CN116148581A - Fault diagnosis system of low-voltage switch cabinet - Google Patents
Fault diagnosis system of low-voltage switch cabinet Download PDFInfo
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- CN116148581A CN116148581A CN202310192291.8A CN202310192291A CN116148581A CN 116148581 A CN116148581 A CN 116148581A CN 202310192291 A CN202310192291 A CN 202310192291A CN 116148581 A CN116148581 A CN 116148581A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
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Abstract
The invention discloses a fault diagnosis system of a low-voltage switch cabinet, which comprises an information acquisition module, an information processing module, an information transmission module and a man-machine interaction module, wherein the information acquisition module, the information processing module and the information transmission module are all arranged in the low-voltage switch cabinet, and the man-machine interaction module is in remote communication with the low-voltage switch cabinet. According to the invention, a plurality of information acquisition modules are arranged through the information sensor to obtain the operation state related data of each partition of the low-voltage switch cabinet, the information processing module is used for self-analysis to confirm whether the fault can be automatically processed, if the fault exceeds the alarm threshold value of automatic processing, the information transmission module is used for uploading the fault to the man-machine interaction module to judge the fault by manpower, so that the time cost of monitoring and maintaining the low-voltage switch cabinet by manpower is saved, and the real-time data analysis and man-machine interaction of the low-voltage switch cabinet are realized, thereby improving the fault discovery and diagnosis efficiency of the low-voltage switch cabinet.
Description
Technical Field
The invention relates to the technical field of low-voltage switch cabinets, in particular to a fault diagnosis system of a low-voltage switch cabinet.
Background
The low-voltage switch cabinet is a device formed by a plurality of switches and measuring equipment, and can integrate a circuit control and detection device into one cabinet, so that the use safety and the management efficiency are greatly improved, and the device is widely applied to distribution offices and becomes an important carrier for power transmission and allocation. Since the low-voltage switch cabinet is easy to generate various fault data in long-time operation, the fault position and the fault reason of the equipment are rapidly and accurately detected, and the method is a main step for rapidly recovering the power.
The structure of low-voltage switch cabinet generally comprises relay instrument district, cable district, circuit breaker district and bus area four subregions to the different constitutional parts of low-voltage switch cabinet have very showing the difference, and the fault diagnosis system of current low-voltage switch cabinet can't the operation condition of each subregion of system's monitoring, can only monitor single subregion usually simultaneously, leads to data to separate processing, and the problem of easy occurrence trouble discovery and handling untimely, and the difficult alarm mechanism that triggers after the common minor problem appears, lead to the minor problem to pile up and make equipment ageing gradually until the trouble easily, has increased staff's manual monitoring and maintenance cost.
Disclosure of Invention
The invention aims to provide a fault diagnosis system of a low-voltage switch cabinet, which aims to solve the problems of untimely fault discovery and high manual monitoring cost of the existing low-voltage switch cabinet.
In order to achieve the above purpose, the present invention provides the following technical solutions: the fault diagnosis system of the low-voltage switch cabinet comprises an information acquisition module, an information processing module, an information transmission module and a man-machine interaction module, wherein the information acquisition module, the information processing module and the information transmission module are all arranged in the low-voltage switch cabinet, the man-machine interaction module is in remote communication with the low-voltage switch cabinet, the low-voltage switch cabinet comprises a relay instrument area, a bus area, a cable area and a breaker area, and the information acquisition module is provided with four relay instrument areas, bus areas, cable areas and breaker areas which are respectively arranged in the low-voltage switch cabinet;
the information acquisition module is used for acquiring data information of each partition in the low-voltage switch cabinet;
the information processing module is used for receiving the data information acquired by the information acquisition module, processing the data information, uploading abnormal data information and alarming;
the man-machine interaction module is used for processing the abnormal data information of the information processing module for uploading the alarm and remotely processing the abnormal data information;
the information transmission module is used for supporting data transmission among the information acquisition module, the information processing module and the man-machine interaction module.
