CN106455373A

CN106455373A - Electric vehicle controller

Info

Publication number: CN106455373A
Application number: CN201610969994.7A
Authority: CN
Inventors: 杨鸣峰
Original assignee: Wuxi Kangbo Ruite Electronic Technology Co Ltd
Current assignee: Wuxi Kangbo Ruite Electronic Technology Co Ltd
Priority date: 2016-11-04
Filing date: 2016-11-04
Publication date: 2017-02-22

Abstract

The invention relates to an electric vehicle controller which comprises a controller shell and an internal circuit board, wherein a signal line wiring connector, large current wiring terminals and a power semiconductor device are arranged on the circuit board; the signal line wiring connector comprises a wiring connector socket and a pluggable wiring connector plug; the wiring connector socket and the large current wiring terminals are arranged at positions close to the front side of the circuit board; a wiring box which concaves downwards is arranged on the front side of the controller shell; through holes of which the shapes and sizes correspond to those of the wiring connector socket and the large current wiring terminals are formed in the bottom of the wiring box; the wiring connector socket and the upper parts of the large current wiring terminals respectively penetrate through corresponding through holes and are positioned inside the wiring box; the wiring box is covered by a wiring box cover plate; and the signal line wiring connector and the wires of the large current wiring terminals are all led out from a side surface of the controller shell. The electric vehicle controller is not only tidy and ordered in external wiring and is attractive and graceful, but also stable to operate and safe and reliable.

Description

A kind of controller for electric vehicle

Technical field

The present invention relates to the appurtenances of electric motor car, specifically a kind of controller for electric vehicle, belong to electric motor car design Technical field.

Background technology

Electric motor car (including two-wheeled, three-wheel, four-wheel electric motor car) controller is operated to controller to realize outside, is had More control signal wire.Meanwhile, in order to drive the power motor of electric motor car, need to connect powerful power line and motor phase Line.

The way of traditional connection control signal line and powerful power line or motor phase line is as follows：It is welded on wire On circuit board inside controller, then wire is drawn controller, outside controller in the way of line to line, by patching Part is docked in the air.This original simple connected mode, makes have substantial amounts of jointing outside controller, and layout is in disorder, Make troubles to installation, maintenance；Meanwhile, when controller is assembled, because numerous wires are inserted on circuit board one by one, need A large amount of artificial, automated production difficult to realize is expended, and wrong plug line is very easy to, cause product quality to reduce.

For solving the problems, such as above, in industry, a lot of producers are proposed the lead-out mode of another controller wire harness：Control Holding wire processed is welded direct to control Wiring connector socket on circuit board, powerful power line, electricity with plate to line mode Machine phase line is drawn with the high current binding post for welding on circuit boards or copper post.It is big that traditional conventional controller one is so changed Wire by the situation of aerial docking connection external equipment, substantially improve the in disorder situation of the layout outside controller；Simultaneously It is welded direct on circuit board with holding wire Wiring connector and high current binding post, saves a large amount of artificial, product quality A certain degree of raising is obtained.But some shortcomings are yet suffered from current improvement project：(1), control signal wire is drawn Holding wire Wiring connector simply simply stretches out shell, and one terminal adapter of line is inserted into welding plate one end, and it is simple fixed only to have done Position is processed, and is caused adapter to be easy to come loose in the operation vibrations of vehicle, is also easy to be unplugged by the line for hauling outside； (2), various wire harness are from controller Base top contact, and outward appearance entirety visual effect is not good, gives people a kind of simple and crude sensation, can also seem In disorder.(3), the waterproof of line one end is needed using expensive waterproof holding wire Wiring connector or the side using encapsulating Formula, and encapsulating both labor intensive and unsightly；(4), powerful power line and motor phase line are screwed, but exposed peace Dress, it is easy to short circuit, forms potential safety hazard, even if adding junction box cover plate, installs additional after also will become apparent from, not attractive in appearance enough.

Content of the invention

It is an object of the invention to overcoming the deficiencies in the prior art, a kind of controller for electric vehicle is provided, its structure Compact, reasonable in design, controller aerial lug can not only be made neatly orderly, elegant in appearance, and also it is more stable to work, and safer Reliable.

