CN117977785A - Equipment and method capable of cutting off server load - Google Patents
Equipment and method capable of cutting off server load Download PDFInfo
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Abstract
The application provides a device and a method capable of cutting off a server load, comprising the following steps: the branch parameter acquisition module is used for acquiring power supply parameters in a power supply branch and sending the power supply parameters to the centralized controller, wherein the power supply branch is any branch of a plurality of parallel connection branches in a power supply system; the centralized controller is used for receiving the power supply parameters sent by the branch parameter acquisition module in the power supply branch, determining whether the power supply abnormality exists in the power supply branch according to the power supply parameters, generating corresponding driving signals and sending the driving signals to the switch circuit; the switch circuit comprises a driving circuit and a switch, the switch is connected in series on the power supply branch and connected with a load on the power supply system, and the driving circuit drives the switch to be opened or closed according to a driving signal. According to the equipment for cutting off the load of the server, provided by the application, the power supply and the load can be cut off rapidly through intelligent operation, the operation and maintenance technician is not required to reset manually, the operation and maintenance efficiency is improved, and the intelligent requirement of industrial development is met.
Description
Technical Field
The application provides equipment and a method capable of cutting off a server load, and relates to the field of communication power protection.
Background
In the traditional power supply system, in general, the branches are provided with independent open or fuse wires between the server and the bus, and when overcurrent faults occur on the load side of the server, the open or fuse wires can be tripped; the principle of the fuse protection measure is that after the large current passes through the fuse to generate heat, the fuse is blown to achieve the function of cutting off a circuit, the current and the resistance of the fuse determine the heat generation speed, the appearance or the mechanical structure of the fuse determine the heat dissipation speed, the overall reaction time is slow, the equipment is possibly damaged due to untimely cutting off of the current, and even a fire accident is caused by partial discharge; meanwhile, operation and maintenance technicians need to be powered off for manual reset or replacement after tripping, so that the system power supply is not sustainable, and the power-off maintenance in a data center can cause irrecoverable loss.
Meanwhile, the existing circuit breaker only has tripping protection and operation mechanisms, has no independent functions of voltage, load current, temperature, electric quantity statistics and communication, cannot meet the intelligent development requirements of the existing industrial equipment, and has a plurality of inconveniences in practical application.
Disclosure of Invention
The application provides equipment and a method for cutting off a server load, which can detect current and voltage, comprehensively judge and then rapidly switch on and off the power supply and the load, protect the power supply and the load, avoid fire accidents, avoid manual reset of operation and maintenance technicians and meet the intelligent requirement of industrial development.
In a first aspect, the present application provides an apparatus for shutting down a server load, comprising:
The branch parameter acquisition module is used for acquiring power supply parameters in a power supply branch and sending the power supply parameters to the centralized controller, wherein the power supply branch is any branch connected in parallel in a power supply system;
The centralized controller is used for receiving the power supply parameters sent by the branch parameter acquisition module in the power supply branch, determining whether the power supply branch has abnormal power supply according to the power supply parameters, generating corresponding driving signals and sending the driving signals to the switch circuit;
the switch circuit comprises a driving circuit and a switch, the switch is connected in series on the power supply branch and is connected with a load on the power supply system, and the driving circuit drives the switch to be opened or closed according to the driving signal.
In one or more possible embodiments, further comprising:
the main path parameter acquisition module is used for acquiring power supply parameters in a main path for supplying power in the power supply system and transmitting the power supply parameters to the centralized controller connected with each power supply branch;
The centralized controller is also used for determining whether the power supply branch circuit has abnormal power supply according to the power supply parameters in the main circuit.
In one or more possible embodiments, the centralized controller is further connected to a communication and address identification module in the connected power supply branch, the communication and address identification module being configured to detect the position of the power supply branch in the power supply system and to communicate with an external monitoring module;
The centralized controller is also used for sending the result of whether the determined power supply branch has abnormal power supply to the monitoring module through the communication and address identification module.