Preferably, the information acquisition module comprises a temperature and humidity acquisition unit, an instrument data acquisition unit, a current acquisition unit and a voltage acquisition unit;
the temperature and humidity acquisition unit is used for acquiring temperature and humidity changes in a relay instrument area, a bus area, a cable area and a breaker area in the low-voltage switch cabinet;
the instrument data acquisition unit is used for acquiring instrument data of a relay instrument area in the low-voltage switch cabinet;
the current acquisition unit is used for acquiring current data of a cable zone in the low-voltage switch cabinet and a wire in the breaker zone;
the voltage acquisition unit is used for acquiring voltage data of a low-voltage bus in a bus area in the low-voltage switch cabinet.
Preferably, the temperature and humidity acquisition unit comprises a temperature sensor and a humidity sensor, the instrument data acquisition unit comprises a data converter, the current acquisition unit comprises a current transformer, and the voltage acquisition unit comprises a voltage transformer.
Preferably, the information processing module comprises a data storage unit, a data processing unit and a data alarm unit;
the data storage unit is used for storing the received data information of the low-voltage switch cabinet;
the data processing unit is used for carrying out data processing on the received data information of the low-voltage switch cabinet;
the data alarm unit is used for uploading abnormal data information and giving an alarm.
Preferably, the data storage unit includes a memory, where the memory is one of a read-only memory, a mechanical hard disk, a solid state hard disk, or a U-disk, and the data processing unit includes a processor, where the processor is one of a microprocessor computer readable medium, a logic gate, an application specific integrated circuit, a programmable logic controller, and an embedded microcontroller.
Preferably, the data processing unit is configured to perform data processing on the received data information of the low-voltage switch cabinet, and specifically includes:
the data processing unit receives the data information uploaded by the information acquisition module, detects the data information and analyzes whether the data information is abnormal or not;
if the data information is abnormal, continuously analyzing whether the fluctuation of the data information exceeds an early warning threshold value, if the fluctuation of the data information does not exceed the early warning threshold value, continuously receiving the data information, and monitoring the next data information;
and continuously analyzing whether the fluctuation of the data information exceeds an early warning threshold, if the fluctuation of the data information exceeds the early warning threshold, uploading and alarming abnormal data information through the data alarming unit, and if the fluctuation of the data information does not exceed the early warning threshold, automatically selecting according to a data abnormal preset processing scheme, and transmitting a selection result to a low-voltage switch cabinet for scheme execution.
Preferably, the information transmission module comprises a first signal receiving and transmitting unit, a second signal receiving and transmitting unit and a third signal receiving and transmitting unit, which are respectively arranged in the information acquisition module, the information processing module and the man-machine interaction module and are all used for data intercommunication among the modules.
Preferably, the man-machine interaction module comprises an information display unit, an operation control unit and an information warning unit;
the information display unit is used for displaying the data information uploaded by the information processing module;
the operation control unit is used for carrying out remote interaction with the data processing module and can carry out remote processing on abnormal data;
the information warning unit is used for receiving the warning information uploaded by the data warning unit and giving warning prompt in real time.
Preferably, the information display unit comprises a display or a remote terminal, the remote terminal is one of a mobile phone, a tablet personal computer, a palm personal computer PDA, a notebook computer or a desktop computer, the operation control unit is a controller, the controller is a control panel or a control module based on the remote terminal, and the information warning unit is an audible and visual alarm.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, a plurality of information acquisition modules are arranged through the information sensor to obtain the operation state related data of each partition of the low-voltage switch cabinet, the information processing module is used for self-analysis to confirm whether the fault can be automatically processed, if the fault exceeds the alarm threshold value of automatic processing, the information transmission module is used for uploading the fault to the man-machine interaction module to judge the fault by manpower, so that the time cost of monitoring and maintaining the low-voltage switch cabinet by manpower is saved, and the real-time data analysis and man-machine interaction of the low-voltage switch cabinet are realized, thereby improving the fault discovery and diagnosis efficiency of the low-voltage switch cabinet.
