CN206894438U - Electrodynamic type compressor - Google Patents
Electrodynamic type compressor Download PDFInfo
- Publication number
- CN206894438U CN206894438U CN201720711959.5U CN201720711959U CN206894438U CN 206894438 U CN206894438 U CN 206894438U CN 201720711959 U CN201720711959 U CN 201720711959U CN 206894438 U CN206894438 U CN 206894438U
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- Prior art keywords
- rotary shaft
- spline gear
- shaft
- rotor
- gear portion
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Rotary Pumps (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
It a kind of electrodynamic type compressor, can minimize by the work of the high-power components of inverter and caused heating, possess component groups zoarium, it includes stator coil, rotor and the first rotary shaft, in addition to：First spline gear portion, it is integrally-formed in an end of the first rotary shaft；Second spline gear portion, it is integrally-formed in another end of the first rotary shaft；Second rotary shaft of quill shaft form, the second rotary shaft inner peripheral surface formed with the first spline gear insertion section, receive the revolving force transmission of the first rotary shaft to be incorporated into the first spline gear portion in a manner of it can slide；Elastomeric element, the inside of the second rotary shaft is configured at and to the terminal surface working tension of the first spline gear portion, to change the position of rotor；And the 3rd rotary shaft of quill shaft form, the 3rd rotary shaft inner peripheral surface formed with the second spline gear insertion section, receive the revolving force transmission of first rotary shaft to be incorporated into the second spline gear portion in a manner of it can slide.
Description
Technical field
It the utility model is related to a kind of electrodynamic type compressor, more particularly to a kind of by motor and inverter-integrated be provided to
In the devices such as electric scroll compressor, and it is configured to the electrodynamic type compression of the flux of interlinkage of mechanical control motor
Machine.
Background technology
Generally, it is provided with compressor in the devices such as vehicle, air conditioner.
According to the working method of compressor, exploitation use has the various ways such as reciprocating, rotation mode and swirling manner.
In such compressor, motor compressor uses motor as power source.
In addition, in motor compressor, when pressure producing method is swirling manner, produced by receiving the power supply of supply
The motor of revolving force, the inverter for controlled motor, the revolving force of transmission motor are formed with producing the scroll compression portion of pressure.
The motor compressor of the swirling manner of prior art is used as by following patent documents 1 and known such vortex
Compressor, it is configured to include：Drive division, produce revolving force；Drive shaft, carry rear bearing secretly and be arranged at housing, and pass through drive
Dynamic portion's rotation driving；Scroll compression portion, it is configured to scroll wrap to compress the fluid of suction, and by static vortex disk and movable orbiting scroll
Form, the static vortex disk is fixed in a manner of being not driven axle Effect of Rotation and formed with for supplying refrigerant to discharge room
Outlet, the movable orbiting scroll are circled round and formed with scroll wrap by the rotation of drive shaft；Wobbler action portion, it is connected to described dynamic
Between whirlpool disk and drive shaft；Main frame, axially support the movable orbiting scroll and rotationally support the drive shaft.
Especially, inverter is provided with the screw compressor for be installed on vehicle, for being controlled in variable traveling is carried out
The capacity of compressor.
For example, refer to a kind of method in following patent document 2：Control device for inverter suppresses the armature supply of motor extremely
Min., so as to mitigate the reduction of the drive efficiency of motor.Reduced in the drive efficiency for mitigating the motor as motor
In the control method of inverter, maximum torque per ampere control (MTPA is performed in low-speed high-torque section：Maximum Torque
Per Ampere), in section of running at high speed, when luring starting voltage to increase caused by motor and being more than voltage limit, perform weak
Flux regulator (field weakening control) reduces the interlinkage flux by stator coil caused by permanent magnet
Amount.
In the prior art, inverter according to the change of external load condition come perform maximum torque per ampere control or
Weak flux regulator, so as to the variable traveling for complexity, it is necessary to possess volume phase compared with the device without inverter control
To huge circuit arrangement.
Specifically, the inverter of prior art includes being configured inside inverter case and being provided with a variety of circuit elements
Printed circuit board (PCB) (PCB).
