CN219247173U

CN219247173U - Outdoor DC power supply with electromagnetic shielding function

Info

Publication number: CN219247173U
Application number: CN202320134149.3U
Authority: CN
Inventors: 许之咏; 朱留彬
Original assignee: Zhejiang Aibeineng Technology Co ltd
Current assignee: Zhejiang Aibeineng Technology Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-06-23
Anticipated expiration: 2033-02-07

Abstract

The utility model belongs to the technical field of sliding direct current power supplies, and particularly relates to an outdoor direct current power supply with an electromagnetic shielding function, which comprises a shell, a direct current power supply body arranged in the shell, and a connecting panel movably arranged on the front end face of the shell, wherein a plurality of filter interfaces are arranged on the outer side face of the connecting panel, a connector is arranged on the other side of the connecting panel, and the direct current power supply body is electrically connected with the filter interfaces through the connector; the shell comprises a shielding layer and a stainless steel layer from inside to outside, an insulating adhesive layer is filled between the shielding layer and the stainless steel layer, the shielding layer is made of a copper plate or an aluminum plate, and a plurality of heat conducting fins made of insulating materials are fixedly arranged between the shielding layer and the stainless steel layer. The defect of the prior art is overcome, copper or aluminum with good heat conduction performance is used as a shielding layer, heat is transferred to the stainless steel layer through the heat conducting fin, and the effect of rapid heat dissipation is achieved on the basis of guaranteeing the electromagnetic shielding performance of the stainless steel layer.

Description

Outdoor DC power supply with electromagnetic shielding function

Technical Field

The utility model belongs to the technical field of direct current power supplies, and particularly relates to an outdoor direct current power supply with an electromagnetic shielding function.

Background

The power supply device is characterized in that a power supply device is arranged on the power supply device, and the power supply device is connected with a power supply device.

The direct-current power supply is easy to be interfered by electromagnetic signals when in outdoor use, so that the stability of power supply parameters is affected; patent application number CN201720238976.1 discloses a method for electromagnetic shielding of a power supply by an electromagnetic shielding plate; however, in this scheme, the electromagnetic shielding plate is provided with heat dissipation holes, and these heat dissipation holes still can lead to the power to receive electromagnetic interference, so how to ensure electromagnetic shielding performance and rapidly dissipate heat at the same time becomes the problem to be solved urgently.

Disclosure of Invention

The utility model aims to provide an outdoor direct current power supply with an electromagnetic shielding function, which overcomes the defects of the prior art, utilizes copper or aluminum with good heat conduction performance as a shielding layer, and transmits heat to a stainless steel layer through a heat conducting sheet, so that the effect of rapid heat dissipation is achieved on the basis of guaranteeing the electromagnetic shielding performance of the outdoor direct current power supply.

In order to solve the problems, the technical scheme adopted by the utility model is as follows:

the outdoor direct current power supply with the electromagnetic shielding function comprises a shell, a direct current power supply body arranged in the shell, and a connecting panel movably arranged on the front end face of the shell, wherein a plurality of filter interfaces are arranged on the outer side face of the connecting panel, a connector is arranged on the other side of the connecting panel, and the direct current power supply body is electrically connected with the filter interfaces through the connector;

the shell comprises a shielding layer and a stainless steel layer from inside to outside, an insulating adhesive layer is filled between the shielding layer and the stainless steel layer, the shielding layer is made of a copper plate or an aluminum plate, and a plurality of heat conducting fins made of insulating materials are fixedly arranged between the shielding layer and the stainless steel layer.

Further, the insulating adhesive layer is a silicone adhesive layer with good thermal conductivity, and the heat conducting sheet is made of heat conducting silica gel.

Further, one end of the filter interface extends to the outer side of the connecting panel, and double-layer tinned copper nets are arranged in the side walls of the filter interface.

Further, the mounting groove matched with the connecting panel is formed in the front end face of the shell, a supporting table is arranged in the mounting groove in a strand mode, a space for the connector to pass through is formed in the supporting table, guide grooves are formed in four corners of the supporting table, guide rods are inserted into the guide grooves, and one end of each guide rod is fixedly connected with the connecting panel.

Further, the both sides of connection panel have all set firmly the installation ear, and the outside of mounting groove has seted up the recess with the installation ear adaptation, the installation ear passes through bolt and casing fixed connection.

Further, the surface of one side of the connecting panel, which is close to the connector, is adhered with wave-absorbing cotton.

Compared with the prior art, the utility model has the following beneficial effects:

according to the outdoor direct current power supply with the electromagnetic shielding function, copper or aluminum in the inner layer is used as a shielding layer, so that the electromagnetic shielding effect is realized, the effect of rapid heat conduction is achieved, and heat is transferred to the stainless steel layer by utilizing the heat conducting sheet, so that heat is dissipated into the air; the arrangement of the stainless steel layer can reduce the cost of the equipment shell, and is beneficial to the popularization of equipment; through the detachable design of connection panel, conveniently detect and maintain DC power supply, facilitate the use.

Drawings

Fig. 1 is a schematic structural diagram of an outdoor dc power supply with electromagnetic shielding function.

Fig. 2 is a schematic diagram of a housing structure of an outdoor dc power supply with electromagnetic shielding function.

Fig. 3 is a schematic structural diagram of an installation groove in an outdoor dc power supply with electromagnetic shielding function.

Fig. 4 is a schematic structural diagram of a connection panel in an outdoor dc power supply with electromagnetic shielding function.