Drawings
Fig. 1 is a main structural block diagram of a fault diagnosis system of a low-voltage switch cabinet provided by an embodiment of the invention;
fig. 2 is a schematic distribution diagram of an information collecting module in a fault diagnosis system of a low-voltage switch cabinet according to an embodiment of the present invention;
fig. 3 is a specific structural block diagram of a fault diagnosis system of a low-voltage switch cabinet provided by an embodiment of the invention;
FIG. 4 is a main flow chart of a method for operating a fault diagnosis system of a low-voltage switch cabinet according to an embodiment of the present invention;
fig. 5 is a flowchart of specific steps of an operation method of a fault diagnosis system of a low-voltage switch cabinet according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The main execution body of the method in this embodiment is a terminal, and the terminal may be a device such as a mobile phone, a tablet computer, a PDA, a notebook or a desktop, but of course, may be another device with a similar function, and this embodiment is not limited thereto.
Example 1
Referring to fig. 1 to 3, the invention provides a fault diagnosis system of a low-voltage switch cabinet, which is applied to fault automatic diagnosis, alarm and fault processing of the low-voltage switch cabinet, and comprises an information acquisition module 1, an information processing module 2, an information transmission module 3 and a man-machine interaction module 4, wherein the information acquisition module 1, the information processing module 2 and the information transmission module 3 are all arranged in the low-voltage switch cabinet, the man-machine interaction module 4 is in remote communication with the low-voltage switch cabinet, and the low-voltage switch cabinet comprises a relay instrument area, a bus area, a cable area and a breaker area, wherein the number of the information acquisition module 1 is four, and the four information acquisition modules are respectively arranged in the relay instrument area, the bus area, the cable area and the breaker area in the low-voltage switch cabinet;
the information acquisition module 1 is used for acquiring data information of each partition in the low-voltage switch cabinet;
the information processing module 2 is used for receiving the data information acquired by the information acquisition module 1, processing the data information, uploading abnormal data information and alarming;
the man-machine interaction module 4 is used for processing the abnormal data information of the alarm uploaded by the information processing module 2 and remotely processing the abnormal data information;
the information transmission module 3 is used for supporting data transmission among the information acquisition module 1, the information processing module 2 and the man-machine interaction module 4.
Further, the information acquisition module 1 comprises a temperature and humidity acquisition unit 11, an instrument data acquisition unit 12, a current acquisition unit 13 and a voltage acquisition unit 14;
the temperature and humidity acquisition unit 11 is used for acquiring temperature and humidity changes in a relay instrument area, a bus area, a cable area and a breaker area in the low-voltage switch cabinet;
the instrument data acquisition unit 12 is used for acquiring instrument data of a relay instrument area in the low-voltage switch cabinet;
the current acquisition unit 13 is used for acquiring current data of wires in a cable area and a breaker area in the low-voltage switch cabinet;
the voltage acquisition unit 14 is used for acquiring voltage data of a low-voltage bus in a bus area in the low-voltage switch cabinet.
Wherein, temperature and humidity acquisition unit 11 includes temperature sensor and humidity sensor, instrument data acquisition unit 12 includes the data converter, current acquisition unit 13 includes the current transformer, voltage acquisition unit 14 includes the voltage transformer.
Further, the information processing module 2 includes a data storage unit 21, a data processing unit 22, and a data alarm unit 23;
the data storage unit 21 is used for storing the received data information of the low-voltage switch cabinet;
the data processing unit 22 is used for performing data processing on the received data information of the low-voltage switch cabinet;
the data alarm unit 23 is used for uploading abnormal data information and alarming.
The data storage unit 21 includes a memory, where the memory is one of a read-only memory, a mechanical hard disk, a solid state hard disk, or a U-disk, and the data processing unit 22 includes a processor, where the processor is one of a microprocessor computer readable medium, a logic gate, an application specific integrated circuit, a programmable logic controller, and an embedded microcontroller.
Further, the data processing unit 22 is configured to perform data processing on the received data information of the low-voltage switch cabinet, and specifically includes:
the data processing unit 22 receives the data information uploaded by the information acquisition module 1, detects the data information and analyzes whether the data information is abnormal;
if the data information is abnormal, continuously analyzing whether the fluctuation of the data information exceeds an early warning threshold value, if the fluctuation of the data information does not exceed the early warning threshold value, continuously receiving the data information, and monitoring the next data information;
and continuously analyzing whether the fluctuation of the data information exceeds an early warning threshold, if the fluctuation of the data information exceeds the early warning threshold, uploading and alarming abnormal data information through the data alarming unit 23, and if the fluctuation of the data information does not exceed the early warning threshold, automatically selecting according to a data abnormal preset processing scheme, and transmitting a selection result to a low-voltage switch cabinet for scheme execution.