According to the technical scheme that the present invention is provided：A kind of controller for electric vehicle, including controller housing and circuit board, described Circuit board is in controller housing, and circuit board is provided with holding wire Wiring connector, high current binding post and power half Conductor device, the holding wire Wiring connector is used for connection control signal line, and the high current binding post is used for connecting electricity Source line or motor phase line；The holding wire Wiring connector includes that Wiring connector socket and pluggable Wiring connector are inserted Head, the Wiring connector socket and high current binding post are arranged at forward lateral location on circuit boards, corresponding, control The front side edge of device shell is provided with a rosette to lower recess, and the rosette bottom is provided with and Wiring connector socket and big electricity The corresponding through hole of stream binding post geomery, the top of Wiring connector socket and high current binding post is each passed through correspondence Through hole is simultaneously located in rosette, upper cover of connecting box junction box cover plate, the connecing of holding wire Wiring connector and high current binding post Line is all drawn from the side of controller housing.

As a further improvement on the present invention, the controller housing includes housing main body, is arranged on housing main body two ends End cap and the base plate installed in housing main body bottom, the housing main body top inner wall is provided with radiating contact surface and accommodating Chamber, the radiating contact surface and fit contact, the containing cavity and electricity corresponding with the power semiconductor position on circuit board Remaining electronic devices and components position on the plate of road in addition to holding wire Wiring connector, high current binding post and power semiconductor Put corresponding and gap is left, the anterior recessed part of the housing main body, described rosette is formed together with end cap；Described outer Shell body surfaces are provided with heat radiating fin structure.

As a further improvement on the present invention, the high current binding post includes insulator foot, and insulator foot is provided with Several installing holes, install in the hole and are installed with nut；Several are installed one-to-one with installing hole on insulator foot Conductive insert, the top of the conductive insert is provided with through hole corresponding with position of mounting hole, the pin of conductive insert and lower section electricity Road plate connection conducting.

As a further improvement on the present invention, with fastening screw, dismountable electricity is fixed with the high current binding post Wire terminal, high current binding post is provided with the dielectric separation frame for separating each power lug.

As a further improvement on the present invention, it is respectively installed with the Wiring connector socket and high current binding post Water proof ring, the water proof ring is pressed between rosette bottom and circuit board.

As a further improvement on the present invention, the holding wire Wiring connector side leaves crossed beam trunking, the crossed beam trunking Top is provided with securing cover plate, constitutes outlet threading passage between the securing cover plate and crossed beam trunking, is connected to Wiring connector and inserts Holding wire on head is passed from controller housing side via threading passage after bending downwards again from inside to outside.

As a further improvement on the present invention, on the junction box cover plate, the position of corresponding holding wire Wiring connector is provided with A piece of compression soft rubber cushion, the compression soft rubber cushion is used for covering the line outlet of compression Wiring connector plug.

As a further improvement on the present invention, above the power semiconductor, pressing plate is provided with, the pressing plate upper surface Thermally conductive insulating layer is provided with and the radiating contact surface of housing main body between；On the circuit board on the outside of power semiconductor Several big installation through-holes are provided with position, are respectively equipped with several with big installation through-hole one by one on the pressing plate, housing main body Coaxially corresponding little installation through-hole, screw hole, are provided with hollow T connector hold-down column, the T connector pressure in big installation through-hole The center in the hole of tight post is provided with housing pin, and the housing pin is threaded in the screw in the hole on housing main body, T connector The head inner surface of hold-down column compresses circuit board lower surface upwards, and the post end surface of T connector hold-down column withstands pressing plate following table upwards Face.

As a further improvement on the present invention, at least two adjacent T connector hold-down columns are connected as a single entity by connection strap.

The present invention compared with prior art, has the advantage that：

1st, the present invention makes control signal wire and powerful electricity by the matching design to controller junction box structure Source line or motor phase line are all unified to draw from a side of controller, then is covered with a junction box cover plate, makes controller Outward appearance more coordinate, can't see the joint of controller wire harness after covering junction box cover plate, both solved controller all the time The in disorder problem of industry wiring, turn avoid in prior art asking for " exposed installation, it is easy to short circuit, form potential safety hazard " Topic.

