Load control branch device

Abstract

The utility model discloses a load control branching device, which comprises a first box body, a second box body and an electronic unit arranged between the first box body and the second box body, and is characterized in that the electronic unit is in positioning connection with a shaft hole of the first box body, the first box body is provided with a deformable supporting arm, and the supporting arm is connected with the electronic unit. The supporting arm is used for limiting an electronic unit, and the first box body is fixedly connected with the second box body; when the branching device is assembled, no visual field blind area exists, the precision is high, the efficiency is high, the electronic unit can be firmly fixed to the inner sides of the first box body and the second box body through the first box body and the second box body, the overall structure of the branching device is compact, the design is reasonable, and all parts are reliably and firmly connected.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power, in particular to a load control branch device. Background Art

[0002] The load management branch device is an important device used in the power system. Its main function is to manage and control the load distribution in the power system.

[0003] The existing load management branch device is installed by fastening a part of the electronic unit to the upper box, and the other part of the electronic unit to the first box body, and then the upper box and the first box body are connected. When the upper box and the first box body are connected, the docking between the two parts of the electronic unit must be considered. During this docking process, the connection cannot be fully exposed to the staff's line of sight, so the line of sight is blocked and the connection is not easy. This structure of the device causes the problem of inconvenient assembly. Utility Model Content

[0004] The purpose of the utility model is to provide a load control branch device, which solves the problem of complex device assembly in the prior art.

[0005] The utility model is implemented as follows: a load control branch device includes a first box body, a second box body and an electronic unit placed between the first box body and the second box body, characterized in that the electronic unit is positioned and connected to the axial hole of the first box body, a deformable support arm is provided on the first box body, the support arm is used to limit the electronic unit, and the first box body is fixedly connected to the second box body.

[0006] The entire electronic unit is positioned with the first box body through the axial hole, and the axial holes are exposed within the field of vision, so positioning is relatively easy during installation and docking; there are no other fixed structural connections between the electronic units, and in order to ensure accuracy during assembly, a deformable support arm is provided on the first box body, and due to the deformation of the support arm, the electronic unit can be accurately clamped, fixed, and installed in place; then the first box body is fixedly connected to the second box body, and the electronic unit is fixed inside the space enclosed by the first box body and the second box body; the branch device in the utility model has no blind spots during assembly, and has high accuracy and efficiency. At the same time, the electronic unit can be firmly fixed on the inside of the first box body and the second box body by the first box body and the second box body, and the overall structure of the branch device is compact, the design is reasonable, and the connections of various components are reliable and firm.

[0007] A further technical solution of the utility model is that the electronic unit is placed between the support arms, and the support arms are provided with a slot for limiting the position of the electronic unit.

[0008] When installing the electronic unit, it is done along the extension direction of the support arm. Through the deformation of the support arm, the electronic unit can be clamped in the slot on the support arm. Due to the limitation of the slot position, the electronic unit is accurately positioned. The pin and female connectors between the electronic units can be synchronously docked after the electronic unit and the support arm are connected in place. The connection is simple and fast, and the accuracy is high. The use of the support arm effectively reduces the use of parts between the electronic units and effectively saves costs.

[0009] A further technical solution of the utility model is that: the second box body is provided with a limiting rib for preventing the support arm from deforming.

[0010] The support arms are placed between the limiting ribs, which play a role in placing deformation on the ends of the support arms, so that the electronic unit placed between the support arms is firmly installed.

[0011] A further technical solution of the utility model is: the electronic unit includes a first printed board, a second printed board and a third printed board which are arranged in order from large to small in area, the first printed board is positioned and connected to the axis hole of the first box body, and the second printed board and the third printed board are limited by a card slot.

