CN220652613U - Power distribution unit and power supply system - Google Patents

Abstract

The application provides a power distribution unit and electrical power generating system, the power distribution unit includes: installing a frame body; the miniature circuit breakers are fixed in the mounting frame body and are configured to be connected with corresponding strong electric signal lines and control the on-off of the strong electric signal lines; the signal acquisition circuit board is connected with each miniature circuit breaker and outputs weak current signals corresponding to the strong electric signal lines; wherein, a plurality of miniature circuit breakers are arranged side by side adjacent to the signal acquisition circuit board. The signal transmission line diameter and the number of the power distribution units can be reduced, so that the size of the power distribution units is reduced.

Description

Power distribution unit and power supply system

Technical Field

The application relates to the technical field of electrical equipment, in particular to a power distribution unit and a power supply system.

Background

Currently, as the demand for data centers for processing and storing data continues to rise, the data center industry has also grown tremendously. The ac/dc column cabinet is a power distribution device for supplying power to ac or dc loads of a data center, however, the larger size of the existing ac/dc column cabinet is not beneficial to space utilization of the data center, so how to compress the size of the ac/dc column cabinet becomes an effort of those skilled in the art.

Disclosure of Invention

The application provides a distribution unit and a power supply system, and aims to solve the technical problem of how to compress the size of an AC/DC train cabinet at present.

In a first aspect, the present application provides a power distribution unit comprising:

installing a frame body;

the miniature circuit breakers are fixed in the mounting frame body and are configured to be connected with corresponding strong electric signal lines and control the on-off of the strong electric signal lines;

the signal acquisition circuit board is connected with each miniature circuit breaker and outputs weak current signals corresponding to the strong electric signal lines;

wherein, a plurality of miniature circuit breakers are arranged side by side adjacent to the signal acquisition circuit board.

In some embodiments, the miniature circuit breaker has a voltage output and a current output;

the voltage output part is coupled with the strong electric signal line and is coupled to the signal acquisition circuit board so as to provide weak electric signals corresponding to the voltage signals in the strong electric signal line for the signal acquisition circuit board;

the current output part is coupled with the strong electric signal line and is coupled to the signal acquisition circuit board so as to provide weak electric signals corresponding to the current signals in the strong electric signal line for the signal acquisition circuit board.

In some embodiments, the miniature circuit breaker further has a temperature acquisition portion;

the temperature acquisition part is coupled to the signal acquisition circuit board to provide weak current signals corresponding to the real-time temperature of the miniature circuit breaker for the signal acquisition circuit board.

In some embodiments, the plurality of miniature circuit breakers are arranged side by side along a length direction or a width direction of the signal acquisition circuit board; or alternatively

The miniature circuit breakers are arranged side by side and are overlapped with the signal acquisition circuit board.

In some embodiments, one end of the mounting frame is provided with a mounting notch, and a plurality of miniature circuit breakers are mounted side by side in the mounting notch.

In some embodiments, the mounting frame is provided with a strong current port and a weak current port at one end facing away from the mounting notch;

the strong current port is connected with the strong electric signal line, and the weak current port is connected with the signal acquisition circuit board to output weak current signals.

In a second aspect, the present application provides a power supply system comprising:

the wire inlet and outlet module is provided with a first strong current connection port, a first weak current connection port and a second weak current connection port;

a plurality of power distribution units according to the first aspect, wherein the miniature circuit breakers of the power distribution units are connected with the first strong electric connection ports, and the signal acquisition circuit board of the power distribution units is connected with the first weak electric connection ports;

the control unit is connected with the second weak current connection port;

the first weak current connection port is coupled with the second weak current connection port, and an information processing circuit board is arranged in the control unit and is configured to receive weak current signals and send control signals for controlling the on-off of the miniature short-circuiting device.

In some embodiments, the line access module has a bus line access terminal and a cell plug end, the bus line access terminal and the cell plug end being opposite ends;

the first strong-current connection port, the first weak-current connection port and the second weak-current connection port are positioned at the unit plugging end, the bus inlet and outlet end is provided with a second strong-current connection port for connecting a power main inlet wire and a third strong-current connection port for connecting a power main outlet wire, and the second strong-current connection port and the third strong-current connection port are coupled with the first strong-current connection port

In some embodiments, a plurality of power distribution units are disposed overlapping the control unit.

In some embodiments, the access module has a first side plate, a second side plate, and a bottom plate connected to the unit mating end;

the first side plate, the second side plate and the bottom plate extend along the direction deviating from the bus line inlet and outlet end, the first side plate and the second side plate are oppositely arranged, a plurality of groups of sliding rails are arranged on the opposite side surfaces of the first side plate and the second side plate, and the sliding rails extend along the plugging direction of the power distribution unit.

