CN116470319A - Power supply and distribution unit - Google Patents

Abstract

The present disclosure provides a power supply and distribution unit, relates to connecting device and finance field, includes: a base configured in a long bar shape, in which a receiving chamber is formed, and an upper wall of the base is formed with a first passage penetrating the upper wall in a length direction of the base; the extension seat is arranged on the inner side of the side wall of the base and is configured to extend into or extend out of the base along the length direction of the base, and a second channel communicated with the first channel is arranged on the extension seat; the three conductive bars are respectively arranged in the base and the extension seat in parallel along the length direction of the base; and a plurality of sockets including three connection terminals adapted to be electrically connected with the mating terminals of the external plug, respectively, and removably disposed on the base or the extension socket through side openings through the first and/or second channels, such that the connection terminal of each socket is electrically connected with the three conductive bars.

Description

Power supply and distribution unit

Technical Field

The present disclosure relates to the field of connection devices and finance, and in particular, to a power supply and distribution unit.

Background

A large number of cabinets are arranged in a data center machine room of a bank, and power supply and distribution units for supplying power to the servers are correspondingly arranged in each cabinet. However, in the early stage of construction, the cabinet and the power supply and distribution units are usually deployed, and the server is usually purchased and installed according to the requirements, so that uncertainty of configuration and model parameters of the power supply and distribution units exists, and a plurality of power supply and distribution units need to be deployed in advance, so that investment cost is increased. In addition, during the long-term operation, there may be a situation that a new server needs to be added in the cabinet, but the number of sockets of the power supply and distribution units is insufficient, and wiring needs to be performed again to newly add the sockets of the power supply and distribution units, and there also exist a situation that the number of servers in the cabinet is small or empty, so that the power supply and distribution units are always in an idle state.

Disclosure of Invention

For solving the technical problem in the prior art, the present disclosure provides a rail type hot plug power supply and distribution unit, and power supply and distribution unit adopts telescopic rail and modularized design, but online newly-increased socket in real time realizes online hot plug, realizes the nimble extension of power supply and distribution system.

As one aspect of the present disclosure, there is provided a power supply and distribution unit including a base, an extension block, three conductive bars, and a plurality of sockets. The base is constructed in a long strip shape, a containing cavity is formed in the base, and a first channel penetrating through the upper wall is formed on the upper wall of the base along the length direction of the base; the extension seat is arranged on the inner side of the side wall of the base and is configured to extend into or extend out of the base along the length direction of the base, and a second channel communicated with the first channel is arranged on the extension seat; three conductive bars are respectively arranged in the base and the extension seat in parallel along the length direction of the base; the plurality of sockets includes three connection terminals adapted to be electrically connected to mating terminals of an external plug, respectively, and are removably disposed on the base or the extension socket through side openings extending through the first and/or second channels such that the connection terminal of each socket is electrically connected to the three conductive bars.

According to an embodiment of the present disclosure, the side wall of the base includes an inner wall and an outer wall surrounding the inner wall, a moving cavity accommodating the extension seat is formed between the inner wall and the outer wall, and the extension seat is slidably inserted into the moving cavity, so that the extension seat extends into or out of the base.

According to an embodiment of the present disclosure, the socket includes a main body portion, a connection rod, and three contacts. The main body part is configured to be combined with the external plug; a connecting rod extends from the bottom of the main body part through the first channel and/or the second channel into the accommodating cavity or an auxiliary cavity formed by the extension seat; and three contacts are arranged on the connecting rod and are respectively suitable for electrically connecting the conducting bars with the connecting terminals.

According to an embodiment of the present disclosure, a first conductive bar and a second conductive bar among the three conductive bars are respectively installed on an inner wall of an upper portion of the base and an inner side of an upper portion of the extension base and located at both sides of the first and second channels, and a third conductive bar is installed on an inner wall of a lower portion of the base and an inner side of a lower portion of the extension base and located directly under the first and second channels; among the three contacts, the first contact and the second contact are arranged on two opposite sides of the connecting rod and parallel to the first conductive row, and the third conductive row is arranged below the connecting rod.

According to an embodiment of the present disclosure, the connecting rod is provided with an elastic unit adapted to provide elastic force to maintain reliable electrical connection of the three contacts and the three conductive bars, respectively, in a case that the socket is mounted on the base or the extension socket.

