CN219981426U

CN219981426U - Heat dissipation mechanism of electric wheelchair driver

Info

Publication number: CN219981426U
Application number: CN202321583929.2U
Authority: CN
Inventors: 陈荣首; 姜建华; 胡云涛
Original assignee: Zhilian Technology Shanghai Co ltd
Current assignee: Zhilian Technology Shanghai Co ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-11-07
Anticipated expiration: 2033-06-20

Abstract

The utility model discloses a heat dissipation mechanism of an electric wheelchair driver, which belongs to the technical field of heat dissipation mechanisms and comprises a shell, wherein a plurality of mounting columns are fixedly arranged in the shell, threaded holes are formed in the mounting columns, a plurality of heat dissipation grooves are formed in two ends of the shell, and a groove is formed in the upper end of the shell. According to the utility model, the heat conduction silica gel sheet is in contact with the central heat dissipation part of the driver, gaps between the heat conduction silica gel sheet and the contact part of the driver are filled for full heat conduction, the heat conduction plate rapidly guides heat to the heat dissipation plate, and then the heat of the driver is dissipated through the fins on the heat dissipation plate, so that the heat of the driver is directly led out and dissipated, internal heat accumulation is avoided, cold air is led in and led out through the air grooves at the two ends for air cooling and dissipation, and the first filter plate and the second filter plate ensure air filtration and simultaneously enable air to circulate for internal cooling and dissipation, and various modes of heat dissipation are realized, so that the integral heat dissipation effect is ensured.

Description

Heat dissipation mechanism of electric wheelchair driver

Technical Field

The utility model relates to the technical field of heat dissipation mechanisms, in particular to a heat dissipation mechanism of an electric wheelchair driver.

Background

The electric wheelchair is formed by superposing components such as a high-performance power driving device, an intelligent operating device, a battery and the like on the basis of the traditional manual wheelchair, the electric wheelchair is required to be driven by a driver, the driver supplies power to the wheelchair, the electric wheelchair is enabled to walk, heat is generated when the driver runs, heat is required to be dissipated through a heat dissipation mechanism, and overheating of the driver is avoided.

However, the existing heat dissipation mechanism of the electric wheelchair driver dissipates heat through the heat dissipation fins, the heat dissipation mode is single, the heat dissipation effect is poor, the heat accumulation in the driver is serious, and the normal operation of the driver is affected.

Disclosure of Invention

The utility model aims to provide a heat dissipation mechanism of an electric wheelchair driver, which aims to solve the problems that the heat dissipation mechanism of the electric wheelchair driver is mainly used for dissipating heat through heat dissipation fins, the heat dissipation mode is single, the heat dissipation effect is poor, and the heat accumulation in the driver is serious and the normal operation of the driver is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an electronic wheelchair driver cooling mechanism, includes the casing, the inside fixed mounting of casing has a plurality of erection columns, screw hole is seted up to the inside of erection column, and a plurality of erection columns and device of casing are buckled the installation, a plurality of radiating grooves are seted up at the both ends of casing, and a plurality of radiating grooves at casing both ends assist the whole heat dissipation of casing, the upper end of casing sets up the groove, install the heat-conducting plate in the inslot card of casing upper end, the laminating of the bottom of heat-conducting plate is connected with the heat conduction silica gel piece, bolted connection fin on the heat-conducting plate, connect a plurality of fins on the fin, through the heat conduction silica gel piece with the central radiating part contact of driver, will pack with the space of driver contact part, fully conduct heat, the heat conduction plate will heat fast direction fin on, and then dispel the heat through a plurality of radiating fins on, and then direct export the heat of driver to avoid inside heat accumulation, the both ends of casing all have seted up the wind groove, one end be connected with the installation piece on the wind groove, one side opening of installation piece is connected with the heat conduction silica gel piece, the first air-cooled filter plate, the second air-cooled down air filter plate is guaranteed to circulate through the first air-cooled down, and the air-cooled down bolt, and the inside the air-cooled down effect is guaranteed to circulate the whole.

As a further scheme of the utility model: the plurality of mounting columns are arranged on the same horizontal plane, the mounting columns are made of copper materials, the shell is mounted at multiple points through the plurality of mounting columns, and the mounting columns made of copper materials are convenient for assisting in heat conduction.

As a further scheme of the utility model: the heat dissipation grooves are arranged on the shell at equal intervals, are arc-shaped, the heat dissipation area of the shell is increased through the heat dissipation grooves at equal intervals, and the arc-shaped heat dissipation grooves are convenient for air flow circulation and cool and dissipate heat.