In one or more possible embodiments, the centralized controller is further configured to receive, through the communication and address identification module, an opening instruction or a closing instruction sent by the monitoring module, and generate a corresponding driving signal according to the opening or closing instruction, and send the driving signal to the switching circuit.
In one or more possible embodiments, the branch parameter acquisition module includes at least one of:
The branch voltage acquisition module comprises an input branch voltage acquisition module and/or an output branch voltage acquisition module, wherein the input branch voltage collector is connected with an input branch on the power supply branch and used for acquiring the input voltage of the input branch, and the output branch voltage collector is connected with an output branch on the power supply branch and used for acquiring the output voltage of the output branch;
the branch current acquisition module is connected in series on the power supply branch and is used for acquiring branch current;
The branch circuit temperature acquisition module is used for acquiring the temperature of an output connector, and the output connector is connected between an output branch circuit and the load.
In one or more possible embodiments, the total path parameter acquisition module includes a total path temperature acquisition module, connected with the power supply input total path through an input connector, and configured to acquire a total path temperature of the input connector, and send the total path temperature to the corresponding centralized controller.
In one or more possible embodiments, the branch current collection module is a shunt comprising a resistor connected in series in the power supply branch, and a voltage detection element connected across the resistor to monitor the voltage drop.
In one or more possible embodiments, the switching circuit further comprises a varistor and a residual current operated protector connected in parallel with the switch, respectively.
In one or more possible embodiments, the power supply system further comprises a slow start circuit, which is installed on the input branch/output branch of all the power supply branches in the power supply system and is used for preventing voltage abrupt change and protecting the switch.
In one or more possible embodiments, the system further comprises an auxiliary power supply module for supplying power to the branch parameter acquisition module, the centralized controller and the communication module.
In a second aspect, the present application also provides a method for cutting off a server load, including:
the centralized controller receives the power supply parameters sent by the branch parameter acquisition module in the power supply branch;
Determining whether the power supply branch circuit has abnormal power supply according to the power supply parameters, generating corresponding driving signals and sending the driving signals to a switch circuit;
the switch circuit receives the driving signal and drives a switch in the switch circuit to be opened or closed.
In one or more possible embodiments, further comprising:
the centralized controller receives the power supply parameters sent by the total path parameter acquisition module in the power supply input total path;
Determining whether the power supply branch circuit has abnormal power supply according to the power supply parameters, generating corresponding driving signals and sending the driving signals to a switch circuit;
the switch circuit receives the driving signal and drives a switch in the switch circuit to be opened or closed.
According to the equipment for cutting off the load of the server, provided by the application, the power supply and the load can be rapidly cut off through intelligent operation, the centralized controller can receive the power supply parameters sent by the branch parameter acquisition module, judge whether power supply abnormality occurs according to the power supply parameters, generate corresponding driving signals and send the driving signals to the switch circuit, and the switch circuit opens or closes the switch according to the driving signals, so that the rapid power supply and the load are rapidly switched on and off through intelligent operation, the power supply and the load are protected, fire accidents are avoided, the operation and maintenance efficiency is improved, the switch size is reduced, the product is more intelligent and miniaturized, and the intelligent requirement of industrial development is met.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application and do not constitute a undue limitation on the application.
