Impedance device with efficient heat dissipation

Abstract

The utility model belongs to the technical field of impedance networks, and particularly discloses an efficient heat dissipation impedance device which comprises a panel, a side box body and an impedance circuit assembly located in the side box body, the side box body is hollow, the lower portion and the rear side of the side box body are open, and the panel is installed at the opening of the rear side of the side box body; an air inlet is formed in the front wall of the side box body, air outlets are formed in the rear sides of the left side wall and the right side wall of the side box body, a cooling fan is arranged on the front side in the side box body, a fin assembly is arranged on the lower side in the side box body, and the impedance circuit assembly is installed on the fin assembly. The cooling fan corresponds to the fin assembly and the impedance circuit assembly in position, and the rear end of the fin assembly extends to the front side of the air outlet. The cooling fan is installed at the position corresponding to the impedance circuit assembly and the fins, and therefore air can be blown to the impedance circuit assembly and the fins at the same time to cool the impedance circuit assembly and the fins. The air inlet and the air outlet are formed in the two sides, so that the driven airflow flows smoothly.

Description

Technical Field

[0001] This utility model relates to the field of impedance network technology, specifically to an impedance device with high-efficiency heat dissipation. Background Technology

[0002] Impedance network (Impedance stabilization network) is an important auxiliary device in electromagnetic compatibility testing of power systems. It isolates electromagnetic interference, provides stable test impedance, and acts as a filter.

[0003] In practical applications, impedance devices generate a significant amount of heat due to power loss, which affects their normal operation. Currently, heat dissipation is mainly achieved through natural airflow heat exchange, which is inefficient and makes it difficult to dissipate heat in a timely manner. Utility Model Content

[0004] The purpose of this invention is to provide an efficient heat dissipation impedance device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-efficiency heat dissipation impedance device, comprising:

[0006] Panel, side enclosure, and impedance circuit assembly located within the side enclosure;

[0007] The side box is hollow and open at the bottom and rear, and the panel is installed at the rear opening of the side box.

[0008] An air inlet is provided on the front wall of the side box, and air outlets are provided on the rear sides of the left and right side walls of the side box. A cooling fan is provided on the front side of the interior of the side box, and a fin assembly is provided on the lower side of the interior of the side box. An impedance circuit assembly is mounted on the fin assembly. The cooling fan is positioned in relation to the fin assembly and the impedance circuit assembly. The rear end of the fin assembly extends to the front side of the air outlet.

[0009] Preferably, the side box includes two parallel side panels, a top cover is provided on the upper part of the two side panels, and a front panel is provided at the front end of the two side panels.

[0010] Preferably, dustproof nets are embedded in both the air inlet and the air outlet.

[0011] Preferably, the fin assembly includes a support plate and fins uniformly connected to the support plate. The impedance circuit assembly is fitted onto the upper surface of the support plate, and fins are integrally formed on the lower surface of the support plate. Both the support plate and the fins are made of aluminum.

[0012] Preferably, the lower part of the inner sidewall of both side plates is provided with a protruding strip, and the bottom end of the outer fin is provided with a base plate, which is supported on the protruding strip and fixedly connected to the base plate.

[0013] Preferably, an air guide plate is installed inside the side box and in the middle of the front wall of the panel. The left and right side walls of the air guide plate are arc-shaped, and the width of the air guide plate is smaller at the front and larger at the rear.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] Install the cooling fan in the position corresponding to the impedance circuit components and fins, so that the impedance circuit components and fins can be cooled at the same time.

[0016] The air inlet and outlet are located on both sides, which ensures smooth airflow. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the separate structure of the side plate, fin assembly, and impedance circuit assembly of this utility model;

[0019] Figure 3 This is a schematic diagram of the front panel and cooling fan of this utility model.

[0020] In the diagram: 1. Side panel; 2. Front panel; 3. Front panel; 4. Top cover; 5. Air inlet; 6. Air outlet; 7. Raised strip; 8. Support plate; 9. Base plate; 10. Fins; 11. Impedance circuit assembly; 12. Cooling fan; 13. Air guide plate. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0023] Example 1:

[0024] Please see Figure 1-3 The present invention provides a technical solution: an efficient heat dissipation impedance device, comprising: a panel 3, a side box and an impedance circuit assembly 11 located in the side box;

[0025] The side box is hollow and open at the bottom and rear. The panel 3 is installed at the rear opening of the side box. An air inlet 5 is provided on the front wall of the side box. An air outlet 6 is provided on the rear side of both the left and right side walls of the side box. A cooling fan 12 is provided on the front side of the interior of the side box. A fin assembly is provided on the lower side of the interior of the side box. An impedance circuit assembly 11 is installed on the fin assembly. The cooling fan 12 is positioned in relation to the fin assembly and the impedance circuit assembly 11. The rear end of the fin assembly extends to the front of the air outlet 6.

