CN217424435U - Oil-to-oil online intelligent monitoring sensing device supporting wired and wireless communication - Google Patents
Oil-to-oil online intelligent monitoring sensing device supporting wired and wireless communication Download PDFInfo
- Publication number
- CN217424435U CN217424435U CN202220690204.2U CN202220690204U CN217424435U CN 217424435 U CN217424435 U CN 217424435U CN 202220690204 U CN202220690204 U CN 202220690204U CN 217424435 U CN217424435 U CN 217424435U
- Authority
- CN
- China
- Prior art keywords
- oil
- wireless communication
- sensing device
- floater
- control unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
An oil change online intelligent monitoring sensing device supporting wired and wireless communication comprises a main pipe and a floater positioned below the main pipe, wherein a floater connecting rod is connected to the floater, a red and blue indicator is arranged above the floater connecting rod, and an infrared reflection sheet is arranged above the red and blue indicator; the top of the main body pipe is connected with a lower shell and an upper shell, a cavity is formed inside the lower shell and the upper shell, and a PCB is fixedly arranged in the cavity; the PCB is provided with the MCU control unit, the infrared distance measuring sensor connected to the MCU control unit, the PT temperature sensor and the gas pressure sensor, the intelligent online monitoring function can be realized, the actual height of the oil surface of the transformer can be obtained, the function of measuring the temperature of the oil body of the transformer and the internal gas pressure of the oil body of the transformer is also taken into consideration, data is collected once every few minutes, and the data can be reported to a background in a 485 wired communication mode or a wireless communication mode.
Description
Technical Field
The utility model relates to an oil level gaugember field specifically is a support wired and wireless communication's oily online intelligent monitoring sensing device that becomes.
Background
The tubular oil level indicator consists of a seamless steel pipe, a buoy indicating device, a window and an upper cover or a pressure valve; the window adopts a thick-wall glass tube built-in structure; the specific oil level within 30 mm below the tank cover can be displayed, and the oil level display is real and accurate without false oil level phenomenon; the series of products are mainly suitable for oil immersed type full-sealed transformers, are arranged on the upper part of an oil tank cover of a transformer, display the oil level in an oil tank, and indicate that the oil level is normal when a blue mark appears in a window on the upper part of an oil level indicator, and the oil level is above the tank cover; when the red mark appears, the oil level is abnormal, and the oil level is below the tank cover and needs to be supplemented properly.
The traditional tubular oil level indicator is of a pure mechanical structure, needs a short-distance field observation of an inspector, but the inspector cannot frequently get the real-time state of the transformer oil on the field.
Therefore, the problem to be solved in the field is to provide an online intelligent monitoring and sensing device for oil change, which supports wired and wireless communication.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides an oil change online intelligent monitoring sensing device supporting wired and wireless communication, which comprises a main body pipe and a floater positioned below the main body pipe, wherein the floater is connected with a floater connecting rod, a red and blue indicator is arranged above the floater connecting rod, and an infrared reflector is arranged above the red and blue indicator; the top of the main body pipe is connected with a lower shell and an upper shell, a cavity is formed inside the lower shell and the upper shell, and a PCB is fixedly installed in the cavity; the PCB board is provided with an MCU control unit, an infrared distance measuring sensor, a PT temperature sensor and a gas pressure sensor which are connected to the MCU control unit.
Furthermore, an antenna plug is installed on the outer wall of the lower shell, one end of the antenna plug is connected with the MCU control unit, and the other end of the antenna plug is connected with an antenna.
Further, still install the 485 modules of connecting the MCU the control unit on the PCB board, install waterproof binding post on the outer wall of casing down, waterproof binding post is connected with the 485 module.
Further, a protective cover is installed above the upper shell, and a pressure release valve is installed between the protective cover and the upper shell.
Furthermore, the lower end of the main body pipe is provided with an external thread which is connected to the transformer through a thread.
Furthermore, a guide block is embedded in the main body pipe, and the float connecting rod penetrates through the middle of the guide block.
Compared with the prior art, the utility model discloses following beneficial effect has:
the intelligent online monitoring function can be realized, the actual height of the oil surface of the transformer can be obtained, the function of measuring the temperature of the oil body of the transformer and the internal air pressure is also taken into consideration, data can be collected once every few minutes, and the data can be reported to a background in a 485 wired communication mode or a wireless communication mode.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a schematic diagram of the connection of the MCU control unit of the present invention.
