CN210579478U

CN210579478U - Balance car and controller thereof

Info

Publication number: CN210579478U
Application number: CN201920941310.1U
Authority: CN
Inventors: 李朝军; 甄旭彬; 柴富华
Original assignee: Ninebot Beijing Technology Co Ltd
Current assignee: Ninebot Beijing Technology Co Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-05-19
Anticipated expiration: 2029-06-21
Also published as: WO2020253126A1

Abstract

The utility model discloses a balance car and controller thereof, the controller of balance car includes: the device comprises a main control board, at least one group of MOS tubes and at least one heat dissipation profile. At least one group of MOS tubes is arranged on the main control board, each group of MOS tubes comprises a plurality of MOS tubes which are sequentially arranged on the main control board at intervals, and the bottom surfaces of the MOS tubes are attached to the main control board; the number of the heat dissipation section bars is the same as that of the groups of the MOS tubes, and each heat dissipation section bar is tightly pressed on the top surface of the corresponding group of the MOS tubes and is connected with the main control board. From this, through compressing tightly the MOS pipe between heat dissipation section bar and main control board, MOS pipe and heat dissipation section bar can fully contact, further can be with heat conduction to heat dissipation section bar to can promote the radiating effect, the aluminium base board in traditional radiating mode can be saved to the controller that so sets up moreover, thereby can reduce the cost of controller.

Description

Balance car and controller thereof

Technical Field

The utility model belongs to the technical field of the balance car technique and specifically relates to a balance car and controller thereof is related to.

Background

At present, the main control board MOS (metal oxide semiconductor-metal-oxide semiconductor) tube heat dissipation mode of the balance car mainly has two kinds: firstly, directly welding an MOS tube to an aluminum substrate; and secondly, directly locking the MOS tube to the heat dissipation section bar by using a screw. Although the heat dissipation of MOS pipe can effectively be realized to above-mentioned two kinds of radiating mode, above-mentioned two kinds of radiating mode assembling process are complicated, and assembly efficiency is low, has increased material cost undoubtedly like this, is unfavorable for using on the high price/performance ratio product.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a controller of balance car, the controller of balance car adopts and tightly presss from both sides radiating mode between main control board and heat dissipation section bar with the MOS pipe, can be under the prerequisite of guaranteeing heat dispersion, reduce cost.

Another object of the utility model is to provide a balance car with above-mentioned controller.

According to the utility model discloses the controller of balance car of first aspect embodiment, including main control board, at least a set of MOS pipe and at least one heat dissipation section bar. At least one group of MOS tubes is arranged on the main control board, each group of MOS tubes comprises a plurality of MOS tubes which are sequentially arranged on the main control board at intervals, and the bottom surfaces of the MOS tubes are attached to the main control board; the number of the heat dissipation section bars is the same as that of the groups of the MOS tubes, and each heat dissipation section bar is tightly pressed on the top surface of the corresponding group of the MOS tubes and is connected with the main control board.

According to the utility model discloses controller of balance car through compressing tightly the MOS pipe between heat dissipation section bar and main control board, and MOS pipe and heat dissipation section bar can fully contact, further can be with heat conduction to heat dissipation section bar to can promote the radiating effect, the aluminium base board in traditional radiating mode can be saved to the controller that so sets up moreover, thereby can reduce the cost of controller.

According to some embodiments of the present invention, the heat dissipation profile comprises: the heat dissipation body and two fixed stabilizer blades, two the fixed stabilizer blade is connected the both ends of heat dissipation body, the lower surface of heat dissipation body is higher than two the lower surface of fixed stabilizer blade is in order to form open storage tank down, and a set of the MOS pipe is held in the storage tank.

According to some embodiments of the invention, the heat dissipating body is formed with lightening holes.