[0026] Analysis of the above content: In use, the impedance circuit assembly 11 is installed on the fin assembly with screws, and the part of the impedance circuit assembly 11 that is prone to generating heat is in contact with the fin assembly. When the impedance circuit assembly 11 is working, the heat generated is transferred to the fin assembly through heat exchange. The cooling fan 12 drives the airflow to carry away the heat from the surface of the fin assembly and the impedance circuit assembly 11.

[0027] During installation, the fin assembly and impedance circuit assembly 11 are installed inside the side housing at a lower position.

[0028] Example 2:

[0029] Please see Figure 1-3 The present invention provides a technical solution: the side box includes two parallel side plates 1, a top cover 4 is provided on the upper part of the two side plates 1, and a front plate 2 is provided at the front end of the two side plates 1.

[0030] Analysis of the above content: The side panel 1, top cover 4, and front panel 2 are assembled with screws, which facilitates assembly and disassembly. The lower part of the side box is open to facilitate air flow. Depending on the usage requirements, the lower part of the two side panels 1 can also be closed by the bottom plate.

[0031] Example 3:

[0032] Please see Figure 1-3 This utility model provides a technical solution: dustproof nets are embedded in both the air inlet 5 and the air outlet 6.

[0033] Analysis of the above content: The dust filter serves to filter the air.

[0034] Example 4:

[0035] Please see Figure 1-3 This utility model provides a technical solution: the fin assembly includes a support plate 8 and fins uniformly connected to the support plate 8. The impedance circuit assembly 11 is fitted onto the upper surface of the support plate 8. Fins 10 are integrally formed on the lower surface of the support plate 8. Both the support plate 8 and the fins 10 are made of aluminum. The lower part of the inner sidewalls of the two side plates 1 are provided with protruding strips 7. The bottom end of the peripheral fins 10 is provided with a base plate 9, which is supported on the protruding strips 7 and fixedly connected to the base plate 9.

[0036] Analysis of the above content: The fin assembly is supported as a whole by the convex strip 7.

[0037] Example 5:

[0038] Please see Figure 1-3 The present invention provides a technical solution: an air guide plate 13 is installed inside the side box and in the middle of the front wall of the panel 3. The left and right side walls of the air guide plate 13 are arc-shaped, and the width of the air guide plate 13 is smaller at the front end and larger at the rear.

[0039] Analysis of the above: The air guide plate 13 directs the air to both sides and outputs it from the air outlets 6 on both sides.

[0040] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It is obvious to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description. Therefore, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this utility model, and no reference numerals in the claims should be considered as limiting the scope of the claims.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency heat dissipation impedance device, characterized in that, include: Panel (3), side enclosure and impedance circuit assembly (11) located in the side enclosure; The side box is hollow and open at the bottom and rear, and the panel (3) is installed at the rear opening of the side box. An air inlet (5) is provided on the front wall of the side box, and an air outlet (6) is provided on the rear side of both the left and right side walls of the side box. A cooling fan (12) is provided on the front side of the interior of the side box, and a fin assembly is provided on the lower side of the interior of the side box. An impedance circuit assembly (11) is mounted on the fin assembly. The cooling fan (12) is positioned in relation to the fin assembly and the impedance circuit assembly (11). The rear end of the fin assembly extends to the front side of the air outlet (6).

2. The impedance device for high-efficiency heat dissipation according to claim 1, characterized in that: The side box includes two parallel side panels (1) on the left and right, with a top cover (4) on the upper part of the two side panels (1) and a front panel (2) at the front end of the two side panels (1).

3. The impedance device for high-efficiency heat dissipation according to claim 1, characterized in that: Dustproof nets are embedded in both the air inlet (5) and the air outlet (6).

4. The impedance device for high-efficiency heat dissipation according to claim 2, characterized in that: The fin assembly includes a support plate (8) and a uniformly connected component on the support plate (8). The impedance circuit assembly (11) is attached to the upper surface of the support plate (8). The lower surface of the support plate (8) is integrally formed with fins (10). Both the support plate (8) and the fins (10) are made of aluminum.

5. The impedance device for high-efficiency heat dissipation according to claim 4, characterized in that: The lower part of the inner sidewall of the two side plates (1) is provided with a protrusion (7), and the bottom end of the outer fin (10) is provided with a base plate (9). The base plate (9) is supported on the protrusion (7) and fixedly connected to the base plate (9).

6. The impedance device for high-efficiency heat dissipation according to claim 1, characterized in that: An air guide plate (13) is installed inside the side box and in the middle of the front wall of the panel (3). The left and right side walls of the air guide plate (13) are arc-shaped, and the width of the air guide plate (13) is smaller at the front and larger at the back.

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