According to the circuit board, the miniature circuit breakers and the signal acquisition circuit boards are installed in the installation frame body, and the signal acquisition circuit boards are connected with each miniature circuit breaker and output weak current signals corresponding to the strong electric signal lines, so that current and/or voltage detection of the strong electric signal lines can be performed, the weak current signals output by the signal acquisition circuit boards can be provided for corresponding control units, and the strong electric signal lines connected with the miniature circuit breakers are not required to be directly connected to the control units. In one aspect, the diameter of the signal transmission line is reduced when the diameter of the line required for weak current signal transmission is smaller than that of the line required for strong current signal transmission, and in the other aspect, the signal acquisition circuit board can output signals input by a plurality of input signal transmission lines through the same signal line, so that the number of the signal transmission lines is reduced. Therefore, under the condition of reducing the diameter and the number of the signal transmission lines, the size of the AC/DC column cabinet can be further compressed, for example, the size 600mm X2000mm X1000mm of the traditional AC/DC column cabinet can be compressed into the external size 446mm X44.45mm X850mm of the power distribution plug frame unit, so that the height of the AC/DC column cabinet is greatly reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a configuration of one side of a power distribution unit provided in an embodiment of the present application;

FIG. 2 is a schematic diagram of an internal architecture of a power distribution unit provided in an embodiment of the present application;

FIG. 3 is another schematic structural view of one side of a power distribution unit provided in an embodiment of the present application;

FIG. 4 is a schematic diagram of a power supply system according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of one side of a plugging end of a line inlet and outlet module unit according to an embodiment of the present application;

FIG. 6 is a schematic diagram of a configuration of a bus port of a port module provided in an embodiment of the present application;

FIG. 7 is a side schematic view of a control unit provided in an embodiment of the present application;

fig. 8 is another side-shaft schematic view of the control unit provided in an embodiment of the present application.

The circuit comprises a 10 mounting frame body, a 11 mounting notch, a 12 strong current port, a 13 weak current port, a 14 first through hole, a 15 first mounting bracket, a 20 miniature circuit breaker and a 30 signal acquisition circuit board;

100 power distribution units, 200 in-out line modules and 300 control units;

the main inlet and outlet end 201, the unit plug end 202, the first strong current connection port 203, the first weak current connection port 204, the second weak current connection port 205, the second strong current connection port 206, the third strong current connection port 207, the first side plate 210, the second side plate 220, the bottom plate 230, the 240 installation space 250, the slide rail, the 260 air outlet, the 270 cooling fan and the 280 air inlet;

301 a third weak current connection port, 302 a second through hole, 303 a second mounting bracket.

Detailed Description

The following description of the technical solutions in the embodiments of the present application will be made clearly and completely with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In this application, the term "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the utility model. In the following description, details are set forth for purposes of explanation. It will be apparent to one of ordinary skill in the art that the present utility model may be practiced without these specific details. In other instances, well-known structures and processes have not been described in detail so as not to obscure the description of the utility model with unnecessary detail. Thus, the present utility model is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.

The embodiment of the application provides a power distribution unit and a power supply system, and the power distribution unit and the power supply system are described in detail below.

Referring first to fig. 1 and fig. 2, fig. 1 shows a schematic structural diagram of one side of a power distribution unit according to an embodiment of the present application, and fig. 2 shows a schematic internal structural diagram of a power distribution unit 100 according to an embodiment of the present application, where the power distribution unit 100 includes:

a mounting frame 10;

the miniature circuit breakers 20 are fixed in the mounting frame 10, and the miniature circuit breakers 20 are configured to be connected with corresponding strong electric signal lines and control the on-off of the strong electric signal lines;

the signal acquisition circuit board 30, the signal acquisition circuit board 30 is connected with each miniature circuit breaker 20 and outputs weak current signals corresponding to strong electric signal lines;

wherein a plurality of miniature circuit breakers 20 are arranged side by side adjacent to a signal acquisition circuit board 30.

Specifically, the installation frame 10 is internally provided with a cavity so as to provide an installation carrier for the miniature circuit breaker 20 and the signal acquisition circuit board 30, so that on one hand, external dust impurities are prevented from affecting the miniature circuit breaker 20 and the signal acquisition circuit board 30, and on the other hand, a foundation unit convenient for assembly and integration can be formed. In some embodiments of the present application, the mounting frame 10 is approximately regular in shape, such as approximately rectangular or square in shape. It will be appreciated that the mounting frame 10 may also be of other shapes, such as a regular pentagonal cube.

The miniature circuit breaker 20 is used for controlling the on-off of the strong electric signal line connected with the miniature circuit breaker so as to control whether the corresponding electric equipment is electrified or not. In general, the micro circuit breaker 20 has an input end and an output end, a strong electric signal line is connected at the input end and the output end, and a switch structure, for example, a switch structure composed of a fixed contact and a moving contact is arranged between the input end and the output end in the micro circuit breaker 20, and the input end and the output end can be electrically connected when the moving contact is contacted with the fixed contact, so that the strong electric signal line connecting the input end and the output end is communicated; on the contrary, when the moving contact is disconnected from the fixed contact, the input end and the output end are disconnected electrically, so that a strong electric signal line connecting the input end and the output end is disconnected.

Illustratively, the miniature circuit breaker 20 may be a class B miniature circuit breaker 20, a class C miniature circuit breaker 20, or a class D miniature circuit breaker 20.

