CN105406242A - Terminal assembly for compressor and minisize compressor - Google Patents
Terminal assembly for compressor and minisize compressor Download PDFInfo
- Publication number
- CN105406242A CN105406242A CN201510909596.1A CN201510909596A CN105406242A CN 105406242 A CN105406242 A CN 105406242A CN 201510909596 A CN201510909596 A CN 201510909596A CN 105406242 A CN105406242 A CN 105406242A
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- Prior art keywords
- lid
- compressor
- binding post
- bulge loop
- connecting hole
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention discloses a terminal assembly for a compressor and a minisize compressor. The terminal assembly comprises a cover body and a binding post; the cover board is plate-shaped; a connecting hole is formed in the cover board; the binding post is arranged in the connecting hole, and the two ends of the binding post extend out of the connecting hole; and a bulge loop used for welding is arranged on the surface of the cover board around the connecting hole. According to the terminal assembly, the cover board can be welded on the upper shell of the compressor with a good sealing effect, so that the overall height of the compressor can be lowered conveniently.
Description
Technical field
The present invention relates to compressor field, especially relate to a kind of connecting terminal components for compressor and micro-compressor.
Background technology
Along with the progress of science and technology, the raising of people's life and the level of production, the application demand of various Miniature refrigerating device is more and more extensive.Vapor compression refrigeration is widely used because refrigerating efficiency is high, and as the core component of refrigerating plant, the research and development of micro-compressor receive great attention.In portable minisize refrigerating plant, then expect that compressor volume is little and lightweight.
Traditional hermetic compressor is by housing and be fixed on the pump housing of enclosure interior, motor forms, be connected with external power source by the binding post on binding post during machine operation, and binding post is generally connected with upper shell by the mode of electric resistance welding, also some compressors are had, hermetic terminal and upper shell are designed to integrated structure, and the binding post and the upper shell that are about to connection power supply directly form with glass sintering.
For micro-compressor, if directly use standard component binding post, in order to avoid binding post lower surface and motor ends contact, will inevitably increase the whole height of compressor, the aim of this and compressor miniaturization is disagreed.If be directly connected with glass sintering with upper shell by binding post, also there is many drawbacks in this design: sintering upper shell and joint pin cost increase on the one hand; On the other hand, by oxidized for upper shell surface after upper shell sintering, easy failure welding when upper shell welds with main casing, needs repeatedly repair welding.
Summary of the invention
The application is intended to solve problems of the prior art.For this reason, the present invention aims to provide a kind of connecting terminal components for compressor, can be beneficial to and reduce compressor whole height.
Another object of the present invention is to provide a kind of micro-compressor with above-mentioned connecting terminal components.
According to the connecting terminal components for compressor of the embodiment of the present invention, comprise lid and binding post, described lid is plate shape, described lid is provided with through described lid connecting hole in a thickness direction, described binding post is located in described connecting hole and described connecting hole is stretched out at two ends respectively, and described top surface is provided with the bulge loop for welding around described connecting hole.
According to the connecting terminal components for compressor of the embodiment of the present invention, by lid is arranged to plate shape, and lid is provided with the bulge loop for welding, thus can ensure that lid energy excellent sealing is welded on the upper shell of compressor, being convenient to the whole height reducing compressor.
Particularly, the cross section outline of described bulge loop is circular arc.Thus, be linear contact lay between lid and the upper shell of compressor, to ensure good welding condition, reduce the percent defective of lid.
Alternatively, the periphery wall of described binding post one end stretch out formed connect boss.Thus, the setting connecting boss can conveniently be connected with compressor back panel wiring.
In certain embodiments, described binding post is connected on described lid by the vitreum of sintering.Thus ensure the insulation resistance of binding post, and ensure the sealing of connection hole.
Particularly, described bulge loop and described Vitrea distance are more than or equal to 2mm.Thus, when the upper shell of bulge loop and compressor carries out high-temperature soldering, can ensure that vitreum is not damaged.
Further, the surface of described lid is provided with the flange around described connecting hole.Thus, can increase the inner wall area of connecting hole, binding post connects reliable, connecting hole good airproof performance.
