CN218829511U - Connection structure of motor PCBA board and stator module - Google Patents

Abstract

The utility model discloses a connection structure of motor PCBA board and stator module, belong to the motor technology field, this connection structure includes looks ring sum electrically conductive connecting seat, the looks ring includes the looks ring body, the embedded first electrically conductive inserts that have on the looks ring body, the electrically conductive inserts of second and third, be provided with first electrically conductive connecting rod and first wire winding hook on the first electrically conductive inserts, be provided with the electrically conductive connecting rod of second and second wire winding hook on the electrically conductive inserts of second, be provided with electrically conductive connecting rod of third and third wire winding hook on the electrically conductive inserts of third, the embedding has first conducting strip on the electrically conductive connecting seat, second conducting strip and third conducting strip, first conducting strip, second conducting strip and third conducting strip are respectively with first electrically conductive connecting rod, electrically conductive connecting rod of second and third electrically conductive connecting rod on with the three electrically conductive pin one-to-one of PCBA board electrically conductive connection. This connection structure can make PCBA board and stator module more conveniently connect, can also guarantee better sealing performance simultaneously.

Description

Connection structure of motor PCBA board and stator module

Technical Field

The utility model relates to the technical field of electric machine, especially, relate to a connection structure of motor PCBA board and stator module.

Background

The motor is a common power device and is used in various industries, and patent number 202111286404.8 discloses an external rotor motor for driving an automobile cooling fan, which comprises a controller component, wherein the controller component comprises a shell consisting of a heat radiating seat and a rear end cover, a conductive support and a PCBA board are arranged in the shell, a central shaft is arranged on the front surface of the heat radiating seat, an armature component is arranged on the front surface of the heat radiating seat, an external rotor assembly is rotatably arranged on the central shaft, an inductance mounting area, a conductive support mounting area, a wire harness joint area and a heat conducting platform are arranged on the heat radiating seat, the conductive support is placed in the conductive support mounting area, an inductor is arranged in the inductance mounting area, a wire harness conductive pin is arranged in the wire harness joint area, and the inductor and the wire harness conductive pin are welded and fixed with a corresponding conductive hole on the PCBA board, the utility model discloses a heat sink, including the heat dissipation seat, be provided with three through hole in the electrically conductive support installation region, electrically conductive support includes three installation hole portion, and the periphery of this installation hole portion is provided with semi-enclosed terminal guard portion, is connected through the connecting rod between this terminal guard portion and the installation hole portion, and the back of this connecting rod is provided with the location caulking groove that both ends extend to terminal guard portion and installation hole portion respectively, installs a conductive connecting rod on every installation hole portion respectively, the one end of conductive connecting rod inserts corresponding installation hole portion and wears out from the through hole, in the location caulking groove that the middle part embedding of conductive connecting rod corresponds, the tail end of conductive connecting rod is connecting terminal and is in the terminal guard portion that corresponds, and this connecting terminal inserts on the PCBA board to electrically conductive hole welded fastening, electrically conductive connecting rod is connected armature assembly and PCBA board electricity. The connection between the PCBA plate and the armature assembly (stator assembly) of this patent is not reasonable, and has the following disadvantages: 1. the PCBA board is connected through the conductive support, the conductive support is placed in a conductive support placing area, then three conductive connecting rods penetrate through a mounting hole portion and a heat dissipation seat of each conductive connecting rod, one end of each conductive connecting rod is welded on the PCBA board, the other end of each conductive connecting rod is welded on the middle phase ring, and the conductive support is not fixed and only limited by the conductive connecting rods, so that the conductive support is possibly loosened; 2. the sealing performance of the fixing mode is poor, the conductive connecting rod needs to penetrate through the mounting part of the conductive support and the heat dissipation seat, and the heat dissipation seat is provided with the sealing clamping sleeve with elastic deformation, so that the conductive connecting rod can conveniently penetrate through the heat dissipation seat and can have a sealing effect; 3. the prior PCBA board and the armature are also connected through a middle phase ring, three metal protection hooks are uniformly clamped on the middle phase ring, each metal protection hook is provided with two wire harness hook parts and a connecting hook part, the connecting hook part is used for being connected with a conductive connecting rod,