[0012] The electrical connection of the electronic unit is achieved through pin headers and female headers. During installation, the electronic unit can be assembled first and then connected to the first box body, thus avoiding the problem of difficult docking of the pin headers and female headers between the electronic units; specifically, when the electronic unit is installed with the first box body, the first printed circuit board can be first connected to the first box body through the shaft hole, and then the second printed circuit board and the third printed circuit board can be installed on the first printed circuit board in sequence. During the installation of the second printed circuit board and the third printed circuit board, the positioning of the card slot can ensure smooth docking of the pin headers and female headers on the electronic unit. When the electronic unit is assembled with the first box body, it is convenient and quick, and the support arm can effectively position the electronic unit.

[0013] A further technical solution of the utility model is: a positioning column is provided in the first box body, and a positioning hole matched with the positioning column is provided on the electronic unit.

[0014] The first box body and the axial hole of the electronic unit can be positioned and connected by aligning the positioning hole of the electronic unit with the positioning column of the first box body. During this process, the positioning hole is always exposed to the sight. When connecting with the positioning column, it can be seen whether it is aligned, and the connection is fast.

[0015] A further technical solution of the utility model is: a screw hole is provided on the first box body, a stud is provided on the second box body, and a screw passes through the screw hole and the stud to fix the first box body and the second box body.

[0016] In order to further ensure the stability of the connection between the first box body and the second box body, the first box body and the second box body are fixedly connected by screws passing through the screw holes and the studs.

[0017] A further technical solution of the present invention is that a pressing block for pressing the electronic unit is provided inside the second box body.

[0018] When the first box body and the second box body are docked, the electronic unit is pressed by the pressing block to avoid misalignment of the electronic unit during the fixed connection between the first box body and the second box body, thereby ensuring stable connection of the branch device.

[0019] A further technical solution of the utility model is: the second box body is provided with an anti-foolproof block and a transparent mirror matched with the anti-foolproof block, the transparent mirror is provided with a panel, and the second box body is provided with a welding wire groove welded with the transparent mirror.

[0020] The transparent mirror is provided with an anti-foolproof groove 25, and the second box body is provided with an anti-foolproof block that cooperates with the anti-foolproof groove to prevent the transparent mirror from being armed and at the same time have a certain positioning function; the transparent mirror after docking is welded to the second box body through the welding wire groove. Due to the operation of the welding wire groove, when the transparent mirror and the second box body are ultrasonically welded, it can not only ensure reliable welding and accurate positioning, but also prevent defects such as welding glue overflow during the welding process, so that the product has reliable welding, beautiful appearance, and is not easy to produce waste.

[0021] A further technical solution of the utility model is: at least two connectors are provided on the electronic unit, and a knock-off block for covering the connector interface is provided on the first box body and / or the second box body, and the knock-off block is detachable.

[0022] The knock-off block can be disassembled, and different connectors can be exposed according to different needs, which effectively makes the development of two products with different functions compatible, reduces the use of parts, saves the cost of mold opening, facilitates material preparation and storage, and timely delivery, greatly improving the competitiveness of the product.

[0023] A further technical solution of the utility model is: a locking buckle detachably connected to the guide rail is provided on the first box body.

[0024] The first box body and the guide rail are detachable through the locking buckle, which is convenient for disassembly and assembly, flexible, convenient and conducive to maintenance.

[0025] The beneficial effects of the utility model are as follows: the entire electronic unit and the first box body are positioned through the axis hole, and the axis holes are exposed within the field of vision, so positioning is relatively easy during installation and docking; there are no other fixed structural connections between the electronic units, and in order to ensure accuracy during assembly, a deformable support arm is provided on the first box body, and due to the deformation of the support arm, the electronic unit can be accurately clamped, fixed, and installed in place; then the first box body and the second box body are fixedly connected, and the electronic unit is fixed inside the space enclosed by the first box body and the second box body; the branch device in the utility model has no blind spots during assembly, and has high precision and efficiency. At the same time, the electronic unit can be firmly fixed by the first box body and the second box body on the inside of the first box body and the second box body, and the overall structure of the branch device is compact, the design is reasonable, and the connections of various components are reliable and firm. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is an exploded diagram of a load control branch device provided by the utility model;

[0027] Figure 2 It is an exploded view of a load control branch device provided by the utility model from another perspective;

[0028] Figure 3 It is a structural schematic diagram of the second box body provided by the utility model;

[0029] Figure 4 It is a structural schematic diagram of the first box body provided by the utility model.

