Brake disc dynamic heat dissipation device based on liquid crystal polymer

Abstract

The utility model discloses a brake disc dynamic heat dissipation device based on a liquid crystal polymer, and relates to the technical field of brake disc heat dissipation. The brake disc comprises a connecting shaft, one end of the connecting shaft is fixedly connected with a brake disc body, one side of the brake disc body is fixedly connected with a T-shaped heat dissipation disc, a pressure applying bin is formed in the T-shaped heat dissipation disc, and the pressure applying bin is filled with a liquid crystal polymer body; and a plurality of micro-channels communicating with the pressurizing bin are uniformly formed in the side, close to the brake disc body, of the T-shaped heat dissipation disc. According to the brake disc, the air is input into the pressurizing bin through the pressurizing assembly in advance, so that the air pressure in the pressurizing bin is increased, and the phase change speed is increased due to the fact that the liquid crystal polymer body is stressed; the phase-changed liquid crystal polymer body penetrates through the micro-channel to absorb a large amount of heat on the surface of the brake disc body, the heat is rapidly conducted to the T-shaped heat dissipation disc, and then the T-shaped heat dissipation disc is used for being in contact with external air for heat dissipation.

Description

Technical Field

[0001] The present application relates to the technical field of brake disc heat dissipation, and in particular to a dynamic heat dissipation device for a brake disc based on liquid crystal polymer. Background Art

[0002] Currently, brake disc heat dissipation primarily relies on natural air cooling and static cooling structures. These methods can meet cooling requirements under normal driving conditions. However, under high-intensity or continuous braking, brake disc temperatures rise rapidly, affecting braking performance and even posing safety risks. Therefore, improving the heat dissipation capacity of brake discs under high loads has become a key technological development.

[0003] Existing technologies typically enhance heat dissipation by increasing the thermal conductivity of the brake disc material, designing complex heat sink structures, or using external cooling fans. While these methods can improve heat dissipation to a certain extent, they are limited by complex structures, high costs, and limited improvements in heat dissipation efficiency.

[0004] Traditional cooling solutions often fail to provide sustained and efficient heat dissipation under extreme conditions, and can increase vehicle weight and manufacturing costs. Complex structures also increase maintenance and servicing difficulties. Therefore, it is necessary to explore new materials and technologies to achieve efficient heat dissipation from brake discs under high loads, while also considering cost, weight, and ease of maintenance. Utility Model Content

[0005] The purpose of this application is to solve the problem that traditional heat dissipation solutions, which usually enhance the heat dissipation effect by increasing the thermal conductivity of the brake disc material, designing a complex heat sink structure or using an external cooling fan, cannot provide continuous and efficient heat dissipation under extreme conditions and increase the difficulty of maintenance and servicing. This application provides a dynamic heat dissipation device for brake discs based on liquid crystal polymers.

[0006] In order to achieve the above-mentioned purpose, this application specifically adopts the following technical solutions:

[0007] A dynamic heat dissipation device for a brake disc based on liquid crystal polymer includes a connecting shaft, one end of the connecting shaft is fixedly connected to a brake disc body, one side of the brake disc body is fixedly connected to a T-shaped heat dissipation plate, a pressure chamber is provided inside the T-shaped heat dissipation plate, the interior of the pressure chamber is filled with a liquid crystal polymer body, a plurality of microchannels connected to the pressure chamber are evenly provided on the side of the T-shaped heat dissipation plate close to the brake disc body, an annular pressure plate is slidably connected to the interior of the pressure chamber, the liquid crystal polymer body is installed between the annular pressure plate and the microchannel, and a pressure component is installed at one end of the T-shaped heat dissipation plate.