the phase ring of the outer rotor motor has the following defects in the use process: 1. therefore, the wiring harnesses of the stator winding are required to be uniformly distributed to the two corresponding wiring harness hook portions during winding at each time, each wiring harness hook portion can be wound with the wiring harnesses, the wiring harnesses can also be thickened when the power is increased, and the wiring harnesses can be crossed when the hook portions are clamped and welded, so that the outer insulating skin of the wiring harnesses, which is possibly wrapped in the inner portions of the wiring harness hook portions, is not damaged during clamping and welding, and is not electrically connected with other wiring harnesses, and the wiring of an armature assembly can be wrong and cannot work normally; 2. after the wire harness is clamped and welded, the wire harness is required to be conducted through the conductive connecting rod, the conductive connecting rod is required to be connected with the PCBA by the conductive support when the conductive connecting rod is installed, the conductive connecting rod can be prevented from being in contact with other metal pieces to cause short circuit so as to affect normal work, the conductive connecting rod is required to be connected in a soldering mode, the operation process is troublesome, and the accuracy of soldering is required to be guaranteed; 3. when the metal protection hook is installed, the metal protection hook is provided with the embedded pin, so that the intermediate phase ring is required to be provided with an embedded hole correspondingly accommodating the embedded pin, the accuracy required for manufacturing the intermediate phase ring is greatly increased, and the manufacturing cost is increased; 4. the number of assemblies required to be installed is too many, the assemblies need to be manufactured separately, each assembly needs to be matched with the other assembly for use, the precision requirement is high, and the manufacturing and production efficiency is not ideal.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the utility model provides a connection structure of motor PCBA board and stator module, this connection structure can make PCBA board and stator module more convenient connection, can also guarantee better sealing performance simultaneously.

In order to solve the technical problem, the technical scheme of the utility model is that: a connecting structure of a PCBA plate and a stator component of a motor comprises a phase ring and a conductive connecting seat, the heat dissipation base of the motor is provided with a connecting seat installation area, the conductive connecting seat is fixed in the connecting seat installation area, the bottom of the conductive connecting seat is in sealing fit with the heat dissipation base, the conductive connecting seat is provided with an enclosing cavity, the end surface of the enclosing cavity is provided with a sealing ring mounting groove, three through holes are arranged in the enclosed cavity on the heat dissipation base, the phase ring is fixed on a stator core of the stator component, the phase ring comprises a phase ring body made of insulating materials, a first conductive insert, a second conductive insert and a third conductive insert which are independent from each other are embedded in the phase ring body, the first conductive insert is provided with a first conductive connecting rod and a first winding hook, the second conductive insert is provided with a second conductive connecting rod and a second winding hook, the third conductive insert is provided with a third conductive connecting rod and a third wire winding hook, the first conductive connecting rod, the second conductive connecting rod and the third conductive connecting rod respectively penetrate through the through hole, the first, second and third winding hooks are used for connecting with the wire harnesses of the three stator windings of the stator assembly, a hole sealing structure for sealing the through hole is arranged in the surrounding cavity, a first conducting strip, a second conducting strip and a third conducting strip are embedded in the conducting connecting seat, one end of each of the first conducting strip, the second conducting strip and the third conducting strip extends into the enclosed cavity and is provided with a sleeve hook, the sleeve hooks on the first conducting strip, the second conducting strip and the third conducting strip are sleeved on the first conducting connecting rod, the second conducting connecting rod and the third conducting connecting rod in a one-to-one correspondence manner and are welded and fixed, and the other ends of the first conducting plate, the second conducting plate and the third conducting plate are respectively welded with three phase electric pins of the PCBA.

As a preferable scheme, the mounting area of the connecting seat is provided with a mounting sinking groove, the enclosure cavity corresponds to the mounting sinking groove, the through hole is located in the mounting sinking groove, and the hole sealing structure is arranged in the mounting sinking groove.

As a preferred scheme, the hole sealing structure comprises a sealing plate arranged in an installation sinking groove, three one-to-one embedding grooves are formed in the sealing plate, sealing nests are formed in the through holes, a sealing convex strip matched with the bottom of the installation sinking groove in a sealing mode is arranged on the surface of the sealing plate, a sealing pressing plate is arranged above the sealing plate, a pressing portion used for pressing the sealing pressing plate and the sealing plate is arranged on the enclosing cavity, a penetrating hole allowing the sealing nests to penetrate conveniently is formed in the sealing pressing plate, and the first conductive connecting rod, the second conductive connecting rod and the third conductive connecting rod penetrate through the sealing nests and are in sealing fit with the sealing nests.

As a preferable scheme, the sealing ribs include an outer ring sealing rib and an inner ring sealing rib, the outer ring sealing rib is arranged on the periphery of the sealing plate, and the number of the inner ring sealing ribs is at least three and respectively surrounds the corresponding sealing nests.

As a preferred scheme, a positioning structure which is convenient for positioning the conductive connecting seats is arranged on the connecting seat mounting area of the heat dissipation base and between the conductive connecting seats.