According to some embodiments of the utility model, the heat dissipation main part includes: the top plate and the bottom plate are arranged at intervals up and down, the two side plates are respectively connected to two ends of the top plate and the bottom plate, the lower ends of the two side plates are connected with the corresponding fixed support legs, and the plurality of partition plates are arranged between the two side plates at intervals to form a plurality of lightening holes.

According to the utility model discloses a few embodiments, the bottom plate of heat dissipation main part is provided with the second fixed orifices that supplies the fastener to pass two of both sides under the second fixed orifices the MOS pipe is injectd and is dodged the gap.

According to the utility model discloses a some embodiments, the MOS pipe is two sets of, the heat dissipation section bar is two, and is two sets of the MOS pipe is in with two the heat dissipation section bar sets up respectively the length direction both ends of main control board.

According to some embodiments of the utility model, the width direction both ends of main control board are formed with respectively dodges the groove.

According to the utility model discloses balance car of second aspect embodiment, including automobile body and foretell controller.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a perspective view of a controller of a balance car according to an embodiment of the present invention;

fig. 2 is an exploded view of a controller of a balance car according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a controller of a balance car according to an embodiment of the present invention;

fig. 4 is a perspective view of a MOS transistor of a controller of a balance car according to an embodiment of the present invention.

Reference numerals:

a controller 100;

a main control board 10; an avoidance groove 11;

a MOS transistor 20; avoiding the gap 21;

a heat dissipation profile 30; the heat dissipation body 31; a top plate 311; a bottom plate 312; side plates 313; a partition 314; a lightening hole 315;

a fixed leg 32; the first fixing hole 321; a receiving groove 33;

a fastener 40.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

A controller 100 of a balance car according to an embodiment of the first aspect of the present invention is described below with reference to fig. 1 to 4.

As shown in fig. 1 to 4, a controller 100 of a balance car according to an embodiment of the present invention includes a main control board 10, at least one set of MOS transistors 20, and at least one heat dissipation profile 30. The main control board 10 is a control center of the controller 100, and can play a role in receiving information and issuing control information; the heat dissipation section 30 may be an aluminum profile, which has light weight, good oxidation corrosion resistance, and good thermal conductivity, so that the heat dissipation performance after being mounted with the MOS tube 20 is good, and in addition, the aluminum profile has low manufacturing cost and good structural stability; the MOS tube 20 is positioned between the main control board 10 and the heat dissipation section bar 30 and can provide stable voltage for accessories; the heat dissipation section bar 30 is tightly connected with the MOS tube 20, so that the heat dissipated by the MOS tube 20 can be sufficiently transferred to the heat dissipation section bar 30, and the operating temperature of the MOS tube 20 can be maintained in a certain range.

Specifically, as shown in fig. 1 and fig. 2, at least one group of MOS transistors 20 is disposed on the main control board 10, each group of MOS transistors 20 includes a plurality of MOS transistors 20 sequentially arranged at intervals on the main control board 10, and a bottom surface of each MOS transistor 20 abuts against the main control board 10. The number of the heat dissipation profiles 30 is the same as the number of the groups of the MOS transistors 20, and each heat dissipation profile 30 is pressed on the top surface of a corresponding group of the MOS transistors 20 and connected with the main control board 10. In the description of the present invention, "a plurality" means two or more.

For example, in the example of fig. 1 to fig. 3, two sets of twelve MOS transistors 20 arranged side by side may be provided on the main control board 10, and the two sets of MOS transistors 20 are respectively arranged on two sides of the main control board 10 in the length direction, which is the left-right direction of the main control board 10. Each group of MOS transistors 20 includes six MOS transistors 20, two groups of MOS transistors 20 correspond to two heat dissipation profiles 30, and the two groups of MOS transistors 20 are sequentially arranged at intervals in the width direction on the main control board 10, specifically, the bottom surfaces of the MOS transistors 20 are attached to the main control board 10, and the top surfaces are attached to the bottom surfaces of the heat dissipation profiles 30, in other words, the MOS transistors 20 are located between the heat dissipation profiles 30 and the main control board 10, and the MOS transistors 20 are compressed between the bottom surfaces of the heat dissipation profiles 30 and the top surfaces of the main control board 10.

