Quick release mechanism of driving circuit of quadruped robot and quick release method of driving circuit

Abstract

The application relates to a quick dismounting mechanism of a four-legged robot driving circuit and a quick dismounting method of the driving circuit. The dismounting mechanism comprises a trunk and a driving circuit device, the driving circuit device is located in the trunk, the trunk is provided with a battery compartment and a detachable movable frame, the driving circuit device is detachably mounted on the surface of the movable frame, the trunk is provided with a movable opening, and the movable frame can enter the trunk from the movable opening. The circuit board is mounted on the movable frame, and the original robot shell dismounting is replaced by the movable frame pulling-out mode, so that the time required for dismounting and mounting the circuit device is greatly reduced, the replacement space of the circuit device is moved to the outside of the robot trunk, the operation space is wider relative to the inside of the trunk, and the circuit device is more convenient to replace.

Description

Technical Field

[0001] This invention relates to the field of robotics, specifically to a quick assembly and disassembly mechanism for the drive circuit of a quadruped robot. Background Technology

[0002] Quadruped robots, also known as legged robots, are a type of robot that mimics the leg movements of humans or animals to move.

[0003] Currently, the drive circuit of a robot is generally installed inside the body along with the battery. The drive circuit is mainly used to receive instructions and process data, coordinate the normal activities of the attached equipment on the robot, and perform data calculations during movement to control the robot to avoid obstacles, perform specific actions, and travel along a prescribed route, meeting the needs of all-weather operation.

[0004] During the robot's development process, it is necessary to frequently replace the robot's circuit components, especially when replacing the robot's onboard functional devices (such as webcams, high-intensity lights, and 3D laser scanners), which requires adjustments to the internal drive circuitry. Furthermore, the drive circuitry also needs frequent adjustments during robot testing.

[0005] The drive circuit is located inside the robot's torso. The operator needs to open the robot's outer cover and replace the drive circuit that is fixed to the inner wall of the torso.

[0006] Therefore, the following problems exist during the replacement, adjustment, and repair of the drive circuit:

[0007] 1. The robot's outer shell needs to be disassembled. Due to sealing requirements, the disassembly process is relatively complicated. Frequent disassembly and reassembly of the outer shell will consume a lot of time.

[0008] 2. The drive circuit is fixed inside the robot's torso. The torso's shell can easily block the drive circuit, making it difficult to remove and replace some circuit boards located in the corners.

[0009] 3. When circuit boards are stacked, some circuit boards may lack mounting positions, and the vibrations generated by the robot during its activities can easily cause components to fall off.

[0010] 4. When the drive circuit operates inside the body, it will generate a lot of heat. If it is not dissipated in time, it will easily cause the circuit components to burn out. Summary of the Invention

[0011] The purpose of this invention is to provide a quick assembly and disassembly mechanism for the drive circuit of a quadruped robot. By mounting the circuit board on a movable frame and removing it by pulling out the movable frame, the original robot shell assembly and disassembly can be replaced, which greatly reduces the time required for replacing circuit components. The replacement space for circuit components is moved to the outside of the robot body, and the operating space is more open than the inside of the body, making the replacement of circuit components more convenient.

[0012] To achieve the above-mentioned objectives, the present invention employs the following two technical solutions:

[0013] Solution 1: A quick assembly / disassembly mechanism for a quadruped robot drive circuit, comprising a torso and a drive circuit device, the drive circuit device being located inside the torso, the torso having a battery compartment and a detachable movable frame, the drive circuit device being detachably mounted on the surface of the movable frame, the torso having an access port, the movable frame being able to enter the interior of the torso through the access port.

[0014] The quick assembly and disassembly method for the quadruped robot drive circuit corresponding to Scheme 1 includes the following steps:

[0015] 1) Install the drive circuit device on the movable frame;

[0016] 2) Pass the wires of the drive circuit device through the wire groove, so that the wires are facing the end interface;

[0017] 3) Place the battery into the battery compartment, and connect the drive circuit wires to the battery from the end interface;

[0018] 4) Align the movable frame with the movable opening, insert it into the torso of the quadruped robot, and lock it in place to complete the assembly steps of the drive circuit device;

[0019] 5) Unlock the movable frame and remove it from the movable opening in the quadruped robot's torso;

[0020] 6) Replace the drive circuit device, adjust the wire connections, and re-insert the movable frame with the replaced drive circuit device into the torso to complete the disassembly and reassembly of the drive circuit device.