As a preferred scheme, the positioning structure includes a positioning groove or a positioning hole disposed on the conductive connecting seat, and correspondingly, a positioning protrusion corresponding to the positioning groove or the positioning hole is disposed on the connecting seat mounting region of the heat dissipation base.

As a preferred scheme, a surrounding edge is arranged on the heat dissipation base, the surrounding edge defines the connecting seat mounting area, and a circle of peripheral sealing groove for mounting a sealing ring is arranged on the connecting seat mounting area.

As a preferable scheme, the first conductive insert includes four first conductive rings, the first winding hooks are circumferentially and uniformly distributed on the periphery of the first conductive ring, and the first conductive connecting rod is also connected to the periphery of the first conductive ring; the second conductive insert comprises four second conductive rings, the second winding hooks are circumferentially and uniformly distributed on the periphery of the second conductive rings, and the second conductive connecting rod is also connected to the periphery of the second conductive rings; the third conductive insert comprises four third conductive rings, the third winding hooks are uniformly distributed on the periphery of the third conductive rings in a circumferential manner, and the third conductive connecting rod is also connected to the periphery of the third conductive rings; the first conducting ring, the second conducting ring and the third conducting ring are concentrically arranged and are mutually overlapped, and all the first winding hooks, the second winding hooks and the third winding hooks are uniformly and circumferentially distributed.

Preferably, the hook grooves of the circumferences of all the first winding hook, the second winding hook and the third winding hook are on the same plane.

As a preferable scheme, the first conductive ring, the second conductive ring and the third conductive ring are respectively provided with an inner protrusion protruding inwards and an outer protrusion protruding outwards, the peripheries of the first conductive ring, the second conductive ring and the third conductive ring are respectively provided with a plurality of positioning notches, and the positioning notches on each conductive ring are arranged at equal intervals together with the corresponding four winding hooks.

After the technical scheme is adopted, the utility model discloses an effect is: compared with the prior art, the connecting structure has the following advantages: 1. because the heat dissipation base of the motor is provided with the connecting seat installation area, the conductive connecting seat is fixed in the connecting seat installation area, the bottom of the conductive connecting seat is in sealed fit with the heat dissipation base, the conductive connecting seat is provided with the enclosure cavity, the end surface of the enclosure cavity is provided with the sealing ring installation groove, the first conductive sheet, the second conductive sheet, the third conductive sheet, the first conductive connecting rod, the second conductive connecting rod and the third conductive connecting rod are welded and fixed in the enclosure cavity, the bottom of the conductive connecting seat is fixed and in sealed fit with the heat dissipation base, and the end surface of the enclosure cavity is provided with the sealing ring installation groove, the front side and the back side of the whole enclosure cavity are sealed, the sealing effect is good, and the PCBA board is better isolated from the outside; in addition, the conductive connecting seat is fixed on the heat dissipation base, so that the conductive connecting seat is not easy to shake, and the looseness of a welding point is avoided; 2. because the phase ring comprises a phase ring body made of insulating materials, a first conductive insert, a second conductive insert and a third conductive insert which are mutually independent are embedded in the phase ring body, the first conductive insert is provided with a first conductive connecting rod and a first winding hook, the second conductive insert is provided with a second conductive connecting rod and a second winding hook, the third conductive insert is provided with a third conductive connecting rod and a third wire winding hook, the first conductive connecting rod, the second conductive connecting rod and the third conductive connecting rod respectively penetrate through the through hole, the first winding hook, the second winding hook and the third winding hook are used for being connected with the wiring harnesses of the three stator windings of the stator assembly, a hole sealing structure for sealing the through hole is arranged in the surrounding cavity, a first conducting strip, a second conducting strip and a third conducting strip are embedded in the conducting connecting seat, one end of each of the first conducting strip, the second conducting strip and the third conducting strip extends into the enclosed cavity and is provided with a sleeve hook, the sleeve hooks on the first conducting strip, the second conducting strip and the third conducting strip are sleeved on the first conducting connecting rod, the second conducting connecting rod and the third conducting connecting rod in a one-to-one correspondence manner and are welded and fixed, the other ends of the first conducting plate, the second conducting plate and the third conducting plate are respectively welded with three phase electric pins of the PCBA board, therefore, the phase ring has a very reasonable structure, three independent first conductive inserts, a second conductive insert and a third conductive insert are embedded into the phase ring body, and set up electrically conductive connecting rod and wire winding hook respectively, need not to assemble at the later stage like this, only need fix the hole at stator core with the looks ring body, this moment individual electrically conductive connecting rod will insert in the sleeve hook that corresponds the conducting strip to convenient welding, this connection structure whole equipment is simple swift more.

