CN113933622B - PDU and method for intelligent fault location - Google Patents
PDU and method for intelligent fault location Download PDFInfo
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- CN113933622B CN113933622B CN202111130872.6A CN202111130872A CN113933622B CN 113933622 B CN113933622 B CN 113933622B CN 202111130872 A CN202111130872 A CN 202111130872A CN 113933622 B CN113933622 B CN 113933622B
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- 238000005286 illumination Methods 0.000 claims abstract description 48
- 238000012544 monitoring process Methods 0.000 claims abstract description 26
- 238000012423 maintenance Methods 0.000 claims abstract description 25
- 238000004891 communication Methods 0.000 claims description 19
- 230000000241 respiratory effect Effects 0.000 claims description 8
- 239000013078 crystal Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 3
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- 238000010586 diagram Methods 0.000 description 11
- 230000006870 function Effects 0.000 description 2
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- 238000006243 chemical reaction Methods 0.000 description 1
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Classifications
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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
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
A single cabinet unit of a combined cabinet is provided with a power distribution unit, the power distribution unit is provided with an MCU operation host, a data monitoring executing mechanism and an output load interface, the data monitoring executing mechanism is electrically connected with current or voltage sensors of all structures in the output load interface, and the MCU operation host, the data monitoring executing mechanism and a sensor module are arranged in the power distribution unit. The MCU controller is linked with the human body infrared sensor, the electronic lock, the alarm positioning laser module, the load state indicator lamp and the illumination illuminant through sound and light, when a maintainer arrives at a fault cabinet, the illumination lamp is on, and the specific structure of the fault is displayed through the load state indicator lamp, so that the maintainer does not need to find an interface capable of specifically positioning the fault, the maintenance efficiency is greatly improved, the condition is created for a dark machine room, and the energy is saved to the greatest extent.
Description
Technical Field
The invention relates to the technical field of network communication safety, in particular to an intelligent fault positioning PDU and a method.
Background
The PDU (Power Distribution Unit), which is a power distribution socket for cabinets, is an industrial product designed for providing power distribution for cabinet-type installed electrical equipment, has various series specifications of different functions, installation modes and different plug-in combinations, and can provide a proper rack-mounted power distribution solution for different power supply environments. The PDU application can make the power distribution in the cabinet more orderly, reliable, safe, professional and beautiful, and make the maintenance of the power in the cabinet more convenient and reliable.
In the aspect of intellectualization, the existing PDU product measures basic voltage and current data of a loop by using a voltage PT element and a current CT element, various power parameters are obtained after calculation, and the product can be remotely monitored and controlled in a local area network by matching with a communication module. In a large-scale machine room deployment, customers can manage tens or even hundreds of intelligent PDU products at the remote end at the same time. When the product monitors the alarm information, although the remote alarm information and the local buzzer send out sound alarms, the sounds are often submerged in the background sound with high decibels of the machine room (the background noise is mainly the running noise of the server and the wind sound of the air conditioning system). In the ultra-large-scale machine room deployment environment, thousands of PDU products (for example, 8 layers of a whole building are data machine rooms with different functions) can be managed at the same time, when the on-site processing is required after the alarm occurs, operation and maintenance personnel do not even know which floor and room to go, let alone accurately position the machine cabinet with the problem to process the problem in time, and in the large-scale or ultra-large-scale machine room deployment, when a plurality of alarm information occur on the same floor or the same room, the problem can only be checked one by one, and the problem can not be effectively and accurately positioned to the machine cabinet with the problem.
In the prior art, there is also a technology for monitoring PDU faults, for example, chinese patent document CN 202652240U describes a cabinet with a PDU monitoring alarm unit, which can monitor the state parameters of the breaker switch of the power load circuit, transmit the monitored data through a network, and display the fault location code on a display screen, but in the case of arranging a large-sized machine room side by side, it is not convenient for a maintainer to quickly reach the fault cabinet.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the PDU and the method for intelligent fault location, which can monitor and display the load state in the PDU, automatically provide the location mark when the maintenance personnel enter the machine room, and furthest save electric energy in the whole process.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides an intelligent fault location's PDU, including access control system and combination rack, be equipped with the power distribution unit on the individual rack of combination rack, be equipped with MCU operation host computer on the power distribution unit, data monitoring actuating mechanism and output load interface, the electric connection of the current or the voltage sensor of each structure in data monitoring actuating mechanism and the output load interface, current or voltage state transmission that detects in the output load interface is to MCU operation host computer, be equipped with MCU controller and warning location laser module on the MCU operation host computer, access control system's electronic lock status signal switch inserts the input of MCU controller, when the rack that power distribution unit broke down detects the electronic lock and opens, this power distribution unit control warning location laser module sends trouble laser suggestion rack position, make things convenient for maintainer to fix a position fast.