Especially, the circuit element of the inverter of the printed circuit board (PCB) of prior art include needed with Driven by inverter compared with
Low power low power element and the high-power components that relative high powers are needed compared with the low power element.Wherein, low work(
Rate element can be equivalent to high electricity equivalent to the IC MCU etc. for including storage inverter working procedure, high-power components
Press adjuster, inductor, input side capacitors etc..
In the inverter of the motor compressor of this prior art, by the low power element and Gao Gong for variable traveling
Rate element is installed on a printed circuit board (PCB), the size and element installation space relative increase of printed circuit board (PCB), and with
There may be the problem of heating for the work of high-power components.
Especially, the inverter of prior art introduces electric current, edge and permanent magnet to perform weak flux regulator to armature
The opposite direction of magnetic flux produces armature flux, so as to reduce flux of interlinkage, accordingly, it is difficult to by motor and inverter-integrated electricity
The overall volume of dynamic compressor is formed as close structure.
Prior art literature
Patent document
(patent document 1) Korean registered patent the 10-0937191st
(patent document 2) KR published patent the 10-2014-0114737th
Utility model content
Technical problems to be solved
Therefore, the utility model proposes, the purpose of this utility model to solve above-mentioned problem of the prior art
It is to provide a kind of electrodynamic type compressor, the mechanical constitution element of the flux of interlinkage by providing mechanical control motor, from
And mechanical weak flux regulator is internally formed equipped with the electrodynamic type compressor of motor and inverter in integral type, while can prevent
Only the size of single unit system or inverter circuit become huge, and can minimize by the work of the high-power components of inverter
And caused heating problem.
Solve the means of technical problem
To reach above-mentioned purpose, the electrodynamic type compressor of one side of the present utility model possesses motor, inverter and vortex
Compression unit, the electrodynamic type compressor are also equipped with component groups zoarium, and the component groups zoarium includes：Stator coil, it is fixed on described
The inner peripheral surface of the electric machine casing of motor；Rotor, rotated in the receiving space of the stator coil and there is permanent magnet；And
First rotary shaft, has the pivot that axle is incorporated into the rotor, and the component groups zoarium also includes：First spline gear
Portion, it is integrally-formed in an end of first rotary shaft；Second spline gear portion, it is integrally-formed in the described first rotation
Another end of axle；Second rotary shaft of quill shaft form, second rotary shaft inner peripheral surface formed with the first spline tooth
Insertion section is taken turns, the rotation of first rotary shaft is received to be incorporated into first spline gear portion in a manner of it can slide
Turn power transmission；Elastomeric element, it is configured at the inside of second rotary shaft and the terminal surface of first spline gear portion is made
With pulling force, to change the position of the rotor；And the 3rd rotary shaft of quill shaft form, in the 3rd rotary shaft
Side face connects formed with the second spline gear insertion section to be incorporated into second spline gear portion in a manner of it can slide
Receive the revolving force transmission of first rotary shaft.
First rotary shaft outer peripheral face formed with backstop rib portion, the backstop rib portion is along first rotary shaft
Circumferencial direction extends, and is protruded to the radial direction of first rotary shaft.
The backstop rib portion is formed at described first on the basis of the position between second rotary shaft and the rotor
The outer peripheral face of rotary shaft, and with the ladder for going and declining from the direction of the second axial rotary towards the rotor section
Face shape.
Second rotary shaft is also equipped with clutch shaft bearing, and the clutch shaft bearing is located at the scroll compression based on electric machine casing
The inner peripheral surface of the first boss of contracting portion side, to be capable of the outer peripheral face of rotation mode supporting second rotary shaft.
3rd rotary shaft is also equipped with second bearing, and the second bearing is located at the inverter based on electric machine casing
The inner peripheral surface of the second boss of side, the outer peripheral face of the 3rd rotary shaft is supported in a manner of it can rotate, passes through described first
Bearing and the second bearing so that first rotary shaft, second rotary shaft and the 3rd rotary shaft rotate together.