According to an embodiment of the present disclosure, a slide rail extending along a length direction of the base is provided on at least one side wall of the base; the power supply and distribution unit further comprises an operation unit, one end of the operation unit penetrates through the sliding rail to be installed on the extension seat, the other end of the operation unit stretches out of the sliding rail, and the operation unit is applicable to enabling the extension seat to move within the length range of the sliding rail under the driving of the operation unit.

According to an embodiment of the present disclosure, a connecting piece is provided between the conductive bar of the extension seat and the inner side of the extension seat; the inner wall of the base is provided with a first slideway so as to allow the connecting piece to pass through the first slideway to move in the length direction of the base.

According to an embodiment of the present disclosure, the power supply and distribution unit further includes: and the three fixing frames are respectively arranged between the three conducting bars of the base and the inner wall and are suitable for installing the conducting bars of the base on the inner wall, wherein the conducting bars of the extension seat can be moved between the fixing frames and the conducting bars of the base.

According to an embodiment of the disclosure, the power supply and distribution unit further includes a plurality of elastic members, wherein one end of the extension seat, which is far away from the side opening, is arranged between the conductive bar of the extension seat and the extension seat, and is spaced from the connecting member, and the plurality of elastic members are respectively adapted to provide elastic force for the conductive bar on the extension seat to approach the conductive bar on the base.

According to an embodiment of the present disclosure, the power supply and distribution unit further includes a power supply portion including a lower case, an upper case, and a plurality of power supply terminals. The lower shell is arranged at one end far away from the side opening; the upper shell is detachably arranged on the lower shell and forms a hollow cavity with the lower shell; and a plurality of power supply terminals are arranged in the cavity and positioned on the lower shell, and are suitable for electrically connecting an external power supply cable with the conductive bars.

According to an embodiment of the present disclosure, each of the above-mentioned sockets is further provided therein with: a voltage sensor and a current sensor; the power supply part also comprises a control unit which is arranged on the upper shell and is suitable for detecting the voltage information and the current information of the socket in real time.

According to an embodiment of the present disclosure, the control unit includes a controller and a display screen. The controller is arranged in the upper shell and is suitable for generating instructions according to the voltage information and the current information of the socket; and a display screen installed on the wall surface of the upper casing and adapted to display information corresponding to the instruction according to the instruction of the control unit.

According to the power supply and distribution unit disclosed by the embodiment of the disclosure, the extension of the base is realized by arranging the extension seat, the first channel is arranged on the base, the second channel communicated with the first channel is arranged on the extension seat, the socket can be removed from the base or the extension seat through the side opening communicated with the first channel and/or the second channel, the socket can be newly added or removed on line in real time, flexible deployment is realized, the initial three-dimensional investment cost of projects is reduced, the workload of operation and maintenance personnel is reduced, and flexible expansion of the power supply unit is realized.

Drawings

Fig. 1 schematically illustrates a front view of a power supply and distribution unit according to an embodiment of the present disclosure;

fig. 2 schematically illustrates a side view of the power supply and distribution unit illustrated in fig. 1;

fig. 3 schematically illustrates a front view of a base and a power supply portion of a power supply and distribution unit according to an embodiment of the present disclosure;

fig. 4 schematically illustrates a side view of the base and power supply shown in fig. 1;

FIG. 5 schematically illustrates a cross-sectional view of A-A of the power supply and distribution unit illustrated in FIG. 2;

FIG. 6 schematically illustrates a cross-sectional view of B-B of the power supply and distribution unit illustrated in FIG. 2;

FIG. 7 schematically illustrates a cross-sectional view of C-C of the base and power supply shown in FIG. 3;

FIG. 8 schematically illustrates a cross-sectional view of D-D of the base and power supply shown in FIG. 3;

FIG. 9 schematically illustrates a cross-sectional view of E-E of the base and power supply shown in FIG. 3;

FIG. 10 schematically illustrates a cross-sectional view of F-F of the base and power supply shown in FIG. 3;

fig. 11 schematically illustrates a front view of a receptacle according to an embodiment of the present disclosure;

fig. 12 schematically illustrates a side view of the receptacle of fig. 11 in a first orientation;

fig. 13 schematically illustrates a side view of the receptacle of fig. 11 in a second orientation;

FIG. 14 schematically illustrates a cross-sectional view of G-G of the receptacle shown in FIG. 12; and

fig. 15 schematically illustrates a cross-sectional view of a power supply portion according to an embodiment of the present disclosure.

