An integrated multi-functional power distribution unit

Abstract

The present invention provides an integrated multi-functional power distribution unit, which includes a base. A circuit board is arranged inside the base, and a power distribution module is plugged on the base. The power distribution module is fixedly connected to the base through a buckle, and includes a communication module, a surge protector, a main switch, and a branch switch arranged in parallel in sequence. A connecting conductor is arranged inside the base on one side of the circuit board. The outgoing line end of the main switch is connected in parallel with the incoming line ends of the branch switch and the surge protector through the connecting conductor. An incoming line end of an electrical loop is arranged on the main switch, and the outgoing line end of the surge protector is grounded. The present invention is convenient to install and has higher safety.

Description

Technical Field

[0001] The present invention relates to the field of distribution units, and in particular to an integrated multifunctional distribution unit. Background Art

[0002] In modern power grid design, the distribution unit is an important link. With the improvement of people's living standards, the demands in all aspects of material culture are becoming more and more abundant, and the requirements for the quality of life are also getting higher and higher. Therefore, the protection function of the distribution unit also needs to keep pace with the times. With the diversification of the protection functions of the current distribution unit, more and more weak current modules are configured for the distribution unit. At present, the weak current modules of the distribution unit are basically integrated in the power distribution module, and the strong and weak currents are not separated, resulting in a very large structure and very complex circuits, with certain potential safety hazards. The overly complex circuits are very troublesome to install. Sometimes, due to the limitation of the installation space, some protection functions will inevitably be discarded. Therefore, it is necessary to design an integrated multifunctional distribution unit with a high degree of integration. Summary of the Invention

[0003] To solve the defects of single function, complex installation and low safety of the distribution unit in the prior art, the present invention provides an integrated multifunctional distribution unit, which is convenient to install and has higher safety.

[0004] The present invention provides an integrated multifunctional distribution unit, including a base. A circuit board is arranged in the base. A power distribution module is plugged on the base. The power distribution module and the base are fixedly connected by a buckle. The power distribution module includes a communication module, a surge protector, a main switch and a branch switch which are arranged in parallel in sequence. A connecting conductor is arranged on one side of the circuit board in the base. The outgoing line end of the main switch is connected in parallel with the incoming line ends of the branch switch and the surge protector through the connecting conductor. An incoming line end of an electrical circuit is arranged on the main switch. The outgoing line end of the surge protector is grounded.

[0005] Preferably, a display module is further arranged, and the display module is arranged on the communication module and the surge protector.

[0006] Preferably, the connecting conductor includes a copper bar fixedly arranged on the base. The copper bar includes a neutral copper bar and a live copper bar which are fixedly connected to the base and arranged side by side. Wiring terminals extending upward are arranged on both the neutral copper bar and the live copper bar. The wiring terminals are plugged into the incoming line ends of the power distribution module. An instrument transformer is arranged between the two incoming line ends of the same power distribution module.

[0007] Preferably, a fixing device is provided on the back of the base, and the fixing device includes a raised portion and a fixing plate provided on the back of the base, and the raised portion is provided with a V-shaped extension end pointing to the middle of the base near the middle of the base, and an upper clamping groove is formed between the V-shaped extension end and the back of the base, and the fixing plate includes a fixed portion raised in the middle and clamping portions extending on both sides, the clamping portion on one side of the fixing plate is slidably provided in the upper clamping groove, and the other clamping portion is clamped in the elastic locking mechanism, and the elastic locking mechanism is fixedly provided on the side of the back of the base opposite to the raised portion.

[0008] Preferably, the elastic locking mechanism includes a locking seat fixedly connected to the back of the base, a slide sliding on the locking seat is slidably provided on the locking seat, an inverted V-shaped protrusion is provided on the side of the slide close to the fixed plate, a lower slot is formed between the inverted V-shaped protrusion and the base, the lower slot is clamped with the clamping part of the fixed plate, a locking spring pointing to the lower slot is fixedly connected to the center of the locking seat, and the other end of the locking spring is fixedly connected to the slide.

[0009] Preferably, an isolation plate is fixedly provided between the base and the power distribution module.