[0030] Reference numerals: 1. first box body, 11. positioning column, 12. positioning hole, 13. support arm, 14. slot, 15. limiting rib, 16. screw hole, 17. stud, 18. screw,

[0031] 2. Second box body, 21. Anti-fool block, 22. Transparent mirror, 23. Panel, 24. Solder wire slot, 25. Anti-fool slot, 26. Press block,

[0032] 3. Electronic unit, 31. First printed board, 32. Second printed board, 33. Third printed board, 34. Knock-off block, 36. Connector,

[0033] 4. Guide rail, 5. Locking buckle, 6. Positioning rib, 7. Positioning groove, 8. Lead sealing groove, 9. Lead sealing hole. DETAILED DESCRIPTION

[0034] The following is an explanation of the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0035] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of the present specification are only used to match the contents disclosed in the specification for people familiar with the technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the present utility model, should still fall within the scope of the technical contents disclosed by the present utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in the present specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present utility model. The change or adjustment of the relative relationship, without substantial change of the technical contents, should also be regarded as the scope of the implementation of the present utility model.

[0036] Embodiment 1:

[0037] Figure 1-4 A load control branch device is shown, comprising a first box body 1, a second box body 2 and an electronic unit 3 placed between the first box body 1 and the second box body 2, characterized in that the electronic unit 3 is positioned and connected to the axial hole of the first box body 1, a deformable support arm 13 is provided on the first box body 1, the support arm 13 is used to limit the electronic unit 3, and the first box body 1 and the second box body 2 are fixedly connected.

[0038] The entire electronic unit is positioned with the first box body through the axial hole, and the axial holes are exposed within the field of vision, so positioning is relatively easy during installation and docking; there are no other fixed structural connections between the electronic units, and in order to ensure accuracy during assembly, a deformable support arm is provided on the first box body, and due to the deformation of the support arm, the electronic unit can be accurately clamped, fixed, and installed in place; then the first box body is fixedly connected to the second box body, and the electronic unit is fixed inside the space enclosed by the first box body and the second box body; the branch device in the utility model has no blind spots during assembly, and has high accuracy and efficiency. At the same time, the electronic unit can be firmly fixed on the inside of the first box body and the second box body by the first box body and the second box body, and the overall structure of the branch device is compact, the design is reasonable, and the connections of various components are reliable and firm.

[0039] In this embodiment, the electronic unit 3 is placed between the support arms 13 , and the support arms 13 are provided with a slot 14 for limiting the position of the electronic unit 3 .

[0040] When installing the electronic unit, it is done along the extension direction of the support arm. Through the deformation of the support arm, the electronic unit can be clamped in the slot on the support arm. Due to the limitation of the slot position, the electronic unit is accurately positioned. The pin and female connectors between the electronic units can be synchronously docked after the electronic unit and the support arm are connected in place. The connection is simple and fast, and the accuracy is high. The use of the support arm effectively reduces the use of parts between the electronic units and effectively saves costs.

[0041] In this embodiment, the second box body 2 is provided with a limiting rib 15 for preventing the support arm 13 from deforming.

[0042] The support arms are placed between the limiting ribs, which play a role in placing deformation on the ends of the support arms, so that the electronic unit placed between the support arms is firmly installed.

[0043] In this embodiment, the first box body is provided with a positioning rib, and the second box body is provided with a positioning groove that cooperates with the positioning rib. Through the cooperation between the positioning rib and the positioning groove, the first box body and the second box body can be accurately installed together, and have certain guiding positioning and anti-deformation functions.

