Low-interference high-frequency direct-current stabilized power supply device

Abstract

The utility model discloses a low-interference high-frequency direct-current stabilized power supply device in the technical field of power supply devices, which comprises a power supply shell, a mounting column fixedly mounted at the bottom end in the power supply shell, an aluminum sheet box fixedly mounted at the upper end of the mounting column, and a fixed column fixedly mounted at the bottom end in the aluminum sheet box. The low-interference high-frequency direct-current stabilized power supply device is additionally provided with an electromagnetic shielding assembly and a heat conduction assembly, twelve copper rods (a first supporting copper rod, a connecting copper rod and a second supporting copper rod) in the electromagnetic shielding assembly are an internal supporting structure, an aluminum sheet (an aluminum sheet box body) is an external box, and an electromagnetic shielding frame is formed. The heat conduction assembly covers the outer side of the power module and is composed of four sets of heat dissipation pipelines, an aluminum sheet net, a first shielding cover, a first copper wire, a second shielding cover and a second copper wire, electromagnetic interference can be shielded and blocked to a great extent, and electromagnetic shielding performance reduction caused by appearance of heat dissipation channels is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to power supply device technical field, concretely is a low interference high -frequency DC regulated power supply device. BACKGROUND

[0002] Power supply device refers to the equipment or system that can provide electric energy, is widely used in various electronic equipment and electrical system, and the main function of power supply device is to convert other forms of energy (such as mechanical energy, chemical energy etc.

[0003] The patent document with the application number CN201821048918.3 discloses a DC power supply device, wherein "it includes a square shell and a DC power supply;The square shell includes four side plates, a bottom plate and a top plate, four side plates, a bottom plate and a top plate enclose an internal space, the DC power supply is arranged in the internal space, the square shell is provided with a power input interface and a power output interface, the DC power supply is provided with an input end and an output end, the power input interface is connected with the input end of the DC power supply, and the power output interface is connected with the output end of the DC power supply, wherein the power input interface is arranged on a side plate, and the power output interface is arranged on another side plate.

[0004] Based on the above patent search, and combined with the low interference high-frequency DC regulated power supply device in the prior art, it is found that high-frequency power supply often generates large electromagnetic radiation when working, which affects the normal work of surrounding electronic equipment, and even causes equipment failure. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a low interference high-frequency DC regulated power supply device to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a low interference high frequency direct current stabilized power supply device, including power shell, the bottom of power shell inside fixed mounting has installation column, the upper end of installation column fixed mounting has aluminium skin box body, the bottom of aluminium skin box body inside fixed mounting has fixed column, the upper end of fixed column fixed mounting has power module, the inside of aluminium skin box body is provided with first support copper pole, connecting copper pole and second support copper pole, the upper end of aluminium skin box body fixed mounting has heat dissipation pipeline, the inner wall of heat dissipation pipeline fixed mounting has aluminium sheet net, the upper end of aluminium sheet net fixed mounting has first shield cover, the lower end of aluminium sheet net fixed mounting has second shield cover.

[0007] Optionally, four first support copper poles are butt-jointed and fixedly installed at the bottom of the aluminium skin box body, four second support copper poles are butt-jointed and fixedly installed at the upper end of the aluminium skin box body, and the connecting copper pole installed between the first support copper pole and the second support copper pole is used for supporting the first support copper pole and the second support copper pole to form a support frame of twelve copper poles, and the twelve copper poles are inserted into the aluminium skin box body.

[0008] Optionally, an air guide fan is fixedly installed at the front end of the power shell, and a heat dissipation mesh groove is fixedly arranged at the rear end of the power shell.

[0009] Optionally, the heat dissipation pipeline is arranged at the upper end of the aluminium skin box body, and the aluminium sheet net is composed of a plurality of aluminium sheets and is fixedly installed on the inner wall of the heat dissipation pipeline.

[0010] Optionally, a first copper wire is fixedly installed on the inner wall of the first shield cover, a plurality of groups of the first copper wire are fixedly installed on the inner wall of the first shield cover, a second copper wire is fixedly installed on the inner wall of the second shield cover, and a plurality of groups of the second copper wire are fixedly installed on the inner wall of the second shield cover.

[0011] Optionally, four groups of the heat dissipation pipeline, the aluminium sheet net, the first shield cover, the first copper wire, the second shield cover and the second copper wire are installed on the aluminium skin box body.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、In the utility model, electromagnetic shielding assembly is arranged, and the electromagnetic shielding assembly is mainly composed of aluminium skin box body, first shield cover, second shield cover and aluminium sheet net; aluminium material has excellent conductivity and reflectivity, can effectively reflect and absorb high-frequency electromagnetic waves, reduces the emission of electromagnetic radiation, the power module is completely wrapped by the aluminium skin box body, electromagnetic interference generated in the inside is effectively isolated, the influence on surrounding electronic equipment is prevented, electromagnetic shielding can prevent external electromagnetic interference from affecting the normal work of the power module, ensure the stability of output voltage, and further improve the reliability of the power supply.