In the figure: the intelligent monitoring system comprises a main body pipe 1, a floater 2, a floater 3, a floater connecting rod 4, a red and blue indicator, an infrared reflector 5, a transparent window 6, a lower shell 7, an upper shell 8, a PCB 9, an MCU control unit 10, an infrared distance measuring sensor 11, a PT temperature sensor 12, a gas pressure sensor 13, an antenna plug 14, an antenna 15, a 485 module 16, a waterproof connecting terminal 17, a protective cover 18, a pressure release valve 19, a guide block 20, a wireless communication module 21 and a power supply system 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1 and 2, a composition structure of an oil-to-oil online intelligent monitoring sensing device supporting wired and wireless communication according to the present invention is shown, which includes a main body pipe 1 and a float 2 located below the main body pipe, wherein the float 2 is connected with a float connecting rod 3, and the float connecting rod 3 is inserted into the main body pipe 1; a red and blue indicator 4 is arranged above the floater connecting rod, and an infrared reflection sheet 5 is arranged above the red and blue indicator 4; a transparent window 6 is arranged on the main body pipe 1, and the height of the red and blue indicator 4 is observed through the transparent window.
The top of main part pipe 1 is connected with casing 7 and last casing 8 down, and casing 7 and last casing 8 sealing connection down, the inside vacuole formation of the two, fixed mounting has PCB board 9 in the cavity, installs MCU the control unit 10 on the PCB board 9, connects infrared distance measuring sensor 11, PT temperature sensing 12, the gas pressure sensor 13 on MCU the control unit 10, PT temperature sensor 12's temperature probe is located the below of float 2, and the upper end passes and is connected to MCU the control unit 10 behind float 2 and the float connecting rod 3.
An antenna plug 14 is installed on the outer wall of the lower shell 7, one end of the antenna plug 14 is connected with the MCU control unit 10, and the other end is connected with an antenna 15.
Still install the 485 module 16 of connecting MCU the control unit 10 on the PCB board 9, install waterproof binding post 17 on the outer wall of casing 7 down, waterproof binding post 17 is connected with 485 modules 16.
A protective cover 18 is mounted above the upper casing 8, and a relief valve 19 is mounted between the protective cover and the upper casing.
The main tube 1 has an external thread formed at its lower end and is screwed to a transformer (not shown).
A guide block 20 is embedded in the main body pipe 1, and the float connecting rod 3 penetrates through the middle of the guide block 20.
Referring to fig. 3, a composition structure of the PCB 9 is shown, and the MCU control unit 10 is further connected to a wireless communication module 21 and a power system 22; after electrification, the MCU control unit starts, each peripheral is initialized, the oil body height, the oil liquid temperature and the air pressure intensity in the cavity are collected regularly through the infrared distance measuring sensor 11, the PT temperature sensor 12 and the air pressure sensor 13 respectively, the obtained data are compared with a set value of a standard value in real time, and intelligent alarm is carried out on a dangerous value.
The utility model discloses transmission mode divide into wired and wireless: the wire is communicated through the 485 module 16, and the wireless mode is that data is transmitted through the 433 or 2.4G wireless module and the antenna 15.
The infrared distance measuring sensor 11 is vertically arranged downwards, infrared light emitted by the sensor is reflected back through the infrared reflection sheet 5 at the end part of the floater 2, and distance measurement is realized by utilizing the principle of triangulation distance measurement.
The PT temperature sensor 12 penetrates through the hollow float connecting rod 3 and extends out of the length of the part below the float, so that the temperature of the hollow float connecting rod can be measured conveniently by immersing oil.
The gas pressure sensor 13 is attached right above the PCB and measures the gas pressure in the cavity of the device.
When the oil level changes in the transformer, the floater 2 drives the floater connecting rod 3, the red and blue indicator 4 and the infrared reflector 5 to move up and down along with the oil level, the red and blue indicator 4 is observed through the transparent window, and the accurate oil level change value is detected through the infrared distance measuring sensor 11.
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 (6)
1. An oil change online intelligent monitoring sensing device supporting wired and wireless communication is characterized by comprising a main pipe (1) and a floater (2) positioned below the main pipe, wherein a floater connecting rod (3) is connected to the floater (2), a red and blue indicator (4) is installed above the floater connecting rod, and an infrared reflector (5) is installed above the red and blue indicator (4); the top of the main body pipe (1) is connected with a lower shell (7) and an upper shell (8), a cavity is formed in the lower shell and the upper shell, and a PCB (9) is fixedly installed in the cavity; the PCB (9) is provided with an MCU control unit (10), an infrared distance measuring sensor (11) connected to the MCU control unit (10), a PT temperature sensor (12) and a gas pressure sensor (13).