From this, MOS pipe 20 can fully conduct the heat to heat dissipation section bar 30, can not become invalid because of self high temperature to influence controller 100's performance, the heat dissipation section bar 30 that so sets up can effectively distribute away the heat that MOS pipe 20 work produced, thereby can make MOS pipe 20's operating temperature keep in the certain interval, and then can promote controller 100's performance. In addition, the heat dissipation profile 30 and the main control board 10 arranged in this way can better ensure the position reliability of the MOS transistor 20, so that the structural stability of the controller 100 can be ensured.

It is understood that twelve MOS transistors 20 and two heat dissipation profiles 30 are shown in fig. 1-3 for illustrative purposes, but it is obvious to one skilled in the art after reading the following technical solutions that the solutions can be applied to other numbers of MOS transistors 20 and heat dissipation profiles 30, and the invention also falls within the protection scope of the present invention.

According to the utility model discloses controller 100 of balance car, through compressing tightly MOS pipe 20 between heat dissipation section bar 30 and main control board 10, MOS pipe 20 and heat dissipation section bar 30 can fully contact, further can conduct the heat to heat dissipation section bar 30 to can promote the radiating effect, the aluminium base board in traditional radiating mode can be saved to the controller 100 that so sets up moreover, thereby can reduce controller 100's cost.

In a further embodiment of the present invention, as shown in fig. 1 and 2, the heat dissipation profile 30 includes a heat dissipation main body 31 and two fixing legs 32, and the two fixing legs 32 are connected to two ends of the heat dissipation main body 31. Thus, by providing two fixing legs 32, the mounting reliability of the heat dissipation profile 30 can be ensured, and the positional reliability of the MOS transistor 20 can be further ensured.

For example, in the example of fig. 1 and 2, each fixing leg 32 is formed with a first fixing hole 321 through which the fastener 40 passes. The first fixing hole 321 may be circular, the first fixing hole 321 may be for the fastening element 40 to pass through, specifically, a through hole may be formed on the main control board 10, at this time, the first fixing hole 321 may be a hole (such as a threaded hole) corresponding to the through hole on the main control board 10, and then the fastening element 40, for example, a screw, passes through the hole on the lower shell of the balance car and the through hole on the main control board 10 from bottom to top and is in threaded connection with the first fixing hole 321, so that the fastening element 40 may fix the heat dissipation profile 30 and the main control board 10 on the lower shell of the balance car more firmly, so that the MOS tube 20 is compressed on the lower surface of the heat dissipation profile 30, and further, the MOS tube 20.

The lower surface of the heat dissipating body 31 is higher than the lower surfaces of the two fixing legs 32 to form a receiving groove 33 which is open downward, and the group of MOS transistors 20 is received in the receiving groove 33. For example, referring to fig. 3 in combination with fig. 1 and 2, the lower surfaces of the two fixing legs 32 are attached to the upper surface of the main control board 10, and the lower surface of the heat dissipating main body 31 is higher than the lower surfaces of the two fixing legs 32, so that a receiving groove 33 is formed between the lower surface of the heat dissipating main body 31 and the upper surface of the main control board 10, and the group of MOS transistors 20 is received in the receiving groove 33. Through the arrangement of the accommodating groove 33, the group of MOS transistors 20 can be reasonably arranged between the main control board 10 and the heat dissipation profile 30, and the structural stability of the controller 100 can be improved.

When assembling the controller 100, the MOS tube 20 and the main control board 10 are first fixed together, for example, the pins (three pins as shown in fig. 4) of the MOS tube 20 are partially welded on the main control board 10 by welding, then the lower surface of the heat dissipation body 31 is abutted against the MOS tube 20, and finally the heat dissipation profile 30 is connected to the main control board 10.