According to the micro-compressor of the embodiment of the present invention, comprising: housing section, described housing section comprises main casing and upper shell, and that opens wide above described main casing is formed as is barrel-shaped, and described upper shell is engaged on described main casing to limit closed container cavity; Electric machine assembly, described electric machine assembly is located in described container cavity, and described electric machine assembly has motor wiring; Connecting terminal components, described connecting terminal components comprises lid and binding post, and described lid is plate shape, and described lid is provided with connecting hole, and described binding post is located in described connecting hole and described connecting hole is stretched out at two ends respectively; Wherein, the surface of described lid is provided with the bulge loop around described connecting hole, and described bulge loop is connected on described upper shell by electric resistance welding, and one end extend in described container cavity of described binding post is connected with described motor wiring.
According to the micro-compressor of the embodiment of the present invention, by arranging bulge loop on lid, lid by carrying out electric resistance welding at bulge loop place and upper shell, thus can ensure that lid energy excellent sealing is welded on upper shell.Lid is arranged to plate shape, adds the cavity volume that the stator of micro-compressor inside and upper shell surround, reduce compressor height.Meanwhile, because binding post is connected on upper shell by lid, avoid the problem causing upper shell to be oxidized on upper shell binding post direct sintering, thus avoid the problem that main casing and upper shell be difficult to weld.
Particularly, on the described bulge loop inner surface that is connected to described upper shell or outer surface.
Further, the periphery wall of one end extend in described container cavity of described binding post stretches out to be formed and connects boss, and described motor wiring is provided with and the described plug-in unit being connected boss and coordinating.Thus, from horizontal direction, plug-in unit can be inserted in T-shaped binding post, solve binding post and motor artificial vertical direction wiring space minor issue inside micro-compressor.
Alternatively, described plug-in unit is sheet, and the relative both sides of described plug-in unit are bending toward each other to be formed and the described slot being connected boss and coordinating.Thus, dongle configuration is simple, handling ease.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the schematic top plan view of the connecting terminal components according to the embodiment of the present invention;
Fig. 2 is the cross-sectional schematic of the connecting terminal components according to the embodiment of the present invention;
Fig. 3 is the schematic top plan view of lid according to an embodiment of the invention;
Fig. 4 is the schematic top plan view of lid in accordance with another embodiment of the present invention;
Fig. 5 is the cross-sectional schematic of lid according to an embodiment of the invention;
Fig. 6 is the cross-sectional schematic of lid in accordance with another embodiment of the present invention;
Fig. 7 is that Fig. 5 centre circle shows A portion enlarged diagram;
Fig. 8 is the schematic front view of the binding post according to the embodiment of the present invention;
Fig. 9 is the schematic top plan view of binding post according to an embodiment of the invention;
Figure 10 is the schematic top plan view of binding post in accordance with another embodiment of the present invention;
Figure 11 is the schematic top plan view of the binding post according to another embodiment of the present invention;
Figure 12 is the schematic perspective view of binding post embodiment illustrated in fig. 9;
Figure 13 is the structural representation of the micro-compressor according to the embodiment of the present invention;
Figure 14 is the assembling schematic diagram of connecting terminal components and upper shell according to an embodiment of the invention;
Figure 15 is the assembling schematic diagram of connecting terminal components and upper shell according to another embodiment of the present invention;
Figure 16 is the structural representation of the plug-in unit according to the embodiment of the present invention;
Figure 17 is assembly and the contrast schematic diagram according to the assembly of the embodiment of the present invention of standard component connecting terminal components, upper shell.
Reference numeral:
Micro-compressor 100,
Connecting terminal components 1, lid 11, connecting hole 111, bulge loop 112, flange 113, binding post 12, connect boss 121, vitreum 13,
Compression assembly 2, bent axle 21, cylinder 22, piston 23, upper bearing (metal) 24, lower bearing 25,
Electric machine assembly 3, stator 31, rotor 32, motor wiring 33, plug-in unit 34, slot 341,
Housing section 4, main casing 41, upper shell 42, installing hole 421, air inlet pipe 43.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " highly ", " thickness ", " on ", D score, " vertically ", " level ", " top ", " end ", " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Below with reference to Fig. 1-Figure 12, the connecting terminal components 1 for compressor according to the embodiment of the present invention is described.
According to the connecting terminal components 1 for compressor of the embodiment of the present invention, as depicted in figs. 1 and 2, comprise lid 11 and binding post 12, lid 11 is plate shape, lid 11 is provided with the connecting hole 111 of through lid 11 in a thickness direction, binding post 12 is located in connecting hole 111, and connecting hole 111 is stretched out at the two ends of binding post 12 respectively.