[0021] Compared with the prior art, the quick assembly and disassembly mechanism and method for the quadruped robot drive circuit using the above-mentioned technical solution 1 have the following beneficial effects:

[0022] First, the drive circuit device that needs to be frequently disassembled and replaced is placed on the movable frame. Each time the drive circuit device needs to be replaced, only the movable frame needs to be disassembled and removed, avoiding the disassembly and assembly of the entire machine casing and saving the time required for disassembly and assembly.

[0023] 2. The circuit board of the drive circuit device is installed on the outer surface of the movable frame. When the circuit board is replaced, the hand operation is not obstructed, making it more convenient and faster.

[0024] Third, the movable frame provides ample mounting surface for the circuit boards, allowing all circuit boards to be arranged on the surface of the movable frame to avoid phenomena such as circuit board stacking. At the same time, the circuit boards are mounted on the surface of the movable frame with fasteners, which can effectively improve stability and prevent the circuit boards from falling off due to vibrations caused by robot movement.

[0025] IV. In the preferred embodiment, the mobile frame includes a frame body and a movable plate. The frame body can be fitted onto the outer surface of the battery compartment. The drive circuit device includes a central electrical component, which is fixed to the movable plate. A heat dissipation slot is also provided on the torso. The heat dissipation slot is located in the middle of the torso. A central cooling fan can be inserted into the heat dissipation slot. The fan in the slot dissipates the heat of the central electrical component, preventing heat accumulation during robot operation and thus preventing the drive circuit device from burning out due to overheating.

[0026] V. In the preferred embodiment, the movable frame is equipped with a wiring groove, and the battery compartment includes a terminal interface for connecting wires to the battery. The wires of the drive circuit device can pass through the wiring groove and connect to the terminal interface. The operator can pre-install all the drive circuit devices on the movable frame. The wires of the drive circuit device pass through the wiring groove and connect to the terminal interface, and finally connect to the battery. After the connection is completed, the movable frame can be inserted into the battery compartment to complete the step of placing the drive circuit device into the robot body.

[0027] The battery insertion port and movable opening can be located in multiple places, such as vertically or horizontally on the robot's torso. For ease of installation, the battery insertion port and movable opening are located on two opposite side walls of the torso. The battery insertion and movable frame placement processes are horizontal, making it easier for the operator to remove the battery or movable frame. If the battery insertion port and movable opening were located vertically (on the robot's back and abdomen), the operator would need to move objects onto the robot's back, elevate the robot beneath them for operation, or tip the robot over, which would be inconvenient. Therefore, the two side walls of the torso are chosen.

[0028] Preferably, the heat dissipation slot is located between the movable plate and the battery compartment. In addition to dissipating heat from the central electrical appliances, the heat dissipation slot can also remove heat generated by the battery in the battery compartment.

[0029] Solution 2: On the basis of Solution 1, it is further specified that the movable frame is in an "冂" shape. The movable frame includes two vertically and oppositely arranged movable middle plates. A folding plate is connected between the movable middle plate and the movable frame. The distance between the two movable middle plates can be enlarged / reduced by the folding plate. A pressing structure is provided between the movable middle plate and the torso, and the pressing structure is used to press the movable middle plate against the heat dissipation slot. The pressing structure includes a pressure-receiving block and an extrusion block. The extrusion block is fixed to the torso, and the pressure-receiving block is located on the outer surface of the movable middle plate. Two rotating shafts are provided at both ends of the folding plate, and the rotating shafts are respectively rotatably connected to the movable frame and the top of the movable middle plate.

[0030] A fast disassembly and assembly method for a quadruped robot drive circuit, based on the drive circuit fast disassembly and assembly mechanism described in Solution 2, includes the following steps:

[0031] 1) Install the drive circuit device on the movable frame;

[0032] 2) Pass the wires of the drive circuit device through the wire slot so that the wires face the end interface;

[0033] 3) Place the battery into the battery compartment, and connect the wires of the drive circuit device to the battery from the end interface;

[0034] 4) Align the movable frame with the movable opening and insert it into the torso of the quadruped robot.

