Power distribution unit and electric equipment

Abstract

The utility model relates to the technical field of power distribution, and discloses a power distribution unit and electric equipment.The power distribution unit comprises a shell, a power distribution assembly and a fixing support, the shell is provided with a containing cavity and an opening, and the containing cavity is communicated with the outside through the opening; the power distribution assembly is arranged in the accommodating cavity; the fixing support is arranged in the containing cavity and used for fixing a base of the lightning protection device, and the opening is used for installing a lightning protection module of the lightning protection device on the base of the lightning protection device in the direction from the opening to the containing cavity. By means of the mode, when the lightning protection module of the lightning protection device needs to be disassembled, installed and maintained, the shell does not need to be disassembled, the lightning protection module of the lightning protection device can be taken out through the opening, and operation is easy and convenient.

Description

Technical Field

[0001] The present application relates to the technical field of power distribution, and in particular to a power distribution unit and power-consuming equipment. Background Art

[0002] The power distribution unit is a product designed to provide power distribution for cabinet-mounted electrical equipment. It has a variety of series specifications with different functions, installation methods and different socket combinations, and can provide suitable rack-mounted power distribution solutions for different power supply environments.

[0003] As an optional component of the power distribution unit, the lightning arrester can be installed according to actual needs to improve the safety performance of the power distribution unit. The traditional power distribution unit installs the lightning arrester inside the shell. When the lightning protection module of the lightning arrester needs to be disassembled, installed and maintained, the shell of the power distribution unit needs to be disassembled, which is cumbersome and time-consuming. Utility Model Content

[0004] In view of the problems existing in the background technology, the purpose of the present application is to provide a power distribution unit and an electrical device to at least solve the problems existing in the prior art.

[0005] According to the first aspect of the present application, there is provided a power distribution unit, comprising: a shell, a power distribution component and a fixed bracket, the shell being provided with a accommodating cavity and an opening, the opening connecting the accommodating cavity with the outside; the power distribution component being arranged in the accommodating cavity; the fixed bracket being arranged in the accommodating cavity, the fixed bracket being used for fixing the base of a lightning arrester, and the opening being used for a lightning protection module of the lightning arrester to be installed on the base of the lightning arrester along the direction of the opening toward the accommodating cavity.

[0006] In one or more of the above optional embodiments, the fixed bracket includes a support, a first clamping portion and a second clamping portion, the first clamping portion and the second clamping portion are relatively arranged on both sides of the support, and the first clamping portion and the second clamping portion are respectively used to clamp into two clamping grooves of the base of the lightning arrester.

[0007] In one or more of the above optional embodiments, the shell includes a top plate and a bottom plate arranged relatively to each other along a first direction; the support is fixed to the bottom plate, the first clamping portion and the second clamping portion are arranged relatively to each other on both sides of the support along a second direction, and the first clamping portion and the second clamping portion are both extended along the first direction; wherein the first direction is perpendicular to the second direction.

[0008] In one or more of the above optional embodiments, a limiting portion is further provided at one end of the support away from the base plate, and the limiting portion is used to limit the base of the lightning arrester along the first direction.

[0009] In one or more optional embodiments above, the power distribution unit further includes a knock-out piece and a connecting portion, wherein the knock-out piece is disposed at the opening, and the knock-out piece is connected to the shell via the connecting portion which can be cut.

[0010] According to a second aspect of the present application, there is provided a power distribution unit, comprising a shell, a power distribution component, a fixed bracket and a base, the shell being provided with a accommodating cavity and an opening, the opening connecting the accommodating cavity with the outside; the power distribution component being arranged in the accommodating cavity; the fixed bracket being arranged in the accommodating cavity; the base being fixed to the fixed bracket, the base being provided with an installation groove, the installation groove being provided with a first contact, the first contact being used to be electrically connected to a lightning protection module of a lightning arrester, the notch of the installation groove being aligned with the opening; the opening being used for the lightning protection module of the lightning arrester to be installed in the installation groove along the direction of the opening toward the accommodating cavity.

[0011] According to the third aspect of the present application, there is provided a power distribution unit, comprising a shell, a power distribution component, a fixed bracket, a base and a lightning protection module. The shell is provided with a receiving cavity and an opening, wherein the opening connects the receiving cavity with the outside; the power distribution component is provided in the receiving cavity; the fixed bracket is provided in the receiving cavity; the base is fixed to the fixed bracket, the base is provided with a mounting groove, a first contact is provided in the mounting groove, and the notch of the mounting groove is aligned with the opening; the lightning protection module is provided with a second contact, the lightning protection module is provided in the mounting groove, and the second contact is electrically connected to the first contact.