The signal collection circuit board 30 is used for being connected with each micro breaker 20 and outputting weak current signals corresponding to the strong electric signal lines, for example, the signal collection circuit board 30 can collect current signals of the strong electric signal lines and output weak current signals corresponding to the current signals; for another example, the signal collection circuit board 30 may collect a voltage signal of the strong electric signal line and output a weak electric signal corresponding to the voltage signal; for another example, the signal collection circuit board 30 may collect a voltage signal and a current signal of a strong electric signal line and output a weak electric signal corresponding to the voltage signal and the current signal. The signal acquisition circuit board 30 may be a single-sided circuit board, a double-sided circuit, or a multi-layer circuit board, for example.

The strong electric signal referred to in the present application refers to a voltage signal or a current signal having a voltage, a current, or a power greater than a certain value, for example, a strong electric signal when the voltage value is greater than or equal to 24V, and a weak electric signal when the voltage value is less than 24V. It will be appreciated that the definition of the strong and weak electric signals may be adjusted according to the region of use and the actual scene, and is not limited herein.

In this embodiment of the present application, by installing the plurality of miniature circuit breakers 20 and the signal acquisition circuit board 30 in the installation frame 10, since the signal acquisition circuit board 30 is connected with each miniature circuit breaker 20 and outputs weak current signals corresponding to strong electric signal lines, for current and/or voltage detection of the strong electric signal lines, weak electric signals output by the signal acquisition circuit board 30 can be provided to corresponding control units without directly connecting the strong electric signal lines connected with the miniature circuit breakers 20 to the control units. In the case where the line diameter required for weak electric signal transmission is smaller than that required for strong electric signal transmission on the one hand, the diameter of the signal transmission line is advantageously reduced, and in the other hand, the signal acquisition circuit board 30 may also output signals inputted from a plurality of inputted signal transmission lines via the same signal line, so that the number of signal transmission lines is advantageously reduced. Therefore, under the condition of reducing the diameter and the number of the signal transmission lines, the size of the AC/DC column cabinet can be further compressed, for example, the size 600mm X2000mm X1000mm of the traditional AC/DC column cabinet can be compressed into the external size 446mm X44.45mm X850mm of the power distribution plug frame unit, so that the height of the AC/DC column cabinet is greatly reduced.

In some embodiments of the present application, the miniature circuit breaker 20 has voltage measurement and current measurement functions, thereby eliminating the need for additional voltage measurement devices (e.g., voltage transformers) and current measurement devices (e.g., current transformers), thereby further reducing the size of the power distribution unit 100, for example. Illustratively, the miniature circuit breaker 20 may employ an ASCB1 series intelligent miniature circuit breaker having voltage measurement and current measurement functions.

In some embodiments of the present application, for example, for an embodiment of the miniature circuit breaker 20 having voltage measurement and current measurement functions, the miniature circuit breaker 20 has a voltage output portion and a current output portion, the voltage output portion is coupled to the strong electric signal line, and the voltage output portion is coupled to the signal acquisition circuit board 30 to provide the weak electric signal corresponding to the voltage signal in the strong electric signal line to the signal acquisition circuit board 30; the current output part is coupled to the strong electric signal line, and the current output part is coupled to the signal acquisition circuit board 30, so as to provide the weak electric signal corresponding to the current signal in the strong electric signal line to the signal acquisition circuit board 30.

Specifically, the voltage output part may be directly connected to the strong electric signal line, for example, the voltage output part has a large resistance, and the large resistance is connected in parallel to the strong electric signal line, thereby converting the high-voltage signal into a small current signal and providing the small current signal to the signal acquisition circuit board 30; for another example, the voltage output part may have a voltage transformer sleeved on the strong electric signal line, the voltage signal on the strong electric signal line is measured by the voltage transformer, and the measured weak electric signal is transmitted to the signal acquisition circuit board 30.

The current output part may be directly connected to the strong electric signal line, for example, the current output part has a small resistance, and the small resistance is connected in series to the strong electric signal line, thereby converting the current signal into a small voltage signal and providing the small voltage signal to the signal acquisition circuit board 30; for another example, the current output part may have a current transformer sleeved on the strong electric signal line, the current signal on the strong electric signal line is measured by the current transformer, and the measured weak electric signal is transmitted to the signal acquisition circuit board 30.

In the above embodiment, since the current output part and the voltage output part are coupled to the signal acquisition circuit board 30, the signal acquisition circuit board 30 may receive the voltage signal in the strong electric signal line and the weak electric signal corresponding to the current signal, so that the corresponding control unit 300 may implement the control of the micro breaker 20 using the weak electric signal, for example, when a short circuit phenomenon (excessive current) occurs in a certain strong electric signal line, the control unit 300 may receive the weak electric signal sent by the signal acquisition circuit board 30 and determine that the short circuit phenomenon occurs, and may send a control signal for controlling the micro breaker 20 to be opened by means of the signal acquisition circuit board 30, where the control signal is provided to the corresponding micro breaker 20 via the acquisition circuit board 30 and is opened, so as to implement the short circuit protection of the power distribution unit 100.

It should be noted that the logic control of the control unit 300 of the present application may be implemented by a circuit structure, and does not involve a computer program, for example, a comparator may compare the signal level to determine whether a short circuit phenomenon occurs.