2nd, the deriving structure of control signal wire of the present invention is reasonable in design, and being designed to of threading passage farthest avoids Control signal wire is pulled out by the line of outside；Compression soft rubber cushion can serve the effect of shockproof, waterproof and dustproof, and reduction sets Standby manufacturing cost.

3rd, not only structural strength is high for the high current binding post in the present invention, it is not easy to damage, safe and reliable, and manufactures Cost also decreases.

4th, the present invention devises the structures of two kinds of compression power semiconductors, can make power semiconductor together with leading Heating platen is compacted to be abutted on controller housing, prevents to paste completely due to fabrication error individual power semiconductor device Close, this ensures that there radiating effect.

Description of the drawings

Fig. 1 is the stereochemical structure decomposing schematic representation of the embodiment of the present invention 1.

Fig. 2 is the stereochemical structure decomposing schematic representation of power supply terminal in Fig. 1.

Fig. 3 is the cross-sectional structure schematic diagram of the embodiment of the present invention 1.

Fig. 4 pulls down the perspective view after base plate for the embodiment of the present invention 1.

Fig. 5 is one of number of assembling steps schematic diagram of the embodiment of the present invention 1.

Fig. 6 is the two of the number of assembling steps schematic diagram of the embodiment of the present invention 1.

Fig. 7 is the three of the number of assembling steps schematic diagram of the embodiment of the present invention 1.

Fig. 8 is the four of the number of assembling steps schematic diagram of the embodiment of the present invention 1.

Fig. 9 is the five of the number of assembling steps schematic diagram of the embodiment of the present invention 1.

Figure 10 is the six of the number of assembling steps schematic diagram of the embodiment of the present invention 1.

Figure 11 is the seven of the number of assembling steps schematic diagram of the embodiment of the present invention 1.

Figure 12 is the eight of the number of assembling steps schematic diagram of the embodiment of the present invention 1.

Figure 13 is the cross-sectional structure schematic diagram of the embodiment of the present invention 2.

Figure 14 is 2 stereochemical structure decomposing schematic representation of the embodiment of the present invention.

Figure 15 is the scheme of installation of circuit board and pressing plate in Figure 13.

Figure 16 is the decomposing schematic representation of Figure 15.

Figure 17 is the structural representation of the T connector hold-down column in Figure 13 and connection strap.

Figure 18 is the structural representation of single T connector hold-down column.

Description of reference numerals：1- housing main body, 1a- rosette, 2- end cap, 3- holding wire Wiring connector, 3.1- wiring Connector body, 3.2- Wiring connector plug, 4- crossed beam trunking, 5- power lug, 6- power line or motor phase line, 7- control letter Number line, 8- securing cover plate, 9- compression soft rubber cushion, 10- junction box cover plate, 11- fixed screw, 12- dielectric separation frame, 13- fastening Screw, 14- trim, 15- circuit board, 16- high current binding post, 16.1- insulator foot, 16.2- nut, 16.3- conduction Inserted sheet, 17- water proof ring, 18- base plate, 19- support soft rubber cushion, 20- power semiconductor, 21- pressing plate, 22-T type head compression Post, 23- housing pin, 24- connection strap.

Specific embodiment

With reference to concrete drawings and Examples, the invention will be further described.

Embodiment 1

As shown in Figure 1, shown in Figure 5：Controller for electric vehicle in embodiment is mainly made up of controller housing and circuit board 15, institute Circuit board 15 is stated in controller housing, circuit board 15 is provided with holding wire Wiring connector 3, high current binding post 16 With power semiconductor 20, the holding wire Wiring connector 3 is for connection control signal line 7, the high current terminals Son 16 is used for connecting power line or motor phase line 6；The holding wire Wiring connector 3 includes Wiring connector socket 3.1 and can The Wiring connector plug 3.2 of plug, the Wiring connector socket 3.1 and high current binding post 16 are arranged on circuit board 15 At upper forward lateral location, the front side edge of the controller housing is provided with rosette 1a to lower recess, rosette 1a Bottom is provided with through hole corresponding with Wiring connector socket 3.1 and 16 geomery of high current binding post, the wiring connection The top of device socket 3.1 and high current binding post 16 is each passed through corresponding through hole and is located in rosette 1a, in rosette 1a Lid junction box cover plate 10, the wiring of holding wire Wiring connector 3 and high current binding post 16 is all from the side of controller housing Face is drawn.