The power distribution unit is further provided with a sensor module and an illumination illuminant, the illumination illuminant is electrically connected with the output end of the MCU controller, the sensor module is in communication connection with the MCU controller, and the sensor module is provided with a human body infrared sensor for detecting whether a human body is close to a current cabinet or not so as to open the illumination illuminant to provide illumination after an access control is performed by an maintainer.
The output load interface comprises a plurality of load interfaces which are connected in parallel, load state indicator lamps are arranged on the periphery of the load interfaces and correspond to each other one by one, and the load state indicator lamps are electrically connected with the output end of the MCU controller.
The alarm positioning laser module is connected with a normally open contact of the laser on-off relay, and a coil of the laser on-off relay is electrically connected with the output end of the MCU controller.
The power distribution unit comprises a long-strip-shaped fixed groove body, wherein two ends of the fixed groove body are connected with mounting plates, the mounting plates are fixedly connected with the cabinet, an input junction box, an MCU operation host, a sensor module, a data monitoring executing mechanism and an output load interface are sequentially arranged in the fixed groove body, the modules are isolated and fixed through process separation plates, and the data monitoring executing mechanism and the output load interface can be sequentially arranged in a combined mode.
The illuminating luminous body is strip-shaped and is embedded in the side wall of the fixed groove body.
The power distribution unit is arranged on the outer side of the cabinet, the laser emergent direction of the alarm positioning laser module faces the outer side of the cabinet, and the light irradiation direction of the illumination luminous body is the vertical direction.
The MCU operation host is provided with a reset key, an alarm buzzer and a communication interface, wherein the reset key is electrically connected with the input end of the MCU controller and used for resetting faults, the alarm buzzer is electrically connected with the output end of the MCU controller, and the communication interface is used for communicating with the centralized control system.
The input end of the MCU controller is provided with a crystal oscillator for providing reference frequency for reference timing and reference.
The fault locating method for the PDU with intelligent fault locating comprises the following specific steps:
step one, initializing the MCU controller, wherein the step one comprises the steps of setting a first time without faults, a second time without faults, a respiratory flicker frequency and a fault flicker frequency;
step two, combining all power distribution units in the cabinet to provide power for loads in the cabinet, detecting current and voltage of a load interface in the cabinet by a data monitoring executing mechanism, transmitting detection results to an MCU controller, comparing the detection results with parameters of the load interface built-in by the MCU controller, judging whether faults occur or not, when faults do not occur, initially controlling a load state indicator lamp and an illumination illuminant which are connected with the loads to be always on, when the MCU controller detects that no people enter the load state indicator lamp and the illumination illuminant are not sensed by the human body infrared sensor and the electronic lock in the first time exceeding the faults, flashing the load state indicator lamp and the illumination illuminant at a breathing flashing frequency, and when no people enter the load state indicator lamp and the illumination illuminant are extinguished by the human body infrared sensor and the electronic lock in the second time exceeding the faults;
step three, when the MCU controller reaches a fault exceeding a standard of a parameter at a certain load interface, the fault parameter and the identification parameters of the cabinet body and the fault load interface are sent to a remote centralized control system through a communication interface, so that maintenance personnel can conveniently review and know the fault, a load state indicator lamp at the fault load interface is controlled to flash at a fault flashing frequency, a warning buzzer starts to buzzing, and the step four is carried out for waiting for the maintenance personnel to process;
step four, when maintenance personnel enter a machine room through an access control system, an electronic lock is opened and sends signals to MCU controllers of all cabinets, after the MCU controller of the failed cabinet detects the signals, a laser on-off relay coil is controlled to be electrified, and an alarm positioning laser module is controlled to send laser to the outside of the cabinet to remind the position of the failed cabinet;
step five, when the human body infrared sensor of the cabinet detects that a human body approaches, the illumination illuminant is controlled to be connected to provide illumination for the cabinet, a load state indicator lamp on an output load interface displays the current interface state, the load state indicator lamp of the loaded normal interface is always on, and the load state indicator lamp of the loaded interface keeps flashing at the fault flashing frequency;
and step six, after the maintenance personnel eliminate faults, the load state indicator lamp is restored to a normally-on state, the alarm buzzer stops buzzing, the maintenance personnel leave, when the MCU controller detects that the human body infrared sensor and the electronic lock do not sense that someone enters beyond the first time without faults, the load state indicator lamp and the illumination luminous body flash at the respiratory flash frequency, when the human body infrared sensor and the electronic lock do not sense that someone enters beyond the second time without faults, the load state indicator lamp and the illumination luminous body are extinguished, and when the maintenance personnel do not eliminate faults, the fault can be reset through the reset key.