[0012] In one or more of the above optional embodiments, a socket is provided on the wall of the installation slot facing the opening, the first contact is provided in the socket, a plug is provided at the first end of the lightning protection module, the second contact is provided in the plug, and the plug is plugged into the socket along the direction of the opening toward the installation slot, and the first contact is electrically connected to the second contact.

[0013] In one or more of the above optional embodiments, along the direction from the mounting groove to the opening, the second end of the lightning protection module protrudes from the opening.

[0014] According to a fourth aspect of the present application, there is provided an electrical device comprising the power distribution unit as described above.

[0015] The beneficial effect of the embodiment of the present application is: the present application arranges the fixing bracket in the accommodating cavity to fix the base of the lightning arrester, and arranges the opening on the shell so that the lightning protection module of the lightning arrester can be installed on the base of the lightning arrester along the direction of the opening toward the accommodating cavity, so that when the lightning protection module of the lightning arrester needs to be disassembled, installed and maintained, there is no need to disassemble the shell, and the lightning protection module of the lightning arrester can be taken out through the opening, which is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0017] Figure 1 It is a three-dimensional diagram of a power distribution unit provided by an embodiment of the utility model;

[0018] Figure 2 Show Figure 1 A partial enlarged view of;

[0019] Figure 3 It is a schematic diagram of a power distribution unit provided by an embodiment of the utility model when a lightning arrester is installed;

[0020] Figure 4 yes Figure 3 A cross-sectional view of a power distribution unit with a lightning arrester installed is shown;

[0021] Figure 5 yes Figure 3 An exploded view of a power distribution unit with a lightning arrester installed is shown;

[0022] Figure 6 It is a schematic diagram of a fixing bracket of a power distribution unit provided by an embodiment of the utility model;

[0023] Figure 7 This is a schematic diagram of a lightning arrester fixed to a fixing bracket of a power distribution unit provided by an embodiment of the utility model;

[0024] Figure 8 It is a schematic diagram of an exploded view of a base and a lightning protection module of a power distribution unit provided in an embodiment of the utility model. DETAILED DESCRIPTION

[0025] In order to facilitate the understanding of the present application, the present application is described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element, or there can be one or more centered elements therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element, or there can be one or more centered elements therebetween. The terms "vertical", "horizontal", "left", "right", "inside", "outside" and similar expressions used in this specification are for illustrative purposes only.

[0026] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used in this specification includes any and all combinations of one or more of the related listed items.

[0027] In the description of this specification, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0028] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0029] Embodiment 1

[0030] See also Figure 1-5 The power distribution unit 1000 includes a housing 1 and a power distribution assembly 2. The housing 1 is provided with a receiving chamber a and an opening b. The opening b connects the receiving chamber a with the outside. The opening b is used for the lightning protection module 42 of the lightning arrester 4 to be installed in the receiving chamber a along the direction from the opening b to the receiving chamber a. The power distribution assembly 2 is arranged in the receiving chamber a.

[0031] It should be understood that the power distribution component 2 can be located entirely within the accommodating cavity a, or certain components on the power distribution component 2, such as the input terminal 21, can pass through the shell 1 and protrude outside the shell 1 according to actual use needs.

[0032] In some embodiments, the power distribution unit 1000 includes a fixed bracket 3, which is arranged in the accommodating cavity a. The fixed bracket 3 is used to fix the base 41 of the lightning arrester 4, and the opening b is used for the lightning protection module 42 of the lightning arrester 4 to be installed on the base 41 of the lightning arrester 4 along the opening b toward the accommodating cavity a.

[0033] The present application arranges a fixing bracket 3 in the accommodating chamber a for fixing the base 41 of the lightning arrester 4, and arranges an opening b on the shell 1 for allowing the lightning protection module 42 of the lightning arrester 4 to be installed on the base 41 of the lightning arrester 4 along the direction of the opening b toward the accommodating chamber a, so that when the lightning protection module 42 of the lightning arrester 4 needs to be disassembled, installed and maintained, there is no need to disassemble the shell 1, and the lightning protection module 42 of the lightning arrester 4 can be taken out through the opening b, which is easy to operate.