[0035] 5) During the insertion process, align the pressure-receiving block with the extrusion block, and push the movable frame forcefully so that the movable middle plate presses towards the heat dissipation slot, and the thermal conductive silicone is closely attached to the heat conductor.

[0036] 6) After the electrical appliance in the middle works and heats up, the thermal conductive silicone deforms and completely fills the gap.

[0037] Compared with the prior art, the quadruped robot drive circuit fast disassembly and assembly mechanism and disassembly and assembly method adopting the above technical solution 2 have the following beneficial effects:

[0038] First, by adopting the above pressing structure, during the insertion of the movable plate, the torso can squeeze the movable middle plate, firmly fixing and fitting the movable middle plate against the side wall of the movable compartment. If not tightly attached, it is easy to leave a gap between the movable middle plate and the side wall of the battery compartment. During the movement of the robot, the movable middle plate hits the side wall of the battery compartment, generating additional vibrations, which are transmitted to the components on the circuit board, causing damage to the drive circuit device.

[0039] Second, when the movable middle plate is closely attached to the battery compartment, there is no longer a gap between the two, the heat transfer efficiency is higher, and the heat dissipation effect is better.

[0040] Thirdly, in the preferred embodiment, a heat conductor is provided on the side of the heat dissipation slot facing the movable plate, and thermally conductive silicone is provided on the side of the movable plate facing the heat dissipation slot. When the movable frame is fully inserted into the body, the pressing block presses against the pressure block, causing the movable plate to press against the heat dissipation slot, and the thermally conductive silicone adheres tightly to the heat conductor. After the movable plate is tightly attached to the battery compartment, the gaps are filled with thermally conductive silicone, resulting in faster heat conduction. Attached Figure Description

[0041] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of the quick assembly and disassembly mechanism for the quadruped robot drive circuit of the present invention.

[0042] Figure 2 This is a structural diagram of the quick assembly / disassembly mechanism in Example 1 (with the movable frame installed in place).

[0043] Figure 3 This is a schematic diagram of the quick assembly / disassembly mechanism in Example 1.

[0044] Figure 4 This is a schematic diagram of the installation of the central cooling fan in Example 1.

[0045] Figure 5 This is a schematic diagram of the installation of the central cooling fan in Example 1.

[0046] Figure 6 This is a schematic diagram of the movable frame in Example 2.

[0047] Figure 7 This is a schematic diagram of the clamping structure in Example 2.

[0048] Figure 8 This is a schematic diagram of the clamping structure in Example 2.

[0049] Reference numerals: 01, Central electrical appliance; 02, Side electrical appliance; 1, Body; 10, Battery compartment; 11, Battery compartment middle plate; 12, Battery insertion port; 13, End interface; 14, Movable opening; 2, Movable frame; 20, Frame body; 21, Middle middle plate; 210, Thermal conductive silicone; 22, Movable side plate; 23, Cable routing channel; 31, Cooling fan (central cooling fan); 310, Heat conductor; 32, Side cooling fan; 41, Heat dissipation slot; 5, Angle plate; 50, Rotating shaft; 6, Pressure block; 61, First pressure block; 62, Second pressure block; 63, Third pressure block; 7, Extrusion block. Detailed Implementation

[0050] To further illustrate the technical means and effects of the present invention in achieving its intended purpose, the following detailed description of the specific implementation methods, structures, features, and effects of the present invention, in conjunction with the accompanying drawings and preferred embodiments, is provided below.

[0051] Example 1:

[0052] A quick assembly / disassembly mechanism for a quadruped robot drive circuit includes a torso 1 and a drive circuit device. The drive circuit device is located inside the torso 1. The torso 1 has a battery compartment 10 and a detachable movable frame 2. The drive circuit device is detachably mounted on the outer surface of the movable frame 2. The torso 1 has an access port 14 through which the movable frame 2 can enter the interior of the torso 1. The battery compartment 10 has a battery insertion port 12 through which a battery is inserted into the battery compartment.

[0053] See Figure 1 and Figure 3 The battery inlet 12 and the movable opening 14 are located on two opposite side walls of the torso 1, making it easier to access the movable frame 2 and the battery (compared to having two openings on the abdomen and back).

