CN214473342U - Insulating oil filtering quality monitoring device - Google Patents
Insulating oil filtering quality monitoring device Download PDFInfo
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- CN214473342U CN214473342U CN202022206502.3U CN202022206502U CN214473342U CN 214473342 U CN214473342 U CN 214473342U CN 202022206502 U CN202022206502 U CN 202022206502U CN 214473342 U CN214473342 U CN 214473342U
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Abstract
The utility model discloses an insulating oil filtering quality monitoring device, which comprises a main body component; the main body part is electrically connected with the induction part through a communication cable; the main body part comprises a protective shell, a display, a processor, a power supply module, a voltage conversion module and a key scanning circuit, wherein the processor, the power supply module, the voltage conversion module and the key scanning circuit are installed in the protective shell. The main part is connected with the induction part through a communication cable, and then the induction part is fixed on an oil filtering oil tank or a pipeline to monitor the water content and the temperature of the filtered oil in real time, so that the problems of under-filtration and over-filtration caused by the fact that the filtering cannot be stopped during the chemical examination and analysis are solved, the problems can be found in time through the data monitored in real time, whether the machine is stopped or not is determined, and the working efficiency is improved.
Description
Technical Field
The utility model relates to an electrical equipment overhauls the field, concretely relates to insulating oil strain quality monitoring device.
Background
The transformer is one of the most important devices of the transformer substation, the transformer oil is filled in the transformer, internal or external overhaul can be performed in the service life process of the transformer, the insulating oil can be discharged and filled in the overhaul process, the transformer body oil needs to be filtered and filled with oil, the current working procedure is to calculate the ratio of the capacity of an oil filter to the oil quantity of the transformer oil needing to be filtered, determine the filtering time, take an oil sample to a laboratory for testing after reaching the filtering specified time, focus on detecting the water content and the pressure resistance value in the oil, judge the qualified oil quality after meeting the standard and stop the machine for use, but the transformer body oil cannot stop filtering during the testing and analysis, so the filtering blindness occurs; when an oil sample is taken, oil filtering may be unqualified or filtering is qualified, so that the problem of under-filtering or over-filtering is caused, a worker cannot find the oil sample in time, whether shutdown is needed or not is determined according to the problem, transformer oil is filtered again when the oil sample is under-filtered, time is wasted, the working schedule is influenced, the oil temperature is increased, the normal work of a transformer is influenced, and the time is also wasted when the oil sample is over-filtered, and the working schedule is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a temperature and water content of real-time supervision filtration oil show the insulating oil strain quality monitoring device that monitoring data supplied the staff to judge, and the device can improve work efficiency, possesses reliable accuracy simultaneously, and the result of use is showing, effectively solves underfiltering and the cross filtration problem among the insulating oil filtering process.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
an insulating oil filtering quality monitoring device comprises an induction component; the sensing component comprises a shell and a sensor module arranged in the shell; the top of the shell is provided with an interface; the sensor module comprises a temperature sensor and a moisture detection sensor; a detection probe of a temperature sensor and a moisture detection sensor is placed in the interface; also includes a main body component; the main body part is electrically connected with the induction part through a communication cable; the main body part comprises a protective shell, a display, a processor, a power supply module, a voltage conversion module and a key scanning circuit, wherein the processor, the power supply module, the voltage conversion module and the key scanning circuit are arranged in the protective shell; the display is embedded in the surface of the upper part of the protective shell, and a power switch button and a detection switch button are arranged on the lower side of the display; the power switch button is electrically connected with the power module; the detection switch button is electrically connected with the processor; the power supply module is electrically connected with the voltage conversion module; the voltage conversion module is electrically connected with the processor, the temperature sensor, the moisture detection sensor and the display respectively; the processor is respectively and electrically connected with the display, the temperature sensor, the moisture detection sensor and the key scanning circuit.
In the utility model, the power switch button can control the whole device to be opened and closed; the detection switch button can control the whole device to start and analyze in real time and transmit data to the display; the display comprises a liquid crystal display module and an LED display screen electrically connected with the liquid crystal display module; the front end of the interface is provided with a screw thread which can be fixed in an oil filtering oil tank or an oil pipe through threaded connection, so that monitoring probes of a temperature sensor and a moisture detection sensor are in close contact with insulating oil, and the insulating oil is detected and analyzed in real time; the communication cable adopts a 485 communication cable, two ends of the communication cable are provided with quick interfaces, and the quick interfaces transmit sensor analysis signals to the main body part; the sensor module adopts an OMT200 sensor module, analyzes moisture in insulating oil and temperature in the oil, converts the moisture and the temperature into electric signals and transmits the electric signals to an STM32 microprocessor and a peripheral circuit; the key scanning circuit is a timing scanning circuit, and the STM32 microprocessor and the peripheral circuit receive the analysis data of the OMT200 sensor module according to the specified time; the processor adopts STM32 microprocessor and peripheral circuit, STM32 microprocessor and peripheral circuit can receive OMT200 sensor module real-time data through 485 communication cable, scan the signal instruction through the key sweep circuit timing, get the number to OMT200 sensor module timing, analysis result data passes to the display through 232 communication winding displacement.
