Low-voltage direct-current power supply distribution box

Abstract

The utility model relates to the technical field of power supply distribution boxes, in particular to a low-voltage direct-current power supply distribution box, which comprises a main body part, a connecting part and a tail plate, the main body part and the connecting part are respectively composed of a base and a cover plate, and one end of the main body part is provided with a wiring terminal. The bottom of the inner cavity of the main body part and the bottom of the inner cavity of the connection part are fixedly connected with wire bars through fixing plates, the wire bars are connected with a plurality of branching terminals, one end, close to the wiring terminals, of the inner cavity of the main body part is also provided with a fuse holder, and the tail part of the main body part is fixedly connected with the connection part through a bolt. And the tail plate is fixedly mounted at the tail part of the connecting part. The distribution box has the advantages that the number of the branch wires depends on the number of the connecting parts, selection is more flexible, possibility is provided for subsequent increase of more branch wire interfaces, the situation that the distribution box needs to be replaced again is avoided, and meanwhile maintenance time and maintenance cost can be reduced when a certain connecting part is damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to power distribution box technical field, specifically, relate to a low voltage DC power distribution box. BACKGROUND

[0002] Power distribution box is a kind of distribution device that wireless base station must be equipped. Mainly used to power supply and realize switch control for each radio frequency module and plug-in box of base station. Power distribution box is mainly composed of shell, access terminal, copper bar and air switch. The shell of general power distribution box is integral frame, and the shell is provided with a plurality of air switches. To meet the maximum capacity requirement of equipment, the power distribution box used in the industry at present is generally configured according to the maximum capacity of equipment. Although in most cases, equipment will not be full configuration. However, considering the possible expansion requirement in the future, the power interface of expansion equipment must be reserved.

[0003] Moreover, some branch interfaces on the power distribution box will fail due to various reasons, which leads to the failure to continue to use. The existing replacement or repair scheme needs to disassemble the whole power distribution box, which not only increases the maintenance cost but also increases the maintenance time.

[0004] In order to solve the above problems, the low voltage DC power distribution box is needed. SUMMARY

[0005] The utility model discloses a low voltage DC power distribution box, to solve the problem in the background art.

[0006] In order to achieve the above object, a low voltage DC power distribution box is provided, which comprises a main body part, a connecting part and a tail plate, the main body part and the connecting part are both composed of a base and a cover plate, one end of the main body part is provided with a terminal, the inner cavity bottom of the main body part and the connecting part is fixedly connected with a wire bar through a fixed plate, a plurality of branch terminals are connected on the wire bar, and the inner cavity of the main body part is provided with a fuse holder at one end close to the terminal;

[0007] The tail of the main body part is fixedly connected with the connecting part through a bolt, and the tail plate is fixedly installed at the tail of the connecting part.

[0008] The wire bar is composed of two elastic copper sheets, and the wire bar of the connecting part is fixedly installed with a terminal, when the connecting part is connected with the main body part, the terminal connects the wire bars in the main body part and the connecting part.

[0009] Further, the front and rear ends of the adapter are both provided with openings, wherein the part of the front end connected with the main body is provided with a protruding structure which can be inserted into the tail of the main body or another adapter; the number of adapters can be set according to requirements, wherein the front end of the adapter can also be inserted into the tail of the previous adapter and connected.

[0010] Further, the front end part of the inner cavity of the adapter is further provided with an auxiliary fixing mechanism which is composed of four annularly arranged sector plates, the bolts are fixedly installed in the circular holes surrounded by the sector plates, and the front end and the tail of the adapter are both provided with threaded holes corresponding to the bolts, so that the installation in a narrow space can be facilitated, blind operation can be realized, and the complexity of the installation steps is optimized.

[0011] Further, the top of the cover plate is provided with signal lamps corresponding to the distribution terminals, and the distribution terminals and the fuse holder penetrate through the cover plate and protrude from the surface.

[0012] Further, the wire row comprises a positive wire row and a negative wire row, wherein the positive wire row is connected with the positive pole of the fuse holder, and the negative wire row is connected with the negative pole of the fuse holder.

[0013] Further, the protruding structure specifically has an "L" shape, and when the protruding structure is inserted into the tail of the main body or another adapter, the two screw holes are stacked together.