Therefore, the contact area of the lower surfaces of the MOS tube 20 and the heat dissipation main body 31 is large, heat generated by the MOS tube 20 can be fully transferred to the heat dissipation section bar 30, the heat dissipation effect can be improved, the MOS tube 20 and the heat dissipation section bar 30 are directly attached, other fasteners 40 are not needed, and the heat dissipation structure is very convenient.

Further, as shown in fig. 1 and 2, the heat dissipation body 31 is formed with lightening holes 315. Therefore, the mass of the heat dissipation profile 30 can be reduced, the cost of the controller 100 provided with the heat dissipation profile 30 can be further reduced, and the lightening holes 315 can accelerate the flow of air inside the heat dissipation profile 30, which is more beneficial to heat dissipation of the heat dissipation profile 30.

In some embodiments of the present invention, as shown in fig. 1, the heat dissipating body 31 includes: the weight-reducing structure comprises a top plate 311, a bottom plate 312, two side plates 313 and a plurality of partition plates 314, wherein the top plate 311 and the bottom plate 312 are arranged at intervals up and down, the two side plates 313 are respectively connected to two ends of the top plate 311 and the bottom plate 312, the lower ends of the two side plates 313 are connected with corresponding fixed support legs 32, and the plurality of partition plates 314 are arranged at intervals between the two side plates 313 to form a plurality of weight-reducing holes 315. For example, in the example of fig. 1 and 2, the top plate 311 and the bottom plate 312 of the heat dissipating body 31 are both parallel to and spaced apart from the upper surface of the main control board 10, two side plates 313 and three partition plates 314 are vertically disposed between the top plate 311 and the bottom plate 312, the two side plates 313 are respectively connected to both ends of the top plate 311 and the bottom plate 312, lower ends of the two side plates 313 are connected to the corresponding fixing legs 32, the three partition plates 314 are also disposed between the top plate 311 and the bottom plate 312, the three partition plates 314 are uniformly spaced apart from each other parallel to the two side plates 313, and the three partition plates 314 and the two side plates 313 together define weight-reducing holes 315 that penetrate the both ends of the heat dissipating body 31 in the left and right. The heat dissipation main body 31 is simple in structure, small in material consumption, firm and reliable.

Further, as shown in fig. 2, the bottom plate 312 of the heat dissipating main body 31 is provided with a second fixing hole for the fastener 40 to pass through, and two MOS transistors on both sides right below the second fixing hole define the avoiding gap 21. By providing the relief gap 21, the fastener 40 can pass through the relief gap 21, thereby fixing the main control board 10 and the heat dissipation profile 30. Specifically, referring to fig. 1 and 2, the bottom plate 312 of the heat dissipation body 31 is provided with two second fixing holes, which may be screw holes. Two groups of twelve MOS tubes 20 are respectively arranged on two sides of the main control board 10 in the length direction, each group of MOS tubes 20 comprises six MOS tubes 20, the six MOS tubes 20 are sequentially arranged along the front-back direction, and avoidance gaps 21 are defined between the second MOS tube 20 and the third MOS tube 20 and between the fourth MOS tube 20 and the fifth MOS tube 20 along the front-back direction. Each end of the main control board 10 in the length direction is formed with 4 holes, wherein the holes at the four corners of the main control board 10 are holes corresponding to the first fixing holes 321, the hole at the middle of the short side of the main control board 10 is a hole corresponding to the second fixing hole, and the hole at the middle of the short side of the main control board 10 may be a through hole. During assembly, the fastener 40 can penetrate through the hole on the lower shell of the balance car, the through hole on the main control board 10 and the avoiding gap 21 between the MOS tubes 20 from bottom to top and is in threaded connection with the corresponding second fixing hole on the heat dissipation main body 31. Therefore, the main control board 10 and the heat dissipation section bar 30 can be firmly connected, and the heat dissipation section bar 30 arranged in this way can apply certain pressure to the MOS tube 20, so that the MOS tube 20 and the heat dissipation section bar 30 are more firmly attached together, and a good heat dissipation effect can be realized.