Second rotary shaft includes：Hollow shaft, the hollow shaft inner peripheral surface formed with first spline
Gear insertion section, inserted with first spline gear portion in the hollow shaft；Final quotaion portion, close the end of the hollow shaft
End, the opposite side of the terminal part of the hollow shaft equivalent to the first spline gear portion of first rotary shaft；It is and logical
Hole, be formed at the final quotaion portion so that with the side of the medial surface in the final quotaion portion and first spline gear portion it
Between on the basis of be configured with the elastomeric element the hollow shaft inner space pressure and the scroll compression portion back pressure
Room space pressure can interact, and thickness direction insertion of the through hole along the final quotaion portion.
Utility model effect
It can solve the problem that by electrodynamic type compressor of the present utility model and produced in the prior art by connector design alteration
Tight junctions Preserving problems, in electrodynamic type compressor of the present utility model, formed to carry out mechanical weak flux regulator
The rotary shaft of the motor of dual structure, elastic force is axially moved or passes through according to the position of the changing condition rotor of back pressure
Reset, so as to have advantages below：Need not be ready for use on prior art inverter electronic type maximum torque per ampere control or
The circuit arrangement of weak magnetic control, motor and the volume of the electrodynamic type compressor of inverter-integrated formation, and energy can be reduced
Enough minimize heating problem.
In addition, in electrodynamic type compressor of the present utility model, being bonded and acting on according to component groups are fit, can be with
Do not installed in inverter for individually carrying out the weak flux controlled electric element of electric or circuit arrangement, the situation
Under, the size of inverter reduces and weight saving, thus with advantages below：It can be easy to be equipped in the vehicle of the confined space
Portion, and relative can also mitigate the motor and the weight of the electrodynamic type compressor of inverter-integrated composition for being equipped on vehicle interior
Amount, advantageously reduce the fuel cost of vehicle.
In addition, in electrodynamic type compressor of the present utility model, with leading to mode using mechanical weak magnetic, in low turn of high speed
Square section, electric current can be tailed off compared with electric weak magnetic leads to control mode, and electrodynamic type compressor use can be improved by thus having
The advantages of efficiency of motor.
Brief description of the drawings
Fig. 1 is the sectional view of the electrodynamic type compressor of an embodiment of the present utility model.
Fig. 2 is for illustrating that the mechanical weak magnetic for being arranged at compressor shown in Fig. 1 leads to control member combination
The sectional view of body.
Fig. 3 is the sectional view intercepted along the line A-A shown in Fig. 2.
Fig. 4 is the sectional view intercepted along the line B-B shown in Fig. 2.
Fig. 5 is for the sectional view for the operation principle for illustrating the electrodynamic type compressor shown in Fig. 1.
Description of reference numerals
1：Body；100：Motor；110：Rotor；120：Stator coil；200：Inverter；300：Scroll compression portion；400：
Component groups are fit；410：First rotary shaft；420：First spline gear portion；430：Second spline gear portion；440：Second rotation
Axle；444：Final quotaion portion；445：Through hole；450：Elastomeric element；460：3rd rotary shaft；470：Backstop rib portion.
Embodiment
Referring to the drawings and embodiment described further below, the advantages of the utility model, feature and its implementation will
Definitely.But the utility model is not limited to embodiments disclosed below, but can be by mutually different a variety of
Form embodies, and it is complete that the present embodiment is intended merely to the technical staff with usual knowledge into the utility model art
The scope of site preparation utility model and provide, intactly to disclose the utility model, the utility model is according to claim
Scope define.Identical reference refers to identical inscape throughout the specification.
When illustrating embodiment of the present utility model, when being judged as that related known function or having illustrated for structure can
When can obscure content of the present utility model, by its detailed description is omitted.And term described later is allowed in this practicality
Function in new and define, its according to user, transport user intention or convention and be possible to different.Therefore, to this
The definition of term should be determined based on the full content of this specification.
Hereinafter, the electrodynamic type compressor of embodiment of the present utility model, the logical control of mechanical weak magnetic is explained in detail with reference to the accompanying drawings
Structure processed is properly termed as component groups zoarium.