Reference numerals illustrate:

1-a base;

2-an extension seat;

3-a socket;

4-a first channel;

5-a receiving cavity;

6-a main body;

7-connecting rods;

8-a second channel;

9-a first conductive bar;

10-a second conductive bar;

11-a third conductive bar;

12-a first contact;

13-a second contact;

14-a third contact;

15-sliding rails;

16-an operation unit;

17-a connector;

18-an elastic member;

19-a voltage sensor;

20-a current sensor;

21-a control unit;

22-a lower housing;

23-a controller;

24-a display screen;

25-an elastic unit;

26-a second slide;

27-a mobile chamber;

28-an upper housing;

29-a fixing frame;

30-a power supply terminal;

31-a cable hole;

32-inner wall;

33-an outer wall;

34-connecting terminals;

35-auxiliary lumen;

36-first slide.

Detailed Description

For the purposes of promoting an understanding of the principles and advantages of the disclosure, reference will now be made to the embodiments illustrated in the drawings and specific language will be used to describe the same. This disclosure may, however, be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. In the drawings, the size of layers and regions, as well as the relative sizes, may be exaggerated for the same elements throughout.

Hereinafter, embodiments of the present disclosure will be described with reference to the accompanying drawings. It should be understood that the description is only exemplary and is not intended to limit the scope of the present disclosure. In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the concepts of the present disclosure.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. The terms "comprises," "comprising," and/or the like, as used herein, specify the presence of stated features, steps, operations, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, or components.

All terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. It should be noted that the terms used herein should be construed to have meanings consistent with the context of the present specification and should not be construed in an idealized or overly formal manner.

For the convenience of those skilled in the art to understand the technical solutions of the present disclosure, the following technical terms will be explained.

Where expressions like at least one of "A, B and C, etc. are used, the expressions should generally be interpreted in accordance with the meaning as commonly understood by those skilled in the art (e.g.," a system having at least one of A, B and C "shall include, but not be limited to, a system having a alone, B alone, C alone, a and B together, a and C together, B and C together, and/or A, B, C together, etc.). Where a formulation similar to at least one of "A, B or C, etc." is used, in general such a formulation should be interpreted in accordance with the ordinary understanding of one skilled in the art (e.g. "a system with at least one of A, B or C" would include but not be limited to systems with a alone, B alone, C alone, a and B together, a and C together, B and C together, and/or A, B, C together, etc.).

Fig. 1 schematically illustrates a front view of a power supply and distribution unit according to an embodiment of the present disclosure, fig. 2 schematically illustrates a side view of the power supply and distribution unit illustrated in fig. 1, fig. 3 schematically illustrates a front view of a base and a power supply portion of the power supply and distribution unit according to an embodiment of the present disclosure, fig. 4 schematically illustrates a side view of the base and the power supply portion illustrated in fig. 1, fig. 5 schematically illustrates a cross-sectional view of A-A of the power supply and distribution unit illustrated in fig. 2, and fig. 6 schematically illustrates a cross-sectional view of B-B of the power supply and distribution unit illustrated in fig. 2.

As one aspect of the present disclosure, there is provided a power supply and distribution unit, as shown in fig. 1 to 6, including a base 1, an extension socket 2, three conductive bars, and a plurality of sockets 3. The base 1 is constructed in a long bar shape, in which a receiving chamber 5 is formed, and a first passage 4 penetrating the upper wall of the base 1 is formed along the length direction of the base. The extension seat 2 is disposed on the inner side of the side wall of the base 1 and configured to extend into or out of the base 1 along the length direction of the base 1, and a second channel 8 communicating with the first channel 4 is disposed on the extension seat 2. The three conductive bars are respectively arranged in the base 1 and the extension seat 2 in parallel along the length direction of the base 1. The plurality of sockets 3 comprises three connection terminals adapted to be electrically connected with the mating terminals of the external plug, respectively, and are removably arranged on the base 1 or on the extension block 2 through side openings through the first channel 4 and/or the second channel 8, electrically connecting the connection terminals of each socket 3 with the three conductive bars.

