CN113297865B - Switch cabinet data management method based on RFID temperature label - Google Patents
Switch cabinet data management method based on RFID temperature label Download PDFInfo
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- CN113297865B CN113297865B CN202110555420.6A CN202110555420A CN113297865B CN 113297865 B CN113297865 B CN 113297865B CN 202110555420 A CN202110555420 A CN 202110555420A CN 113297865 B CN113297865 B CN 113297865B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10297—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves arrangements for handling protocols designed for non-contact record carriers such as RFIDs NFCs, e.g. ISO/IEC 14443 and 18092
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
- G06K17/0029—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
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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
Abstract
The invention discloses a switch cabinet data management method based on an RFID temperature label, which comprises the steps of firstly constructing an active RFID hardware system integrating power supply, data acquisition, data storage and data transmission; partitioning the storage units of the built RFID hardware system, and respectively storing the type, temperature, operation condition and fault record of the switch cabinet; finally, the measured temperature data is processed on site, if the measured temperature data is uploaded abnormally and immediately, the stored information is uploaded regularly if the measured temperature data is not abnormal, the RFID temperature label data management system records the inherent information of the switch cabinet, the label can uniquely identify one switch cabinet, in addition, the data management system also has the functions of recording historical temperature data, operation information and fault information of the switch cabinet and uploading automatically, and by means of the data management system, the recording and uploading of the whole life cycle data of the switch cabinet can be realized, and the whole life cycle management of the switch cabinet is realized.
Description
Technical Field
The invention relates to the technical field of wireless temperature measurement of a power system switch cabinet, in particular to a switch cabinet data management method based on an RFID temperature label.
Background
The current RFID temperature tag only measures the temperature when an operation and maintenance person reads the temperature, only stores single temperature data, and automatically covers the last temperature data when the RFID temperature tag measures new temperature data, so that the temperature data of equipment in abnormal temperature can be lost, and the operation and maintenance person cannot know the condition of short-time abnormal operation of the equipment.
The current RFID temperature label does not record the type, the manufacturer, the operation time, the operation condition and the fault condition of the switch cabinet, and operation and maintenance personnel need to manually distinguish temperature data of different labels after reading the RFID temperature label, so the current temperature label is a pseudo label in fact and can not uniquely identify the switch cabinet.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the invention, which should not be used to limit the scope of the invention.
The present invention has been made in view of the above-mentioned problems with the existing RFID temperature tag based switch cabinet data management system.
Therefore, the invention aims to provide a switch cabinet data management method and system based on RFID temperature labels.
In order to solve the technical problems, the invention provides the following technical scheme: a switch cabinet data management method based on RFID temperature label comprises,
firstly, an active RFID hardware system integrating power supply, data acquisition, data storage and data transmission is built;
partitioning the storage units of the built RFID hardware system, and respectively storing the type, temperature, operation condition and fault record of the switch cabinet;
and finally, carrying out on-site processing on the measured temperature data, and uploading stored information at regular time if the measured temperature data is abnormally and immediately uploaded.
As a preferable scheme of the switch cabinet data management method based on the RFID temperature label, the invention comprises the following steps: the method also comprises the following steps of,
the power supply assembly adopts 5cm 2 The self-cleaning nano-film solar panel and the rechargeable battery pack are used for supplying power to the temperature sensor;
the temperature sensor adopts a DS18B20 controller, the DS18B20 controller is initially configured to be 12 bits, 16 bits are read in total when the temperature is read, the first 5 bits are sign bits, and when the current 5 bits are 1, the read temperature is negative; when the current 5 bits are 0, the read temperature is a positive number, and the temperature is positive, and the reading method comprises the following steps: converting 16-scale numbers into 10-scale numbers; the reading method when the temperature is negative is as follows: the 16 system is inverted and then added with 1, and then converted into the 10 system.
