CN201138896Y

CN201138896Y - Housing construction of integral controller for electric vehicle

Info

Publication number: CN201138896Y
Application number: CNU2008200736104U
Authority: CN
Inventors: 孙润堂
Original assignee: Tianjin Sinosun Science & Technology Development Co Ltd
Current assignee: Tianjin Sinosun Science & Technology Development Co Ltd
Priority date: 2008-01-04
Filing date: 2008-01-04
Publication date: 2008-10-22
Anticipated expiration: 2018-01-04

Abstract

The utility model relates to an integrative shell structure of an electric vehicle controller. The shell consists of a frame-shaped shell and two side end covers, which are fixedly connected through a bolt; a circuit board that is arranged in the shell are embedded in an embedding groove that is arranged on the lower part of two sides of the shell; wherein, the top of the inner end of the shell is vertically provided with a bended slat that slants upwards from the middle part; the end face of the bended slat, which slants upwards, is provided with a bended elastic plate; the lower side of the bended elastic plate is extruded together with one end face of a field effect tube on the circuit board; an insulating board is embedded between the other end face of the field effect tube and the side of the inner end of the shell; and a metal cylinder is embedded between the bended elastic plate, the bended slat and the top surface of the inner end of the shell. The shell structure adopts the internally fixing method to steadily fix the circuit board in the shell, improves the radiating effect of the field effect tube, and has the characteristics of excellent sealing performance, and convenient installation and maintenance.

Description

Integral electric vehicle controller shell mechanism

Technical field

The utility model belongs to the controller for electric vehicle field, especially a kind of integral electric vehicle controller shell mechanism.

Background technology

The circuit board of controller for electric vehicle generally is installed in the square frame shape controller housing, and at present, the casing of electric vehicle controller on the market mainly contains tongue piece squash type and screw formula two class formations.Tongue piece squash type structure is fastened by drain pan and loam cake and forms, the tongue piece that is shaped on by loam cake the inner pushes field effect transistor, make field effect transistor be close to the drain pan side, thereby reach the effect of heat radiation, the problem of its existence is: 1. this structure is made of two parts up and down, steam can enter housing along the junction of upper and lower side, makes circuit board be attacked; 2. produce deformation owing to make the mould of section bar, cause the tongue piece of loam cake the inner to produce deformation, can produce the excessive or not enough phenomenon of pressure in extruding during field effect transistor, pressure is excessive to be caused the field effect transistor distortion easily even breaks, and insufficient pressure does not then reach better heat radiating effect; 3. because the structure of drain pan and loam cake is fixed, be subjected to the restriction of the thickness of field effect transistor, field effect transistor that can not the flexible adaptation different batches through regular meeting.The shell of screw formula structure is by being that a square frame shape integral body constitutes, circuit board at first by screw to a sheet metal, and then with sheet metal by screw to shell, to reach the effect of fixing circuit board and field effect transistor heat radiation, the problem that this structure exists is: 1. because perforate on shell, therefore the phenomenon that can occur seeping water makes circuit board be attacked; 2. owing to adopt screw fixation method, the installation procedure more complicated also can cause the difficulty of repair demolition simultaneously.Therefore, existing casing of electric vehicle controller have all that sealing is poor, problem such as installation and maintenance difficult.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of reasonable in design, favorable sealing property is provided and is convenient to the integral electric vehicle controller shell mechanism of I﹠M.

The utility model solves its technical problem and takes following technical scheme to realize:

A kind of integral electric vehicle controller shell mechanism, constitute by a square frame shape housing and two side end cap, housing and two side end caps are solidly installed by screw, the circuit board of being installed in the housing is inlaid in the made embedding slot of interior two side lower parts of housing, it is characterized in that: on the inner of housing, vertically vertically be shaped on one from the middle part acclivitous folding shape batten, on the end face that is inclined upwardly of folding shape batten, put a folding shape diving board, the lower end side of this folding shape diving board presses together with an end face that is installed in the field effect transistor on the circuit board, setting-in one insulating sheet material between the interior end side surface of the other end of this field effect transistor and housing is at folding shape diving board, setting-in one metal cylinder between above the inner of folding shape batten and housing.

And described folding shape diving board is made by spring steel plate.

And the lower end of described folding shape diving board is shaped on interval trough and a plurality of shell fragments of forming constitute.

And described shell fragment quantity is 2～10.

Advantage of the present utility model and beneficial effect are:

1. the folding shape batten that vertically is shaped at the inner upper surface of housing of this controller housing, this folding shape batten cooperates with folding shape diving board, metal cylinder the field effect transistor on the circuit board is pressed in the housing on the end side surface, thereby circuit board is stably fixed in the housing, because this housing is the internal fixation structure of whole block form, therefore, do not have perforate and junction around housing, its favorable sealing property has improved waterproof and anti-dust performance greatly.