[0008] By adopting the above technical solution, by setting up the coordinated use of the pressure-applying component with the liquid crystal polymer body and the T-shaped heat sink, it is convenient to input gas into the interior of the pressure chamber through the pressure-applying component in advance, thereby increasing the air pressure inside the pressure chamber, so that the liquid crystal polymer body is accelerated by pressure to accelerate the phase change speed. At the same time, when the surface temperature of the brake disc body rises, the liquid crystal polymer body after the phase change passes through the microchannel to absorb a large amount of heat from the surface of the brake disc body, and quickly transfers the heat to the T-shaped heat sink, and then uses the T-shaped heat sink to contact with the external air for heat dissipation, thereby facilitating the rapid heat dissipation of the brake disc body through the phase change characteristics of the liquid crystal polymer body and the contact between the T-shaped heat sink and the air, effectively reducing the difficulty of maintenance and servicing of the heat dissipation device and improving the practicality of the device.

[0009] Furthermore, the pressurizing component includes an inflation head fixedly connected to one end of the T-shaped heat dissipation plate, one end of the inflation head is provided with a solenoid valve, and one end of the inflation head passes through the T-shaped heat dissipation plate and is inserted into the interior of the pressurizing chamber.

[0010] By adopting the above technical solution and setting up the coordinated use of the inflation head and the solenoid valve, it is convenient to use the solenoid valve and the inflation head to input gas into the pressurized chamber to change the air pressure, thereby using the air pressure to change the phase change speed of the liquid crystal polymer body, thereby effectively improving the practicality of the device.

[0011] Furthermore, a pressurized airbag is fixedly connected to the interior of the pressurized chamber, the annular pressure plate is installed between the pressurized airbag and the liquid crystal polymer body, and one end of the inflation head is communicated with the interior of the pressurized airbag.

[0012] By adopting the above technical solution and arranging the pressurized airbag for use in conjunction with the liquid crystal polymer body, the sealing performance inside the pressurized chamber is improved, thereby enhancing the practicability of the device.

[0013] Furthermore, one end of the T-shaped heat sink is fixedly connected to an air induced plate, and a plurality of air induced blades are evenly fixedly connected to one side of the air induced plate close to the T-shaped heat sink. The plurality of air induced blades are arranged in a circle, and a plurality of exhaust holes are evenly opened on one side of the air induced plate.

[0014] By adopting the above technical solution, by setting the exhaust holes and the coordinated use of the induced draft blades, when the vehicle is started and the induced draft plate is driven to rotate by the connecting shaft, the induced draft blades sweep the air through between the induced draft plate and the T-shaped heat sink and quickly discharge it through the exhaust holes, thereby effectively accelerating the flow rate of air passing through the surface of the T-shaped heat sink and improving the heat dissipation effect of the surface of the T-shaped heat sink.

[0015] Furthermore, multiple groups of heat sinks are evenly arranged at one end of the T-shaped heat sink, and the multiple groups of heat sinks are arranged in a circular shape. The heat sinks are installed between the induced draft plate and the T-shaped heat sink, and the heat sinks include three heat sink fins fixedly connected to one end of the T-shaped heat sink.

[0016] By adopting the above technical solution and arranging the heat dissipation fins for use in conjunction with the T-shaped heat dissipation plate, the heat dissipation area of ​​the surface of the T-shaped heat dissipation plate is effectively increased, further improving the heat dissipation effect of the device.

[0017] Furthermore, the lengths of the three heat dissipation fins are shortened successively, and adjacent heat dissipation fins are arranged in a stepped manner.

[0018] By adopting the above technical solution, by setting the lengths of the three heat sink fins to be shortened successively and the adjacent heat sink fins to be arranged in a stepped manner, the blocking area of ​​the heat sink fins on the air is effectively reduced when the air passes through the heat sink fins and is discharged through the induced draft plate, thereby improving the smoothness of the air flow between the induced draft plate and the T-shaped heat sink.

[0019] Furthermore, one end of the connecting shaft is fixedly connected to a temperature sensor, the temperature sensor has a built-in control chip, and the interior of the pressurized airbag is provided with an air pressure sensor adapted to the temperature sensor.