Further, the information transmission module 3 includes a first signal transceiver unit 31, a second signal transceiver unit 32, and a third signal transceiver unit 33, which are respectively disposed in the information acquisition module 1, the information processing module 2, and the man-machine interaction module 4, and are all used for data intercommunication between the modules.
Further, the man-machine interaction module 4 includes an information display unit 41, an operation control unit 42, and an information warning unit 43;
the information display unit 41 is configured to display the data information uploaded by the information processing module 2;
the operation control unit 42 is configured to perform remote interaction with the data processing module, and may perform remote processing on the abnormal data;
the information warning unit 43 is configured to receive the alarm information uploaded by the data alarm unit 23, and make a warning alert in real time.
The information display unit 41 includes a display or a remote terminal, the remote terminal is one of a mobile phone, a tablet computer, a PDA, a notebook computer or a desktop computer, the operation control unit 42 is a controller, the controller is a control panel or a control module based on the remote terminal, and the information warning unit 43 is an audible and visual alarm.
In this embodiment, the memory may be implemented in any suitable manner, for example: the memory can be read-only memory, mechanical hard disk, solid state disk, USB flash disk or the like; the memory is used for storing executable instructions executed by at least one of the processors;
in this embodiment, the processor may be implemented in any suitable manner, e.g., the processor may take the form of, for example, a microprocessor or processor and a computer-readable medium storing computer-readable program code (e.g., software or firmware) executable by the (micro) processor, logic gates, switches, an application specific integrated circuit, a programmable logic controller, an embedded microcontroller, and the like; the processor is configured to execute the executable instructions to support a fault diagnosis system operating method such as a low voltage switchgear.
In this embodiment, the structure of the low-voltage switch cabinet is generally composed of four areas of a relay instrument area, a cable area, a breaker area and a bus area, and different components of the low-voltage switch cabinet have very obvious differences, so that different data acquisition modules are required to be adopted for the low-voltage switch cabinet to acquire various data.
Example 2
For better understanding the above embodiments, as shown in fig. 4, the present invention further provides a main flowchart of a fault diagnosis system operation method of a low-voltage switch cabinet, where the method at least includes:
step S501, the information acquisition module 1 acquires data information of each partition in the low-voltage switch cabinet and transmits the data information to the information processing module in real time;
step S502, the information processing module 2 processes the data information of the low-voltage switch cabinet after receiving the data information, checks whether the data information is abnormal, and uploads abnormal data alarm information to the man-machine interaction module;
in step S503, the man-machine interaction module 4 receives the alarm information and then remotely processes the abnormal data.
Example 3
For better understanding the above embodiments, as shown in fig. 5, the present invention further provides a specific step flowchart of a fault diagnosis system operation method of a low-voltage switch cabinet, where the method at least includes:
step S601, the information acquisition module 1 acquires data information of each partition in the low-voltage switch cabinet and transmits the data information to the information processing module 2 in real time;
specifically, the information acquisition module 1 is provided with four, is respectively arranged in a relay instrument area, a bus area, a cable area and a breaker area in the low-voltage switch cabinet, carries out temperature and humidity monitoring on the four subareas through a temperature sensor and a humidity sensor, then monitors voltage data of a low-voltage bus in the bus area through a voltage transformer, and monitors current data of the cable area and the breaker area through a current transformer.
Step S602, the information processing module 2 receives monitoring data in a centralized manner, wherein the monitoring data comprises temperature and humidity data of four subareas, voltage data of a low-voltage bus and current data of a cable area and a breaker area, whether the data are abnormal or not is analyzed, if yes, whether the fluctuation of data information exceeds an early warning threshold value is continuously analyzed, if no, the monitoring data are returned to the step S602, the data information is continuously received, and the next data information is monitored;
then, continuously analyzing whether the fluctuation of the data information exceeds the early warning threshold, if so, continuously executing the step S603, and if not, jumping to execute the step S605;
the threshold value can be preset through interaction of the man-machine interaction module 4 to the information processing module 2 in advance, and the corresponding fault automatic processing scheme is archived in advance, for example: when the temperature of the cable area exceeds 35 ℃, a preset cooling fan in the low-voltage switch cabinet is automatically started through the information processing module 2.