According to the power supply and distribution unit disclosed by the embodiment of the disclosure, the extension of the base is realized by arranging the extension seat, the first channel is arranged on the base, the second channel communicated with the first channel is arranged on the extension seat, the socket can be removed from the base or the extension seat through the side opening communicated with the first channel and/or the second channel, the socket can be newly added or removed on line in real time, flexible deployment is realized, the initial three-dimensional investment cost of projects is reduced, the workload of operation and maintenance personnel is reduced, and flexible expansion of the power supply unit is realized.

According to the embodiment of the present disclosure, the base 1 and the extension base 2 may be made of an insulating material, for example: a plastic.

According to the embodiment of the disclosure, the bottom shape of the base 1 is matched with the mounting guide rail in the cabinet, and the bottom of the base is further embedded with a clamping interface for clamping the base on the mounting guide rail, so that the base 1 can be mounted in the cabinet through the mounting guide rail.

In an exemplary embodiment, a protrusion protruding from the extension seat 2 is provided on a lower wall of one end of the extension seat 2 protruding from the base 1, and a mounting hole is provided on the protrusion, so that the position of the extension seat can be limited to a target position by a bolt passing through the mounting hole, thereby preventing the extension seat 2 from being displaced.

Fig. 7 schematically illustrates a cross-sectional view of C-C of the base and the power supply part illustrated in fig. 3, fig. 8 schematically illustrates a cross-sectional view of D-D of the base and the power supply part illustrated in fig. 3, fig. 9 schematically illustrates a cross-sectional view of E-E of the base and the power supply part illustrated in fig. 3, and fig. 10 schematically illustrates a cross-sectional view of F-F of the base and the power supply part illustrated in fig. 3.

According to an embodiment of the present disclosure, as shown in fig. 5, 6, and 8 to 10, the sidewall of the base 1 includes an inner wall 32 and an outer wall 33 coated outside the inner wall 32, a moving cavity 27 accommodating the extension socket 2 is formed between the inner wall 32 and the outer wall 33, and the extension socket 2 is slidably inserted into the moving cavity 27 such that the extension socket 2 is extended into or out of the base 1.

According to the embodiment of the present disclosure, as shown in fig. 4 and 5, the first and second conductive bars 9 and 10 among the three conductive bars are installed on the inner wall 32 of the upper portion of the base 1 and the upper inner side of the extension block 2, respectively, and are located at both sides of the first and second passages 4 and 8, and the third conductive bar 11 is installed on the inner wall 32 of the lower portion of the base 1 and the lower inner side of the extension block 2, respectively, and is located directly under the first and second passages 4 and 8.

According to the embodiment of the present disclosure, each of the conductive bars includes a conductive bar mounted on the base 1 and a conductive bar mounted on the extension socket 2, and the conductive bar mounted on the base 1 and the conductive bar mounted on the extension socket 2 are in an electrically connected state. It will be appreciated that in the case where the extension socket 2 is partially or fully retracted into the base 1, as shown in fig. 5, the conductive strip on the base 1 coinciding with the extension socket is electrically connected to the socket 3; in the case where the extension socket 2 is partially or entirely retracted into the base 1, as shown in fig. 6, the conductive bars on the extension socket extended from the base 1 are electrically connected with the socket 3.

In an exemplary embodiment, as shown in fig. 5 to 10, a second slide way 26 is provided on the conductive bar on the base 1 along the length direction of the conductive bar, and the conductive bar of the extension base 2 is slidably installed in the second slide way 26, so that the conductive bar installed on the base 1 and the conductive bar installed on the extension base 2 are electrically connected.

According to an embodiment of the present disclosure, as shown in fig. 1 to 5, a slide rail 15 extending in a length direction of the base 1 is provided on at least one side wall of the base 1. The power supply and distribution unit further comprises an operation unit 16, one end of the operation unit passes through the sliding rail 15 and is installed on the extension seat 2, the other end of the operation unit extends out of the sliding rail 15, and the operation unit is applicable to enabling the extension seat 2 to move within the length range of the sliding rail 15 under the driving of the operation unit 16, so that the extension seat 2 is prevented from being separated from the base 1.

According to an embodiment of the present disclosure, the operation unit 16 is installed at one end of the extension socket 2 near the direction in which the extension socket protrudes into the base 1.

