CN214311607U

CN214311607U - Electric vehicle controller mainboard fixing device

Info

Publication number: CN214311607U
Application number: CN202120553811.XU
Authority: CN
Inventors: 王浩
Original assignee: Xuzhou Shijin Electromechanical Technology Co ltd
Current assignee: Xuzhou Shijin Electromechanical Technology Co ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-09-28
Anticipated expiration: 2031-03-17

Abstract

The utility model discloses an electric vehicle controller mainboard fixing device, including the chassis and with chassis complex upper cover, be provided with a plurality of vibration damping mount on the chassis, be provided with a groined type mount on a plurality of vibration damping mount, install the mainboard on the mount, mos pipe back on the mainboard is provided with the aluminium strip for the heat dissipation, the lateral wall and the upper cover inside wall of aluminium strip contact, be provided with a plurality of gasbag in the upper cover between roof and the aluminium strip, the one-way air outlet nozzle of gasbag is towards the aluminium strip, the one-way suction nozzle of gasbag passes the upper cover lateral wall and extends to the upper cover outside. The utility model has the advantages that the damping base and the fixing frame are arranged, the fixing frame can utilize the damping base to damp and play a role in protecting the mainboard, and the fixing frame can be used as a supporting piece to ensure that the mainboard is not easy to deform due to bumping; through setting up the gasbag, can accelerate the mainboard heat dissipation, simultaneously because the gasbag is located between roof in aluminium strip and the upper cover, the gasbag also can play the cushioning effect, protects the mainboard.

Description

Electric vehicle controller mainboard fixing device

Technical Field

The utility model relates to an electric vehicle controller mainboard fixing device belongs to electric vehicle controller technical field.

Background

The electric vehicle controller is a core control device of the electric vehicle, and a plurality of control signals on the electric vehicle handle are transmitted to the motor through the controller to control the start, stop, acceleration and deceleration and the like of the electric vehicle. The major structure of current electric vehicle controller can be divided into the barrel, front end housing and rear end cap, be fixed with the mos bank of tubes on the mainboard of controller, be equipped with the screw hole on the aluminium strip behind the mos bank of tubes, be equipped with the mainboard spout in the barrel, through insert the mainboard edge in the spout and with aluminium strip and barrel with screw locking realize the mainboard fixed in the barrel, but this kind of mode makes the most structure of mainboard unsettled in the barrel, can not obtain the support, after long-time, the mainboard takes place to warp easily. The electric vehicle jolts on the road surface during running, and the main board is easier to damage.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned prior art exists, the utility model provides an electric vehicle controller mainboard fixing device can provide good support for the mainboard, provides the shock attenuation and dispels the heat for the mainboard simultaneously.

In order to realize above-mentioned purpose, an electric vehicle controller mainboard fixing device, including the chassis and with chassis complex upper cover, be provided with a plurality of vibration damping mount on the chassis, be provided with a groined type mount on a plurality of vibration damping mount, install the mainboard on the mount, mos pipe back on the mainboard is provided with the aluminium strip for the heat dissipation, the lateral wall and the upper cover inside wall of aluminium strip contact, be provided with a plurality of gasbag in the upper cover between roof and the aluminium strip, the one-way play gas nozzle of gasbag is towards the aluminium strip, the one-way suction nozzle of gasbag passes the upper cover lateral wall and extends to the upper cover outside.

Preferably, the damping base comprises a column sleeve arranged on the chassis and a support column partially inserted in the column sleeve, a spring is arranged in the column sleeve and at the bottom of the support column, and the top of the support column is fixedly connected with the fixed frame.

Preferably, the lateral wall of the column sleeve is provided with a limiting through hole penetrating through the column sleeve, and the bottom of the support column is provided with a limiting pin matched with the limiting through hole.

Preferably, the fixing frame is provided with an insulating spacer for protecting welding spots at the bottom of the main board.

Preferably, the chassis and the upper cover are both U-shaped, and a side plate of the chassis is provided with wire outlet holes.

Preferably, the chassis and the upper cover are fixedly connected through screws.

Preferably, the main plate is fixed on the fixing frame through screws.