FIG. 1 is a schematic diagram of a prior art module provided in accordance with one embodiment of the present application;
FIG. 2 is a schematic diagram of a system module according to one embodiment of the present application;
FIG. 3 is a block diagram of a switching circuit according to one embodiment of the present application;
FIG. 4 is a schematic diagram of a system module according to one embodiment of the present application;
FIG. 5 is a schematic block diagram of a server load cut-off according to one embodiment of the present application;
FIG. 6 is a schematic diagram of a communication module according to an embodiment of the present application;
FIG. 7 is a schematic diagram of a switch position provided in accordance with one embodiment of the present application;
FIG. 8 is a schematic diagram of a switch position provided in accordance with one embodiment of the present application;
FIG. 9 is a schematic diagram of a switch position provided in accordance with one embodiment of the present application;
FIG. 10 is a schematic diagram of a soft start circuit according to one embodiment of the present application;
FIG. 11 is a schematic diagram of a soft start circuit according to an embodiment of the present application;
FIG. 12 is a schematic diagram of a system module provided in accordance with one embodiment of the present application;
Fig. 13 is a flowchart of a method for shutting down a server load according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described in further detail below with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In a traditional power supply system, in general, between a server and a bus, the branches are provided with independent open or fuse wires, and when an overcurrent fault occurs on the load side of the server, the open or fuse wires can be tripped. The principle is that after the large current passes through the fuse to generate heat, the fuse is blown to achieve the function of cutting off a circuit, the speed of generating heat is determined by the current and the resistance of the fuse, the heat dissipation speed is determined by the shape or the mechanical structure of the fuse, the overall reaction time is slow, the equipment is possibly damaged due to untimely cutting off of the current, and even a fire accident is caused by partial discharge; meanwhile, operation and maintenance technicians need to be powered off for manual reset or replacement after tripping, so that the system power supply is not sustainable, and the power-off maintenance in a data center can cause irrecoverable loss.
The specific power supply circuit in the prior art is shown in fig. 1, and includes: the power supply device comprises a power supply 101, fuses 102 and a load 103, wherein the fuses 102 and the load 103 are in one-to-one correspondence, the power supply is connected with a power supply input main path, the power supply input main path is divided into input branches in a plurality of power supply branches through a branching unit, and the fuses are installed on the input branches and are disconnected when the load breaks down and are used for protecting the load. The principle of fuse protection measures is that after a large current passes through a fuse to generate heat, the fuse is blown to achieve the effect of cutting off a circuit, the current and the resistance of the fuse determine the heat generation speed, the appearance or the mechanical structure of the fuse determine the heat dissipation speed, the overall reaction time is slow, the equipment is possibly damaged due to untimely cutting off of the current, and even a fire accident is caused by partial discharge; meanwhile, operation and maintenance technicians need to be powered off for manual reset or replacement after tripping, so that the system power supply is not sustainable, and the power-off maintenance in a data center is not acceptable.
Based on the above-mentioned problems, the present application provides an apparatus for cutting off a server load, as shown in fig. 2, comprising: the system comprises a branch parameter acquisition module 201, a centralized controller 202 and a switching circuit; the above-mentioned branch parameter collection module 201 is configured to collect power supply parameters in a connected power supply branch 2041, and send the power supply parameters to the centralized controller, where the power supply branch 2041 is any branch of a plurality of parallel branches for power supply in the power supply system; the power system includes a power input main circuit 204, which is divided into a plurality of power supply branches 2041, and any of the power supply branches includes the branch parameter acquisition module. The centralized controller 202 is configured to receive a power supply parameter sent by the branch parameter acquisition module in the connected power supply branch, determine whether the power supply branch has a power supply abnormality according to the power supply parameter, and generate a corresponding driving signal to send to the switching circuit; the centralized controller is a DSP controller and can receive the parameters sent by the branch parameter acquisition module, and when the centralized controller receives the parameters, the centralized controller can process data and judge whether the parameters exceed a set threshold range. When the parameters exceed the set threshold range, judging that the power supply branch has abnormal power supply, and the centralized controller generates corresponding driving signals and sends the driving signals to the switch circuit; when the power supply branch circuit has abnormal power supply, the centralized controller generates a corresponding opening signal and sends the corresponding opening signal to the switch circuit, so that the switch circuit is disconnected to achieve the aim of protection; the switch circuit comprises a drive circuit 2031 and a switch 2032, the switch is connected in series on the power supply branch and connected with a load on the power supply system, and the drive circuit drives the switch to be opened or closed according to the drive signal.
