CN217953551U - Sulfur hexafluoride temperature pressure sensor based on solar power supply - Google Patents
Sulfur hexafluoride temperature pressure sensor based on solar power supply Download PDFInfo
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- CN217953551U CN217953551U CN202222048051.4U CN202222048051U CN217953551U CN 217953551 U CN217953551 U CN 217953551U CN 202222048051 U CN202222048051 U CN 202222048051U CN 217953551 U CN217953551 U CN 217953551U
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- pressure sensor
- sulfur hexafluoride
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Abstract
The utility model discloses a sulfur hexafluoride temperature pressure sensor based on solar energy power supply, include: the sensor comprises a shell and a valve body assembly connected with the shell, wherein a sensor assembly, a power supply and a control circuit board are arranged in the shell, a supporting plate is arranged in the shell, a threading hole is formed in the supporting plate, the sensor assembly is arranged in a cavity formed by the inner side of the shell and the supporting plate, and the power supply and the control circuit board are arranged on the outer side of the supporting plate; the shell is also provided with a cover body, and a sealing ring is arranged between the cover body and the shell; the sensor assembly comprises a pressure sensor and a temperature sensor, and the pressure sensor and the temperature sensor are connected with the control circuit board through lead wires of the threading holes; the power supply comprises a storage battery and a solar panel, wherein the solar panel is connected with a supporting plate through a fixing support, the storage battery is arranged on the supporting plate, and the solar panel is connected with the storage battery. The utility model realizes the sealing connection between the shell and the valve body component through the fastener; the installation is simple and convenient.
Description
Technical Field
The utility model relates to a monitoring technology field of transformer substation, concretely relates to sulfur hexafluoride temperature pressure sensor based on solar energy power supply.
Background
The safe and stable operation of the combined electrical apparatus (GIS) is vital to the power system, and the GIS can improve the power supply safety and meet the fundamental requirements of 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 property and arc extinguishing property, is very large in usage amount in a transformer substation, and especially a large number of small sulfur hexafluoride density relays are arranged 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 accuracy requirement of sulfur hexafluoride density indication is very high, and very large accidents can be caused once the relay makes mistakes; therefore, the sulfur hexafluoride density relay needs to be checked regularly, the traditional checking process comprises factory return checking and field checking, a newly replaced relay needs to be installed during factory return checking, and the sulfur hexafluoride density relay needs to be disassembled on the field during field checking, so that the sulfur hexafluoride density relay is connected with a gas circuit of the checking equipment independently; this disassembly process is very cumbersome and, in addition, the large number of sulfur hexafluoride density relays results in a very large amount of work.
The existing improvement mainly relates to a quick disassembly structure, for example, a connector at the tail end of a relay air inlet pipe of a sulfur hexafluoride density relay is designed to be a one-way valve connector, the one-way valve connector is generally a male valve connector or a female valve connector, an air path is conducted after splicing and assembling, and air leakage does not occur after disassembly, so that the disassembly and assembly are quick, and excessive air leakage can be avoided; but still requires a very specialized and complicated disassembly and assembly process of the equipment air pipe and the relay air inlet pipe on site.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough among the above-mentioned prior art, disclose sulfur hexafluoride temperature pressure sensor based on solar energy power supply.
The utility model provides a technical scheme that its technical problem adopted is:
sulfur hexafluoride temperature pressure sensor based on solar energy power supply includes:
the sensor comprises a shell and a valve body assembly connected with the shell, wherein a sensor assembly, a power supply and a control circuit board are arranged in the shell, a supporting plate is arranged in the shell, a threading hole is formed in the supporting plate, the sensor assembly is arranged in a cavity formed by the inner side of the shell and the supporting plate, and the power supply and the control circuit board are arranged on the outer side of the supporting plate; the shell is also provided with a cover body, and a sealing ring is arranged between the cover body and the shell;
the sensor assembly comprises a pressure sensor and a temperature sensor, and the pressure sensor and the temperature sensor are connected with the control circuit board through lead wires of the threading holes;
the solar panel is connected with the supporting plate through the fixing support, the supporting plate is provided with the storage battery, and the solar panel is connected with the storage battery;
the transformer interface testing device is characterized in that an equipment connecting hole, a detecting hole and a checking hole are formed in the valve body assembly, a change-over switch is arranged on the valve body assembly, the equipment connecting hole is used for being connected with a transformer interface, the detecting hole is used for being connected with the shell, and a plug is arranged on the checking hole.
