CN210201555U - On-line monitoring device for on-column variation comprehensive performance parameters - Google Patents
On-line monitoring device for on-column variation comprehensive performance parameters Download PDFInfo
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- CN210201555U CN210201555U CN201920692218.6U CN201920692218U CN210201555U CN 210201555 U CN210201555 U CN 210201555U CN 201920692218 U CN201920692218 U CN 201920692218U CN 210201555 U CN210201555 U CN 210201555U
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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
- Y04S10/40—Display of information, e.g. of data or controls
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Abstract
The utility model discloses a become comprehensive properties parameter on-line monitoring device on post, including current conversion unit, voltage conversion unit, electric current and voltage acquisition unit, oil temperature measuring unit, oil level measuring unit, transformer core temperature rise measuring unit, microprocessor unit, display element, memory cell, communication interface unit and electrical unit. The utility model discloses a physical quantities such as online measurement pole-mounted transformer voltage, electric current, active power, reactive power, voltage harmonic, current harmonic, transformer oil temperature, transformer oil level can know pole-mounted transformer running state in real time, and the pole-mounted transformer potential safety hazard in the guarantee operation prevents in advance, has important meaning to the guarantee power supply safety.
Description
Technical Field
The utility model belongs to the technical field of smart power grids, a can realize on-line monitoring's device to transformer comprehensive properties parameter on the post, specifically be a become comprehensive properties parameter on-line monitoring device on the post.
Background
Along with the construction of national rural electric network, the pole transformer has generally been used, but along with the requirement that the country put forward the construction smart power grids, realize that pole transformer intellectuality has become future development trend, for this reason the utility model provides a pole becomes comprehensive properties parameter on-line monitoring device, the device can measure information such as pole transformer voltage, electric current, active power, reactive power, voltage harmonic, current harmonic, transformer oil temperature, transformer oil level to can set for wantonly to above-mentioned information limit value, surpass the setting value and will send alarm information, become safe work effectively to the guarantee pole and have important meaning.
Disclosure of Invention
The utility model aims at the problem that prior art exists, provide a become comprehensive properties parameter on-line monitoring device on post, can know transformer running state on the post in real time, can ensure the potential safety hazard prevention in advance on the post in the operation, have important meaning to the guarantee power supply safety.
In order to achieve the above object, the utility model adopts the following technical scheme:
the on-line monitoring device for the pole-to-pole comprehensive performance parameters comprises a current conversion unit, a voltage conversion unit, a current and voltage acquisition unit, an oil temperature measuring unit, an oil level measuring unit, a transformer iron core temperature rise measuring unit, a microprocessor unit, a display unit, a storage unit, a communication interface unit and a power supply unit; the output ends of the current conversion unit and the voltage conversion unit are respectively connected with the input ends of the current and voltage acquisition units, and the output ends of the current and voltage acquisition units are connected with an A/D port of the input end of the microprocessor unit; the input end of the display unit is connected with the I/O port of the output end of the microprocessor unit; the input end of the storage unit is connected with the output end interface of the microprocessor unit; the output end of the power supply unit is connected with a power supply interface corresponding to the microprocessor unit; the output end of the oil level measuring unit is connected with an A/D port of the input end of the microprocessor unit; the output end of the communication interface unit is connected with the corresponding communication interface of the microprocessor unit; the output ends of the oil temperature measuring unit and the transformer core temperature rise measuring unit are respectively connected with an A/D port of the input end of the microprocessor unit.
Preferably, the current and voltage acquisition unit employs an IDT90E36 module. The IDT90E36 module can directly realize the direct measurement of parameters such as voltage, current, active power, reactive power, voltage harmonic, current harmonic, and the measurement accuracy can reach 0.5 level.
Preferably, the oil temperature measuring unit employs a PT100 temperature sensor.
Preferably, the temperature rise measuring unit of the transformer core adopts a PT100 temperature sensor.
Preferably, the oil level measuring unit adopts a float type oil level gauge.
Preferably, the microprocessor unit adopts an STM32 singlechip.
Preferably, the display unit adopts a touch color liquid crystal screen.
Preferably, the storage unit is stored by an SD card or a U disk. The input end of the storage unit is connected with the output end interface of the microprocessor unit, and the output end of the storage unit is connected with the input end A/D port of the microprocessor unit.
Preferably, the communication interface unit adopts an RS485 module. The output end of the communication interface unit is connected with the corresponding communication interface of the microprocessor unit, and the input end of the communication interface unit is connected with the corresponding communication interface of the microprocessor unit.