2. The online intelligent monitoring and sensing device for oil change supporting wired and wireless communication according to claim 1, characterized in that an antenna plug (14) is installed on the outer wall of the lower casing (7), one end of the antenna plug (14) is connected with the MCU control unit (10), and the other end is connected with an antenna (15).
3. The online intelligent oil-to-oil monitoring and sensing device supporting wired and wireless communication is characterized in that a 485 module (16) connected with an MCU (microprogrammed control unit) control unit (10) is further mounted on the PCB (9), a waterproof wiring terminal (17) is mounted on the outer wall of the lower shell (7), and the waterproof wiring terminal (17) is connected with the 485 module (16).
4. The online intelligent monitoring and sensing device for oil change supporting wired and wireless communication is characterized in that a protective cover (18) is installed above the upper shell (8), and a pressure relief valve (19) is installed between the protective cover and the upper shell.
5. The oil transformer on-line intelligent monitoring and sensing device supporting wired and wireless communication according to claim 1, wherein the lower end of the main pipe (1) is provided with external threads and is connected to a transformer through threads.
6. The online intelligent monitoring and sensing device for oil change supporting wired and wireless communication as claimed in claim 1, characterized in that a guide block (20) is embedded in the main pipe (1), and the float connecting rod (3) passes through the middle of the guide block (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220690204.2U CN217424435U (en) | 2022-03-28 | 2022-03-28 | Oil-to-oil online intelligent monitoring sensing device supporting wired and wireless communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220690204.2U CN217424435U (en) | 2022-03-28 | 2022-03-28 | Oil-to-oil online intelligent monitoring sensing device supporting wired and wireless communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217424435U true CN217424435U (en) | 2022-09-13 |
Family
ID=83182031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220690204.2U Active CN217424435U (en) | 2022-03-28 | 2022-03-28 | Oil-to-oil online intelligent monitoring sensing device supporting wired and wireless communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217424435U (en) |
-
2022
- 2022-03-28 CN CN202220690204.2U patent/CN217424435U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205541304U (en) | Hydrological monitoring instrument | |
| CN108444566A (en) | Oil level gauge for transformer based on pressure sensing and temperature adjustmemt | |
| CN108981855B (en) | Water level monitoring device and method based on plastic optical fiber optical time domain reflection | |
| CN107990961A (en) | A kind of explosion-proof type magnetostriction liquidometer of measurable multiple liquid levels | |
| CN217424435U (en) | Oil-to-oil online intelligent monitoring sensing device supporting wired and wireless communication | |
| CN108387289A (en) | A kind of pressure sensitive oil level gauge for transformer being mounted on note drain line | |
| CN210014826U (en) | Tubular intelligent oil level indicator of transformer | |
| CN114705242A (en) | Oil-to-oil online intelligent monitoring sensing device supporting wired and wireless communication | |
| CN111896075A (en) | Water level alarm based on frequency domain reflection method | |
| CN210036895U (en) | Light energy liquid level automatic control detection video-collecting visual device | |
| CN207741835U (en) | A kind of liquid level meter for oil tank | |
| CN216558905U (en) | Differential pressure type static force level gauge | |
| CN213385920U (en) | Liquid product storage tank convenient for liquid level detection | |
| CN212340324U (en) | Suspended transformer oil tank state parameter acquisition device | |
| CN115818049B (en) | High-temperature-resistant explosion-proof magnetic liquid level meter with remote control function | |
| CN221037585U (en) | Liquid level meter with warning function | |
| CN216092028U (en) | Fire hydrant pressure measuring device | |
| CN213021797U (en) | Safe anti-breaking glass tube liquid level meter | |
| CN219869649U (en) | Sedimentation data acquisition device and measurement system based on diffusion silicon pressure-sensitive sensing | |
| CN112050862A (en) | Suspended transformer oil tank state parameter acquisition device | |
| CN218765473U (en) | Electrified detection device of transformer conservator oil level | |
| CN216645512U (en) | Liquid level detection device | |
| CN212300518U (en) | Water level alarm based on frequency domain reflection method | |
| CN2852073Y (en) | Automatic alarm for seeper | |
| CN211477310U (en) | Floating ball water level meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |