Heat dissipation structure of electric scooter

Abstract

The utility model relates to a heat dissipation structure of an electric scooter, the lower surface of a pedal of the electric scooter is fixedly connected with a battery compartment, a battery substrate and a circuit board are arranged in the battery compartment, heat conduction columns are fixed on the bottom surfaces of the battery substrate and the circuit board, and the other ends of the heat conduction columns are connected with the heat dissipation structure; the heat dissipation structure comprises a heat dissipation base mounted on the battery compartment shell, an adsorption and desorption bed is arranged in the heat dissipation base, an energy storage core is wrapped in the adsorption and desorption bed, a heat conduction plate is vertically fixed to the end of a heat conduction column, and the heat conduction plate is tightly pressed on the top face of the adsorption and desorption bed. The heat dissipation structure is small in size, stable in temperature control effect, green and environment-friendly in energy source and free of toxic and harmful by-products.

Description

Technical Field

[0001] The utility model relates to the technical field of electric scooters, in particular to a heat dissipation structure of an electric scooter. Background Art

[0002] Compared with ordinary four-wheel skateboards, electric scooters are additionally provided with electric components, including but not limited to a battery component for providing electric energy and a circuit board for providing central processing and control. Due to the addition of electric components, in order to ensure the stable operation of the electric components, a heat dissipation structure also needs to be installed. Currently, the common heat dissipation structures in the field include two modes: air cooling and water cooling. The air cooling mode includes installing a small fan on the battery compartment and opening a ventilation port on the battery compartment. Therefore, it is necessary to perform waterproof treatment on the internal electronic components to prevent water from entering through the ventilation port when the electric scooter wades through water and damaging the internal circuit. The water cooling mode includes arranging water cooling pipelines in the battery compartment housing and installing a water pump and a cooling device at the rear end or the front end of the battery compartment. Compared with the air cooling mode, the water cooling mode can avoid waterproof treatment, but it adds more equipment, which will significantly increase the weight of the whole scooter, increase power consumption, and the laying of the water cooling pipelines will also cause the thickness of the battery compartment to increase, thereby reducing the chassis height of the scooter and reducing the obstacle-crossing performance of the scooter. Summary of the Utility Model

[0003] The purpose of this application is to provide a heat dissipation structure of an electric scooter, aiming to solve the problems existing in the prior art.

[0004] An embodiment of this application provides a heat dissipation structure of an electric scooter. The lower surface of the pedal of the electric scooter is fixedly connected to a battery compartment. A battery substrate and a circuit board are arranged in the battery compartment. Heat conducting columns are fixed to the bottom surfaces of the battery substrate and the circuit board, and the other ends of the heat conducting columns are connected to the heat dissipation structure; the heat dissipation structure includes a heat dissipation base installed on the battery compartment housing. The heat dissipation base is flat, the top of the heat dissipation base is open, an adsorption and desorption bed is arranged inside the heat dissipation base, and an energy storage core is wrapped inside the adsorption and desorption bed. The energy storage core is composed of a metal salt hydrate complex; a heat conducting plate is vertically fixed to the end of the heat conducting column, and the heat conducting plate tightly presses against the top surface of the adsorption and desorption bed.

[0005] Further, the inside of the battery compartment housing is divided into a battery partition and a control partition. The battery substrate is correspondingly installed in the battery partition, and the circuit board is correspondingly installed in the control partition; heat dissipation bases are correspondingly installed in the battery partition and the control partition for the heat conducting columns.

[0006] Further, a support plate is installed on the central axis of the battery substrate. A support seat is installed along the central axis inside the corresponding housing of the support plate. The support plate is fixedly connected to the support seat to support the battery substrate, so that there is a gap between the battery substrate and the inner wall of the housing, and the heat dissipation structure is installed in the gap.

[0007] Further, a card slot is provided on the inner wall of the heat dissipation base corresponding to the heat conduction plate, and the heat conduction plate is limited on the adsorption and desorption bed through the card slot.

[0008] Further, the energy storage core further includes a support framework for fixing the metal salt hydrate complex.

[0009] The beneficial effects of the present utility model are as follows: The present utility model uses the thermochemical principle to control the temperature of the electric components of the scooter. It neither needs to open ventilation openings like the air-cooled mode nor add a large number of devices like the water-cooled mode, which will increase the weight of the whole vehicle and reduce the chassis height, thus not reducing the performance of the scooter. The heat dissipation structure of the present utility model is small in volume, stable in temperature control effect, green and environmentally friendly in energy, and does not produce toxic by-products. Description of the Drawings

[0010] Figure 1 It is a schematic diagram of the bottom surface structure of the pedal main body of the electric scooter.

[0011] Figure 2 It is a schematic diagram of the bottom surface structure of the electric components.

[0012] Figure 3 It is a schematic diagram of the internal structure of the battery compartment housing.

[0013] Figure 4 It is a schematic diagram of the sectional structure of the heat dissipation structure.

[0014] In the figure:

[0015] 1. Pedal; 2. Battery compartment; 3. Battery substrate; 4. Circuit board; 5. Battery partition; 6. Control partition; 7. Heat conduction column; 8. Heat dissipation base; 9. Adsorption and desorption bed; 10. Energy storage core; 11. Heat conduction plate; 12. Support plate; 13. Support seat; 14. Housing. Detailed Embodiments

[0016] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0017] A heat dissipation structure of an electric scooter, as Figure 1 shown, the lower surface of the pedal 1 of the electric scooter is fixedly connected to the battery compartment 2. A battery substrate 3 and a circuit board 4 are arranged in the battery compartment 2. The upper surface of the battery substrate 3 is equipped with battery components to supply power to the scooter, and the upper surface of the circuit board 4 is loaded with electronic components such as a CPU for the electrical control of the scooter.

[0018] AsFigure 2 As shown, the interior of the housing 14 of the battery compartment 2 is divided into a battery partition 5 and a control partition 6. The battery substrate 3 is correspondingly installed in the battery partition 5, and the circuit board 4 is correspondingly installed in the control partition 6. Heat-conducting columns 7 are fixed to the bottom surfaces of both the battery substrate 3 and the circuit board 4. Heat dissipation bases 8 are installed in the battery partition 5 and the control partition 6 corresponding to the heat-conducting columns 7, and the other ends of the heat-conducting columns 7 are connected to a heat dissipation structure. As Figure 3 shown, the heat dissipation structure includes a heat dissipation base 8 installed on the housing 14 of the battery compartment 2. The heat dissipation base 8 is flat, that is, it has a large bottom area and a small height, so as to ensure that the height of the heat dissipation structure is small and will not significantly increase the thickness of the battery compartment 2, thereby not reducing the obstacle-crossing performance of the scooter.

[0019] As Figure 4 shown, the top of the heat dissipation base 8 is open, and an adsorption-desorption bed 9 is arranged inside the heat dissipation base 8. An energy storage core 10 is wrapped inside the adsorption-desorption bed 9. The adsorption-desorption bed 9 is made of a material with heat conductivity and water absorption, such as graphite. When the graphite is heated by heat conduction and its temperature rises, the surface area of the graphite increases and it will absorb the surrounding moisture. When the temperature drops, the surface area decreases and the moisture is released. The energy storage core 10 is composed of a metal salt hydrate complex. The metal salt hydrate complex can be sodium sulfate decahydrate, magnesium sulfate heptahydrate, disodium hydrogen phosphate dodecahydrate, sodium thiosulfate pentahydrate, calcium chloride hexahydrate or lithium nitrate trihydrate. The energy storage core 10 also includes a support framework for fixing the metal salt hydrate complex. The material of the support framework is metal foam, metal wire mesh, graphite fiber or porous heat-conducting ceramics. Using the thermal dehydration mechanism of the metal salt hydrate complex, when the metal salt hydrate complex absorbs heat, it removes the complexed crystal water and is then adsorbed by the adsorption-desorption bed 9. When the dehydrated metal salt hydrate complex releases heat, it absorbs the moisture in the adsorption-desorption bed 9 and regenerates the metal salt hydrate complex, thereby controlling the temperature of the circuit board 4 and the battery assembly of the scooter.