[0014] 2. The utility model discloses a heat dissipation assembly is provided with, and the heat dissipation assembly is by the heat dissipation net groove, air -guiding fan, aluminium sheet net and support copper pole are formed, and the heat dissipation pipeline and heat dissipation net groove make the heat that power module produces in the work can be exported rapidly, prevent the performance drop or breakdown caused by overheating, in addition, the configuration of aluminium sheet net has increased the heat dissipation surface area, has further promoted the heat dissipation efficiency, the installation of air -guiding fan can ensure that the air flows in the heat dissipation area, forms good air circulation, further accelerates the heat dissipation, like this can keep the equipment in the suitable working temperature range, ensures the normal operation of power module. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic diagram of the utility model's perspective view;

[0016] Figure 2 It is the structure schematic diagram of the utility model's plane view;

[0017] Figure 3 It is the structure schematic diagram of the utility model's perspective view Figure 1 ;

[0018] Figure 4 It is the structure schematic diagram of the utility model's perspective view Figure 2 ;

[0019] Figure 5 It is the structure schematic diagram of the utility model's perspective view Figure 3 ;

[0020] Figure 6 It is the structure schematic diagram of the utility model's perspective view Figure 4 ;

[0021] Figure 7 It is the structure schematic diagram of the utility model's perspective view Figure 5 ;

[0022] Figure 8 It is the structure schematic diagram of the utility model Figure 6 in the enlarged structure schematic diagram of perspective view of A place.

[0023] In the drawing: 1, power shell, 2, mounting column, 3, aluminium sheet box body, 4, fixed column, 5, power module, 6, first support copper pole, 7, connecting copper pole, 8, second support copper pole, 9, heat dissipation pipeline, 10, aluminium sheet net, 11, first shield cover, 12, first copper wire, 13, second shield cover, 14, second copper wire, 15, air -guiding fan, 16, heat dissipation net groove. DETAILED DESCRIPTION

[0024] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0025] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled persons in the art without creative labor belong to the scope of protection of the utility model.

[0027] Please refer to Figures 1-8 In the embodiments of the utility model, a low-interference high-frequency direct-current stabilized power supply device, comprising a power shell 1, a mounting column 2 is fixedly installed at the bottom end inside the power shell 1, an aluminum skin box body 3 is fixedly installed at the upper end of the mounting column 2, a fixed column 4 is fixedly installed at the bottom end inside the aluminum skin box body 3, a power module 5 is fixedly installed at the upper end of the fixed column 4, a first supporting copper rod 6, a connecting copper rod 7 and a second supporting copper rod 8 are arranged on the inner side of the aluminum skin box body 3, four first supporting copper rods 6 are butt jointed and fixedly installed at the bottom end inside the aluminum skin box body 3, four second supporting copper rods 8 are butt jointed and fixedly installed at the upper end inside the aluminum skin box body 3, the connecting copper rod 7 installed between the first supporting copper rod 6 and the second supporting copper rod 8 is used for supporting the first supporting copper rod 6 and the second supporting copper rod 8, forming a supporting frame of twelve copper rods, and the twelve copper rods are inserted on the aluminum skin box body 3.

[0028] Referring to Figures 5-7 , the design uses twelve copper rods (first support copper rod 6, connecting copper rod 7, and second support copper rod 8) as the internal support structure, which not only has a shielding effect but also conducts heat. An aluminum sheet (aluminum skin box body 3) is used to form the external box instead of a copper sheet because the aluminum sheet is less expensive and cooperates with the internal copper rods to have a good electromagnetic shielding effect.

[0029] The twelve copper rods have good electrical conductivity, can effectively shield electromagnetic interference, enhance the overall shielding effect, ensure good contact between the copper rods and the aluminum skin box body 3, and be properly grounded to improve the shielding effect. In addition, copper has high thermal conductivity, which can effectively conduct the heat generated near the power module 5 out to prevent overheating.

[0030] Referring to Figures 4-8 , the upper end of the aluminum skin box body 3 is fixedly installed with a heat dissipation pipeline 9, the inner wall of the heat dissipation pipeline 9 is fixedly installed with an aluminum sheet net 10, the upper end of the aluminum sheet net 10 is fixedly installed with a first shielding cover 11, the lower end of the aluminum sheet net 10 is fixedly installed with a second shielding cover 13, the heat dissipation pipeline 9 is arranged at the upper end of the aluminum skin box body 3, the aluminum sheet net 10 is composed of a plurality of aluminum sheets and is fixedly installed on the inner wall of the heat dissipation pipeline 9, the inner wall of the first shielding cover 11 is fixedly installed with a first copper wire 12, a plurality of groups of first copper wires 12 are fixedly installed on the inner wall of the first shielding cover 11, the inner wall of the second shielding cover 13 is fixedly installed with a second copper wire 14, a plurality of groups of second copper wires 14 are fixedly installed on the inner wall of the second shielding cover 13, and four groups of heat dissipation pipelines 9, aluminum sheet nets 10, first shielding covers 11, first copper wires 12, second shielding covers 13, and second copper wires 14 are installed on the aluminum skin box body 3; the front end of the power shell 1 is fixedly installed with an air guide fan 15, and the rear end of the power shell 1 is fixedly provided with a heat dissipation net groove 16.