As a further technical scheme of the utility model do, still include: the fastener is used for connecting the valve body assembly and the shell and comprises a mounting nut and a sealing washer, and the inner side of the mounting nut is of an inclined angle thread structure.
As a further technical solution of the present invention, the control circuit board is provided with a microcontroller, a signal conversion module, a wireless communication module and a display module, the output ends of the signal conversion module and the power module are connected to the microcontroller, and the output end of the microcontroller is connected to the wireless communication module and the display module; the control circuit board is connected with the solar panel, and the upper surface of the control circuit board is provided with a display module.
As a further technical scheme of the utility model do, the cover body passes through threaded connection with the shell, set up the boss on the shell, set up the external screw thread on the boss, the opening part inboard of the cover body set up with the interior screw-thread fit's of boss on the internal thread.
Furthermore, a first one-way valve is arranged at a port of the detection hole, a second one-way valve is arranged on the checking hole, the first one-way valve is communicated from the detection hole to the sulfur hexafluoride temperature pressure sensor, and the second one-way valve is communicated from the plug to the checking hole.
As a further technical scheme of the utility model do, set up insulating antitheft nut on the valve body subassembly, insulating antitheft nut inboard sets up first internal thread and second internal thread, first internal thread is opposite with the internal screw thread direction of second, the external screw thread connection of first internal thread and valve body subassembly tip, the second internal thread is used for the external screw thread connection with the equipment connector.
As a further technical proposal of the utility model, the cover body is made of transparent polycarbonate material.
As a further technical scheme of the utility model does, the battery is the chargeable lithium cell of model ER32L100, microcontroller is the treater of STM32L051K8U6 model, wireless communication module includes LORA chip and the LORA antenna of LORA1268-470 model.
Compared with the prior art, the utility model has the following advantage:
1. the sulfur hexafluoride equipment is monitored by arranging the temperature sensor and the pressure sensor, and the shell is hermetically connected with the valve body assembly through the fastener;
2. 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;
3. 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.
4. The anti-theft effect is achieved by arranging the insulating anti-theft nut at the valve body assembly.
5. 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 structural diagram of a sulfur hexafluoride temperature pressure sensor based on solar power supply provided by the utility model;
fig. 2 is a structure diagram of a single split sulfur hexafluoride temperature pressure sensor based on solar power supply;
fig. 3 is a cross-sectional view of a sulfur hexafluoride temperature pressure sensor monomer based on solar power supply provided by the utility model;
FIG. 4 is a view of the installation structure of the insulated antitheft nut of the present invention;
FIG. 5 is a view of the fastener structure according to the present invention;
description of reference numerals:
10-shell, 20-valve body component, 30-cover body, 40-insulating antitheft nut,
101-a sensor component, 102-a power supply, 103-a control circuit board, 104-a support plate, 141-a threading hole and 301-a sealing ring;
111-pressure sensor, 112-temperature sensor;
121-a storage battery, 122-a solar panel and 123-a fixed support;
131-microcontroller, 132-signal conversion module, 133-wireless communication module, 134-display module,
201-equipment connecting hole, 202-detecting hole, 203-checking hole, 204-change-over switch, 205-plug, 206-first one-way valve, 207-second one-way valve, 208-fastening piece;
401-a first internal thread, 402-a second internal thread;
281-mounting nut, 282-sealing washer, 283-inclination thread structure.
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 the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
It should be noted that the structure, proportion, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modification of the structure, change of the proportion relation or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention.
Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 1 to 5, the sulfur hexafluoride temperature and pressure sensor based on solar power supply comprises: the valve body assembly comprises a shell 10 and a valve body assembly 20 connected with the shell 10, wherein a sensor assembly 101, a power supply 102 and a control circuit board 103 are arranged in the shell 10, a supporting plate 104 is arranged in the shell 10, a threading hole 141 is formed in the supporting plate 104, the sensor assembly 101 is arranged in a cavity formed between the inner side of the shell 10 and the supporting plate 104, and the power supply 102 and the control circuit board 103 are arranged on the outer side of the supporting plate 104; a cover body 30 is further arranged on the shell 10, and a sealing ring 301 is arranged between the cover body 30 and the shell 10;
the sensor assembly 101 comprises a pressure sensor 111 and a temperature sensor 112, and the pressure sensor 111 and the temperature sensor 112 are connected with the control circuit board 103 through lead wires of the threading holes;
the power supply 102 comprises a storage battery 121 and a solar panel 122, the solar panel 122 is connected with the support plate 104 through a fixing support 123, the storage battery 121 is arranged on the support plate 104, and the solar panel 122 is connected with the storage battery 121;
set up equipment connecting hole 201, inspection hole 202 and check hole 203 on the valve body subassembly 20, set up change over switch 204 on the valve body subassembly 20, equipment connecting hole 201 is used for being connected with the transformer interface, inspection hole 202 is used for being connected with shell 10, set up end cap 205 on the check hole 203.
