CN215812234U - Sulfur hexafluoride gas three-in-one sensor based on solar power supply - Google Patents
Sulfur hexafluoride gas three-in-one sensor based on solar power supply Download PDFInfo
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- CN215812234U CN215812234U CN202122070001.1U CN202122070001U CN215812234U CN 215812234 U CN215812234 U CN 215812234U CN 202122070001 U CN202122070001 U CN 202122070001U CN 215812234 U CN215812234 U CN 215812234U
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Abstract
The utility model discloses a sulfur hexafluoride gas three-in-one sensor based on solar power supply, which comprises: a housing; the connecting seat block is arranged at the bottom of the shell and is used for being connected with a connector of equipment to be monitored; the detection sensor assembly comprises a sealing shell, a pressure sensor, a temperature sensor and a humidity sensor, wherein the sealing shell is provided with a threading hole, and a sealing gasket is arranged on the threading hole; the solar control panel comprises a solar circuit board and a solar panel, the solar circuit board is connected with the sealing shell through a fixing support, and the solar panel is vertically fixed with the solar circuit board; the monitoring control panel is provided with a microcontroller, a signal acquisition module, a wireless communication module, a power supply module and a display module; the cover body is arranged on the outer sides of the solar control panel and the monitoring control panel and connected with the shell. The utility model detects the temperature, pressure and water content of the sulfur hexafluoride gas, and transmits the sulfur hexafluoride gas in real time to prevent faults.
Description
Technical Field
The utility model relates to the technical field of transformer substation monitoring, in particular to a sulfur hexafluoride gas three-in-one sensor based on solar power supply.
Background
The safe and stable operation of the combined electrical apparatus (GIS) is of great importance to the power system, and the GIS is used for improving the power supply safety and meeting the fundamental requirement of the power supply reliability. Under a normal state of a sulfur hexafluoride equipment sulfur hexafluoride density relay (sulfur hexafluoride density meter), SF6 gas is colorless and odorless, has good insulating performance and arc extinguishing performance, is very large in usage amount in a transformer substation, and is particularly provided with a large number of small sulfur hexafluoride density relays on a current transformer substation distribution cabinet; the sulfur hexafluoride density relay monitors the density and pressure of sulfur hexafluoride gas in the sulfur hexafluoride equipment by converting the pressure value into a density value.
The circuit breaker is outdoor equipment, when the air temperature suddenly drops, the excess water of SF6 gas can be condensed on the surface of a solid medium to cause flashover, and in severe cases, the circuit breaker is caused to have an explosion accident. When in operation, the pure SF6 gas is decomposed into monomer fluorine, sulfur and fluorine-sulfur compounds after arc discharge or high temperature, and the stable SF6 gas is synthesized after the arc disappears.
The existing monitoring of sulfur hexafluoride equipment is only pressure (and a density value after conversion), when sulfur hexafluoride gas contains moisture, the monitoring cannot be carried out in time, the generated fluorine-sulfur compound can react with the water to generate hydrofluoric acid with strong corrosivity, sulfuric acid and other chemical substances with strong toxicity, and the like, so that the life safety of maintenance personnel is threatened, the insulating material or metal material of a circuit breaker is corroded, the insulation is deteriorated, even equipment explosion occurs, and the sulfur hexafluoride monitoring equipment of a transformer substation is often arranged outdoors, and the power supply is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of disclosing a sulfur hexafluoride gas three-in-one sensor based on solar power supply aiming at the defects in the prior art.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
gaseous trinity sensor of sulfur hexafluoride based on solar energy power supply includes:
a housing;
the connecting seat block is arranged at the bottom of the shell and is used for being connected with a connector of equipment to be monitored;
the detection sensor assembly comprises a sealing shell, a pressure sensor, a temperature sensor and a humidity sensor, wherein the pressure sensor, the temperature sensor and the humidity sensor are arranged in the shell and are arranged in the sealing shell;
the solar control panel comprises a solar circuit board and a solar panel, the solar circuit board is connected with the sealing shell through a fixing support, and the solar panel is vertically fixed with the solar circuit board;
the monitoring control panel is provided with a microcontroller, a signal acquisition module, a wireless communication module, a power supply module and a display module, the output ends of the signal acquisition module and the power supply module are connected with the microcontroller, and the output end of the microcontroller is connected with the wireless communication module and the display module;
the output end of the solar circuit board is connected with the power supply module, the monitoring control panel is connected with the other end of the solar panel, the monitoring control panel and the solar circuit board are arranged in parallel, and the upper surface of the monitoring control panel is provided with a display module;
the cover body is arranged on the outer sides of the solar control panel and the monitoring control panel and connected with the shell.