In accompanying drawing, Fig. 1 is the sectional view of the electrodynamic type compressor of an embodiment of the present utility model, and Fig. 2 is for illustrating
The mechanical weak magnetic for being arranged at compressor shown in Fig. 1 leads to the sectional view of control member assembly, and Fig. 3 is along Fig. 2
The sectional view of shown line A-A interception, Fig. 4 are the sectional view intercepted along the line B-B shown in Fig. 2.In addition, Fig. 5 is for illustrating
The sectional view of the operation principle of electrodynamic type compressor shown in Fig. 1.
Reference picture 1, as an embodiment of the present utility model electrodynamic type compressor body 1 by motor 100, inverter
200th, scroll compression portion 300, component groups zoarium 400 are formed.
The power supply that motor 100 is supplied received from inverter 200, and produce scroll compression portion 300 and work required power.
Inverter 200 includes being used for the electric circuit arrangement for controlling scroll compression portion 300 to work.
The effect in scroll compression portion 300 is to make to circle round with orbiter fit on determine vortex disk shape to be vortexed to be formed
Tooth.
Instead of the weak flux regulator of the electric of prior art, component groups zoarium 400 along motor 100 rotor 110 (such as：
Rotor core with permanent magnet) direction of principal axis regulation rotor 110 position, change stator coil 120 and rotor 110 it is permanent
The area W that magnet converges, so as to play a part of the flux of interlinkage of the permanent magnet of mechanical regulation rotor 110.
The area W that the permanent magnet of reference picture 1, stator coil 120 and rotor 110 converges is, for example, to specify subcoil 120
Inner peripheral surface and rotor 110 outer peripheral face area relative to each other, the two can be with same or similar.
That is, reference picture 5, in the case where mechanical mode described below changes the position of rotor 110, become in position
After more, the inner peripheral surface of stator coil 120 may become with the outer peripheral face of rotor 110 area N relative to each other compared with the area W
It is small.
It is such regulation rotor 110 position needed for power can refer to scroll compression portion 300 back pressure chamber 310 pressure or
Component groups zoarium 400 elastomeric element 450 (such as：Helical spring) elastic force (such as：Pulling force).The pulling force of elastomeric element 450
Corresponding to the pressure of back pressure chamber 310, the first rotary shaft 410 of rotor 110 can be acted on.
That is, when the pulling force of the pressure ratio elastomeric element 450 of back pressure chamber 310 is big, there is the pressure of the back pressure chamber 310
Fluid flows into the inner space of the second rotary shaft 440 via the through hole 445 being shown in detail below.It is flowing into and there is specific thrust
The fluid of big pressure can promote the first rotary shaft 410 to move it to the direction away from the scroll compression portion 300.
Thus, being incorporated into the position of the rotor 110 of the first rotary shaft 410 can change.
Conversely, when the pulling force of the pressure ratio elastomeric element 450 of back pressure chamber 310 is small, pass through the drawing of the elastomeric element 450
Power can pull first rotary shaft 410.The fluid of the inner space of the second rotary shaft 440 is flowed into by the through hole 445 again
It is secondary to be discharged to back pressure chamber 310.Thus, the first rotary shaft 410 and rotor 110 can move to close to the direction in scroll compression portion 300
It is dynamic.In addition, rotor 110 can be with return-to-home position.
Such component groups zoarium 400 has：Stator coil 120, it is fixed on the inner circumferential of the electric machine casing 101 of motor 100
Face；Rotor 110, rotated in the receiving space of the stator coil 120, the rotor 110 has permanent magnet；First rotation
Axle 410, axle are incorporated into the pivot of rotor 110.
Reference picture 2 to Fig. 4, component groups zoarium 400 includes：First spline gear portion 420, it is integrally-formed in the first rotation
One end of axle 410；And second spline gear portion 430, it is integrally-formed in another end of first rotary shaft 410.
Wherein, the first rotary shaft 410, the first spline gear portion 420 and the second spline gear portion 430 have identical axle side
To.
It can pass through machinery for a side end of the axle manufacture basic material of the first rotary shaft 410 and end side
Processing respectively becomes the first spline gear portion 420 and the second spline gear portion 430.