[0010] Preferably, an elastic snap-in plate is provided on the edge of the base, a triangular buckle is provided on the top of the elastic snap-in plate, and card interfaces are provided on both sides of the bottom of the power distribution module, and the card interface includes a triangular recessed portion matching the triangular buckle.

[0011] Preferably, an insulating layer is provided between the neutral copper busbar and the live copper busbar.

[0012] Preferably, an inwardly recessed sliding area is provided at the bottom of the locking seat near the base, and an inwardly buckled slide is provided at a position corresponding to the slide. The slide is buckled in the sliding area so that the slide and the slide form an embracing structure.

[0013] Preferably, a limiting partition is provided in the middle of the sliding area.

[0014] Compared with the prior art, the present invention has the following advantages:

[0015] (1) The design adopts an upper and lower isolation type. The weak current module and the circuit board are arranged on the base. The distribution module structure is arranged on the base. The distribution module and the circuit board are separated by an isolation plate to achieve strong and weak separation and improve safety and stability.

[0016] (2) The weak current module and circuit board are integrated on the base, and the distribution module components are installed in a plug-in manner, which makes it easier to replace the circuit breaker and is simple to install, which is beneficial for later maintenance;

[0017] (3) The power distribution modules are connected in parallel by an internally designed conductive structure, saving external wiring, making installation more convenient and having a great cost advantage. Description of the Drawings

[0018] Figure 1 It is a schematic diagram of the external structure of an integrated multifunctional power distribution unit in an embodiment of the present invention;

[0019] Figure 2 It is a schematic diagram of the top view of the base of an integrated multifunctional power distribution unit in an embodiment of the present invention;

[0020] Figure 3 It is a schematic diagram of the side view of the base of an integrated multifunctional power distribution unit in an embodiment of the present invention;

[0021] Figure 4 It is a schematic diagram of the copper bar structure of an integrated multifunctional power distribution unit in an embodiment of the present invention;

[0022] Figure 5 It is a schematic diagram of the elastic locking device structure of an integrated multifunctional power distribution unit in an embodiment of the present invention.

[0023] Figure 6 It is a schematic diagram of the internal structure of the base of an integrated multifunctional power distribution unit in an embodiment of the present invention.

[0024] The reference numerals are as follows:

[0025] 1. Base; 2. Communication module; 3. Surge protector; 4. Main switch; 5. Branch switch; 6. Copper bar; 7. Wiring terminal; 8. Current transformer; 9. Fixed plate; 10. Protrusion; 11. Upper card slot; 12. Elastic locking mechanism; 13. Locking seat; 14. Locking spring; 15. Slide seat; 16. Sliding area; 17. Slide plate; 18. Display module; 19. Lower card slot; 20. Limit partition; 21. Partition board; 22. Elastic clamping plate. Detailed Embodiments

[0026] In order to make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0027] The following further describes the specific embodiments of the present invention with reference to the accompanying drawings.

[0028] As Figure 1As shown in the figure, an integrated multi-functional power distribution unit includes a base 1. A circuit board is arranged inside the base 1, and various protective electronic modules can be arranged on the circuit board according to needs, such as a leakage inductor, a current and voltage overload protection device, a communication module 2, etc. For details, reference can be made to the prior art. A power distribution module is plugged into the base 1, and the power distribution module is fixedly connected to the base 1 through a buckle. The power distribution module includes a communication module 2, a surge protector 3, a main switch 4, and branch switches 5 arranged in parallel in sequence. The number of branch switches 5 is set according to needs. A connecting conductor is arranged on one side of the circuit board inside the base 1. The outgoing line end of the main switch 4 is connected in parallel with the incoming line ends of the branch switches 5 and the surge protector 3 through the connecting conductor. An electrical circuit incoming line end is arranged on the main switch 4, and the outgoing line end of the surge protector 3 is grounded. The communication, data processing, and protection of all modules of this power distribution unit are completed by the circuit board arranged inside the base 1. This design can reduce the overall design cost of the power distribution unit and improve reliability.