[0034] See also Figure 5 and Figure 6 In some embodiments, the fixed bracket 3 includes a support 31, a first clamping portion 32 and a second clamping portion 33. The first clamping portion 32 and the second clamping portion 33 are relatively arranged on both sides of the support 31, and the first clamping portion 32 and the second clamping portion 33 are respectively used to clamp into two clamping grooves of the base 41 of the lightning arrester 4.

[0035] In some embodiments, the shell 1 includes a top plate 11 and a bottom plate 12 arranged relatively to each other along a first direction X, a support 31 is fixed to the bottom plate 12, a first clamping portion 32 and a second clamping portion 33 are arranged relatively to each other on both sides of the support 31 along a second direction Y, and the first clamping portion 32 and the second clamping portion 33 are both extended along the first direction X. In the present application, the first direction X is perpendicular to the second direction Y.

[0036] It is worth noting that the base of the general lightning arrester currently on the market is provided with a snap-in slot, which is arranged in a direction perpendicular to the length direction of the lightning arrester, and the thickness of the lightning arrester is less than the length. The present application configures the first snap-in portion 32 and the second snap-in portion 33 to be arranged to extend along the first direction X, so that when the general lightning arrester on the market is installed on the fixed bracket 3, the first snap-in portion 32 and the second snap-in portion 33 are respectively snapped to the two slots arranged opposite to each other in the lightning arrester, and the length direction of the lightning arrester is perpendicular to the first direction X, and the thickness direction of the lightning arrester is parallel to the first direction X. In this way, the housing 1 having a smaller length dimension along the first direction X can be adapted to the general lightning arrester on the market.

[0037] In some embodiments, the support 31 includes a first vertical plate 311, a second vertical plate 312 and a third vertical plate 313, one end of the first vertical plate 311 is connected to the second vertical plate 312, one end of the third vertical plate 313 is connected to the other end of the second vertical plate 312, the first vertical plate 311 and the third vertical plate 313 are arranged opposite to each other, the first clamping portion 32 is arranged at one end of the first vertical plate 311 away from the second vertical plate 312, and the second clamping portion 33 is arranged at one end of the third vertical plate 313 away from the second vertical plate 312.

[0038] In some embodiments, the first clamping portion 32 is formed by bending an edge of the first vertical plate 311 away from the second vertical plate 312 and extending along the third vertical plate 313 toward the first vertical plate 311 .

[0039] In some embodiments, the second clamping portion 33 is formed by bending an edge of the third vertical plate 313 away from the second vertical plate 312 and extending along the direction of the first vertical plate 311 toward the third vertical plate 313 .

[0040] See also Figure 7 In some embodiments, along the second direction Y, the support 31 is provided with a first fixing portion 314 and a second fixing portion 315 on two opposite sides thereof, respectively, and the first fixing portion 314 and the second fixing portion 315 are respectively screwed and fixed to the bottom plate 12 .

[0041] See also Figure 5 In some embodiments, the housing 1 includes a panel 13 and a rear panel 14 arranged opposite to each other along a third direction Z, and the opening b is arranged on the panel 13. In the present application, the third direction Z is perpendicular to the first direction X and the second direction Y.

[0042] In some embodiments, the housing 1 includes a first side plate 15 and a second side plate 16 that are arranged opposite to each other along the second direction Y.

[0043] In some embodiments, the power distribution assembly 2 includes an input terminal 21, a copper busbar assembly 22 and a circuit breaker 23, wherein the copper busbar assembly 22 is electrically connected to the input terminal 21 and the circuit breaker 23. The input terminal 21 is used to connect to a power source, and the circuit breaker 23 is used to connect to a load.

[0044] In some embodiments, the power distribution assembly 2 includes an insulating support column 24 , one end of the insulating support column 24 is connected to the base plate 12 , and one end of the insulating support column 24 away from the base plate 12 is connected to the copper busbar assembly 22 .

[0045] In some embodiments, the copper busbar assembly 22 includes a positive copper busbar 221 and a negative copper busbar 222, one end of the positive copper busbar 221 is electrically connected to the input terminal 21, the other end of the positive copper busbar 221 is connected to the circuit breaker 23, one end of the negative copper busbar 222 is electrically connected to the input terminal 21, and the other end of the negative copper busbar 222 is electrically connected to the positive copper busbar 221.

