CN111579124A - Low pressure drawer cabinet temperature measurement system based on RFID - Google Patents
Low pressure drawer cabinet temperature measurement system based on RFID Download PDFInfo
- Publication number
- CN111579124A CN111579124A CN202010503979.XA CN202010503979A CN111579124A CN 111579124 A CN111579124 A CN 111579124A CN 202010503979 A CN202010503979 A CN 202010503979A CN 111579124 A CN111579124 A CN 111579124A
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- temperature
- rfid
- card reading
- display terminal
- reading display
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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
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
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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
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a low-voltage drawer cabinet temperature measurement system based on RFID (radio frequency identification devices), which comprises a card reading display terminal, a temperature signal processing terminal and a temperature information processing terminal, wherein the card reading display terminal is used for receiving a temperature signal and displaying temperature information; the RFID temperature tag is used for detecting the temperatures of an incoming line contact and a load side outgoing line contact of the low-voltage drawer cabinet and sending temperature signals to the card reading display terminal; the RFID radio frequency technology is applied to the temperature measuring system of the low-voltage drawer cabinet, and a series of problems of difficult deployment, large occupied space, inconvenient installation, signal interference and the like of the temperature measuring system of the low-voltage drawer cabinet in the prior art are solved.
Description
Technical Field
The invention relates to the field of temperature measurement of low-voltage drawers, in particular to a temperature measurement system of a low-voltage drawer cabinet based on RFID.
Background
In a low-voltage system, a large part of switch cabinets often work in a low-voltage high-current state, so that a phenomenon of low-voltage equipment circuit heating often occurs, and this situation may cause equipment failure and even bring potential safety hazards, so in the low-voltage system, particularly, temperature monitoring of contacts of a low-voltage drawer cabinet is important, but in the prior art, temperature measurement of the low-voltage drawer cabinet has the following problems.
Disclosure of Invention
In order to solve the problems, the invention provides a low-voltage drawer cabinet temperature measurement system based on RFID, which comprises a card reading display terminal, a temperature signal acquisition terminal and a temperature information display terminal, wherein the card reading display terminal is used for receiving a temperature signal and displaying temperature information; the RFID temperature tag is used for detecting the temperature of the low-voltage drawer cabinet and sending a temperature signal to the card reading display terminal; and the card reading display terminal is connected with the RFID temperature tag through the acquisition antenna to realize data communication.
Further, the card reading display terminal at least comprises: the device comprises a display module, a processor, a memory, a frequency generator and a phase-locked loop.
Furthermore, the card reading display terminal is also provided with an RS485 communication interface and an alarm unit, and when the received temperature information exceeds a preset temperature threshold value, an alarm signal is sent out.
Further, the RFID temperature tag comprises a temperature acquisition chip and a transceiving antenna.
Furthermore, an adsorption antenna assembly is arranged on the acquisition antenna.
Further, the adsorption antenna assembly mounting component is a permanent magnet.
Further, the RFID temperature tag is externally packaged by ceramic.
Furthermore, the RFID temperature tags are arranged on the inlet wire and the outlet wire terminals of each low-voltage drawer cabinet.
In conclusion, the invention has the following beneficial effects: the RFID radio frequency technology is applied to the temperature measuring system of the low-voltage drawer cabinet, the temperature of the low-voltage drawer cabinet is monitored through the RFID temperature tag, the size is small, the installation is convenient, and the card reading display terminal is adsorbed on the low-voltage drawer cabinet through the permanent magnet, so that the operation is convenient; the RFID temperature tags are packaged by ceramics, so that the anti-interference capability is high, the communication is reliable, the temperature can be continuously and actively acquired, the RFID belongs to a passive element and is completely passive, and a plurality of drawer cabinets can be subjected to real-time temperature measurement simultaneously when a plurality of RFID temperature tags are arranged.
Drawings
Fig. 1 is a block diagram of a system configuration in embodiment 1 of the present invention.
Fig. 2 is a block diagram of the card reading display terminal according to the present invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
the embodiment discloses a temperature measuring system of a low-voltage drawer cabinet based on RFID (radio frequency identification), which comprises a card reading display terminal 10, a temperature measuring unit and a temperature measuring unit, wherein the card reading display terminal is used for receiving temperature signals and displaying temperature information; at least one RFID temperature tag 30 for detecting the temperature of the low-voltage drawer cabinet and transmitting a temperature signal to the card reading display terminal 10; the number of the RFID temperature tags 30 can be determined according to actual conditions, for example, if a certain low-voltage drawer cabinet needs 10 monitoring points, the number of the RFID temperature tags 30 can be set to 10; the collection antenna 20 is connected with the card reading display terminal 10, and the card reading display terminal 10 realizes data communication with the RFID temperature tag 30 through the collection antenna 20.
Specifically, the RFID temperature tag 30 in this embodiment includes a temperature acquisition chip and a transceiver antenna. RFID temperature tags 30 are provided on the incoming and outgoing terminals of each low voltage drawer cabinet.
The working principle of the embodiment is as follows: the RFID temperature tag 30 collects temperature data in real time, the card reading display terminal 10 sends a radio frequency signal in an area to form an electromagnetic field, the RFID temperature tag 30 is triggered in the electromagnetic field coverage area of the card reading display terminal 10, the RFID temperature tag 30 sends the collected temperature data to the card reading display terminal 10, and the card reading display terminal 10 displays the received temperature information.