And because the mounting sunken groove is arranged in the mounting area of the connecting seat, the enclosure cavity corresponds to the mounting sunken groove, the through hole is positioned in the mounting sunken groove, and the hole sealing structure is arranged in the mounting sunken groove, the mounting sunken groove is used for protection to a certain extent, and even if water permeates, the water can be prevented from flowing into the mounting sunken groove and the outside of the enclosure cavity.

The hole sealing structure comprises a sealing plate arranged in an installation sinking groove, three sealing nests which are correspondingly embedded into the through holes one by one are arranged on the sealing plate, a sealing convex strip which is in sealing fit with the bottom of the installation sinking groove is arranged on the plate surface of the sealing plate, a sealing pressing plate is arranged above the sealing plate, a pressing part which presses the sealing pressing plate and the sealing plate is arranged on the enclosure cavity, a through hole which is convenient for the sealing nests to pass through is arranged on the sealing pressing plate, the first conductive connecting rod, the second conductive connecting rod and the third conductive connecting rod penetrate through the sealing nests and are in sealing fit with the sealing nests, the sealing effect of the hole sealing structure is very good, firstly, the sealing nests can be embedded into the through holes, the sealing of the three conductive connecting rods is realized by the sealing nests, the through holes can be sealed, secondly, the sealing convex strips on the sealing plate are in extrusion sealing fit with the bottom of the installation sinking groove, so that the sealing is carried out again, the gaps between the through holes and the sealing nests are easy to lose effectiveness, and the sealing nests are easy to pass through the sealing nests, and the sealing reliability is improved.

And because the sealing convex strips comprise outer ring sealing convex strips and inner ring sealing convex strips, the outer ring sealing convex strips are arranged on the periphery of the sealing plate, and the number of the inner ring sealing convex strips is at least three and respectively surrounds the corresponding sealing nests, an annular sealing structure can be formed by the inner ring sealing convex strips, so that water is in the area of the inner ring sealing convex strips, the water seepage is avoided, and the isolation of the PCBA is effectively protected.

And a positioning structure which is convenient for positioning the conductive connecting seats is arranged on the connecting seat mounting area of the heat dissipation base and between the conductive connecting seats. The positioning structure comprises a positioning groove or a positioning hole which is arranged on the conductive connecting seat, correspondingly, and a positioning bulge corresponding to the positioning groove or the positioning hole is arranged on the connecting seat mounting area of the heat dissipation base, so that the conductive connecting seat can be conveniently mounted through the positioning bulge and the positioning groove or the positioning hole, and the position accuracy is ensured.

And because the heat dissipation base is provided with the surrounding edge which forms the connecting seat mounting area, the connecting seat mounting area is provided with a circle of peripheral sealing groove for mounting the sealing ring, and the peripheral sealing groove can be used for placing the sealing ring, so that the reliable sealing between the conductive connecting seat and the heat dissipation base is facilitated.

The first conductive insert comprises four first conductive rings, the first winding hooks are uniformly distributed on the periphery of the first conductive rings in a circumferential manner, and the first conductive connecting rod is also connected to the periphery of the first conductive rings; the second conductive insert comprises four second conductive rings, the second winding hooks are circumferentially and uniformly distributed on the periphery of the second conductive rings, and the second conductive connecting rod is also connected to the periphery of the second conductive rings; the third conductive insert comprises four third conductive rings, the third winding hooks are uniformly distributed on the periphery of the third conductive rings in a circumferential manner, and the third conductive connecting rod is also connected to the periphery of the third conductive rings; the first conducting ring, the second conducting ring and the third conducting ring are concentrically arranged and are mutually superposed, all the first winding hooks, the second winding hooks and the third winding hooks are uniformly and circumferentially arranged, the first conducting ring, the second conducting ring and the third conducting ring are embedded into the phase ring body, then the phase ring body is fixedly arranged in a stator core through a mounting structure, a wire harness on each stator winding is wound on the corresponding metal protection hook, then the metal protection hooks are subjected to clamping welding, the wound wire harness is broken into skins to form effective connection, and finally the first conducting plate, the second conducting plate and the third conducting plate on the conducting connecting seat are connected through the first conducting connecting rod, the second conducting connecting rod and the third conducting connecting rod.

And because all the hook grooves on the circumferences of the first winding hook, the second winding hook and the third winding hook are positioned on the same plane, and because the stator winding is also positioned on the same plane, the metal protection hook is inconvenient to wind the wire harness due to the difference of the height of the metal protection hook, so that the hook grooves of the metal protection hook and the stator winding are positioned on the same plane and are convenient to connect, and the clamping welding operation is also convenient to carry out on the same plane.