[0044] In this embodiment, the electronic unit 3 includes a first printed board 31, a second printed board 32 and a third printed board 33 which are arranged in order from large to small in area. The first printed board 31 is positioned and connected to the axial hole of the first box body 1, and the second printed board 32 and the third printed board 33 are limited by the card slot 14.

[0045] The electrical connection of the electronic unit is achieved through pin headers and female headers. During installation, the electronic unit can be assembled first and then connected to the first box body, thus avoiding the problem of difficult docking of the pin headers and female headers between the electronic units; specifically, when the electronic unit is installed with the first box body, the first printed circuit board can be first connected to the first box body through the shaft hole, and then the second printed circuit board and the third printed circuit board can be installed on the first printed circuit board in sequence. During the installation of the second printed circuit board and the third printed circuit board, the positioning of the card slot can ensure smooth docking of the pin headers and female headers on the electronic unit. When the electronic unit is assembled with the first box body, it is convenient and quick, and the support arm can effectively position the electronic unit.

[0046] In this embodiment, a positioning column 11 is provided in the first box body 1 , and a positioning hole 12 matched with the positioning column 11 is provided on the electronic unit 3 .

[0047] The first box body and the axial hole of the electronic unit can be positioned and connected by aligning the positioning hole of the electronic unit with the positioning column of the first box body. During this process, the positioning hole is always exposed to the sight. When connecting with the positioning column, it can be seen whether it is aligned, and the connection is fast.

[0048] In this embodiment, the area of ​​the first printed circuit board of the electronic unit is larger than that of the second printed circuit board, and the area of ​​the second printed circuit board is larger than that of the third printed circuit board. The positioning holes are arranged around the first printed circuit board, which is convenient and quick when connected with the positioning columns.

[0049] In this embodiment, the first printed board 31, the second printed board 32, and the third printed board 33 are arranged in sequence from bottom to top in the branch device.

[0050] In this embodiment, a screw hole 16 is provided on the first box body 1 , a stud 17 is provided on the second box body 2 , and a screw 18 passes through the screw hole 16 and the stud 17 to fix the first box body 1 and the second box body 2 together.

[0051] In order to further ensure the stability of the connection between the first box body and the second box body, the first box body and the second box body are fixedly connected by screws passing through the screw holes and the studs.

[0052] In this embodiment, a pressing block 26 for pressing the electronic unit is disposed inside the second box body 2 .

[0053] When the first box body and the second box body are docked, the electronic unit is pressed by the pressing block to avoid misalignment of the electronic unit during the fixed connection between the first box body and the second box body, thereby ensuring stable connection of the branch device.

[0054] In this embodiment, when the first box body is docked with the second box body, the studs on the second box body will press on the first printed circuit board, and the pressing block will press on the second printed circuit board, further preventing the electronic unit from falling out, and then the first box body and the second box body are connected by screws.

[0055] In this embodiment, a slot for the screw to pass through is provided on the first printed circuit board, and the stud is pressed on the first printed circuit board. When the screw passes through the slot, it is aligned with the stud, so that the first box body and the second box body are fixedly connected by threads.

[0056] In this embodiment, the second box body 2 is provided with an anti-foolproof block 21 and a transparent mirror 22 matched with the anti-foolproof block 21 , the transparent mirror 22 is provided with a panel 23 , and the second box body 2 is provided with a welding wire groove 24 welded to the transparent mirror 22 .

[0057] The transparent mirror is provided with an anti-foolproof groove 25, and the second box body is provided with an anti-foolproof block that cooperates with the anti-foolproof groove to prevent the transparent mirror from being armed and at the same time have a certain positioning function; the transparent mirror after docking is welded to the second box body through the welding wire groove. Due to the operation of the welding wire groove, when the transparent mirror and the second box body are ultrasonically welded, it can not only ensure reliable welding and accurate positioning, but also prevent defects such as welding glue overflow during the welding process, so that the product has reliable welding, beautiful appearance, and is not easy to produce waste.

