Oil level monitoring safety warning device

Abstract

The utility model discloses an oil level monitoring safety warning device which comprises a low-voltage distribution box and a mobile terminal, a plastic shell is arranged on the front side wall of the low-voltage distribution box, and a partition plate is fixedly connected with an inner cavity of the plastic shell. The abnormal condition of the oil level of the oil conservator of the distribution transformer is found in time through the ultrasonic liquid level detection sensor, prompt information is automatically sent to a designated mobile phone through a short message, maintenance personnel are informed of the abnormal condition of the oil level of the oil conservator of the distribution transformer in time, and therefore the distribution transformer is rapidly maintained and overhauled; transformer operation faults caused by abnormal conditions of the oil level of the oil conservator of the distribution transformer are avoided, and normal life and production power utilization of residents are guaranteed; the device can remotely monitor the condition of the oil level of the oil conservator of the distribution transformer, a convenient platform is provided for maintenance personnel, the working efficiency is effectively improved, and the reliability of power supply is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic monitoring system technical field especially relates to a oil level monitoring safety warning device. BACKGROUND

[0002] The distribution transformer is a kind of transformer that reduces voltage (current) to the frequency same, suitable for electrical equipment working voltage (current), as daily lighting and factory power, generally low voltage is 0.4kV and below, transformer oil plays the role of insulation, heat dissipation, arc extinguishing in it.Power grid is generally installed in relatively remote place, and installed in the number of distribution transformers of city or town is more, the common method for monitoring distribution transformer oil pillow oil level is that artificial on-site inspection is judged whether distribution transformer oil pillow oil level has abnormal condition (lower than or higher than normal value), using this method needs more time and consumes more manpower, if distribution transformer is caused oil pillow oil level abnormal due to abnormal work or oil leakage etc., cannot be found and timely disposed, very easy to cause distribution transformer operation failure, to lead to user power outage, affect the normal life and production of user.For this purpose, we propose a kind of oil level monitoring safety warning device to solve the above problems. SUMMARY

[0003] One of the purposes of the utility model is realized by the following technical scheme:

[0004] An oil level monitoring safety warning device, including low-voltage distribution box and mobile terminal, the front side wall of low-voltage distribution box is provided with plastic shell, and the inner chamber of plastic shell is fixedly connected with partition, the top of partition is equipped with carousel, and the top of carousel is provided with circuit board, GPRS wireless communication module, power supply circuit and information processing unit are set up on the circuit board, the top of GPRS wireless communication module is provided with antenna receiving transmitter.

[0005] The connecting line is connected to the information processing unit, the cavity is formed in the rear side of the carousel, and the insulating tube is inserted and fixed in the bottom center of the carousel and is communicated with the inner chamber of the cavity, the sliding groove is formed in the partition and is matched with the insulating tube, and the bottom end of the insulating tube penetrates the inner chamber of the sliding groove and is fixedly connected with the round plate, the insulating branch pipe is inserted and fixed in the rear side of the insulating tube and is communicated with the inner chamber thereof, and the rear side of the plastic shell is provided with the round hole matched with the insulating branch pipe.

[0006] The other end of the insulating branch pipe penetrates through the round hole and extends to the inner cavity of the low-voltage distribution box, the other end of the connecting wire penetrates through the top of the rotating disc and the inner cavity of the insulating pipe, extends to the inner cavity of the insulating branch pipe, and is fixedly connected with the ultrasonic liquid level detection sensor, the inner cavity of the plastic shell is fixedly connected with two front and rear support plates distributed at the bottom near the front side, and the top of the two support plates is fixedly connected with the same mounting shell, the inner cavity of the mounting shell is provided with an electric telescopic rod, the power end of the electric telescopic rod is fixedly connected with a motor shell, the inner cavity of the motor shell is provided with a servo motor, the top of the motor shell is fixedly connected with a sealing bearing, and the inner cavity of the sealing bearing is rotatably connected with a transmission shaft, the top end of the transmission shaft is fixedly connected with the bottom center of the round plate, and the bottom end of the transmission shaft is fixedly connected with the power output end of the servo motor.

[0007] Through the setting of the electric telescopic rod, the motor shell can be driven to move horizontally and longitudinally, so that the insulating branch pipe can be driven to move telescopically, and then when overhauled, the insulating branch pipe can be pulled into the inner cavity of the plastic shell, so as to facilitate the overhaul and maintenance of the ultrasonic liquid level detection sensor.