And because the first conducting ring, the second conducting ring and the third conducting ring are respectively provided with an inner bulge which protrudes inwards and an outer bulge which protrudes outwards, the peripheries of the first conducting ring, the second conducting ring and the third conducting ring are respectively provided with a plurality of positioning notches, and the positioning notches on each conducting ring and the corresponding four winding hooks are arranged at equal intervals. Therefore, the positions of the first conducting ring, the second conducting ring and the third conducting ring in the phase ring body can be further limited through the inner protrusion and the outer protrusion, and the situation that the use is influenced due to displacement is avoided. And utilize the location breach can make things convenient for three first conducting ring, second conducting ring and third conducting ring when stacking, only one metal protective hook on a erector, and the accuracy aligns between location breach and the metal protective hook, can accelerate greatly like this that the equipment speed is just accurate.

Drawings

The following further describes the present invention with reference to the drawings and examples.

Fig. 1 is a perspective view of a motor according to an embodiment of the present invention with a rear cover hidden;

FIG. 2 is a perspective view of a heat sink base;

FIG. 3 is a cut-away perspective view of a heat sink base and phase ring;

fig. 4 is a perspective view of the conductive connecting seat, the first conductive plate, the second conductive plate and the third conductive plate;

FIG. 5 is a front perspective view of the seal plate;

FIG. 6 is a rear perspective view of the seal plate;

FIG. 7 is a rear perspective view of the sealing platen;

fig. 8 is a perspective view of a phase ring;

fig. 9 is a perspective view of the phase ring with the phase ring body concealed;

FIG. 10 is a schematic view of the installation of a phase ring and stator assembly;

in the drawings: 1. a heat dissipation base; 101. a connecting seat mounting area; 102. installing a sink tank; 103. a through hole; 104. surrounding edges; 105. a peripheral seal groove; 106. positioning the projection; 2. PCBA board; 3. a conductive connecting seat; 301. an enclosure; 302. positioning holes; 303. a sealing ring mounting groove; 304. a pressing part; 305. connecting lugs; 4. a third conductive sheet; 5. a second conductive sheet; 6. a first conductive sheet; 7. sleeving a hook; 8. a sealing plate; 801. sealing and nesting; 802. sealing convex strips on the inner ring; 803. sealing convex strips on the outer ring; 9. sealing the pressure plate; 901. passing through the aperture; 902. a groove; 10. a phase loop; 1001. a phase ring body; 1002. a first conductive ring; 1003. a second conductive ring; 1004. a third conductive ring; 1005. a first conductive link; 1006. a second conductive link; 1007. a third conductive link; 1008. a first winding hook; 1009. a second winding hook; 1010. a third winding hook; 1011. an inner bulge; 1012. an outer protrusion; 1013. positioning the notch; 11. a rear cover 11; 12. a stator assembly; 1201. stator winding: 1202. a stator core is provided.

Detailed Description

The present invention will be described in further detail with reference to the following examples.

As shown in fig. 1 to 10, a connection structure of a PCBA board 2 and a stator assembly 12 of a motor, wherein the motor comprises a heat dissipation base 1, a central shaft is fixed on the front surface of the heat dissipation base 1, wherein the side where the stator assembly 12 is installed is defined as the front surface, and the corresponding side is defined as the side. The stator component 12 is fixed on the front face of the heat dissipation base 1, the stator component 12 comprises a stator core 1202 and a stator winding 1201, the rotor component is installed on the central shaft, the PCBA board 2 and the rear cover 11 are installed on the back face of the heat dissipation base 1, and the rear cover 11 and the heat dissipation base 1 are sealed by glue.

