CN210664826U - Generator outlet circuit breaker temperature measuring device based on radio frequency technology - Google Patents
Generator outlet circuit breaker temperature measuring device based on radio frequency technology Download PDFInfo
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- CN210664826U CN210664826U CN201922074363.0U CN201922074363U CN210664826U CN 210664826 U CN210664826 U CN 210664826U CN 201922074363 U CN201922074363 U CN 201922074363U CN 210664826 U CN210664826 U CN 210664826U
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Abstract
The utility model discloses a generator export circuit breaker temperature measuring device based on radio frequency technology relates to the circuit breaker and generates heat and detect technical field, and it is inconvenient to current engine export circuit breaker temperature test, and unable real-time supervision's problem adopts including temperature measurement label, data reading and display element, and wherein the fixed setting of temperature measurement label is on the part surface that generates heat of being surveyed the circuit breaker. The temperature measurement label obtains the electric energy from the data reading and display unit in a wireless mode, is in data connection with the data reading and display unit in a wireless mode, and sends the temperature information of the heating component of the tested circuit breaker to the data reading and display unit. The utility model discloses can be in real time, contactless acquire the temperature information of circuit breaker, its expansibility is good, can effective management, and passive data acquisition, wireless data transmission simple to operate moreover, and the instantaneity is strong, and the installation is simple not need too much to maintain or even exempt from to maintain, is applicable to very much the upgrading transformation of current traditional engine outlet circuit breaker.
Description
Technical Field
The utility model relates to a circuit breaker generates heat and detects technical field, in particular to generator export circuit breaker temperature measuring device based on radio frequency technology.
Background
The generator outlet circuit breaker is a switch for outputting electric energy of the generator, and the reliable closing state of the generator outlet circuit breaker can be indirectly reflected by the operating temperature. The main heating part of the generator outlet breaker is positioned on the tentacle spring and the bus copper bar. When the generator outlet breaker normally operates, a large current can pass through, when the current fluctuates, the fluctuation of the temperature can be generated immediately, when the temperature rises too fast or reaches a warning value, if corresponding measures are not taken immediately, problems are likely to occur, and a malignant power failure accident is caused. Therefore, it is necessary to realize real-time online monitoring of the temperature of the generator outlet breaker.
At present, no economical and practical method and means are available for monitoring the temperature of the contact of the generator outlet circuit breaker. Very few advanced outlet circuit breakers are equipped with optical fiber temperature measuring devices, which are costly and complex in circuitry and not very well suited for use. Most hydropower stations adopt manual hand-held infrared thermometers to complete, although the infrared thermometers have the advantages of non-contact type, wide measurement range, high temperature measurement speed and the like, the generator outlet circuit breaker is a fully-closed device, the infrared thermometers can only test the internal temperature through an organic glass observation window, the error is very large, and the effect is very poor. In addition, the infrared thermometer does not have a real-time monitoring function, and can not find and record problems and accidents in time. Therefore, a simple and feasible device for monitoring the operating temperature of the generator outlet circuit breaker is urgently needed in engineering.
Disclosure of Invention
In order to solve the above problem, the utility model discloses a following technical scheme realizes:
a temperature measuring device of a generator outlet circuit breaker based on a radio frequency technology comprises a temperature measuring label and a data reading and displaying unit;
the temperature measurement tag is fixedly arranged on the surface of a heating component of the tested circuit breaker;
the temperature measurement tag acquires electric energy from the data reading and displaying unit in a wireless mode, is in data connection with the data reading and displaying unit in a wireless mode, and sends temperature information of a heating component of the tested circuit breaker to the data reading and displaying unit.
Preferably, the data reading and displaying unit comprises a radio frequency antenna, a reader and an on-site display module;
the radio frequency antenna is electrically connected with the reader, the reader is electrically connected with the on-site display module, and the radio frequency antenna is used for transmitting radio waves and providing electric energy and communication signals for the temperature measurement tag; the reader is used for reading the data sent by the temperature measurement tag and performing data processing; the reader is used for displaying the temperature value detected by the temperature measurement label.
