CN210837449U - Intelligent early warning system for distribution transformer - Google Patents

Intelligent early warning system for distribution transformer Download PDF

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Publication number
CN210837449U
CN210837449U CN201921852665.XU CN201921852665U CN210837449U CN 210837449 U CN210837449 U CN 210837449U CN 201921852665 U CN201921852665 U CN 201921852665U CN 210837449 U CN210837449 U CN 210837449U
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China
Prior art keywords
temperature sensor
oil level
distribution transformer
microprocessor
early warning
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CN201921852665.XU
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Chinese (zh)
Inventor
候麟
郭宗岳
李峥
王哲
刘安波
刘阔
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Nanyang Power Supply Co of State Grid Henan Electric Power Co Ltd
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Nanyang Power Supply Co of State Grid Henan Electric Power Co Ltd
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Abstract

The utility model discloses a distribution transformer intelligence early warning system, including oil level gaugember, color sensor, temperature sensor and host computer, temperature sensor sets up two, is temperature sensor one and temperature sensor two respectively, the oil level gaugember is tubular oil level gaugember, the lower extreme of oil level gaugember and the lower extreme of temperature sensor one set up in distribution transformer, tubular oil level gaugember upper portion is equipped with the window, set up color sensor through fixing device outside the window, temperature sensor two sets up on the low voltage terminal, the host computer sets up the side of distribution transformer, set up microprocessor, orientation module and communication module in the host computer, orientation module and communication module are connected with the microprocessor electricity respectively, temperature sensor one, color sensor, temperature sensor two are connected with the microprocessor electricity, the utility model discloses can replace the on-the-site inspection of transformer, and monitoring the running state of the transformer in real time and early warning the abnormal state of the transformer.