As shown in fig. 1 and 4, the connection structure includes a phase ring 10 and a conductive connection seat 3, a connection seat mounting region 101 is disposed on the heat dissipation base 1 of the motor, the conductive connection seat 3 is made of an insulating material, the conductive connection seat 3 is fixed in the connection seat mounting region 101, and the bottom of the conductive connection seat 3 is in sealing fit with the heat dissipation base 1; be provided with on the electrically conductive connecting seat 3 and enclose chamber 301, the terminal surface that encloses chamber 301 is provided with sealing washer mounting groove 303, be provided with the location structure that makes things convenient for electrically conductive connecting seat 3 location on the connecting seat installation region 101 of heat dissipation base 1 and between the electrically conductive connecting seat 3. The positioning structure includes a positioning groove or a positioning hole 302 disposed on the conductive connecting seat 3, and correspondingly, a positioning protrusion 106 corresponding to the positioning groove or the positioning hole 302 is disposed on the connecting seat mounting region 101 of the heat dissipation base 1. And the conductive connecting seat 3 is provided with a connecting lug 305, the connecting lug 305 is provided with a screw, and the screw can be detachably fixed with the heat dissipation base 1. The embedding has first conducting strip 6, second conducting strip 5 and third conducting strip 4 on the electrically conductive connecting seat 3, the one end of first conducting strip 6, second conducting strip 5 and third conducting strip 4 all stretches into and encloses the chamber 301 in and all is provided with hitch 7, the other end of first conducting strip 6, second conducting strip 5 and third conducting strip 4 welds with the three looks electricity pin of PCBA board 2 respectively. The heat dissipation base 1 is provided with a surrounding edge 104, the surrounding edge 104 surrounds the connecting seat mounting region 101, a circle of peripheral sealing groove 105 for mounting a sealing ring is arranged on the connecting seat mounting region 101, and the peripheral sealing groove 105 is used for facilitating gluing or sealing of the sealing ring between the conductive connecting seat 3 and the sealing base.

The heat dissipation base 1 is located in the enclosure cavity 301 and is provided with three through holes 103, the phase ring 10 is fixed on the stator core 1202 of the stator assembly 12, the phase ring 10 comprises a phase ring body 1001 made of an insulating material, a first conductive insert, a second conductive insert and a third conductive insert which are mutually independent are embedded in the phase ring body 1001, a first conductive connecting rod 1005 and a first winding hook 1008 are arranged on the first conductive insert, a second conductive connecting rod 1006 and a second winding hook 1009 are arranged on the second conductive insert, a third conductive connecting rod 1007 and a third winding hook 1010 are arranged on the third conductive insert, the first conductive connecting rod 1005, the second conductive connecting rod 1006 and the third conductive connecting rod 1007 penetrate through the through holes 103 respectively, the first winding hook 1008, the second winding hook 1008 and the third winding hook 1010 are used for being connected with three stator windings 1201 of the stator assembly 12, a hole sealing structure for sealing the through holes 103 is arranged in the enclosure cavity 301, and the conductive connecting rods 1006, the conductive connecting rods 1007, the conductive connecting rods 1006, 1007 and the third winding hooks 1009 and the conductive connecting rod 1007 are fixedly welded on the first conductive connecting rod 1006, the first conductive connecting rod 1009, the second conductive rod 1007 and the third winding hook 7 on the first conductive connecting rod 6, the second harness 5 and the third harness 4.

Adopt above-mentioned structure can be more convenient carry out the subassembly and connect, wherein, looks ring 10 fixes earlier in stator core 1202's hole to first electrically conductive connecting rod 1005, second electrically conductive connecting rod 1006 and third electrically conductive connecting rod 1007 all pass from through-hole 103, then place electrically conductive connecting seat 3 at connecting seat installation area 101, utilize location structure location back, corresponding hitch 7 will overlap at the electrically conductive connecting rod afterbody that corresponds, and, the other end of first conducting strip 6, second conducting strip 5 and third conducting strip 4 also overlaps respectively on the three looks electricity pin of PCBA board 2, and the assembly is compared background art, unusual convenience and accuracy, and utilize the bounding box to surround through-hole 103, and the leakproofness is better.

As shown in fig. 2 and 3, the connecting socket mounting region 101 is provided with a mounting sunken groove 102, the enclosure 301 corresponds to the mounting sunken groove 102, the through hole 103 is located in the mounting sunken groove 102, and the hole sealing structure is disposed in the mounting sunken groove 102. The hole sealing structure comprises a sealing plate 8 arranged in an installation sinking groove 102, three sealing nests 801 embedded into the through holes 103 in a one-to-one correspondence mode are arranged on the sealing plate 8, a sealing convex strip in sealing fit with the groove bottom of the installation sinking groove 102 is arranged on the plate surface of the sealing plate 8, a sealing pressure plate 9 is arranged above the sealing plate 8, a pressing portion 304 for pressing the sealing pressure plate 9 and the sealing plate 8 is arranged on the surrounding cavity 301, a through hole 901 convenient for the sealing nests 801 to penetrate is formed in the sealing pressure plate 9, and the first conductive connecting rod 1005, the second conductive connecting rod 1006 and the third conductive connecting rod 1007 all penetrate through the sealing nests 801 and are in sealing fit with the sealing nests 801. As shown in fig. 3, fig. 3 is a cross-sectional perspective view of the heat dissipation base 1 and the conductive connection socket 3, and a gray surface in the figure is a cross section thereof. In this embodiment, as shown in fig. 5 and 6, the two figures disclose the structure of the sealing plate 8, wherein the sealing ribs on the front surface of the sealing plate 8 include an outer ring sealing rib 803 and an inner ring sealing rib 802, the outer ring sealing rib 803 is disposed on the outer periphery of the sealing plate 8, and the number of the inner ring sealing ribs 802 is at least three and respectively surrounds the corresponding sealing nest 801. Thus, the gap between the seal nest 801 and the through hole 103 is located in the inner ring seal rib 802, so that at least one seal area is further formed, and the sealing effect is improved. As shown in fig. 7, fig. 7 discloses a structure of a sealing pressure plate 9, a plurality of grooves 902 are provided on the back surface of the sealing pressure plate 9, and a pair of through holes 901 are uniformly and correspondingly provided in the grooves 902, so that a certain protection can be formed by the grooves 902.