Preferably, the power supply unit is in the form of a switching power supply, and the input voltage is 110-265VAC/DC and the output voltage is 5 VDC.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model can real-timely know the running state of the transformer on the column by online measuring the physical quantities such as the voltage, the current, the active power, the reactive power, the voltage harmonic wave, the current harmonic wave, the oil temperature of the transformer, the oil level of the transformer and the like of the transformer on the column, and has important significance for guaranteeing the power supply safety; the utility model can store the motion history data through the storage unit, thereby facilitating the problem analysis afterwards; the utility model can realize remote data communication and remote monitoring by reserving the communication interface; the utility model discloses utilize electric current and voltage acquisition unit, adopt IDT90E36 module can directly realize the direct measurement of voltage, electric current, active power, reactive power, voltage harmonic, electric current harmonic isoparametric promptly, and measurement accuracy can reach 0.5 level.
Drawings
Fig. 1 is a schematic structural diagram of the present invention according to an embodiment.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, an on-line monitoring device for pole-to-pole comprehensive performance parameters includes a current conversion unit 1, a voltage conversion unit 2, a current and voltage acquisition unit 3, an oil temperature measurement unit 4, an oil level measurement unit 6, a transformer core temperature rise measurement unit 5, a microprocessor unit 7, a display unit 8, a storage unit 9, a communication interface unit 10, and a power supply unit 11; the output ends of the current conversion unit 1 and the voltage conversion unit 2 are respectively connected with the input end of a current and voltage acquisition unit 3, and the output end of the current and voltage acquisition unit 3 is connected with an A/D port of the input end of a microprocessor unit 7; the input end of the display unit 8 is connected with the I/O port of the output end of the microprocessor unit 7; the input end of the storage unit 9 is connected with the output end interface of the microprocessor unit 7; the output end of the power supply unit 11 is connected with a power supply interface corresponding to the microprocessor unit 7; the output end of the oil level measuring unit 6 is connected with an A/D port of the input end of the microprocessor unit 7; the output end of the communication interface unit 10 is connected with the corresponding communication interface of the microprocessor unit 7; the output ends of the oil temperature measuring unit 4 and the transformer core temperature rise measuring unit 5 are respectively connected with an A/D port of the input end of the microprocessor unit 7.
In particular, the current and voltage acquisition unit 3 employs an IDT90E36 module. The IDT90E36 module can directly realize the direct measurement of parameters such as voltage, current, active power, reactive power, voltage harmonic, current harmonic, and the measurement accuracy can reach 0.5 level.
Specifically, the current conversion unit 1 is 100A: 5A or 2000A: 5A current transformer.
Specifically, the voltage conversion unit 2 is 10 kV: 220V voltage transformer.
Specifically, the oil temperature measuring unit 4 employs a PT100 temperature sensor.
Specifically, the transformer core temperature rise measuring unit 5 adopts a PT100 temperature sensor.
Specifically, the oil level measuring unit 6 employs a float type oil level gauge.
Specifically, the microprocessor unit 7 adopts an STM32 single chip microcomputer.
Specifically, the display unit 8 adopts a touch color liquid crystal screen.
Specifically, the storage unit 9 adopts an SD card or a usb disk for storage. The input end of the storage unit 9 is connected with the output end interface of the microprocessor unit 7, and the output end of the storage unit 9 is connected with the input end A/D port of the microprocessor unit 7.
Specifically, the communication interface unit 10 adopts an RS485 module. The output end of the communication interface unit 10 is connected with the corresponding communication interface of the microprocessor unit 7, and the input end of the communication interface unit 10 is connected with the corresponding communication interface of the microprocessor unit 7.
Specifically, the power supply unit 11 is in the form of a switching power supply, and outputs 5VDC with an input voltage of 110-265 VAC/DC.
The utility model discloses a theory of operation is: the voltage conversion unit 2 converts alternating current voltage of the pole-mounted transformer into voltage meeting the acquisition requirement of the IDT90E36 module, the current conversion unit 1 converts alternating current of the pole-mounted transformer into current meeting the acquisition requirement of the IDT90E36 module, the IDT90E36 module (namely the current and voltage acquisition unit 3) respectively acquires voltage and current, direct measurement of physical parameters such as voltage, current, active power, reactive power, voltage harmonic, current harmonic and the like is realized, and measurement data of the IDT90E36 module are transmitted to the microprocessor unit 7; the oil temperature measuring unit 4 and the transformer core temperature rise measuring unit 5 respectively adopt a PT100 temperature sensor to collect temperature and transmit collected temperature data to the microprocessor unit 7; the oil level measuring unit 6 adopts a float type oil level gauge for measuring and transmits measured oil level data to the microprocessor unit 7; the microprocessor unit 7 processes the measurement data transmitted by the current and voltage acquisition unit 3, the oil temperature measurement unit 4, the transformer core temperature rise measurement unit 5 and the oil level measurement unit 6, stores the data through the storage unit 9, is convenient for problem analysis afterwards, displays the data through the display unit 8, is convenient for the working personnel to observe the running state of the pole-mounted transformer in real time, and carries out remote data interaction through the communication interface unit 10, thereby realizing remote data communication and remote monitoring.