In some embodiments of the present application, for example, for embodiments in which the control unit 300 may issue a control signal to control the opening of the miniature circuit breaker 20 via the signal acquisition circuit board 30, the signal acquisition circuit board 30 may be connected to the control terminal of the miniature circuit breaker 20 so that the control unit 300 transmits the control signal via the signal acquisition circuit board 30. Specifically, the control end of the micro breaker 20 may refer to a control end of an energizing switch corresponding to an engaging coil of the engaging moving contact, for example, the engaging coil is connected to a MOS tube disposed on a power circuit, a control signal is sent by the control unit 300 and transmitted to the MOS tube through the signal collecting circuit board 30, and whether the engaging coil is energized is controlled through the MOS tube, so as to control whether the engaging coil is energized and control whether the moving contact acts.

In some embodiments of the present application, the micro breaker 20 further has a temperature acquisition part coupled to the signal acquisition circuit board 30 to provide the signal acquisition circuit board 30 with a weak current signal corresponding to the real-time temperature of the micro breaker 20. For example, the temperature collection part may include a temperature sensor, which may be located inside the micro breaker 20 or on the surface of the micro breaker 20, so as to directly measure the temperature inside the micro breaker 20 or on the surface of the micro breaker 20, and judge whether the temperature exceeds a standard using the control unit 300, thereby controlling the micro breaker 20 to be turned on and off.

In some embodiments of the present application, the plurality of micro-circuit breakers 20 may be arranged side by side along the length direction or the width direction of the signal acquisition circuit board 30, so as to reduce the space occupied by the signal acquisition circuit board 30 and the plurality of micro-circuit breakers 20, thereby facilitating further downsizing of the power distribution unit 100. In other embodiments of the present application, the plurality of micro-circuit breakers 20 are arranged side by side, and the plurality of micro-circuit breakers 20 are overlapped with the signal acquisition circuit board 30, that is, the plurality of micro-circuit breakers 20 may be located below the signal acquisition circuit board 30, or the plurality of micro-circuit breakers 20 may be located above the signal acquisition circuit board 30, so as to reduce the space occupied by the signal acquisition circuit board 30 and the plurality of micro-circuit breakers 20, thereby further reducing the size of the power distribution unit 100.

In some embodiments of the present application, with continued reference to fig. 1 and 2, one end of the mounting frame 10 is provided with a mounting notch 11, and a plurality of miniature circuit breakers 20 are mounted in the mounting notch 11 side by side. Specifically, the miniature circuit breaker 20 is externally provided with an operating handle, the on-off of the miniature circuit breaker 20 can be manually controlled through the operating handle, and after a plurality of miniature circuit breakers 20 are installed in the installation notch 11 side by side, the operating handle of the miniature circuit breaker 20 can be exposed outside the installation frame 10 through the installation notch 11, so that the on-off of the miniature circuit breaker 20 can be manually controlled by a worker.

In some embodiments of the present application, with continued reference to fig. 2 and fig. 3, fig. 3 illustrates a schematic structural diagram of another side of the power distribution unit 100 in the embodiments of the present application, where an end of the mounting frame 10 facing away from the mounting notch 11 is provided with a strong current port 12 and a weak current port 13; the strong current port 12 is connected with a strong electric signal line, and the weak current port 13 is connected with the signal acquisition circuit board 30 to output weak electric signals.

The strong current port 12 and the weak current port 13 may be either a male plug or a female plug, or one of the strong current port 12 and the weak current port 13 may be a male plug, and the other may be a female plug. The strong current port 12 may be connected to a power line, and the weak current port 13 may output a weak current signal, for example, the signal acquisition circuit board 30 outputs a weak current signal corresponding to the voltage signal or the current signal, and the weak current port 13 may also receive a control signal sent by the control unit 300, for example, the control unit 300 sends a control signal for controlling the on/off of the micro breaker 20. In the above embodiment, since the strong current port 12 and the weak current port 13 are located at the end of the mounting frame 10 away from the mounting notch 11, when the operator operates the operating handle of the micro breaker 20 at the mounting notch, the operator will not directly touch the electrical connection structure of the strong current port 12 or the weak current port, thereby being beneficial to improving the safety of the power distribution unit 100.

Further, in order to better implement the power distribution unit 100 in the embodiment of the present application, the present application further provides a power supply system based on the power distribution unit 100, referring to fig. 4 and fig. 5, fig. 4 shows a schematic structural diagram of the power supply system in the embodiment of the present application, and fig. 5 shows a schematic structural diagram of a side of the plugging end 202 of the in-out line module 200 in the embodiment of the present application, where the power supply system includes:

the line in-out module 200, the line in-out module 200 has a first strong current connection port 203, a first weak current connection port 204, and a second weak current connection port 205;

a plurality of the power distribution units 100 according to any one of the above embodiments, the miniature circuit breaker 20 of the power distribution unit 100 is connected to the first strong electric connection port 203, and the signal acquisition circuit board 30 of the power distribution unit 100 is connected to the first weak electric connection port 204;

the control unit 300, the control unit 300 is connected with the second weak current connection port 205;

the first weak current connection port 204 is coupled to the second weak current connection port 205, and an information processing circuit board is installed in the control unit 300, and the information processing circuit board is configured to receive the weak current signal and send a control signal for controlling the on-off of the micro short-circuiting device.