The PDU and the method for intelligent fault location provided by the invention are characterized in that an MCU operation host, a data monitoring executing mechanism and a sensor module are arranged in a power distribution unit, the data monitoring executing mechanism is connected with a sensor in an output load interface to monitor whether the load interface generates faults or not, and alarms are carried out through sound and light, the MCU controller is linked with a human body infrared sensor, an electronic lock, an alarm positioning laser module, a load state indicator lamp and an illumination illuminant, so that when a maintainer does not arrive at a site, only buzzing and the load state indicator lamp of the fault interface indicate, when the maintainer enters a machine room, positioning guidance is carried out through emitting laser, when the maintainer arrives at a fault cabinet, the illumination lamp is on, the specific structure of the fault is displayed through the load state indicator lamp, the fault interface can be specifically positioned without being searched by the maintainer, the overhaul efficiency is greatly improved, meanwhile, the condition is created for a 'dark machine room', and the energy is saved to the maximum extent.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a soil combination cabinet according to the present invention;
FIG. 3 is a schematic diagram of the structure of the access control system of the present invention;
FIG. 4 is a schematic diagram of a power distribution unit according to the present invention;
FIG. 5 is a schematic diagram of the MCU operation host;
FIG. 6 is a schematic diagram of the output load interface;
FIG. 7 is a schematic diagram of a preferred alert positioning laser module configuration;
FIG. 8 is a schematic diagram of a preferred modular cabinet arrangement for laser alert positioning;
FIG. 9 is an electrical schematic diagram of the MCU host computer of the present invention;
FIG. 10 is an electrical schematic of a power module;
FIG. 11 is an electrical schematic diagram of a communication interface;
FIG. 12 is a schematic diagram of system logic according to the present invention.
Wherein: the system comprises an access control system 1, an access control 102, an electronic lock 102, a combined cabinet 2, a power distribution unit 3, a fixed groove body 31, an MCU operation host 32, an MCU controller 321, an alarm positioning laser module 322, a reset key 323, an alarm buzzer 324, a communication interface 325, a sensor module 33, an environment temperature sensor 331, a human body infrared sensor 332, a data monitoring executing mechanism 34, an output load interface 35, a load interface 351, a load state indicator 352, an illumination luminous body 36, a mounting plate 37, an input junction box 38, a process partition 39, a fault emitting laser 4, a laser on-off relay 5 and a crystal oscillator 6.
Detailed Description
The technical scheme of the invention is described in detail below with reference to the accompanying drawings and examples.
As shown in fig. 1-6, an intelligent fault location PDU comprises an access control system 1 and a combined cabinet 2, wherein a power distribution unit 3 is arranged on a single cabinet unit of the combined cabinet 2, an MCU operation host 32, a data monitoring executing mechanism 34 and an output load interface 35 are arranged on the power distribution unit 3, current or voltage sensors of structures inside the data monitoring executing mechanism 34 and the output load interface 35 are electrically connected, the data monitoring executing mechanism 34 transmits current or voltage states detected in the output load interface 35 to the MCU operation host 32, an MCU controller 321 and an alarm location laser module 322 are arranged on the MCU operation host 32, an electronic lock 102 state signal switch of the access control system 1 is connected to an input end of the MCU controller 321, and when the cabinet where the power distribution unit 3 breaks down detects that the electronic lock 102 is opened, the power distribution unit 3 controls the alarm location laser module 322 to send out a fault prompt cabinet position, so that maintenance personnel can conveniently and rapidly locate.