Description

Intelligent early warning system for distribution transformer
Technical Field
The utility model belongs to the technical field of the electric power system technique and specifically relates to a distribution transformer's intelligent early warning system is related to.
Background
At present, the operation state of a rural distribution network in transformer operation is lack of effective prediction and supervision, the rural distribution network is often subjected to field processing under the condition of abnormal outage, due to the lack of foresight, transformer burning events frequently occur but can not be prevented, unnecessary loss and power failure are caused, the complaint probability is increased, in addition, the inspection work is heavy, manpower and material resources are wasted, and problems such as inspection missing, omission and the like occur occasionally. Through field investigation and research, most transformers are in poor contact due to aging of wiring terminals, so that frequent sparking is caused at low-voltage contacts of the transformers, and lines are burnt due to rapid temperature rise or the lines are burnt due to temperature rise caused by too low oil level of the transformers.
The invention patent application with publication number CN106643880A discloses a transformer operation and maintenance early warning method for an operation and maintenance system, which calculates a temperature alarm coefficient and a current difference ratio of a transformer according to rated parameters of the transformer and transformer operating condition data measured by the operation and maintenance system, and manually inspects the measured transformer operating condition data, further calculates an alarm value of the transformer, and judges the working state of the transformer according to the alarm value of the transformer, thereby timely identifying the abnormal operating condition and data acquisition quality abnormality of the transformer, and helping maintenance personnel timely find out equipment defects.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at prior art not enough, provide a distribution transformer intelligence early warning system, replace the on-the-spot of transformer to patrol and examine, real time monitoring transformer running state and carry out the early warning to transformer abnormal state.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a distribution transformer intelligence early warning system, includes oil level gaugember, color sensor, temperature sensor and host computer, temperature sensor sets up two, is temperature sensor one and temperature sensor two respectively, the oil level gaugember is tubular oil level gaugember, the lower extreme of oil level gaugember and the lower extreme setting of temperature sensor one are in distribution transformer, tubular oil level gaugember upper portion is equipped with the window, set up color sensor through fixing device outside the window, temperature sensor two sets up on the low voltage terminal, the host computer sets up the side at distribution transformer, set up the main control board in the host computer, set up microprocessor, orientation module and communication module on the main control board, orientation module and communication module respectively with the microprocessor electric connection, temperature sensor one, color sensor, temperature sensor two and microprocessor electric connection.
Further, temperature sensor one is optic fibre temperature sensor, the color sensor is TCS3200 color sensor, microprocessor is STM32F103 microprocessor, the location module is the AIR800 module, communication module is the AIR720 module.
Furthermore, the second temperature sensor is a passive wireless temperature sensor, a wireless receiving module is arranged in the host, and the wireless receiving module is connected with the microprocessor.
Further, fixing device includes fixed plate, glass cover and staple bolt, the color sensor sets up on the fixed plate, the glass cover is both ends open-ended shell structure, a terminal surface of glass cover is fixed on the fixed plate, the color sensor is located the glass cover, the window is hugged closely to another terminal surface of glass cover, the fixed plate passes through the staple bolt to be fixed on the oil level gaugember.
Furthermore, two through holes are symmetrically formed in the fixing plate, and the anchor ear penetrates through the two through holes and then is fixed on the oil level indicator.
Furthermore, a waterproof box is arranged outside the host.
The utility model has the advantages that:
1. the intelligent early warning system comprises an oil level gauge, two color sensors, a temperature sensor and a host, wherein the two temperature sensors are respectively a first temperature sensor and a second temperature sensor, one end of the oil level gauge and one end of the first temperature sensor are arranged in the distribution transformer, the oil level and the oil temperature in the transformer can be measured, the oil level gauge is a YW tubular oil level gauge, the other end of the oil level gauge is provided with the color sensors, the oil level is different in height, the color of the upper end of the oil level gauge is different, the color sensors recognize different colors and transmit different signals to play a role of early warning in time, the second temperature sensor is arranged on a low-voltage terminal, the host is arranged on the side face of the distribution transformer, a microprocessor, a positioning module and a communication module are arranged in the host, and the other end of the first temperature sensor, the color sensors, the, Temperature sensor two and with host computer electric connection host computer, through microprocessor, orientation module and communication module, with the behavior such as oil level, oil temperature and the low pressure condition and the position that generate heat a temperature on the cell-phone in real time, when taking place unusually, can in time early warning with communication module, fortune dimension personnel carry out the fixed point reconnaissance according to the position that orientation module instructed, replace the manual work to patrol and examine, use manpower sparingly greatly, effectively prevent abnormal shut down the transport incident.
2. The first temperature sensor is an optical fiber temperature sensor, so that the measurement accuracy is high, the electromagnetic interference is resisted, the safety and the explosion prevention are realized, and the flexibility is good; the color sensor is a TCS3200 color sensor, so that the adaptability is strong, and the color identification is accurate; the microprocessor is an STM32F103 microprocessor, is low in multiple times, powerful in function and low in power consumption, is embedded with a temperature sensor inside, and can conveniently measure the temperature value of the processor; contains abundant communication interfaces and meets various data communication requirements.
3. The temperature sensor II is a passive wireless temperature sensor, a wireless receiving module is arranged in the host, the passive wireless temperature sensor does not need a working circuit, and the passive wireless temperature sensor is simple to mount and more attractive; induction power taking is adopted, a battery does not need to be installed and replaced, and the use is convenient; the lightning impulse is endurable, the applicability is strong, and the service life is long.
