CN104300738B - Motor and controller assembly of integrated structure - Google Patents

Abstract

The invention provides a motor and controller assembly with an integrated structure, which comprises a motor shell, wherein the rear end of the motor shell is open and is internally provided with a cylindrical first cavity, a stator, a rotor and a motor shaft are arranged in the first cavity, the motor shell is respectively provided with a plurality of first threaded holes and a plurality of second threaded holes along the circumferential direction, the motor and controller assembly with the integrated structure is simple and compact in structure, the motor part and the controller part are arranged in a close manner, and the use amount of cables and plug-ins is reduced, so that the production cost is reduced, the production efficiency is improved, the cables are basically not exposed, the abrasion damage and the erosion of rainwater caused by the contact with a carriage are avoided, and the failure rate is reduced; when the mechanism of integral type makes motor or controller break down, unified the returning to the manufacture factory and maintains, the condition that the mistake was moved back can not appear, also great reduction manufacture factory's after-sale cost.

Description

The motor and controller assemblies of integrative-structure

Technical field

The present invention relates to motor and motor control technology field, more particularly to a kind of motor of integrative-structure and controller group Part.

Background technology

At present electric bicycle, motorcycle and drag-pull cart are used mostly DC brushless motor, the speed governing of DC brushless motor, Under-voltage protection, over current of motor protection, brake power-off, electricity show etc. that function needs to come in fact by Hall element and controller It is existing；Motor and controller in currently the majority electric motor car is arranged on the diverse location of car body, motor and control using separate type Need to be attached using longer cable and more plug-in unit between device, can not only improve production cost and reduce production effect Rate, and cable box plug-in unit exposes the corrosion being easily worn with water, causes the fault rate too high；One very real to ask Topic, due to being limited by objective condition and human factor, for the maintenance of electric motor car single, the breakdown judge that there is technological means Inaccurate problem, general electric motor car cannot normal work, general maintainer directly can change to motor and controller, Motor and controller are substantially and are produced by different manufacturers due to being separation design, and this will cause motor Or controller is moved back by mistake, this will necessarily cause certain loss to the manufacturer for being moved back by mistake；Move back by mistake and also result in manufacturer and obtain Less than the bad feedback information in correct market, it is impossible to effectively persistently improved；It is therefore desirable to the integrated electricity of design Machine and controller architecture, bad responsible party becomes definitely, returns goods and bad statistics becomes more accurate.

The content of the invention

The technical problem to be solved in the present invention is：The motor and controller used due to electric motor car in prior art be point From formula structure, the production cost that thus results in motor and controller is high, efficiency is low and easily causes the problem moved back by mistake, the present invention Solve the above problems with controller assemblies there is provided a kind of motor of integrative-structure.

The technical solution adopted for the present invention to solve the technical problems is：A kind of motor of integrative-structure and controller group Part, including：

Motor casing, the motor casing rear end is open and internal with the first cylindrical cavity, first cavity Stator, rotor and motor shaft are inside installed, the motor casing circumferentially offers respectively multiple first screwed holes and multiple second Screwed hole；

Rear end cap, rear end cap the plurality of first screwed hole of correspondence and multiple second screwed holes are circumferentially opened up respectively Have multiple first through hole and multiple second through holes, offer the first cable-through hole on the rear end cap, the rear end of the motor shaft from The front end face of the rear end cap is through to rear end face and is connected with magnet steel retainer plate；

Controller shell, the controller shell is open including rear end and the controller side that covered by front shroud of front end Cover, the front shroud is structure as a whole with the controller side cover, and the front shroud correspondence first cable-through hole offers the Two cable-through holes, the corresponding magnet steel retainer plate of the front shroud has magnet steel groove, the bottom land and back segment cell wall phase of the magnet steel groove It is raised backward for the rear end face of the front shroud, three Hull cells, the protecgulum are offered on the outer wall of the back segment cell wall The rear end face of plate has two Hall mounting posts near three Hull cell projections, is provided with suddenly in two Hall mounting posts That plate；

Tail-hood, the tail-hood lid is located at the rear end of the controller shell and forms the second cavity, institute with the controller shell State and control circuit is installed in the second cavity, the control circuit is fixedly connected with the controller shell；