As shown in Fig. 1～Figure 12, in the present embodiment, the controller housing is mainly by housing main body 1, installed in shell master The end cap 2 at 1 two ends of body and the base plate 18 installed in 1 bottom of housing main body constitute, and 1 top inner wall of the housing main body is provided with scattered Thermal interface 1b and containing cavity 1c, the radiating contact surface 1b are corresponding simultaneously with 20 position of power semiconductor on circuit board 15 Laminating contact, removes holding wire Wiring connector 3, high current binding post 16 and power half on the containing cavity 1c and circuit board 15 Remaining electronic devices and components position outside conductor device 20 corresponds to and leaves gap；The anterior recessed part of the housing main body 1, Described rosette 1a is formed together with end cap 2；1 surface of the housing main body is provided with heat radiating fin structure, and the end cap 2 is provided with Hollow out louvre 2a.In figure, the fixed screw 11 of the end cap 2 is fixedly mounted on 1 two ends of housing main body, uses on housing main body 1 It is provided on the reinforcement of housing main body 1 in the hole for installing fixed screw 11, is so conducive to improving the structure of housing main body 1 Intensity.The base plate 18 is arranged on 1 bottom of housing main body with snap fit, so dismantles more convenient.

By being designed using above-mentioned rosette 1a, control signal wire 7 and powerful power line or motor phase line 6 are connected Afterwards, junction box cover plate 10 is covered, controller outward appearance can be made to become a regular entirety.In rosette 1a, control signal Line 7 is drawn by holding wire Wiring connector 3 in the way of plate to line, and powerful power line or motor phase line 6 are with being fixed on High current binding post 16 on circuit board 15 is drawn, and changes a lot wires of traditional conventional controller and passes through in the air in succession The situation of external equipment is connect, so that the in disorder situation of the layout outside controller is improved further；Holding wire Wiring connector 3 and big electricity Stream binding post 16 is welded direct on circuit board 15, is saved in a large number manually, and product matter is improved.

As shown in Fig. 1～Figure 12, in the present embodiment, the high current binding post 16 is main by insulator foot 16.1, spiral shell Mother 16.2 and conductive insert 16.3 constitute, and the insulator foot 16.1 is made using the bakelite material of insulation, insulator foot 16.1 Several installing holes are provided with, in the hole are installed and are installed with nut 16.2；Several are installed with peace on insulator foot 16.1 The one-to-one conductive insert 16.3 in dress hole, the top of the conductive insert 16.3 is provided with through hole corresponding with position of mounting hole, The pin of conductive insert 16.3 is connected conducting with circuit board 15.

As shown in Fig. 1～Figure 12, in the present embodiment, being fixed with fastening screw 13 on the high current binding post 16 can The power lug 5 of dismounting, the power lug 5 is used for connecting power line or motor phase line 6, and high current binding post 16 is provided with For the dielectric separation frame 12 for separating each power lug 5.

Conventional high current binding post 16 has plenty of using thick binding post, its processed complex, material cost height.? Have plenty of and directly conductive insert 16.3 is arranged on circuit board 15, but in order that conductive insert 16.3 can install fastening spiral shell Silk 13, the top of conductive insert 16.3 needs to thicken and opens up screw again, and not only structural strength is not high for such structure, is easily damaged Cause open circuit, and manufacturing cost is also higher.

As shown in Fig. 1～Figure 12, in the present embodiment, on the Wiring connector socket 3.1 and high current binding post 16 Water proof ring 17 is respectively installed with, the water proof ring 17 is pressed between rosette 1a bottom and circuit board 15.Can so make The water that must pour in controller rosette 1a will not be from the gap on Wiring connector socket 3.1 and 16 side of high current binding post Enter circuit board 15, it is ensured that equipment safety.

As shown in Fig. 1～Figure 12, in the present embodiment, 3 side of holding wire Wiring connector leaves crossed beam trunking 4, described 4 top of crossed beam trunking is provided with securing cover plate 8, constitutes outlet threading passage, be connected to and connect between the securing cover plate 8 and crossed beam trunking 4 Control signal wire 7 on wiring connector plug 3.2 is passed from inside to outside from threading passage after bending inwardly downward.