[0054] See Figure 1 The movable frame 2 is provided with a wire channel 23, and the battery compartment 10 includes a terminal interface 13 for wires to be connected to the battery. The wires of the drive circuit device can pass through the wire channel 23 and be connected to the terminal interface 13.

[0055] The wires on the movable frame 2 can pass through the wire channel 23 and connect to the end interface 13. The operator can pre-install all the drive circuit devices on the movable frame 2. The wires of the drive circuit devices pass through the wire channel 23 and connect to the end interface 13, and finally connect to the battery. After the connection is completed, the movable frame 2 can be inserted into the battery compartment 10 to complete the step of placing the drive circuit device into the robot body 1. The wire channel 23 is located in the middle of the frame of the movable frame 2, so that the wires of all electrical appliances can be gathered in the middle of the movable frame 2, so that the wires are uniformly bundled and easy to organize.

[0056] The movable frame 2 includes a frame body 20, a movable upper plate 21, and a movable side plate 22. The frame body 20 can be sleeved on the outer surface of the battery compartment 10. The drive circuit device includes a central electrical appliance 01 and a side electrical appliance 02. The central electrical appliance 01 is fixed to the movable upper plate 21, and the side electrical appliance 02 is fixed to the movable side plate 22.

[0057] See Figure 4 The body 1 is also equipped with a heat dissipation slot 41, which is located in the middle of the body 1. A central cooling fan 31 can be inserted into the heat dissipation slot 41, which is located between the movable plate 21 and the battery compartment 10. The heat dissipation slot 41 is mainly used to dissipate heat from the central electrical appliance 01, and can also remove heat generated by the battery in the battery compartment 10.

[0058] See Figure 1, the side electrical appliance 02 is located on the movable side plate 22, and the heat generated by it is concentrated on the movable side plate 22. Therefore, a side heat dissipation fan 32 is also provided on the movable side plate 22. The side heat dissipation fan 32 is closely attached to the side electrical appliance 02 and is used to quickly discharge the heat generated by it.

[0059] A rapid disassembly and assembly method for a quadruped robot drive circuit based on the above drive circuit rapid disassembly and assembly mechanism includes the following steps:

[0060] 1) Install the drive circuit device on the movable frame 2.

[0061] 2) Pass the wires of the drive circuit device through the wire slot 23 so that the wires face the end interface 13.

[0062] 3) Put the battery into the battery compartment 10, and the wires of the drive circuit device are docked with the battery from the end interface 13.

[0063] 4) Align the movable frame 2 and insert it into the torso 1 of the quadruped robot through the movable port 14 and lock it to complete the assembly steps of the drive circuit device.

[0064] 5) Unlock the movable frame 2 and take it out from the movable port 14 of the quadruped robot torso 1.

[0065] 6) Replace the drive circuit device, adjust the connection of the wires, and reinsert the movable frame 2 with the replaced drive circuit device into the torso 1 to complete the disassembly and reassembly steps of the drive circuit device.

[0066] Embodiment 2:

[0067] The quadruped robot drive circuit rapid disassembly and assembly mechanism in this embodiment is similar to that in Embodiment 1. In this embodiment, refer to Figure 6 , the movable frame 2 is in an inverted U shape. The movable frame 2 includes two vertically and oppositely arranged movable middle plates 21 in total. A folding plate 5 is connected between the movable middle plate 21 and the movable frame 2. The distance between the two movable middle plates 21 can be enlarged / reduced by the folding plate 5. A pressing structure is provided between the movable middle plate 21 and the torso 1. The pressing structure is used to press the movable middle plate 21 against the heat dissipation slot 41.

[0068] Refer to Figure 7 and Figure 8 , the pressing structure includes a pressure-receiving block 6 and an extrusion block 7. The extrusion block 7 is fixed to the torso 1, and the pressure-receiving block 6 is located on the outer surface of the movable middle plate 21; two rotating shafts 50 are provided at both ends of the folding plate 5, and the rotating shafts 50 are respectively rotatably connected to the top ends of the movable frame 2 and the movable middle plate 21.

[0069] There are three groups of pressure blocks 6 (two in each group, one above the other). The pressure blocks 6 are distributed on the movable plate 21. The pressure blocks 6 are divided into the first pressure block 61, the second pressure block 62, and the third pressure block 63. The three pressure blocks 6 are located in the horizontal plane at different heights.