Wherein, the plurality of first through hole of correspondence is provided with multiple first connecting poles on the outer wall of the controller side cover, The plurality of second through hole of correspondence is provided with multiple second connecting poles；First connecting pole offers third through-hole, and described The top of two connecting poles offers the 3rd screwed hole；The multiple third through-holes of correspondence offer multiple four-ways on the tail-hood Hole, multiple 3rd screwed holes of correspondence offer multiple fifth holes；

Multiple first screws, the quantity of the plurality of first screw is identical with the quantity of the plurality of first screwed hole, institute State the first screw and sequentially pass through and be screwed with first screwed hole after the fourth hole, third through-hole, first through hole, institute State first through hole, third through-hole consistent with the aperture of fourth hole；

Multiple second screws, the quantity of the plurality of second screw is identical with the quantity of the plurality of second screwed hole, institute State the second screw to be screwed with second screwed hole after second through hole；

Multiple 3rd screws, the quantity of the plurality of 3rd screw is identical with the quantity of the plurality of 3rd screwed hole, institute State the 3rd screw to be screwed with the 3rd screwed hole after the fifth hole.

Preferably, the motor casing includes motor side cover and lid is located at the drive end bearing bracket of the motor side cover front end, it is described Multiple first screwed holes and multiple second screwed holes are alternately uniformly distributed circumferentially at the edge of the drive end bearing bracket, the front end Lid offers between two parties the first installing hole, is provided with clutch shaft bearing in first installing hole, and the front end of the motor shaft is from described Stretch out in clutch shaft bearing and coaxially fix with the clutch shaft bearing.

Preferably, the plurality of first connecting pole of correspondence is provided with multiple 3rd connections on the outer wall of the motor side cover Post, the plurality of second connecting pole of correspondence is provided with multiple 4th connecting poles, and the 3rd connecting pole is offered and described first The 6th consistent through hole of the aperture of through hole, the 4th connecting pole offers seventh consistent with the aperture of second through hole and leads to Hole.

Preferably, the rear end cap offers between two parties the second installing hole, in second installing hole the second axle is provided with Hold, the rear end of the motor shaft is coaxially fixed with the second bearing.

Preferably, being fixed with three copper posts on the rear end face of the front shroud, the 4th screw thread is offered in the copper post Hole, the pcb board of the control circuit is screwed by three the 4th screws with three copper posts.

Preferably, the controller side cover is further opened with the first U-type groove at tail-hood, the tail-hood is near the control Device side cover processed goes out to offer the second U-type groove, and the first sealing ring is provided with first U-type groove, arranges in second U-type groove There is the second sealing ring, the control circuit is connected with the first plug and the second plug, and first plug and the second plug are distinguished It extend out to outside tail-hood from first sealing ring and the second sealing ring.

Preferably, being also equipped with temperature sensor in the motor casing, the temperature sensor is arranged on the stator Coil on, the temperature sensor is connected with the control circuit.

The invention has the beneficial effects as follows, the motor of this integrative-structure is simple for structure with controller assemblies compact, by motor Part and controller part reduce the usage amount of cable and plug-in unit against arranging, and so as to reduce production cost, improve production Efficiency, cable is substantially without exposed parts, it is to avoid the erosion with compartment wear damage and rainwater because of contact, reduces fault rate； When the mechanism of integral type causes motor or controller to break down, unification is retracted into manufacturer and is keeped in repair, and is not in Situation about moving back by mistake, also greatly reduces the after cost of manufacturer.

Description of the drawings

With reference to the accompanying drawings and examples the present invention is further described.

Fig. 1 is the explosive view of the motor with the optimum embodiment of controller assemblies of integrative-structure of the present invention.

Fig. 2 is the local exploded-view of the motor with controller assemblies of integrative-structure of the present invention.

Fig. 3 is the topology view of the motor with the motor side cover of controller assemblies of integrative-structure of the present invention.

Fig. 4 is the local exploded-view of the motor with controller assemblies of integrative-structure of the present invention.

Fig. 5 is the topology view of the motor with the rear end cap of controller assemblies of integrative-structure of the present invention.

Fig. 6 is the local exploded-view of the motor with controller assemblies of integrative-structure of the present invention.