When the electronic lock 102 senses that a person enters the machine room, the alarm positioning laser module 322 emits laser, and the light beam position can be quickly found on the side and the front by utilizing the characteristics of directional light emission and extremely high brightness of the laser so as to position the fault cabinet.
As shown in fig. 7 and 8, the alarm positioning laser module 322 is preferably a combination of two-directional lasers, and is positioned by the two-directional lasers, so that the alarm positioning laser module is suitable for a case where a plurality of rows of cabinets are arranged, and in this case, the vertical and horizontal positions of the power distribution units 3 of each row and each column are distinguished so as not to block the laser beams.
The above-mentioned power distribution unit 3 is still equipped with sensor module 33 and illumination illuminant 36, illumination illuminant 36 is connected with MCU controller 321 output electricity, sensor module 33 is connected with MCU controller 321 communication, be equipped with human infrared sensor 332 on the sensor module 33, be used for when the maintainer gets into the back through the entrance guard, detect whether the human body is close current rack in order to open illumination illuminant 36 and provide illumination, whether it is close the rack to come the perception through human infrared sensor 332, thereby control illumination illuminant 36 open the illumination cabinet body be convenient for seek the trouble, the illumination is extinguished and is reduced the power consumption simultaneously when unmanned.
As shown in fig. 6, the output load interface 35 includes a plurality of load interfaces 351 connected in parallel, load status indicator lamps 352 are disposed on the periphery of the load interfaces 351 and are in one-to-one correspondence, the load status indicator lamps 352 are electrically connected with the output end of the MCU controller 321, the working status of the interface is represented by the load status indicator lamps 352 disposed on the outer side of the load interfaces 351 and the actual status thereof, in this embodiment, in the case that a person is in front of the cabinet body, the load status indicator lamps 352 represent normal operation, high-frequency flicker represents that a fault occurs, and the flicker frequency of the fault is 2Hz.
As shown in fig. 9, the alarm positioning laser module 322 is connected with a normally open contact of the laser on-off relay 5, a coil of the laser on-off relay 5 is electrically connected with an output end of the MCU controller 321, the laser on-off is controlled by the laser on-off relay 5, the power of the MCU controller 321 is not consumed by the laser emission, and the power of the alarm positioning laser module 322 is provided independently, so that the alarm positioning laser module can adapt to various laser power levels.
As shown in fig. 4, the above-mentioned power distribution unit 3 includes a long-strip-shaped fixed slot 31, two ends of the fixed slot 31 are connected with mounting plates 37, the mounting plates 37 are fixedly connected with a cabinet, an input junction box 38, an MCU operation host 32, a sensor module 33, a data monitoring executing mechanism 34 and an output load interface 35 are sequentially arranged in the fixed slot 31, the modules are isolated and fixed by a process partition 39, the data monitoring executing mechanism 34 and the output load interface 35 can be sequentially arranged in a plurality of combinations, and the modules are embedded in the fixed slot 31, so that the emitting direction of an alarm positioning laser module 322 on the MCU operation host 32 is outwards convenient for positioning, and meanwhile, the modules are conveniently increased, decreased and arranged in a scarf mode.
As shown in fig. 4, the above-mentioned illuminating light-emitting body 36 is a strip-shaped structure, and is embedded in the side wall of the fixed slot body 31, and when the emitting direction of the alarm positioning laser module 322 is out of the cabinet, the illuminating direction of the illuminating light-emitting body 36 on the side wall of the fixed slot body 31 is in the vertical direction, so as to facilitate illumination.
As shown in fig. 4, the above-mentioned power distribution unit 3 is installed outside the cabinet, and the laser emitting direction of the alarm positioning laser module 322 faces to the outside of the cabinet, and the light irradiation direction of the illumination illuminant 36 is the vertical direction.
As shown in fig. 5, the above-mentioned MCU operation host 32 is provided with a reset button 323, an alarm buzzer 324 and a communication interface 325, where the reset button 323 is electrically connected with the input end of the MCU controller 321, and is used for resetting a fault, the alarm buzzer 324 is electrically connected with the output end of the MCU controller 321, and the communication interface 325 is used for communicating with a centralized control system.
