Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to endSame or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attachedThe embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " transverse direction ", " length ", " width ", "upper","lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axial direction ", " radial direction ", " weekTo " etc. instructions orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of describing this hairBright and simplified description, does not indicate or imply the indicated device or element must have a particular orientation, with specific orientationConstruction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phaseTo importance or implicitly indicate the quantity of indicated technical characteristic." first ", " second ", " third " are defined as a result,Feature can explicitly or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated,The meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phaseEven ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It canCan also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke YishiConnection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete conditionConcrete meaning in invention.
External-rotor-type compressor 100 according to the ... of the embodiment of the present invention is described below with reference to Fig. 1-Fig. 7.External-rotor-type compressor100 can be single cylinder compressor (as shown in Figure 1), or multicylinder compressor such as duplex cylinder compressor (not shown).In description below the application, illustrated so that external-rotor-type compressor 100 is single cylinder compressor as an example.
As shown in Figure 1, such as single cylinder compressor of external-rotor-type compressor 100 according to the ... of the embodiment of the present invention, including shell1, compression set, motor and draw socket 4.
Wherein, chamber 11 is limited in shell 1, compression set and motor are each provided in chamber 11.Referring to Fig.1, motor positionTop in chamber 11, compression set are located at the lower part in chamber 11.
Specifically, as shown in Figure 1, compression set include cylinder 22, base bearing 23, supplementary bearing 24, piston 25, slide plate andBent axle 21, base bearing 23 is located at the top of cylinder 22, and supplementary bearing 24 is located at the bottom of cylinder 22, base bearing 23, supplementary bearing 24The compression chamber for compression refrigerant is limited between cylinder 22, the lower end of bent axle 21 sequentially passes through base bearing 23,22 and of cylinderSupplementary bearing 24, piston 25 are set on the eccentric part of bent axle 21, and piston 25 is located in compression chamber, is formed with along it on cylinder 22The sliding vane groove radially extended, slide plate are movably arranged in sliding vane groove, and the inner end of slide plate and the periphery wall of piston 25 only support.
The upper end of the rotor 32 that motor includes stator 31 and is coaxially rotatably provided in outside stator 31, rotor 32 passes through supportFrame 33 is connected on bent axle 21, and referring to Fig.1, supporting rack 33 includes rotor yoke-plate 331 and rotor pallet 332, and rotor yoke-plate 331 is bigThe bodily form becomes tubular, and rotor 32 is fixed on the internal perisporium of rotor yoke-plate 331, and rotor pallet 332 is located at the top of rotor yoke-plate 331Portion, and the upper end of the inner circumferential of rotor pallet 332 and bent axle 21 is fixed and is rotated with band dynamic crankshaft 21.Stator 31 includes stator core311 and stator winding 312, stator winding 312 be wound on stator core 311, three stators are drawn in the lower end of stator winding 312Lead-out wire 3121.
Draw socket 4 is located on the side wall of shell 1, and draw socket 4 is less than motor in the up-down direction, that is to say, thatDraw socket 4 is located at the lower section of motor.For example, three stator lead-out wires 3121 of the motor of external-rotor-type compressor 100 are from calmlyThe lower part wiring of son 31 is drawn from the gap between rotor 32 and compression set, and accesses draw socket 4 by draw plug 5In.
As shown in Figure 1, draw socket 4 is located substantially between motor and cylinder 22, three of the extraction of 312 lower end of stator windingStator lead-out wire 3121 is located substantially at draw socket 4 in same level 121, to facilitate three stator lead-out wires 3121Connection, and reduce the length of three stator lead-out wires 3121.Wherein, three stator lead-out wires 3121 pass through draw plug 5It accesses in draw socket 4.
When motor works, operating current is introduced by the way that the draw socket 4 on 1 side wall of shell is arranged in draw plug 5,Operating current enters the stator 31 of motor along three stator lead-out wires 3121 later.Rotating excitation field is generated in stator 31 drives rotor32 rotations, the turning moment of rotor 32 are directly transmitted to by bent axle 21 in compression set, and compression set compression refrigerant is driven.
There is the first socket 461, the second socket 462 and third socket 463, the second socket 462 and first in draw socket 490 ° of ＜ α of angle α satisfaction of the line between line and the second socket 462 and third socket 463 between socket 461≤180°.Preferably, angle α meets 150 °≤α≤180 °.Three stator lead-out wires 3121 are inserted with the first socket 461, second respectivelyMouth 462 is connected with third socket 463.