[0008] Further, the inner cavity of the plastic shell is provided with an electro-hydraulic push rod at the rear side of the bottom, and the power end of the electro-hydraulic push rod is fixedly connected with a baffle, the baffle is located directly below the inner side of the round hole, and the baffle is arranged in close contact with the rear side wall of the inner cavity of the plastic shell.

[0009] By starting the electro-hydraulic push rod to push the baffle to move vertically upward, the round hole can be closed, so as to avoid too much oil from penetrating into the inner cavity of the plastic shell 2 from the inner cavity of the round hole.

[0010] Further, the bottom front side of the baffle is provided with a collection box, and the collection box is fixedly connected with the inner cavity of the plastic shell at the bottom, the top of the plastic shell is provided with a micro oil suction pump, and the bottom of the micro oil suction pump is fixedly connected with an oil suction pipe, the other end of the oil suction pipe penetrates through the partition plate and extends to the inner cavity of the collection box near the bottom, the top of the micro oil suction pump is fixedly connected with an oil discharge pipe, and the top end of the oil discharge pipe penetrates through the top of the plastic shell and is provided with a one-way valve.

[0011] Through the inclined arrangement of the front side surface of the baffle, a small amount of oil that penetrates into the inner cavity of the plastic shell can be introduced into the collection box, so as to facilitate the backflow of the oil into the low-voltage distribution box and avoid waste of oil.

[0012] Further, the outer wall of the insulating pipe is sleeved with a sealing plate, and the bottom of the sealing plate is arranged in close contact with the top of the partition plate, and the cross-sectional area of the sealing plate is larger than that of the chute, so that the chute can be blocked while the insulating pipe slides horizontally forward, and the oil can be prevented from penetrating into the upper layer of the partition plate.

[0013] Further, the hinge is connected to the front top of the plastic shell, and an observation window is arranged on the access door, which is convenient for the staff to observe the working state of the electrical components in the inner cavity of the plastic shell, and also facilitates the maintenance personnel to open the access door to maintain and repair the electrical components in the inner cavity of the plastic shell.

[0014] Further, the mobile terminal is a smart phone or a tablet computer, and the smart phone or the tablet computer shares data by installing an app or a small program, so that the maintenance personnel can access the small program system of the mobile terminal in real time, and can check the information of the corresponding oil level station in time, so as to take corresponding measures to prevent dangerous accidents.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The ultrasonic liquid level detection sensor can timely detect the abnormal condition of the oil pillow oil level of the power distribution transformer, and automatically send a prompt message to a specified mobile phone through a short message, so as to timely inform the maintenance personnel of the abnormal condition of the oil pillow oil level of the power distribution transformer, thereby quickly maintaining and repairing the power distribution transformer, avoiding the transformer operation failure caused by the abnormal condition of the oil pillow oil level of the power distribution transformer, and ensuring the normal life and production electricity of residents; the device can remotely monitor the oil pillow oil level of the power distribution transformer, provide a convenient platform for the maintenance personnel, effectively improve the work efficiency, and ensure the reliability of power supply.

[0017] 2. The electric telescopic rod can drive the motor shell to move horizontally and longitudinally, so that the insulating branch pipe can be pulled into the inner cavity of the plastic shell, the baffle can be pushed to close the circular hole by starting the electro-hydraulic push rod, then the transmission shaft can be rotated by starting the servo motor, and the rotating disc can be rotated by the rotation of the circular plate, so that the ultrasonic liquid level detection sensor can be rotated by one hundred and eighty degrees and face the access door, and then the electrical components in the inner cavity of the plastic shell can be quickly maintained and repaired by the staff after opening the access door, thereby reducing the working intensity and improving the efficiency of maintenance and repair. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the embodiment;

[0019] Figure 2 It is a sectional view of the plastic shell of the embodiment;

[0020] Figure 3 It is a structural schematic view of the plastic shell of the embodiment;

[0021] Figure 4 It is a structural schematic view of the partition plate of the embodiment;

[0022] Figure 5The cross-sectional structure schematic diagram of the rotating disc of the embodiment.