It should be noted that, the effect of connecting terminal components is, compressor power inside parts introduce external power source by connecting terminal components.The upper shell of compressor is provided with installing hole, connecting terminal components is arranged on installing hole place, on assembly, one end of binding post is positioned at upper shell inside to connect the consuming parts of compressor inside, and on assembly, the other end of binding post is positioned at upper shell outside to connect external power source.
In embodiments of the present invention, the surface of lid 11 is provided with the bulge loop 112 for welding around connecting hole 111.That is, when connecting terminal components 1 is arranged on the upper shell of compressor, the bulge loop 112 on lid 11 is only against on the upper shell of compressor, and is welded to connect at bulge loop 112 place, ensure that lid 11 is fixedly connected on upper shell, and ensure to be tightly connected between lid 11 and installing hole.
Binding post 12 at least three usually within the compressor, three joint pins 12 are all located in connecting hole 111.Lid 11 on the surface bulge loop 112 is closed-loop, and when connecting hole 111 is multiple, bulge loop 112 is around all connecting holes 111.
The setting of bulge loop 112, even if make lid 11 also can be close to upper shell on the surface for plate shape, welding quality is higher, installing hole upper shell being used for assemble connecting terminal components 1 can be sealed up.And lid 11 is little with the upper shell contact area of compressor, be convenient to the overall dimensions reducing connecting terminal components 1.Here, the principle reducing size of components further illustrates in the embodiment of hereafter concrete compressor, repeats no more here.
Thus, according to the connecting terminal components 1 for compressor of the embodiment of the present invention, by lid 11 is arranged to plate shape, and lid 11 is provided with the bulge loop 112 for welding, thus can ensure that lid 11 can be welded on the upper shell of compressor by excellent sealing, be convenient to the whole height reducing compressor.
Particularly, as shown in Figure 2, the gap between the internal face of binding post 12 and connecting hole 111 fills with conjunction.Such as, above-mentioned gap is injected with fluid and is solidified rear conjunction between bonding binding post 12 and the inwall of connecting hole 111 and fills.Advantageously, resistance to elevated temperatures is good after hardening for conjunction.
In a concrete example, binding post 12 is connected on lid 11 by the vitreum 13 of sintering, thus ensures the insulation resistance of binding post 12, and ensures the sealing at connecting hole 111 place.
Further, as shown in Figure 2, the surface of lid 11 is provided with the flange 113 around connecting hole 111, like this, can increase the inner wall area of connecting hole 111.When binding post 12 is connected on lid 11 by conjunction, the contact internal walls area of conjunction and connecting hole 111 is large, and binding post 12 connects reliably, connecting hole 111 good airproof performance.
Preferably, bulge loop 112 is more than or equal to 2mm with the distance d of vitreum 13, and as in Fig. 3 and Fig. 4, region Q is the overlay area of vitreum 13, and the distance d of the outer edge of overlay area Q and the inside edge of bulge loop 112 is more than or equal to 2mm.Thus, when bulge loop 112 carries out high-temperature soldering with the upper shell of compressor, can ensure that vitreum 13 is not damaged.That is, 2mm is equivalent to the safe distance that vitreum 13 keeps not being damaged.
Particularly, lid 11 can be formed as dull and stereotyped, thus is convenient to processing, and lid 11 also can be formed as arc.Such as when the case top of compressor is the arc protruded, lid 11 can be formed as arc, and lid 11 can directly cover in case top, thus ensures that lid 11 can be connected with housing seal better.
In a specific embodiment, as depicted in figs. 1 and 2, lid 11 is formed as circular slab, and lid 11 is provided with the center uniform intervals distribution of three connecting holes, 111, three connecting holes 111 around lid 11.Connecting terminal components 1 comprises three binding posts, 12, three binding posts 12 and is located in three connecting holes 111 correspondingly, and three binding posts 12 are also around the center uniform intervals distribution of lid 11.
Particularly, as shown in Figure 3, bulge loop 112 can be formed as annular, and bulge loop 112 coincides with the central axis of lid 11, thus lid 11 handling ease, and assembly good looking appearance.