[0058] In this embodiment, welding wires are provided on the transparent mirror. The design of welding wire grooves and welding wires facilitates the welding installation and positioning of parts and components, and avoids defects such as welding glue overflow. The design of welding wire grooves can also optimize the design and assembly of parts and components, greatly reduce the defective rate, and save costs.

[0059] The use of panels has greatly improved the design flexibility of products, making them compatible with the development of multiple products and greatly saving component costs. The use of transparent mirrors and panel designs has made the design more flexible and more compatible, and can meet the design needs of various functions and requirements. There is no need to redesign the shell and the resulting design costs, component costs, and new mold costs, which greatly saves costs.

[0060] In this embodiment, at least two connectors 36 are provided on the electronic unit 3, and a knock-off block 34 for covering the interface of the connector 36 is provided on the first box body 1 and / or the second box body 2, and the knock-off block 34 is detachable.

[0061] The knock-off block can be disassembled, and different connectors 36 can be selected according to different needs to be exposed, which effectively compatibly develops two products with different functions, reduces the use of parts, saves the cost of mold opening for parts, facilitates material preparation and storage, and timely delivery, greatly improving the competitiveness of the product.

[0062] In this embodiment, the connector 36 includes a Phoenix terminal and an RJ45.

[0063] In this embodiment, the knock-off block is connected to the first box body and the second box body through the knock-off ribs, and the knock-off block can be disassembled by the knock-off ribs during disassembly. The knock-off block and knock-off rib technology are cleverly used, which reduces the use of parts and the cost of related molds, makes the parts more versatile, and makes material preparation and storage convenient and easy.

[0064] In this embodiment, a locking buckle 5 detachably connected to the guide rail 4 is provided on the first box body 1 .

[0065] The first box body and the guide rail are detachable through the locking buckle, which is convenient for disassembly and assembly, flexible, convenient and conducive to maintenance.

[0066] In this embodiment, a lead sealing hole 9 and a lead sealing groove 8 are provided on the first box body, and the anti-theft property is achieved by the cooperation between the lead sealing sheet and the lead sealing hole 9, and the cooperation between the lead sealing block and the lead sealing groove 8.

[0067] The use of lead seals and sealing sheets not only improves the product's anti-theft ability, but also improves its performance, killing two birds with one stone. The flexible use of lead seals and sealing sheets saves costs and avoids the use of extra parts, while also having certain anti-theft functions, meeting the performance requirements of product use, and eliminating the troubles such as the cost of opening an additional mold.

[0068] The assembly method of the utility model is as follows: first, the electronic unit and the first box body are installed: Phoenix terminals and / or RJ45 and other components are welded on the corresponding printed circuit board, and the utility model welds the connector 36 on the first printed circuit board; the welded first printed circuit board is placed in the first box body, and the first printed circuit board is accurately installed in place through the precise positioning of the positioning holes and the positioning columns; then the second printed circuit board and the third printed circuit board are installed in the corresponding card slots of the support arm, and due to the elastic deformation of the support arm, they can be accurately clamped, fixed, and installed in place, and at the same time, the printed circuit boards of the electronic unit are electrically connected through the pin and female headers; the locking buckle is installed in the corresponding guide rail of the first box body, and is ready for use;

[0069] Next, install the second box body: put the transparent mirror into the corresponding position of the second box body. Due to the design of the anti-fool block and the anti-fool groove, the transparent mirror will not be installed by mistake, and it also has a certain positioning function. Due to the design of the welding wire groove, when the transparent mirror and the second box body are ultrasonically welded, it can not only ensure reliable welding and accurate positioning, but also prevent defects such as welding glue overflow during welding, so that the product is welded firmly, beautiful in appearance, not easy to produce waste, etc., and the creepage distance is increased; paste the panel, the assembly is completed, and it is ready for use;