Wherein, the first socket 461, the second socket 462 and third socket 463 can be separated from each other setting, such as Fig. 2 and figureShown in 3.Certainly, it can also be in contact with each other between the first socket 461, the second socket 462 and third socket 463, in other words, firstVery close to each other (not shown) between socket 461, the second socket 462 and third socket 463, angle α is the second socket 462 at this timeCenter and the center of the first socket 461 between line, with the center of the center of the second socket 462 and third socket 463 itBetween line angle.
With reference to Fig. 2 and Fig. 3, in the left to right direction, it is followed successively by the first socket 461, the second socket 462 and third and insertsMouth 463, and the first socket 461 and third socket 463 are located in same horizontal line.Wherein, the second socket 462 can be in the levelOn line, as shown in Fig. 2, the first socket 461, the second socket 462 and third socket 463 are respectively positioned in same horizontal line, press from both sides at this timeAngle α is 180 °.Second socket 462 can not also be on above-mentioned horizontal line.Such as in the example of fig. 3, the second socket 462 is located atOn the perpendicular bisector of the line of first socket 461 and third socket 463, and the second socket 462 is located at the first socket 461 and third is insertedThe lower section of mouthfuls 463 line, at this time the line of the second socket 462 and the first socket 461, with the second socket 462 and third socketThe angle α of 463 line is obtuse angle.Alternatively, the second socket 462 can also be located at the upper of the first socket 461 and third socket 463Side's (not shown).
As a result, since the first socket 461, the second socket 462 and the height of third socket 463 in the up-down direction are smaller,This reduces the whole heights of draw socket 4, so as to reduce 4 occupied axial direction of draw plug 5 and draw socket(i.e. upper and lower directions) space, thereby reduce motor shell 1 axial height, reduce rotor 32 run when beat and by inclinedVibration and noise caused by pendulum.
Certainly, the line of the first socket 461 and third socket 463 can also between horizontal line at angle β, at this time firstSocket 461 can be located at the top of third socket 463, can also be located at the lower section (not shown) of third socket 463.It is preferred thatThe line of ground, the first socket 461 and third socket 463 and horizontal angle β≤60 °, effectively to reduce draw plug 5 and drawGo out 4 occupied axial height of socket.It is appreciated that the first socket 461, the second socket 462 and third socket 463 are inserted in extractionArrangement on seat 4 can be specifically arranged according to actual requirement, preferably to meet actual requirement.
Such as single cylinder compressor of external-rotor-type compressor 100 according to the ... of the embodiment of the present invention, by the first socket 461,The arrangement of second socket 462 and third socket 463 in draw socket 4 is designed, and improves external-rotor-type compressor100 integrally-built compactedness.Moreover, the axial height of motor is relatively low, so as to effectively reduce when rotor 32 is runVibration and noise caused by beat and beat.
A specific embodiment according to the present invention as shown in figure 4, draw socket 4 is an overall structure, and is drawn and is inserted4 generally obround shape, three stator lead-out wires 3121 of stator winding 312 of seat are both connected in the draw socket 4.It is optionalGround, draw socket 4 are soldered to the side wall of shell 1.Certainly, draw socket 4 can also use other connection types to be connected to shellThe side wall of body 1, the present invention are not especially limited this.
Wherein, the side of draw socket 4 is set there are three internal wiring terminal 41, there are three the other side of draw socket 4 is setExternal wiring terminal 42, three internal wiring terminals 41 and three external wiring terminals 42 correspond, internal wiring terminal 41It is connected to conductor with external wiring terminal 42, can be provided with sintering insulated between the conductor and draw socket 4, both can guarantee interiorInsulation performance between portion's connecting terminal 41, external wiring terminal 42 and draw socket 4, can also bear external-rotor-type compressorPressure inside 100, while high temperature when welding between draw socket 4 and shell 1 can also be born.Here, it should be noted thatSintering insulated material and its implementing process have been well known to those skilled in the art, and are not detailed herein.
After in the installation to the side wall of shell 1 of draw socket 4, three internal wiring terminals 41 stretch into shell 1, and three outerPortion's connecting terminal 42 is located at outside shell 1, three stator lead-out wires 3121 of stator winding 312 by draw plug 5 respectively withThree internal wiring terminals 41 connect.
As a result, by the way that three stator lead-out wires 3121 are each attached in a draw socket 4, three stator lead-out wires3121 can be integrated in factory in a draw socket 4, when external-rotor-type compressor 100 is assembled, as long as welding oneA draw socket 4 can complete the installation of draw socket 4, easy to operate, and production efficiency is high, be suitable for external-rotor-type compressorThe slightly lower machine of 100 shell, 1 resistance to pressure request.