Alternatively, as shown in Figure 4, bulge loop 112 also can be formed as general triangular, and in three limits of bulge loop 112, adjacent both sides arc transition connects, and so also can ensure can interval safe distance between the arbitrary place of bulge loop 112 and the overlay area Q of vitreum 13.Certainly, bulge loop 112 also for other figures developed by figures such as annular, class triangles, as long as bulge loop 112 is closed ring, and can keep the distance of needs between bulge loop 112 and vitreum 13.
In an embodiment of the present invention, bulge loop 112 can be located in one of them of the apparent surface of lid 11, and as shown in Figure 5, bulge loop 112 can be positioned on the surface arranging flange 113 of lid 11, again as shown in Figure 6, bulge loop 112 can be located on the surface of not establishing flange 113 of lid 11.Lid 11 all can be welded on the upper shell of compressor by two kinds of set-up modes, and concrete welding position further illustrates in the structure of the micro-compressor in below being described, and repeats no more here.
Particularly, as shown in Figure 7, before lid 11 welds, the cross section outline of bulge loop 112 is circular arc, like this, is linear contact lay between lid 11 and the upper shell of compressor, such as when bulge loop 112 is annulus, the contact point between welding front cover body 11 and upper shell is formed as circular.Thus, ensure good welding condition, reduce the percent defective of lid 11.
More specifically, the part that bulge loop 112 is lid 11 is recessed into along direction, side and is formed.For Fig. 5 and Fig. 6, lid 11 comprises apparent surface F1 and F2, and in Figure 5, the part on the F1 surface of lid 11 is recessed towards the direction of F2, before welding, the thickness of bulge loop 112 equals the thickness (thickness of lid 11 and the distance of apparent surface F1 and F2) of lid 11.In figure 6, the part on the F2 surface of lid 11 is recessed towards the direction of F1, and before welding, the thickness of bulge loop 112 equals the thickness of lid 11.
Preferably, due to punch process processing ease, with low cost, therefore bulge loop 112 is drawing part.In other words, bulge loop 112 is by lid 11 drawing.
In certain embodiments, as shown in Figure 8, the periphery wall of binding post 12 one end stretches out to be formed and connects boss 121, and the setting connecting boss 121 can conveniently be connected with compressor back panel wiring.Here, outwards refer to along the radial direction of binding post 12 towards the direction of the central shaft away from binding post 12.Certainly, being provided with the one end connecting boss 121 is one end that binding post 12 extend in upper shell of compressor, and this syndeton illustrates in the description of the micro-compressor 100 of below, repeats no more here.
Particularly, as shown in Figure 8, binding post 12 is formed as T-shaped.Alternatively, as shown in Fig. 9-Figure 12, the axial cross section connecting boss 121 refers to the cross section of the central axis perpendicular to binding post 12, the axial cross section connecting boss 121 can be circle, rectangle or other shapes, such as shown in figure 11, the axial cross section connecting boss 121 can for the figure developed by circular, rectangle.
According to the connecting terminal components 1 of the embodiment of the present invention, by lid 11 is arranged to plate shape, the annular convex ring 112 that lid 11 is formed by surface is welded to connect, thus while ensureing that the upper shell of lid 11 with compressor is tightly connected, be beneficial to the size shortening lid 11, be convenient to the height reducing compressor.
Because connecting terminal components 1 can be beneficial to reduction compressor size, this binding post is being applied in Miniature refrigerating device technical field, is beneficial to the microminiaturization of compressor, lightweight.
Structure according to the micro-compressor 100 of the embodiment of the present invention is described, to further illustrate the application advantage on the compressor of above-mentioned connecting terminal components 1 below with reference to Figure 13-Figure 17.
Here, micro-compressor refers to that refrigerating capacity is less than the refrigerant compressor of 1KW.Micro-compressor has that volume is little, lightweight, high power, low energy consumption, work quiet friction, variable ratio frequency changer and be easy to the features such as accurately control, is the first-selection of highly desirable movement or portable low profile thermal management system.Micro-compressor can be widely used in the refrigeration unit of conditioner, water cooling plant, commercial refrigerator device, such as, can be used for portable refrigeration system, food cooling system, miniature refrigerating system, temperature control pig, electronic refrigerating system, medical imaging system, mini cooling water system etc.