The present invention by installing a securing cover plate 8 additional, can make controller external action in control signal wire 7 external force not Can directly act on holding wire Wiring connector 3, farthest avoid control signal wire 7 and easily pulled out by the line of outside The problem that falls.In actual applications, it is reduces cost, the securing cover plate 8 can also.

As shown in Fig. 1～Figure 12, in the present embodiment, corresponding holding wire Wiring connector 3 on the junction box cover plate 10 Position is pasted with a piece of compression soft rubber cushion 9, and after junction box cover plate 10 is covered, the compression soft rubber cushion 9 is just pushed down covering and connect The line outlet of wiring connector plug 3.2, Wiring connector plug 3.2 is compressed tightly against on Wiring connector socket 3.1, is solved Holding wire Wiring connector 3 causes the problem of loose contact because of vibrations in vehicle operation.Further, since compression flexible glue Pad 9 covers the line outlet of Wiring connector plug 3.2, along with the covering of junction box cover plate 10, equivalent to connecing to holding wire Wiring connector 3 has stamped umbrella, serves anti-water drenching, splash-proof and dust-proof effect, saves in prior art and use encapsulating mode The technique of waterproof, makes cheap non-water-proof connector also play a part of expensive water-proof connector.

As shown in Fig. 1～Figure 12, in the present embodiment, on the Wiring connector socket 3.1 and high current binding post 16 It is furnished with trim 14, effect attractive in appearance can either be so played, can also plays certain firm control signal wire 7 and power line Or the effect of motor phase line 6.In actual applications, it is reduces cost, the trim 14 and securing cover plate 8 can not also Will.

As the power semiconductor 20 on circuit board 15 has inevitable specification difference aborning, when When having discrepant power semiconductor 20 and being commonly mounted on circuit board 15, Partial Power semiconductor device 20 and controller Can not fit completely between shell contact, thus radiating effect can be affected, be that this problem is solved, the present embodiment is in the circuit Support soft rubber cushion 19 (as shown in Figure 3, Figure 4) is provided between 15 bottom surface of plate and the base plate 18 of controller housing, and the support is soft The natural thickness of rubber cushion 19 supports shape and set location and the circuit board of soft rubber cushion 19 more than circuit board 15 and 18 spacing of base plate Power semiconductor 20 on 15 is corresponded to.Soft rubber cushion 19 is supported by arranging, after base plate 18 are loaded onto, the pressure of base plate 18 is made Using in support soft rubber cushion 19, supports soft rubber cushion 19 pressure to be transmitted by circuit board 15 and be pressed on power semiconductor 20, make Power semiconductor 20 is compacted to be abutted on controller housing, this ensures that theres radiating effect.

As shown in Figure 3, Figure 4, in the present embodiment, it is fixed to be provided with corresponding support 19 lateral location of soft rubber cushion on the base plate 18 Position post 18a, 19 side of support soft rubber cushion is provided with the locating notch for matching with locating dowel 18a, the locating dowel 18a is embedded in the locating notch；The locating dowel 18a upper end is higher by support 19 top surface of soft rubber cushion, sets on the circuit board 15 There is location hole corresponding with locating dowel 18a, the positioning in the hole is inserted in the locating dowel 18a upper end.

As shown in Figure 3, Figure 4, in the present embodiment, 20 top of the power semiconductor is provided with pressing plate 21, the pressing plate Thermally conductive insulating layer is provided between 21 upper surfaces and radiating contact surface 1b.

The concrete assembling process of the embodiment of the present invention 1 is as follows：

1st, the installation of circuit board 15：As shown in figure 5,1. water proof ring 17 is enclosed within downwards Wiring connector by arrow first inserting On seat 3.1 and high current binding post 16, the circuit board 15 that has then 2. tested welding upwards by arrow is installed to controller On shell.

2nd, the installation of base plate 18：As shown in fig. 6,3. 18 back side edge of base plate is inserted into housing main body 1 from one end by arrow In the draw-in groove of rear bottom side edge, 4. 18 front side edge of base plate is rotated up after putting in place by insertion by arrow, makes 18 front side edge of base plate Fastening with 1 bottom front side edge of housing main body.