According to the equipment for cutting off the server load, the centralized controller judges whether power supply abnormality occurs according to the power supply parameters sent by the branch parameter acquisition module, a corresponding driving signal is generated and sent to the switch circuit, the switch circuit opens or closes a switch according to the driving signal, the power supply and the load are rapidly switched on and off through intelligent operation, the power supply and the load are protected, fire accidents are avoided, manual reset of operation and maintenance technicians is not needed, and the intelligent requirement of industrial development is met.
In one or more possible embodiments, as shown in fig. 3, the switch circuit further includes a varistor 2033 and a residual current operated protector 2034 connected in parallel with the switch 2032, respectively, to protect the switch from damage when the voltage in the circuit changes rapidly, to avoid frequent replacement of the switch, and to save labor and resources.
In one or more possible embodiments, as shown in fig. 4, the centralized controller may receive the parameters sent by the bypass parameter collection module, and at the same time, the centralized controller may also receive the total path parameters of the total path parameter collection module 402, so as to achieve more efficient management; the main path parameter collection module is configured to collect power supply parameters in a main path 401 for supplying power in a power supply system, and send the power supply parameters to a centralized controller connected with each power supply branch path; the centralized controller in any corresponding branch circuit determines whether the power supply abnormality exists according to the parameters of the total path parameter acquisition module, and if the power supply abnormality exists according to the parameters acquired by the total path parameter acquisition module, all the power supply branch circuits disconnect the switch according to the driving signals; when the data collected by the branch parameter collection module and the total path parameter collection module do not exceed the set corresponding threshold range, the centralized controller sends a closing signal, and the driving circuit drives the switch to be closed according to the closing signal, so that the power supply and the load are connected. In one or more possible embodiments, the above-mentioned branch parameter acquisition module includes at least any one of the following: the system comprises a branch voltage acquisition module, a branch current acquisition module and a branch temperature acquisition module; the branch voltage acquisition module comprises an input branch voltage acquisition module and/or an output branch voltage acquisition module, wherein the input branch voltage acquisition module is used for acquiring input voltage on an input branch, the output branch voltage acquisition module is used for acquiring output voltage on an output branch, the input voltage and/or the output voltage acquired by the branch voltage acquisition module are sent to the centralized controller, the centralized controller compares the input voltage and/or the output voltage with a corresponding set threshold range, when at least one acquired parameter exceeds the set threshold range, an opening signal is immediately sent out, and the driving circuit receives the opening signal and immediately drives the switch to be disconnected, so that a circuit between a power supply and a load is cut off; the branch current acquisition module is connected in series on the power supply branch and is used for acquiring branch current, the branch current acquisition module is a shunt, and the shunt comprises a resistor connected in series in the branch and a voltage detection element connected at two ends of the resistor for monitoring voltage drop; the branch temperature acquisition module is used for acquiring the temperature of an output connector, and the output connector is connected between the output branch and the load; parameters acquired by the branch parameter acquisition module are required to be sent to the centralized controller, whether the power supply branch is abnormal or not is judged through a corresponding set threshold value, and a corresponding driving signal is sent to the switch circuit; the centralized controller receives the parameters sent by the branch parameter acquisition module and the total path parameters sent by the total path parameter acquisition module, judges whether the problem of abnormal power supply exists according to the parameters, and has high speed of sending the parameters to the centralized controller.