According to the micro-compressor 100 of the embodiment of the present invention, as shown in figure 13, comprising: housing section 4, electric machine assembly 3, compression assembly 2 and connecting terminal components 1.Housing section 4 comprises main casing 41 and upper shell 42, and that opens wide above main casing 41 is formed as is barrel-shaped, and upper shell 42 is engaged on main casing 41 to limit closed container cavity.Upper shell 42 is welded to connect on main casing 41.Compressor also comprises air inlet pipe 43 and exhaust manifolds, and air inlet pipe 43 and exhaust manifolds are located in housing section 4.Alternatively, exhaust manifolds are located at upper shell 42 and are communicated with container cavity, to discharge compression refrigerant.
As shown in figure 13, electric machine assembly 3 comprises stator 31 and coordinates the rotor 32 rotated with stator 31.In the example in figure 13, motor is inner rotor motor, is namely enclosed within rotor 32 outside stator 31.Alternatively, stator 31 hot jacket is in the internal diameter of main casing 41, and rotor 32 hot jacket is on the major axis of the bent axle 21 of compression assembly 2.
Compression assembly 2 is compression units of cold media gas, realizes the compressed action to low-temp low-pressure refrigerant.As shown in figure 13, except bent axle 21, compression assembly 2 also comprises cylinder 22, lower bearing 25, upper bearing (metal) 24, piston 23 and slide plate (scheming not shown) etc., bent axle 21 runs through cylinder 22 and is enclosed within outside rotor 32 on bent axle 21, bent axle 21 be fixedly connected with rotor 32 with rotor 32 synchronous rotary.
Upper bearing (metal) 24 and lower bearing 25 are located at the two ends up and down of cylinder 22 respectively, and upper bearing (metal) 24 and/or lower bearing 25 are provided with the steam vent (scheming not shown) being communicated with cylinder 22 inner space, and bent axle 21 coordinates with upper bearing (metal) 24 and lower bearing 25 respectively.
Air inlet pipe 43 is connected to input refrigerant with cylinder 22, is located in cylinder 22 to piston 23 eccentric rotary, and bent axle 21 is connected with piston 23 with driven plunger 23 eccentric rotary, with the refrigerant in compression cylinder 22.Slide plate is positioned at the vane slot of cylinder 22, cylinder 22 inner space is divided into high pressure chest and low-pressure cavity by slide plate, compression refrigerant in piston 23 rotation process, pressure in high pressure chest is raised, when pressure is increased to the external pressure slightly larger than compression assembly 2, namely pressurized gas refrigerant discharges by steam vent.
With reference to Figure 13-Figure 15, connecting terminal components 1 comprises lid 11 and binding post 12, and lid 11 be plate shape, and lid 11 is provided with connecting hole 111, and binding post 12 is located at that connecting hole 111 is interior and connecting hole 111 is stretched out at two ends respectively.The surface of lid 11 is provided with the bulge loop 112 around connecting hole 111, and bulge loop 112 is connected on upper shell 42 by Resistance Welding.Electric machine assembly 3 has motor wiring 33, and one end extend in container cavity of binding post 12 is connected with motor wiring 33.
As shown in figure 13, upper shell 42 is provided with installing hole 421, connecting terminal components 1 is arranged on installing hole 421 place, and on assembly, one end of binding post 12 is positioned at housing section 4 to connect motor wiring 33, and on assembly, the other end of binding post 12 is positioned at outside housing section 4 to connect external power source.
Particularly, lid 11 is formed as circular slab, and lid 11 is provided with the center uniform intervals distribution of three connecting holes, 111, three connecting holes 111 around lid 11.Connecting terminal components 1 comprises three binding posts, 12, three binding posts 12 and is located in three connecting holes 111 correspondingly, and three binding posts 12 are also around the center uniform intervals distribution of lid 11.
In embodiments of the present invention, bulge loop 112 is closed-loop, and bulge loop 112 is around all connecting holes 111.As shown in Figure 14 and Figure 15, lid 11 is only against on the surface of upper shell 42 by bulge loop 112, then carries out electric resistance welding at bulge loop 112 place.
It should be noted that, the welding equipment that electric resistance welding uses has two joints, and each joint connects an electrode.Two joints are connected to the both sides of overlap edge and position is relative, and now two overlap edges are between two joints.Two electrifying electrodes during welding, electric current is by joint and be communicated with the overlap edge of junction contacts, produces resistance heat after overlap edge energising, and resistance heat makes contact area and the adjacent domain fusing thereof of the joint on overlap edge, forms solder joint.
