High-power electronic switch

Abstract

The utility model discloses a high-power electronic switch, which comprises a shell, a radiating fin arranged on the upper surface of the shell, an adhesive layer arranged between the bottom of the radiating fin and the upper surface of the shell, and a plurality of sealing shells respectively arranged at two ends of the shell, the adhesive layer is adhered to the upper surface of the shell, and the cooling fin is adhered to the upper surface of the adhesive layer; a plurality of needle columns are arranged on the upper surfaces of the cooling fins, the heights of the tops of the needle columns are different, and the tops of the needle columns are in a wave shape on a vertical interface; according to the high-power electronic switch provided by the utility model, the plurality of pin columns form the pin fins for heat dissipation, so that the heat dissipation performance of the device body can be improved; the radiating surface area is greatly increased through tight arrangement of the slender needle-shaped structures, so that air can be in more sufficient contact with the radiating fins, the radiating speed of heat is increased, the working temperature of equipment is effectively reduced, the service life of internal components is prolonged, and the overall stability and reliability of the equipment are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic switches, in particular to a high-power electronic switch. Background Art

[0002] High-power electronic switches are key components in the field of power electronics, used to efficiently control, convert and distribute high-power electrical energy.

[0003] The Chinese utility model patent, CN213694411U, discloses a device comprising a housing, an oscillator, a power paddle, and a power post. The housing is provided with a waterproof structure, comprising a mounting rail, a fixing block, a spring, and a push plate. The mounting rail is fixed to the top and bottom ends of one end of the housing, and the fixing block is fixed to the top and bottom ends of a mounting wall. A spring is fixed to one side of the fixing block, and a push plate is fixed to one side of the spring. While this device facilitates installation and improves ease of use, it also provides internal waterproofing, improves internal safety, and dissipates heat, thereby improving internal operational stability. However, when the device is in use, the exhaust holes at the bottom of the housing are directly connected to the interior of the housing, which can easily lead to moisture entering through the exhaust holes and accumulating inside the housing, increasing the risk of moisture and damage to the device. Furthermore, the lack of a corresponding air inlet hole in the housing prevents effective convection circulation of the gas inside the housing, which in turn affects the heat dissipation and may lead to overheating when the device is operated in a high-temperature environment.

[0004] Therefore, in order to solve the above-mentioned shortcomings, a high-power electronic switch is proposed. Summary of the Invention

[0005] The utility model overcomes the deficiencies of the prior art and provides a high-power electronic switch.

[0006] To achieve the above-mentioned object, the technical solution adopted by the present invention is as follows: a high-power electronic switch, comprising: a housing, a heat sink disposed on the upper surface of the housing, an adhesive layer disposed between the bottom of the heat sink and the upper surface of the housing, and a plurality of sealing shells respectively disposed at both ends of the housing;

[0007] The adhesive layer is adhered to the upper surface of the housing, and the heat sink is adhered to the upper surface of the adhesive layer;

[0008] A plurality of needle posts are provided on the upper surface of the heat sink, the tops of the plurality of needle posts are at different heights, and the tops of the plurality of needle posts are wavy on the vertical interface.

[0009] In a preferred embodiment of the present invention, the bottoms of the plurality of needle posts are fixedly connected to the upper surface of the heat sink.

[0010] In a preferred embodiment of the present invention, the spacings between the plurality of needle posts are the same.

[0011] In a preferred embodiment of the present invention, a plurality of grooves are formed on the circumferential outer walls of the plurality of needle cylinders.

[0012] In a preferred embodiment of the present invention, the sealing shell is fixedly connected to one side of the outer shell, and a sealing ring is provided at the bottom of the sealing shell.

[0013] In a preferred embodiment of the present invention, connection terminals are provided on both sides of the housing.

[0014] In a preferred embodiment of the present invention, the connecting terminal is electrically connected to the electronic switch device inside the housing, and the connecting terminal is located inside the sealed shell.

[0015] In a preferred embodiment of the present invention, the shell is made of aluminum alloy.

[0016] In a preferred embodiment of the present invention, the material of the adhesive layer is silicone.