As a preferable scheme of the switch cabinet data management method based on the RFID temperature label, the invention comprises the following steps: the method also comprises the following steps of,
the high-efficiency charge and discharge of the battery pack are managed by using a charge management chip ADP5091 in the solar panel;
then the voltage regulator of the photovoltaic system adopts a MAX17205 chip to carry out real-time online compensation measurement and self-calibration on the temperature;
the MSP430F149IPM singlechip of the photovoltaic system is utilized to monitor the temperature of the switch cabinet every 1min, and the NB-IOT module is driven to report label data through a UART interface;
and finally, reading the written functional instruction data through an IIC interface by matching with the SL3S4011 chip of the RFID module, decrypting the data by adopting a decryption algorithm, and waking up the corresponding sensor module according to a command analysis program built in the on-line perception tag to complete the active control of each module.
As a preferable scheme of the switch cabinet data management method based on the RFID temperature label, the invention comprises the following steps: the method also comprises the following steps of,
partitioning the RFID tag storage area, wherein the partitioning is used for storing inherent information, temperature data, operation conditions and fault records of the switch cabinet respectively;
and the staff uses the RFID reader to input the type of the switch cabinet, the manufacturer and the operation date into the equipment inherent information area of the memory, and detects the operation condition of the switch cabinet.
As a preferable scheme of the switch cabinet data management method based on the RFID temperature label, the invention comprises the following steps: the method also comprises the following steps of,
if the switch cabinet operates normally, namely the acquisition parameters are not abnormal, the RFID tag MCU and the temperature acquisition module operate in a low-power sleep mode, other modules are in a power-down state, the RFID tag wakes up automatically every 1min, and fault detection of each sensor module is performed after the tag wakes up, so that self-detection is completed; if the self-check is not passed, immediately reporting fault data and notifying operation and maintenance personnel of finishing replacement; if the self-check is normal, the RFID tag collects the temperature of the switch cabinet and records the temperature data area of the RFID tag;
if the acquisition parameters are abnormal, writing abnormal data with a time stamp into a temperature data area of the RFID module, adjusting the acquisition time according to the overrun degree, deciding whether reporting and reporting interval time, and recording the fault condition of the switch cabinet by an operator to an equipment fault information area after the switch cabinet is abnormal.
As a preferable scheme of the switch cabinet data management method based on the RFID temperature label, the invention comprises the following steps: the method also comprises the following steps of,
if the equipment temperature data is not abnormal, uploading RFID tag data every other hour, and clearing data of a temperature data storage area in the tag for new data storage;
if the temperature of the switch cabinet is abnormal, abnormal data are written into the temperature data storage area and immediately uploaded to the data of the temperature data storage area, meanwhile, the time interval of temperature acquisition is shortened to 10s, and the data are uploaded once every time the data are acquired until the data of the switch cabinet are recovered to be normal, and the time interval of temperature data acquisition is recovered to 1 minute.
The utility model provides a cubical switchboard data management system based on RFID temperature label which characterized in that: comprising the steps of (a) a step of,
the hardware system comprises a power supply module, a data acquisition module connected with the power supply module and an active RFID hardware module connected with the data acquisition module; the method comprises the steps of,
the central control assembly comprises a charging management chip, a circuit monitoring chip electrically connected with the charging management chip and a main control chip connected with the circuit monitoring chip.
As a preferable scheme of the switch cabinet data management system based on the RFID temperature label, the switch cabinet data management system based on the RFID temperature label comprises the following components: the power supply module comprises a solar panel, a rechargeable battery pack electrically connected with the solar panel and a charging management chip, and the charging management chip is provided with a maximum power tracker.
As a preferable scheme of the switch cabinet data management system based on the RFID temperature label, the switch cabinet data management system based on the RFID temperature label comprises the following components: the data acquisition module comprises a temperature sensor, a memory electrically connected with the temperature sensor and a power supply line connected with the power supply module,
wherein the memory comprises a scratch pad and an electrically erasable RAM comprising temperature triggers TH, TL and configuration registers.
The invention has the beneficial effects that: the RFID temperature label data management system records inherent information of the switch cabinet, the label can uniquely identify one switch cabinet, and in addition, the data management system also has the functions of recording historical temperature data, operation information and fault information of the switch cabinet and automatically uploading, so that the data management system can record and upload the whole life cycle data of the switch cabinet, and realize the whole life cycle management of the switch cabinet.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a flow chart of data acquisition, storage, processing and reporting of a data management system of the switch cabinet data management method based on the RFID temperature label.