The power module adopts a 12V lithium battery, and a 12V power supply provides electric energy for the system; the voltage conversion module is an electronic voltage conversion circuit, transforms voltage of a 12V power supply, boosts the voltage to 24V to supply power for the OMT200 sensor module, reduces the voltage to 5V to supply power for the liquid crystal display module, and reduces the voltage to 3.3V to supply power for the STM32 microprocessor and peripheral circuits.
As a further technical improvement, the bottom of the main body part is provided with a communication cable interface A; the communication cable interface A is movably connected with one end of a communication cable. The communication cable interface A is used for facilitating the use of a communication cable, and is plugged.
As a further technical improvement, a communication cable interface B is arranged at the bottom of the induction component; the other end of the communication cable interface B is movably connected. The communication cable interface B is used for facilitating the use of a communication cable, and is convenient to pull and plug.
As a further technical improvement, the lower part of the protective shell is provided with a handle. The handle is designed according to human engineering and is convenient to hold by hands.
The utility model discloses a theory of operation:
the interface is connected into an oil filtering tank or an oil pipe by a user, so that monitoring probes of a temperature sensor and a moisture detection sensor are in close contact with insulating oil, a power switch button is pressed to start the whole device, and a power module respectively provides power for a processor, the temperature sensor, the moisture detection sensor and a display; pressing a detection switch button, and starting real-time monitoring on the humidity and the temperature of the filtered oil by a temperature sensor and a moisture detection sensor; the processor receives the data signals of the humidity and the temperature detected by the temperature sensor and the moisture detection sensor at regular time through the key scanning circuit, analyzes the data and transmits the analysis result data to the display for displaying.
Compared with the prior art, the utility model has the advantages and beneficial effect as follows:
1. the utility model discloses the main part passes through communication cable and connects response part, fixes response part again and carries out real-time supervision to the water content and the temperature of crossing the filter oil on oil strain oil tank or pipeline, can not stop filtering the problem of underfiltering and cross the filteration that produces during the solution chemical examination analysis, and data through real-time supervision can in time discover the problem, decide whether to shut down, improve work efficiency.
2. The utility model discloses a processor sweeps the real-time data signal of humidity and temperature that the circuit regularly received temperature sensor and moisture detection sensor and detected through the key and carries out data analysis, and the analysis result data transmission shows in real time on to the display again, supplies the staff to refer to the judgement, and detection effect is good, and measuring result is reliable.
3. The utility model discloses a detachable's communication cable, whole device easy dismounting, it is small, light in weight, portable.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a flow chart of the present invention.
Fig. 3 is a flow chart of the detection of the present invention.
The attached drawings are as follows:
the key scanning circuit comprises a protective shell 1, a display 2, a power switch button 3, a detection switch button 4, a communication cable interface A5, a communication cable 6, a sensing component 7, a processor 8, a power module 9, a voltage conversion module 10, a sensor module 11 and a key scanning circuit 12.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 and 2, an insulating oil filter quality monitoring device comprises a main body component and a sensing component 7; the main body part is electrically connected with the induction part 7 through a communication cable 6; the sensing component 7 comprises a shell and a sensor module 11 arranged in the shell; the top of the shell is provided with an interface; the sensor module 11 comprises a temperature sensor and a moisture detection sensor; a detection probe of a temperature sensor and a moisture detection sensor is placed in the interface; the main body part comprises a protective shell 1, a display 2, a processor 8, a power module 9, a voltage conversion module 10 and a key scanning circuit 12, wherein the processor 8, the power module 9, the voltage conversion module 10 and the key scanning circuit are arranged in the protective shell 1; the display 2 is embedded on the surface of the upper part of the protective shell 1, and a power switch button 3 and a detection switch button 4 are arranged on the lower side of the display 2; the power switch button 3 is electrically connected with the power module 9; the detection switch button 4 is electrically connected with the processor 8; the power module 9 is electrically connected with the voltage conversion module 10; the voltage conversion module 10 is respectively electrically connected with the processor 8, the temperature sensor, the moisture detection sensor and the display 2; the processor 8 is electrically connected with the display 2, the temperature sensor, the moisture detection sensor and the key scanning circuit 12 respectively.
The power switch 3 button can control the whole device to be turned on and off; the detection switch button 4 can control the whole device to start real-time analysis and transmit data to a display; the display 2 comprises a liquid crystal display module and an LED display screen electrically connected with the liquid crystal display module; the front end of the interface is provided with a thread which can be fixed in an oil filtering oil tank or an oil pipe through threaded connection, so that monitoring probes of a temperature sensor and a moisture detection sensor are in close contact with insulating oil, and the insulating oil is detected and analyzed in real time.