Step S603, uploading the data information exceeding the threshold value to the man-machine interaction module 4 and sending alarm information;
step S604, the man-machine interaction module receives alarm information, then carries out remote processing on abnormal data, feeds back a processing result to the information processing module, executes the processing result by the information processing module, processes the fault of the low-voltage switch cabinet, and then ends;
step S605, the information processing module automatically selects according to the data abnormality preset processing scheme, and sends the selection result to the low-voltage switch cabinet for scheme execution, and then ends.
Those of ordinary skill in the art will appreciate that the modules and method steps of the examples described in connection with the embodiments disclosed herein can be implemented as electronic hardware, or as a combination of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It will be clearly understood by those skilled in the art that, for convenience and brevity of description, specific working procedures of the apparatus, device and module described above may refer to corresponding procedures in the method embodiments, and are not described herein again.
In the several embodiments provided in this application, it should be understood that the disclosed systems and methods may be implemented in other ways. For example, the system embodiments described above are merely illustrative, e.g., the division of the modules is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple modules or units may be combined or integrated into another device, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via interfaces, modules or units, which may be in electrical, mechanical or other forms.
The modules described as separate components may or may not be physically separate, and components shown as modules may or may not be physical units, may be located in one place, or may be distributed over multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional module in each embodiment of the present invention may be integrated into one processing module, or each module may exist alone physically, or two or more modules may be integrated into one module.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a read-only memory server, a random access memory server, a magnetic disk or an optical disk, or other various media capable of storing program instructions.
In addition, it should be noted that the combination of the technical features described in the present invention is not limited to the combination described in the claims or the combination described in the specific embodiments, and all the technical features described in the present invention may be freely combined or combined in any manner unless contradiction occurs between them.
It should be noted that the above-mentioned embodiments are merely examples of the present invention, and it is obvious that the present invention is not limited to the above-mentioned embodiments, and many similar variations are possible. All modifications attainable or obvious from the present disclosure set forth herein should be deemed to be within the scope of the present disclosure.
The foregoing is merely illustrative of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The fault diagnosis system of the low-voltage switch cabinet is characterized by comprising an information acquisition module (1), an information processing module (2), an information transmission module (3) and a man-machine interaction module (4), wherein the information acquisition module (1), the information processing module (2) and the information transmission module (3) are arranged in the low-voltage switch cabinet, the man-machine interaction module (4) is in remote communication with the low-voltage switch cabinet, the low-voltage switch cabinet comprises a relay instrument area, a bus area, a cable area and a breaker area, and the four information acquisition modules (1) are respectively arranged in the relay instrument area, the bus area, the cable area and the breaker area in the low-voltage switch cabinet;
the information acquisition module (1) is used for acquiring data information of each partition in the low-voltage switch cabinet;
the information processing module (2) is used for receiving the data information acquired by the information acquisition module (1), processing the data information, uploading abnormal data information and alarming;
the man-machine interaction module (4) is used for processing the abnormal data information of the uploading alarm of the information processing module (2) and remotely processing the abnormal data information;
the information transmission module (3) is used for supporting data transmission among the information acquisition module (1), the information processing module (2) and the man-machine interaction module (4).
2. The fault diagnosis system of a low-voltage switch cabinet according to claim 1, wherein the information acquisition module (1) comprises a temperature and humidity acquisition unit (11), an instrument data acquisition unit (12), a current acquisition unit (13) and a voltage acquisition unit (14);
the temperature and humidity acquisition unit (11) is used for acquiring temperature and humidity changes in a relay instrument area, a bus area, a cable area and a breaker area in the low-voltage switch cabinet;
the instrument data acquisition unit (12) is used for acquiring instrument data of a relay instrument area in the low-voltage switch cabinet;
the current acquisition unit (13) is used for acquiring current data of a cable zone in the low-voltage switch cabinet and a wire in the breaker zone;
the voltage acquisition unit (14) is used for acquiring voltage data of a low-voltage bus in a bus area in the low-voltage switch cabinet.
