A power module and busbar power distribution system

Abstract

The utility model provides a power module and a busbar power distribution system. The function of the power module is to obtain AC220V power or DC240V from the composite busbar busbar, convert it to DC24V through the power conversion module, and finally output it to the composite busbar low-voltage DC power busbar through the adapter plate. The module includes an upper shell, and the upper shell and the lower shell form a accommodating space. The power conversion module, the adapter plate, the mounting plate and the plug-in component are fixed in sequence in the accommodating space. The power conversion module is connected to the plug-in component through the mounting plate. The plug-in component includes a plug-in box and a signal component, and the signal components are all embedded in the plug-in box. The power module described in the utility model includes a detachable plug-in box, which realizes universal DC / AC input and DC24V output. The device can be installed at any position of the composite busbar, and can realize power supply to the composite busbar low-voltage DC busbar; the device supports parallel use, and plugging in multiple modules can improve the power supply capacity of the composite busbar low-voltage DC busbar.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical power supply, in particular to a power supply module and a busbar power supply system. Background Art

[0002] In the power distribution system, the power supply unit is used to power intelligent devices. It draws power from the 380VAC bus, converts it into DC24V through the built-in power module, and supplies power to the device power supply bus (DC24V) through the composite bus to power the starting unit, output unit, relay unit and other devices.

[0003] However, the power modules of the current busbar power distribution system can only be fixed at a specific position of the busbar, and if a fault occurs, the entire power distribution system needs to be powered off first, and then dismantled and replaced, which is a cumbersome operation. Summary of the invention

[0004] Purpose of the invention: The utility model aims at solving the problems existing in the above-mentioned prior art and constructs a power module. In addition, the utility model also proposes a busbar power distribution system.

[0005] Technical solution: On the one hand, the utility model provides a power module, which includes an upper shell and a lower shell docked with the upper shell, the upper shell and the lower shell form an accommodating space, in which a power conversion module, a mounting plate and a plug-in component are fixed in sequence, the power conversion module is connected to the plug-in component through the mounting plate, and a mounting hole is opened on the lower shell, part of the plug-in component is exposed from the mounting hole, the plug-in component includes a plug-in box and a signal component, the signal components are all embedded in the plug-in box, the signal component includes: a power-taking board, a power-taking spring and a signal board assembly, the power-taking board is fixed to the A side of the plug-in box, the A side is a side of the plug-in box facing the upper shell after installation, the side opposite to the A side is recorded as the B side, the B side is in contact with the composite bus, the power-taking spring protrudes from the B side of the plug-in box after being installed on the power-taking board, and the signal board assembly is installed at the end of the A side.

[0006] Further, including:

[0007] Two ends of the upper shell extend outwards to form a first clamping plate and a second clamping plate, respectively. The first clamping plate and the second clamping plate are arranged across two sides of the composite busbar.

[0008] Further, including:

[0009] The first clamping plate and the second clamping plate are respectively provided with knob plungers, and the knob plungers abut against one side of the composite busbar, and are used for fixing and loosening the composite busbar when the knob plungers are rotated in different directions.

[0010] Further, including:

[0011] The mounting plate is fixed to the conversion plate by means of studs, and connecting plates are respectively extended from both sides of the mounting plate, and the connecting plates are fixedly mounted to the A side of the plug-in box.

[0012] Further, including:

[0013] The plug-in box includes a main board, a side of the main board facing the upper shell is the A side, and the side opposite to the A side is the B side. A plurality of groups of card slots are arranged on the main board located on the B side, and a first through hole is arranged on the main board corresponding to each group of card slots, and the power extraction spring is placed in the card slot after passing through the first through hole.

[0014] Further, including:

[0015] The signal board assembly includes a low-voltage DC power adapter board and a communication adapter board, which are respectively arranged at the upper and lower ends of the A side.

[0016] Further, including:

[0017] At least two second through holes are provided on the power-taking plate, and the power-taking spring sheet includes an upper connecting sheet and a lower connecting sheet. One end of the upper connecting sheet and the lower connecting sheet are respectively fixed in different second through holes, and a steel sheet is provided between the other ends of the upper connecting sheet and the lower connecting sheet.

[0018] On the other hand, the utility model also provides a busbar power distribution system, characterized in that it comprises a plurality of the above-mentioned power modules and composite busbars, wherein the power modules are plugged into any position of the composite busbar via a plug-in box.