[0020] By adopting the above technical solution and setting up the coordinated use of temperature sensors and pressure sensors, it is convenient to monitor the temperature of the T-shaped heat sink and the internal air pressure of the pressurized chamber in real time through the control chip, thereby effectively improving the safety of the device.

[0021] Furthermore, the surface of the T-shaped heat sink is coated with a water-based epoxy anti-rust primer layer.

[0022] By adopting the above technical solution and providing a water-based epoxy anti-rust primer layer, the rust resistance of the surface of the T-shaped heat sink is effectively improved, thereby extending the service life of the device.

[0023] In summary, this application has at least one of the following beneficial effects:

[0024] 1. By setting up the coordinated use of the pressure-applying component with the liquid crystal polymer body and the T-shaped heat sink, it is convenient to input gas into the interior of the pressure chamber through the pressure-applying component in advance, thereby increasing the air pressure inside the pressure chamber, causing the liquid crystal polymer body to accelerate the phase change speed under pressure. At the same time, when the surface temperature of the brake disc body rises, the liquid crystal polymer body after the phase change passes through the microchannel to absorb a large amount of heat from the surface of the brake disc body, and quickly transfers the heat to the T-shaped heat sink, which is then used to contact the external air for heat dissipation. In this way, the phase change characteristics of the liquid crystal polymer body and the contact between the T-shaped heat sink and the air are combined to achieve rapid heat dissipation of the brake disc body, effectively reducing the difficulty of maintenance and servicing of the heat dissipation device and improving the practicality of the device.

[0025] 2. By setting up the coordinated use of the exhaust holes and the induced draft blades, when the vehicle is started and the induced draft plate is driven to rotate by the connecting shaft, the induced draft blades sweep the air through between the induced draft plate and the T-shaped radiator and quickly discharge it through the exhaust holes, thereby effectively accelerating the flow rate of air passing through the surface of the T-shaped radiator and improving the heat dissipation effect of the surface of the T-shaped radiator. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the three-dimensional structure of the device body in this application.

[0027] Figure 2 It is a three-dimensional structural exploded diagram of the device body in this application.

[0028] Figure 3 It is a schematic diagram of the internal structure of the pressure chamber in this application.

[0029] Figure 4 It is a schematic diagram of the three-dimensional structure of the heat dissipation fins in this application.

[0030] Description of reference numerals:

[0031] 1. Connecting shaft; 2. Brake disc body; 3. T-shaped heat sink; 4. Pressurized chamber; 5. Liquid crystal polymer body; 6. Microchannel; 7. Annular pressure plate; 8. Inflator head; 9. Solenoid valve; 10. Pressurized airbag; 11. Air induced disc; 12. Air induced blades; 13. Exhaust holes; 14. Heat sink fins; 15. Temperature sensor. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1-4 This application is described in further detail.

[0033] The embodiments of the present application disclose a dynamic heat dissipation device for a brake disc based on liquid crystal polymer.

[0034] Reference Figure 1-Figure 3A dynamic heat dissipation device for a brake disc based on liquid crystal polymer comprises a connecting shaft 1, one end of the connecting shaft 1 is fixedly connected to a brake disc body 2, one side of the brake disc body 2 is fixedly connected to a T-shaped heat dissipation plate 3, a pressure chamber 4 is provided inside the T-shaped heat dissipation plate 3, the interior of the pressure chamber 4 is filled with a liquid crystal polymer body 5, a plurality of microchannels 6 connected to the pressure chamber 4 are evenly provided on the side of the T-shaped heat dissipation plate 3 close to the brake disc body 2, an annular pressure plate 7 is slidably connected to the interior of the pressure chamber 4, the liquid crystal polymer body 5 is installed between the annular pressure plate 7 and the microchannel 6, and a pressure component is installed at one end of the T-shaped heat dissipation plate 3;

[0035] The pressure component includes an air filling head 8 fixedly connected to one end of the T-shaped heat sink 3, an electromagnetic valve 9 is provided at one end of the air filling head 8, and one end of the air filling head 8 passes through the T-shaped heat sink 3 and is inserted into the interior of the pressure chamber 4;

[0036] Moreover, a pressurized airbag 10 is fixedly connected to the interior of the pressurized chamber 4 , the annular pressure plate 7 is installed between the pressurized airbag 10 and the liquid crystal polymer body 5 , and one end of the inflation head 8 is connected to the interior of the pressurized airbag 10 .

