CN201123189Y

CN201123189Y - Controller for electric vehicle

Info

Publication number: CN201123189Y
Application number: CNU2007200984010U
Authority: CN
Inventors: 孔昭松
Original assignee: SONGZHENG ELECTRONICS CO Ltd TIANJIN CITY
Current assignee: SONGZHENG ELECTRONICS CO Ltd TIANJIN CITY
Priority date: 2007-12-11
Filing date: 2007-12-11
Publication date: 2008-09-24
Anticipated expiration: 2017-12-11

Abstract

The utility model discloses a control equipment of the electric vehicle, which aims to provide an electric vehicle controller which has good sealing performance, convenient maintenance and simple process and can improve the production efficiency. The electric vehicle controller of the utility model comprises an outer casing with an integral type cavity structure, a circuit board and an end cover, the inner cavity of the outer casing is provided with a pressing strip for fixing a power tube on the circuit board, a groove is arranged on the lateral surface of the pressing strip, jagged upper thread and lower thread are arranged on the upper surface and the lower surface of the groove, and the pressing strip is connected with the outer casing through a tightening piece with a thread structure. The electric vehicle controller of the utility model has the advantages of better sealing waterproof performance, simple installation, good heat radiation and good shock resistant performance, which is the updating product of the prior electric vehicle controller.

Description

Controller for electric vehicle

Technical field

The utility model belongs to a kind of equipment of electric automobiles, is a kind of electric motor car control appliance more specifically.

Background technology

At present, electric motor car comprises electric bicycle, electro-tricycle, battery-operated motor cycle etc., and controller need have good waterproof, shockproof, heat dispersion as the control maincenter part of electric motor car.If poor sealing, the controller for electric vehicle water inlet makes the components and parts short circuit of circuit board malfunctioning; If radiating effect is bad, the circuit board long-term work, temperature raise to surpass the peak of components and parts, and components and parts damage, thereby cause controller work undesired and even operate malfunctioning.

Modal controller for electric vehicle is following several on the market:

One, shell is divided into loam cake and drain pan two parts, and these two parts connect by the buckle spiral-lock, because the buckle place leaves the space, aqueous vapor is easy to enter in the cavity at circuit board place by this space, makes the components and parts short circuit of circuit board malfunctioning; Even smear one deck waterproof material at the buckle place, because the limitation of waterproof material water resistance is added when smearing, be subjected to the influence of operating personnel's level of skill, coating layer thickness is inhomogeneous, influences sealing effectiveness; Because the thermal conductivity of waterproof coating is bad, between loam cake and drain pan, reduced the effect of heat radiation simultaneously, made loam cake and drain pan can not form the radiator of a circulation.

Two, shell is all-in-one-piece controller, power tube is connected with the strip press strip by screw, simultaneously also on press strip and the punching of the correspondence position of shell side, with screw press strip and shell are coupled together, because the screw hole between press strip and the shell is controller inner chamber and extraneous directly perforation, can bring the defective of screw hole infiltration like this, thereby cause controller for electric vehicle to damage; Need simultaneously respectively to get the hole that is connected with power tube, to get the hole that is connected with shell at press strip, also having needs housing side punching outside, so complex procedures, (12 power tubes of particularly powerful controller needs punch like this and to tighten the operation of screw very loaded down with trivial details) is unfavorable for enhancing productivity.Moreover, the punching of the correspondence position of on the press strip and shell side needs very high precision, and the size in hole and mutual position relation must be mated very much, otherwise can not accurately locate, and cause installing failure.

In a word, the effect that can not well reach not only waterproof but also heat conduction of controller for electric vehicle of the prior art, and also technology difficulty is bigger, and these problems all are the more scabrous technical problems of controller for electric vehicle technical field.The shortcoming of the controller for electric vehicle of prior art is as follows:

1. shell is made of loam cake and drain pan two parts, and the space is left in the junction, causes poor sealing, easily water inlet.

2. radiating effect is bad, and the poor thermal conductivity of the waterproof coating of loam cake and drain pan two part junctions influences the heat radiation circulation of loam cake and drain pan, thereby the radiating effect of shell is had a greatly reduced quality.

3. because the consistency that power tube is installed can not guarantee that power tube can not closely be contacted with loam cake, and the heat of power tube just can not pass preferably, thereby can not reach better radiating effect.