[0017] In a preferred embodiment of the present invention, the heat sink is made of copper, and the material of the plurality of needle posts is the same as that of the heat sink.

[0018] The present invention solves the defects in the background technology and has the following beneficial effects:

[0019] (1) The present invention provides a high-power electronic switch, which forms a pin-fin heat dissipation by setting a plurality of needle columns, thereby improving the heat dissipation performance of the device body; the slender needle-like structures are closely arranged, which greatly increases the heat dissipation surface area, allowing air to more fully contact the heat sink, thereby accelerating the heat dissipation rate, effectively reducing the operating temperature of the device, extending the service life of internal components, and improving the overall stability and reliability of the device.

[0020] (2) The present invention provides a high-power electronic switch, which can form wave-shaped heat dissipation by having the tops of several needle columns present a wave shape on the vertical interface. The wave-shaped heat dissipation introduces a turbulent effect by breaking the laminar state of air flow, and through the arrangement of several needle columns, a combination of pin fin heat dissipation and wave-shaped heat dissipation is formed, which greatly enhances the heat exchange capacity between the air and the heat sink, not only improving the heat dissipation efficiency, but also allowing the heat to be more evenly distributed on the heat sink, avoiding the occurrence of local overheating.

[0021] (3) The present invention provides a high-power electronic switch, which has excellent performance in high-temperature environments by using silicone as the material of the adhesive layer. When the device is running for a long time or in a high-temperature environment, the temperature of the shell tends to increase significantly; at this time, silicone, as the material connecting the heat sink and the shell, can maintain a stable bonding strength by virtue of its high-temperature resistance, ensuring a tight connection between the heat sink and the shell, which not only ensures that heat can be smoothly transferred from the internal components to the heat sink, but also avoids the problem of reduced heat dissipation efficiency due to loose connections, thereby improving the practicality of the device body;

[0022] (4) The present invention provides a high-power electronic switch, which can dissipate heat for the device body by providing a heat dissipation function on the upper surface of the shell, and because the shell can seal the internal electrical components, the shell can also provide a waterproof effect for the internal electrical components. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention is further described below with reference to the accompanying drawings and embodiments;

[0024] Figure 1 This is a front view and cross-sectional structural diagram of the device body of a preferred embodiment of the present utility model;

[0025] Figure 2 This is an enlarged structural diagram of part A of a preferred embodiment of the present utility model;

[0026] Figure 3 It is a three-dimensional appearance structure diagram of a preferred embodiment of the present utility model.

[0027] In the figure: 1. Housing; 2. Sealing shell; 3. Connecting terminal; 4. Heat sink; 5. Pin; 6. Adhesive layer; 7. Groove. DETAILED DESCRIPTION

[0028] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show components related to the present invention.

[0029] like Figure 1 As shown, a high-power electronic switch includes: a housing 1, a heat sink 4 provided on the upper surface of the housing 1, an adhesive layer 6 provided between the bottom of the heat sink 4 and the upper surface of the housing 1, and a plurality of sealing shells 2 respectively provided at both ends of the housing 1;

[0030] like Figure 2 As shown, the adhesive layer 6 is bonded to the upper surface of the housing 1 , and the heat sink 4 is bonded to the upper surface of the adhesive layer 6 ;

[0031] The upper surface of the heat sink 4 is provided with a plurality of pins 5. The tops of the pins 5 are of different heights and are wavy on the vertical interface. The bottoms of the pins 5 are fixedly connected to the upper surface of the heat sink 4. The spacing between the pins 5 is the same. The outer circumferential walls of the pins 5 are provided with a plurality of grooves 7.

[0032] The sealed shell 2 is fixedly connected to one side of the shell 1. A sealing ring is provided at the bottom of the sealed shell 2. Connection terminals 3 are provided on both sides of the shell 1. The connection terminals 3 are electrically connected to the electronic switching device inside the shell 1. The connection terminals 3 are located inside the sealed shell 2. The shell 1 is made of aluminum alloy, the adhesive layer 6 is made of silicone, the heat sink 4 is made of copper, and the material of the several needle columns 5 is the same as that of the heat sink 4.

