CN215323090U - Balance car body and balance car - Google Patents
Balance car body and balance car Download PDFInfo
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- CN215323090U CN215323090U CN202121182941.3U CN202121182941U CN215323090U CN 215323090 U CN215323090 U CN 215323090U CN 202121182941 U CN202121182941 U CN 202121182941U CN 215323090 U CN215323090 U CN 215323090U
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- balance car
- heat dissipation
- car body
- lower case
- bottom wall
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Abstract
The utility model provides a balance car body and a balance car, wherein the balance car body comprises an upper shell, a lower shell and a control panel, the upper shell is connected with the upper shell, an accommodating cavity is formed between the upper shell and the lower shell, the lower shell comprises a heat dissipation part, the part of the lower shell, which forms the heat dissipation part, is made of metal materials, and the control panel is arranged in the accommodating cavity and is adjacent to the heat dissipation part. The balance car body provided by the utility model has the advantages of good heat dissipation and stable working performance of the control panel.
Description
Technical Field
The utility model relates to the technical field of balance cars, in particular to a car body of a balance car and the balance car.
Background
The balance car in the related art is basically not provided with a special heat dissipation mechanism to dissipate heat of the MOS chip on the control panel, and along with improvement of all components in the balance car, the endurance time of the balance car is longer and longer, and the volume of the car body is smaller and smaller. At this moment, the heat dissipated by the MOS chip on the control board in the vehicle body cannot be dissipated to the outside in time, and the MOS chip on the control board is easily over-high in temperature and affects the working performance along with the heat accumulation in the vehicle body.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the embodiment of the utility model provides the balance car body, which has the advantages of good heat dissipation and stable working performance of the control panel.
The embodiment of the utility model also provides the balance car.
The balance car body comprises an upper shell, a lower shell and a control panel, wherein the upper shell is connected with the upper shell, an accommodating cavity is formed between the upper shell and the lower shell, the lower shell comprises a heat dissipation part, and the part of the lower shell, which forms the heat dissipation part, is made of a metal material; the control board is arranged in the accommodating cavity and is adjacent to the heat dissipation part.
According to the balance car body provided by the embodiment of the utility model, the heat dissipation part of the lower shell is made of the metal material with high heat conductivity, so that the heat emitted by the control panel adjacent to the heat dissipation part can be quickly conducted to the outside by the heat dissipation part, the temperature of the control panel is controlled within a set range, and the working performance of the control panel is ensured.
In some embodiments, the lower case is made of a metal material, and the control plate is spaced apart from an inner bottom wall surface of the lower case in an up-and-down direction.
In some embodiments, a plurality of connecting columns are arranged on the inner bottom wall surface of the lower shell, threaded holes are formed in the upper end surfaces of the connecting columns, connecting holes corresponding to the threaded holes in a one-to-one mode are formed in the control panel, and the control panel is connected with the lower shell through bolts penetrating through the connecting holes and in threaded fit with the threaded holes.
In some embodiments, the lower case is provided with a groove having a downward opening, and the lower case includes a heat dissipation plate for forming a bottom wall of the groove, the heat dissipation plate being opposite to the control board in an up-down direction.
In some embodiments, a plurality of heat dissipation fins are arranged in the groove, and the lower end surfaces of the plurality of heat dissipation fins are not lower than the outer bottom wall surface of the lower shell.
In some embodiments, the control board includes a board body and a plurality of chips, and the plurality of chips are all disposed on a bottom surface of the board body.
In some embodiments, at least one of the plurality of chips has a MOS transistor built in.
In some embodiments, the balance car further comprises a heat dissipation silica gel pad, and the heat dissipation silica gel pad is clamped between the inner bottom wall surface of the lower shell and the plurality of chips.
Or a heat dissipation silicone layer is arranged between the bottom surface of the plate body and the inner bottom wall surface of the lower shell.
In some embodiments, the lower case is die-cast from an aluminum alloy, and an outer surface of the lower case is provided with a black oxide film coating.
In some embodiments, the upper housing is integrally injection molded.