[0046] In some embodiments, the power distribution assembly 2 includes a grounding copper bus (not shown), one end of which is electrically connected to the positive copper bus 221 , and the other end of which is connected to the bottom plate 12 .

[0047] In some embodiments, the panel 13 is provided with a first mounting opening c, and the input terminal 21 is provided at the first mounting opening c.

[0048] In some embodiments, the panel 13 is provided with a second installation opening d, and the circuit breaker 23 is provided at the second installation opening d.

[0049] In some embodiments, a limiting portion 34 is further provided at one end of the support 31 away from the bottom plate 12 , and the limiting portion 34 is used to limit the base 41 of the lightning arrester 4 along the first direction X.

[0050] See also Figure 7 In some embodiments, the limiting portion 34 includes a first limiting portion 341 and a second limiting portion 342. The first limiting portion 341 is obtained by extending one end of the first vertical plate 311 away from the second vertical plate 312 along a direction opposite to the third direction Z, and the second limiting portion 342 is obtained by extending one end of the third vertical plate 313 away from the second vertical plate 312 along a direction opposite to the third direction Z.

[0051] In some embodiments, along the first direction X, the base 41 abuts against the bottom plate 12 .

[0052] In some embodiments, along a direction opposite to the first direction X, the base 41 abuts against the first limiting portion 341 and the second limiting portion 342 .

[0053] See also Figure 1-3 In some embodiments, the power distribution unit 1000 includes a knock-off piece 5 and a connecting portion 6, the knock-off piece 5 is arranged at the opening b, and the knock-off piece 5 is connected to the housing 1 through the connecting portion 6 that can be cut. When it is necessary to install the lightning protection module 42 of the lightning arrester 4, the connecting portion 6 is disconnected, and the knock-off piece 5 can be removed to expose the opening b. By arranging the knock-off piece 5 at the opening b, when the power distribution unit 1000 is not installed with the lightning arrester 4, for example, when the power distribution unit 1000 is transported after leaving the factory, or when the user does not select the lightning arrester 4 when using the power distribution unit 1000, it is beneficial to the aesthetic appearance of the power distribution unit 1000 and is beneficial to preventing foreign objects from entering the accommodating cavity a.

[0054] Embodiment 2

[0055] See also Figure 1 and Figure 5The difference between this embodiment and the power distribution unit 1000 in the first embodiment is that it also includes a base 41, which is fixed to the fixed bracket 3. The base 41 is provided with a mounting groove e. A first contact (not shown) is provided in the mounting groove e. The first contact is used to be electrically connected to the lightning protection module 42 of the lightning arrester 4. The notch of the mounting groove e is aligned with the opening b.

[0056] In some embodiments, fixing includes but is not limited to bonding, welding, fastener locking, snap connection, etc.

[0057] See also Figure 6 and Figure 8 In some embodiments, the base 41 is provided with a first card slot f and a second card slot g, the first card slot f and the second card slot g are arranged opposite to each other, and the first card connection portion 32 and the second card connection portion 33 are respectively connected to the first card slot f and the second card slot g.

[0058] Embodiment 3

[0059] See also Figure 3 and Figure 8 The difference between the power distribution unit 1000 in this embodiment and the second embodiment is that it also includes a lightning protection module 42 and is provided with a second contact (not shown in the figure). The lightning protection module 42 is arranged in the installation groove e, and the second contact is electrically connected to the first contact.

[0060] In some embodiments, a socket (not shown) is provided on the wall of the installation slot e facing the opening b, the first contact is provided in the socket, a plug (not shown) is provided at the first end of the lightning protection module 42, and the second contact is provided on the plug. The plug is inserted into the socket along the direction of the opening b toward the installation slot e, and the first contact is electrically connected to the second contact.

[0061] It should be understood that the lightning protection module 42 is not limited to being detachably fixed to the base 41 by means of the cooperation between the jack and the plug. For example, in other embodiments of the present application, the lightning protection module 42 can also be connected to the base 41 by means of threaded connection or threaded connection and snap-on cooperation, which are not listed in detail here.

[0062] See also Figure 3 and Figure 5 In some embodiments, along the direction from the installation groove e to the opening b, the second end of the lightning protection module 42 protrudes out of the opening b.