[0029] In a preferred embodiment of the present invention, as Figure 1 shown in the figure, a display module 18 is further provided. The display module 18 is arranged on the communication module 2 and the surge protector 3. The display module 18 is electrically connected to the circuit board and is used to display relevant data information of the power distribution unit, such as power consumption, working status, etc. A general display module 18 for the power distribution unit can be selected, and its specific structure and installation method can refer to the prior art.

[0030] In a preferred embodiment of the present invention, the connecting conductor includes a copper bar 6 fixedly arranged on the base 1. As Figure 2 shown in the figure, the copper bar 6 includes a neutral copper bar 6 and a live copper bar 6 fixedly connected to the base 1 and arranged in parallel. Wiring terminals 7 extending upward are arranged on both the neutral copper bar 6 and the live copper bar 6. The wiring terminals 7 are plugged into the incoming line ends of the power distribution module. An instrument transformer 8 is arranged between the two incoming line ends of the same power distribution module. The copper bar 6 is generally L-shaped and includes a fixed part horizontally fixed on the base 1 and a vertical plug-in part. The plug-in parts of the neutral copper bar 6 and the live copper bar 6 are arranged back to back and parallel to each other, as Figure 4 shown in the figure. An insulating layer is arranged between the plug-in ends of the neutral copper bar 6 and the live copper bar 6 to prevent mutual arcing and short circuit.

[0031] In a preferred embodiment of the present invention, a fixing device is arranged on the back of the base 1. As Figure 3As shown, the fixing device includes a convex portion 10 provided on the back of the base 1 and a fixing plate 9. The convex portion 10 is provided near the middle of the base 1 with a V-shaped extension end pointing to the middle of the base 1. An upper card slot 11 is formed between the V-shaped extension end and the back of the base 1. The fixing plate 9 includes a fixing portion protruding in the middle and clamping portions extending on both sides. One clamping portion on one side of the fixing plate 9 is slidably arranged in the upper card slot 11, and the other clamping portion is clamped in the elastic locking mechanism 12. The elastic locking mechanism 12 is fixedly arranged on the side of the back of the base 1 opposite to the convex portion 10. Generally, through holes are provided on the fixing plate 9. During use, the fixing plate 9 is first fixed to the wall or the electrical cabinet with bolts. The elastic locking mechanism 12 is pulled open, the clamping portion of the fixing plate 9 is clamped into the elastic locking mechanism 12, and then the elastic locking mechanism 12 is released, so that the other clamping portion of the fixing plate 9 is clamped into the upper card slot 11, and the base 1 can be fixedly installed on the wall or the electrical cabinet.

[0032] In a preferred embodiment of the present invention, as Figure 5 shown, the elastic locking mechanism 12 includes a locking seat 13 fixedly connected to the back of the base 1. A sliding seat 15 that slides on the locking seat 13 is slidably arranged on the locking seat 13. The locking seat 13 is generally rectangular parallelepiped-shaped, and a T-shaped sliding groove is provided on the upper surface. The sliding seat 15 is slidably arranged in the sliding groove through a T-shaped protrusion. An inverted V-shaped protrusion is provided on the side of the sliding seat 15 close to the fixing plate 9. A lower card slot 19 is formed between the inverted V-shaped protrusion and the base 1. The lower card slot 19 clamps the clamping portion of the fixing plate 9. A notch is provided in the center of the locking seat 13, and a locking spring 14 pointing to the lower card slot 19 is fixedly connected in the notch. The other end of the locking spring 14 is fixedly connected to the sliding seat 15. The spring and the sliding groove can ensure the pressing force of the lower card slot 19 on the fixing plate 9. In one case, a sliding area 16 that is recessed inward can be provided at the position of the bottom of the locking seat 13 close to the base 1, and a sliding plate 17 that is buckled inward is provided on the corresponding sliding seat 15. This structure can replace the T-shaped sliding groove. A limiting partition 20 can be provided in the middle of the sliding area 16 to limit the moving distance of the sliding seat 15 and prevent it from coming out.