[0019] Beneficial effects:

[0020] (1) The power module described in the utility model includes a detachable plug-in box, which realizes universal DC (DC240V) and AC (AC220V) input and DC24V output, and includes multiple adjustable plug-in slots that can be spliced ​​according to user needs, such as 2-way, 3-way, 4-way, etc. The plug-in box can be used in different units as a separate module, and can be used in the output unit by simply adjusting the lower shell.

[0021] (2) The plug-in box in the power module is provided with a plurality of plug-in slots, by which the power module can be directly connected to any position of the busbar, which is simple to operate and convenient to disassemble and install. Therefore, the device also supports parallel use, and plugging in multiple modules can improve the power supply capacity of the composite busbar low-voltage DC busbar.

[0022] (3) The power module described in the utility model can be plugged into any position of the busbar, and is plug-and-play and supports hot swapping. Therefore, a new module can be plugged in and then the faulty module can be removed to achieve uninterrupted power supply;

[0023] (4) The power module of the utility model provides plug slots of different types, and can support redundant power supply of power modules on different busbars by connecting cables to the tail end cascade unit.

[0024] (5) The power module of the utility model is provided with a knob plunger, which can fix or loosen the busbar with a simple rotation;

[0025] (6) The power module of the present application is arranged on a rocker-type switch. During the voltage withstand test, there is no need to dismantle the equipment, and the operation is simpler and more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 It is a structural schematic diagram of the power module described in the embodiment of the utility model;

[0028] Figure 2 is a schematic structural diagram of the power module according to an embodiment of the utility model from another perspective;

[0029] Figure 3 This is a schematic diagram of the structure after the upper shell is removed according to the embodiment of the utility model;

[0030] Figure 4 It is a structural schematic diagram of the plug-in box according to an embodiment of the utility model;

[0031] Figure 5 This is a structural schematic diagram of a signal component described in an embodiment of the utility model;

[0032] Figure 6 It is a schematic diagram of the installation structure of the power taking small board and the power taking spring sheet according to the embodiment of the utility model;

[0033] Figure 7 It is a structural schematic diagram of a busbar power supply system according to an embodiment of the utility model;

[0034] Among them, the figure includes: a power module 100, a composite busbar 200, an upper shell 1, a first card board 11, a second card board 12, a lower shell 2, a power conversion module 3, a mounting plate 4, a plug-in component 5, a plug-in box 51, a side A 511, a side B 512, a main board 513, a first through hole 5131, a card slot 514, a signal component 52, a power-taking board 521, a power-taking spring sheet 522, an upper connecting sheet 5221, a lower connecting sheet 5222, a steel sheet 5223, a signal board assembly 523, a low-voltage DC power adapter board 5231, a communication adapter board 5232, a second through hole 524, a knob plunger 6, a connecting plate 7, a plug slot 8, a switch 9, and a signal spring sheet 10. DETAILED DESCRIPTION

[0035] In order to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0036] See also Figure 1 and 2 As shown, the utility model provides a power module 100, which is used to obtain AC220V power (or DC240V) from a composite busbar, and convert it to DC24V through a power conversion module, and finally output it to the low-voltage DC power bus of the composite bus through a converter board. The module includes an upper shell 1, and a lower shell 2 docked with the upper shell 1. The upper shell 1 and the lower shell form an accommodating space, and a power conversion module 3, a mounting plate 4 and a plug-in component 5 are fixed in the accommodating space in sequence. The power conversion module 3 is connected to the plug-in component 5 through the mounting plate 4, and is used to realize AC to DC conversion. A mounting hole 21 is opened on the lower shell 2, and part of the plug-in component 5 is exposed from the mounting hole 4. The plug-in component 5 includes a plug-in box 51 and a signal component 52, and the signal component 52 is embedded in the plug-in box 51.

[0037] The signal component 52 includes: a power supply board 521, a power supply spring 522 and a signal board component 523. The power supply board 521 is mainly used to fix the power supply spring on the plug-in box, and a plurality of card slots are provided on the plug-in box. A power supply spring can be arranged in each card slot as needed. Therefore, the number and position of the power supply board are uncertain. It is designed according to specific needs. The present application does not make any specific restrictions on its structure as long as the above functions are met.

[0038] In this embodiment, the power-taking board 521 is fixed on the A side 511 of the plug-in box. The A side 511 is a side of the plug-in box facing the upper shell 1 after installation. The side opposite to the A side 511 is recorded as the B side 512. The B side 512 abuts against the composite bus 200. The power-taking spring 522 protrudes from the B side 512 of the plug-in box after being installed on the power-taking board 521. The signal board assembly 523 is installed at the end of the A side 511. In this embodiment, the two ends installed on the A side 511 are respectively recorded as the low-voltage DC power adapter board 5231 and the communication adapter board 5232, which are respectively arranged at the upper and lower ends of the A side 511, and are respectively used for DC power transfer and communication transfer. Specifically, they are respectively connected to the DC bus and the communication bus in the composite bus.