[0023] In the figure: 1, low-voltage distribution box; 2, plastic shell; 3, partition plate; 4, rotating disc; 5, circuit board; 6, power supply circuit; 7, GPRS wireless communication module; 8, antenna receiver transmitter; 9, information processing unit; 10, connecting line; 11, sealing plate; 12, insulating pipe; 13, cavity; 14, sliding groove; 15, insulating branch pipe; 16, circular hole; 17, ultrasonic liquid level detection sensor; 18, mobile terminal; 19, circular plate; 20, motor shell; 21, servo motor; 22, transmission shaft; 23, mounting shell; 24, support plate; 25, electric telescopic rod; 26, electro-hydraulic push rod; 27, baffle; 28, collection box; 29, micro oil suction pump; 30, oil suction pipe; 31, oil discharge pipe; 32, one-way valve; 33, manhole; 34, observation window. DETAILED DESCRIPTION

[0024] The utility model provides the following technical schemes:

[0025] Embodiment 1, please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 5 :

[0026] An oil level monitoring safety warning device, including low-voltage distribution box 1 and mobile terminal 18, the front side wall of low-voltage distribution box 1 is provided with plastic shell 2, and the inner chamber of plastic shell 2 is fixedly connected with partition plate 3, the top of partition plate 3 is equipped with rotating disc 4, and the top of rotating disc 4 is provided with circuit board 5, and circuit board 5 is provided with GPRS wireless communication module 7, power supply circuit 6 and information processing unit 9, and the top of GPRS wireless communication module 7 is provided with antenna receiver transmitter 8.

[0027] Connecting line 10 is connected on information processing unit 9, cavity 13 is formed on the rear side of rotating disc 4, and the bottom center of rotating disc 4 is inserted and fixed with insulating pipe 12 communicated with the inner chamber of cavity 13, sliding groove 14 communicated with insulating pipe 12 is formed on partition plate 3, and the bottom end of insulating pipe 12 penetrates the inner chamber of sliding groove 14 and is fixedly connected with circular plate 19, and the rear side of insulating pipe 12 is inserted and fixed with insulating branch pipe 15 communicated with its inner chamber, and the rear side of plastic shell 2 is provided with circular hole 16 communicated with insulating branch pipe 15.

[0028] The other end of insulating branch pipe 15 penetrates circular hole 16 and extends to the inner chamber of low-voltage distribution box 1, the other end of connecting line 10 penetrates the top of rotating disc 4 and the inner chamber of insulating pipe 12, extends to the inner chamber of insulating branch pipe 15, and is fixedly connected with ultrasonic liquid level detection sensor 17.

[0029] The mobile terminal 18 is a smart phone or a tablet computer, and the smart phone or the tablet computer shares data by installing an app or a small program. Maintenance personnel can access the small program system of the mobile terminal in real time, can view information of corresponding oil level sites in a timely and effective manner, and can take corresponding measures to prevent dangerous accidents.

[0030] Working principle: when the utility model is used, the normal voltage of the utility model during work is 12V, the power supply of the low-voltage distribution box 1 line is supplied to the ultrasonic liquid level detection sensor 17, the information processing unit 9, the GPRS wireless communication module 7 and the antenna receiving transmitter 8 after being stepped down and rectified by the power supply circuit 6, when the oil level of the distribution transformer oil pillow is in the normal range, the GPRS wireless communication module 7 will send a short message to the designated mobile terminal 18 through the antenna receiving transmitter 8 every month to check the self-inspection monitoring equipment, and at the same time, the mobile terminal 18 can also send instructions to the GPRS wireless communication module 7 through the antenna receiving transmitter 8, and the GPRS wireless communication module 7 will transmit the instructions to the information processing unit 9.

[0031] The information processing unit 9 processes the oil level condition collected by the ultrasonic liquid level detection sensor 17 and feeds back to the mobile terminal 18 through the GPRS wireless communication module 7, so that the oil level state of the distribution transformer oil pillow can be understood in real time, when the oil level of the distribution transformer oil pillow is abnormal, the ultrasonic liquid level detection sensor 17 will transmit the monitored oil level abnormal information to the information processing unit 9, the information processing unit 9 will transmit the processed abnormal information to the GPRS wireless communication module 7, the GPRS wireless communication module 7 will send the abnormal information to the designated mobile terminal 18 through the antenna receiving transmitter 8 in the mode of short message, the short message is sent to the designated mobile phone automatically, the abnormal condition of the oil level of the distribution transformer oil pillow is informed to the maintenance personnel in time, so that the distribution transformer can be maintained and repaired quickly, the transformer running failure caused by the abnormal condition of the oil level of the distribution transformer oil pillow is avoided, the normal life and production power supply of residents are guaranteed, the device can remotely monitor the oil level of the distribution transformer oil pillow, provides a convenient platform for the maintenance personnel, effectively improves the work efficiency, and guarantees the reliability of power supply.