Compared with the prior art, the beneficial effects of the utility model are that:

the main board can be arranged on the fixing frame by arranging the damping base and the fixing frame, when the electric vehicle runs on a bumpy road surface, the fixing frame can absorb the shock by using the damping base to play a role in protecting the main board, and the fixing frame can be used as a supporting piece to provide uniform and enough plane support for the main board, so that the main board is not easy to deform due to bumping; the aluminum strips are attached to the inner side wall of the upper cover, so that the heat of the aluminum strips can be well transferred to the upper cover, and the heat dissipation is promoted; through setting up the gasbag, when the mainboard begins to jolt from top to bottom, the displacement about the aluminium strip also can produce, thereby produce the extrusion repeatedly to the gasbag, when the gasbag pressurized, one-way air outlet nozzle blows off the cold air to the aluminium strip, promote the aluminium strip heat dissipation, when the gasbag does not receive the extrusion, the gasbag is at self elastic action down the shape of recovering, inhale the cold air from one-way air inlet, constantly circulate in proper order, accelerate the mainboard heat dissipation, simultaneously because the gasbag is located between the roof in aluminium strip and the upper cover, the gasbag also can play the cushioning effect, the protection mainboard.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a cross-sectional view taken along line a-a of fig. 2 in accordance with the present invention;

FIG. 4 is a schematic view of the main board mounting structure of the present invention;

FIG. 5 is a schematic view of a partial structure of the present invention;

FIG. 6 is a schematic view of the partial structure of the present invention II;

fig. 7 is a perspective view of the upper cover of the present invention.

In the figure: 1. chassis, 11, wire outlet hole, 2, upper cover, 21, heat dissipation strip, 3, vibration damping mount, 31, mount, 32, spacer, 33, support column, 34, post cover, 35, spacing through-hole, 36, spacer pin, 37, spring, 4, mainboard, 41, mos pipe, 42, aluminium strip, 5, gasbag, 51, one-way air outlet nozzle, 52, one-way air inlet nozzle.

Detailed Description

The technical solutions in the implementation of the present invention will be clear from the following description and accompanying drawings, and the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 7, an electric vehicle controller motherboard fixing device provided in an embodiment of the present invention includes a chassis 1 and an upper cover 2 engaged with the chassis 1, the chassis 1 and the upper cover 2 are both U-shaped, the outer side walls of the upper cover 2 and the chassis 1 are respectively provided with a plurality of heat dissipation strips 21, as can be seen from fig. 1, 4 and 7, the chassis 1 and the upper cover 2 cooperate to form a housing of a controller, a side plate of the chassis 1 is provided with a wire outlet 11, the chassis 1 is provided with a plurality of shock-absorbing bases 3, the shock-absorbing bases 3 are provided with a groined-shaped fixing frame 31, the fixing frame 31 is provided with a motherboard 4, the back of a mos tube 41 on the motherboard 4 is provided with an aluminum strip 42 for heat dissipation, the side wall of the aluminum strip 42 contacts with the inner side wall of the upper cover 2, a plurality of air bags 5 are provided between the inner top wall of the upper cover 2 and the aluminum strip 42, the one-way air outlet nozzle 51 of the air bags 5 faces the aluminum strip 42, the one-way air inlet nozzle 52 of the air bag 5 penetrates through the side wall of the upper cover 2 and extends to the outside of the upper cover 2. By arranging the damping base 3 and the fixing frame 31, the mainboard 4 can be arranged on the fixing frame 31, when the electric vehicle runs on a bumpy road surface, the fixing frame 31 can absorb the shock by using the damping base 3 to play a role in protecting the mainboard 4, and the fixing frame 31 can be used as a supporting piece to provide more uniform and sufficient plane support for the mainboard 4, so that the mainboard 4 is not easy to deform due to bumping; the aluminum strips 42 are attached to the inner side wall of the upper cover 2, so that the heat of the aluminum strips 42 can be well transferred to the upper cover 2, and the heat dissipation is promoted; through setting up gasbag 5, when mainboard 4 begins to jolt from top to bottom, displacement about aluminium strip 42 also can produce, thereby produce extrusion repeatedly to gasbag 5, when gasbag 5 pressurized, one-way air outlet nozzle 51 blows off the cold air to aluminium strip 42, promote the heat dissipation of aluminium strip 42, when gasbag 5 does not receive the extrusion, gasbag 5 is at self elastic action time primitive form again, inhale the cold air from one-way air inlet, in proper order constantly circulate, accelerate the heat dissipation of mainboard 4, simultaneously because gasbag 5 is located between roof in aluminium strip 42 and the upper cover 2, gasbag 5 also can play the cushioning effect, protection mainboard 4.