3. The fault diagnosis system of a low-voltage switchgear according to claim 2, characterized in that the temperature and humidity acquisition unit (11) comprises a temperature sensor and a humidity sensor, the meter data acquisition unit (12) comprises a data converter, the current acquisition unit (13) comprises a current transformer, and the voltage acquisition unit (14) comprises a voltage transformer.
4. The fault diagnosis system of a low-voltage switchgear according to claim 1, characterized in that the information processing module (2) comprises a data storage unit (21), a data processing unit (22) and a data alerting unit (23);
the data storage unit (21) is used for storing the received data information of the low-voltage switch cabinet;
the data processing unit (22) is used for performing data processing on the received data information of the low-voltage switch cabinet;
the data alarm unit (23) is used for uploading abnormal data information and alarming.
5. The fault diagnosis system of a low-voltage switchgear according to claim 4, characterized in that the data storage unit (21) comprises a memory, the memory being one of a read-only memory, a mechanical hard disk, a solid state hard disk or a U-disk, the data processing unit (22) comprising a processor, the processor being one of a microprocessor computer readable medium, a logic gate, an application specific integrated circuit, a programmable logic controller and an embedded microcontroller.
6. The fault diagnosis system of a low-voltage switchgear according to claim 4, characterized in that the data processing unit (22) is configured to perform data processing on the received data information of the low-voltage switchgear, and in particular comprises:
the data processing unit (22) receives the data information uploaded by the information acquisition module (1), detects the data information and analyzes whether the data information is abnormal or not;
if the data information is abnormal, continuously analyzing whether the fluctuation of the data information exceeds an early warning threshold value, if the fluctuation of the data information does not exceed the early warning threshold value, continuously receiving the data information, and monitoring the next data information;
and continuously analyzing whether the fluctuation of the data information exceeds an early warning threshold value, if the fluctuation of the data information exceeds the early warning threshold value, uploading and alarming abnormal data information through the data alarming unit (23), and if the fluctuation of the data information does not exceed the early warning threshold value, automatically selecting according to a data abnormal preset processing scheme, and transmitting a selection result to a low-voltage switch cabinet for scheme execution.
7. The fault diagnosis system of a low-voltage switch cabinet according to claim 1, wherein the information transmission module (3) comprises a first signal transceiving unit (31), a second signal transceiving unit (32) and a third signal transceiving unit (33), which are respectively arranged in the information acquisition module (1), the information processing module (2) and the man-machine interaction module (4) and are all used for data intercommunication between the modules.
8. The fault diagnosis system of a low-voltage switchgear according to claim 4, characterized in that the man-machine interaction module (4) comprises an information display unit (41), an operation control unit (42) and an information warning unit (43);
the information display unit (41) is used for displaying the data information uploaded by the information processing module (2);
the operation control unit (42) is used for performing remote interaction with the data processing module and can perform remote processing on abnormal data;
the information warning unit (43) is used for receiving the warning information uploaded by the data warning unit (23) and making warning reminding in real time.
9. The fault diagnosis system of a low-voltage switchgear according to claim 8, characterized in that the information display unit (41) comprises a display or a remote terminal, the remote terminal being one of a mobile phone, a tablet computer, a palm-top PDA, a notebook or a desktop computer, the operation control unit (42) being a controller, the controller being a control panel or a control module based on the remote terminal itself, the information warning unit (43) being an audible and visual alarm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310192291.8A CN116148581A (en) | 2023-03-02 | 2023-03-02 | Fault diagnosis system of low-voltage switch cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310192291.8A CN116148581A (en) | 2023-03-02 | 2023-03-02 | Fault diagnosis system of low-voltage switch cabinet |
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| CN116148581A true CN116148581A (en) | 2023-05-23 |
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| CN202310192291.8A Pending CN116148581A (en) | 2023-03-02 | 2023-03-02 | Fault diagnosis system of low-voltage switch cabinet |
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- 2023-03-02 CN CN202310192291.8A patent/CN116148581A/en active Pending
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