As shown in fig. 3, the sensor module 11 adopts an OMT200 sensor module, analyzes moisture in insulating oil and temperature in oil, converts the moisture and temperature into electrical signals, and transmits the electrical signals to an STM32 microprocessor and a peripheral circuit; the key scanning circuit 12 is a timing scanning circuit, and a periodic operation instruction STM32 microprocessor and a peripheral circuit receive analysis data of the OMT200 sensor module according to specified time; the processor 8 adopts STM32 microprocessor and rather than connecting peripheral circuit, STM32 microprocessor and peripheral circuit can receive OMT200 sensor module real-time data through 485 communication cable, scan the signal instruction through key sweep circuit 12 timing, get the data to OMT200 sensor module timing, analysis result data passes to display 2 through 232 communication winding displacement. The power module 9 adopts a 12V lithium battery, and a 12V power supply provides electric energy for the system; the voltage conversion module 10 is an electronic voltage conversion circuit, transforms voltage of a 12V power supply, boosts the voltage to 24V to supply power for the OMT200 sensor module, reduces the voltage to 5V to supply power for the liquid crystal display module and the LED display screen, and reduces the voltage to 3.3V to supply power for the STM32 microprocessor and peripheral circuits.
A user connects the interface into an oil filtering tank or an oil pipe, so that monitoring probes of a temperature sensor and a moisture detection sensor are in close contact with insulating oil, the whole device is started by pressing a power switch button 3, and a power module 9 respectively provides power for a processor 8, the temperature sensor, the moisture detection sensor and a display 2; pressing the detection switch button 4, and starting real-time monitoring on the humidity and the temperature of the filtered oil by the temperature sensor and the moisture detection sensor; the processor 8 receives the data signals of the humidity and the temperature detected by the temperature sensor and the moisture detection sensor at regular time through the key scanning circuit 12, analyzes the data, and transmits the analysis result data to the display 2 for display.
Example 2:
the difference from the embodiment 1 is that the bottom of the main body part is provided with a communication cable interface A5; the communication cable interface A5 is movably connected with one end of the communication cable 6; a communication cable interface B is arranged at the bottom of the induction component 7; the other end of the communication cable interface B is movably connected with the communication cable 6; the communication cable 6 adopts a 485 communication cable, transmits the sensor analysis signal to the main body part, and two ends of the communication cable are respectively provided with a quick interface connected with a cable interface A5 and a cable interface B; the communication cable interface A5 and the communication cable interface B are used for the convenience of plugging and unplugging the communication cable.
The working principle of this embodiment is the same as that of embodiment 1.
Example 3:
the difference from embodiment 1 is that the lower part of the protective casing 1 is provided with a handle. The handle is designed according to human engineering and is convenient to hold by hands.
The working principle of this embodiment is the same as that of embodiment 1.
Claims (4)
1. A quality monitoring device for an insulating oil filter comprises a sensing component (7); the sensing component (7) comprises a shell and a sensor module (11) arranged in the shell; the top of the shell is provided with an interface; the sensor module (11) comprises a temperature sensor and a moisture detection sensor; a detection probe of a temperature sensor and a moisture detection sensor is placed in the interface; the method is characterized in that:
also includes a main body component; the main body part is electrically connected with the induction part (7) through a communication cable (6); the main body part comprises a protective shell (1), a display (2), a processor (8), a power module (9), a voltage conversion module (10) and a key scanning circuit (12), wherein the processor (8), the power module, the voltage conversion module and the key scanning circuit are installed in the protective shell (1); the display (2) is embedded in the surface of the upper part of the protective shell (1), and a power switch button (3) and a detection switch button (4) are arranged on the lower side of the display (2); the power switch button (3) is electrically connected with the power module (9); the detection switch button (4) is electrically connected with the processor (8); the power supply module (9) is electrically connected with the voltage conversion module (10); the voltage conversion module (10) is respectively and electrically connected with the processor (8), the temperature sensor, the moisture detection sensor and the display (2); the processor (8) is respectively and electrically connected with the display (2), the temperature sensor, the moisture detection sensor and the key scanning circuit (12).
2. The insulating oil filtration quality monitoring device according to claim 1, characterized in that: the bottom of the main body part is provided with a communication cable interface A (5); the communication cable interface A (5) is movably connected with one end of a communication cable (6).
3. The insulating oil filtration quality monitoring device according to claim 1, characterized in that: a communication cable interface B is arranged at the bottom of the induction component (7); the other end of the communication cable interface B is movably connected with the other end of the communication cable (6).
4. The insulating oil filtration quality monitoring device according to claim 1, characterized in that: the lower part of the protective shell (1) is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022206502.3U CN214473342U (en) | 2020-09-30 | 2020-09-30 | Insulating oil filtering quality monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022206502.3U CN214473342U (en) | 2020-09-30 | 2020-09-30 | Insulating oil filtering quality monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214473342U true CN214473342U (en) | 2021-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022206502.3U Active CN214473342U (en) | 2020-09-30 | 2020-09-30 | Insulating oil filtering quality monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214473342U (en) |
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2020
- 2020-09-30 CN CN202022206502.3U patent/CN214473342U/en active Active
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