Preferably, the damping base 3 comprises a column sleeve 34 arranged on the chassis 1 and a supporting column 33 partially inserted into the column sleeve 34, a spring 37 is arranged in the column sleeve 34 and at the bottom of the supporting column 33, and the top of the supporting column 33 is fixedly connected with the fixed frame 31. As can be seen from fig. 5 and 6, when a bump is encountered, the support column 33 will displace up and down in the column jacket 34, and the support column 33 can be cushioned by the spring 37 in the column jacket 34.

Preferably, the side wall of the column sleeve 34 is provided with a limiting through hole 35 penetrating through the column sleeve 34, and the bottom of the supporting column 33 is provided with a limiting pin 36 matched with the limiting through hole 35. Through setting up spacing round pin 36 and spacing through-hole 35, neither influence the cooperation between support column 33 and the spring 37, can restrict the displacement range of support column 33 again, prevent that support column 33 from breaking away from column jacket 34.

Preferably, the fixing frame 31 is provided with an insulating spacer 32 for protecting the welding spots at the bottom of the main board 4. The insulating spacer 32 may use a flexible material such as an insulating film.

Preferably, the chassis 1 and the upper cover 2 are fixedly connected through screws. The screw connection facilitates the disassembly and assembly between the upper cover 2 and the chassis 1.

Preferably, the main plate 4 is fixed to the fixing frame 31 by screws. The screw connection facilitates the detachment and fixation of the main board 4.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an electric vehicle controller mainboard fixing device, its characterized in that, including chassis (1) and with chassis (1) complex upper cover (2), be provided with a plurality of vibration damping mount (3) on chassis (1), be provided with one groined type mount (31) on a plurality of vibration damping mount (3), install mainboard (4) on mount (31), mos pipe (41) the back on mainboard (4) is provided with aluminium strip (42) for the heat dissipation, the lateral wall and upper cover (2) inside wall of aluminium strip (42) contact, be provided with a plurality of gasbag (5) between roof and aluminium strip (42) in upper cover (2), one-way play gas nozzle (51) of gasbag (5) are towards aluminium strip (42), one-way suction nozzle (52) of gasbag (5) pass upper cover (2) lateral wall and extend to upper cover (2) outside.

2. The main board fixing device of the electric vehicle controller according to claim 1, wherein the damping base (3) comprises a column sleeve (34) arranged on the chassis (1) and a supporting column (33) partially inserted into the column sleeve (34), a spring (37) is arranged in the column sleeve (34) and at the bottom of the supporting column (33), and the top of the supporting column (33) is fixedly connected with the fixing frame (31).

3. The main board fixing device of the electric vehicle controller according to claim 2, wherein a limiting through hole (35) penetrating through the column sleeve (34) is formed in the side wall of the column sleeve (34), and a limiting pin (36) matched with the limiting through hole (35) is arranged at the bottom of the supporting column (33).

4. The fixing device for the main board of the electric vehicle controller according to claim 1, wherein the fixing frame (31) is provided with an insulating spacer (32) for protecting a welding spot at the bottom of the main board (4).

5. The fixing device for the main board of the electric vehicle controller according to claim 1, wherein the chassis (1) and the upper cover (2) are both U-shaped, and a side board of the chassis (1) is provided with an outlet hole (11).

6. The main board fixing device of the electric vehicle controller according to claim 1, wherein the chassis (1) and the upper cover (2) are fixedly connected through screws.

7. The main board fixing device of the electric vehicle controller according to claim 1, wherein the main board (4) is fixed on the fixing frame (31) by screws.