Fig. 2 is a schematic diagram of a power management chip according to the switch cabinet data management method based on the RFID temperature tag of the present invention.
Fig. 3 is a read-write timing diagram of the RFID module chip according to the switch cabinet data management method based on the RFID temperature tag of the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Further, in describing the embodiments of the present invention in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Example 1
Referring to fig. 1-3, a switch cabinet data management method based on an RFID temperature tag includes:
s1: an active RFID hardware system integrating power supply, data acquisition, data storage and data transmission is built, and 5cm is utilized 2 The active RFID hardware system is characterized in that devices such as a solar panel, a 5V rechargeable lead-acid storage battery, a charging management chip, a temperature sensor, an existing passive RFID module, a storage chip and an ultralow-power-consumption singlechip are used for realizing integrated power supply, data acquisition, data storage and data transmission.
Specifically, the power supply unit adopts 5cm 2 The self-cleaning nano-film solar panel and the rechargeable battery pack adopt a charging management chip ADP5091 to realize high-efficiency charging and discharging management of the battery pack, the ADP5091 is provided with an MPPT maximum power tracker, voltage and current monitoring of a photovoltaic system can be realized to obtain the maximum power of the photovoltaic system, and the starting voltage of a regulator only needs 380mV.
After the chip is cold started, the regulator can normally work in the input voltage range of 80mV-3.3V, and can realize boost turn-off under the condition of low illumination through programming, in order to accurately measure the electric quantity of the battery pack, a MAX17205 chip is adopted, a ModelGauge m5 algorithm is adopted, the temperature real-time on-line compensation and self-calibration function is realized, the residual working time and the finished charging time can be estimated, and the active equalization function of the electric quantity of the battery is realized by measuring a plurality of batteries connected in series, so that the service life of the battery pack is prolonged.
Furthermore, the main control chip adopts an ultra-low power consumption singlechip MSP430F149IPM of TI company, the MSP430F149IPM adopts an ARM Cortex-M4 kernel, has ultra-low power consumption (current is only 280uA in an active mode), and has an independent floating point operation unit and strong data processing capability. The intelligent power equipment is provided with a 1MFlash and a 64kB RAM, the main frequency can reach 64MHz, the MSP430F149IPM has rich peripheral resources, the intelligent power equipment is provided with 2 paths of IIC (inter-integrated circuit) buses and 2 paths of universal asynchronous receiving and transmitting transmitters (Universal Asynchronous Receiver/Transmitter, UART) interfaces, the MSP430F149IPM is connected with a temperature sensor DS18B20 through the IIC interfaces to collect temperature data, and when the power equipment normally operates, the MSP430F149IPM reads the temperature of a switch cabinet every 1min and drives an NB-IOT module to report label data through the UART interfaces.
Further, the DS18B20 is adopted as the temperature sensor. The memory of DS18B20 comprises a scratch pad RAM and an electrically erasable RAM, the electrically erasable RAM comprises temperature triggers TH and TL, and a configuration register, the memory can completely determine the communication of a line port, digits start to be written into the register by a command for writing the register, then the digits can be confirmed by a command for reading the register, the digits can be transferred into the electrically erasable RAM by a command for copying the register after confirmation, when the digits in the register are modified, the process can ensure the integrity of the digits, the scratch pad RAM is composed of 8 bytes of memory, the ninth byte can be read by the command for reading the register, the byte is used for checking the eight bytes before, the first 8 bits of the 64-bit photoetching ROM are the self code of DS18B20, the next 48 bits are continuous digital codes, and the last 8 bits are the CRC check of the first 56 bits. The 64-bit photolithographic ROM in turn includes 5 ROM function commands: read ROM, match ROM, skip ROM, find ROM, and alarm find.