In an exemplary embodiment, two slide rails 15 are provided on two opposite outer walls 33 of the base 1 extending in the longitudinal direction of the base 1.

In an exemplary embodiment, as shown in fig. 1 to 4, the operating unit includes an outer cylinder for a push-pull operation and an inner cylinder disposed between the outer cylinder and the outer wall 33 of the base 1, the diameter of the inner cylinder being greater than the height of the slide rail. As shown in fig. 9, the inner cylinder is connected with the extension seat through a connecting block, so that the extension seat 2 can extend out of or into the base 1 following the push-pull operation of the operation unit 16.

In an exemplary embodiment, the operating unit is welded or glued to the extension socket 2.

According to an embodiment of the present disclosure, as shown in fig. 5 to 10, a connection member 17 is provided between the conductive bar of the extension socket 2 and the inside of the extension socket 2, and a first slide 36 is provided on the inner wall 32 of the base 1 to allow the connection member to move in the length direction of the base through the first slide 36.

In an exemplary embodiment, as shown in fig. 8, a second slide 21 on the base's conductor rail that can receive the conductor rail on the extension block communicates with the first slide 36 so that the conductor rail on the extension block can follow the movement of the extension block 2.

In an exemplary embodiment, the connecting element is configured in the form of an elongated strip, which is arranged in the second slide.

In another exemplary embodiment, the plurality of connectors, each of which is a cylindrical structure, are disposed upright between the wall of the extension socket and the conductive row of the extension socket.

According to an embodiment of the present disclosure, as shown in fig. 10, the power supply and distribution unit further includes: the three fixing frames 29 are respectively arranged between the three conductive bars of the base 1 and the inner wall 32, and are suitable for installing the conductive bars of the base 1 on the inner wall 32, wherein the conductive bars of the extension seat 2 can be moved between the fixing frames 29 and the conductive bars of the base 1.

According to the embodiment of the disclosure, the fixing frame is made of an insulating material, and the conducting bars of the base 1 and the base are installed on the inner wall of the base 1 in an insulating manner.

In an exemplary embodiment, the mount is a plastic material.

According to an embodiment of the present disclosure, as shown in fig. 9, the power supply and distribution unit further includes a plurality of elastic members 18, which are installed between the conductive bars of the extension base and the end of the extension base far from the side opening, and are spaced apart from the connecting members 17, and the plurality of elastic members 18 are respectively adapted to provide elastic force for approaching the conductive bars on the extension base 2 to the conductive bars on the base 1.

According to an embodiment of the present disclosure, the elastic member 18 is a spring.

In an exemplary embodiment, 1 elastic member 18 is disposed between the conductive strip of each extension seat 2 and the end of the extension seat 2 far from the side opening, and the moving distance of the elastic member 18 in the length direction of the base 1 is smaller than the length of the conductive strip of the base 1, so that the elastic member 18 is always located on the conductive strip of the base 1, and provides an elastic force for the conductive strip located on the extension seat 2 to approach the conductive strip on the base 1, so that the conductive strip on the extension seat is always in contact with the conductive strip on the base.

According to an embodiment of the present disclosure, the conductive bars are made of conductive materials, and may be any one of silver, iron, copper, aluminum, or an alloy thereof, for example.

Fig. 11 schematically illustrates a front view of a socket according to an embodiment of the present disclosure, fig. 12 schematically illustrates a side view of the socket illustrated in fig. 11 in a first direction, fig. 13 schematically illustrates a side view of the socket illustrated in fig. 11 in a second direction, and fig. 14 schematically illustrates a cross-sectional view of G-G of the socket illustrated in fig. 12.

According to an embodiment of the present disclosure, as shown in fig. 11 to 14, the socket 3 includes a main body portion 6, a connection rod 7, and three contacts. The body part 6 is configured to be combined with an external plug, as shown in fig. 5 and 6, the connecting rod 7 extends from the bottom of the body part 6 through the first channel 4 and/or the second channel 8 into the receiving cavity 5 or an auxiliary cavity 35 formed by an extension socket. Three contacts are mounted on the connecting rod 7, each adapted to electrically connect a conductive strip with a connection terminal 34.