[0020] As Figure 4 shown, a heat-conducting plate 11 is vertically fixed to the end of the heat-conducting column 7, and the heat-conducting plate 11 tightly presses on the top surface of the adsorption-desorption bed 9. The material of the heat-conducting column 7 is preferably heat-conducting glue, and the material of the heat-conducting plate 11 is preferably aluminum metal, which is light in weight and good in heat-conducting effect. The heat-conducting column 7 transfers the heat on the battery substrate 3 and the circuit board 4 to the heat-conducting plate 11, and then transfers the heat to the energy storage core 10 through the heat-conducting plate 11.

[0021] Among them, a card slot is arranged on the inner wall of the heat dissipation base 8 corresponding to the heat-conducting plate 11, and the heat-conducting plate 11 is limited on the adsorption-desorption bed 9 through the card slot to maintain the pressure of the heat-conducting plate 11 on the adsorption-desorption bed 9. The adsorption-desorption bed 9 and the energy storage core 10 are integrally in a lying block shape, and the sheet-like heat-conducting plate 11 has a large contact area with the adsorption-desorption bed 9, which can enhance the heat-conducting effect.

[0022] A support plate 12 is installed on the central axis of the battery substrate 3, and a support seat 13 is installed along the central axis inside the corresponding housing 14 of the support plate 12. The support plate 12 is fixedly connected to the support seat 13 to support the battery substrate 3, so that there is a gap between the battery substrate 3 and the inner wall of the housing 14, and the heat dissipation structure is installed in the gap. In addition, the support plate 12 supports the battery substrate 3 to ensure the stable installation of the battery substrate 3 in the housing 14.

[0023] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be encompassed by the present invention. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A heat dissipation structure of an electric scooter, characterized in that: The lower surface of the pedal of the electric scooter is fixedly connected to the battery compartment, in which a battery substrate and a circuit board are arranged, and the bottom surfaces of the battery substrate and the circuit board are fixed with heat-conducting columns, and the other ends of the heat-conducting columns are connected to the heat dissipation structure; the heat dissipation structure includes a heat dissipation base installed on the battery compartment shell, the heat dissipation base is flat, and the top of the heat dissipation base is open, and an adsorption and desorption bed is arranged inside the heat dissipation base, and the interior of the adsorption and desorption bed wraps an energy storage core, and the energy storage core is composed of a metal salt water complex; a heat-conducting plate is vertically fixed to the end of the heat-conducting column, and the heat-conducting plate is pressed tightly against the top surface of the adsorption and desorption bed.

2. The heat dissipation structure of the electric scooter according to claim 1, characterized in that: The shell of the battery compartment is divided into a battery partition and a control partition. The battery substrate is installed in the battery partition accordingly, and the circuit board is installed in the control partition accordingly. Heat dissipation bases are installed in the battery partition and the control partition corresponding to the heat-conducting columns.

3. The heat dissipation structure of the electric scooter according to claim 1, characterized in that: A support plate is installed on the central axis of the battery substrate, and a support seat is installed along the central axis in the shell corresponding to the support plate. The support plate is fixedly connected to the support seat to support the battery substrate so that there is a gap between the battery substrate and the inner wall of the shell, and the heat dissipation structure is installed in the gap.

4. The heat dissipation structure of the electric scooter according to claim 1, characterized in that: A clamping groove is provided on the inner wall of the heat dissipation base corresponding to the heat conducting plate, and the heat conducting plate is limited on the adsorption and desorption bed through the clamping groove.

5. The heat dissipation structure of the electric scooter according to claim 1, characterized in that: The energy storage core also includes a supporting framework for fixing the metal salt water complex.

Images