The embodiment of the utility model provides an in, still include: the fastening piece 208, the fastening piece 208 is used for connecting the valve body assembly 20 and the shell 10, the fastening piece 208 comprises a mounting nut 281 and a sealing washer 282, and the inner side of the mounting nut 281 is provided with an inclined angle thread structure 283. The shell and the valve body assembly are fixed through the fastener, the sealing washer plays a sealing role, and the mounting nut fastens the shell and the complex assembly through the internal inclination angle thread structure, so that the sealing effect is improved.
In the embodiment of the present invention, the control circuit board 103 is provided with a microcontroller 131, a signal conversion module 132, a wireless communication module 133 and a display module 134, the output end of the signal conversion module 132 is connected to the microcontroller 131, and the output end of the microcontroller 131 is connected to the wireless communication module 133 and the display module 134; the control circuit board 103 is connected with the solar panel 122, and the display module 134 is arranged on the upper surface of the control circuit board 103.
The cover body 30 is connected with the shell 10 through threads, a boss is arranged on the shell 10, an external thread is arranged on the boss, and an internal thread matched with the external thread on the boss is arranged on the inner side of an opening of the cover body 30.
The embodiment of the utility model provides an in, the port of inspection hole 202 sets up first check valve 206, set up second check valve 207 on the inspection hole 203, wherein first check valve switches on for inspection hole to sulfur hexafluoride temperature pressure sensor direction, and the second check valve switches on for end cap to inspection hole direction.
In the embodiment of the utility model, sulfur hexafluoride equipment is monitored by arranging the temperature sensor and the pressure sensor, the valve body assembly is connected with the equipment connecting port of the sulfur hexafluoride equipment, the valve body assembly is matched with the original equipment connecting port, the pressure of the sulfur hexafluoride is obtained by the pressure sensor on the premise of not changing the equipment connecting port, so that the gas density of the sulfur hexafluoride is calculated, and whether the sulfur hexafluoride equipment needs to be inflated is judged by the gas density of the sulfur hexafluoride;
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 control circuit board receives the information that detects sensor assembly on the one hand, simultaneously, comes out the information display that detects through display module to go out the information transmission that detects through wireless communication module, in time inform the operation and maintenance managers.
Referring to fig. 4, a connection structure diagram of the valve body assembly and the insulating antitheft nut is provided; an insulating anti-theft nut 40 is arranged on the valve body assembly 20, a first internal thread 401 and a second internal thread 402 are arranged on the inner side of the insulating anti-theft nut 40, the spiral directions of the first internal thread 401 and the second internal thread 402 are opposite, the first internal thread 401 is connected with the external thread at the end part of the valve body assembly 40, and the second internal thread 402 is used for being connected with the external thread of an equipment connecting port. The valve body assembly is connected with the transformer equipment through the insulating anti-theft nut, and the insulating anti-theft function is achieved.
When the valve body component is screwed and fixed on the equipment connecting port, the insulating anti-theft nut is screwed on the valve body component in the same direction, and the valve body component is embedded into the insulating anti-theft nut, wherein the insulating anti-theft nut can be unscrewed by a special hand tool, if the insulating anti-theft nut is not opened by the special hand tool, the base is rotated in the opposite direction by bare hands, the combination of the insulating anti-theft nut and the base is tighter and tighter, so that a thief cannot take away the insulating anti-theft nut by the bare hands, and the anti-theft effect is achieved.
The housing 30 is made of a light-transmitting polycarbonate material. Make things convenient for solar panel to absorb the sunlight to make things convenient for wireless communication module's signal transmission. 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.