Preferably, the heat generating component of the tested circuit breaker comprises a spring contact and a copper bar nut.
Preferably, the temperature measurement tag is a watchband type RFID passive temperature measurement tag or a tuning fork type RFID passive temperature measurement tag.
Preferably, the temperature measurement tag comprises a temperature sensor, a wireless radio frequency I/O module for the tag, and a radio frequency charging power supply module, wherein the radio frequency charging power supply module is electrically connected with the temperature sensor and the wireless radio frequency I/O module for the tag, respectively, and the temperature sensor is connected with the wireless radio frequency I/O module for the tag.
Preferably, the reader is IP65 protection grade, the working environment temperature range is-40 to +85, and a built-in battery can be arranged.
The utility model discloses following beneficial effect has:
1) the expansibility is good: the installation of this device's the wireless collection module of RFID is off-line, and the network layout is not restricted by distance and power, and the extension of being convenient for reads the ware and connects the cable and can realize data transmission, and local acquisition unit carries out radio communication through self peculiar ID number and data processing terminal (portable version), and the frequency is high, transmits soon.
2) And (3) effective management: each RFID wireless acquisition module of the system works independently, and different unit data are provided with specific ID numbers so as to provide effective management. Meanwhile, the data processing terminal can also transmit data through a local area network and a wide area network, and workers can monitor data uploaded by the terminal on the cloud platform in real time.
3) Passive data acquisition: the working power supply of the sensor depends on UHF RFID radio frequency induction energy or battery power supply, and a wired power supply is not needed;
4) wireless data transmission: the sensor is wirelessly connected with the acquisition equipment, so that the reliability is high and the reading distance is long.
5) The real-time performance is strong: the system can perform online measurement, can monitor the temperature parameter change of equipment in real time, performs non-contact identification, and has extremely high reading speed; the real-time alarm can be realized, and early warning can be performed in advance according to the data change trend, so that the accident expansion is avoided.
6) The installation is simple: the sensor is small in size, is in wireless connection with the collector, and is flexible and convenient to install and wire.
7) Maintenance-free: the sensor chip is made of quartz semiconductor material, has stable physical and chemical properties and long service life, and reduces the manufacturing cost of the system.
Drawings
Fig. 1 is a schematic diagram of a frame of a temperature measurement tag and a data reading and displaying unit provided by the present invention;
fig. 2 is a schematic diagram of an embodiment provided by the present invention.
In the drawings, the respective reference numerals designate:
1. an RFID passive temperature measurement tag; 2. a radio frequency antenna; 3. a reader; 4. an in-place display module; 5. an outlet circuit breaker tentacle; 6. a watchband type RFID passive temperature measurement label; 7. a tuning fork type RFID passive temperature measurement tag; 8. a circuit breaker panel cabinet; 9. a wireless radio frequency signal; 10. a radio frequency antenna; 11. a fiber optic signal; 12. a reader; 13. in-place displays.
A generator outlet circuit breaker temperature measuring device working principle based on radio frequency identification technology, 1, passive temperature measuring label; 2. a radio frequency antenna; 3. a reader; 4. an in-place display module.
A temperature measuring device of a generator outlet circuit breaker based on radio frequency identification technology is composed of a watchband type RFID passive temperature measuring tag 6; 7. a tuning fork type RFID passive temperature measurement tag; 10. a radio frequency antenna; 12. a reader; 13. in-place displays.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be described in detail and completely with reference to fig. 1 and 2 of the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.
A temperature measuring device of a generator outlet circuit breaker based on a radio frequency technology comprises a temperature measuring label and a data reading and displaying unit. Wherein, in order to save the design cost, the temperature measurement label can be referenced or the utility model discloses a public notice number is CN 206558135U's a passive temperature measurement electron data plate based on RFID technique for the cover. The temperature measurement label is fixed to be set up on the surface of the heating part of the circuit breaker under test, for example, the easy heating parts such as spring contact, copper bar nut of circuit breaker. The temperature measurement label obtains the electric energy from the data reading and display unit in a wireless mode, is in data connection with the data reading and display unit in a wireless mode, and sends the temperature information of the heating component of the tested circuit breaker to the data reading and display unit. The data reading and displaying unit can be a hand-held integrated type or other types, and the integrated hand-held type can also be used for reference of the prior art or the design of the prior product.