As shown in fig. 9, the input end of the MCU controller 321 is provided with a crystal oscillator 6 to provide a reference frequency for reference timing reference, and the reference frequency of the crystal oscillator 6 is used to reference the time parameter set in the MCU controller 321.
As shown in fig. 10, the power conversion module for providing power to the MCU operation host 32, the sensor module 33 and the data monitoring executing mechanism 34 can provide various power levels, and meet the requirements of different power levels of chips, lasers and illumination lamps.
As shown in fig. 11, which is a schematic circuit diagram of the communication interface 325, the RS485 communication is adopted, so that the communication cost can be reduced and the reliability can be improved.
As shown in fig. 12, the fault locating method using the PDU with intelligent fault location specifically includes the following steps:
step one, initializing the MCU controller 321, including setting a first time without faults, a second time without faults, a respiratory flicker frequency and a fault flicker frequency;
step two, combining all power distribution units 3 in the cabinet 2 to provide power for loads in the cabinet, detecting the current and the voltage of a load interface 351 in the unit by a data monitoring executing mechanism 34, transmitting the detection results to an MCU controller 321, comparing the detection results with the parameters of the load interface built-in by the MCU controller 321 and judging whether faults occur, when no faults occur, initially controlling a load state indicator 352 and an illumination illuminant 36 which are connected with the load to be always on, when the MCU controller 321 detects that no people enter beyond the first time of no faults, the load state indicator 352 and the illumination illuminant 36 flash at a respiratory flash frequency, and when no people enter beyond the second time of no faults, the load state indicator 352 and the illumination illuminant 36 are off;
step three, when the MCU controller 321 reaches a fault with a parameter exceeding a standard at a certain load interface, the fault parameter and the identification parameters of the cabinet body and the fault load interface are sent to a remote centralized control system through the communication interface 325, so that maintenance personnel can conveniently review and know the fault, the alarm buzzer 324 begins to buzzing by controlling the load state indicator 352 at the fault load interface to flash at the fault flash frequency, and the step four is entered to wait for the maintenance personnel to process the fault;
step four, when maintenance personnel enter a machine room through the access control system 1, the electronic lock 102 is opened and sends signals to the MCU controllers 321 of all the cabinets, the MCU controllers 321 of the failed cabinet control the coils of the laser on-off relay 5 to be powered on after detecting the signals, and the alarm positioning laser module 322 is controlled to send laser to the outside of the cabinet to remind the position of the failed cabinet;
step five, when the human body infrared sensor 332 of the cabinet detects that a human body approaches, the illumination illuminant 36 is controlled to be connected to provide illumination for the cabinet, the load state indicator 352 on the output load interface 35 displays the current interface state, the load state indicator 352 of the loaded and normal interface is always on, and the load state indicator 352 of the loaded but faulty interface keeps flashing at the fault flashing frequency;
step six, after the maintenance personnel eliminates the fault, the load state indicator 352 resumes the normal on state, the alarm buzzer 324 stops buzzing, the maintenance personnel leaves, when the MCU controller 321 detects that no person is sensed to enter beyond the first time when no fault is detected by the human body infrared sensor 332 and the electronic lock 102, the load state indicator 352 and the illumination illuminant 36 flash at the respiratory flash frequency, when no person is sensed to enter beyond the second time when no fault is detected by the human body infrared sensor 332 and the electronic lock 102, the load state indicator 352 and the illumination illuminant 36 are extinguished, and when the maintenance personnel does not eliminate the fault, the fault can be reset through the reset key 323.
Through the steps, the construction requirement of a dark machine room can be met, the maintenance requirement can be met, the illumination energy consumption of the machine room can be greatly reduced, and meanwhile, a maintainer can rapidly guide a fault cabinet when entering the machine room.