According to a further technical scheme of the utility model, the cover body is in threaded connection with the shell, the shell is provided with a boss, the boss is provided with an external thread, and the inner side of the opening of the cover body is provided with an internal thread matched with the external thread on the boss.
According to a further technical scheme of the utility model, an insulating anti-theft nut is arranged on the connecting seat block, a first internal thread and a second internal thread are arranged on the inner side of the insulating anti-theft nut, the spiral directions of the first internal thread and the second internal thread are opposite, the first internal thread is connected with an external thread at the end part of the connecting seat block, and the second internal thread is used for being connected with an external thread of an equipment connecting port.
According to a further technical scheme of the utility model, a first sealing ring is arranged between the connecting seat block and the shell, a second sealing ring is arranged between the sealing shell and the shell, and a third sealing ring is arranged between the cover body and the shell.
The cover body comprises side edges made of light-transmitting polycarbonate materials and end faces made of wave-transmitting materials.
The further technical scheme of the utility model is that the shell and the cover body are of a cylindrical structure, the solar circuit board is of a circular ring structure, and the monitoring control board is of a circular plate structure.
The solar panel is arranged in eight, and is vertically arranged on the solar circuit board by taking a central axis in the vertical direction of the solar circuit board as a central axis.
As a further technical solution of the present invention, the power module is a rechargeable lithium battery of a model number ER32L 100. The power module is arranged on the lower surface of the monitoring control board and is electrically connected with the monitoring control board.
The technical scheme of the utility model is that the microcontroller is a processor of model STM32L051K8U6, and the display module is an LCD display screen.
As a further technical solution of the present invention, the wireless communication module includes a LORA chip of LORA1268-470 model and a LORA antenna.
Compared with the prior art, the utility model has the following advantages:
1. the sulfur hexafluoride equipment is monitored by arranging the temperature sensor, the pressure sensor and the humidity sensor, the pressure of the sulfur hexafluoride is obtained by the pressure sensor, so that the gas density of the sulfur hexafluoride is calculated, whether the sulfur hexafluoride equipment needs to be inflated is judged by the gas density of the sulfur hexafluoride, the moisture content of the sulfur hexafluoride gas is detected by the humidity sensor, and when the moisture content reaches a detection set value, an alarm is given to remind to prevent faults;
2. the connecting seat block is connected with an equipment connecting port of sulfur hexafluoride equipment, and the connecting seat block is matched with the original equipment connecting port, so that the monitoring on the micro water in the sulfur hexafluoride gas is increased on the premise of not changing the equipment connecting port;
3. the solar control panel is adopted, power supply is realized through light energy power generation, the solar control panel is suitable for an outdoor installation environment, cables do not need to be laid, and the installation is simple and convenient;
4. the information that will detect is shown through the display module to send the information that detects out through wireless communication module, in time inform the operation and maintenance managers.
5. The insulating anti-theft nut is arranged at the connecting seat block, so that the anti-theft effect is achieved.
6. Set up first sealing washer between connector block and the shell, set up the second sealing washer between seal shell and the shell, set up the third sealing washer between the cover body and the shell, guarantee the accuracy that detects.
7. The cover body is used for protecting the interior of the shell and ensuring that solar energy irradiates the solar panel, so that the side edge of the cover body is made of a light-transmitting material; the end face of the cover body is made of wave-transmitting materials, so that signal transmission is facilitated.
Drawings
FIG. 1 is a split structure diagram of a sulfur hexafluoride gas three-in-one sensor based on solar power supply;
FIG. 2 is a perspective view of a sulfur hexafluoride gas three-in-one sensor based on solar power supply provided by the utility model;
FIG. 3 is a front view of a sulfur hexafluoride gas three-in-one sensor based on solar power supply;
FIG. 4 is a left side view of a sulfur hexafluoride gas three-in-one sensor based on solar power supply provided by the utility model;
FIG. 5 is a cross-sectional view of a sulfur hexafluoride gas three-in-one sensor based on solar power supply provided by the utility model;
FIG. 6 is a connection structure diagram of the connection seat block and the insulation antitheft nut according to the present invention;
FIG. 7 is a circuit control structure diagram of a three-in-one sensor according to the present invention;
description of reference numerals:
1-a shell, 2-a connecting seat block, 3-a detection sensor component, 4-a solar control panel, 5-a monitoring control panel, 6-a cover body, 7-an insulating anti-theft nut, 9-an equipment mounting head;
31-sealed shell, 32-pressure sensor, 33-temperature sensor, 34-humidity sensor;
311-threading hole, 312-sealing gasket;
41-solar circuit board, 42-solar panel;
51-microcontroller, 52-signal acquisition module, 53 wireless communication module, 54-power module, 55-display module;
81-first sealing ring, 82-second sealing ring, 83-third sealing ring.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
It should be noted that the structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are only for the purpose of understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the following claims, and any modifications of the structures, changes in the proportions and adjustments of the sizes, without affecting the efficacy and attainment of the same, are intended to fall within the scope of the present disclosure.
In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Referring to fig. 1 to 5, in which, fig. 1 is a split structure diagram of a sulfur hexafluoride gas three-in-one sensor based on solar power supply provided by the utility model; FIG. 2 is a perspective view of a sulfur hexafluoride gas three-in-one sensor based on solar power supply provided by the utility model; FIG. 3 is a front view of a sulfur hexafluoride gas three-in-one sensor based on solar power supply; FIG. 4 is a left side view of a sulfur hexafluoride gas three-in-one sensor based on solar power supply provided by the utility model; FIG. 5 is a cross-sectional view of a sulfur hexafluoride gas three-in-one sensor based on solar power supply provided by the utility model;
as shown in fig. 1 to 5, the sulfur hexafluoride gas three-in-one sensor based on solar power supply comprises: a housing 1; the connecting seat block 2 is arranged at the bottom of the shell 1 and is used for being connected with a connecting port of equipment to be monitored;
the detection sensor assembly 3 comprises a sealing shell 31, a pressure sensor 32, a temperature sensor 33 and a humidity sensor 34, wherein the pressure sensor 32, the temperature sensor 33 and the humidity sensor 34 are arranged inside the sealing shell 31, the sealing shell 31 is provided with a threading hole 311, and a sealing gasket 312 is arranged on the threading hole 311; the solar control panel 4 comprises a solar circuit board 41 and a solar panel 42, wherein the solar circuit board 41 is connected with the sealed shell 31 through a fixing support 43, and the solar panel 42 is vertically fixed with the solar circuit board 41; the monitoring system comprises a monitoring control board 5, wherein a microcontroller 51, a signal acquisition module 52, a wireless communication module 53, a power module 54 and a display module 55 are arranged on the monitoring control board 5, the output ends of the signal acquisition module 52 and the power module 54 are connected with the microcontroller 51, and the output end of the microcontroller 51 is connected with the wireless communication module 53 and the display module 54; the output end of the solar circuit board 41 is connected with the power module 54, the monitoring control panel 5 is connected with the other end of the solar panel 42, the monitoring control panel 5 is arranged in parallel with the solar circuit board 41, and the upper surface of the monitoring control panel 5 is provided with the display module 55; and a cover 6 disposed outside the solar control panel 41 and the monitor control panel 5 and connected to the housing 1.
