is more than or equal to 1.05 and less than or equal to 1.1 with the ratio of the wheel diameter;
And/or, the exit flow area of the spiral case is more than or equal to 0.2 and is less than with the ratio of the impeller outlet flow area Equal to 0.5;
And/or, when the impeller is contained in the inner chamber of the housing, between the bottom wall of the inner chamber of the impeller and the housing Distance and the wheel diameter ratio more than or equal to 0.04 and less than or equal to 0.12.
12. pump machines as claimed in claim 10, it is characterised in that:The housing includes resettlement section and diversion division, the impeller It is contained in the resettlement section, the cover cap is on the resettlement section;The diversion division is arranged at the one of the resettlement section Side.
13. pump machines as claimed in claim 12, it is characterised in that:Offer runner inside the diversion division, the runner with The inner space of the resettlement section, the diameter of the runner gradually increases along the direction away from the resettlement section;
And/or, the pump machine is also included into flow tube, it is described enter flow tube be arranged on the resettlement section away from the lid one Side, it is described enter flow tube inner chamber and the resettlement section intracavity inter-connection.
14. pump machines as claimed in claim 10, it is characterised in that:The lid includes installing department and is arranged at the installing Lid in portion sets portion, and the lid portion of setting is covered on the housing, and the drive mechanism is installed in the installing department.
15. pump machines as claimed in claim 14, it is characterised in that:The pump machine also include mounting seat, the lid it is described Installing department is fixedly installed in the mounting seat.
16. pump machines as claimed in claim 15, it is characterised in that:The mounting seat includes pedestal and is arranged on the pedestal Holding parts, the holding parts include two claws being oppositely arranged, and the installing department is held between two claws.
The 17. pump machine as any one of claim 10~16, it is characterised in that:The drive mechanism is monophase machine.
A kind of 18. fluid delivery systems, it includes drive mechanism, it is characterised in that:The pump machine also include as claim 1~ Impeller any one of 7, the impeller is connected in the drive mechanism, and the drive mechanism is used to drive the impeller Rotate.
CN201510882338.9A 2015-12-03 2015-12-03 Impeller and the pump machine and fluid delivery system using the impeller Pending CN106837853A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201510882338.9A CN106837853A (en) 2015-12-03 2015-12-03 Impeller and the pump machine and fluid delivery system using the impeller
DE102016123171.1A DE102016123171A1 (en) 2015-12-03 2016-11-30 Impeller and pump using the impeller
MX2016015843A MX2016015843A (en) 2015-12-03 2016-12-01 Impeller, and pump using the impeller.
US15/369,126 US20170159669A1 (en) 2015-12-03 2016-12-05 Impeller, And Pump And Fluid Delivery Device Using The Impeller
JP2016235763A JP2017115866A (en) 2015-12-03 2016-12-05 Impeller, and pump using that impeller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510882338.9A CN106837853A (en) 2015-12-03 2015-12-03 Impeller and the pump machine and fluid delivery system using the impeller

Publications (1)

Publication Number Publication Date
CN106837853A true CN106837853A (en) 2017-06-13

Family

ID=58722752

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510882338.9A Pending CN106837853A (en) 2015-12-03 2015-12-03 Impeller and the pump machine and fluid delivery system using the impeller

Country Status (5)

Country Link
US (1) US20170159669A1 (en)
JP (1) JP2017115866A (en)
CN (1) CN106837853A (en)
DE (1) DE102016123171A1 (en)
MX (1) MX2016015843A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113082506A (en) * 2021-05-12 2021-07-09 苏州大学 Apply to blood pump of artificial heart
WO2022099845A1 (en) * 2020-11-12 2022-05-19 威灵(芜湖)电机制造有限公司 Impeller, drainage pump, and air-conditioning indoor unit

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101869953B1 (en) * 2017-03-20 2018-06-21 뉴모텍(주) Pump for Circulating Water

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022099845A1 (en) * 2020-11-12 2022-05-19 威灵(芜湖)电机制造有限公司 Impeller, drainage pump, and air-conditioning indoor unit
CN113082506A (en) * 2021-05-12 2021-07-09 苏州大学 Apply to blood pump of artificial heart

Also Published As

Publication number Publication date
US20170159669A1 (en) 2017-06-08
JP2017115866A (en) 2017-06-29
DE102016123171A1 (en) 2017-06-08
MX2016015843A (en) 2018-05-31

Similar Documents

Publication Publication Date Title
EP3133294B1 (en) Fan, diffuser, and vacuum cleaner having the same
JP6927698B2 (en) Impellers and pumps that use impellers
JP6411468B2 (en) Pump device
CA2659492A1 (en) Electric submersible pump with specialized geometry for pumping viscous crude oil
CN106837853A (en) Impeller and the pump machine and fluid delivery system using the impeller
TW202102781A (en) Fan motor and manufacturing method thereof
US8747078B2 (en) Gas separator with improved flow path efficiency
JP2020094582A (en) Vacuum pump
JP6117658B2 (en) Centrifugal pump
CN107965473B (en) Diffuser for a fluid compression device comprising at least one blade with an opening
CN104214134B (en) Motor
CN104895806A (en) Centripetal type compressor
US3188968A (en) Centrifugal pumps
KR101930795B1 (en) Centrifugal Jet Pump
KR101776883B1 (en) Centrifugal pump having blades for generating pressure
RU2360149C2 (en) Super dispersion impeller of centrifugal pump stage with submersible motor for oil production
JP2018091317A (en) Multi-stage pump
US4655680A (en) Continuous blade axial-flow friction drag pump
US4531887A (en) Continuous blade multi-stage pump
TW202102779A (en) Fan motor
US7686573B2 (en) Vertically-oriented centrifugal pump
JP2009103078A (en) Impeller for sewage pump, and sewage pump
JP5766461B2 (en) Pump device
KR200291797Y1 (en) Spiral vertical shaft Pump,
JP5699274B2 (en) pump

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170613

WD01 Invention patent application deemed withdrawn after publication