According to the embodiment of the present disclosure, as shown in fig. 14, the connection terminals 34 are installed in the main body 6, as shown in fig. 11, sockets suitable for the insertion of external plugs are opened in the main body 6, and the connection terminals are installed below the sockets, respectively, to be electrically connected with the connection terminals 34 when the external plugs are inserted into the sockets on the main body.

According to an embodiment of the present disclosure, the connection rod 7 may internally accommodate a plurality of conductors, each adapted to electrically connect the connection terminal 34 with a contact, wherein the conductors may comprise wires.

According to an embodiment of the present disclosure, among the three contacts, the first contact 12 and the second contact 13 are disposed on opposite sides of the connection bar 7 and are disposed parallel to the first conductive row 9, and the third contact 14 is disposed below the connection bar.

In an exemplary embodiment, to ensure a good electrical connection between the contacts and the conductor bars, the end surfaces of the contacts that are in contact with the conductor bars are silver-plated.

In an exemplary embodiment, the first and second conductor bars 9, 10 are not equal in height from the upper wall of the inner wall 32 of the base, and the difference in height between the first and second contacts 12, 13 on the socket 3 is equal to the difference in height between the first and second conductor bars 9, 10, so that the first contact is in mating connection with the first conductor bar and the second contact is in mating connection with the second conductor bar, ensuring consistency of socket connection.

In another exemplary embodiment, the first distance from the first conductive bar 9 to the center line of the first slideway 8 is unequal to the second distance from the second conductive bar 10 to the center line of the first slideway 8, the distance from the first contact point on the socket to the center of the connecting rod is matched with the first distance, and the distance from the second contact point to the center of the connecting rod is matched with the second distance, so that the first contact point is matched and connected with the first conductive bar, and the second contact point is matched and connected with the second conductive bar, thereby ensuring the consistency of socket connection.

In an exemplary embodiment, the first conductor is adapted to be connected to a live wire, the second conductor is adapted to be connected to a neutral wire, and the third conductor is adapted to be connected to a ground wire.

According to the embodiment of the disclosure, the support rods are respectively arranged between the first contact and the second contact and the connecting rods, and the support rods are respectively used for installing the first contact and the second contact at preset positions.

According to an embodiment of the present disclosure, as shown in fig. 5, 6, 12 and 13, the connection rod 7 is provided with an elastic unit 25, and the elastic unit 25 is adapted to provide elastic force to maintain reliable electrical connection of the three contacts with the three conductive bars, respectively, in a state that the socket 3 is mounted on the base 1 or the extension base 2.

In an exemplary embodiment, as shown in fig. 5, 6, 12 and 13, the elastic unit 25 is provided between the connection rod and the third contact 14, and the elastic unit 25 simultaneously serves as a conductor to electrically connect the third contact 14 with the connection terminal 34 in the socket 3.

In another exemplary embodiment, the elastic unit 25 may also be provided as a part of the connection rod 7 above the position where the support rod is connected to the connection rod 7.

Fig. 15 schematically illustrates a cross-sectional view of a power supply portion according to an embodiment of the present disclosure.

According to an embodiment of the present disclosure, as shown in fig. 1 to 4 and 15, the power supply and distribution unit further includes a power supply part. The power supply portion includes a lower case 22, an upper case 28, and a plurality of power supply terminals 30. The lower housing 22 is mounted at an end remote from the side opening, and the upper housing 28 is detachably mounted on the lower housing 28 to form an internally hollow chamber with the lower housing 28. A plurality of power supply terminals 30 are mounted within the chamber on the lower housing 22 and are adapted to electrically connect an external power supply cable to the conductor bars.

According to an embodiment of the present disclosure, as shown in fig. 15, a cable hole 31 for receiving an external power supply cable therethrough is provided on a housing of the power supply portion.

In an exemplary embodiment, a cable hole 31 is provided in the lower housing 22.

In another illustrative embodiment, the cable holes 31 are provided in the lower housing 22 and the upper housing 28.

According to an embodiment of the present disclosure, an external power supply cable connects a voltage to a plurality of power supply terminals in the conductive part, and the other ends of the plurality of power supply terminals are respectively connected to three conductive bars, so as to transmit the voltage to a socket located on the socket or the extension socket 2.

According to an embodiment of the present disclosure, as shown in fig. 14, each socket is further provided therein with: a voltage sensor 19 and a current sensor 20. The power supply part further includes a control unit 21 mounted on the upper case 28 and adapted to detect voltage information and current information of the socket in real time.