As a further scheme of the utility model: the fins are arranged in parallel, the upper ends of the fins are connected with upper sheets, an air flow passage is formed between the parallel fins, cooling air flow is convenient to pass through, the upper sheets on the fins are protected from cutting, and meanwhile heat dissipation contact area is increased.

As a further scheme of the utility model: the installation piece internally mounted has a plurality of air ducts, the internally mounted of air duct has the fan, carries out the installation of air duct in the installation piece, and inside fan passes through external power supply and starts, and the air duct leads the air current, increases the circulation heat dissipation of air current, carries out initiative forced air cooling heat dissipation, further increases radiating efficiency.

As a further scheme of the utility model: the wind groove end of casing one side is connected with a plurality of deflector, and is a plurality of deflector symmetry slope sets up, and a plurality of deflector carry out both sides direction with initiative air current, let cooling air current evenly distributed in the casing, increase cooling efficiency.

As a further scheme of the utility model: guide blocks are fixedly connected to the two sides of the shell, are concave and are installed, guided and positioned through the guide blocks on the two sides of the shell, so that the shell can be installed quickly.

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

1. according to the utility model, the heat conduction silica gel sheet is in contact with the central heat dissipation part of the driver, gaps between the heat conduction silica gel sheet and the contact part of the driver are filled for full heat conduction, the heat is rapidly guided to the heat dissipation sheet by the heat conduction plate, and then the heat of the driver is directly led out through the fins on the heat dissipation sheet, and is dissipated, so that internal heat accumulation is avoided, cold air is led in and led out by the air grooves at the two ends for air cooling and heat dissipation, and the first filter plate and the second filter plate ensure air filtration and simultaneously enable air to circulate for internal cooling and heat dissipation, so that the heat dissipation in various modes is realized, and the integral heat dissipation effect is ensured.

2. According to the utility model, the plurality of air ducts are internally arranged through the mounting block, the fans are internally arranged in the air ducts, the air ducts are mounted through the mounting block, the internal fans are started through power supply of an external power supply, the air ducts guide air flow, so that air flow circulation and heat dissipation are increased, active air cooling and heat dissipation are performed, and heat dissipation efficiency is further increased.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic view of the overall explosive structure of the present utility model;

fig. 4 is a schematic bottom perspective view of the present utility model.

In the figure: 1. a housing; 2. a mounting column; 3. a heat sink; 4. a heat conductive plate; 5. a thermally conductive silicone sheet; 6. a heat sink; 7. a fin; 8. an upper sheet; 9. a wind groove; 10. a mounting block; 11. a first filter plate; 12. an air duct; 13. a blower; 14. a guide plate; 15. a second filter plate; 16. and a guide block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

This embodiment;

referring to fig. 1-4, in an embodiment of the utility model, a heat dissipation mechanism of an electric wheelchair driver includes a housing 1, a plurality of mounting posts 2 are fixedly mounted in the housing 1, the plurality of mounting posts 2 are disposed on the same horizontal plane, the mounting posts 2 are made of copper material, the housing 1 is mounted at multiple points through the plurality of mounting posts 2, the mounting posts 2 made of copper material facilitate auxiliary heat conduction, screw holes are formed in the mounting posts 2, the plurality of mounting posts 2 in the housing 1 are buckled with the device, a plurality of heat dissipation grooves 3 are formed at two ends of the housing 1, the plurality of heat dissipation grooves 3 are equidistantly disposed on the housing 1, the heat dissipation grooves 3 are arc-shaped, the heat dissipation area of the housing 1 is increased through the plurality of equidistant heat dissipation grooves 3, the arc-shaped heat dissipation grooves 3 facilitate airflow circulation for cooling and heat dissipation, the plurality of heat dissipation grooves 3 at two ends of the housing 1 assist the whole heat dissipation of the housing 1, the upper end of the shell 1 is provided with a groove, a heat conducting plate 4 is clamped in the groove at the upper end of the shell 1, the bottom of the heat conducting plate 4 is connected with a heat conducting silica gel sheet 5 in an attaching way, the heat conducting plate 4 is connected with a radiating fin 6 through bolts, the radiating fin 6 is connected with a plurality of fins 7, the heat conducting silica gel sheet 5 is contacted with the central radiating part of the driver, gaps at the contact part of the heat conducting silica gel sheet 5 and the driver are filled for full heat conduction, the heat conducting plate 4 guides heat to the radiating fin 6 rapidly, and then the fins 7 on the radiating fin 6 are used for radiating the heat of the driver, the heat of the driver is led out directly and radiated, internal heat accumulation is avoided, the two ends of the shell 1 are respectively provided with an air groove 9, one end of the air groove 9 is connected with a mounting block 10, one side of the mounting block 10 is connected with a first filter plate 11 through an opening bolt, the other side of the air groove 9 is connected with a second filter plate 15 through bolts, the air grooves 9 at two ends are used for guiding cold air in and out for air cooling and radiating, and the first filter plate 11 and the second filter plate 15 ensure air filtration and simultaneously enable air to circulate for internal cooling and radiating, so that various modes are used for radiating, and the overall radiating effect is ensured.