The power supply module is a rechargeable lithium battery with the model number of ER32L100, and the power supply module is arranged on the lower surface of the monitoring control board and is electrically connected with the monitoring control board; the microcontroller is a processor of model STM32L051K8U6, and the display module is an LCD display screen; the wireless communication module includes a LORA chip of LORA1268-470 model and a LORA antenna, wherein the LORA antenna is disposed on the monitoring control board.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart 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 (8)
1. Sulfur hexafluoride temperature pressure sensor based on solar energy power supply, its characterized in that includes:
the sensor comprises a shell and a valve body assembly connected with the shell, wherein a sensor assembly, a power supply and a control circuit board are arranged in the shell, a supporting plate is arranged in the shell, a threading hole is formed in the supporting plate, the sensor assembly is arranged in a cavity formed by the inner side of the shell and the supporting plate, and the power supply and the control circuit board are arranged on the outer side of the supporting plate; the shell is also provided with a cover body, and a sealing ring is arranged between the cover body and the shell;
the sensor assembly comprises a pressure sensor and a temperature sensor, and the pressure sensor and the temperature sensor are connected with the control circuit board through lead wires of the threading holes;
the solar panel is connected with the supporting plate through the fixing support, the supporting plate is provided with the storage battery, and the solar panel is connected with the storage battery;
the transformer interface testing device is characterized in that an equipment connecting hole, a detecting hole and a checking hole are formed in the valve body assembly, a change-over switch is arranged on the valve body assembly, the equipment connecting hole is used for being connected with a transformer interface, the detecting hole is used for being connected with the shell, and a plug is arranged on the checking hole.
2. The solar power supply-based sulfur hexafluoride temperature and pressure sensor of claim 1, further comprising: the fastener is used for connecting the valve body assembly and the shell and comprises a mounting nut and a sealing washer, and the inner side of the mounting nut is of an inclined angle thread structure.
3. The sulfur hexafluoride temperature and pressure sensor based on solar power supply of claim 1, wherein a microcontroller, a signal conversion module, a wireless communication module and a display module are arranged on the control circuit board, the output ends of the signal conversion 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 control circuit board is connected with the solar panel, and the upper surface of the control circuit board is provided with a display module.
4. The sulfur hexafluoride temperature pressure sensor based on solar power supply of claim 1, wherein the cover body is in threaded connection with the shell, a boss is arranged on the shell, an external thread is arranged on the boss, and an internal thread matched with the external thread on the boss is arranged on the inner side of an opening of the cover body.
5. The sulfur hexafluoride temperature and pressure sensor based on solar power supply as claimed in claim 1, wherein a first one-way valve is arranged at a port of the detection hole, and a second one-way valve is arranged on the verification hole, wherein the first one-way valve is conducted from the detection hole to the sulfur hexafluoride temperature and pressure sensor in the direction, and the second one-way valve is conducted from a plug to the verification hole in the direction.
6. The sulfur hexafluoride temperature and pressure sensor based on solar power supply of claim 1, wherein an insulating anti-theft nut is arranged on the valve body assembly, a first internal thread and a second internal thread are arranged on the inner side of the insulating anti-theft nut, the first internal thread and the second internal thread are opposite in spiral direction, the first internal thread is connected with an external thread on the end portion of the valve body assembly, and the second internal thread is used for being connected with an external thread of an equipment connecting port.
7. The solar-powered sulfur hexafluoride temperature and pressure sensor of claim 1 wherein said housing is fabricated from a light-transmissive polycarbonate material.
8. The solar power supply-based sulfur hexafluoride temperature and pressure sensor of claim 3, wherein said storage battery is a model ER32L100 rechargeable lithium battery, said microcontroller is a model STM32L051K8U6 processor, and said wireless communication module includes a LORA chip and LORA antenna of models LORA 1268-470.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222048051.4U CN217953551U (en) | 2022-08-05 | 2022-08-05 | Sulfur hexafluoride temperature pressure sensor based on solar power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222048051.4U CN217953551U (en) | 2022-08-05 | 2022-08-05 | Sulfur hexafluoride temperature pressure sensor based on solar power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217953551U true CN217953551U (en) | 2022-12-02 |
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ID=84225972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222048051.4U Active CN217953551U (en) | 2022-08-05 | 2022-08-05 | Sulfur hexafluoride temperature pressure sensor based on solar power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217953551U (en) |
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2022
- 2022-08-05 CN CN202222048051.4U patent/CN217953551U/en active Active
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