8-10, the first conductive insert comprises a first conductive ring 1002, the first winding hooks 1008 are four in number and are circumferentially distributed around the periphery of the first conductive ring 1002, and the first conductive link 1005 is also connected to the periphery of the first conductive ring 1002; the second conductive insert comprises a second conductive ring 1003, the number of the second winding hooks 1009 is four, the second winding hooks 1009 are evenly distributed on the periphery of the second conductive ring 1003, and the second conductive link 1006 is also connected to the periphery of the second conductive ring 1003; the third conductive insert comprises a third conductive ring 1004, the number of the third winding hooks 1010 is four, the third winding hooks 1010 are circumferentially and uniformly distributed on the periphery of the third conductive ring 1004, and the third conductive link 1007 is also connected to the periphery of the third conductive ring 1004; the first conductive ring 1002, the second conductive ring 1003 and the third conductive ring 1004 are concentrically arranged and stacked on each other, and all of the first winding hook 1008, the second winding hook 1009 and the third winding hook 1010 are circumferentially and uniformly distributed. Wherein all the hook slots of the first 1008, second 1009 and third 1010 winding hooks are in the same plane. The first conductive ring 1002, the second conductive ring 1003 and the third conductive ring 1004 are respectively provided with an inner protrusion 1011 protruding inwards and an outer protrusion 1012 protruding outwards, the peripheries of the first conductive ring 1002, the second conductive ring 1003 and the third conductive ring 1004 are respectively provided with a plurality of positioning notches 1013, and the positioning notches 1013 on each conductive ring are arranged at equal intervals together with the corresponding four winding hooks. In the actual phase ring 10 forming process, superpose three conducting rings at concentric intervals, and utilize location breach 1013 to make the location convenient, make first wire winding hook 1008, second wire winding hook 1009 and third wire winding hook 1010 circumference equidistant arrangement, then behind injection moulding formation phase ring body 1001, first electrically conductive inserts, inside second electrically conductive inserts and the electrically conductive inserts of third just all imbedded the phase ring body 1001, it is very convenient to shape, and it is also very simple when assembling after the shaping, be provided with a plurality of inserted block 1001 on the phase ring body, it can accomplish in the jack that is used for inserting stator core 1202 inner hole wall mutually that the phase ring 10 is fixed, then just can make things convenient for stator winding 1201's pencil and three wire winding hook's wire winding to connect, whole assembling process compares prior art, efficiency is higher, sealing performance is better.

The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, which are not intended to limit the scope of the present invention, and various modifications and alterations made by the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention on the basis of not departing from the design spirit of the present invention.

Claims (10)

1. The utility model provides a connection structure of motor PCBA board and stator module which characterized in that: the connecting structure comprises a phase ring and a conductive connecting seat, a connecting seat mounting area is arranged on a heat dissipation base of the motor, the conductive connecting seat is fixed in the connecting seat mounting area, the bottom of the conductive connecting seat is in sealing fit with the heat dissipation base, the conductive connecting seat is provided with an enclosing cavity, the end surface of the enclosing cavity is provided with a sealing ring mounting groove, three through holes are arranged in the enclosed cavity on the heat dissipation base, the phase ring is fixed on a stator core of the stator component, the phase ring comprises a phase ring body made of insulating materials, a first conductive insert, a second conductive insert and a third conductive insert which are independent from each other are embedded in the phase ring body, the first conductive insert is provided with a first conductive connecting rod and a first winding hook, the second conductive insert is provided with a second conductive connecting rod and a second winding hook, the third conductive insert is provided with a third conductive connecting rod and a third wire winding hook, the first conductive connecting rod, the second conductive connecting rod and the third conductive connecting rod respectively penetrate through the through hole, the first winding hook, the second winding hook and the third winding hook are used for being connected with the wiring harnesses of the three stator windings of the stator assembly, a hole sealing structure for sealing the through hole is arranged in the surrounding cavity, a first conducting strip, a second conducting strip and a third conducting strip are embedded in the conducting connecting seat, one end of each of the first conducting strip, the second conducting strip and the third conducting strip extends into the enclosed cavity and is provided with a sleeve hook, the sleeve hooks on the first conducting strip, the second conducting strip and the third conducting strip are sleeved on the first conducting connecting rod, the second conducting connecting rod and the third conducting connecting rod in a one-to-one correspondence manner and are welded and fixed, and the other ends of the first conducting plate, the second conducting plate and the third conducting plate are respectively welded with three phase electric pins of the PCBA.