4. power tube need be screwed press strip, need beat at least 3 hole on the aluminum strip of shell and correspondence simultaneously, with screw shell closely is connected with press strip afterwards, and complex procedures is loaded down with trivial details, and production efficiency is lower.

5. there is the screw hole that connects housing and press strip can bring the defective of infiltration.

6. the correspondence position of on the press strip and shell side punching needs very high precision, and the size in hole and mutual position relation must be mated very much, otherwise can not accurately locate, and cause and can not correctly install.

The utility model content

The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of water-tight performance good, install firm, technology is simple, help the controller for electric vehicle of power tube heat radiation.

The technical problem that the utility model solves takes following technical scheme to realize: a kind of controller for electric vehicle, the shell, circuit board and the end cap that comprise the integral type cavity structure, described shell inner cavity is provided with the press strip that is used for fixing power tube on the described circuit board, the side of described press strip is provided with groove, the upper surface of described groove, lower surface are provided with jagged screw thread and the following screw thread gone up, and described press strip is connected with described shell by the securing member that is threaded structure.

Technical solutions of the utility model can also comprise: described press strip opposite side also is provided with deep trouth, places the power tube on the described circuit board in the described deep trouth; The two ends of described groove are sealed; Described deep trouth is provided with the Ka Tai that is used to locate power tube on the described circuit board near the side of described groove; Also be provided with the strip wedge between the power tube on described deep trouth and the described circuit board; The cross section of described strip wedge be shaped as a kind of in " 7 type ", " del type ", " T type " or " fall trapezoidal type ".

Technical solutions of the utility model can also comprise: described press strip opposite side also is provided with the pressing plate that is used to be fixed, and described pressing plate is provided with screw hole, and described pressing plate is connected with described press strip by screw.

Technical solutions of the utility model can also comprise: described power tube is connected with described press strip by screw.

The utility model compared with prior art has significant advantage and beneficial effect, is embodied in the following aspects:

1. shell adopts the integral type cavity structure, and the infiltration in gap had both been avoided in the gap when having avoided spiral-lock to connect, and has guaranteed the good result of circulation heat radiation again.

2. a side end cap of shell is designed to double-deck hollow out formula and embeds installation, end cap is embedded in the card that has the strip gap, make the electric wire of circuit board fixing more firm, refill the decoration enclosing cover of a hollow in the outside of card, between card and enclosing cover, pour into adhesive, thereby better guaranteed the water-tight of controller.

3. the wedge shape object of strip can make power tube contact more closely with shell at the active force that lozenges produces, and guarantees area of dissipation, and has improved the vibration resistance of power tube.

4. only need a simple wedge shape object, both constant power pipes that can be very firm, operation is few, and has saved production cost, has improved production efficiency.

5. technology is simple, has saved the operation of punching, tapping on press strip, and cost does not increase yet.

6. hole with matching location accuracy requires to have reduced on press strip and the shell, can increase work efficiency.

7. do not had the direct screw hole that connects on press strip and the shell, avoided the defective of infiltration.

Description of drawings

Fig. 1 is a generalized section of the present utility model;

Fig. 2 is the schematic perspective view of strip wedge of the present utility model;

Fig. 3 is the schematic diagram that press strip of the present utility model and securing member cooperate;

Fig. 4 is the schematic diagram of the another kind of embodiment of press strip of the present utility model and securing member cooperation;

Fig. 5 is the generalized section of another embodiment of the present utility model

Fig. 6 is a schematic perspective view of the present utility model;

Embodiment

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

Shown in Fig. 1-6, the 1st, shell, the 2nd, power tube, the 3rd, circuit board, the 4th, fin, the 5th, screw hole, the 6th, press strip, the 61st, deep trouth, screw thread on 62, the 63rd, following screw thread, the 64th, groove, the 7th, strip wedge, the 8th, end cap, the 9th, Ka Tai, the 10th, securing member, the 11st, screw, the 12nd, pressing plate.

Controller for electric vehicle of the present utility model, the shell 1, circuit board 3 and the end cap 8 that comprise the integral type cavity structure, described shell 1 inner chamber is provided with the press strip 6 that is used for fixing power tube 2 on the described circuit board 3, the side of described press strip 6 is provided with groove 64, the upper surface of described groove 64, lower surface are provided with jagged screw thread 62 and the following screw thread 63 gone up, and described press strip 6 is connected with described shell 1 by the securing member 10 that is threaded structure.