Specifically, the wire inlet and outlet module 200 has a plurality of power wires therein, and one end of each power wire can be connected to an external power supply main wire inlet through the main wire inlet and outlet end 201 of the wire inlet and outlet module 200, and can be connected to a power supply main wire outlet for outputting power to external load equipment; and the other ends of the plurality of power lines may be connected to the power distribution unit 100 and the control unit 300 through the unit plugging ends 202 of the in-out line module 200 so as to electrically connect the power distribution unit 100 and the control unit 300 with external load devices through the in-out line module 200. In some embodiments of the present application, the in-out line module 200 may further have a plurality of control signal lines therein, where the control signal lines connect the power distribution unit 100 and the control unit 300, so that the control unit 300 may control internal devices (e.g., circuit breakers) of the power distribution unit 100.

It will be appreciated that the in-out wire module 200 may also have a detection sensor, such as a current sensor, a voltage sensor, a temperature sensor, etc., inside the in-out wire module 200 to monitor the operation state of the in-out wire module 200 and send a signal to the control unit 300.

The control unit 300 may control/receive detection signals for devices inside the incoming and outgoing line module 200 and the power distribution unit 100, for example, the control unit 300 may detect the current of the power line in the incoming and outgoing line module 200, so as to control the micro circuit breaker 20 of the power distribution unit 100 to be turned off or turned on; for another example, the control unit 300 may detect the temperature in the inlet and outlet module 200, thereby controlling the fan speed of the inlet and outlet module 200. Specifically, the information processing circuit board inside the control unit 300 may be provided with a Chip, which may be an integrated circuit (Integrated Circuit, IC), or a micro circuit (microcircuit), a microchip (microchip), a wafer/Chip (Chip), which may be, but is not limited to, a System On Chip (SOC), a System on package (System In Package, SIP) Chip, so as to receive a detection signal through an interface of the Chip and emit a control Chip, and output a control signal through the Chip.

The first strong electric connection port 203 of the in-out line module 200 may be in butt joint with the strong electric port 12 of the power distribution unit 100, so as to realize power supply input and output of the power distribution unit 100; the first weak current connection port 204 of the wire inlet and outlet module 200 may be in butt joint with the weak current port 13, and the second weak current connection port 205 of the wire inlet and outlet module 200 may be connected with the control unit 300, and since the first weak current connection port 204 is coupled with the second weak current connection port 205, the signal acquisition circuit board 30 inside the wire inlet and outlet module 200 may be connected with the information processing circuit board inside the control unit 300, so that the information processing circuit board may send a control signal to the signal acquisition circuit board 30 and control the on-off of the corresponding micro breaker 20 according to the voltage and/or current signals sent by the signal acquisition circuit board 30.

It should be noted that, the first strong-current connection port 203, the first weak-current connection port 204, and the second weak-current connection port 205 may be a male plug or a female plug, which may be adaptively adjusted according to needs; for example, if the weak current port 13 connected to the first weak current connection port 204 is a male plug, the first weak current connection port 204 is a female plug; for another example, the second weak current connection port 205 is a male plug, and thus the specific type of plug of the first strong current connection port 203, the first weak current connection port 204, and the second weak current connection port 205 is not particularly limited in this application.

In the power supply system of the application, the incoming and outgoing lines of the AC/DC column cabinet are integrated into the incoming and outgoing line module 200, the miniature circuit breakers 20 and the signal acquisition circuit board 30 are integrated into one power distribution unit 100, and the direct-docking control unit 300 is utilized to realize power supply system management, so that the AC/DC column cabinet is modularly integrated, the modularized power supply system line connection is convenient, the strong electric signal line of the traditional AC/DC column cabinet is reduced, the manufacturing cost of the power supply system is reduced, and the size of the modularized power supply system is reduced.

In some embodiments of the present application, with continued reference to fig. 6, fig. 6 shows a schematic structural diagram of a total wire inlet and outlet 201 of the wire inlet and outlet module 200 in the embodiments of the present application, where the wire inlet and outlet module 200 has a total wire inlet and outlet 201 and a unit plug 202, and the total wire inlet and outlet 201 and the unit plug 202 are opposite ends; the first strong electric connection port 203, the first weak electric connection port 204, and the second weak electric connection port 205 are located at the unit plug-in terminal 202, the main line-in and-out terminal 201 has a second strong electric connection port 206 for connecting to the main line of power and a third strong electric connection port 207 for connecting to the main line of power, and the second strong electric connection port 206 and the third strong electric connection port 207 are coupled with the first strong electric connection port 203.

It should be noted that, the second strong electric connection port 206 and the third strong electric connection port 207 may be male plugs or female plugs, or one of the second strong electric connection port 206 and the third strong electric connection port 207 is a male plug, and the other is a female plug, the second strong electric connection port 206 may be connected to a power supply total line, and the third strong electric connection port 207 may be connected to a power supply total line, so as to facilitate connection of an access power supply through the second strong electric connection port 206 and output the power supply through the third strong electric connection port 207.