According to the embodiment of the disclosure, the voltage sensor and the current sensor installed in the socket 3 are both wireless sensors, and the wireless receiver is arranged in the control unit, so that information transmitted by the wireless voltage sensor and the wireless current sensor can be received in real time.

According to an embodiment of the present disclosure, as shown in fig. 15, the control unit includes a controller 23 and a display screen 24. The controller is installed in the upper housing and is suitable for generating instructions according to voltage information and current information of the socket. And the display screen is arranged on the wall surface of the upper shell and is suitable for displaying information corresponding to the instruction according to the instruction of the control unit.

According to the embodiment of the disclosure, a wireless current sensor is further arranged on a conductor used for connecting with a live wire in the power supply part and used for detecting the total current of the power supply and distribution unit.

According to the embodiment of the disclosure, the fuse is further arranged between the power supply terminal used for connecting the live wire and the conducting bar in the power supply part, and is suitable for fusing under the condition that the current of the power supply and distribution unit exceeds the rated current of the power supply and distribution unit, so that the power utilization safety is ensured.

It should be noted that, in the drawings or the text of the specification, implementations not shown or described are all forms known to those of ordinary skill in the art, and not described in detail. Furthermore, the above definitions of the elements and methods are not limited to the specific structures, shapes or modes mentioned in the embodiments, and may be simply modified or replaced by those of ordinary skill in the art.

It should be further noted that, the directional terms mentioned in the embodiments, such as "upper", "lower", "front", "rear", "left", "right", etc., are only referring to the directions of the drawings, and are not intended to limit the scope of the present disclosure. Like elements are denoted by like or similar reference numerals throughout the drawings. In the event that an understanding of the present disclosure may be made, conventional structures or constructions will be omitted, and the shapes and dimensions of the various parts in the drawings do not reflect actual sizes and proportions, but merely illustrate the contents of the embodiments of the present disclosure.

Unless otherwise known, numerical parameters in this specification and the appended claims are approximations that may vary depending upon the desired properties sought to be obtained by the present disclosure. In particular, all numbers expressing quantities of ingredients, reaction conditions, and so forth used in the specification and claims are to be understood as being modified in all instances by the term "about". In general, the meaning of expression is meant to include a variation of + -10% in some embodiments, a variation of + -5% in some embodiments, a variation of + -1% in some embodiments, and a variation of + -0.5% in some embodiments by a particular amount.

The use of ordinal numbers such as "first," "second," "third," etc., in the description and the claims to modify a corresponding element does not by itself connote any ordinal number of elements or the order of manufacturing or use of the ordinal numbers in a particular claim, merely for enabling an element having a particular name to be clearly distinguished from another element having the same name.

Furthermore, unless specifically described or steps must occur in sequence, the order of the above steps is not limited to the list above and may be changed or rearranged according to the desired design. In addition, the above embodiments may be mixed with each other or other embodiments based on design and reliability, i.e. the technical features of the different embodiments may be freely combined to form more embodiments.

While the foregoing is directed to embodiments of the present disclosure, other and further details of the invention may be had by the present application, it is to be understood that the foregoing description is merely exemplary of the present disclosure and that no limitations are intended to the scope of the disclosure, except insofar as modifications, equivalents, improvements or modifications may be made without departing from the spirit and principles of the present disclosure.

Claims (12)

1. A power supply and distribution unit, comprising:

a base (1) configured in a strip shape, wherein a containing cavity (5) is formed inside, and a first channel (4) penetrating the upper wall of the base is formed on the upper wall of the base along the length direction of the base;

an extension seat (2) arranged on the inner side of the side wall of the base (1) and configured to extend into or extend out of the base (1) along the length direction of the base (1), wherein a second channel (8) communicated with the first channel (4) is arranged on the extension seat (2);

the three conductive bars are respectively arranged in the base and the extension seat in parallel along the length direction of the base; and

a plurality of sockets (3) comprising three connection terminals (34) adapted to be electrically connected with mating terminals of an external plug, respectively, and removably arranged on said base (1) or said extension seat (2) through side openings through said first channel (4) and/or said second channel (8), such that the connection terminals (34) of each socket (3) are electrically connected with three of said conductive bars.