3rd, the assembling of the built-in gadget of rosette 1a：As shown in fig. 7,5. dielectric separation frame 12 is buckled downwards by arrow first, Then trim 14 6. being buckled downwards by arrow, then 7. from both sides, end cap 2 is attached to housing main body 1 with fixed screw 11 by arrow On, the state for assembling is as shown in Figure 8.

4th, connection control signal line 7 and power line or motor phase line 6：As shown in figure 9, be connected to control signal wire 7 connecing Wiring connector plug 3.2, is then inserted into Wiring connector plug 3.2 in Wiring connector socket 3.1；By each power line or Motor phase line 6 is connected to corresponding power lug 5, then with fastening screw 13, power lug 5 is fixed on high current terminals On son 16.

5th, securing cover plate 8 is installed：As shown in figure 9, arrange control signal wire 7 being put into 3.1 side of Wiring connector socket In crossed beam trunking 4, then securing cover plate 8 is 8. covered downwards by arrow, the securing cover plate 8 of in figure is to be fixed on decoration with buckle structure On lid 14, in actual applications, the securing cover plate 8 can also be screwed, the mounted state such as Figure 10 of securing cover plate 8 Shown.

6th, junction box cover plate 10 is installed：As shown in figure 11,9. upwards compression soft rubber cushion 9 is pasted wiring by arrow first On lid plate 10 and then 10. downwards junction box cover plate 10 is installed in place by arrow, the mounted state of junction box cover plate 10 is as schemed Shown in 12, whole controller is completed.

Embodiment 2

The present embodiment 2 compresses the different of mode from the power semiconductor 20 that differs only in of embodiment 1, in embodiment In 2, power semiconductor 20 is to implement compression by being combined by T connector hold-down column 22, housing pin 23 and connection strap 24, No longer arrange and support soft rubber cushion 19.

As shown in figure 13, in example 2, on the circuit board 15 at the position in 20 outside of power semiconductor Several big installation through-hole 15a are provided with, and several are respectively equipped with the pressing plate 21, housing main body 1 with big installation through-hole 15a mono- One coaxially corresponding little installation through-hole 21a, screw hole, is provided with hollow T connector hold-down column 22 in big installation through-hole 15a, The center in the hole of the T connector hold-down column 22 is provided with housing pin 23, and the housing pin 23 is threaded in housing main body 1 On screw in the hole, the head inner surface of T connector hold-down column 22 compresses 15 lower surface of circuit board upwards, T connector hold-down column 22 Post end surface withstands 21 lower surface of pressing plate upwards.

As shown in Figure 14, Figure 17, in the present embodiment 2, whole T connector hold-down columns 22 are connected as a single entity by connection strap 24, Can be with easy disassembly.But in actual production, T connector hold-down column 22 can also be the single form of Fig. 6.The pressing plate 21 is excellent Choosing adopts aluminium base.1 surface of the housing main body is preferably provided with heat radiating fin structure.

Claims

1. a kind of controller for electric vehicle, including controller housing and circuit board (15), circuit board (15) is arranged on controller housing Interior, circuit board (15) is provided with holding wire Wiring connector (3), high current binding post (16) and power semiconductor (20), described holding wire Wiring connector (3) for connection control signal line (7), high current binding post (16) are used for Connection power line or motor phase line (6)；It is characterized in that：Described holding wire Wiring connector (3) include Wiring connector socket And pluggable Wiring connector plug (3.2), Wiring connector socket (3.1) and high current binding post (3.1) (16) it is arranged at the upper forward lateral location of circuit board (15), corresponding, the front side edge of controller housing is provided with one to lower recess Rosette (1a), rosette (1a) bottom is provided with and Wiring connector socket (3.1) and high current binding post (16) The corresponding through hole of geomery, the top of Wiring connector socket (3.1) and high current binding post (16) is each passed through correspondence Through hole is simultaneously located in rosette (1a), the upper lid junction box cover plate (10) of rosette (1a), holding wire Wiring connector (3) and greatly electricity The wiring of stream binding post (16) is all drawn from the side of controller housing.

