CN113959592A - Antenna configuration method for UHF RFID temperature measurement system of electrical equipment - Google Patents
Antenna configuration method for UHF RFID temperature measurement system of electrical equipment Download PDFInfo
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- CN113959592A CN113959592A CN202111228047.XA CN202111228047A CN113959592A CN 113959592 A CN113959592 A CN 113959592A CN 202111228047 A CN202111228047 A CN 202111228047A CN 113959592 A CN113959592 A CN 113959592A
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- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000012360 testing method Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 26
- 230000020169 heat generation Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000004870 electrical engineering Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000012806 monitoring device Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/022—Means for indicating or recording specially adapted for thermometers for recording
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
- H04B17/103—Reflected power, e.g. return loss
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a method for configuring an antenna of a UHF RFID temperature measurement system of electrical equipment, belonging to the technical field of electrical engineering, which comprises the following steps: s1, when the UHF RFID temperature measurement system product of the electrical equipment is produced, hardware can be configured according to the maximum port, and after the temperature collector is powered on, radio frequency signals with fixed frequency are firstly reinforced for each antenna port; s2, testing the return loss value of the antenna port to judge whether each port is configured with an antenna, and then setting the frequency band, mode, frequency hopping frequency, power and the like for the connected antenna; the invention solves the problems that the UHF RFID temperature measurement product of the electrical equipment needs to be produced in various configurations according to the requirements of customers, so that the management cost is high, the configuration and the field installation are troublesome in engineering and easy to make mistakes, and the work of other antennas of the collector is influenced by the problem of a certain antenna in the working and running processes, thereby reducing the production management cost of the product and improving the adaptability of the product and the convenience of the engineering installation.
Description
Technical Field
The invention relates to the technical field of electrical engineering, in particular to an antenna configuration method of a UHF RFID temperature measurement system of electrical equipment.
Background
As shown in fig. 3, a temperature collector in the UHF RFID temperature measurement system of the switch cabinet electrical equipment configures the required antenna port and port number according to the hardware required by a customer, software sets an antenna according to the antenna port configured by the hardware during power-on initialization, the initialization is completed, the software enters a main cycle to start using the antenna, UHF RFID communicates and reads the temperature of the tag RFID temperature sensor, and the operation is repeated continuously and updated temperature data is calculated.
The main problems existing in the prior art are as follows: 1. different programs need to be downloaded according to different antenna port hardware configurations in production, so that the production working hour and the management cost are increased; 2. different collectors are needed to be configured according to the requirements of customers, so that the product is not flexible enough; 3. when one of the antenna ports is open, short or bad, the other antennas can not work.
Therefore, an antenna configuration method of the UHF RFID temperature measurement system of the electrical equipment is provided.
Disclosure of Invention
The invention is provided in view of the above and/or the problems existing in the existing antenna configuration method of the UHF RFID temperature measurement system of the electrical equipment.
Therefore, an object of the present invention is to provide an antenna configuration method for UHF RFID temperature measurement system of electrical equipment, which can solve the above-mentioned problems of the prior art.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
an antenna configuration method of an electrical equipment UHF RFID temperature measurement system comprises the following specific steps:
s1, when the UHF RFID temperature measurement system product of the electrical equipment is produced, hardware can be configured according to the maximum port, and after the temperature collector is powered on, radio frequency signals with fixed frequency are firstly reinforced for each antenna port;
s2, testing the return loss value of the antenna port to judge whether each port is configured with an antenna, and then setting the frequency band, mode, frequency hopping frequency, power and the like for the connected antenna;
s3, after setting, entering a space between the temperature collector and the RFID temperature sensor to carry out wireless communication and temperature measurement in a UHF frequency band, and storing the configuration state of each antenna port for a data acquisition device or background query;
s4, the reading module is powered off and powered on at regular time in the operation process of the temperature collector, then the antenna port is repeatedly detected and configured, the communication and temperature measurement state is entered, and the operation is repeated in a circulating way, so that the operation of the antenna is only stopped under the condition that a certain antenna has a problem in the operation process, and the whole temperature collector cannot work, and the other purpose of the reading module at regular time is to reduce the power consumption of the temperature collector, reduce the heat generation, improve the service life and the stability of the product, and reduce the requirements on a matched power supply and a matched circuit.