[0037] During use, first, when friction is applied to the brake disc body 2 to brake and decelerate, the surface temperature of the brake disc body 2 rises due to friction, and at the same time, the T-shaped heat dissipation plate 3 is in direct contact with the brake disc body 2, so that the surface temperature of the brake disc body 2 is directly transferred to the T-shaped heat dissipation plate 3, and the liquid crystal polymer body 5 inside the pressure chamber 4 undergoes a phase change as the temperature of the T-shaped heat dissipation plate 3 increases, thereby causing the liquid crystal polymer body 5 to transform from a solid state to a liquid state, and at the same time, the liquid liquid crystal polymer body 5 passes through the microchannel 6 and comes into direct contact with the brake disc body 2, thereby causing the liquid crystal polymer body 5 to absorb a large amount of heat from the surface of the brake disc body 2, and quickly conduct the heat to the T-shaped heat dissipation plate 3, and contact with the external air through the T-shaped heat dissipation plate 3 for rapid heat dissipation. In this way, the phase change characteristics of the liquid crystal polymer body 5 and the contact between the T-shaped heat dissipation plate 3 and the air are combined to achieve rapid heat dissipation of the brake disc body 2, effectively reducing the difficulty of maintenance and servicing of the heat dissipation device and improving the practicality of the device.

[0038] And when intense riding is required, the external air pump can be opened by opening the solenoid valve 9, and gas can be input into the pressurized airbag 10 through the inflation head 8, so that the pressurized airbag 10 will expand and deform inside the pressurized chamber 4, and then the pressurized airbag 10 will push the annular pressure plate 7 to slide along the inner wall of the pressurized chamber 4, and at the same time, the annular pressure plate 7 will squeeze the liquid crystal polymer body 5, change the molecular arrangement state inside the liquid crystal polymer body 5, and accelerate the phase change process of the liquid crystal polymer body 5, so as to maintain the high phase change conversion state of the liquid crystal polymer body 5, further improve the efficiency of the brake disc body 2 to transfer heat to the T-shaped heat sink 3 through the liquid crystal polymer body 5, and improve the heat dissipation effect of the device.

[0039] Reference Figure 2-Figure 4 One end of the T-shaped heat sink 3 is fixedly connected to an air induced plate 11, and a plurality of air induced blades 12 are evenly fixedly connected to the side of the air induced plate 11 close to the T-shaped heat sink 3. The plurality of air induced blades 12 are arranged in a circular shape, and a plurality of exhaust holes 13 are evenly opened on one side of the air induced plate 11;

[0040] Among them, one end of the T-shaped heat sink 3 is evenly provided with multiple groups of heat sinks, which are arranged in a circular shape and installed between the induced draft plate 11 and the T-shaped heat sink 3. The heat sink includes three heat sink fins 14 fixedly connected to one end of the T-shaped heat sink 3;

[0041] Furthermore, the lengths of the three heat dissipation fins 14 are shortened sequentially, and adjacent heat dissipation fins 14 are arranged in a stepped manner.