Preferably, as shown in fig. 3, the fins 7 are arranged in parallel, the upper ends of the fins 7 are connected with the upper sheets 8, and an airflow circulation channel is formed between the parallel fins 7, so that cooling airflow can conveniently pass through the fins, the upper sheets 8 on the fins 7 are protected from top ends, the situation of cutting the fins 7 is avoided, and meanwhile, the heat dissipation contact area is increased.

Preferably, as shown in fig. 3, the installation block 10 is internally provided with a plurality of air guide cylinders 12, the air guide cylinders 12 are internally provided with fans 13, the air guide cylinders 12 are installed through the installation block 10, the internal fans 13 are started through the power supply of an external power supply, the air guide cylinders 12 guide air flow, the circulation of the air flow is increased, the heat dissipation of active air cooling is performed, and the heat dissipation efficiency is further increased.

Preferably, as shown in fig. 4, the end of the air duct 9 at one side of the casing 1 is connected with a plurality of guide plates 14, the plurality of guide plates 14 are symmetrically and obliquely arranged, and the plurality of guide plates 14 guide the active air flow at two sides, so that the cooling air flow is uniformly distributed in the casing 1, and the cooling efficiency is increased.

Preferably, as shown in fig. 1, the two sides of the casing 1 are fixedly connected with guide blocks 16, the guide blocks 16 are concave, and the installation, guiding and positioning are performed through the guide blocks 16 on the two sides of the casing 1, so that the casing 1 is convenient to install quickly.

The working principle of the utility model is as follows: the inside a plurality of erection columns 2 of casing 1 carries out the lock installation with the device, heat conduction silica gel piece 5 and the central heat dissipation position contact of driver, the space that will contact the position with the driver is filled through heat conduction silica gel piece 5, fully heat conduction carries out, heat conduction board 4 is with the quick direction fin 6 of heat, and then dispel the heat through a plurality of fins 7 on the fin 6, and then direct derivation of heat with the driver, and carry out the heat dissipation, avoid inside heat accumulation, the wind groove 9 at both ends is leading-in and leading-out of cold air, carry out the forced air cooling heat dissipation, let the air circulation when guaranteeing air filtration in first filter 11 and second filter 15, carry out the internal cooling heat dissipation, multiple mode heat dissipation, guarantee whole radiating effect.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an electronic wheelchair driver cooling mechanism, includes casing (1), its characterized in that: the inside fixed mounting of casing (1) has a plurality of erection columns (2), screw hole is seted up to the inside of erection column (2), a plurality of radiating grooves (3) are seted up at the both ends of casing (1), the upper end of casing (1) is seted up the groove, install heat-conducting plate (4) are gone into to the card in the groove of casing (1) upper end, the laminating of the bottom of heat-conducting plate (4) is connected with heat conduction silica gel piece (5), bolted connection fin (6) on heat-conducting plate (4), connect a plurality of fins (7) on fin (6), wind groove (9) have all been seted up at the both ends of casing (1), one end be connected with installation piece (10) on wind groove (9), one side opening bolted connection of installation piece (10) has first filter (11), the opposite side wind groove (9) bolted connection second filter (15).

2. The electric wheelchair driver heat dissipation mechanism of claim 1 wherein: the mounting posts (2) are arranged on the same horizontal plane, and the mounting posts (2) are made of copper materials.

3. The electric wheelchair driver heat dissipation mechanism of claim 1 wherein: the plurality of radiating grooves (3) are equidistantly arranged on the shell (1), and the radiating grooves (3) are arc-shaped.

4. The electric wheelchair driver heat dissipation mechanism of claim 1 wherein: the fins (7) are arranged in parallel, and upper sheets (8) are connected to the upper ends of the fins (7).

5. The electric wheelchair driver heat dissipation mechanism of claim 1 wherein: the installation block (10) internally provided with a plurality of air ducts (12), and the air ducts (12) internally provided with fans (13).

6. The electric wheelchair driver heat dissipation mechanism as defined in claim 5 wherein: the wind groove (9) end at one side of the shell (1) is connected with a plurality of guide plates (14), and the guide plates (14) are symmetrically and obliquely arranged.

7. The electric wheelchair driver heat dissipation mechanism of claim 1 wherein: guide blocks (16) are fixedly connected to the two sides of the shell (1), and the guide blocks (16) are concave.