As a preferable scheme of the antenna configuration method of the UHF RFID temperature measurement system of the electrical device, according to the present invention, wherein: the temperature collector is composed of a power supply module, an MCU, a UHF RFID reader and an RS485 communication module, wherein the output end of the power supply module is electrically connected with the MCU, the UHF RFID reader and the RS485 communication module.
As a preferable scheme of the antenna configuration method of the UHF RFID temperature measurement system of the electrical device, according to the present invention, wherein: the MCU is connected with the UHF RFID reader through a uart interface and controls the power supply of the UHF RFID reader to be powered on and powered off.
As a preferable scheme of the antenna configuration method of the UHF RFID temperature measurement system of the electrical device, according to the present invention, wherein: and the MCU is connected with the RS485 communication module through a uart interface.
As a preferable scheme of the antenna configuration method of the UHF RFID temperature measurement system of the electrical device, according to the present invention, wherein: the UHF RFID reader is respectively connected with an antenna port 1, an antenna port 2, an antenna port 3 and an antenna port 4.
As a preferable scheme of the antenna configuration method of the UHF RFID temperature measurement system of the electrical device, according to the present invention, wherein: and the RS485 communication module is connected with the RS485 communication port.
Compared with the prior art:
the invention solves the problems that the UHF RFID temperature measurement product of the electrical equipment needs to be produced in various configurations according to the requirements of customers, so that the management cost is high, the configuration and the field installation are troublesome in engineering and easy to make mistakes, and the work of other antennas of the collector is influenced by the problem of a certain antenna in the working and running processes, thereby reducing the production management cost of the product and improving the adaptability of the product and the convenience of the engineering installation.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic diagram of the temperature collector of the present invention;
FIG. 3 is a schematic structural diagram of a UHF RFID temperature measurement system in the prior art.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The invention provides an antenna configuration method of an electric equipment UHF RFID temperature measurement system, please refer to fig. 1-3, comprising the following steps:
s1, when the UHF RFID temperature measurement system product of the electrical equipment is produced, hardware can be configured according to the maximum port, and after the temperature collector is powered on, radio frequency signals with fixed frequency are firstly reinforced for each antenna port;
s2, testing the return loss value of the antenna port to judge whether each port is configured with an antenna, and then setting the frequency band, mode, frequency hopping frequency, power and the like for the connected antenna;
s3, after setting, entering a space between the temperature collector and the RFID temperature sensor to carry out wireless communication and temperature measurement in a UHF frequency band, and storing the configuration state of each antenna port for a data acquisition device or background query;
s4, the reading module is powered off and powered on at regular time in the operation process of the temperature collector, then the antenna port is repeatedly detected and configured, the communication and temperature measurement state is entered, and the operation is repeated in a circulating way, so that the operation of the antenna is only stopped under the condition that a certain antenna has a problem in the operation process, and the whole temperature collector cannot work, and the other purpose of the reading module at regular time is to reduce the power consumption of the temperature collector, reduce the heat generation, improve the service life and the stability of the product, and reduce the requirements on a matched power supply and a matched circuit.
Furthermore, the temperature collector consists of a power supply module, an MCU, a UHF RFID reader and an RS485 communication module, wherein the output end of the power supply module is electrically connected with the MCU, the UHF RFID reader and the RS485 communication module; the MCU is connected with the UHF RFID reader through a uart interface and controls the power supply of the UHF RFID reader to be powered on and powered off; the MCU is connected with the RS485 communication module through a uart interface; the UHF RFID reader is respectively connected with an antenna port 1, an antenna port 2, an antenna port 3 and an antenna port 4; the RS485 communication module is connected with the RS485 communication port, specifically, the external power adapter supplies power to the MCU, the UHF RFID reader and the RS485 communication module after being converted by the power module, the MCU controls the power supply of the UHF RFID reader to be powered up and down and communicates with the UHF RFID reader through a uart interface, so that the setting, control and data reading and writing of the UHF RFID reader are completed, and temperature data obtained by the MCU is uploaded to a background or a temperature acquisition display device through the RS485 communication interface.