4. The fixing device comprises a fixing plate, a glass cover and a hoop, the color sensor is arranged on the fixing plate, the glass cover is of a shell-shaped structure with two open ends, one end face of the glass cover is fixed on the fixing plate, the color sensor is positioned in the glass cover, the other end face of the glass cover is tightly attached to the window, and the color sensor is waterproof and dustproof and does not affect the normal work of the color sensor; the fixed plate is fixed on the oil level gauge through the hoop, and the oil level gauge is simple in structure and low in cost.
5. The anchor ear is detachably connected with the fixed plate, is convenient to mount and is firmly fixed.
6. The host computer sets up the waterproof box outward, prevents that the host computer from intaking, guarantees data transfer's accuracy, increases factor of safety, increases device life.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a fixing plate;
FIG. 3 is a front view of the fixture;
FIG. 4 is a left side view of the fixture;
FIG. 5 is a top view of the fixture;
FIG. 6 is a flow chart illustrating the operation of the present invention;
fig. 7 is a schematic structural diagram of a second embodiment of the present invention;
wherein: 1-distribution transformer, 2-tubular oil level indicator, 3-color sensor, 4-host, 5-temperature sensor I, 6-temperature sensor II, 7-window, 8-low voltage terminal, 9-microprocessor, 10-positioning module, 11-communication module, 12-wireless receiving module, 13-fixing plate, 14-glass cover, 15-hoop, 16-waterproof box and 17-through hole.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
As shown in fig. 1-6, according to a first embodiment of the present invention, the distribution transformer 1 is an oil-immersed transformer, the lower flange of the tubular oil level indicator 2 is welded to the oil tank cover before the distribution transformer 1 is assembled, the oil tank cover of the distribution transformer 1 is provided with a hole, and the connecting flange of the tubular oil level indicator 2 is tightly connected to the lower flange of the oil level indicator by a bolt when the distribution transformer 1 is assembled; the color sensor 3 is a TCS3200 color sensor, the color sensor 3 is fixed on the oil level indicator 2 by a fixing device, the fixing device is as shown in fig. 2-5, the fixing device is composed of a fixing plate 13, a glass cover 14 and a hoop 15, the fixing plate 13 is a cuboid structure, the fixing plate 13 is as shown in fig. 2, two mirror symmetry through holes 17 are punched on the fixing plate 13 by a punching machine, the color sensor is fixed on the fixing plate 13 by glue, the glass cover 14 is a shell structure with openings at two ends, the cuboid shell structure or a cylindrical shell structure can be selected, the cuboid shell structure is adopted in the embodiment, one end face of the glass cover 14 is fixed on the fixing plate 13 by glue, as shown in fig. 3, the color sensor 3 is positioned in the glass cover 14, a hole (marked in the figure) for a connecting line connected with the color sensor 3 to pass through is arranged on the side wall of the glass tube 14, the gap between the hole and the connecting line is sealed by glue. Set up window 7 on the oil level gaugember 2, as shown in fig. 4 and 5, another terminal surface of glass cover 14 makes it laminate with window 7 through cutting machine processing, during the installation, scribble the viscose back with another terminal surface of glass cover 14 and fix on window 7, later with the one end of staple bolt 15 in proper order pass two through-holes 17 after cup joint outside oil level gaugember 2, tighten up staple bolt 15 at last, in order to prevent that the staple bolt from being washed away by the arris of through-hole 17 and breaking, through-hole 17 inclines the setting left right respectively. A second temperature sensor 6 is fixed on each low-voltage terminal 8 in a gluing mode and the like, the second temperature sensor 6 is an NY-MK-D outdoor wireless passive temperature sensor, a first temperature sensor 5 is further installed on the distribution transformer 1, the first temperature sensor 5 is an optical fiber temperature sensor, a probe of the first temperature sensor 5 is embedded into a radial cushion block in the distribution transformer 1, a host 4 is arranged on the side face of the distribution transformer 1, the host 4 consists of a cuboid shell and a main control board, two lugs are symmetrically fixed on the shell through bolts and are angle steel, the lugs are fixed on the side face of the distribution transformer 1 through bolts, a microprocessor 9, a positioning module 10, a communication module 11 and a wireless receiving module 12 are arranged on the main control board, wherein the microprocessor 9 is an STM32F103 microprocessor, the positioning module 10 is an AIR800 module, the communication module 11 is an AIR720 module, and the microprocessor 9 is connected with the positioning module 10, a positioning, The communication module 11 is electrically connected with the wireless receiving module 12, and the other end of the first temperature sensor 5 and the color sensor 3 are electrically connected with the microprocessor 9 through connecting wires.
After the installation is finished, the working process is as shown in fig. 6, the temperature detected by the probe of the temperature sensor I5 and the temperature detected by the temperature sensor II 6 are transmitted to the microprocessor 9, the color detected by the color sensor 3 is also transmitted to the microprocessor 9 through the wireless transmission module 12, the data signal processed by the microprocessor 9 is uploaded to the cloud server through the communication module 11, the mobile phone is provided with an APP matched with the cloud server, the data signal processed by the microprocessor 9 is transmitted to the mobile phone, and the working personnel can monitor the running state of the distribution transformer 1, when the temperature display number or the color in the window detected by the color sensor is abnormal, the communication module 11 sends alarm information to the mobile phone through the short message function, and the worker finds out the position of the communication module 11 sending the short message through the positioning module 10 and goes to the operation and maintenance in time.
Example two
As shown in fig. 7, the utility model discloses a second kind of embodiment, this embodiment and embodiment one differ in that, host computer 4 sets up waterproof box 16 outward, and the hinge door that opens and shuts is passed through to waterproof box 16 side, sets up the lock between the door that opens and shuts and the tank wall, and host computer 4 places in waterproof box, sets up the through-hole on waterproof box 16's the wall, and distribution transformer 1 side is beaten out the screw through the tapping machine, and waterproof box 16 passes through the side of bolt fastening at distribution transformer 1.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims (6)