Claims (9)
1. The fault positioning method of the intelligent fault positioning power supply distribution unit is characterized by comprising an access control system (1) and a combined cabinet (2), wherein a single cabinet unit of the combined cabinet (2) is provided with a power supply distribution unit (3), the power supply distribution unit (3) is provided with an MCU operation host (32), a data monitoring executing mechanism (34) and an output load interface (35), the data monitoring executing mechanism (34) is electrically connected with current or voltage sensors of all structures in the output load interface (35), the data monitoring executing mechanism (34) transmits current or voltage states detected in the output load interface (35) to the MCU operation host (32), the MCU operation host (32) is provided with an MCU controller (321) and an alarm positioning laser module (322), a state signal switch of an electronic lock (102) of the access control system (1) is connected with an input end of the MCU controller (321), and when the power supply distribution unit (3) fails and the electronic lock (102) is detected to be opened, the power supply distribution unit (3) controls the alarm positioning laser module (322) to send out fault prompting laser to prompt the position of the cabinet, so that maintenance personnel can position the cabinet quickly;
the specific steps of fault location are as follows:
step one, initializing and setting an MCU (micro controller unit) (321), wherein the initialization and setting comprises setting a first time without faults, a second time without faults, a respiratory flicker frequency and a fault flicker frequency;
step two, all power distribution units (3) in the combined cabinet (2) provide power for loads in the cabinet, a data monitoring executing mechanism (34) detects current and voltage of a load interface (351) in the unit and transmits detection results to an MCU (MCU) controller (321), the MCU controller (321) compares parameters of the built-in load interface and judges whether faults occur or not, when faults do not occur, a load state indicator lamp (352) and an illumination illuminant (36) which are connected with the loads are controlled to be always on initially, when the MCU controller (321) detects that no people enter beyond a first time when the faults occur, a load state indicator lamp (352) and the illumination illuminant (36) flash at a respiratory flash frequency, and when no people enter beyond a second time when the faults occur, the load state indicator lamp (352) and the illumination illuminant (36) are extinguished;
step three, when the MCU controller (321) reaches a fault with a parameter exceeding a standard at a certain load interface, the fault parameter and the identification parameters of the cabinet body and the fault load interface are sent to a remote centralized control system through the communication interface (325), so that maintenance personnel can conveniently review and know the fault, a load state indicator lamp (352) at the fault load interface is controlled to flash at a fault flashing frequency, a warning buzzer (324) starts to buzzing, and the step four is started to wait for the maintenance personnel to process;
step four, when maintenance personnel enter a machine room through an access control system (1), an electronic lock (102) is opened and sends signals to MCU controllers (321) of all cabinets, after the MCU controllers (321) of the failed cabinets detect the signals, coils of a laser on-off relay (5) are controlled to be powered on, and an alarm positioning laser module (322) is controlled to emit laser to the outside of the cabinet to remind the position of the failed cabinet;
step five, when the human body infrared sensor (332) of the cabinet detects that a human body approaches, the illumination illuminant (36) is controlled to be connected to provide illumination for the cabinet, a load state indicator lamp (352) on an output load interface (35) displays the current interface state, the load state indicator lamp (352) of the loaded normal interface is always on, and the load state indicator lamp (352) of the loaded normal interface keeps flashing at the fault flashing frequency;
and step six, after the maintenance personnel eliminate the faults, the load state indicator lamp (352) is restored to a normally-on state, the alarm buzzer (324) stops buzzing, the maintenance personnel leave, when the MCU controller (321) detects that no person is sensed to enter beyond the first time when no fault is detected by the human body infrared sensor (332) and the electronic lock (102), the load state indicator lamp (352) and the illumination illuminant (36) flash at the respiratory flash frequency, when no person is sensed to enter beyond the second time when no fault is detected by the set human body infrared sensor (332) and the electronic lock (102), the load state indicator lamp (352) and the illumination illuminant (36) are extinguished, and when the maintenance personnel does not eliminate the faults, the faults can be reset through the reset key (323).
2. The fault locating method of the intelligent fault locating power supply distribution unit according to claim 1, wherein the power supply distribution unit (3) is further provided with a sensor module (33) and an illumination illuminant (36), the illumination illuminant (36) is electrically connected with the output end of the MCU controller (321), the sensor module (33) is in communication connection with the MCU controller (321), and the sensor module (33) is provided with a human body infrared sensor (332) for detecting whether a human body approaches a current cabinet to open the illumination illuminant (36) to provide illumination after an inspection staff enters the intelligent fault locating power supply distribution unit through an entrance guard.
3. The fault locating method of the intelligent fault locating power supply distribution unit according to claim 1, wherein the output load interface (35) comprises a plurality of load interfaces (351) connected in parallel, load state indicating lamps (352) are arranged on the periphery of the load interfaces (351) in a one-to-one correspondence mode, and the load state indicating lamps (352) are electrically connected with the output end of the MCU controller (321).