[0032] Example 2, please refer to Figure 1 , Figure 2 and Figure 4 :

[0033] The inner cavity bottom of the plastic shell 2 is fixedly connected with two front and rear distributed support plates 24 near the front side, and the top of the two support plates 24 is fixedly connected with the same mounting shell 23. The inner cavity of the mounting shell 23 is provided with an electric telescopic rod 25, and the power end of the electric telescopic rod 25 is fixedly connected with a motor shell 20. The inner cavity of the motor shell 20 is provided with a servo motor 21. The top of the motor shell 20 is fixedly connected with a sealed bearing, and the inner cavity of the sealed bearing is rotatably connected with a transmission shaft 22. The top end of the transmission shaft 22 is fixedly connected with the bottom center of the circular plate 19, and the bottom end of the transmission shaft 22 is fixedly connected with the power output end of the servo motor 21. Through the setting of the electric telescopic rod 25, the motor shell 20 can be driven to move horizontally and longitudinally, so that the insulating branch pipe 15 can be driven to move telescopically. When overhauling, the insulating branch pipe 15 can be pulled into the inner cavity of the plastic shell 2, so as to facilitate the overhauling and maintenance of the ultrasonic liquid level detection sensor 17.

[0034] The inner cavity bottom rear side of the plastic shell 2 is provided with an electro-hydraulic push rod 26, and the power end of the electro-hydraulic push rod 26 is fixedly connected with a baffle 27. The baffle 27 is located just below the inner side of the circular hole 16, and the baffle 27 is arranged in close contact with the inner cavity rear side wall of the plastic shell 2. When the ultrasonic liquid level detection sensor 17 is pulled into the inner cavity of the plastic shell 2, the baffle 27 is vertically moved upward by starting the electro-hydraulic push rod 26 to close the circular hole 16, so as to avoid too much oil penetrating into the inner cavity of the plastic shell 2 from the inner cavity of the circular hole 16.

[0035] The bottom front side of the baffle 27 is provided with a collection box 28, and the collection box 28 is fixedly connected with the inner cavity bottom of the plastic shell 2. The top of the plastic shell 2 is provided with a micro oil suction pump 29, and the bottom of the micro oil suction pump 29 is fixedly connected with an oil suction pipe 30. The other end of the oil suction pipe 30 penetrates through the partition plate 3 and extends to the inner cavity of the collection box 28 near the bottom. The top of the micro oil suction pump 29 is fixedly connected with an oil discharge pipe 31, and the top end of the oil discharge pipe 31 penetrates through the top of the plastic shell 2 and is provided with a one-way valve 32. Through the inclined arrangement of the front surface of the baffle 27, a small amount of oil penetrating into the inner cavity of the plastic shell 2 can be introduced into the collection box 28, so as to facilitate the backflow of the oil into the low-voltage distribution box 1 and avoid the waste of oil.

[0036] The outer wall of the insulating pipe 12 is sleeved and fixed with a sealing plate 11, and the bottom of the sealing plate 11 is arranged in close contact with the top of the partition plate 3. The top view cross-sectional area of the sealing plate 11 is larger than that of the chute 14, so that the chute 14 can be blocked when the insulating pipe 12 slides horizontally forward, avoiding the penetration of oil to the upper layer of the partition plate 3.

[0037] The maintenance door 33 is hinged at the front top of the plastic shell 2, and an observation window 34 is arranged on the maintenance door 33, which is convenient for the staff to observe the working state of the electrical elements in the inner cavity of the plastic shell 2, and also facilitates the maintenance personnel to open the maintenance door 33 to maintain and repair the electrical elements in the inner cavity of the plastic shell 2.

[0038] Working principle: when the staff maintains and repairs the electrical elements in the inner cavity of the plastic shell 2, the electric telescopic rod 25 is started to pull the motor shell 20 to move horizontally and longitudinally forward, so that the insulating branch pipe 15 can be pulled into the inner cavity of the plastic shell 2, and the electro-hydraulic push rod 26 is started to push the baffle 27 to close the round hole 16, then the servo motor 21 is started to drive the transmission shaft 22 to rotate, and the rotating disc 4 is driven to rotate through the rotation of the circular plate 19, so that the ultrasonic liquid level detection sensor 17 can be rotated by one hundred and eighty degrees and then face the door of the maintenance door 33, and then when the staff opens the maintenance door 33, the electrical elements in the inner cavity of the plastic shell 2 can be quickly maintained and repaired, the working intensity is reduced, and the efficiency of maintenance and repair is improved.