[0039] A ship-shaped three-phase switch 9 is provided outside the upper shell 1, and is used for conducting a withstand voltage test without removing the equipment.

[0040] Furthermore, in this embodiment, two ends of the upper shell 1 extend outward to form a first clamping plate 11 and a second clamping plate 12 , respectively. The first clamping plate 11 and the second clamping plate 12 are arranged across two sides of the composite busbar 200 .

[0041] The first clamping plate 11 and the second clamping plate 12 are respectively provided with a knob plunger 6, and the knob plunger 6 abuts against one side of the composite busbar 200, that is, the present application is provided with two knob plungers 6, which are respectively provided on both sides of the composite busbar 200, and are used to fix and loosen the composite busbar when the knob plunger 6 is rotated in different directions. For example, if the knob plungers 6 are rotated clockwise, the two knob plungers 6 are relatively locked, so that the power module 100 and the composite busbar 200 are clamped and fixed, and if the knob plungers 6 are rotated in the opposite direction, the power module 100 and the composite busbar 200 are loosened, so that the power module 100 is convenient to disassemble.

[0042] Further, in this embodiment, if Figure 3 As shown, the mounting plate 4 is fixed to the power conversion module 3 by means of studs, and connecting plates 7 are respectively extended from both sides of the mounting plate 4 , and the connecting plates 7 are fixedly mounted to the A side 511 of the plug-in box 51 .

[0043] like Figure 4As shown, the plug-in box 51 includes a main board 513, a side of the main board facing the upper shell 1 is the A side 511, and the side opposite to the A side 511 is the B side 512. Five groups of snap-in grooves 514 with at least a certain height are arranged on the main board 513 located on the B side 512, that is, the snap-in grooves 514 have a certain height and are used to be snapped onto the composite busbar 200. A first through hole 5131 is arranged on the main board 513 corresponding to each group of snap-in grooves 514, and the power-taking spring 522 passes through the first through hole 5131 and is placed in the snap-in groove 514.

[0044] Furthermore, in this embodiment, the clamping slot 514 includes an upper plate and a lower plate, and bosses are arranged at corresponding positions of the upper plate and the lower plate. After the power-taking spring piece 522 passes through the first through hole 5131, it is placed between the two corresponding bosses. The setting of the bosses is used to reduce the distance between the upper and lower plates, so as to facilitate the fixed positioning of the power-taking spring piece 522 after passing through the first through hole 5131, prevent shaking, and better clamp with the composite busbar. Figure 5 As shown, it is a schematic diagram of the structure of a signal component. In this figure, two groups of power-taking boards and power-taking springs are correspondingly arranged and respectively installed in the plug-in box 51. The upper and lower ends are signal board components 523, which are plugged into the plug slot 8 through the signal spring sheet 10, and are used to connect other components and communicate with them.

[0045] In the above embodiment, the number of power springs 522 is installed according to the number of routes of the composite busbar 200, and the installation position of the power spring 522 is installed according to the required position of the composite busbar 200. Therefore, according to the above structure, the power module can be directly connected to any position of the busbar by using the plug-in slot, which is simple to operate and convenient to disassemble and install; the power module 100 described in the utility model supports multiple parallel use, thereby improving power output. At the same time, plug-and-play can be realized, and hot-swappable is supported. Therefore, the faulty module can be removed after the new module is plugged in to achieve uninterrupted power supply.

[0046] Furthermore, in this embodiment, if Figure 6 As shown, at least two second through holes 524 are provided on the power-taking plate 521, and the power-taking spring piece 522 includes an upper connecting piece 5221 and a lower connecting piece 5222. One end of the upper connecting piece 5221 and the lower connecting piece 5222 are respectively fixed in different second through holes 524, and a steel sheet 5223 is provided between the other ends of the upper connecting piece 5221 and the lower connecting piece 5222. In this embodiment, the power-taking spring piece 522 is provided in different second through holes 524, and the power-taking spring piece 522 can be provided in different clamping slots 514, thereby realizing communication and power taking of different routes.

[0047] like Figure 3As shown, the signal component 52 also includes a signal shrapnel 10 and a probe 525. The signal shrapnel 10 is fixed on a side of the signal board component 523 away from the upper shell 1, and its end is passed from the A side 5131 of the main board 513 to the B side 5132 of the main board 513. The probe 525 is arranged on the signal board component 523 in the same direction as the signal shrapnel 10.