1, drive end bearing bracket in figure, the 11, first screwed hole, the 12, second screwed hole, the 13, first installing hole, 2, motor side cover, 21, 3rd connecting pole, the 22, the 4th connecting pole, 3, rear end cap, the 31, second installing hole, 32 first through hole, the 33, second through hole, 34, One locating dowel, 4, front shroud, 41, magnet steel groove, the 42, second locating dowel, 5, controller side cover, the 51, first connecting pole, 52, second Connecting pole, 53, Hall mounting post, 54, Hull cell, the 55, first U-type groove, the 56, first sealing ring, 6, tail-hood, 61, fourth hole, 62 fifth holes, the 63, second U-type groove, the 64, second sealing ring, 7, motor shaft, 8, clutch shaft bearing, 9, second bearing, 100, first Screw, the 200, second screw, the 300, the 3rd screw, 400, magnet steel retainer plate, 500, circlip, 600, Hall Plate.

Specific embodiment

In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are simplified schematic diagram, only with The basic structure of the illustration explanation present invention, therefore it only shows the composition relevant with the present invention.

As shown in Fig. 1 ~ 6, the invention provides the motor and controller assemblies of a kind of integrative-structure, including：

Motor casing, motor casing includes that motor side cover 2 and lid are located at the drive end bearing bracket 1 of the front end of motor side cover 2, and drive end bearing bracket 1 is along week To offering three the first screwed holes 11 and three the second screwed holes 12, three the first screwed holes 11 and three the second screw threads respectively Hole 12 is alternately uniformly distributed circumferentially at the edge of drive end bearing bracket 1, and motor casing inside has the first cavity of cylinder, the first chamber Stator, rotor and motor shaft 7 are installed in vivo, drive end bearing bracket 1 offers between two parties the first installing hole 13, arrange in the first installing hole 13 Stretch out from clutch shaft bearing 8 and coaxial with clutch shaft bearing 8 fixed the front end for having clutch shaft bearing 8, motor shaft 7；In order to not affect electricity The thermal diffusivity of casing, the thickness of motor side cover 2 is as far as possible thin on the premise of structural strength and firmness is not affected, therefore motor side Three the first screwed holes 11 of correspondence are provided with three the 3rd connecting poles 21 on the outer wall of cover 2, and three the second screwed holes 12 of correspondence set Three the 4th connecting poles 22 are equipped with, the 3rd connecting pole 21 opens up the 6th through hole, and the 4th connecting pole 22 offers the 7th through hole；

Rear end cap 3, three the 6th through holes of correspondence of rear end cap 3 and three the 7th through holes circumferentially offer respectively three first Through hole 32 and three the second through holes 33, offer the first cable-through hole on rear end cap 3, there be and projection on the rear end face of rear end cap 3 The first hollow locating dowel 34 of one cable-through hole connection, rear end cap 3 offers between two parties the second installing hole 31, in the second installing hole 31 Second bearing 9 is provided with, the rear end of motor shaft 7 is coaxial with second bearing 9 fixed, cross section after the rear end milling flat of motor shaft 7 In D fonts, and magnet steel retainer plate 400 has the fixing hole of the corresponding D fonts in D fonts cross section, and the rear end of motor shaft 7 is from rear end The front end face of lid 3 be through to rear end face and carried out by the structure of D fonts with magnet steel retainer plate 400 it is circumferentially fixed, motor shaft 7 Rear end is further opened with annular slot, and by circlip 500 motor shaft 7 and the axial restraint of magnet steel retainer plate 400 are made；

Controller shell, controller shell is open including rear end and front end passes through the controller side cover 5 that front shroud 4 is covered, Front shroud 4 is structure as a whole with controller side cover 5, and the first cable-through hole of correspondence of front shroud 4 offers the second cable-through hole, front shroud 4 Front end face on projection have the second hollow locating dowel 42 connected with the second cable-through hole, the internal diameter and first of the second locating dowel 42 The external diameter of locating dowel 34 is consistent, and the corresponding magnet steel retainer plate 400 of front shroud 4 has magnet steel groove 41, fills with rear end cap 3 in front shroud 4 After fixation, magnet steel groove 41 is covered on magnet steel retainer plate 400, and the bottom land and back segment cell wall of magnet steel groove 41 is relative to front shroud 4 Rear end face is raised backward, and three Hull cells 54 are offered on the outer wall of back segment cell wall, and Hall element includes Hall Plate 600 and three The individual Hall element being welded in Hall Plate 600, the rear end face of front shroud 4 has two Hall peaces near three projections of Hull cell 54 Dress post 53, Hall Plate 600 is fixed by screws in Hall mounting post 53, while the packed part insertion three of three Hall elements In individual Hull cell 54, so as to when motor shaft 7 drives magnet steel retainer plate 400 to rotate, Hall element is able to detect that data；