Another specific embodiment according to the present invention, as shown in fig. 6, draw socket 4 includes three sub-sockets 44, threeSub-socket 44 is separated from each other setting, and three sub-sockets 44 are perfectly even spaced apart, connected in each sub-socket 44 three it is fixedOne in sub- lead-out wire 3121, i.e. three stator lead-out wires 3121 and three sub-sockets 44 correspond.
Specifically, each sub-socket 44 is rounded, the side of each sub-socket 44 is set there are one internal wiring terminal 41,The other side of each sub-socket 44 sets that there are one external wiring terminals 42, and internal wiring terminal 41 and external wiring terminal 42 are one by oneCorresponding, the internal wiring terminal 41 of each sub-socket 44 is connected to external wiring terminal 42 with conductor, the conductor and sub-socket 44Between can be provided with sintering insulated, both can guarantee internal wiring terminal 41, external wiring terminal 42 and corresponding sub-socket 44Between insulation performance, can also bear the pressure inside external-rotor-type compressor 100, while sub-socket 44 and shell can also be bornHigh temperature when being welded between body 1.
After three sub-sockets 44 are mounted respectively on the side wall of shell 1, three back panel wiring ends of three sub-sockets 44Son 41 stretches into shell 1, and three external wiring terminals 42 of three sub-sockets 44 are located at outside shell 1, and the three of stator winding 312A stator lead-out wire 3121 is connect with three internal wiring terminals 41 of three sub-sockets 44 respectively by draw plug 5.
Each stator lead-out wire 3121 is fixed in a single circular sub socket 44 as a result, entire external-rotor-type pressureThe outlet structure of contracting machine 100 is made of multiple individual sub-sockets 44, due to the length of each sub-socket 44 and the contact of shell 1It is smaller, and be regular circular, it is suitable for the more demanding machine of 100 shell of external-rotor-type compressor, 1 pressure resistance.
Certainly, draw socket 4 or sub-socket 44 can be with oval, oblong or polygons etc..It is appreciated that drawingConcrete shape and size of socket 4 or sub-socket 44 etc. adaptive change, the present invention can not make this according to actual demandParticular determination.
Referring to Fig.1 and Fig. 5 and Fig. 7, the side wall of shell 1 is combined to be equipped with boss 12, one end of the separate shell 1 of boss 12Surface is formed as plane 121, and wherein draw socket 4 is soldered on boss 12.For example, the shell 1 of external-rotor-type compressor 100 is adoptedAfter being processed as cylindrical shape with the technique of winding, welding, bulging, stamping technology may be used, stamp out on the side wall of shell 1 convexThe end surface of platform 12, the separate shell 1 of the boss 12 is formed as plane 121, to shell 1 side wall and draw socket 4 itBetween for plane 121 contact, reduce the welding difficulty of draw socket 4, at the same be conducive to improve draw socket 4 and shell 1 sideSealing intensity between wall.Wherein, the end surface far from shell 1 on boss 12 can be formed as oblong.
Certainly, boss 12 can also be soldered to the side wall of shell 1.At this point, boss 12 is individually processed into shell 1Then type is soldered to the side wall of shell 1 by welding.Optionally, the equal rounding off in the outer surface of boss 12.
The through-hole 43 being connected to chamber 11 is formed on boss 12.As shown in figure 5, the generally oblong of through-hole 43, wholeThe draw socket 4 of structure is adapted to mount in through-hole 43, for example, draw socket 4 is welded on the side wall of through-hole 43.Such as Fig. 6 institutesShow, three sub-through holes 45 being connected to chamber 11, three sub-through holes 45 uniform intervals on horizontal plane 121 are formed on boss 12It is distributed, a sub-socket 44 can be installed in each sub-through hole 45.
External-rotor-type compressor 100 according to the ... of the embodiment of the present invention as a result, the stator lead-out wire 3121 of motor from stator aroundThe lower part of group 312 is drawn, and the draw socket being fixed on 1 side wall of shell is drawn out to from the gap between rotor 32 and compression setIn 4, to realize motor stator 31 and external drive power supply connection.
External-rotor-type compressor 100 according to the ... of the embodiment of the present invention utilizes 22 top of cylinder of external-rotor-type compressor 100Vacant axial space can complete stator lead-out wire 3121 and draw socket 4 with the insulating safety distances of motor lower portionStructure is arranged, 4 occupied axial space of draw plug 5 and draw socket can be reduced, and reduces axial direction of the motor in shell 1Highly, reduce beat when rotor 32 is run and vibration and noise caused by beat.
Other of external-rotor-type compressor 100 according to the ... of the embodiment of the present invention are constituted and are operated for people in the artAll it is known for member, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knotStructure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned termSchematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of descriptionPoint can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：NotIn the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, thisThe range of invention is limited by claim and its equivalent.