Specifically, when the power main incoming line is connected to the second strong electric connection port 206, the current of the power main incoming line flows through the second strong electric connection port 206, the first strong electric connection port 203, the strong electric port 12, the miniature circuit breaker 20, the first strong electric connection port 203, and the third strong electric connection port 207 in sequence, and finally is output through the power main outgoing line connected to the third strong electric connection port 207, if a miniature circuit breaker 20 is disconnected, the load device connected to the power main outgoing line and corresponding to the miniature circuit breaker 20 is powered off.

In the above embodiment, since the main line in-out terminal 201 and the unit plug-in terminal 202 are opposite ends, the unit plug-in terminal 202 can be connected to the power distribution unit 100 and the control unit 300 through the first strong-current connection port 203, the first weak-current connection port 204 and the second weak-current connection port 205, and the main line in-out terminal 201 can be connected to a power supply and a load device through the power supply main line and the power supply main line, so that the input/output and the control of the power supply system are respectively located at two ends of the line in-out module 200, thereby realizing reasonable utilization of the power supply system space and reasonable distribution management of lines, and avoiding the phenomenon that each unit of the power supply system is connected to each unit, the input wiring and the output wiring are mixed.

In some embodiments of the present application, with continued reference to fig. 4, a plurality of power distribution units 100 are disposed overlapping with the control unit 300, such that there is no space waste between the power distribution units 100 and the control unit 300, thereby facilitating further downsizing of the power supply system.

In some embodiments of the present application, with continued reference to fig. 5 and 6, the in-out module 200 has a first side plate 210, a second side plate 220, and a bottom plate 230 connected to the unit mating end 202; the first side plate 210, the second side plate 220, and the bottom plate 230 extend in a direction away from the main line-in and line-out terminal 201, and the first side plate 210, the second side plate 220, and the bottom plate 230 together define a mounting space 240 in which the power distribution unit 100 and the control unit 300 are mounted at the main line-in and line-out terminal 201.

It should be noted that, the first side plate 210, the second side plate 220 and the bottom plate 230 may be structurally integrated with the side plate or the bottom plate 230 of the wire inlet and outlet module 200, or connected to the wire inlet and outlet module 200 by bolts or welding, generally, the first side plate 210 and the second side plate 220 are connected to two sides of the wire inlet and outlet module 200, and the bottom plate 230 is connected to the bottom of the wire inlet and outlet module 200, so that the first side plate 210, the second side plate 220 and the bottom plate 230 together define an installation space 240 similar to a U-shaped slot at the bus terminal 201, and the power distribution unit 100 and the control unit 300 may be sequentially stacked and installed at the unit plugging end 202 of the wire inlet and outlet module 200 from bottom to top.

It can be appreciated that, in addition to the left and right sides of the in-out line module 200, the first and second side plates 210 and 220 may be mounted on the upper and lower sides of the in-out line module 200, and the bottom plate 230 may cover the left or right sides of the first and second side plates 210 and 220 to form the mounting space 240; alternatively, a cover plate may be further disposed, such that the cover plate, the first side plate 210, the second side plate 220, and the bottom plate 230 enclose a square chamber to cover the entire periphery of the power distribution unit 100 and the control unit 300.

In some embodiments of the present application, the sum of the heights of all the power distribution units 100 and the heights of all the control units 300 is substantially equal to the height of the in-out line module 200, and the widths of the power distribution units 100, the control units 300 and the in-out line module 200 are substantially equal, so that after the power distribution units 100 and the control units 300 are plugged into the unit plugging ends 202 of the in-out line module 200, the whole modular power system is approximately in a cube shape, which is beneficial to realizing the maximum utilization of space.

In some embodiments of the present application, with continued reference to fig. 5 and 6, wherein the first side plate 210 is disposed opposite the second side plate 220; the opposite sides of the first side plate 210 and the second side plate 220 are provided with a plurality of groups of sliding rails 250, and the sliding rails 250 extend along the plugging direction of the power distribution unit 100, so that the power distribution unit 100 and the control unit 300 can be plugged into the unit plugging end 202 of the wire inlet and outlet module 200 through the sliding rails 250, and the power distribution unit 100 and the control unit 300 can be installed more simply, conveniently and rapidly.

Further, in some embodiments of the present application, fig. 3, fig. 7 and fig. 8, fig. 7 are schematic side views of one side of the control unit 300 in the embodiments of the present application, fig. 8 is a schematic side view of the other side of the control unit 300 in the embodiments of the present application, wherein one end of the power distribution unit 100 facing away from the power inlet and outlet module 200 is provided with the first mounting bracket 15, one end of the control unit 300 adjacent to the power inlet and outlet module 200 is provided with the third weak electric connection port 301, one end of the control unit 300 facing away from the power inlet and outlet module 200 is provided with the second mounting bracket 303, the first mounting bracket 15 and the second mounting bracket 303 are locked in the threaded holes of the first side plate 210 and/or the second side plate 220 by screws, so that the power distribution unit 100 and the control unit 300 are kept fixed with the power inlet and outlet module 200, and the third weak electric connection port 301 is connected with the second weak electric connection port 205 of the power inlet and outlet module 200, so that the power inlet and outlet module 200 sequentially receives/transmits signals through the second weak electric connection port 205 and the first weak electric connection port 204, and the power inlet and outlet module 300 is prevented from being moved out of the mounting space 240 along the slide rail.