[0070] Inside the torso 1, a compression block 7 is provided at a position corresponding to the compression block 6. The compression block 7 is fixed in position in space. When the movable frame 2 is pushed inward, the three compression blocks 6 will be compressed by the compression block 7, causing the movable plate 21 to gradually press and fit towards the battery compartment 10.

[0071] The heat dissipation slot 41 has a heat conductor 310 (actually a copper plate) on the side facing the movable plate 21. The movable plate 21 has thermally conductive silicone 210 on the side facing the heat dissipation slot 41. When the movable frame 2 is fully inserted into the body 1, the pressing block 7 presses the pressure block 6, causing the movable plate 21 to press the heat dissipation slot 41, and the thermally conductive silicone 210 is in close contact with the heat conductor 310.

[0072] Elastic elements are provided at the two pivots 50 of the angle plate 5. The function of the elastic elements is to allow the movable plate 21 to automatically spring open slightly outward to avoid the thermally conductive silicone 210 rubbing against the heat conductor 310 during the removal of the movable frame 2, and to prevent the thermally conductive silicone 210 from adhering to the heat conductor 310 and being damaged due to the removal of the movable frame 2.

[0073] The length of the pressure block 6 is about 5mm, that is, it is about 5mm after the movable frame 2 is dislodged. The movable plate 21 is no longer blocked by the pressure block 7. The movable plate 21 can be lifted up a little bit by the elastic element at the two pivots 50 of the angle plate 5, so that the thermally conductive silicone 210 is separated from the thermally conductive body 310.

[0074] The quick disassembly and assembly method corresponding to the above-mentioned quick disassembly and assembly mechanism for the drive circuit includes the following steps:

[0075] 1) Install the drive circuit device on the movable frame 2.

[0076] 2) Pass the wires of the drive circuit device through the wire groove 23 so that the wires are facing the end interface 13.

[0077] 3) Place the battery into the battery compartment 10, and connect the wires of the drive circuit device to the battery from the end interface 13.

[0078] 4) Align the movable frame 2 with the movable opening 14 and insert it into the torso 1 of the quadruped robot.

[0079] 5) During the insertion process, when the movable frame 2 is about to reach the final position, the pressure block 6 aligns with the extrusion block 7 and pushes the movable frame 2 with force. The extrusion block 7 pushes the pressure block 6 to drive the movable plate 21 to press towards the heat dissipation slot 41, and the thermal conductive silicone 210 is in close contact with the heat conductor 310.

[0080] 6) After the central electrical appliance 01 heats up, the thermally conductive silicone 210 deforms and completely fills the gap.

[0081] 7) When the movable frame 2 is removed, the pressure block 6 disengages from the squeezing block 7, the movable frame 2 moves about 5mm, the movable plate 21 is no longer restricted by the squeezing block 7, and the movable plate 21 is pushed outward by the elastic element of the rotating shaft 50, and the thermally conductive silicone 210 separates from the thermally conductive element 310.

[0082] 8) Remove the movable frame 2 from the movable port 14, replace the drive circuit device, adjust the wire connection, and reinsert the movable frame 2 with the replaced drive circuit device into the torso 1 to complete the disassembly and reassembly of the drive circuit device.

[0083] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. A quick assembly / disassembly mechanism for a quadruped robot drive circuit, comprising a torso (1) and a drive circuit device, wherein the drive circuit device is located within the torso (1), characterized in that: The torso (1) is provided with a battery compartment (10) and a detachable movable frame (2). The drive circuit device is detachably mounted on the surface of the movable frame (2). The torso (1) is provided with a movable opening (14), and the movable frame (2) can enter the interior of the torso (1) through the movable opening (14). The movable frame (2) includes a frame body (20) and a movable middle plate (21). The frame body (20) can be sleeved on the outer surface of the battery compartment (10). The drive circuit device includes a middle electrical appliance (01), and the middle electrical appliance (01) is fixed on the movable middle plate (21). The torso (1) is further provided with a heat dissipation slot (41). The heat dissipation slot (41) is located in the middle of the torso (1), and a middle heat dissipation fan (31) can be inserted into the heat dissipation slot (41). When the movable frame (2) passes through the movable opening (14) and is fixed inside the torso (1), the heat dissipation slot (41) is located between the movable middle plate (21) and the battery compartment (10). The movable frame (2) is in an "L" shape. The movable frame (2) includes two vertically and oppositely arranged movable middle plates (21). A folding plate (5) is connected between the movable middle plate (21) and the movable frame (2). The distance between the two movable middle plates (21) can be enlarged / reduced by the folding plate (5). A pressing structure is provided between the movable middle plate (21) and the torso (1), and the pressing structure is used to press the movable middle plate (21) against the heat dissipation slot (41).