2. this controller housing is fixed on circuit board in the housing by folding shape diving board extruding field effect transistor mode, because field effect transistor is close to metal shell, can play good heat-radiation effect.

3. this controller housing has used the bigger spring steel plate of deformation quantity as folding shape diving board, and, the lower end of folding shape diving board is made of a plurality of shell fragments, each shell fragment produces active force to each field effect transistor respectively, can adapt to like this owing to weld or field effect transistor self batch error that is caused, its accommodation is extensive.

4. this controller housing only uses a folding shape diving board and a metal cylinder circuit board can be fixed in the housing to circuit board and can produce the radiating effect of expection, has and installs and characteristics easy to maintenance.

5. the utility model adopts the internal fixation mode that circuit board is stably fixed in the housing, has improved the radiating effect of field effect transistor, has favorable sealing property, installation and characteristics easy to maintenance.

Description of drawings

Fig. 1 is a housing end view of the present utility model;

Fig. 2 is that the A-A of Fig. 1 is to cross-sectional view;

Fig. 3 is the structural representation of folding shape diving board;

Fig. 4 is housing one a side end face schematic diagram;

Fig. 5 is a housing opposite side end view.

Embodiment

Below in conjunction with accompanying drawing the utility model embodiment is further described:

This integral electric vehicle controller shell is connected and composed by a square frame shape housing 7 and two

side end cap

12,14, be respectively equipped with four screws 9 on four end angles at the two ends of this housing, two lateral ends cover with housing relative position place and also are respectively equipped with four

screws

13,15, two side end caps and housing can be solidly installed by screw, the middle part of one of them side end cap is provided with two circular holes 11 that are used for the cable turnover.

Be shaped on the embedding slot 1 of a pair of mounting circuit boards 8 in the inner two sides of housing, this circuit board can be inserted in the embedding slot along housing one side end face.On the inner of housing, vertically vertically be shaped on one from the middle part acclivitous folding shape batten 6, on the end face that is inclined upwardly of folding shape batten, put a folding shape diving board 4, this folding shape diving board is the spring steel plate that both ends of the surface are 90 degree, the lower end of this folding shape diving board is made of a plurality of shell fragments 10 that are shaped on the gap each other, quantity according to the actual field effect transistor of this circuit board, the quantity of shell fragment is set to 2～10, and in the present embodiment, the quantity of the shell fragment that folding shape shell fragment lower end is provided with is 6.Place, space setting-in one metal cylinder 5 that between the inner upper surface of folding shape diving board, folding shape batten and housing, is surrounded, this metal cylinder can be fixed on folding shape diving board on the folding shape batten tightly, a plurality of shell fragments of folding shape shell fragment lower end press together with an end face that is installed in the field effect transistor 3 on the circuit board, mount an insulating sheet material 2 between the interior end side surface of the other end of this field effect transistor and housing, this insulating sheet material plays the effect of insulation.Because folding shape diving board is 90 degree before use, when folding shape diving board be installed between folding shape batten and the field effect transistor and by metal cylinder fixing after, its knuckle diminishes, and therefore produces very big elastic force, can tightly field effect transistor be pressed on the side end face in the housing.

The utility model at first is inserted into circuit board in the embedding slot that is shaped on the two sides in the housing when mounted, and the field effect transistor on the circuit board is near on the side end face in the housing; The upper ends that to roll over the shape diving board then is on the surface of the part that is inclined upwardly of folding shape batten, each shell fragment of folding shape diving board lower end side is close on the surface of each field effect transistor, and another surface of field effect transistor is close on the side end face in the housing by insulating sheet material; Again metal cylinder is inserted in the place, space that is surrounded by between the inner upper surface of folding shape diving board, folding shape batten and housing, thereby circuit board is fixed in the housing; At last, two side end caps are solidly installed by screw, its installation method is very convenient.

Claims

1. integral electric vehicle controller shell mechanism, constitute by a square frame shape housing and two side end cap, housing and two side end caps are solidly installed by screw, the circuit board of being installed in the housing is inlaid in the made embedding slot of interior two side lower parts of housing, it is characterized in that: on the inner of housing, vertically vertically be shaped on one from the middle part acclivitous folding shape batten, on the end face that is inclined upwardly of folding shape batten, put a folding shape diving board, the lower end side of this folding shape diving board presses together with an end face that is installed in the field effect transistor on the circuit board, setting-in one insulating sheet material between the interior end side surface of the other end of this field effect transistor and housing is at folding shape diving board, setting-in one metal cylinder between above the inner of folding shape batten and housing.

2. integral electric vehicle controller shell mechanism according to claim 1 is characterized in that: described folding shape diving board is made by spring steel plate.

3. integral electric vehicle controller shell mechanism according to claim 1 and 2 is characterized in that: the lower end of described folding shape diving board is shaped on interval trough and a plurality of shell fragments of forming constitute.

4. integral electric vehicle controller shell mechanism according to claim 3 is characterized in that: described shell fragment quantity is 2～10.