In the figure: 1. a housing; 2. a connection panel; 3. a filtering interface; 4. a support leg; 5. a stainless steel layer; 6. a heat conductive sheet; 7. an insulating adhesive layer; 8. a heat conducting layer; 9. a mounting groove; 10. a support table; 11. a guide groove; 12. wave-absorbing cotton; 13. a mounting ear; 14. a connector; 15. a guide rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-4, the outdoor dc power supply with electromagnetic shielding function of the present utility model includes a housing 1, a dc power supply body installed in the housing 1, a connection panel 2 movably installed on a front end surface of the housing 1, a plurality of filter interfaces 3 installed on an outer side surface of the connection panel 2, and a connector 14 installed on the other side of the connection panel 2, wherein the dc power supply body is electrically connected with the filter interfaces 3 through the connector 14;

the shell 1 comprises a shielding layer and a stainless steel layer 5 from inside to outside, an insulating adhesive layer 7 is filled between the shielding layer and the stainless steel layer 5, the shielding layer is made of copper plates or aluminum plates, and a plurality of heat conducting fins 6 made of insulating materials are fixedly arranged between the shielding layer and the stainless steel layer 5.

In order to ensure heat dissipation performance, the insulating adhesive layer 7 is a silicone adhesive layer with good heat conductivity, and the heat conducting sheet 6 is made of heat conducting silica gel.

One end of the filter interface 3 extends to the outer side of the connecting panel 2, and double-layer tinned copper nets are arranged in the side walls of the filter interface 3; the filtering interface 3 with the double-layer tinned copper net can shield electromagnetic interference, so that the stability of power supply output is ensured.

The mounting groove 9 matched with the connecting panel 2 is formed in the front end face of the shell 1, the supporting table 10 is arranged in the mounting groove 9 in a strand mode, a space through which the connector 14 passes is formed in the supporting table 10, the guide grooves 11 are formed in four corners of the supporting table 10, the guide rods 15 are inserted into the guide grooves 11, and one ends of the guide rods 15 are fixedly connected with the connecting panel 2.

In order to stably mount the connection panel 2, mounting lugs 13 are fixedly arranged on two sides of the connection panel 2, grooves matched with the mounting lugs 13 are formed in the outer sides of the mounting grooves 9, and the mounting lugs 13 are fixedly connected with the shell 1 through bolts.

To avoid electromagnetic influence, a surface of the connection panel 2 near the connector 14 is bonded with a wave-absorbing cotton 12.

In summary, the outdoor direct current power supply with the electromagnetic shielding function provided by the utility model has the advantages that the shell 1 is stably placed on a plane when in use, the shielding layer made of copper or aluminum can realize shielding of electromagnetic signals, the electromagnetic signals are prevented from influencing the output of the power supply, and meanwhile, the heat generated by the power supply is transferred to the heat conducting sheet 6 and the insulating adhesive through the shielding layer and then transferred to the stainless steel layer 5, so that the heat is transferred to the air, the rapid dissipation of the heat is completed, no additional holes are needed, and the shielding property of the outdoor direct current power supply is ensured.

When the direct-current power supply body needs to be overhauled, the connecting panel 2 is taken out of the mounting groove 9 by unscrewing the bolt, and then the connecting wire between the direct-current power supply body and the connector 14 is pulled out, so that the direct-current power supply body is overhauled; after the maintenance is completed, the guide rods 15 respectively correspond to the guide grooves 11, an external force is applied to enable the connecting panel 2 to enter the mounting groove 9, the wave-absorbing cotton 12 is tightly attached to the surface of the supporting table 10 in the mounting groove 9, and then bolts are screwed down to fix the connecting panel 2.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An outdoor DC power supply with electromagnetic shielding function, which is characterized in that: the direct-current power supply comprises a shell (1), a direct-current power supply body arranged in the shell (1) and a connecting panel (2) movably arranged on the front end face of the shell (1), wherein a plurality of filter interfaces (3) are arranged on the outer side face of the connecting panel (2), a connector (14) is arranged on the other side of the connecting panel (2), and the direct-current power supply body is electrically connected with the filter interfaces (3) through the connector (14);

the shell (1) comprises a shielding layer and a stainless steel layer (5) from inside to outside, an insulating adhesive layer (7) is filled between the shielding layer and the stainless steel layer (5), the shielding layer is made of a copper plate or an aluminum plate, and a plurality of heat conducting sheets (6) made of insulating materials are fixedly arranged between the shielding layer and the stainless steel layer (5).

2. An outdoor dc power supply with electromagnetic shielding according to claim 1, wherein: the insulating adhesive layer (7) is a silicone adhesive layer with good thermal conductivity, and the heat conducting sheet (6) is made of heat conducting silica gel.

3. An outdoor dc power supply with electromagnetic shielding according to claim 1, wherein: one end of the filter interface (3) extends to the outer side of the connecting panel (2), and double-layer tinned copper nets are arranged in the side walls of the filter interface (3).

4. An outdoor dc power supply with electromagnetic shielding according to claim 1, wherein: the front end face of the shell (1) is provided with a mounting groove (9) matched with the connecting panel (2), a supporting table (10) is arranged in the mounting groove (9), a space through which a connector (14) passes is formed in the supporting table (10), guide grooves (11) are formed in four corners of the supporting table (10), guide rods (15) are inserted into the guide grooves (11), and one end of each guide rod (15) is fixedly connected with the connecting panel (2).

5. An outdoor dc power supply with electromagnetic shielding according to claim 3, wherein: the two sides of the connecting panel (2) are fixedly provided with mounting lugs (13), grooves matched with the mounting lugs (13) are formed in the outer sides of the mounting grooves (9), and the mounting lugs (13) are fixedly connected with the shell (1) through bolts.

6. An outdoor dc power supply with electromagnetic shielding according to claim 3, wherein: the surface of one side of the connecting panel (2) close to the connector (14) is adhered with wave-absorbing cotton (12).