2. The quick assembly / disassembly mechanism for the quadruped robot drive circuit according to claim 1, characterized in that: The interior of the battery compartment (10) is a cavity for accommodating a battery. When the movable frame (2) passes through the movable opening (14) and is fixed inside the torso (1), the inner surface of the movable frame (2) fits against the outer surface of the battery compartment (10). The movable frame (2) is provided with a wire slot (23). The battery compartment (10) includes a terminal interface (13) for leading a wire to the battery. The wire of the drive circuit device can pass through the wire slot (23) and be connected to the terminal interface (13).

3. The quick assembly / disassembly mechanism for the quadruped robot drive circuit according to claim 2, characterized in that: The battery insertion port (12) and the movable opening (14) are respectively located on two opposite side walls of the torso (1).

4. The quick assembly / disassembly mechanism for the quadruped robot drive circuit according to claim 1, characterized in that: The pressing structure includes a pressure-receiving block (6) and an extrusion block (7). The extrusion block (7) is fixed to the torso (1), and the pressure-receiving block (6) is located on the outer surface of the movable middle plate (21). Two rotating shafts (50) are provided at both ends of the folding plate (5), and the rotating shafts (50) are respectively rotatably connected to the top ends of the movable frame (2) and the movable middle plate (21).

5. The quick assembly / disassembly mechanism for the quadruped robot drive circuit according to claim 4, characterized in that: One side of the heat dissipation slot (41) facing the movable middle plate (21) is provided with a heat conductor (310), and one side of the movable middle plate (21) facing the heat dissipation slot (41) is provided with heat-conducting silicone (210). When the movable frame (2) completely enters the torso (1), the extrusion block (7) presses the pressure-receiving block (6), causing the movable middle plate (21) to press the heat dissipation slot (41), and the heat-conducting silicone (210) closely adheres to the heat conductor (310).

6. A method for quickly assembling and disassembling a drive circuit for a quadruped robot, based on the quick assembly and disassembly mechanism for the drive circuit described in claim 2, characterized in that... It includes the following steps: 1) Install the drive circuit device on the movable frame (2). 2) Pass the wire of the drive circuit device through the wire slot (23) so that the wire faces the terminal interface (13). 3) Place the battery into the battery compartment (10), and connect the wire of the drive circuit device to the battery through the terminal interface (13). 4) Align the movable frame (2) with the movable opening (14) and insert it into the torso (1) of the quadruped robot and lock it in place to complete the assembly steps of the drive circuit device; 5) Unlock the movable frame (2) and remove it from the movable opening (14) of the quadruped robot's torso (1); 6) Replace the drive circuit device, adjust the wire connection, and put the movable frame (2) with the replaced drive circuit device back into the torso (1) to complete the disassembly and reassembly of the drive circuit device.

7. A method for quickly assembling and disassembling a drive circuit for a quadruped robot, based on the quick assembly and disassembly mechanism for the drive circuit described in claim 5, characterized in that... Includes the following steps: 1) Install the drive circuit device on the movable frame (2); 2) Pass the wires of the drive circuit device through the wire groove (23) so that the wires are facing the end interface (13). 3) Place the battery into the battery compartment (10), and connect the wires of the drive circuit device to the battery from the end interface (13); 4) Align the movable frame (2) with the movable opening (14) and insert it into the torso (1) of the quadruped robot. 5) During insertion, align the pressure block (6) with the extrusion block (7), and forcefully push the movable frame (2) so that the movable plate (21) is pressed towards the heat dissipation slot (41), and the thermally conductive silicone (210) is tightly attached to the heat conductor (310). After the central electrical appliance (01) heats up, the thermally conductive silicone (210) deforms and completely fills the gap.

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