As shown in fig. 3, the current UHF RFID temperature measurement system is composed of a temperature collector, an antenna, an RFID temperature sensor communication manager, and a background, where the temperature collector transmits a radio frequency signal to the temperature sensor through the antenna and provides energy, the temperature sensor starts to operate after receiving the radio frequency signal and acquiring enough energy, receives the radio frequency signal from the temperature collector, measures temperature and converts the radio frequency signal into a digital signal, and then transmits the digital signal back to the temperature collector in a radio frequency manner, and the temperature collector processes the received data and transmits the processed data to a display monitoring device or directly to the background; the temperature collector adopts a Modbus communication protocol for uplink communication, and can directly communicate with a display monitoring device or a background, so that the functions of temperature online detection, temperature overrun report, historical record query and the like are realized.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. An antenna configuration method of an electric equipment UHF RFID temperature measurement system is characterized by comprising the following specific steps:
s1, when the UHF RFID temperature measurement system product of the electrical equipment is produced, hardware can be configured according to the maximum port, and after the temperature collector is powered on, radio frequency signals with fixed frequency are firstly reinforced for each antenna port;
s2, testing the return loss value of the antenna port to judge whether each port is configured with an antenna, and then setting the frequency band, mode, frequency hopping frequency, power and the like for the connected antenna;
s3, after setting, entering a space between the temperature collector and the RFID temperature sensor to carry out wireless communication and temperature measurement in a UHF frequency band, and storing the configuration state of each antenna port for a data acquisition device or background query;
s4, the reading module is powered off and powered on at regular time in the operation process of the temperature collector, then the antenna port is repeatedly detected and configured, the communication and temperature measurement state is entered, and the operation is repeated in a circulating way, so that the operation of the antenna is only stopped under the condition that a certain antenna has a problem in the operation process, and the whole temperature collector cannot work, and the other purpose of the reading module at regular time is to reduce the power consumption of the temperature collector, reduce the heat generation, improve the service life and the stability of the product, and reduce the requirements on a matched power supply and a matched circuit.
2. The antenna configuration method of the electrical equipment UHF RFID temperature measurement system according to claim 1, wherein the temperature collector consists of a power supply module, an MCU, a UHF RFID reader and an RS485 communication module, and the output end of the power supply module is electrically connected with the MCU, the UHF RFID reader and the RS485 communication module.
3. The antenna configuration method of the electrical equipment UHF RFID temperature measurement system of claim 2, wherein the MCU is connected with the UHF RFID reader through a uart interface, and the MCU controls the power supply of the UHF RFID reader to be powered on and off.
4. The antenna configuration method of the electrical equipment UHF RFID temperature measurement system of claim 2, wherein the MCU is connected with the RS485 communication module through a uart interface.
5. The antenna configuration method of the electrical equipment UHF RFID temperature measurement system of claim 2, wherein the UHF RFID reader is connected with an antenna port 1, an antenna port 2, an antenna port 3 and an antenna port 4 respectively.
6. The antenna configuration method of the electrical equipment UHF RFID temperature measurement system of claim 2, wherein the RS485 communication module is connected with an RS485 communication port.
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| CN202111228047.XA CN113959592A (en) | 2021-10-21 | 2021-10-21 | Antenna configuration method for UHF RFID temperature measurement system of electrical equipment |
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| CN202111228047.XA CN113959592A (en) | 2021-10-21 | 2021-10-21 | Antenna configuration method for UHF RFID temperature measurement system of electrical equipment |
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2021
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