Due to lid 11 arranging bulge loop 112 in the embodiment of the present invention, during welding, positive terminal can be connected on bulge loop 112, and anode connector can be connected on the contact point of bulge loop 112 (namely upper shell 42 is close to place with bulge loop 112).During welding, current convergence is on bulge loop 112, and bulge loop 112 and the fusing of bulge loop contact point form nugget.
Preferably, the cross section of bulge loop 112 is formed as hemisphere, and the bulge loop of hemispherical cross-section makes current convergence in the top of bulge loop 112, and the nugget that bulge loop 112 melts rear formation is less, thus improves the aesthetics of weldment.Meanwhile, because current convergence is on bulge loop 112, current distributing is less, avoid equal weld time internal projecting ring 112 to be heated everywhere the problem that inequality, spot size differ, therefore the intensity of solder joint can be guaranteed, and weldment connects reliable.Thus, enhance the adhesion between connecting terminal components 1 and upper shell 42, the installing hole 421 on upper shell 42 is sealed up, Leakage Gas when preventing compressor operating.
Because current convergence during welding is on bulge loop 112, slow down the current distributing problem caused because the edge of joint distance overlap edge is too near in traditional handicraft, therefore the overlap edge of weldment can arrange narrower, thus can reduce the weight of comparable size weldment, beautifies the outward appearance of weldment.
In embodiments of the present invention, the part around installing hole 421 of upper shell 42 is equivalent to the welded lap limit on upper shell 42, and the edge of lid 11 is equivalent to the welded lap limit on lid 11.From above-mentioned elaboration, lid 11 is arranged to plate shape, reduce the size of lid 11, P place carries out electric resistance welding in figures 14 and 15, also can ensure sealing between lid 11 and installing hole 421, ensures the good welds of lid 11 and upper shell 42.
According to the micro-compressor 100 of the embodiment of the present invention, by arranging bulge loop 112 on lid 11, lid 11 by carrying out electric resistance welding at bulge loop 112 place and upper shell 42, thus can ensure that lid 11 can be welded on upper shell 42 by excellent sealing.Lid 11 is arranged to plate shape, the cavity volume that the stator 31 adding micro-compressor 100 inside surrounds with upper shell 42, reduces compressor height.Meanwhile, because binding post 12 is connected on upper shell 42 by lid 11, avoid the problem causing upper shell 42 to be oxidized on upper shell 42 binding post 12 direct sintering, thus avoid the problem that main casing 41 and upper shell 42 be difficult to weld.
Particularly, as shown in figure 14, the gap between the internal face of binding post 12 and connecting hole 111 fills with conjunction.Alternatively, binding post 12 is connected on lid 11 by the vitreum 13 of sintering.
Further, as shown in figure 14, the surface of lid 11 is provided with the flange 113 around connecting hole 111, thus increases the inner wall area of connecting hole 111.Preferably, flange 11 be located at lid 11 towards on the surface of container cavity.
Preferably, bulge loop 112 is more than or equal to 2mm with the distance of vitreum 13.
In an embodiment of the present invention, bulge loop 112 can be located in one of them of the apparent surface of lid 11.As shown in figure 14, bulge loop 112 can be located on the lower surface of lid 11, and bulge loop 112 is connected on the outer surface S1 of upper shell 42, installing hole 421 can be sealed up by welding manner by the outer surface S1 of closed body bulge loop 112 with upper shell 42.As shown in figure 15, bulge loop 112 can be located on the upper surface of lid 11, and bulge loop 112 is connected on the inner surface S2 of upper shell 42, installing hole 421 can be sealed up by welding manner by the inner surface S2 of closed body bulge loop 112 with upper shell 42.
In certain embodiments, as shown in figure 14, the periphery wall of one end extend in container cavity of binding post 12 stretches out to be formed and connects boss 121, and motor wiring 33 is provided with and the plug-in unit 34 being connected boss 121 and coordinating.Namely binding post 12 is formed as T-shaped substantially, is connected by plug-in unit 34, can be inserted in T-shaped binding post 12 by plug-in unit 34 from horizontal direction with T-shaped binding post 12, solves binding post 12 and motor artificial vertical direction wiring space minor issue inside micro-compressor 100.