Component groups zoarium 400 includes the second rotary shaft 440 of quill shaft form, the inner peripheral surface of second rotary shaft 440
Formed with the first spline gear insertion section 441, so as to combined in a manner of it can slide (such as：The knot in a manner of it can slide
Close) receive the revolving force transmission of first rotary shaft 410 in the first spline gear portion 420.First spline gear portion 420 and
Lubricant or lubrication fluid can also be entrained between second rotary shaft 440.
Second rotary shaft 440 includes hollow shaft 443, final quotaion portion 444, through hole 445.
Hollow shaft 443 forms the first spline gear insertion section 441 in inner circumferential surface, and with for carrying elastomeric element
450 inner space, the inner space is inserted with first spline gear portion 420.
The effect in final quotaion portion 444 is the end for closing the opening of hollow shaft 443 by the mode such as welding or being screwed
Portion.That is, final quotaion portion 444 covers or closed the terminal part of the hollow shaft 443, and the terminal part of the hollow shaft 443 is suitable
Tossed about in first spline gear portion 420 of first rotary shaft 410.
Through hole 445 plays a part of shared pressure, with the medial surface in final quotaion portion 444 and first spline gear portion 420
Terminal part side between on the basis of be configured with the elastomeric element 450 the hollow shaft 443 inner space pressure with
The back pressure chamber space pressure in the scroll compression portion 300 can interact.
Therefore, through hole 445 is formed at final quotaion portion 444, and penetrated along the thickness direction in the final quotaion portion 444.
In final quotaion portion 444, the forming position of through hole 445 can by not with the basis of the overlapping position of elastomeric element 450 depending on,
By from the center of final quotaion 444 separation or eccentric position on the basis of depending on.Therefore, can be formed by the fluid of through hole 445
Freely flow or do not blocked at least and interfered by elastomeric element 450.
In addition, component groups zoarium 400 includes elastomeric element 450, the elastomeric element to change the position of rotor 110
450 are configured at the inside of second rotary shaft 440 and to the terminal surface working tension of first spline gear portion 420.
One end of elastomeric element 450 is connected to the medial surface in final quotaion portion 444, another end connection of elastomeric element 450
In the terminal part side of the first spline gear portion 420.
Elastomeric element 450 can be formed as helical spring form, but as long as be can connect (such as：Welding or bolt are consolidated
It is fixed) in the first spline gear portion 420 and the device of working tension, helical spring can be not limited to, be configured to such as with its
The conventional elastic device equivalent of equity.
In addition, component groups zoarium 400 includes the 3rd rotary shaft 460, the 3rd rotary shaft 460 is in a manner of it can slide
It is incorporated into the second spline gear portion 430 tossed about positioned at the second rotary shaft 440.
3rd rotary shaft 460 is fabricated to second spline of the inner peripheral surface formed with quill shaft form in the 3rd rotary shaft 460
Gear insertion section 461, to receive the revolving force of the first rotary shaft 410 of transmission.
Lubricant or lubrication fluid can also be entrained between the second spline gear portion 430 and the 3rd rotary shaft 460.
As shown in Fig. 2 the first rotary shaft 410 outer peripheral face formed with backstop rib portion 470.
The first rotary shaft of backstop 410 of backstop rib portion 470 or rotor 110 are exceedingly to the internal direction of the second rotary shaft 440
It is mobile, the effect for preventing the excess compression of elastomeric element 450 or breakage positioned at the inside of the second rotary shaft 440 can be played.
As shown in figure 5, backstop rib portion 470 is slidingly contacted at the inner circumferential for the guided rings 102 being arranged inside electric machine casing 101
Face, it is possible thereby to be moved along the direction of principal axis CL guided rotors 110 of rotor 110.
Reference picture 2, circumferencial direction extension of the backstop rib portion 470 along the first rotary shaft 410, to first rotary shaft 410
Radial direction protrusion.
Now, on the basis of position of the backstop rib portion 470 between second rotary shaft 440 and the rotor 110, formed
In the outer peripheral face of first rotary shaft 410, and with from second rotary shaft 440 to towards the rotor 110
The stepped profile shape that direction is gone and declined.
Reference picture 5, the second rotary shaft 440 are also equipped with clutch shaft bearing 442, and the clutch shaft bearing 442 is based on electric machine casing 101
The first boss 103 positioned at the side of scroll compression portion 300 inner peripheral surface, supported in a manner of it can rotate it is described second rotation
The outer peripheral face of rotating shaft 440.