DS18B20 may use external power supply VDD or internal parasitic power supply. When the VDD port is connected with 3.0V-5.5V voltage, an external power supply is used; an internal parasitic power supply is used when the VDD port is grounded. The I/O port line is connected with a pull-up resistor of about 5KΩ, whether an internal parasitic power supply or an external power supply. The DS18B20 is configured to be 12 bits when leaving the factory, 16 bits are read in total when the temperature is read, the first 5 bits are sign bits, and when the current 5 bits are 1, the read temperature is negative; when the current 5 bits are 0, the read temperature is a positive number, and the temperature is positive, and the reading method comprises the following steps: converting 16-scale numbers into 10-scale numbers; the reading method when the temperature is negative is as follows: the 16 system is inverted and then added with 1, and then converted into the 10 system.
Further, the RFID module adopts a SL3S4011 chip of NXP, supports UHF EPCglobal Generation-2 radio frequency standard protocol and an independent IC communication interface, and can complete the functions of accessing, reading and writing configuration command data, running data and the like of the RFID chip through the IC interface, so that bridging of a radio frequency system and a control system is realized, the function of on-site awakening an on-line sensing tag through a handheld terminal is realized, when the RFID tag leaves a factory, a communication interrupt flag bit (the communication interrupt flag bit is positioned in a special configuration register) of the RFID chip is initialized to be 1 through an RFID reader, and SCL pin interrupt of an IIC interface is started. When an operator writes corresponding function instruction data into a data buffer register of the RFID chip through the handheld terminal, the SCL pin level can jump to a low level, an RF communication interruption indication signal can be generated, the duration of the signal level is not less than 210us, and a read-write interruption time sequence chart of the SCL pin is shown in figure 2. MSP430F149IPM is awakened after receiving the interrupt signal, reads the written functional instruction data through the IIC interface, decrypts the data by adopting a decryption algorithm, wakes up the corresponding sensor module according to the command analysis program built in the on-line perception tag, and completes the active control of each module.
S2: and then, the built hardware system is utilized to realize data classified storage, and the RFID tag storage area is partitioned to store the inherent information, temperature data, operation condition and fault record of the switch cabinet.
When the system is put into use, a worker uses an RFID reader to input the type of the switch cabinet, the production merchant and the commissioning date into the equipment inherent information area of the memory;
detecting normal operation conditions of the switch cabinet, namely, when no abnormality exists, the RFID tag MCU and the temperature acquisition module operate in a low-power sleep mode, other modules are in a power-down state, the RFID tag wakes up automatically every 1min, and fault detection of each sensor module is firstly carried out after the RFID tag wakes up, so that self-detection is completed; when the self-inspection fails, immediately reporting fault data and notifying operation and maintenance personnel of completing replacement; when the self-check is normal, the RFID tag collects the temperature of the switch cabinet and records the temperature data area of the RFID tag.
If the acquisition parameters are abnormal, writing the abnormal data with the time stamp into a temperature data area of the RFID module, and adjusting the acquisition time and deciding whether reporting and reporting interval time according to the overrun degree.
When the switch cabinet is switched off or switched on, an operator inputs the operation condition of the switch cabinet to an equipment operation information area;
when the switch cabinet is abnormal, an operator inputs the record of the fault condition of the switch cabinet to the equipment fault information area.
S3: the method for realizing the on-site processing and uploading of the data by utilizing the control unit of the data management system comprises the following steps:
if the equipment temperature data is not abnormal, uploading the RFID tag data every other hour, and clearing the data of the temperature data storage area in the tag for new data storage.
If the temperature of the switch cabinet exceeds the limit value, writing the abnormal data into the temperature data storage area and immediately uploading the data of the temperature data storage area, simultaneously shortening the time interval of temperature acquisition to 10s, uploading the data once every time the data is acquired until the data of the switch cabinet is recovered to be normal, and recovering the time interval of temperature data acquisition to 1 minute.