In order to be more convenient to adapt to the working condition requirements of the hydropower station and to be capable of more efficiently realizing energy supply and timely monitoring, in one embodiment, the data reading and displaying unit and the temperature measuring label are optimized. As shown in fig. 1, the data reading and displaying unit includes a radio frequency antenna 2, a reader 3, and an in-situ display module 4. The radio frequency antenna 2 is electrically connected with the reader 3, the reader 3 is electrically connected with the local display module 4, and the radio frequency antenna 2 is used for transmitting radio waves and providing electric energy and communication signals for the temperature measurement tag 1; the reader 3 is used for reading the data sent by the temperature measurement tag 1 and processing the data; the reader 3 is used for displaying the temperature value detected by the temperature measuring label 1.
The reader 3 is IP65 protection grade, the working environment temperature range is-40 to +85, and a built-in battery can be arranged.
The temperature measurement label 1 comprises a temperature sensor, a label wireless radio frequency I/O module and a radio frequency charging power supply module, wherein the radio frequency charging power supply module is respectively and electrically connected with the temperature sensor and the label wireless radio frequency I/O module, and the temperature sensor is connected with the label wireless radio frequency I/O module.
For convenience of fixing, as shown in fig. 2, the temperature measurement tag 1 is configured as a watchband type RFID passive temperature measurement tag 6 and a tuning fork type RFID passive temperature measurement tag 7. Wherein the watchband type RFID passive temperature measurement label 6 is only used for winding and fixing, and the tuning fork type RFID passive temperature measurement label 7 is suitable for plane laminating and fixing.
More specifically, watchband formula temperature measurement label is binded on the main position that generates heat of the spring contact of circuit breaker A, B, C three-phase, and tuning fork formula temperature measurement label is fixed in on the circuit breaker switch cabinet A, B, C three-phase outlet copper bar nut respectively. The receiving and transmitting surface phase temperature measurement label of the radio frequency antenna is installed in a place convenient to fix. The reader is mounted on a coaxial cable line and the reader is powered by a 24V power connection. The in-situ display is arranged at the door of the switch cabinet of the circuit breaker and is convenient to check, the in-situ display is connected with a 24V power supply for power supply, and the reader is connected with the antenna through an optical fiber signal wire.
Firstly, temperature data signals collected by the temperature measurement tags are transmitted to the antenna through wireless radio frequency, the antenna collects all signals collected by the temperature measurement tags and transmits the signals to the reader through an optical fiber signal transmission mode, and the reader stores, analyzes and calculates data and transmits the data to the local display through a data line. The antenna transmits radio frequency signals to the temperature measurement label for charging the temperature measurement label.
As shown in figure 1, the RFID passive temperature measurement tag mainly comprises a temperature sensor, a wireless radio frequency I/O module and a power module, and realizes the functions of collecting, temporarily storing and wirelessly transmitting the operating temperature of a contact of a generator outlet circuit breaker and a copper bar. The radio frequency antenna mainly comprises a radio frequency I/O module and a radio frequency power supply module and is used for receiving radio frequency signals of the temperature measurement tag and charging the temperature measurement tag. The reader mainly comprises a data controller, a wireless radio frequency I/O module and a power supply module, and is mainly used for receiving temperature measurement data transmitted by an antenna through optical fibers, storing, analyzing and calculating the data, and transmitting the processed data to a local display. The local display is a touch display, and can realize the instruction operation of a user interface.
The device has the following characteristics:
1) the expansibility is good: the installation of this device's the wireless collection module of RFID is off-line, and the network layout is not restricted by distance and power, and the extension of being convenient for reads the ware and connects the cable and can realize data transmission, and local acquisition unit carries out radio communication through self peculiar ID number and data processing terminal (portable version), and the frequency is high, transmits soon.