In one or more possible embodiments, the total path parameter collection module includes a total path temperature collection module, connected with the power supply input total path through an input connector, and configured to collect a total path temperature of the input connector and send the total path temperature to a corresponding any centralized controller; as shown in fig. 5, the power supply system includes a power supply 501, an intelligent switch 20 and a load 503, wherein the power supply supplies power to the load through a power supply input main path 502, the power supply input main path is divided into a plurality of power supply branches through an input connector, the intelligent switch is mounted on any branch, and the intelligent switch is connected with the load through an output connector; the total path parameter collection module comprises a total path temperature collection module, wherein the total path temperature collection module is used for collecting the temperature of the input connector and sending the collected total path temperature to the centralized controllers in all the intelligent switches 20, the centralized controllers compare the collected total path temperature with a corresponding set threshold range to judge whether the total path temperature exceeds the set threshold range, if the total path temperature exceeds the set threshold range, the power supply abnormality is indicated, and corresponding driving signals are sent to the switch circuits; the centralized controller judges whether the problem of abnormal power supply exists or not by comparing the collected total road temperature with the set threshold range, thereby rapidly cutting off the connection between the server and the load and avoiding accidents.
The parameters collected by the branch temperature collection modules are the branch temperatures of the output connectors, the output connectors are installed on each power supply branch and connected with a load, the branch temperature collection modules collect the branch temperatures of the corresponding power supply branches and send the branch temperatures to the centralized controllers in the intelligent switches of the corresponding power supply branches, the centralized controllers judge whether the branch temperatures exceed the corresponding set threshold ranges, if the branch temperatures exceed the set threshold ranges, power supply abnormality is indicated, and corresponding driving signals are sent to the switch circuits of the corresponding branches.
In one or more possible embodiments, as shown in fig. 6, the centralized controller is further connected to a communication and address identification module 601 in the connected power supply branch, the communication and address identification module being configured to detect the position of the power supply branch in the power supply system and to communicate with an external monitoring module 602; the centralized controller is also used for sending the result of whether the determined power supply branch has abnormal power supply to the monitoring module through the communication and address identification module. The centralized controller on any power supply branch is connected with the corresponding communication and address identification module, the centralized controller is connected with the communication and address identification module through a CAN line, and the control communication and address identification module is connected with the monitoring module through the CAN line, so that the centralized controller on any branch CAN be communicated with the monitoring module; the communication and address recognition module can recognize that the intelligent switch is at a specific position of a power supply system, for example, the power supply system is provided with 32 parallel power supply branches with the numbers of 1 to 32, a centralized controller in the intelligent switch on each power supply branch is connected with a communication and address recognition module, the communication and address recognition module can recognize a specific number position, and the communication and address recognition module is connected with a power supply branch with the number of 3 to recognize and communicate with the centralized controller on the number of 3 power supply branches; when the collected input voltage is overlarge, the centralized controller immediately sends an opening signal to send an opening switch circuit, the switch is disconnected, and fault information with overlarge voltage is sent to the monitoring module through the communication and address identification module, so that related problems can be conveniently found, time is saved, and maintenance efficiency is improved.
In one or more possible embodiments, the centralized controller is further configured to receive, through the communication and address identification module, an open instruction or a close instruction sent by the monitoring module, and generate a corresponding driving signal according to the open instruction or the close instruction, and send the driving signal to the switch circuit; the monitoring module can send an opening instruction or a closing instruction to control a switch circuit on any branch, when a switch of a certain power supply branch is required to be disconnected, the monitoring module sends the opening instruction and sends the opening instruction to a corresponding centralized controller through the communication and address identification module, the centralized controller receives the opening instruction and generates a corresponding driving signal, and the driving circuit drives the switch to be opened according to the corresponding driving signal, so that the power supply branch where the switch is located is disconnected; the centralized controller receives the instruction of the monitoring module, can select to actively disconnect the load and the server when needed, is convenient for maintenance operation and the like, or actively connect the server and the load to perform normal work, and has simple and easy operation; meanwhile, the system can remotely maintain and simultaneously monitor data and faults on line, is convenient to maintain, improves operation and maintenance efficiency and reduces operation and maintenance cost.