In some optional embodiments of the present invention, as shown in fig. 1 and fig. 2, the MOS tubes 20 may be two sets, the heat dissipation profiles 30 may be two sets, and the two sets of MOS tubes 20 and the two heat dissipation profiles 30 are respectively disposed at both ends of the length direction of the main control board 10. For example, referring to fig. 1 and 2 in combination with fig. 3, two groups of MOS transistors 20 and two corresponding heat dissipation profiles 30 are respectively located at two ends of the main control board 10 in the length direction. Therefore, the two opposite heat dissipation profiles 30 have sufficient heat dissipation space, a good heat dissipation effect can be achieved, and the space on the main control board 10 can be reasonably utilized.

In some embodiments of the present invention, as shown in fig. 1 and 2, the main control board 10 is formed with an avoiding groove 11 at each of both ends in the width direction. This allows the controller 100 to be mounted in other components, and the main control board 10 to be provided with the escape groove 11, which reduces the mass of the main control board 10.

According to the utility model discloses balance car of second aspect embodiment, including the automobile body and according to the utility model discloses the above-mentioned controller 100 of first aspect embodiment, controller 100 sets up in the automobile body to send the instruction, control the travel of balance car on the road.

According to the utility model discloses balance car, through adopting foretell controller 100, MOS pipe 20 in the controller 100 presss from both sides tightly between main control board 10 and heat dissipation section bar 30, and MOS pipe 20 can fully conduct the heat to heat dissipation section bar 30 to promote the radiating effect, and then strengthened controller 100's performance, from this, the balance car is more stable on the road going, can not be because the overheated traveling that influences the balance car of MOS pipe 20.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A controller of a balance car, comprising:

a main control board;

the MOS transistors are arranged on the main control board, each MOS transistor group comprises a plurality of MOS transistors which are sequentially arranged on the main control board at intervals, and the bottom surfaces of the MOS transistors are attached to the main control board;

the number of the heat dissipation profiles is the same as that of the groups of the MOS tubes, and each heat dissipation profile is tightly pressed on the top surface of the corresponding group of the MOS tubes and is connected with the main control board.

2. The balance car controller of claim 1, wherein the heat dissipation profile comprises: the heat dissipation body and two fixed stabilizer blades, two the fixed stabilizer blade is connected the both ends of heat dissipation body, the lower surface of heat dissipation body is higher than two the lower surface of fixed stabilizer blade is in order to form open storage tank down, and a set of the MOS pipe is held in the storage tank.

3. The controller for a balance vehicle according to claim 2, wherein the heat dissipating body is formed with a weight-reducing hole therethrough.

4. The controller for a balance car according to claim 3, wherein the heat dissipating main body comprises: the top plate and the bottom plate are arranged at intervals up and down, the two side plates are respectively connected to two ends of the top plate and the bottom plate, the lower ends of the two side plates are connected with the corresponding fixed support legs, and the plurality of partition plates are arranged between the two side plates at intervals to form a plurality of lightening holes.

5. The controller of the balance car according to claim 2, wherein the bottom plate of the heat dissipation main body is provided with a second fixing hole for a fastener to pass through, and two MOS tubes on two sides right below the second fixing hole define an avoiding gap.

6. The controller of the balance car according to claim 1, wherein there are two groups of the MOS transistors, two groups of the heat dissipation profiles, and two groups of the MOS transistors and two heat dissipation profiles are respectively disposed at two ends of the main control board in a length direction.

7. The controller for a balance car according to claim 1, wherein an escape groove is formed at each of both ends in the width direction of the main control board.

8. A balance car, characterized by comprising:

a vehicle body;

the balance vehicle controller of any one of claims 1 to 7, the controller being disposed within the vehicle body.