2. The power supply and distribution unit according to claim 1, characterized in that,

the side wall of the base (1) comprises an inner wall (32) and an outer wall (33) wrapping the inner wall (32), a moving cavity (27) for accommodating the extension seat (2) is formed between the inner wall (32) and the outer wall (33), and the extension seat (2) is slidably inserted into the moving cavity (27) so that the extension seat (2) stretches into or stretches out of the base (1).

3. A power supply and distribution unit according to claim 1, characterized in that the socket (3) comprises:

a main body portion (6) configured to be coupled with the external plug;

a connecting rod (7) extending from the bottom of the body part through the first channel (4) and/or the second channel (8) into the receiving cavity (5) or an auxiliary cavity (35) formed by the extension seat (2); and

and three contacts mounted on the connecting rod (7) and respectively suitable for electrically connecting the conductive bars with the connecting terminals (34).

4. A power supply and distribution unit according to claim 3, characterized in that a first (9) and a second (10) of the three conductive rows are mounted on the inner wall (32) of the upper part of the base (1) and on the inner side of the upper part of the extension seat, respectively, and on both sides of the first (4) and second channels, and a third conductive row (11) is mounted on the inner wall (32) of the lower part of the base (1) and on the inner side of the lower part of the extension seat, respectively, and directly below the first (4) and second channels;

of the three contacts, a first contact (12) and a second contact (13) are arranged on opposite sides of the connecting rod (7) and parallel to the first conductive row (9), and a third contact (14) is arranged below the connecting rod (7).

5. A power supply and distribution unit according to claim 4, characterized in that said connecting rod (7) is provided with an elastic unit (25) adapted to provide an elastic force to maintain the reliable electrical connection of three of said contacts with three of said conductive bars, respectively, in case said socket (3) is mounted on said base (1) or on said extension seat (2).

6. A power supply and distribution unit according to claim 1, characterized by a sliding rail (15) extending in the length direction of the base on at least one side wall of the base;

the power supply and distribution unit further includes:

and one end of the operation unit (16) penetrates through the sliding rail (15) to be installed on the extension seat (2), and the other end of the operation unit stretches out of the sliding rail (15), so that the extension seat (2) is suitable for moving within the length range of the sliding rail (15) under the driving of the operation unit (16).

7. A power supply and distribution unit according to claim 2, characterized in that a connection (17) is provided between the conductor bars of the extension socket and the inside of the extension socket;

a first slideway (36) is arranged on the inner wall (32) of the base (1) so as to allow the connecting piece to pass through the first slideway (36) to move in the length direction of the base (1).

8. The power supply and distribution unit of claim 7, further comprising:

and the three fixing frames (29) are respectively arranged between the three conducting bars of the base and the inner wall (32) and are suitable for installing the conducting bars of the base on the inner wall (32), wherein the conducting bars of the extension seat can be moved between the fixing frames (29) and the conducting bars of the base.

9. The power supply and distribution unit of claim 8, further comprising:

the elastic pieces (18) are arranged at one end, far away from the side opening, between the conducting bars of the extension seat and the extension seat (2) and are arranged at intervals with the connecting pieces (17), and the elastic pieces (18) are respectively suitable for providing elastic force for the conducting bars on the extension seat (2) to approach the conducting bars on the base (1).

10. The power supply and distribution unit of claim 1, further comprising: a power supply section including:

a lower housing (22) mounted at an end remote from the side opening;

an upper housing (28) detachably mounted on the lower housing (22) to form an internally hollow chamber with the lower housing;

a plurality of power supply terminals (30) mounted within the chamber on the lower housing (22) and adapted to electrically connect an external power supply cable to the conductor bars.

11. The power supply and distribution unit of claim 10, wherein each of the receptacles is further provided with: a voltage sensor (19) and a current sensor (20);

the power supply section further includes:

and the control unit (21) is arranged on the upper shell and is suitable for detecting voltage information and current information of the socket in real time.

12. The power supply and distribution unit according to claim 11, characterized in that the control unit (21) comprises:

a controller (23) mounted in the upper housing and adapted to generate instructions based on the voltage information and the current information of the outlet;

and a display screen (24) which is installed on the wall surface of the upper shell and is suitable for displaying information corresponding to the instruction according to the instruction of the control unit (21).