3rd rotary shaft 460 is also equipped with second bearing 462, and the second bearing 462 is located at institute based on electric machine casing 101
The inner peripheral surface of the second boss 104 of the side of inverter 200 is stated, the outer of the 3rd rotary shaft 460 is supported in a manner of it can rotate
Side face.
Pass through such clutch shaft bearing 442 and second bearing 462 so that first rotary shaft 410, second rotation
The rotary shaft 460 of axle 440 and the 3rd can rotate together.
Now, rotor 110 utilizes stator coil 120, can be by the first rotary shaft 410 to the second rotary shaft 440, first
Revolving force is transmitted in bearing 442, the 3rd rotary shaft 460 and the side of second bearing 462.Meanwhile the first rotary shaft 410 of rotor 110 is made
For the dual structure of spline form, combined respectively in the second rotary shaft 440 and the 3rd rotary shaft 460 in a manner of it can move,
Therefore realize in the position adjustments of rotor 110 described below.
That is, core of the present utility model is the permanent magnet by adjusting the position of rotor 110 to adjust in rotor 110
Flux of interlinkage.
As shown in figure 5, according to the utility model, if the back pressure of back pressure chamber 310 is high, motor 100 needs high torque (HT), instead
It, if the back pressure of back pressure chamber 310 is low, motor 100 needs low torque.
Through hole 445 makes the inner space of second rotary shaft 440 at the place of elastomeric element 450 and the inside of back pressure chamber 310 empty
Between share pressure.
When the back pressure rise of back pressure chamber 310, the inside of the second rotary shaft 440 is flowed into by through hole 445 from back pressure chamber 310
The pressure of the fluid in space promotes the first rotary shaft 410 and rotor 110 to move it, can make the permanent magnet of rotor 110 with
The flux of interlinkage increase of stator coil 120.
As known in technical field of motors, flux of interlinkage is proportional to counter electromotive force.Therefore, if interlinkage flux
Amount increase, then counter electromotive force increase, counter electromotive force increase enable to output density also to increase.That is, feature of the present utility model
It is, improves the output density of motor by mechanical efficient rather than use the existing voltage or curent change for making motor
Electronic control mode.
Conversely, when the back pressure of back pressure chamber 310 reduces, the fluid of the inner space of the second rotary shaft 440 is again by through hole
445 discharge to the side of back pressure chamber 310, thus the rotary shaft 410 of rotor 110 and first by the pulling force of elastomeric element 450 (such as：Bullet
Spring tension force) to the direction of the side of scroll compression portion 300, i.e. close to the movement of the side of final quotaion portion 444, thus, it is possible to reduce flux of interlinkage.
Such rotor 110 along direction of rotation reception or can transmit revolving force in its dual structure.
On the other hand, electrodynamic type compressor of the present utility model is illustrated by embodiment, but this practicality is new
The scope of type is not limited to specific embodiment, permissible in self-evident scope for the technical staff with usual knowledge
Implement a variety of replacements related to the utility model, modifications and changes.
Therefore, embodiment disclosed in the utility model and accompanying drawing are not intended to limit technology structure of the present utility model
Think, but in order to illustrate the utility model, these embodiments and accompanying drawing do not limit the scope of technical concept of the present utility model.
The scope of protection of the utility model should explain with the scope of claims, should with all technical concepts in this equivalents
It is construed to be included in interest field of the present utility model.