In some embodiments, the lower housing further includes a main body, the main body is provided with a through hole for communicating the outside with the accommodating cavity, and the heat dissipation part is pre-embedded in the main body and seals the through hole.
The balance car provided by the embodiment of the utility model comprises the car body of the balance car provided by any one of the embodiments.
The technical advantages of the balance car according to the embodiment of the utility model are the same as those of the car body of the balance car, and are not described herein again.
Drawings
Fig. 1 is an exploded view of a vehicle body of a balance car according to an embodiment of the present invention.
Fig. 2 is a sectional view of a vehicle body of the balance car according to the embodiment of the present invention.
Fig. 3 is a bottom view of a control panel in a vehicle body of the balance car according to the embodiment of the present invention.
Reference numerals:
the body 100 of the balance car is provided with a balance,
the heat dissipation structure comprises an upper shell 1, a lower shell 2, a connecting column 21, a threaded hole 22, a heat dissipation plate 23, a groove 24, a heat dissipation fin 25, a control plate 3, a plate body 31, a chip 32, a connecting hole 33 and a heat dissipation silica gel pad 4.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
A vehicle body 100 of a balance car according to an embodiment of the present invention will be described below with reference to fig. 1 to 3.
As shown in fig. 1 and 2, a vehicle body 100 of a balance car according to an embodiment of the present invention includes an upper case 1, a lower case 2, and a control panel 3. The upper shell 1 is connected with the upper shell 1, and an accommodating cavity is formed between the upper shell 1 and the lower shell. The lower case 2 includes a heat dissipation portion, and a portion of the lower case 2 constituting the heat dissipation portion is made of a metal material. The control panel 3 is arranged in the accommodating cavity and is adjacent to the heat dissipation part.
According to the balance car body 100 of the embodiment of the utility model, the heat dissipation part of the lower shell 2 is made of the metal material with high heat conductivity, so that the heat emitted by the control panel 3 adjacent to the heat dissipation part can be quickly conducted to the outside by the heat dissipation part, the temperature of the control panel 3 is controlled within a set range, and the working performance of the control panel 3 is ensured.
For convenience of understanding, an arrow a in fig. 2 shows a left-right direction of the vehicle body 100 of the balance car according to the embodiment of the present invention, and an arrow B in fig. 2 shows an up-down direction of the vehicle body 100 of the balance car according to the embodiment of the present invention.
In some embodiments, the lower case 2 is made of a metal material, and the control board 3 is spaced apart from the inner bottom wall surface of the lower case 2 in the up-down direction.
Namely, the lower shell 2 is made of metal material, and the lower shell 2 is simple and convenient to manufacture. Moreover, the whole very high heat conductivity that all has of lower casing 2, behind the heat of control panel 3 led to the holding chamber, lower casing 2 is whole can be led the heat to the external world more fast, and the radiating efficiency of the automobile body 100 of balance car is higher.
In addition, by arranging the control board 3 not to contact with the lower case 2, the control board 3 is prevented from pressing the chip 32 on the control board 3 due to the tolerance or installation error of the control board 3, thereby ensuring the stability of the structure and function of the control board 3.
In some embodiments, the inner bottom wall surface of the lower case 2 is provided with a plurality of connection posts 21, the upper end surfaces of the connection posts 21 are provided with screw holes 22, and the control plate 3 is provided with connection holes 33 corresponding to the screw holes 22 one to one. The control plate 3 is coupled to the lower case 2 by bolts passing through the coupling holes 33 and threadedly engaged with the threaded holes 22.
As shown in fig. 1, four connecting posts 21 are arranged on the inner bottom wall surface of the lower casing 2 in a rectangular shape, and the axial direction of the connecting posts 21 is the same as the axial direction of the threaded holes 22 and is in the vertical direction. After the four bolts pass through the corresponding connecting holes 33 and are in threaded fit with the corresponding threaded holes 22, the plate body 31 of the control plate 3 is stopped against the upper end surface of the connecting column 21. Therefore, the rest part of the plate 31 is suspended relative to the inner bottom wall surface of the lower shell 2, and the chip 32 on the plate 31 is ensured not to contact with the inner bottom wall surface of the lower shell 2.