In one or more possible embodiments, the switch in the switch circuit is connected in series to the power supply branch, where the power supply branch is divided into a positive lead and a negative lead, as shown in fig. 7, where the switch may be connected in series to the positive lead, as shown in fig. 8, or connected in series to the negative lead, or connected in series to both the positive lead and the negative lead, as shown in fig. 9, where the problem of fast switching off the circuit between the power supply and the load is solved, where the switch is an insulated gate field effect transistor, or replaced by other components with the same function, and is not limited herein; compared with the traditional fuse, the insulated gate field effect transistor has the advantages of quick response time and accident avoidance.
In one or more possible embodiments, the apparatus for shutting down a server load provided by the present application further includes a slow start circuit, where the slow start circuit is installed on all power supply branches in the power supply system, and is configured to protect the switch when a sudden voltage change is detected; as shown in fig. 10, the slow start circuit may be mounted on the positive electrode lead, and as shown in fig. 11, the slow start circuit may be mounted on the negative electrode lead; the switch can be arranged on the positive lead wire and/or the negative lead wire, and the slow starting circuit is used for protecting the switch, and the current can be protected after flowing into the switch after passing through the slow starting circuit; when the switch is connected in series on any branch, a capacitive load with a larger capacity is likely to be encountered, for example, the load is a multi-module parallel input with a large-capacity electrolytic capacitor, and because the switching circuit action voltage conversion slope is large, a large pulse current is generated in the switching circuit action process, and the switch, namely the insulated gate field effect transistor is damaged, a slow start circuit is required to be added to protect the switching circuit.
In one or more possible embodiments, the apparatus for shutting down a server load provided by the present application further includes an auxiliary power module for powering the branch parameter acquisition module, the centralized controller, and the communication module. The auxiliary power supply module is connected with the input branch line to obtain the voltage required by the parameter acquisition module, the centralized controller and the communication module of the output branch line after electricity, and the module which is powered by the auxiliary power supply module can start to work; the auxiliary power supply module can meet the requirements of miniaturization and high-efficiency power supply.
The application provides equipment for cutting off a server load, which is shown in fig. 12 in detail, and comprises a power supply 1201, a load 1202 and an intelligent switch 1203; the intelligent switch includes a centralized controller 12031, where the centralized controller is configured to receive parameters collected by any one of the branch voltage collecting module, the branch current collecting module 12033, and the branch temperature collecting module, and simultaneously receive parameters collected by the total path parameter collecting module, compare the collected parameters with threshold ranges of corresponding parameters according to the collected parameters, and determine whether the collected parameters exceed the corresponding threshold ranges, and if the collected parameters exceed the set threshold ranges, indicate that power supply is abnormal, the centralized controller sends corresponding driving signals to the switch circuit; the switching circuit 12032 includes a driving circuit and a switch, and the driving circuit receives a driving signal to turn off the switch.
According to the same inventive concept, the present application also provides a method of shutting down a server load, as shown in fig. 13, comprising:
Step S1301, the centralized controller receives the power supply parameters sent by the branch parameter acquisition module in the power supply branch;
Step S1302, determining whether the power supply branch circuit has abnormal power supply according to the power supply parameters, and generating a corresponding driving signal to send to the switching circuit;
In step S1303, the switch circuit receives the driving signal and drives the switch in the switch circuit to open or close.
In one or more possible embodiments, further comprising: the centralized controller receives the power supply parameters sent by the total path parameter acquisition module in the power supply input total path; and determining whether the power supply branch circuit has abnormal power supply according to the power supply parameters, and generating a corresponding driving signal to be sent to the switching circuit.
According to the equipment and the method for cutting off the server load, the current and the voltage can be detected, the power supply and the load can be quickly switched on and off after intelligent comprehensive judgment, the power supply and the load are protected, the occurrence of fire accidents is avoided, operation and maintenance technicians are not required to reset manually, and the intelligent requirement of industrial development is met.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (12)
1. An apparatus for shutting down a server load, comprising:
The branch parameter acquisition module is used for acquiring power supply parameters in a power supply branch and sending the power supply parameters to the centralized controller, wherein the power supply branch is any branch connected in parallel in a power supply system;
The centralized controller is used for receiving the power supply parameters sent by the branch parameter acquisition module in the power supply branch, determining whether the power supply branch has abnormal power supply according to the power supply parameters, generating corresponding driving signals and sending the driving signals to the switch circuit;
the switch circuit comprises a driving circuit and a switch, the switch is connected in series on the power supply branch and is connected with a load on the power supply system, and the driving circuit drives the switch to be opened or closed according to the driving signal.