[0048] like Figure 4 As shown, the two ends of the corresponding plug box 51 are provided with plug slots 8, and the signal spring 10 is inserted into the plug slots 8. The above-mentioned plug slot is three-phase, so it supports three-phase power supply, has the ability to supply power in the absence of a phase, and through the cable connection of the tail end cascade unit, it can support redundant power supply of power modules on different busbars, and finally can achieve a power of 240W, AC 220V / 380V or DC 240V input, and DC 24V output.

[0049] On the other hand, the utility model also provides a busbar power distribution system, such as Figure 7 As shown, it includes several power modules 100 described above and several composite busbars 200, and the power modules are plugged into any position of the composite busbar 200 through a plug-in box. That is, the power module supports the use of multiple power modules in parallel (which can be installed at any position of the busbar respectively) to improve the power output, and can realize the removal of the faulty module after the new module is plugged in, so as to realize uninterrupted power supply.

[0050] In the description of the present application, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, if the terms "first", "second", etc. appear, they are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0051] Although the preferred embodiments of the present invention have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0052] Obviously, those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if these modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A power module, characterized in that: The module comprises an upper shell (1) and a lower shell (2) butt-jointed with the upper shell (1); the upper shell (1) and the lower shell (2) form a housing space; a power conversion module (3) and a plug-in assembly (5) are fixed in sequence in the housing space; the power conversion module (3) and the plug-in assembly (5) are fixedly installed; the plug-in assembly (5) comprises: a plug-in box (51) and a signal assembly (52); the signal assembly (52) is embedded in the plug-in box (51); the signal assembly (52) comprises a signal board assembly (523); the signal board assembly (523) comprises a low-voltage DC power adapter board (5231) and a communication adapter board (5232), which are respectively arranged at the upper and lower ends of the plug-in box (51).

2. The power module according to claim 1, characterized in that: It also comprises a mounting plate (4), and the power conversion module (3) and the plug-in box (51) are connected via the mounting plate (4).

3. The power module according to claim 2, characterized in that: The mounting plate (4) is fixed on the power conversion module (3), and connecting plates (7) are respectively extended from both sides of the mounting plate (4) in a direction away from the power conversion module (3), and the connecting plates (7) are fixedly mounted on the plug-in box (51).

4. The power module according to claim 1, characterized in that: The signal component (52) also includes a plurality of power supply boards (521), wherein the power supply boards (521) are fixed to the A side (511) of the plug-in box (51), wherein the A side (511) is a side of the plug-in box (51) facing the upper shell (1) after installation, and the side opposite to the A side (511) is denoted as the B side (512), and the B side (512) is in contact with the composite busbar (200).

5. The power module according to claim 4, characterized in that: The signal component also includes a plurality of power-taking springs (522), which are mounted on corresponding power-taking small boards (521) and protrude outside the B side (512) of the plug-in box (51).

6. The power module according to claim 5, characterized in that: The plug-in box (51) comprises a main board (513), and a plurality of groups of card slots (514) are arranged on the main board (513) located on the B side (512), and a first through hole (5131) is arranged on the main board (513) corresponding to each group of card slots (514), and the power extraction spring (522) passes through the first through hole (5131) and is placed in the card slot (514).

7. The power module according to claim 5, characterized in that: At least two second through holes (524) are provided on the power-taking plate (521), and the power-taking spring sheet (522) comprises an upper connecting sheet (5221) and a lower connecting sheet (5222), one end of the upper connecting sheet (5221) and the lower connecting sheet (5222) are respectively fixed in different second through holes (524), and a steel sheet is provided between the other ends of the upper connecting sheet (5221) and the lower connecting sheet (5222).

8. The power module according to claim 4, characterized in that: Two ends of the upper shell (1) extend outwards to form a first clamping plate (11) and a second clamping plate (12), respectively; the first clamping plate (11) and the second clamping plate (12) are arranged across two sides of the composite busbar (200).

9. The power module according to claim 8, characterized in that: The first clamping plate (11) and the second clamping plate (12) are respectively provided with a knob plunger (6), and the knob plunger (6) abuts against one side of the composite busbar (200) and is used to fix and release the composite busbar (200) when the knob plunger (6) is rotated in different directions.

10. A busbar power distribution system, characterized in that: It comprises several power modules as claimed in any one of claims 1 to 9 and several composite busbars, wherein the power modules are plugged into any position of the composite busbars through a plug-in box.

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