[0039] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0040] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An oil level monitoring safety warning device comprising a low voltage distribution box (1) and a mobile terminal (18), characterized in that: The low-voltage distribution box (1) is provided with a plastic shell (2) on the front side wall, and the inner cavity of the plastic shell (2) is fixedly connected with a partition plate (3), the top of the partition plate (3) is provided with a turntable (4), and the top of the turntable (4) is provided with a circuit board (5), the circuit board (5) is provided with a GPRS wireless communication module (7), a power supply circuit (6) and an information processing unit (9), the top of the GPRS wireless communication module (7) is provided with an antenna receiver transmitter (8), the information processing unit (9) is connected with a connecting line (10), the turntable (4) is provided with a cavity (13) near the rear side, and the bottom center of the turntable (4) is inserted and fixed with an insulating pipe (12) which is communicated with the inner cavity of the cavity (13), the partition plate (3) is provided with a sliding groove (14) matched with the insulating pipe (12), and the bottom end of the insulating pipe (12) penetrates the inner cavity of the sliding groove (14) and is fixedly connected with a circular plate (19), the rear side of the insulating pipe (12) is inserted and fixed with an insulating branch pipe (15) which is communicated with the inner cavity thereof, the rear side of the plastic shell (2) is provided with a circular hole (16) matched with the insulating branch pipe (15), the other end of the insulating branch pipe (15) penetrates the circular hole (16) and extends into the inner cavity of the low-voltage distribution box (1), the other end of the connecting line (10) penetrates the top of the turntable (4) and the inner cavity of the insulating pipe (12), extends into the inner cavity of the insulating branch pipe (15), and is fixedly connected with an ultrasonic liquid level detection sensor (17), the inner cavity of the plastic shell (2) is fixedly connected with two front and rear distributed support plates (24) near the front side, and the top of the two support plates (24) is fixedly connected with the same mounting shell (23), the inner cavity of the mounting shell (23) is provided with an electric telescopic rod (25), and the power end of the electric telescopic rod (25) is fixedly connected with a motor shell (20), the inner cavity of the motor shell (20) is provided with a servo motor (21), the top of the motor shell (20) is fixedly connected with a sealing bearing, and the inner cavity of the sealing bearing is rotatably connected with a transmission shaft (22), the top end of the transmission shaft (22) is fixedly connected with the bottom center of the circular plate (19), and the bottom end of the transmission shaft (22) is fixedly connected with the power output end of the servo motor (21).

2. An oil level monitoring safety warning device as claimed in claim 1, wherein: The inner cavity of the plastic shell (2) is provided with an electro-hydraulic push rod (26) at the rear side, and the power end of the electro-hydraulic push rod (26) is fixedly connected with a baffle (27), the baffle (27) is located below the inner side of the circular hole (16), and the baffle (27) is arranged in close contact with the rear side wall of the inner cavity of the plastic shell (2).

3. An oil level monitoring safety warning device as claimed in claim 2, wherein: The bottom front side of the baffle (27) is provided with a collecting box (28), and the collecting box (28) is fixedly connected with the bottom of the inner cavity of the plastic shell (2); the top of the plastic shell (2) is provided with a micro oil suction pump (29), and the bottom of the micro oil suction pump (29) is fixedly connected with an oil suction pipe (30); the other end of the oil suction pipe (30) penetrates through the partition plate (3) and extends to the inner cavity of the collecting box (28) near the bottom; the top of the micro oil suction pump (29) is fixedly connected with an oil discharge pipe (31), and the top end of the oil discharge pipe (31) penetrates through the top of the plastic shell (2) and is provided with a one-way valve (32).

4. An oil level monitoring safety warning device as claimed in claim 1, wherein: The outer wall of the insulating pipe (12) is sleeved and fixed with a sealing plate (11), and the bottom of the sealing plate (11) is arranged in close contact with the top of the partition plate (3); the plan view cross-sectional area of the sealing plate (11) is greater than that of the sliding groove (14).

5. An oil level monitoring safety warning device as claimed in claim 1, wherein: The front top of the plastic shell (2) is hingedly connected with an inspection door (33), and the inspection door (33) is provided with an observation window (34).

6. An oil level monitoring safety warning device as claimed in claim 1, wherein: The mobile terminal (18) is a smart phone or a tablet computer, and the smart phone or the tablet computer shares data by installing an app or a small program.

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