It will be appreciated that the power distribution unit 100 and the control unit 300 may also be fixed to the incoming and outgoing line module 200 by riveting or welding, etc.

In some embodiments of the present application, with continued reference to fig. 5 and 6, the wire inlet and outlet module 200 has an air outlet 260 and a cooling fan 270 mounted at the air outlet 260, and the surface of the wire inlet and outlet module 200 is provided with a plurality of air inlet holes 280 communicating with the interior thereof. Specifically, when the cooling fan 270 works, air can enter the inside of the wire inlet and outlet module 200 from the plurality of air inlet holes 280, cool the power wire inside the wire inlet and outlet module 200 in the air flowing process, and finally be discharged through the air outlet 260, so that the purpose of cooling the wire inlet and outlet module 200 is achieved, and the phenomenon of overhigh temperature in the working process of the wire inlet and outlet module 200 is avoided.

Further, in some embodiments of the present application, with continued reference to fig. 2, 5, and 6, the air inlet 280 is located at the unit mating end 202 of the inlet/outlet module 200; the power distribution unit 100 has a plurality of first through holes 14 adjacent to one end of the incoming and outgoing line module 200, and the plurality of first through holes 14 are opposite to at least part of the air inlet holes 280. It should be noted that, since the plurality of first through holes 14 are opposite to at least part of the air inlet holes 280, when the cooling fan 270 works, air inside the power distribution unit 100 can flow into the air inlet holes 280 from the first through holes 14, so that the cooling fan 270 can drive air inside the power distribution unit 100 to flow when working, and finally, the cooling fan 270 is utilized to dissipate heat of the power distribution unit 100 and the wire inlet/outlet module 200.

More specifically, with continued reference to fig. 2, adjacent miniature circuit breakers 20 have a vent gap (e.g., a 2mm gap) therebetween. That is, when the cooling fan 270 drives the air inside the power distribution unit 100 to flow, the air flows in from the ventilation gap at one end of the power distribution unit 100, then flows inside the power distribution unit 100 and flows out through the first through hole 14, so that the air completely flows through the power distribution unit 100, which is beneficial to improving the heat dissipation efficiency of the power distribution unit 100.

In some embodiments of the present application, with continued reference to fig. 5, 6 and 8, the control unit 300 has a plurality of second through holes 302 adjacent to one end of the incoming and outgoing line module 200, and the plurality of second through holes 302 are opposite to at least part of the air inlet 280. Similarly, since the plurality of second through holes 302 are opposite to at least part of the air inlet 280, when the cooling fan 270 works, air inside the control unit 300 can flow into the air inlet 280 from the second through holes 302, so that the cooling fan 270 drives air inside the control unit 300 to flow, and finally, the cooling fan 270 is utilized to simultaneously cool the control unit 300 and the wire inlet and outlet module 200.

In the foregoing embodiments, the descriptions of the embodiments are focused on, and the portions of one embodiment that are not described in detail in the foregoing embodiments may be referred to in the foregoing detailed description of other embodiments, which are not described herein again.

While the basic concepts have been described above, it will be apparent to those skilled in the art that the foregoing detailed disclosure is by way of example only and is not intended to be limiting. Although not explicitly described herein, various modifications, improvements, and adaptations of the present application may occur to one skilled in the art. Such modifications, improvements, and modifications are intended to be suggested within this application, and are therefore within the spirit and scope of the exemplary embodiments of this application.

Meanwhile, the present application uses specific words to describe embodiments of the present application. Reference to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic is associated with at least one embodiment of the present application. Thus, it should be emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various positions in this specification are not necessarily referring to the same embodiment. Furthermore, certain features, structures, or characteristics of one or more embodiments of the present application may be combined as suitable.

Likewise, it should be noted that in order to simplify the presentation disclosed herein and thereby aid in understanding one or more inventive embodiments, various features are sometimes grouped together in a single embodiment, figure, or description thereof. This method of disclosure, however, is not intended to imply that more features than are presented in the claims are required for the subject application. Indeed, less than all of the features of a single embodiment disclosed above.

In some embodiments, numbers describing the components, number of attributes are used, it being understood that such numbers being used in the description of embodiments are modified in some examples by the modifier "about," approximately, "or" substantially. Unless otherwise indicated, "about," "approximately," or "substantially" indicate that the number allows for a 20% variation. Accordingly, in some embodiments, numerical parameters set forth in the specification and claims are approximations that may vary depending upon the desired properties sought to be obtained by the individual embodiments. In some embodiments, the numerical parameters should take into account the specified significant digits and employ a method for preserving the general number of digits. Although the numerical ranges and parameters set forth herein are approximations that may be employed in some embodiments to confirm the breadth of the range, in particular embodiments, the setting of such numerical values is as precise as possible.