[0033] It should be noted that the arrangement of several needle posts 5 on the heat sink 4 increases the heat dissipation surface area, allowing the air to contact the heat sink 4 more effectively, thereby accelerating the dissipation of heat, and the wavy design on the top of the needle post 5 not only increases the surface area, but also promotes the turbulent effect of air flow, further improving the heat exchange efficiency.

[0034] The groove 7 on the outer wall of the needle column 5 increases the complexity of air flow, which helps to achieve more efficient heat convection in a limited space, thereby improving the overall heat dissipation performance;

[0035] The adhesive layer 6 is made of silicone material, which has good high temperature resistance and high bonding strength properties, ensuring a stable connection between the heat sink 4 and the housing 1, and maintaining the reliability of the connection even in a high temperature environment; the connecting terminal 3 is located inside the sealed shell 2, so that the connecting terminal 3 can seal and waterproof the sealed shell 2; the housing 1 is made of aluminum alloy and has excellent thermal conductivity, which helps to quickly transfer internal heat to the heat sink 4. The heat sink 4 and its needle column 5 are made of the same material, which improves the heat dissipation efficiency.

[0036] When the present invention is in use, during operation, the electrical components inside the housing 1 will generate heat, and the heat will be conducted to the heat sink 4 through the housing 1; the needle post 5 on the heat sink 4 and its wavy top design increase the heat dissipation surface area, promote the contact between the air and the heat sink 4, and at the same time, the groove 7 on the circumferential outer wall of the needle post 5 enhances the complexity of the air flow and improves the heat exchange efficiency; the silicone adhesive layer 6 ensures a stable connection between the heat sink 4 and the housing 1, and can maintain the reliability of the connection even in a high temperature environment.

[0037] The above description is based on the ideal embodiment of the present invention. Based on the above description, relevant personnel can make various changes and modifications without departing from the technical scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, but must be determined according to the scope of the claims.

Claims

1. A high-power electronic switch, comprising: A housing (1), a heat sink (4) arranged on the upper surface of the housing (1), an adhesive layer (6) arranged between the bottom of the heat sink (4) and the upper surface of the housing (1), and a plurality of sealing shells (2) respectively arranged at both ends of the housing (1), characterized in that; The adhesive layer (6) is bonded to the upper surface of the housing (1), and the heat sink (4) is bonded to the upper surface of the adhesive layer (6); A plurality of needle posts (5) are provided on the upper surface of the heat sink (4), the tops of the plurality of needle posts (5) are at different heights, and the tops of the plurality of needle posts (5) are wavy on a vertical interface.

2. A high-power electronic switch according to claim 1, characterized in that: The bottoms of the plurality of needle posts (5) are fixedly connected to the upper surface of the heat sink (4).

3. The high-power electronic switch according to claim 1, characterized in that: The distances between the plurality of needle posts (5) are the same.

4. The high-power electronic switch according to claim 1, characterized in that: The circumferential outer walls of the plurality of needle posts (5) are each provided with a plurality of grooves (7).

5. The high-power electronic switch according to claim 1, characterized in that: The sealing shell (2) is fixedly connected to one side of the outer shell (1), and a sealing ring is provided at the bottom of the sealing shell (2).

6. The high-power electronic switch according to claim 1, characterized in that: Connecting terminals (3) are provided on both sides of the housing (1).

7. The high-power electronic switch according to claim 6, characterized in that: The connecting terminal (3) is electrically connected to the electronic switch device inside the housing (1), and the connecting terminal (3) is located inside the sealed shell (2).

8. The high-power electronic switch according to claim 1, characterized in that: The material of the housing (1) is aluminum alloy.

9. The high-power electronic switch according to claim 1, characterized in that: The material of the adhesive layer (6) is silica gel.

10. The high-power electronic switch according to claim 1, characterized in that: The heat sink (4) is made of copper, and the material of the plurality of needle posts (5) is the same as that of the heat sink (4).

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