[0070] Next, assemble the first box body and the second box body: put the assembled second box body onto the first box body, and through the design of positioning ribs and positioning grooves, the first box body and the second box body can be accurately installed together, and at the same time, they can have certain guiding, positioning, anti-deformation and other functions. At the same time, the limiting ribs of the second box body will accurately limit the free movement and deformation of the support arm, and have the functions of positioning, anti-deformation, and limiting. In addition, the studs on the second box body will press the top surface of the first printed circuit board, and the pressure block will press the top surface of the second printed circuit board to prevent it from falling out. Put the screws into the screw holes of the first box body, and lock the screws on the studs in the second box body. Stick the lead seal block and the sealing piece to the lead seal groove and the sealing hole of the first box body accordingly, which has certain anti-theft functions and product performance requirements, killing two birds with one stone. The first box body and the second box body form the shell of the branch device, so that the entire shell is completely, tightly and securely installed together;

[0071] Finally, the assembly of the entire branch device for on-site application: snap the buckle on the first box body onto the guide bar, rotate the shell until the shell is completely snapped onto the guide bar, push the locking buckle, and then snap the shell of the entire branch device. In this way, the entire shell is easily assembled. To remove the shell, it is also very easy. Just gently pull the locking buckle in the opposite direction and rotate the shell to remove it. The entire installation and disassembly is easy and convenient.

[0072] When switching product functions, you only need to cut off or retain the corresponding knock-out blocks and knock-out ribs to easily achieve it. The advantage is that the functions can be switched freely and flexibly, which greatly reduces the R&D cost and production cost, and has excellent control over the preparation of parts and components and other related work.

[0073] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A load control branch device, comprising a first box body (1), a second box body (2), and an electronic unit (3) disposed between the first box body (1) and the second box body (2), characterized in that: The electronic unit (3) is positioned and connected to the axial hole of the first box body (1); a deformable support arm (13) is provided on the first box body (1); the support arm (13) is used to limit the position of the electronic unit (3); and the first box body (1) is fixedly connected to the second box body (2).

2. A load control branch device according to claim 1, characterized in that: The electronic unit (3) is placed between the support arms (13), and the support arms (13) are provided with a clamping groove (14) for limiting the position of the electronic unit (3).

3. A load control branch device according to claim 2, characterized in that: The second box body (2) is provided with a limiting rib (15) for preventing the support arm (13) from deforming.

4. A load control branch device according to claim 2, characterized in that: The electronic unit (3) comprises a first printed board (31), a second printed board (32) and a third printed board (33) which are arranged in descending order of area; the first printed board (31) is positioned and connected to the axial hole of the first box body (1); the second printed board (32) and the third printed board (33) are limited by a card slot (14).

5. A load control branch device according to claim 1, characterized in that: A positioning column (11) is provided in the first box body (1), and a positioning hole (12) cooperating with the positioning column (11) is provided on the electronic unit (3).

6. A load control branch device according to claim 1, characterized in that: The first box body (1) is provided with a screw hole (16), the second box body (2) is provided with a stud (17), and the screw (18) passes through the screw hole (16) and the stud (17) to fix the first box body (1) and the second box body (2) in connection.

7. A load control branch device according to claim 6, characterized in that: A pressing block (26) for pressing the electronic unit (3) is provided on the inner side of the second box body (2).

8. A load control branch device according to claim 1, characterized in that: The second box body (2) is provided with an anti-foolproof block (21) and a transparent mirror (22) matched with the anti-foolproof block (21), the transparent mirror (22) is provided with a panel (23), and the second box body (2) is provided with a welding wire groove (24) welded to the transparent mirror (22).

9. A load control branch device according to claim 1, characterized in that: The electronic unit (3) is provided with at least two connectors (36), and the first box body (1) and / or the second box body (2) is provided with a knock-out block (34) for covering the interface of the connector (36), and the knock-out block (34) is detachable.

10. A load control branch device according to claim 1, characterized in that: The first box body (1) is provided with a locking buckle (5) which is detachably connected to the guide rail (4).

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