In some embodiments, the lower case 2 is provided with a recess 24 opened downward, and the lower case 2 includes a heat dissipation plate 23 for constituting a bottom wall of the recess 24, the heat dissipation plate 23 being opposed to the control board 3 in the up-down direction.
On a projection plane perpendicular to the vertical direction, the projection of the control plate 3 and the projection of the heat dissipation plate 23 substantially overlap each other. Through setting up recess 24, the area of contact of casing 2 and outside air further increases down, and the radiating effect is better. Moreover, the heat dissipation plate 23 is less prone to deformation caused by external impact, so that the probability that the heat dissipation plate 23 extrudes the control board 3 is greatly reduced, and the stability of the structure and the function of the control board 3 is ensured.
In some embodiments, a plurality of heat dissipating fins 25 are provided in the groove 24, and the lower end surfaces of the plurality of heat dissipating fins 25 are not lower than the outer bottom wall surface of the lower case 2.
As shown in fig. 2, the plurality of radiator fins 25 are equally spaced apart in the left-right direction, and the lower end surface of each of the plurality of radiator fins 25 is flush with the outer bottom wall surface of the lower case 2. Therefore, the contact area between the lower shell 2 and the outside air is increased to the maximum extent, the heat dissipation efficiency is further improved, the heat dissipation plate is not easy to be impacted by the outside, and the stability of the structure of the heat dissipation plate 23 is ensured.
In some embodiments, the control board 3 includes a board body 31 and a plurality of chips 32, at least one of the plurality of chips 32 has a Metal Oxide Semiconductor (MOS) transistor built therein, and the plurality of chips 32 are disposed on a bottom surface of the board body 31.
As shown in fig. 2 and 3, the plurality of chips 32 are spaced apart in the left-right direction, and each of the plurality of chips 32 is a MOS chip. Establish the bottom surface at plate body 31 through the MOS chip that will generate heat easily, the clearance between the inner bottom wall surface of MOS chip and heating panel 23 is littleer, and the heat that the MOS chip gived off to the holding intracavity can be led to the external world by heating panel 23 more in time, and the radiating efficiency of the automobile body 100 of balance car is higher.
In some embodiments, the balance car further includes a heat dissipation silicone pad 4, and the heat dissipation silicone pad 4 is sandwiched between the inner bottom wall surface of the lower case 2 and the plurality of chips 32.
Compare in the air propagation, heat silica gel pad 4 can lead the heat that chip 32 sent to down casing 2 more fast, and then leads to the external world by down casing 2 more fast, and the radiating efficiency of the automobile body 100 of balance car further improves.
Alternatively, a heat-dissipating silicone layer is provided between the bottom surface of plate 31 and the inner bottom wall surface of lower case 2.
Specifically, before the control board 3 is mounted, a paste-like heat-dissipating silicone grease having a uniform thickness is applied to the inner bottom wall surface of the lower case 2, thereby forming a heat-dissipating silicone grease layer having high thermal conductivity. At least a part of the chip 32 on the plate body 31 is embedded in the heat-dissipating silicone layer when the control board 3 is mounted on the lower case 2. Therefore, the heat dissipation silicone grease layer can also guide the heat emitted by the chip 32 to the lower shell 2 more quickly, so as to further improve the heat dissipation efficiency of the balance car body 100.
In some embodiments, the lower case 2 is die-cast from an aluminum alloy, and the outer surface of the lower case 2 is provided with an oxidized black film coating.
Compared with the bright silver surface of the aluminum alloy, the black surface of the black oxide film coating has stronger heat radiation capability, and the efficiency of heat radiation of the balance car body 100 to the outside is higher.
In some embodiments, the upper housing 1 is integrally injection molded. Therefore, the balance car body 100 has good heat dissipation performance and is lower in manufacturing cost.
In some embodiments, the lower housing 2 further includes a main body portion, a through hole for communicating the outside and the accommodating cavity is formed in the main body portion, and the heat dissipation portion is pre-embedded in the main body portion and seals the through hole.