2. The apparatus as recited in claim 1, further comprising:
the main path parameter acquisition module is used for acquiring power supply parameters in a main path for supplying power in the power supply system and transmitting the power supply parameters to the centralized controller connected with each power supply branch;
The centralized controller is also used for determining whether the power supply branch circuit has abnormal power supply according to the power supply parameters in the main circuit.
3. The apparatus of claim 1, wherein the device comprises a plurality of sensors,
The centralized controller is also connected with a communication and address identification module in the connected power supply branch, and the communication and address identification module is used for detecting the position of the power supply branch in the power supply system and communicating with an external monitoring module;
The centralized controller is also used for sending the result of whether the determined power supply branch has abnormal power supply to the monitoring module through the communication and address identification module.
4. The apparatus of claim 3, wherein the centralized controller is further configured to receive, via the communication and address recognition module, an open command or a close command sent by the monitoring module, and generate a corresponding driving signal according to the open or close command, and send the driving signal to the switching circuit.
5. The apparatus of claim 1, wherein the bypass parameter acquisition module comprises at least one of:
The branch voltage acquisition module comprises an input branch voltage acquisition module and/or an output branch voltage acquisition module, wherein the input branch voltage acquisition module is connected with an input branch on the power supply branch and used for acquiring the input voltage of the input branch, and the output branch voltage acquisition module is connected with an output branch on the power supply branch and used for acquiring the output voltage of the output branch;
the branch current acquisition module is connected in series on the power supply branch and is used for acquiring branch current;
The branch circuit temperature acquisition module is used for acquiring the temperature of an output connector, and the output connector is connected between an output branch circuit and the load.
6. The apparatus of claim 2, wherein the total path parameter acquisition module comprises a total path temperature acquisition module connected to the power input total path via an input connector for acquiring a total path temperature of the input connector and transmitting to the corresponding centralized controller.
7. The apparatus of claim 5, wherein the branch current collection module is a shunt comprising a resistor in series with the power supply branch and a voltage detection element connected across the resistor to monitor voltage drop.
8. The apparatus of claim 1, wherein the switching circuit further comprises a varistor and a residual current operated protector connected in parallel with the switch, respectively.
9. The apparatus of claim 1, further comprising a soft start circuit mounted on all of said power supply branches in said power supply system for protecting said switch from sudden voltage changes.
10. The apparatus of claim 1, further comprising an auxiliary power module for powering the bypass parameter collection module, the centralized controller, and the communication module.
11. A method for shutting down a server load, comprising:
the centralized controller receives the power supply parameters sent by the branch parameter acquisition module in the power supply branch;
Determining whether the power supply branch circuit has abnormal power supply according to the power supply parameters, generating corresponding driving signals and sending the driving signals to a switch circuit;
the switch circuit receives the driving signal and drives a switch in the switch circuit to be opened or closed.
12. The method as recited in claim 11, further comprising:
the centralized controller receives the power supply parameters sent by the total path parameter acquisition module in the power supply input total path;
And determining whether the power supply branch circuit has abnormal power supply according to the power supply parameters, and generating a corresponding driving signal to be sent to a switching circuit.
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| CN202211305595.2A CN117977785A (en) | 2022-10-24 | 2022-10-24 | Equipment and method capable of cutting off server load |
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| CN202211305595.2A CN117977785A (en) | 2022-10-24 | 2022-10-24 | Equipment and method capable of cutting off server load |
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