[0033] In a preferred embodiment of the present invention, an isolation plate 21 is fixedly arranged between the base 1 and the power distribution module. As Figure 2 shown, the isolation plate 21 generally adopts an insulating plate with electromagnetic isolation to achieve the isolation of strong electricity and weak electricity. Some through holes need to be provided on the isolation plate 21 to facilitate the electrical connection of each electronic module to the corresponding position. The isolation plate 21 is fixedly connected to the base 1 by screws. The screw installation position can refer to Figure 4 shown. For the convenience of observation, Figure 4 the layout mode of the electronic modules is omitted in

[0034] In a preferred embodiment of the present invention, as Figure 6As shown, an elastic snap-in plate 22 is provided on the edge of the base 1, a triangular inverted buckle is provided on the top of the elastic snap-in plate 22, and card interfaces are provided on both sides of the bottom of the power distribution module. The card interface includes a triangular recessed portion that matches the triangular inverted buckle. During installation, the card interface of the power distribution module can be locked correspondingly to the corresponding elastic snap-in plate 22.

[0035] 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. An integrated multifunctional power distribution unit, characterized in that It includes a base, a circuit board is arranged inside the base, a power distribution module is plugged on the base, and the power distribution module is fixedly connected to the base through a buckle. The power distribution module includes a communication module, a surge protector, a main switch, and a branch switch arranged in parallel in sequence. A connecting conductor is arranged on one side of the circuit board inside the base. The outgoing line end of the main switch is connected in parallel with the incoming line ends of the branch switch and the surge protector through the connecting conductor. An incoming line end of an electrical circuit is arranged on the main switch, and the outgoing line end on the surge protector is grounded. A fixing device is arranged on the back of the base. The fixing device includes a convex part and a fixing plate arranged on the back of the base. The convex part is close to the middle of the base and is provided with a V-shaped extension end pointing to the middle of the base. An upper card slot is formed between the V-shaped extension end and the back of the base. The fixing plate includes a fixed part protruding in the middle and clamping parts extending on both sides. One clamping part on one side of the fixing plate is slidably arranged in the upper card slot, and the other clamping part is clamped in an elastic locking mechanism. The elastic locking mechanism is fixedly arranged on the side of the back of the base opposite to the convex part. The elastic locking mechanism includes a locking seat fixedly connected to the back of the base. A sliding seat is slidably arranged on the locking seat. An inverted V-shaped protrusion is arranged on the sliding seat close to the fixing plate. A lower card slot is formed between the inverted V-shaped protrusion and the base. The clamping part of the fixing plate is clamped in the lower card slot. A locking spring pointing to the lower card slot is fixedly connected to the center of the locking seat, and the other end of the locking spring is fixedly connected to the sliding seat. An isolation plate is fixedly arranged between the base and the power distribution module.

2. The integrated multifunctional power distribution unit according to claim 1, characterized in that A display module is also arranged, and the display module is arranged on the communication module and the surge protector.

3. The integrated multifunctional power distribution unit according to claim 1, characterized in that, The connecting conductor includes a copper bar fixedly arranged on the base. The copper bar includes a zero-line copper bar and a live-line copper bar fixedly connected to the base and arranged in parallel. Wiring terminals extending upward are arranged on both the zero-line copper bar and the live-line copper bar. The wiring terminals are plugged into the incoming line end of the power distribution module. An instrument transformer is arranged between the two incoming line ends of the same power distribution module.

4. An integrated multi-functional power distribution unit according to claim 1, characterized in that, Elastic clamping plates are arranged on the edge of the base. Triangular buckles are arranged at the top ends of the elastic clamping plates. Card interfaces are arranged on both sides of the bottom of the power distribution module. The card interfaces include triangular concave parts matching the triangular buckles.

5. The integrated multi-functional power distribution unit according to claim 3, characterized in that, An insulating layer is arranged between the zero-line copper bar and the live-line copper bar.

6. The integrated multi-functional power distribution unit according to claim 1, characterized in that, A sliding area recessed inward is arranged at a position close to the base at the bottom of the locking seat. A sliding plate buckled inward is arranged at the corresponding position of the sliding seat. The sliding plate is buckled in the sliding area to form a clamping structure between the sliding seat and the sliding plate.

7. The integrated multifunctional power distribution unit according to claim 6, wherein, A limiting partition plate is arranged in the middle of the sliding area.

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