More specifically, as shown in fig. 2, the card reading display terminal 10 in the present embodiment includes a display module 101, a processor 102, a memory 103, a frequency generator 104, and a phase-locked loop 105. The display module can be configured as an LED screen for displaying the temperature information received by the card reading display terminal 10 in real time.
As an alternative implementation, the card reading display terminal 10 in this embodiment may further be provided with an RS485 communication interface 106 and an alarm unit 107, and the card reading display terminal 10 may communicate with a computer/upper computer through the RS485 communication interface 106. When the temperature information received by the card reading display terminal 10 exceeds the preset temperature threshold value, an alarm signal is sent out by the alarm unit 107, so that the potential safety hazard is reduced.
In an alternative embodiment, the collecting antenna 20 is provided with a suction antenna assembly (not shown) for fixing the card reading display terminal 10 to the low-voltage drawer cabinet, and the suction antenna assembly mounting assembly may be a permanent magnet.
In an alternative embodiment, the RFID temperature tag 30 may be externally encapsulated with ceramic to improve the tamper resistance of the RFID temperature tag 30.
The RFID radio frequency technology is applied to the temperature measuring system of the low-voltage drawer cabinet, the temperature of the low-voltage drawer cabinet is monitored through the RFID temperature tag 30, the size is small, the installation is convenient, and the card reading display terminal 10 is adsorbed on the low-voltage drawer cabinet through permanent magnets, so that the operation is convenient; in addition, RFID temperature label 30 uses ceramic package, and the interference killing feature is strong, and communication is reliable, can gather the temperature in succession initiatively, and RFID belongs to passive component, and is totally passive, can carry out real-time temperature measurement to a plurality of drawer cabinets simultaneously when setting up a plurality of RFID temperature labels 30.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application. The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a low pressure drawer cabinet temperature measurement system based on RFID which characterized in that: the method comprises the following steps:
the card reading display terminal (10) is used for receiving the temperature signal and displaying temperature information;
at least one RFID temperature tag (30) for detecting the temperature of the low-voltage drawer cabinet and transmitting a temperature signal to the card reading display terminal (10);
the acquisition antenna (20) is connected with the card reading display terminal (10), and the card reading display terminal (10) is in data communication with the RFID temperature tag (30) through the acquisition antenna (20).
2. The system of claim 1, wherein: the card reading display terminal (10) at least comprises: the device comprises a display module (101), a processor (102), a memory (103), a frequency generator (104) and a phase-locked loop (105).
3. The system of claim 2, wherein: the card reading display terminal (10) is further provided with an RS485 communication interface and an alarm unit, and when the received temperature information exceeds a preset temperature threshold value, an alarm signal is sent out.
4. The system of claim 1, wherein: the RFID temperature tag (30) comprises a temperature acquisition chip and a transceiving antenna.
5. The system of claim 1, wherein: and an adsorption antenna assembly is arranged on the acquisition antenna (20).
6. The system of claim 5, wherein: the adsorption antenna assembly mounting assembly is a permanent magnet.
7. The system of claim 1, wherein: the RFID temperature tag (30) is externally encapsulated by ceramic.
8. The system of claim 1, wherein: the RFID temperature tags (30) are arranged on inlet and outlet terminals of each low-voltage drawer cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010503979.XA CN111579124A (en) | 2020-06-04 | 2020-06-04 | Low pressure drawer cabinet temperature measurement system based on RFID |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010503979.XA CN111579124A (en) | 2020-06-04 | 2020-06-04 | Low pressure drawer cabinet temperature measurement system based on RFID |
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| Publication Number | Publication Date |
|---|---|
| CN111579124A true CN111579124A (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010503979.XA Pending CN111579124A (en) | 2020-06-04 | 2020-06-04 | Low pressure drawer cabinet temperature measurement system based on RFID |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202632455U (en) * | 2012-05-31 | 2012-12-26 | 德清县供电局 | Anti-theft device for low voltage switchhouse |
| CN102916361A (en) * | 2012-09-29 | 2013-02-06 | 江苏中自电气技术有限公司 | Low-voltage drawer cabinet |
| CN107152710A (en) * | 2016-12-02 | 2017-09-12 | 天津市津安热电有限公司 | A kind of heating network with intelligent online monitoring system |
| CN107831712A (en) * | 2017-10-31 | 2018-03-23 | 国网山东省电力公司沂南县供电公司 | Transformer station's remote supervision system |
| CN208872433U (en) * | 2018-09-21 | 2019-05-17 | 广州供电局有限公司 | Switch cabinet busbar and outlet cable head temperature real-time monitoring device |
-
2020
- 2020-06-04 CN CN202010503979.XA patent/CN111579124A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202632455U (en) * | 2012-05-31 | 2012-12-26 | 德清县供电局 | Anti-theft device for low voltage switchhouse |
| CN102916361A (en) * | 2012-09-29 | 2013-02-06 | 江苏中自电气技术有限公司 | Low-voltage drawer cabinet |
| CN107152710A (en) * | 2016-12-02 | 2017-09-12 | 天津市津安热电有限公司 | A kind of heating network with intelligent online monitoring system |
| CN107831712A (en) * | 2017-10-31 | 2018-03-23 | 国网山东省电力公司沂南县供电公司 | Transformer station's remote supervision system |
| CN208872433U (en) * | 2018-09-21 | 2019-05-17 | 广州供电局有限公司 | Switch cabinet busbar and outlet cable head temperature real-time monitoring device |
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Application publication date: 20200825 |