Claims (6)
1. a kind of electrodynamic type compressor, possess motor, inverter and scroll compression portion, it is characterised in that
The electrodynamic type compressor is also equipped with component groups zoarium, and the component groups zoarium includes：Stator coil, it is fixed on the motor
Electric machine casing inner peripheral surface；Rotor, rotated in the receiving space of the stator coil and there is permanent magnet；And first
Rotary shaft, there is the pivot that axle is incorporated into the rotor,
The component groups zoarium also includes：
First spline gear portion, it is integrally-formed in an end of first rotary shaft；
Second spline gear portion, it is integrally-formed in another end of first rotary shaft；
Second rotary shaft of quill shaft form, second rotary shaft inner peripheral surface formed with the first spline gear insertion section,
The revolving force transmission of first rotary shaft is received to be incorporated into first spline gear portion in a manner of it can slide；
Elastomeric element, it is configured at the inside of second rotary shaft and drawing is acted on to the terminal surface of first spline gear portion
Power, to change the position of the rotor；And
3rd rotary shaft of quill shaft form, the 3rd rotary shaft inner peripheral surface formed with the second spline gear insertion section,
The revolving force transmission of first rotary shaft is received to be incorporated into second spline gear portion in a manner of it can slide.
2. electrodynamic type compressor according to claim 1, it is characterised in that
First rotary shaft outer peripheral face formed with backstop rib portion, circumference of the backstop rib portion along first rotary shaft
Direction extends, and is protruded to the radial direction of first rotary shaft.
3. electrodynamic type compressor according to claim 2, it is characterised in that
The backstop rib portion is formed at first rotation on the basis of the position between second rotary shaft and the rotor
The outer peripheral face of axle, and with the stepped profile shape gone and declined from the direction of the second axial rotary towards the rotor
Shape.
4. electrodynamic type compressor according to claim 1, it is characterised in that
Second rotary shaft is also equipped with clutch shaft bearing, and the clutch shaft bearing is located at the scroll compression portion based on electric machine casing
The inner peripheral surface of the first boss of side, to be capable of the outer peripheral face of rotation mode supporting second rotary shaft.
5. electrodynamic type compressor according to claim 4, it is characterised in that
3rd rotary shaft is also equipped with second bearing, the second bearing based on electric machine casing positioned at the inverter side
The inner peripheral surface of second boss, the outer peripheral face of the 3rd rotary shaft is supported in a manner of it can rotate,
Pass through the clutch shaft bearing and the second bearing so that first rotary shaft, second rotary shaft and the 3rd rotation
Rotating shaft rotates together.
6. electrodynamic type compressor according to claim 1, it is characterised in that
Second rotary shaft includes：
Hollow shaft, the hollow shaft inner peripheral surface formed with the first spline gear insertion section, the hollow shaft
In inserted with first spline gear portion；
Final quotaion portion, the terminal part of the hollow shaft is closed, the terminal part of the hollow shaft is equivalent to first rotary shaft
The first spline gear portion opposite side；And
Through hole, the final quotaion portion is formed at, so that with the medial surface in the final quotaion portion and first spline gear portion
The inner space pressure of the hollow shaft of the elastomeric element and the scroll compression portion are configured with the basis of between side
Back pressure chamber space pressure can interact, and the through hole along the final quotaion portion thickness direction insertion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160156391A KR102538591B1 (en) | 2016-11-23 | 2016-11-23 | motor driven compressor |
| KR10-2016-0156391 | 2016-11-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206894438U true CN206894438U (en) | 2018-01-16 |
Family
ID=61315506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720711959.5U Active CN206894438U (en) | 2016-11-23 | 2017-06-19 | Electrodynamic type compressor |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR102538591B1 (en) |
| CN (1) | CN206894438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR970045899A (en) * | 1995-12-29 | 1997-07-26 | 한승준 | Connection structure between shafts for power transmission |
| JP4323077B2 (en) * | 2000-09-28 | 2009-09-02 | 三菱電機株式会社 | Permanent magnet type rotating electric machine, compressor and refrigeration cycle |
| JP4079004B2 (en) * | 2003-02-14 | 2008-04-23 | トヨタ自動車株式会社 | Electric motor |
| JP2012080615A (en) * | 2010-09-30 | 2012-04-19 | Aisin Aw Co Ltd | Variable flux motor |
| JP2013143878A (en) | 2012-01-12 | 2013-07-22 | Panasonic Corp | Inverter control device |
| KR101658094B1 (en) * | 2014-12-31 | 2016-09-21 | 엘지전자 주식회사 | Scroll compressor |
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| WO2021218046A1 (en) * | 2020-04-30 | 2021-11-04 | 艾默生环境优化技术(苏州)有限公司 | Scroll compressor |
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