For each patent, patent application publication, and other material, such as articles, books, specifications, publications, documents, etc., cited in this application, the entire contents of which are hereby incorporated by reference into this application, except for the application history documents which are inconsistent or conflict with the contents of this application, and for documents which have limited the broadest scope of the claims of this application (currently or hereafter attached to this application). It is noted that the descriptions, definitions, and/or terms used in the subject matter of this application are subject to such descriptions, definitions, and/or terms if they are inconsistent or conflicting with such descriptions, definitions, and/or terms.

The foregoing has described in detail a power distribution unit and a power supply system provided by embodiments of the present application, and specific examples have been applied herein to illustrate the principles and embodiments of the present utility model, where the foregoing examples are provided to assist in understanding the methods of the present utility model and their core ideas; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present utility model, the present description should not be construed as limiting the present utility model.

Claims (10)

1. A power distribution unit, comprising:

a mounting frame (10);

a plurality of miniature circuit breakers (20), the miniature circuit breakers (20) are fixed in the mounting frame body (10), and the miniature circuit breakers (20) are configured to be connected with corresponding strong electric signal lines and control the on-off of the strong electric signal lines;

the signal acquisition circuit board (30), the signal acquisition circuit board (30) is connected with each miniature circuit breaker (20) and outputs weak current signals corresponding to the strong electric signal lines;

wherein a plurality of said miniature circuit breakers (20) are arranged side by side adjacent to said signal acquisition circuit board (30).

2. The power distribution unit according to claim 1, characterized in that the miniature circuit breaker (20) has a voltage output and a current output;

the voltage output part is coupled with the strong electric signal line and is coupled to the signal acquisition circuit board (30) so as to provide weak electric signals corresponding to the voltage signals in the strong electric signal line for the signal acquisition circuit board (30);

the current output part is coupled with the strong electric signal line and is coupled to the signal acquisition circuit board (30) so as to provide weak electric signals corresponding to the current signals in the strong electric signal line for the signal acquisition circuit board (30).

3. The power distribution unit according to claim 2, characterized in that the miniature circuit breaker (20) further has a temperature acquisition section;

the temperature acquisition part is coupled to the signal acquisition circuit board (30) so as to provide weak current signals corresponding to the real-time temperature of the miniature circuit breaker (20) for the signal acquisition circuit board (30).

4. The power distribution unit according to claim 1, wherein a plurality of the miniature circuit breakers (20) are arranged side by side in a length direction or a width direction of the signal acquisition circuit board (30); or alternatively

The miniature circuit breakers (20) are arranged side by side, and the miniature circuit breakers (20) are overlapped with the signal acquisition circuit board (30).

5. The power distribution unit according to claim 4, wherein one end of the mounting frame (10) is provided with a mounting notch (11), and a plurality of miniature circuit breakers (20) are mounted in the mounting notch (11) side by side.

6. The power distribution unit (100) according to claim 5, wherein an end of the mounting frame (10) facing away from the mounting gap (11) is provided with a strong current port (12) and a weak current port (13);

the strong current port (12) is connected with the strong electric signal line, and the weak current port (13) is connected with the signal acquisition circuit board (30) to output the weak current signal.

7. A power supply system, comprising:

an in-out line module (200), wherein the in-out line module (200) is provided with a first strong-current connection port (203), a first weak-current connection port (204) and a second weak-current connection port (205);

a plurality of power distribution units (100) according to any one of claims 1 to 6, the miniature circuit breakers (20) of the power distribution units (100) being connected to the first strong electrical connection port (203), the signal acquisition circuit board (30) of the power distribution units (100) being connected to the first weak electrical connection port (204);

a control unit (300), the control unit (300) being connected to the second weak electrical connection port (205);

the first weak current connection port (204) is coupled with the second weak current connection port (205), and an information processing circuit board is installed in the control unit (300) and is configured to receive the weak current signal and send out a control signal for controlling the on-off of the miniature short-circuiting device.

8. The power supply system of claim 7, wherein the line access module (200) has a total line access terminal (201) and a unit patch terminal (202), the total line access terminal (201) being opposite the unit patch terminal (202);

the first strong-current connection port (203), the first weak-current connection port (204) and the second weak-current connection port (205) are positioned at the unit plug-in end (202);

the bus inlet and outlet terminal (201) has a second strong electric connection port (206) for connecting to a power bus line and a third strong electric connection port (207) for connecting to a power bus line, and the second strong electric connection port (206) and the third strong electric connection port (207) are coupled to the first strong electric connection port (203).

9. The power supply system according to claim 8, wherein a plurality of the power distribution units (100) are disposed overlapping the control unit (300).

10. The power supply system of claim 9, wherein the in-out module (200) has a first side plate (210), a second side plate (220), and a bottom plate (230) connected to the unit plug end (202);

-the first side plate (210), the second side plate (220) and the bottom plate (230) extend in a direction away from the total wire inlet and outlet end (201);

the first side plate (210) and the second side plate (220) are oppositely arranged, a plurality of groups of sliding rails (250) are arranged on opposite sides of the first side plate (210) and the second side plate (220), and the sliding rails (250) extend along the plugging direction of the power distribution unit (100).