The utility model can real-timely know the running state of the transformer on the column by online measuring the physical quantities such as the voltage, the current, the active power, the reactive power, the voltage harmonic wave, the current harmonic wave, the oil temperature of the transformer, the oil level of the transformer and the like of the transformer on the column, and has important significance for guaranteeing the power supply safety; the utility model can store the motion history data through the storage unit 9, which is convenient for problem analysis afterwards; the utility model can realize remote data communication and remote monitoring by reserving the communication interface; the utility model discloses utilize electric current and voltage acquisition unit 3, adopt IDT90E36 module can directly realize the direct measurement of voltage, electric current, active power, reactive power, voltage harmonic, electric current harmonic isoparametric promptly, and measurement accuracy can reach 0.5 level.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The on-line monitoring device for the pole-to-pole comprehensive performance parameters is characterized by comprising a current conversion unit, a voltage conversion unit, a current and voltage acquisition unit, an oil temperature measurement unit, an oil level measurement unit, a transformer iron core temperature rise measurement unit, a microprocessor unit, a display unit, a storage unit, a communication interface unit and a power supply unit; the output ends of the current conversion unit and the voltage conversion unit are respectively connected with the input ends of the current and voltage acquisition units, and the output ends of the current and voltage acquisition units are connected with an A/D port of the input end of the microprocessor unit; the input end of the display unit is connected with the I/O port of the output end of the microprocessor unit; the input end of the storage unit is connected with the output end interface of the microprocessor unit; the output end of the power supply unit is connected with a power supply interface corresponding to the microprocessor unit; the output end of the oil level measuring unit is connected with an A/D port of the input end of the microprocessor unit; the output end of the communication interface unit is connected with the corresponding communication interface of the microprocessor unit; the output ends of the oil temperature measuring unit and the transformer core temperature rise measuring unit are respectively connected with an A/D port of the input end of the microprocessor unit; the communication interface unit adopts an RS485 module; the current and voltage acquisition unit adopts an IDT90E36 module; the voltage conversion unit converts alternating current voltage of the pole-mounted transformer into voltage meeting the acquisition requirement of the IDT90E36 module, the current conversion unit converts alternating current of the pole-mounted transformer into current meeting the acquisition requirement of the IDT90E36 module, the IDT90E36 module respectively acquires the voltage and the current, direct measurement of physical parameters of the voltage, the current, active power, reactive power, voltage harmonics and current harmonics is realized, and measurement data of the IDT90E36 module are transmitted to the microprocessor unit; the microprocessor unit processes the measurement data transmitted by the current and voltage acquisition unit, the oil temperature measurement unit, the transformer iron core temperature rise measurement unit and the oil level measurement unit, stores the measurement data through the storage unit, is convenient for problem analysis afterwards, displays the measurement data through the display unit, is convenient for a worker to observe the running state of the pole-mounted transformer in real time, and performs remote data interaction through the communication interface unit to realize remote data communication and remote monitoring.
2. The on-line monitoring device for the pole-to-pole comprehensive performance parameters of claim 1, wherein the oil temperature measuring unit adopts a PT100 temperature sensor.
3. The on-line monitoring device for pole-to-pole variation comprehensive performance parameters of claim 1, wherein the transformer core temperature rise measuring unit adopts a PT100 temperature sensor.
4. The on-line monitoring device for on-column variation comprehensive performance parameters of claim 1, wherein the oil level measuring unit adopts a float-type oil level gauge.
5. The on-line monitoring device for the pole-to-pole comprehensive performance parameters of claim 1, wherein the microprocessor unit adopts an STM32 single chip microcomputer.
6. The on-line monitoring device for on-column variation comprehensive performance parameters of claim 1, wherein the display unit adopts a touch color liquid crystal screen.
7. The on-line monitoring device for pole-to-pole performance variation comprehensive parameters of claim 1, wherein the storage unit is stored by an SD card or a U disk.
8. The on-line monitoring device for integrated performance parameters of on-column transformer of claim 1, wherein the power supply unit is in the form of a switching power supply, and has an input voltage of 110-265VAC/DC and an output voltage of 5 VDC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920692218.6U CN210201555U (en) | 2019-05-15 | 2019-05-15 | On-line monitoring device for on-column variation comprehensive performance parameters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920692218.6U CN210201555U (en) | 2019-05-15 | 2019-05-15 | On-line monitoring device for on-column variation comprehensive performance parameters |
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| Publication Number | Publication Date |
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| CN210201555U true CN210201555U (en) | 2020-03-27 |
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| CN201920692218.6U Active CN210201555U (en) | 2019-05-15 | 2019-05-15 | On-line monitoring device for on-column variation comprehensive performance parameters |
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| Country | Link |
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| CN (1) | CN210201555U (en) |
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- 2019-05-15 CN CN201920692218.6U patent/CN210201555U/en active Active
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