In a concrete example, as shown in figure 16, plug-in unit 34 is sheet, and the relative both sides of plug-in unit 34 are bending toward each other with the slot 341 formed be connected boss 121 and coordinate.Like this, form drawer-type structure, plug-in unit 34 can be inserted in binding post 12 from horizontal direction, and connect boss 121 and be enclosed on plug-in unit 34, compressor motor internal is communicated with outside power supply.Such plug-in unit 34 structure is simple, handling ease.
Figure 17 illustrates in one particular embodiment of the present invention, and above-mentioned connecting terminal components 1 and standard component binding post connect Structure Comparison schematic diagram during identical upper shell.Wherein upper shell 42 is micro-compressor 100 upper shell 42 used, and as seen from the figure, use the connecting terminal components 1 of the embodiment of the present invention, the height in compressor is starkly lower than standard component height, and difference in height is h.Illustrate and the cavity volume that the stator 31 using the design can increase micro-compressor 100 inside surrounds with upper shell 42 reduce the height of compressor, realize the miniaturized object of compressor.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " example " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to above-mentioned term schematic representation.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (10)
1. the connecting terminal components for compressor, it is characterized in that, comprise lid and binding post, described lid is plate shape, described lid is provided with the connecting hole of through described lid in a thickness direction, described binding post is located in described connecting hole and described connecting hole is stretched out at two ends respectively, and the surface of described lid is provided with the bulge loop for welding around described connecting hole.
2. the connecting terminal components for compressor according to claim 1, is characterized in that, the cross section outline of described bulge loop is circular arc.
3. the connecting terminal components for compressor according to claim 1, is characterized in that, the periphery wall of described binding post one end stretches out to be formed and connects boss.
4. the connecting terminal components for compressor according to claim 1, is characterized in that, described binding post is connected on described lid by the vitreum of sintering.
5. the connecting terminal components for compressor according to claim 4, is characterized in that, described bulge loop and described Vitrea distance are more than or equal to 2mm.
6. the connecting terminal components for compressor according to claim 1, is characterized in that, the surface of described lid is provided with the flange around described connecting hole.
7. a micro-compressor, is characterized in that, comprising:
Housing section, described housing section comprises main casing and upper shell, and that opens wide above described main casing is formed as is barrel-shaped, and described upper shell is engaged on described main casing to limit closed container cavity;
Electric machine assembly, described electric machine assembly is located in described container cavity, and described electric machine assembly has motor wiring;
Connecting terminal components, described connecting terminal components comprises lid and binding post, and described lid is plate shape, and described lid is provided with connecting hole, and described binding post is located in described connecting hole and described connecting hole is stretched out at two ends respectively;
Wherein, the surface of described lid is provided with the bulge loop around described connecting hole, and described bulge loop is connected on described upper shell by electric resistance welding, and one end extend in described container cavity of described binding post is connected with described motor wiring.
8. micro-compressor according to claim 7, is characterized in that, on the inner surface that described bulge loop is connected to described upper shell or outer surface.
9. micro-compressor according to claim 7, is characterized in that, the periphery wall of one end extend in described container cavity of described binding post stretches out to be formed and connects boss, and described motor wiring is provided with and the described plug-in unit being connected boss and coordinating.
10. micro-compressor according to claim 9, is characterized in that, described plug-in unit is sheet, and the relative both sides of described plug-in unit are bending toward each other to be formed and the described slot being connected boss and coordinating.
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| CN201510909596.1A CN105406242B (en) | 2015-12-09 | 2015-12-09 | Connecting terminal components and micro-compressor for compressor |
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| CN201510909596.1A CN105406242B (en) | 2015-12-09 | 2015-12-09 | Connecting terminal components and micro-compressor for compressor |
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| CN105406242B CN105406242B (en) | 2018-09-18 |
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| CN108374778A (en) * | 2018-03-29 | 2018-08-07 | 广东美芝制冷设备有限公司 | Housing unit and its manufacturing method, compressor and refrigeration equipment |
| CN109404462A (en) * | 2017-08-18 | 2019-03-01 | 美的集团股份有限公司 | Isolation mounting and water purifier |
| CN110832753A (en) * | 2017-07-05 | 2020-02-21 | 株式会社美姿把 | Method for manufacturing motor device and motor device |
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| CN105406242B (en) | 2018-09-18 |
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