2. A motor PCBA plate to stator assembly connection structure as claimed in claim 1, wherein: the connecting seat mounting area is provided with a mounting sinking groove, the enclosure cavity corresponds to the mounting sinking groove, the through hole is located in the mounting sinking groove, and the hole sealing structure is arranged in the mounting sinking groove.

3. A motor PCBA plate to stator assembly connection structure as claimed in claim 2, wherein: the hole sealing structure comprises a sealing plate arranged in an installation sinking groove, wherein three one-to-one embedding parts are arranged on the sealing plate, a sealing nest is arranged in a through hole, a sealing convex strip matched with the groove bottom of the installation sinking groove in a sealing mode is arranged on the surface of the sealing plate, a sealing pressing plate is arranged above the sealing plate, a pressing part used for pressing the sealing pressing plate and the sealing plate is arranged on an enclosing cavity, a penetrating hole allowing the sealing nest to pass is formed in the sealing pressing plate conveniently, and a first conductive connecting rod, a second conductive connecting rod and a third conductive connecting rod are all penetrated through the sealing nest and matched with the sealing nest in a sealing mode.

4. A motor PCBA plate to stator assembly connection structure as claimed in claim 3, wherein: the sealing convex strips comprise outer ring sealing convex strips and inner ring sealing convex strips, the outer ring sealing convex strips are arranged on the periphery of the sealing plate, and the number of the inner ring sealing convex strips is at least three and respectively surrounds the corresponding sealing nests.

5. A motor PCBA plate to stator assembly connection structure as claimed in claim 1, wherein: and a positioning structure which is convenient for positioning the conductive connecting seats is arranged on the connecting seat mounting area of the heat dissipation base and between the conductive connecting seats.

6. A motor PCBA plate and stator assembly connection structure as claimed in claim 5, wherein: the positioning structure comprises a positioning groove or a positioning hole which is arranged on the conductive connecting seat, and correspondingly, a positioning bulge corresponding to the positioning groove or the positioning hole is arranged on the connecting seat installation area of the heat dissipation base.

7. A motor PCBA plate to stator assembly connection structure as claimed in claim 6, wherein: the heat dissipation base is provided with a surrounding edge, the surrounding edge surrounds the connecting seat mounting area, and a circle of peripheral sealing groove used for mounting a sealing ring is arranged on the connecting seat mounting area.

8. A motor PCBA plate to stator assembly connection structure as claimed in any one of claims 1 to 7, wherein: the first conductive insert comprises four first conductive rings, the first winding hooks are circumferentially and uniformly distributed on the periphery of the first conductive rings, and the first conductive connecting rod is also connected to the periphery of the first conductive rings; the second conductive insert comprises four second conductive rings, the second winding hooks are circumferentially and uniformly distributed on the periphery of the second conductive rings, and the second conductive connecting rod is also connected to the periphery of the second conductive rings; the third conductive insert comprises four third conductive rings, the third wire winding hooks are uniformly distributed on the periphery of the third conductive rings in a circumferential manner, and the third conductive connecting rod is also connected to the periphery of the third conductive rings; the first conducting ring, the second conducting ring and the third conducting ring are concentrically arranged and are mutually overlapped, and all the first winding hooks, the second winding hooks and the third winding hooks are uniformly and circumferentially distributed.

9. A motor PCBA plate to stator assembly connection structure as claimed in claim 8, wherein: the hook grooves on the circumferences of all the first winding hooks, the second winding hooks and the third winding hooks are positioned on the same plane.

10. A motor PCBA plate to stator assembly connection structure as claimed in claim 9, wherein: the first conducting ring, the second conducting ring and the third conducting ring are respectively provided with an inner bulge protruding inwards and an outer bulge protruding outwards, a plurality of positioning notches are arranged on the peripheries of the first conducting ring, the second conducting ring and the third conducting ring, and the positioning notches on each conducting ring are arranged at equal intervals together with the corresponding four winding hooks.

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