Tail-hood 6, the lid of tail-hood 6 is located at the rear end of controller shell and forms the second cavity with controller shell, pacifies in the second cavity Equipped with control circuit, three copper posts are fixed with the rear end face of front shroud 4, the 4th screwed hole, control circuit are offered in copper post Pcb board be screwed by three the 4th screws and three copper posts；

Controller side cover 5 is further opened with the first U-type groove 55 at tail-hood 6, and tail-hood 6 goes out to open up near controller side cover 5 There is the second U-type groove 63, the first sealing ring 56 is provided with the first U-type groove 55, in the second U-type groove 63 the second sealing ring is provided with 64, control circuit is connected with the first plug and the second plug, and the first plug and the second plug are respectively from the first sealing ring 56 and Two sealing rings 64 are extend out to outside tail-hood 6；

Temperature sensor is also equipped with motor casing, temperature sensor is arranged on the coil of stator, temperature sensor with Control circuit connects, and electric motor car is in actual use, it is easy to overload, especially in the case of heavy duty, climbing, motor pole Easily overheated to burn, the ratio of current burn-down of electric motor greatly, reaches 5%-8%, and motor temperature is monitored by temperature sensor, When stall, overload cause motor temperature too high, by controller by electric signal, control gearbox downshift, motor is played The protective effect of effect and effective control gear, greatly reduce the ratio that motor overload burns；

Three first through hole 32 of correspondence are provided with three the first connecting poles 51, correspondence three on the outer wall of controller side cover 5 Second through hole 33 is provided with three the second connecting poles 52；First connecting pole 51 offers third through-hole, the second connecting pole 52 it is upper Portion offers the 3rd screwed hole；Three third through-holes of correspondence offer three fourth holes 61, three the 3rd spiral shells of correspondence on tail-hood 6 Pit offers three fifth holes 62；The aperture one of fourth hole 61, third through-hole, the through hole of first through hole 32 and the 6th Cause,

Motor casing carries out assembling fixation with controller shell especially by the following manner：

Three the first screws 100, the first screw 100 sequentially pass through fourth hole 61, third through-hole, first through hole 32 and It is screwed with the first screwed hole 11 after 6th through hole；

Three the second screws 200, the second screw 200 sequentially pass through after the second through hole 33 and the 7th through hole with the second screwed hole 12 are screwed, and the bottom of the first connecting pole 51 and the second connecting pole 52 faces forward projection both relative to the front end of front shroud 4, this Sample causes controller shell and rear end cap 3 after the completion of assembling to keep spacing, be leave space for mounting magnetic steel retainer plate 400 this A little parts, are also that, for ventilation and heat, the bottom of the second connecting pole 52 also has and determining that the nut of the second screw 200 matches Position groove；

Three the 3rd screws 300, the quantity of three the 3rd screws 300 is identical with the quantity of three the 3rd screwed holes, and the 3rd Screw 300 is screwed after fifth hole 62 with the 3rd screwed hole.

With the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete Entirely various change and modification can be carried out in the range of without departing from this invention technological thought.The technology of this invention Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.