[0014] Further, the wiring terminal is connected with the wire row in the main body through the fuse holder, and the wiring terminal is further provided with a locking nut.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] When some of the adapters are faulty or damaged, the adapters can be directly replaced or repaired by disassembling, and the signal lamps can directly reflect whether the adapters are damaged or faulty, so that the replacement or repair of the single adapter can not only save the repair time but also reduce the repair cost.

[0017] The front end part of the inner cavity of the adapter is further provided with an auxiliary fixing mechanism, so that the installation in a narrow space can be facilitated, blind operation can be realized, and the complexity of the installation steps is optimized.

[0018] The number of distribution terminals depends on the number of adapters, the selection is more flexible, the possibility of adding more distribution terminal interfaces in the future is provided, and the situation that the distribution box needs to be replaced is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figure 2 It is the internal structure schematic view of the utility model;

[0021] Figure 3 It is the internal structure schematic view of the utility model's connecting part.

[0022] The meaning of each reference sign in the figure is:

[0023] Main body part; 2, connecting part; 3, tail plate; 4, base; 5, cover plate; 6, terminal; 7, wire row; 8, branch terminal; 9, fuse holder; 10, bolt; 11, terminal lug; 12, auxiliary fixing mechanism. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction 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 the ordinary skilled in the art without making creative labor belong to the range of protection of the utility model.

[0025] Those skilled in the art can understand that, unless specifically stated, the singular form "a", "one" and "said" used herein can also include the plural form. It should be further understood that the phrase "comprising" used in the specification of the utility model means that the features, integers, steps, operations, elements and / or components exist, but does not exclude the existence or addition of one or more other features, integers, steps, operations, elements, components and / or their groups.

[0026] Please refer to Figures 1-3 As shown, a low-voltage DC power distribution box is provided, which comprises a main body part 1, a connecting part 2 and a tail plate 3, the main body part 1 and the connecting part 2 are both composed of a base 4 and a cover plate 5, one end of the main body part 1 is provided with a terminal 6, the inner cavity bottom of the main body part 1 and the connecting part 2 is fixedly connected with a wire row 7 through a fixed plate, a plurality of branch terminals 8 are connected on the wire row 7, the top of the cover plate 5 is provided with a signal lamp corresponding to the branch terminal 8 one by one, the branch terminal 8 and the fuse holder 9 penetrate through the cover plate 5 and protrude from the surface, the inner cavity of the main body part 1 is also provided with a fuse holder 9 at one end close to the terminal 6, the protruding structure is specifically in "L" shape structure, when the protruding structure is inserted into the tail of the main body part 1 or another connecting part 2, the two screw holes are stacked together;

[0027] The tail of the main body part 1 is fixedly connected with the connecting part 2 through a bolt 10, the tail plate 3 is fixedly installed at the tail of the connecting part 2;

[0028] The wire row 7 is composed of two elastic copper sheets, wherein the wire row 7 of the adapter 2 is fixedly provided with a terminal 11, and when the adapter 2 is connected with the main body 1, the terminal 11 connects the wire row 7 in the main body 1 and the adapter 2, and the wire row 7 includes a positive wire row and a negative wire row, wherein the positive wire row is connected with the positive pole of the fuse seat 9, and the negative wire row is connected with the negative pole of the fuse seat 9.

[0029] Please refer to Figures 1-3

[0030] The front end and the rear end of the adapter 2 are both provided with openings, wherein the part connected with the main body 1 at the front end is provided with a protruding structure which can be inserted into the tail of the main body 1 or another adapter 2; the number of the adapters 2 can be set according to the needs, wherein the front end of the adapter 2 can also be inserted into the tail of the previous adapter 2 and connected, and the protruding structure is specifically in the shape of "L", and when the protruding structure is inserted into the tail of the main body 1 or another adapter 2, the two screw holes are stacked together.

[0031] When a certain adapter 2 fails or is damaged, it can be directly replaced or repaired by disassembling the adapter 2, and the signal lamp can directly reflect whether the adapter 2 is damaged or fails, so that replacing or repairing a single adapter 2 can not only save maintenance time but also reduce maintenance cost.