[0042] When in use, first, when the connecting shaft 1 drives the brake disc body 2, the T-shaped heat sink 3, and the air induced plate 11 to rotate, the air induced plate 11 drives the multiple air induced blades 12 to rotate rapidly with the brake disc body 2 as the center of the circle, and at the same time, the air induced blades 12 sweep the external air to accelerate the air into the space between the air induced plate 11 and the T-shaped heat sink 3, and complete the contact heat exchange with the surface of the T-shaped heat sink 3, and then quickly discharge the heat-exchanged air through the exhaust holes 13, thereby effectively accelerating the heat dissipation effect of the surface of the T-shaped heat sink 3;

[0043] When the induced draft blades 12 sweep the air into between the induced draft plate 11 and the T-shaped heat sink 3, the contact area between the surface of the T-shaped heat sink 3 and the air is effectively increased by setting the heat dissipation fins 14, thereby further improving the heat dissipation effect of the surface of the T-shaped heat sink 3. At the same time, adjacent heat dissipation fins 14 are arranged in a stepped manner, so that the air passes through the adjacent heat dissipation fins 14 more smoothly, reducing the obstruction of the heat dissipation fins 14 to the air flow path, and further improving the heat dissipation effect of the device.

[0044] Reference Figure 1-Figure 3 One end of the connecting shaft 1 is fixedly connected to a temperature sensor 15 , the temperature sensor 15 has a built-in control chip, and the interior of the pressurized airbag 10 is provided with an air pressure sensor adapted to the temperature sensor 15 .

[0045] During use, the temperature sensor 15 and the pressure sensor are first set to monitor the working temperature of the T-shaped heat sink 3 and the working pressure inside the pressurized chamber 4 in real time. When the working temperature of the T-shaped heat sink 3 and the internal working pressure of the pressurized chamber 4 exceed the set range, a danger prompt is sent to the user's mobile terminal through the control chip, thereby effectively improving the safety of the device.

[0046] Reference Figure 1 and Figure 2The surface of the T-shaped heat sink 3 is coated with a water-based epoxy anti-rust primer layer.

[0047] During use, a water-based epoxy anti-rust primer layer is coated on the surface of the T-shaped heat sink 3, so that a waterproof protective layer is formed on the surface of the T-shaped heat sink 3, which effectively improves the rust resistance of the surface of the T-shaped heat sink 3 and extends the service life of the T-shaped heat sink 3.

[0048] The implementation principle of the liquid crystal polymer brake disc dynamic heat dissipation device of this embodiment is as follows: first, when the connecting shaft 1 drives the brake disc body 2, the T-shaped heat dissipation plate 3, and the air induced plate 11 to rotate, the air induced plate 11 drives the multiple air induced blades 12 to rotate rapidly with the brake disc body 2 as the center. At the same time, the air induced blades 12 sweep the external air and accelerate it into the space between the air induced plate 11 and the T-shaped heat dissipation plate 3, and complete heat exchange with the surface of the T-shaped heat dissipation plate 3. The heated air is then quickly discharged through the exhaust holes 13.

[0049] Then, when friction is applied to the brake disc body 2 to brake and decelerate, the surface temperature of the brake disc body 2 rises due to friction. At the same time, the surface temperature of the brake disc body 2 is directly transferred to the T-shaped heat dissipation plate 3 through the direct contact with the brake disc body 2. As the temperature of the T-shaped heat dissipation plate 3 increases, the liquid crystal polymer body 5 inside the pressure chamber 4 undergoes a phase change, thereby converting the liquid crystal polymer body 5 from a solid state to a liquid state. At the same time, the liquid liquid crystal polymer body 5 passes through the microchannel 6 and comes into direct contact with the brake disc body 2. As a result, the liquid crystal polymer body 5 absorbs a large amount of heat from the surface of the brake disc body 2 and quickly conducts the heat to the T-shaped heat dissipation plate 3. The heat is then contacted with the external air through the T-shaped heat dissipation plate 3 for rapid heat dissipation.