Technical solutions of the utility model can also comprise: described press strip 1 opposite side also is provided with deep trouth 61, places the power tube 2 on the described circuit board 3 in the described deep trouth 61.The two ends of described groove 64 are sealed.Described deep trouth 61 is provided with the card platform 9 that is used to locate power tube 2 on the described circuit board 3 near the side of described groove 64.Also be provided with strip wedge 7 between the power tube 2 on described deep trouth 61 and the described circuit board 3.The cross section of described strip wedge 7 be shaped as a kind of in " 7 type ", " del type ", " T type " or " fall trapezoidal type ";

Technical solutions of the utility model can also comprise: described power tube 2 is connected with described press strip 6 by screw 11.

Referring to Fig. 1-Fig. 6, controller for electric vehicle of the present utility model, described shell 1 is global design, becomes the cavity structure of a no end cap, because the infiltration in gap has been avoided in the gap when not had spiral-lock to connect, has guaranteed the good result that circulation is dispelled the heat again; Simultaneously, described end cap 8 is installed, is tightened at screw hole 5 places with screw between described end cap 8 and the described shell 1 in both sides, easy to operate, simplified technology, because the installing port of screw hole 5 is outwardly, avoided from the defective of screw hole 5 infiltrations.

Be placed with press strip 6 in the inner chamber of shell 1, press strip 6 into strips, one side of press strip 6 is provided with groove 64, the upper surface of groove 64 and lower surface are provided with screw thread 62, (upward screw thread 62, following screw thread 63 are seen engrail from profile direction to following screw thread 63, along axially seeing of press strip 6, become several rows of parallel dentation), last screw thread 62, following screw thread 63 can match with the securing member 10 that is threaded structure, the upper surface of groove 64 is parallel with lower surface, and purpose is 64 securing member 10 can be screwed in smoothly.Why to be arranged to one and have the up and down groove 64 of zigzag screw thread, be because can avoid on press strip 6 punching like this time must and shell 1 on the hole accurate positioning, if not, two holes can not accurate positioning, and securing member can not be screwed in; Perhaps can barely screw in, but the excesssive gap of hole and securing member 10 causes this place to infilter aqueous vapor, makes circuit board damage.Saved the operation of punching on press strip simultaneously, it is simple that technology is set like this, and cost does not increase yet.

Of particular note: it is (as shown in Figure 3) of groove shape that groove 64 can be arranged to, and promptly groove 64 both ends of the surface that reach press strip 6 have last screw thread 62, screw thread 63 down, mean that like this securing member 10 can screw in the two end faces of press strip 6; Certainly groove 64 also can be arranged to (being that groove 64 is not a groove that penetrates into the both ends of the surface of press strip 6) that two ends are sealings, as shown in Figure 4, such benefit is that securing member 10 screws in the middle part of press strip 6, if the gap at securing member 10 infilters aqueous vapor, can because groove 64 be not the former of groove thereby enter zone less than circuit board 3.Thereby reduce because the probability of malfunction that infiltration causes.

The another side of press strip 6 is provided with

deep trouth

61,61 one-tenth " n " shapes of deep trouth or inverted " L ", " J ", " V " shape, the radiating surface of power tube 2 is attached on the side of deep trouth 61, be provided with strip wedge 7 between the another side of power tube 2 and deep trouth 61, strip wedge 7 gap between the side of power tube 2 and deep trouth 61 easily walks downward.Strip wedge 7 is up big and down small, and under the effect of gravity or external force, strip wedge 7 can walk downward along aforesaid gap, up to tightening power tube 2 fully, power tube 2 is closely contacted with the side of deep trouth 61, realize from press strip 6 again to the heat radiation of shell 1, thereby reach better radiating effect.

Moreover, the side of press strip 6 is provided with the card platform 9 that is used to locate power tube 2, the lower surface that card platform 9 can be held power tube 2 from below, and under the effect of strip wedge 7, power tube 2 can be attached on the side wall surface of shell 1 very steadily.Help to strengthen the stability of power tube 2 like this, thereby guaranteed the anti-vibration resistance of the utility model integral body.