In the embodiment of the utility model, sulfur hexafluoride equipment is monitored by arranging a temperature sensor, a pressure sensor and a humidity sensor, a connecting seat block is connected with an equipment connecting port of the sulfur hexafluoride equipment and matched with an original equipment connecting port, the monitoring on micro water in sulfur hexafluoride gas is increased on the premise of not changing the equipment connecting port, the pressure of the sulfur hexafluoride is obtained by the pressure sensor so as to calculate the gas density of the sulfur hexafluoride, whether the sulfur hexafluoride equipment needs to be inflated or not is judged by the gas density of the sulfur hexafluoride, the moisture content of the sulfur hexafluoride gas is detected by the humidity sensor, and when the moisture content reaches a detection set value, an alarm is given to remind so as to prevent failure;
adopt solar control panel, realize the power supply through light energy power generation, be applicable to outdoor installation environment, need not lay cable, the installation is simple and convenient, and the information that detection sensor subassembly gathered is received on the one hand to the monitoring control panel, simultaneously, comes out through the information display that display module will detect to send away the information that detects through wireless communication module, in time inform the operation and maintenance managers.
In the embodiment of the utility model, the cover body is connected with the shell through threads, the shell is provided with a boss, the boss is provided with an external thread, and the inner side of the opening of the cover body is provided with an internal thread matched with the external thread on the boss.
Referring to fig. 6, a connection structure diagram of the connection seat block and the insulation antitheft nut is provided; set up insulating antitheft nut 7 on the connection seat piece 2, insulating antitheft nut 7 inboard sets up first internal thread and second internal thread, first internal thread is opposite with the internal screw thread's of second screw thread helical direction, the external thread connection of first internal thread and connection seat piece tip, the second internal thread is used for the external thread connection with equipment connector 9.
When the connection seat block 2 is screwed and fixed on the equipment connection port 9, the insulation anti-theft nut 7 is screwed on the connection seat block 2 in the same direction, and the connection seat block 2 is embedded in the insulation anti-theft nut 7, wherein the insulation anti-theft nut 7 can be unscrewed by a special hand tool, if the insulation anti-theft nut is not opened by the special hand tool and the base is rotated in the opposite direction by bare hands, the insulation anti-theft nut and the base are combined more and more tightly, so that a thief cannot take away the insulation anti-theft nut by bare hands, and the anti-theft effect is achieved.
In order to ensure the accuracy of detection, a sealed cavity is arranged inside the shell, so that actual sulfur hexafluoride gas can be conveniently obtained, the pressure, the temperature and the micro water of the sulfur hexafluoride gas can be detected, a first sealing ring 81 is arranged between the connecting seat block 2 and the shell 1, a second sealing ring 82 is arranged between the sealed shell 31 and the shell 1, and a third sealing ring 83 is arranged between the cover body 6 and the shell 1.
The cover body 6 comprises side edges made of light-transmitting polycarbonate material and an end face made of wave-transmitting material. The cover body is used for protecting the shell inside and ensures that solar energy irradiates to a solar panel, so the side of the cover body adopts a light-transmitting material, the monitoring control panel is provided with a wireless communication module, a built-in communication antenna needs to communicate with the outside for transmission, and a wave-transmitting material is adopted on the end face of the cover body to facilitate the transmission of signals.
In the embodiment of the utility model, the shell 1 and the cover body 6 are of cylindrical structures, the solar circuit board 41 is of a circular ring structure, the monitoring control panel 5 is of a circular plate structure, eight solar panels 42 are arranged, and the solar panels are vertically arranged on the solar circuit board 41 by taking a central axis of the solar circuit board 41 in the vertical direction as a central axis, so that the solar monitoring device is small in size, compact in structure and convenient to install.
Referring to fig. 7, the power module 54 is a rechargeable lithium battery of model ER32L100, and the power module 54 is disposed on the lower surface of the monitoring control board 5 and electrically connected to the monitoring control board 5; the microcontroller 51 is a processor of model STM32L051K8U6, and the display module 55 is an LCD display screen; the wireless communication module 53 includes a LORA chip of the LORA1268-470 model and a LORA antenna, which is disposed on the monitoring control board.