4. The fault locating method of the intelligent fault locating power supply distribution unit according to claim 1, wherein the alarm locating laser module (322) is connected with a normally open contact of the laser on-off relay (5), and a coil of the laser on-off relay (5) is electrically connected with an output end of the MCU controller (321).
5. The fault locating method of the intelligent fault locating power supply distribution unit according to claim 2, wherein the power supply distribution unit (3) comprises a strip-shaped fixed groove body (31), two ends of the fixed groove body (31) are connected with mounting plates (37), the mounting plates (37) are fixedly connected with a cabinet, an input junction box (38), an MCU operation host (32), a sensor module (33), a data monitoring executing mechanism (34) and an output load interface (35) are sequentially arranged in the fixed groove body (31), the modules are isolated and fixed through a process partition plate (39), and the data monitoring executing mechanism (34) and the output load interface (35) can be sequentially arranged in a combined mode.
6. The fault locating method of an intelligent fault locating power supply distribution unit according to claim 5, wherein the illuminating light body (36) is a strip-shaped device and is embedded in the side wall of the fixed groove body (31).
7. The fault locating method of the intelligent fault locating power supply distribution unit according to claim 6, wherein the power supply distribution unit (3) is installed outside the cabinet, the laser emitting direction of the alarm locating laser module (322) faces to the outside of the cabinet, and the light irradiation direction of the illumination luminous body (36) is a vertical direction.
8. The fault locating method of the intelligent fault locating power supply distribution unit according to claim 2, wherein the MCU operation host (32) is provided with a reset key (323), an alarm buzzer (324) and a communication interface (325), the reset key (323) is electrically connected with the input end of the MCU controller (321) and used for resetting faults, the alarm buzzer (324) is electrically connected with the output end of the MCU controller (321), and the communication interface (325) is used for communicating with a centralized control system.
9. The fault locating method of the intelligent fault locating power supply distribution unit according to claim 1, wherein a crystal oscillator (6) is arranged at the input end of the MCU controller (321) to provide a reference frequency for reference timing reference.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202652240U (en) * | 2012-05-31 | 2013-01-02 | 广东天乐通信设备有限公司 | Equipment cabinet with PDU monitoring and alarm unit |
| CN204154853U (en) * | 2014-11-13 | 2015-02-11 | 国家电网公司 | A kind of distribution intelligent trouble indicator reducing false alarm |
| CN209417895U (en) * | 2019-03-13 | 2019-09-20 | 苏州艾尔科机电工程有限公司 | A kind of novel I T center monitoring alarm system |
| CN110865703A (en) * | 2019-11-13 | 2020-03-06 | 浪潮商用机器有限公司 | Power distribution unit PDU and cabinet power monitoring system |
| CN112073682A (en) * | 2020-08-05 | 2020-12-11 | 国网福建省电力有限公司 | Fault equipment monitoring method, device, equipment and computer storage medium |
| CN112564293A (en) * | 2021-01-14 | 2021-03-26 | 国网安徽省电力有限公司六安供电公司 | Intelligent power distribution unit monitoring device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190286090A1 (en) * | 2018-03-19 | 2019-09-19 | Isac Tabib | Intelligent Power Distribution Management System and Method Of Use |
-
2021
- 2021-09-26 CN CN202111130872.6A patent/CN113933622B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202652240U (en) * | 2012-05-31 | 2013-01-02 | 广东天乐通信设备有限公司 | Equipment cabinet with PDU monitoring and alarm unit |
| CN204154853U (en) * | 2014-11-13 | 2015-02-11 | 国家电网公司 | A kind of distribution intelligent trouble indicator reducing false alarm |
| CN209417895U (en) * | 2019-03-13 | 2019-09-20 | 苏州艾尔科机电工程有限公司 | A kind of novel I T center monitoring alarm system |
| CN110865703A (en) * | 2019-11-13 | 2020-03-06 | 浪潮商用机器有限公司 | Power distribution unit PDU and cabinet power monitoring system |
| CN112073682A (en) * | 2020-08-05 | 2020-12-11 | 国网福建省电力有限公司 | Fault equipment monitoring method, device, equipment and computer storage medium |
| CN112564293A (en) * | 2021-01-14 | 2021-03-26 | 国网安徽省电力有限公司六安供电公司 | Intelligent power distribution unit monitoring device |
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