[0050] And when intense riding is required, the external air pump can be opened by opening the solenoid valve 9, and gas can be input into the pressurized airbag 10 through the inflation head 8, so that the pressurized airbag 10 will expand and deform inside the pressurized chamber 4, and then the pressurized airbag 10 will push the annular pressure plate 7 to slide along the inner wall of the pressurized chamber 4, and at the same time, the annular pressure plate 7 will squeeze the liquid crystal polymer body 5, change the molecular arrangement state inside the liquid crystal polymer body 5, and accelerate the phase change process of the liquid crystal polymer body 5, so as to maintain the high phase change conversion state of the liquid crystal polymer body 5, and further improve the efficiency of the brake disc body 2 in transferring heat to the T-shaped heat sink 3 through the liquid crystal polymer body 5.

Claims

1. A dynamic heat dissipation device for a brake disc based on liquid crystal polymer, comprising a connecting shaft (1), characterized in that: One end of the connecting shaft (1) is fixedly connected to a brake disc body (2), one side of the brake disc body (2) is fixedly connected to a T-shaped heat sink (3), a pressure chamber (4) is provided inside the T-shaped heat sink (3), the pressure chamber (4) is filled with a liquid crystal polymer body (5), a plurality of microchannels (6) connected to the pressure chamber (4) are evenly provided on one side of the T-shaped heat sink (3) close to the brake disc body (2), the pressure chamber (4) is slidably connected to an annular pressure plate (7), the liquid crystal polymer body (5) is installed between the annular pressure plate (7) and the microchannel (6), and a pressure component is installed at one end of the T-shaped heat sink (3).

2. The dynamic heat dissipation device for brake discs based on liquid crystal polymer according to claim 1, characterized in that: The pressure-applying assembly comprises an air charging head (8) fixedly connected to one end of a T-shaped heat dissipation plate (3), one end of the air charging head (8) is provided with an electromagnetic valve (9), and one end of the air charging head (8) passes through the T-shaped heat dissipation plate (3) and is inserted into the interior of the pressure-applying chamber (4).

3. The dynamic heat dissipation device for brake discs based on liquid crystal polymer according to claim 2, characterized in that: The interior of the pressurized chamber (4) is fixedly connected to a pressurized airbag (10), the annular pressure plate (7) is installed between the pressurized airbag (10) and the liquid crystal polymer body (5), and one end of the inflation head (8) is connected to the interior of the pressurized airbag (10).

4. The dynamic heat dissipation device for brake discs based on liquid crystal polymer according to claim 1, characterized in that: One end of the T-shaped heat sink (3) is fixedly connected to an air induced plate (11), and a side of the air induced plate (11) close to the T-shaped heat sink (3) is evenly fixedly connected to a plurality of air induced blades (12), the plurality of air induced blades (12) are arranged in a circular shape, and a plurality of exhaust holes (13) are evenly opened on one side of the air induced plate (11).

5. The dynamic heat dissipation device for brake discs based on liquid crystal polymer according to claim 1, characterized in that: One end of the T-shaped heat sink (3) is evenly provided with a plurality of heat sinks, the plurality of heat sinks are arranged in a circular shape, and the heat sinks are installed between the air induction plate (11) and the T-shaped heat sink (3), and the heat sinks include three heat sink fins (14) fixedly connected to one end of the T-shaped heat sink (3).

6. The dynamic heat dissipation device for brake discs based on liquid crystal polymer according to claim 5, characterized in that: The lengths of the three heat dissipation fins (14) are shortened successively, and adjacent heat dissipation fins (14) are arranged in a stepped manner.

7. The dynamic heat dissipation device for brake discs based on liquid crystal polymer according to claim 3, characterized in that: One end of the connecting shaft (1) is fixedly connected to a temperature sensor (15), the temperature sensor (15) has a built-in control chip, and the interior of the pressurized airbag (10) is provided with an air pressure sensor adapted to the temperature sensor (15).

8. The dynamic heat dissipation device for brake discs based on liquid crystal polymer according to claim 1, characterized in that: The surface of the T-shaped heat sink (3) is coated with a water-based epoxy anti-rust primer layer.

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