The power supply module further comprises an ADP8091 type power supply management chip and a TLV61220DBVR type power supply converter, the power supply module manages and controls the power generation of the photovoltaic power generation of the solar panel, the TLV61220DBVR type power supply converter is used for boosting the output voltage of the lithium battery, and the signal acquisition module is an ADS1000A0IDBVR type analog-to-digital converter circuit.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. Gaseous trinity sensor of sulfur hexafluoride based on solar energy power supply, its characterized in that includes:
a housing;
the connecting seat block is arranged at the bottom of the shell and is used for being connected with a connector of equipment to be monitored;
the detection sensor assembly comprises a sealing shell, a pressure sensor, a temperature sensor and a humidity sensor, wherein the pressure sensor, the temperature sensor and the humidity sensor are arranged in the shell and are arranged in the sealing shell;
the solar control panel comprises a solar circuit board and a solar panel, the solar circuit board is connected with the sealing shell through a fixing support, and the solar panel is vertically fixed with the solar circuit board;
the monitoring control panel is provided with a microcontroller, a signal acquisition module, a wireless communication module, a power supply module and a display module, the output ends of the signal acquisition module and the power supply module are connected with the microcontroller, and the output end of the microcontroller is connected with the wireless communication module and the display module;
the output end of the solar circuit board is connected with the power supply module, the monitoring control panel is connected with the other end of the solar panel, the monitoring control panel and the solar circuit board are arranged in parallel, and the upper surface of the monitoring control panel is provided with a display module;
the cover body is arranged on the outer sides of the solar control panel and the monitoring control panel and connected with the shell.
2. The sulfur hexafluoride gas three-in-one sensor based on solar power supply is characterized in that the cover body is in threaded connection with the shell, a boss is arranged on the shell, external threads are arranged on the boss, and internal threads matched with the external threads on the boss are arranged on the inner side of the opening of the cover body.
3. The sulfur hexafluoride gas three-in-one sensor based on solar power supply as claimed in claim 1, wherein an insulating anti-theft nut is arranged on the connecting block, a first internal thread and a second internal thread are arranged on the inner side of the insulating anti-theft nut, the spiral directions of the first internal thread and the second internal thread are opposite, the first internal thread is connected with an external thread at the end of the connecting block, and the second internal thread is used for being connected with an external thread of an equipment connecting port.
4. The solar power supply-based sulfur hexafluoride gas three-in-one sensor as claimed in claim 1, wherein a first sealing ring is arranged between the connecting block and the housing, a second sealing ring is arranged between the sealing shell and the housing, and a third sealing ring is arranged between the cover body and the housing.
5. The solar-powered sulfur hexafluoride gas three-in-one sensor as claimed in claim 1, wherein the housing includes a side made of light-transmitting polycarbonate material and an end made of wave-transmitting material.
6. The sulfur hexafluoride gas three-in-one sensor based on solar power supply as claimed in claim 1, wherein the housing and the cover body are of a cylindrical structure, the solar circuit board is of a circular ring structure, and the monitoring control board is of a circular plate structure.
7. The solar power supply-based sulfur hexafluoride gas three-in-one sensor as claimed in claim 1, wherein the number of the solar panels is eight, and the solar panels are vertically arranged on the solar circuit board by taking a central axis in a vertical direction of the solar circuit board as a central axis.
8. The solar power supply-based sulfur hexafluoride gas three-in-one sensor as claimed in claim 1, wherein the power module is a rechargeable lithium battery of model number ER32L100, and the power module is disposed on the lower surface of the monitoring control board and electrically connected with the monitoring control board.
9. The solar-powered sulfur hexafluoride gas three-in-one sensor as claimed in claim 1, wherein the microcontroller is a processor of model STM32L051K8U6, and the display module is an LCD display screen.
10. The solar-powered sulfur hexafluoride gas tri-in-one sensor as claimed in claim 1, wherein said wireless communication module includes a LORA chip model number LORA1268-470 and LORA antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202122070001.1U CN215812234U (en) | 2021-08-31 | 2021-08-31 | Sulfur hexafluoride gas three-in-one sensor based on solar power supply |
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| CN202122070001.1U CN215812234U (en) | 2021-08-31 | 2021-08-31 | Sulfur hexafluoride gas three-in-one sensor based on solar power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607600A (en) * | 2021-08-31 | 2021-11-05 | 西安亚能电气有限责任公司 | Sulfur hexafluoride gas three-in-one monitoring sensor based on solar power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607600A (en) * | 2021-08-31 | 2021-11-05 | 西安亚能电气有限责任公司 | Sulfur hexafluoride gas three-in-one monitoring sensor based on solar power supply |
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