2. controller for electric vehicle as claimed in claim 1, it is characterised in that：The controller housing include housing main body (1), End cap (2) installed in housing main body (1) two ends and the base plate (18) installed in housing main body (1) bottom, the housing main body (1) top inner wall is provided with radiating contact surface (1b) and containing cavity (1c), on radiating contact surface (1b) and circuit board (15) Power semiconductor (20) position correspond to and fit contact, except holding wire connects on containing cavity (1c) and circuit board (15) Remaining electronic devices and components position pair outside wiring connector (3), high current binding post (16) and power semiconductor (20) And gap should be left, housing main body (1) anterior recessed part, described rosette (1a) is formed together with end cap (2)； Housing main body (1) surface is provided with heat radiating fin structure.

3. controller for electric vehicle as claimed in claim 1, it is characterised in that：Described high current binding post (16) include insulation Base (16.1), insulator foot (16.1) is provided with several installing holes, installs in the hole and is installed with nut (16.2)；Insulator foot (16.1) several and the one-to-one conductive insert of installing hole (16.3), the top of conductive insert (16.3) are installed on Through hole corresponding with position of mounting hole is provided with, the pin of conductive insert (16.3) is connected conducting with lower circuit board (15).

4. controller for electric vehicle as claimed in claim 1, it is characterised in that：Described high current binding post (16) are upper with fastening Screw (13) is fixing dismountable power lug (5), and high current binding post (16) is provided with for dividing each power lug (5) The dielectric separation frame (12) for separating.

5. controller for electric vehicle as claimed in claim 1, it is characterised in that：Wiring connector socket (3.1) and big electricity Water proof ring (17) is respectively installed with stream binding post (16), water proof ring (17) are pressed in rosette (1a) bottom and electricity Between road plate (15).

6. controller for electric vehicle as claimed in claim 1, it is characterised in that：Holding wire Wiring connector (3) side is stayed There is crossed beam trunking (4), above crossed beam trunking (4), be provided with securing cover plate (8), structure between securing cover plate (8) and crossed beam trunking (4) Become outlet threading passage, be connected to after the holding wire on Wiring connector plug (3.2) is bent downwards again via threading passage certainly Pass from controller housing side from inside to outside.

7. controller for electric vehicle as claimed in claim 1, it is characterised in that：Described junction box cover plate (10) upper corresponding holding wire The position of Wiring connector (3) is provided with a piece of compression soft rubber cushion (9), and compression soft rubber cushion (9) is used for covering compression wiring even Connect the line outlet of device plug (3.2).

8. controller for electric vehicle as claimed in claim 1, it is characterised in that：Circuit board (15) bottom surface and controller housing Base plate (18) between be provided with support soft rubber cushion (19), described support soft rubber cushion (19) natural thickness more than circuit board (15) with Base plate (18) spacing, supports the shape of soft rubber cushion (19) and the power semiconductor (20) on set location and circuit board (15) Corresponding, all power semiconductors (20) are fitted with radiating contact surface (1b) compression of controller housing.

9. controller for electric vehicle as claimed in claim 1, it is characterised in that：It is provided with above power semiconductor (20) Pressing plate (21), is provided with thermally conductive insulating layer between pressing plate (21) upper surface and the radiating contact surface (1a) of housing main body (1)；Institute Stating on circuit board (15) several big installation through-hole (15a), institute is provided with the position on the outside of power semiconductor (20) State pressing plate (21), be respectively equipped with housing main body (1) several with big installation through-hole (15a) one by one coaxially corresponding little install logical Hole (21a), screw hole, are provided with hollow T connector hold-down column (22), the T connector hold-down column in big installation through-hole (15a) (22) center in the hole is provided with housing pin (23), and housing pin (23) are threaded in the spiral shell on housing main body (1) Silk in the hole, the head inner surface of T connector hold-down column (22) compresses circuit board (15) lower surface upwards, T connector hold-down column (22) Post end surface withstands pressing plate (21) lower surface upwards.

10. controller for electric vehicle as claimed in claim 9, it is characterised in that：At least two adjacent T connector hold-down columns (22) It is connected as a single entity by connection strap (24).