Claims (5)

1. the motor and controller assemblies of a kind of integrative-structure, it is characterised in that：Including：

Motor casing, the motor casing rear end is open and internal the first cavity with cylinder, is pacified in first cavity Equipped with stator, rotor and motor shaft, the motor casing circumferentially offers respectively multiple first screwed holes and multiple second screw threads Hole；Temperature sensor is also equipped with the motor casing, the temperature sensor is arranged on the coil of the stator, the temperature Degree sensor is connected with the control circuit；

Rear end cap, rear end cap the plurality of first screwed hole of correspondence and multiple second screwed holes circumferentially offer respectively many Individual first through hole and multiple second through holes, offer the first cable-through hole on the rear end cap, the rear end of the motor shaft is from described The front end face of rear end cap is through to rear end face and is connected with magnet steel retainer plate；

Controller shell, the controller shell is open including rear end and the controller side cover that covered by front shroud of front end, institute State front shroud to be structure as a whole with the controller side cover, corresponding first cable-through hole of the front shroud offers second and crosses line Hole, the corresponding magnet steel retainer plate of the front shroud has magnet steel groove, and the bottom land and back segment cell wall of the magnet steel groove is relative to institute The rear end face for stating front shroud is raised backward, three Hull cells is offered on the outer wall of the back segment cell wall, after the front shroud End face has two Hall mounting posts near three Hull cell projections, and in two Hall mounting posts Hall Plate is provided with； The controller side cover is further opened with the first U-type groove at tail-hood, and the tail-hood is offered at the controller side cover Second U-type groove, is provided with the first sealing ring in first U-type groove, the second sealing ring, institute are provided with second U-type groove State control circuit and be connected with the first plug and the second plug, first plug and the second plug are respectively from first sealing ring It extend out to outside tail-hood with the second sealing ring；

Tail-hood, the tail-hood lid is located at the rear end of the controller shell and forms the second cavity with the controller shell, and described the Control circuit is installed, the control circuit is fixedly connected with the controller shell in two cavitys；

Wherein, the plurality of first through hole of correspondence is provided with multiple first connecting poles on the outer wall of the controller side cover, correspondence The plurality of second through hole is provided with multiple second connecting poles；First connecting pole offers third through-hole, and described second connects The top for connecing post offers the 3rd screwed hole；The multiple third through-holes of correspondence offer multiple fourth holes on the tail-hood, Multiple 3rd screwed holes of correspondence offer multiple fifth holes；

Multiple first screws, the quantity of the plurality of first screw is identical with the quantity of the plurality of first screwed hole, and described One screw sequentially passed through and be screwed with first screwed hole after the fourth hole, third through-hole, first through hole, and described One through hole, third through-hole are consistent with the aperture of fourth hole；

Multiple second screws, the quantity of the plurality of second screw is identical with the quantity of the plurality of second screwed hole, and described Two screws are screwed after second through hole with second screwed hole；

Multiple 3rd screws, the quantity of the plurality of 3rd screw is identical with the quantity of the plurality of 3rd screwed hole, and described Three screws are screwed after the fifth hole with the 3rd screwed hole.

2. the motor and controller assemblies of integrative-structure as claimed in claim 1, it is characterised in that：The motor casing includes electricity Pusher side cover and lid are located at the drive end bearing bracket of the motor side cover front end, and the plurality of first screwed hole and multiple second screwed holes replace Be uniformly distributed circumferentially at the edge of the drive end bearing bracket, the drive end bearing bracket offers between two parties the first installing hole, first peace Dress is provided with clutch shaft bearing in hole, and the front end of the motor shaft is stretched out and coaxial with the clutch shaft bearing from the clutch shaft bearing It is fixed.

3. the motor and controller assemblies of integrative-structure as claimed in claim 2, it is characterised in that：Outside the motor side cover The plurality of first connecting pole of correspondence is provided with multiple 3rd connecting poles on wall, and the plurality of second connecting pole of correspondence is provided with many Individual 4th connecting pole, the 3rd connecting pole offers sixth through hole consistent with the aperture of the first through hole, and the described 4th Connecting pole offers seventh through hole consistent with the aperture of second through hole.

4. the motor and controller assemblies of integrative-structure as claimed in claim 1, it is characterised in that：The rear end cap is opened between two parties The second installing hole is provided with, second bearing, the rear end of the motor shaft and the second bearing are provided with second installing hole It is coaxial fixed.

5. the motor and controller assemblies of integrative-structure as claimed in claim 1, it is characterised in that：The rear end of the front shroud Three copper posts are fixed with face, the 4th screwed hole is offered in the copper post, the pcb board of the control circuit passes through three the 4th Screw is screwed with three copper posts.