Need specify: the shape of strip wedge 7 is up big and down small, match with the side of deep trouth 61 and the gap between the power tube 2, its shape can be in " 7 type ", " del type ", " the T type " or " trapezoidal " one or more, guarantee that it realizes under action of gravity or under external force gliding, and more and more tight, thereby chucking power tube 2 gets final product.

Referring to Fig. 5, the cutaway view of another embodiment of the present utility model promptly is not adopt groove shape press strip and strip wedge 7, and press strip is arranged to tabular, with screw 11 power tube 2 is connected with press strip 6, certainly, also can use pressing plate 12, a pressing plate is used for fixing two or more power tubes exactly, with screw 11 power tube 2 is connected with pressing plate 12 again, under the fixation of pressing plate 12, power tube 2 is closely contacted with press strip, the good technical effect reaches and dispels the heat.

Referring to Fig. 1, Fig. 6, assembling process of the present utility model is:

Earlier press strip 6 is put into the cavity of the utility model shell 1, usefulness securing member 10 is connected shell 1 and is fixing with press strip 6 again, will put into the cavity of the utility model shell 1 at circuit board 3 again, and power tube 2 is contacted with the side of the deep trouth 61 of press strip 6; Again strip wedge 7 is put into the deep trouth 61 of press strip 6, make small end down, big end up, strip wedge 7 is past downslide under the effect of gravity or external force along previously described gap, power tube 2 is attached on the side of deep trouth 61 tightly, closely contact, the good technical effect reaches and dispels the heat, then both sides end cap 8 tight spiral-locks to cavity, and tighten screw at screw hole 5 places.Thereby finish the assembling process of whole utility model.

Referring to Fig. 5, Fig. 6, the assembling process of another embodiment of the present utility model is:

Earlier press strip 6 is put into the cavity of the utility model shell 1, usefulness securing member 10 is connected shell 1 and is fixing with press strip 6 again, will put into the cavity of the utility model shell 1 at circuit board 3 again, and power tube 2 is contacted with the side of the deep trouth 61 of press strip 6; Again pressing plate 12 is buckled on the power tube 2, pass pressing plate and screw in press strip with screw 11 again and (also can not want pressing plate 12, directly respectively power tube 2 and press strip are coupled together) with screw 11, power tube 2 is closely contacted with press strip, the good technical effect reaches and dispels the heat, then both sides end cap 8 tight spiral-locks to cavity, and tighten screw at screw hole 5 places.Thereby finish the assembling process of whole utility model.

Utilize technical scheme described in the utility model, or those skilled in the art designing the similar techniques scheme under the inspiration of technical solutions of the utility model, and reach above-mentioned technique effect, all is to have fallen into protection range of the present utility model.

Claims

1. controller for electric vehicle, the shell, circuit board and the end cap that comprise the integral type cavity structure, described shell inner cavity is provided with the press strip that is used for fixing power tube on the described circuit board, it is characterized in that: the side of described press strip is provided with groove, the upper surface of described groove, lower surface are provided with jagged screw thread and the following screw thread gone up, and described press strip is connected with described shell by the securing member that is threaded structure.

2. controller for electric vehicle according to claim 1 is characterized in that: described press strip opposite side also is provided with deep trouth, places the power tube on the described circuit board in the described deep trouth.

3. controller for electric vehicle according to claim 1 is characterized in that: the two ends of described groove are sealed.

4. controller for electric vehicle according to claim 2 is characterized in that: described deep trouth is provided with the Ka Tai that is used to locate power tube on the described circuit board near the side of described groove.

5. controller for electric vehicle according to claim 2 is characterized in that: also be provided with the strip wedge between the power tube on described deep trouth and the described circuit board.

6. controller for electric vehicle according to claim 5 is characterized in that: the cross section of described strip wedge be shaped as a kind of in " 7 type ", " del type ", " T type " or " fall trapezoidal type ".

7. controller for electric vehicle according to claim 1 is characterized in that: described press strip opposite side also is provided with the pressing plate that is used to be fixed, and described pressing plate is provided with screw hole, and described pressing plate is connected with described press strip by screw.

8. controller for electric vehicle according to claim 1 is characterized in that: described power tube is connected with described press strip by screw.