Specifically, the heat dissipation part is a metal plate, when the main body part is injection molded, the metal plate is placed at a set position of the mold in advance, after the main body part is injection molded, the edge part of the metal plate is embedded in the main body part, and therefore the stability of connection of the heat dissipation part and the main body part is guaranteed. This arrangement makes the lower case 2 including the injection molded body portion lower in manufacturing cost while the vehicle body 100 of the balance car has good heat dissipation performance.
Moreover, through set up the through-hole on the main part to seal the through-hole through the radiating part, make the upper surface and the holding chamber direct contact of radiating part from this, lower surface and external direct contact, the radiating part can directly lead the heat that control panel 3 sent to the external world, and the radiating efficiency of the automobile body 100 of balance car is higher.
The balance car according to the embodiment of the utility model comprises the car body 100 of the balance car of any one of the embodiments.
Technical advantages of the balance car according to the embodiment of the present invention are the same as those of the car body 100 of the balance car described above, and are not described herein again.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific 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 disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (12)
1. A vehicle body of a balance car, characterized by comprising:
the upper shell is connected with the upper shell, an accommodating cavity is formed between the upper shell and the lower shell, the lower shell comprises a heat dissipation part, and the part of the lower shell, which forms the heat dissipation part, is made of metal materials; and
the control plate is arranged in the accommodating cavity and is adjacent to the heat dissipation part.
2. The balance car body according to claim 1, wherein the lower case is made of a metal material, and the control plate is spaced apart from an inner bottom wall surface of the lower case in an up-down direction.
3. The balance car body according to claim 2, wherein a plurality of connecting columns are arranged on the inner bottom wall surface of the lower shell, threaded holes are formed in the upper end surfaces of the connecting columns, connecting holes corresponding to the threaded holes in a one-to-one correspondence are formed in the control panel, and the control panel is connected with the lower shell through bolts which penetrate through the connecting holes and are in threaded fit with the threaded holes.
4. The balance car body according to claim 2, wherein the lower case is provided with a recess having a downward opening, and the lower case includes a heat radiating plate for forming a bottom wall of the recess, the heat radiating plate being opposed to the control plate in the up-down direction.
5. The balance car body according to claim 4, wherein a plurality of heat dissipating fins are provided in the recess, and lower end surfaces of the plurality of heat dissipating fins are not lower than an outer bottom wall surface of the lower case.
6. The balance car body according to claim 2, wherein the control board comprises a board body and a plurality of chips, and the plurality of chips are all arranged on the bottom surface of the board body.
7. The balance car body according to claim 6, wherein at least one of the plurality of chips has a MOS transistor built therein.
8. The balance car body according to claim 6,
the balance car further comprises a heat dissipation silica gel pad, and the heat dissipation silica gel pad is clamped between the inner bottom wall surface of the lower shell and the plurality of chips;
or a heat dissipation silicone layer is arranged between the bottom surface of the plate body and the inner bottom wall surface of the lower shell.
9. The balance car body according to claim 2, wherein the lower case is die-cast from an aluminum alloy, and an outer surface of the lower case is provided with a black oxide film coating.
10. The balance car body of claim 2, wherein the upper housing is integrally injection molded.
11. The balance car body according to claim 1, wherein the lower shell further comprises a main body part, a through hole for communicating the outside and the accommodating cavity is formed in the main body part, and the heat dissipation part is embedded in the main body part and seals the through hole.
12. A balance vehicle characterized by comprising the vehicle body of the balance vehicle according to any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121182941.3U CN215323090U (en) | 2021-05-28 | 2021-05-28 | Balance car body and balance car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121182941.3U CN215323090U (en) | 2021-05-28 | 2021-05-28 | Balance car body and balance car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215323090U true CN215323090U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121182941.3U Active CN215323090U (en) | 2021-05-28 | 2021-05-28 | Balance car body and balance car |
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| Country | Link |
|---|---|
| CN (1) | CN215323090U (en) |
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2021
- 2021-05-28 CN CN202121182941.3U patent/CN215323090U/en active Active
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