1. The utility model provides a distribution transformer intelligence early warning system which characterized in that: the oil level meter comprises an oil level meter (2), a color sensor (3), a temperature sensor and a host (4), wherein the temperature sensor is provided with two temperature sensors (5) and two temperature sensors (6), the oil level meter (2) is a tubular oil level meter (2), the lower end of the oil level meter (2) and the lower end of the temperature sensor (5) are arranged in a distribution transformer (1), a window (7) is arranged on the upper part of the tubular oil level meter (2), the color sensor (3) is arranged outside the window (7) through a fixing device, the temperature sensor (6) is arranged on a low-voltage terminal (8), the host (4) is arranged on the side surface of the distribution transformer (1), a main control board is arranged in the host (4), a microprocessor (9), a positioning module (10) and a communication module (11) are arranged on the main control board, the positioning module (10) and the communication module (11) are respectively electrically connected with the microprocessor, and the temperature sensor I (5), the temperature sensor II (6) and the color sensor (3) are respectively electrically connected with the microprocessor (9).
2. The intelligent early warning system for the distribution transformer according to claim 1, wherein the first temperature sensor (5) is an optical fiber temperature sensor, the color sensor (3) is a TCS3200 color sensor, the microprocessor (9) is an STM32F103 microprocessor, the positioning module (10) is an AIR800 module, and the communication module (11) is an AIR720 module.
3. The intelligent early warning system for the distribution transformer according to claim 1, wherein the second temperature sensor (6) is a passive wireless temperature sensor, a wireless receiving module (12) is arranged in the host (4), and the wireless receiving module (12) is electrically connected with the microprocessor (9).
4. The intelligent early warning system for the distribution transformer according to claim 1, wherein the fixing device comprises a fixing plate (13), a glass cover (14) and a hoop (15), the color sensor (3) is arranged on the fixing plate (13), the glass cover (14) is a shell-shaped structure with two open ends, one end face of the glass cover (14) is fixed on the fixing plate (13), the color sensor (3) is located in the glass cover (14), the other end face of the glass cover (14) is tightly attached to the window (7), and the fixing plate (13) is fixed on the oil level indicator through the hoop (15).
5. The intelligent early warning system for the distribution transformer according to claim 4, wherein two through holes (17) are arranged on the fixing plate (13) in a mirror image manner, and the anchor ear (15) penetrates through the two through holes (17) and then is fixed on the oil level indicator (2).
6. The intelligent early warning system for the distribution transformer according to claim 1, wherein a waterproof box (16) is arranged outside the host (4).
CN201921852665.XU 2020-05-08 2020-05-08 Intelligent early warning system for distribution transformer Active CN210837449U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921852665.XU CN210837449U (en) 2020-05-08 2020-05-08 Intelligent early warning system for distribution transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921852665.XU CN210837449U (en) 2020-05-08 2020-05-08 Intelligent early warning system for distribution transformer

Publications (1)

Publication Number Publication Date
CN210837449U true CN210837449U (en) 2020-06-23

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CN201921852665.XU Active CN210837449U (en) 2020-05-08 2020-05-08 Intelligent early warning system for distribution transformer

Country Status (1)

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CN (1) CN210837449U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112731221A (en) * 2020-12-22 2021-04-30 广东电网有限责任公司电力科学研究院 Power transformer winding deformation online monitoring method and device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112731221A (en) * 2020-12-22 2021-04-30 广东电网有限责任公司电力科学研究院 Power transformer winding deformation online monitoring method and device

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