It is important to note that the construction and arrangement of the present application as shown in a variety of different exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the invention is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the invention, or those not associated with practicing the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (3)
1. The switch cabinet data management method based on the RFID temperature label is characterized by comprising the following steps of: comprising the steps of (a) a step of,
firstly, an active RFID hardware system integrating power supply, data acquisition, data storage and data transmission is built;
partitioning the storage units of the built RFID hardware system, and respectively storing the type, temperature, operation condition and fault record of the switch cabinet;
finally, the measured temperature data is processed on site, if the measured temperature data is uploaded immediately, the stored information is uploaded regularly if the measured temperature data is not abnormal, the method also comprises the following steps,
the power supply assembly adopts 5cm 2 The self-cleaning nano-film solar panel and the rechargeable battery pack are used for supplying power to the temperature sensor;
the temperature sensor adopts a DS18B20 controller, the DS18B20 controller is initially configured to be 12 bits, 16 bits are read in total when the temperature is read, the first 5 bits are sign bits, and when the current 5 bits are 1, the read temperature is negative; when the current 5 bits are 0, the read temperature is a positive number, and the temperature is positive, and the reading method comprises the following steps: converting 16-scale numbers into 10-scale numbers; the reading method when the temperature is negative is as follows: the 16 system is inverted and then added with 1, and then converted into 10 system, and the method also comprises the following steps,
the high-efficiency charge and discharge of the battery pack are managed by using a charge management chip ADP5091 in the solar panel;
then the voltage regulator of the photovoltaic system adopts a MAX17205 chip to carry out real-time online compensation measurement and self-calibration on the temperature;
the MSP430F149IPM singlechip of the photovoltaic system is utilized to monitor the temperature of the switch cabinet every 1min, and the NB-IOT module is driven to report label data through a UART interface;
finally, the written functional instruction data is read out through an IIC interface by matching with an SL3S4011 chip of the RFID module, the data is decrypted by adopting a decryption algorithm, and then the corresponding sensor module is awakened according to a command analysis program built in the on-line perception tag, so that the active control of each module is completed;
if the switch cabinet operates normally, namely the acquisition parameters are not abnormal, the RFID tag MCU and the temperature acquisition module operate in a low-power sleep mode, other modules are in a power-down state, the RFID tag wakes up automatically every 1min, and fault detection of each sensor module is performed after the tag wakes up, so that self-detection is completed; if the self-check is not passed, immediately reporting fault data and notifying operation and maintenance personnel of finishing replacement; if the self-check is normal, the RFID tag collects the temperature of the switch cabinet and records the temperature data area of the RFID tag;
if the acquisition parameters are abnormal, writing abnormal data with a time stamp into a temperature data area of the RFID module, adjusting the acquisition time according to the overrun degree, deciding whether reporting and reporting interval time, and recording the fault condition of the switch cabinet by an operator to an equipment fault information area after the switch cabinet is abnormal.
2. The method for managing switch cabinet data based on the RFID temperature tag according to claim 1, wherein: the method also comprises the following steps of,
partitioning the RFID tag storage area, wherein the partitioning is used for storing inherent information, temperature data, operation conditions and fault records of the switch cabinet respectively;
and the staff uses the RFID reader to input the type of the switch cabinet, the manufacturer and the operation date into the equipment inherent information area of the memory, and detects the operation condition of the switch cabinet.
3. The method for managing switch cabinet data based on the RFID temperature tag according to claim 1, wherein: the method also comprises the following steps of,
if the equipment temperature data is not abnormal, uploading RFID tag data every other hour, and clearing data of a temperature data storage area in the tag for new data storage;
if the temperature of the switch cabinet is abnormal, abnormal data are written into the temperature data storage area and immediately uploaded to the data of the temperature data storage area, meanwhile, the time interval of temperature acquisition is shortened to 10s, and the data are uploaded once every time the data are acquired until the data of the switch cabinet are recovered to be normal, and the time interval of temperature data acquisition is recovered to 1 minute.
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| CN114444631A (en) * | 2022-01-25 | 2022-05-06 | 广州龙建达电子股份有限公司 | Warehouse archive asset management method and system based on RFID and Internet of things technology |
| CN116359658A (en) * | 2023-05-31 | 2023-06-30 | 广东电网有限责任公司湛江供电局 | Power equipment abnormality judgment method and device, electronic equipment and storage medium |
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