2) And (3) effective management: each RFID wireless acquisition module of the system works independently, and different unit data are provided with specific ID numbers so as to provide effective management. Meanwhile, the data processing terminal can also transmit data through a local area network and a wide area network, and workers can monitor data uploaded by the terminal on the cloud platform in real time.
3) Passive data acquisition: the working power supply of the sensor depends on UHF RFID radio frequency induction energy or battery power supply, and a wired power supply is not needed;
4) wireless data transmission: the sensor is wirelessly connected with the acquisition equipment, so that the reliability is high and the reading distance is long.
5) The real-time performance is strong: the system can perform online measurement, can monitor the temperature parameter change of equipment in real time, performs non-contact identification, and has extremely high reading speed; the real-time alarm can be realized, and early warning can be performed in advance according to the data change trend, so that the accident expansion is avoided.
6) The installation is simple: the sensor is small in size, is in wireless connection with the collector, and is flexible and convenient to install and wire.
7) Maintenance-free: the sensor chip is made of quartz semiconductor material, has stable physical and chemical properties and long service life, and reduces the manufacturing cost of the system.
Claims (6)
1. A temperature measuring device of a generator outlet circuit breaker based on a radio frequency technology is characterized by comprising a temperature measuring label and a data reading and displaying unit;
the temperature measurement tag is fixedly arranged on the surface of a heating component of the tested circuit breaker;
the temperature measurement tag acquires electric energy from the data reading and displaying unit in a wireless mode, is in data connection with the data reading and displaying unit in a wireless mode, and sends temperature information of a heating component of the tested circuit breaker to the data reading and displaying unit.
2. The generator outlet circuit breaker temperature measuring device based on the radio frequency technology as claimed in claim 1, wherein:
the data reading and displaying unit comprises a radio frequency antenna, a reader and an on-site display module;
the radio frequency antenna is electrically connected with the reader, the reader is electrically connected with the on-site display module, and the radio frequency antenna is used for transmitting radio waves and providing electric energy and communication signals for the temperature measurement tag; the reader is used for reading the data sent by the temperature measurement tag and performing data processing; the reader is used for displaying the temperature value detected by the temperature measurement label.
3. The generator outlet circuit breaker temperature measuring device based on the radio frequency technology as claimed in claim 1, wherein:
the heating component of the tested circuit breaker comprises a spring contact and a copper bar nut.
4. The generator outlet circuit breaker temperature measuring device based on the radio frequency technology as claimed in claim 1, wherein:
the temperature measurement label is a watchband type RFID passive temperature measurement label or a tuning fork type RFID passive temperature measurement label.
5. The generator outlet circuit breaker temperature measuring device based on the radio frequency technology as claimed in claim 1, wherein:
the temperature measurement tag comprises a temperature sensor, a wireless radio frequency I/O module for the tag and a radio frequency charging power supply module, wherein the radio frequency charging power supply module is respectively and electrically connected with the temperature sensor and the wireless radio frequency I/O module for the tag, and the temperature sensor is connected with the wireless radio frequency I/O module for the tag.
6. The generator outlet circuit breaker temperature measuring device based on the radio frequency technology as claimed in claim 2, wherein:
the reader is IP65 protection grade, the working environment temperature range is-40 to +85, and a built-in battery can be arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922074363.0U CN210664826U (en) | 2019-11-27 | 2019-11-27 | Generator outlet circuit breaker temperature measuring device based on radio frequency technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922074363.0U CN210664826U (en) | 2019-11-27 | 2019-11-27 | Generator outlet circuit breaker temperature measuring device based on radio frequency technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210664826U true CN210664826U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922074363.0U Active CN210664826U (en) | 2019-11-27 | 2019-11-27 | Generator outlet circuit breaker temperature measuring device based on radio frequency technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210664826U (en) |
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2019
- 2019-11-27 CN CN201922074363.0U patent/CN210664826U/en active Active
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