[0031] The aluminum skin box body 3 and the four groups of heat dissipation pipelines 9, aluminum sheet nets 10, first shielding covers 11, first copper wires 12, second shielding covers 13, and second copper wires 14 at the upper end of the aluminum skin box body 3 are heat dissipation components that provide heat dissipation channels and also combine the aluminum sheet net 10, the first shielding cover 11, the first copper wire 12, the second shielding cover 13, and the second copper wire 14 to form an electromagnetic shielding member that can greatly shield and block electromagnetic interference and avoid the emergence of heat dissipation channels to reduce electromagnetic shielding performance.

[0032] In addition, the air guide fan 15 and the heat dissipation net groove 16 on the power shell 1 are heat dissipation structures of the power shell 1 that can guide the air in the power shell 1 to achieve a heat dissipation effect.

[0033] The working principle of the utility model is: the low interference high frequency direct current voltage stabilizing power supply device is additionally provided with electromagnetic shielding assembly and heat dissipation assembly, twelve copper poles (first support copper pole 6, connecting copper pole 7 and second support copper pole 8) in the electromagnetic shielding assembly are internal support structure, aluminum sheet (aluminum skin box body 3) is external box, form electromagnetic shielding frame, cover on the outside of power module 5, in order to ensure that the heat dissipation function carries on normally, the heat dissipation assembly is adopted, the heat dissipation assembly is composed of four groups of heat dissipation pipeline 9, aluminum sheet net 10, first shield cover 11, first copper wire 12, second shield cover 13 and second copper wire 14, can greatly shield the electromagnetic interference, avoid the emergence of heat dissipation channel and cause electromagnetic shielding performance to reduce, again with the air guide fan 15 and the heat dissipation net groove 16 on the power shell 1 cooperation use, can dredge the air in the power shell 1, realize the heat dissipation effect.

[0034] Although the embodiments of the utility model 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 thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A low-interference high-frequency DC regulated power supply device, comprising a power supply shell (1), a mounting column (2) is fixedly installed at the bottom end inside the power supply shell (1), characterized in that: The upper end of the mounting column (2) is fixedly installed with an aluminum skin box body (3), the bottom end of the inside of the aluminum skin box body (3) is fixedly installed with a fixed column (4), the upper end of the fixed column (4) is fixedly installed with a power module (5), the inner side of the aluminum skin box body (3) is provided with a first supporting copper pole (6), a connecting copper pole (7) and a second supporting copper pole (8); The upper end of the aluminum skin box body (3) is fixedly installed with a heat dissipation pipeline (9), the inner wall of the heat dissipation pipeline (9) is fixedly installed with an aluminum sheet net (10), the upper end of the aluminum sheet net (10) is fixedly installed with a first shielding cover (11), the lower end of the aluminum sheet net (10) is fixedly installed with a second shielding cover (13).

2. The low interference high frequency DC regulated power supply device according to claim 1, characterized in that: Four first supporting copper poles (6) are butt-jointed and fixedly installed at the bottom end inside the aluminum skin box body (3), four second supporting copper poles (8) are butt-jointed and fixedly installed at the upper end inside the aluminum skin box body (3), the connecting copper pole (7) installed between the first supporting copper pole (6) and the second supporting copper pole (8) is used for supporting the first supporting copper pole (6) and the second supporting copper pole (8), forming a supporting frame of twelve copper poles, the twelve copper poles are all inserted on the aluminum skin box body (3).

3. The low interference high frequency DC regulated power supply device according to claim 2, characterized in that: The front end of the power shell (1) is fixedly installed with a wind guide fan (15), the rear end of the power shell (1) is fixedly provided with a heat dissipation mesh groove (16).

4. The low interference high frequency DC regulated power supply device according to claim 3, characterized in that: The heat dissipation pipeline (9) is arranged at the upper end of the aluminum skin box body (3), the aluminum sheet net (10) is composed of a plurality of aluminum sheets and is fixedly installed on the inner wall of the heat dissipation pipeline (9).

5. The low interference high frequency DC regulated power supply device of claim 1, wherein: The inner wall of the first shielding cover (11) is fixedly installed with a first copper wire (12), a plurality of groups of the first copper wire (12) are fixedly installed on the inner wall of the first shielding cover (11), the inner wall of the second shielding cover (13) is fixedly installed with a second copper wire (14), a plurality of groups of the second copper wire (14) are fixedly installed on the inner wall of the second shielding cover (13).

6. The low interference high frequency DC regulated power supply device according to claim 5, characterized in that: Four groups of the heat dissipation pipeline (9), the aluminum sheet net (10), the first shielding cover (11), the first copper wire (12), the second shielding cover (13) and the second copper wire (14) are installed on the aluminum skin box body (3).

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