[0063] See also Figure 7 and Figure 8 In some embodiments, the second end of the lightning protection module 42 is provided with a plurality of strip grooves h arranged side by side. The plurality of strip grooves h arranged side by side are conducive to increasing the friction between the hand and the surface of the lightning protection module 42 when the user holds the second end of the lightning protection module 42, so as to facilitate the user to replace the lightning protection module 42.

[0064] In some embodiments, the strip-shaped grooves h are extended along the first direction X.

[0065] The present application arranges a fixing bracket 3 in the accommodating chamber a for fixing the base 41 of the lightning arrester 4, and arranges an opening b on the shell 1 for allowing the lightning protection module 42 of the lightning arrester 4 to be installed on the base 41 of the lightning arrester 4 along the direction of the opening b toward the accommodating chamber a, so that when the lightning protection module 42 of the lightning arrester 4 needs to be disassembled, installed and maintained, there is no need to disassemble the shell 1, and the lightning protection module 42 of the lightning arrester 4 can be taken out through the opening b, which is easy to operate.

[0066] Based on the same inventive concept, the present application also provides an electrical device, which includes the power distribution unit 1000 in any of the above embodiments.

[0067] The above descriptions are merely embodiments of the present application and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A power distribution unit, characterized in that: include: A housing is provided with a receiving cavity and an opening, wherein the opening connects the receiving cavity with the outside; A power distribution component is arranged in the accommodating cavity; A fixing bracket is arranged in the accommodating cavity, and the fixing bracket is used to fix the base of the lightning arrester. The opening is used for the lightning protection module of the lightning arrester to be installed on the base of the lightning arrester along the opening toward the accommodating cavity.

2. The power distribution unit according to claim 1, characterized in that: The fixing bracket includes a support, a first clamping portion and a second clamping portion, wherein the first clamping portion and the second clamping portion are relatively arranged on two sides of the support, and the first clamping portion and the second clamping portion are respectively used to be clamped in two clamping grooves of the base of the lightning arrester.

3. The power distribution unit according to claim 2, characterized in that: The housing comprises a top plate and a bottom plate which are arranged opposite to each other along a first direction; The support is fixed to the bottom plate, the first clamping portion and the second clamping portion are arranged on two sides of the support relatively along the second direction, and the first clamping portion and the second clamping portion are both extended along the first direction; The first direction is perpendicular to the second direction.

4. The power distribution unit according to claim 3, characterized in that: A limiting portion is further provided at one end of the support away from the bottom plate, and the limiting portion is used to limit the base of the lightning arrester along the first direction.

5. The power distribution unit according to any one of claims 1 to 4, characterized in that: It also includes a knock-off piece and a connecting portion, wherein the knock-off piece is arranged at the opening, and the knock-off piece is connected to the shell through the connecting portion which can be cut.

6. A power distribution unit, characterized in that: include: A housing is provided with a receiving cavity and an opening, wherein the opening connects the receiving cavity with the outside; A power distribution component is arranged in the accommodating cavity; A fixed bracket, disposed in the accommodating cavity; A base, fixed to the fixing bracket, the base is provided with a mounting groove, a first contact is provided in the mounting groove, the first contact is used to be electrically connected to the lightning protection module of the lightning arrester, and a notch of the mounting groove is aligned with the opening; The opening is used for allowing the lightning protection module of the lightning arrester to be installed in the installation groove along the direction from the opening to the accommodating cavity.

7. A power distribution unit, characterized in that: include: A housing is provided with a receiving cavity and an opening, wherein the opening connects the receiving cavity with the outside; A power distribution component is arranged in the accommodating cavity; A fixed bracket, disposed in the accommodating cavity; A base, fixed to the fixing bracket, the base is provided with a mounting groove, a first contact is provided in the mounting groove, and a notch of the mounting groove is aligned with the opening; The lightning protection module is provided with a second contact, the lightning protection module is arranged in the installation slot, and the second contact is electrically connected to the first contact.

8. The power distribution unit according to claim 7, characterized in that: A socket is provided on the wall of the installation slot facing the opening, the first contact is provided in the socket, a plug is provided at the first end of the lightning protection module, the second contact is provided in the plug, and the plug is plugged into the socket along the direction from the opening to the installation slot, and the first contact is electrically connected to the second contact.

9. The power distribution unit according to claim 8, characterized in that: Along the direction from the installation slot to the opening, the second end of the lightning protection module protrudes from the opening.

10. An electrical device, characterized in that: Comprising a power distribution unit as described in any one of claims 1-9.

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