[0032] As can be seen from Figure 2 , the front end of the inner cavity of the adapter 2 is also provided with an auxiliary fixing mechanism 12, which is composed of four annularly arranged sector plates, the bolt 10 is fixedly installed in the circular hole surrounded by the sector plate, and the front end and the tail of the adapter 2 are both provided with a threaded hole corresponding to the bolt 10, which can facilitate installation in a small space and can realize blind operation, thereby optimizing the complexity of the installation steps.

[0033] In the specific installation process, the screwdriver can be inserted through the threaded hole and then the bolt 10 is twisted, and in this process, the bolt 10, the screwdriver and the threaded hole are in the same straight line, so that blind operation can be realized.

[0034] Assembly process:

[0035] In the process of assembling the power distribution box of the application, the number of adapters 2 can be selected according to the actual needs, and the power distribution boxes on the market can be roughly divided into M6, M8 or M12 distribution boxes, and for the application, the number of distribution lines depends on the number of adapters 2, which is more flexible in selection and provides the possibility for subsequent increase of more distribution line interfaces, avoiding the need to replace the distribution box;

[0036] Here,​Figure 1 For example, the assembly process of two adapters 2 is as follows: two adapters 2 are connected to the tail end of the main body 1 through the bolts 10 in sequence, and then the tail plate 3 is installed at the tail of the last adapter 2; when the installation is performed, the terminal lug 11 in the adapter 2 is inserted into the wire row 7 of the last adapter 2 or the main body 1; since the wire row 7 is made of a copper sheet with elasticity, which can be designed as an arc shape or any shape with elasticity, the sufficient connection between the wire row 7 and the terminal lug 11 can be ensured.

[0037] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A low-voltage DC power distribution box comprising a main body portion (1), a link portion (2) and a tail plate (3), characterized in that: The main body (1) and the connecting part (2) are composed of a base (4) and a cover plate (5), one end of the main body (1) is provided with a terminal (6), the inner cavities of the main body (1) and the connecting part (2) are fixedly connected with a wire bar (7) through a fixing plate, a plurality of terminal (8) are connected to the wire bar (7), the inner cavity of the main body (1) is further provided with a fuse holder (9) at one end close to the terminal (6); The tail of the main body (1) is fixedly connected with the connecting part (2) through a bolt (10), and the tail plate (3) is fixedly installed at the tail of the connecting part (2); The wire bar (7) is composed of two elastic copper sheets, the wire bar (7) of the connecting part (2) is fixedly installed with a terminal (11), when the connecting part (2) is connected with the main body (1), the terminal (11) connects the wire bar (7) in the main body (1) and the connecting part (2).

2. A low voltage DC power distribution box according to claim 1, characterized in that: The front and rear ends of the connecting part (2) are both provided with openings, and the part connected with the main body (1) at the front end is provided with a protruding structure, which can be inserted into the tail of the main body (1) or another connecting part (2).

3. A low voltage DC power distribution box according to claim 2, characterized in that: The front end of the inner cavity of the connecting part (2) is further provided with an auxiliary fixing mechanism (12), the auxiliary fixing mechanism (12) is composed of four annularly arranged sector plates, the bolt (10) is fixedly installed in the circular hole surrounded by the sector plate, and the front end and the tail of the connecting part (2) are both provided with screw holes corresponding to the bolt (10).

4. A low voltage DC power distribution box according to claim 3, characterized in that: The top of the cover plate (5) is provided with a signal lamp corresponding to the terminal (8), and the terminal (8) and the fuse holder (9) penetrate through the cover plate (5) and protrude from the surface.

5. A low voltage DC power distribution box according to claim 4, characterized in that: The wire bar (7) includes a positive wire bar and a negative wire bar, the positive wire bar is connected with the positive pole of the fuse holder (9), and the negative wire bar is connected with the negative pole of the fuse holder (9).

6. A low voltage DC power distribution box according to claim 3, characterized in that: The protruding structure is specifically in the form of an "L" structure, when the protruding structure is inserted into the tail of the main body (1) or another connecting part (2), the two screw holes are stacked together.

7. A low voltage DC power distribution box as defined in claim 1, wherein: The terminal (6) is connected with the wire bar (7) in the main body (1) through the fuse holder (9), and the terminal (6) is further provided with a locking nut.

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