CN216206579U - Sulfur hexafluoride gas three-in-one monitoring sensor for indoor installation - Google Patents
Sulfur hexafluoride gas three-in-one monitoring sensor for indoor installation Download PDFInfo
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- CN216206579U CN216206579U CN202122379952.7U CN202122379952U CN216206579U CN 216206579 U CN216206579 U CN 216206579U CN 202122379952 U CN202122379952 U CN 202122379952U CN 216206579 U CN216206579 U CN 216206579U
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- power supply
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Abstract
The utility model discloses a sulfur hexafluoride gas three-in-one monitoring sensor for indoor installation, which comprises: the sensor comprises a sensor body, a power supply and a power line; the sensor body comprises a shell, a temperature sensor, a pressure sensor, a humidity sensor, a circuit control board, a wireless communication module and an external antenna, wherein a connecting seat block connected with an equipment connecting port is arranged on the shell; the inside of the shell is divided into a closed cavity and a control cavity by a partition plate, a temperature sensor, a pressure sensor and a humidity sensor are arranged in the closed cavity, a circuit control panel and a wireless communication module are arranged in the control cavity, and a power supply wire inlet hole and an antenna interface are arranged on the side edge of the control cavity; the power supply comprises a battery box body, a battery pack and a battery box cover, and a power outlet hole is formed in the battery box body. 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 monitoring sensor for indoor installation.
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 monitoring pressure (and density value after conversion), when sulfur hexafluoride gas contains moisture, the monitoring cannot be carried out in time, and 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, 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 serious potential safety hazard exists in the maintenance process of a transformer substation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of overcoming the defects in the prior art and discloses a sulfur hexafluoride gas three-in-one monitoring sensor for indoor installation.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
a gaseous trinity monitoring sensor of sulfur hexafluoride for indoor installation includes:
the sensor comprises a sensor body, a power supply and a power line;
the sensor body comprises a shell, a temperature sensor, a pressure sensor, a humidity sensor, a circuit control board, a wireless communication module and an external antenna, wherein a connecting seat block connected with an equipment connecting port is arranged on the shell; the inside of the shell is divided into a closed cavity and a control cavity by a partition plate, the temperature sensor, the pressure sensor and the humidity sensor are arranged in the closed cavity, the circuit control panel and the wireless communication module are arranged in the control cavity, and a power supply wire inlet hole and an antenna interface are arranged on the side edge of the control cavity;
the power supply comprises a battery box body, a battery pack and a battery box cover, wherein the battery pack is arranged in the battery box body, the battery box cover is buckled above the battery box body, and a power supply outlet hole is formed in the battery box body;
one end of the power line is connected with the battery pack through a power line outlet hole, and the other end of the power line is connected with the circuit control board through a power line inlet hole;
the output ends of the temperature sensor, the pressure sensor and the humidity sensor are connected with the circuit control board, the output end of the circuit control board is connected with the wireless communication module, and the wireless communication module is connected with the external antenna through the antenna interface.
According to a further technical scheme of the utility model, a first mounting boss and a second mounting boss are arranged on two sides of the battery box body, fixing holes are formed in the first mounting boss and the second mounting boss, a first magnet and a second magnet are arranged on the first mounting boss and the second mounting boss, and the first magnet and the second magnet are fixed with the first mounting boss and the second mounting boss through fixing nuts.
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.
The utility model adopts the further technical scheme that an incoming wire gland head is arranged at the position of the power supply incoming wire hole, and an outgoing wire gland head is arranged at the position of the power supply outgoing wire hole.
According to a further technical scheme, the partition plate is provided with a threading hole, a threading sealing piece is arranged on the threading hole, and a sealing ring is arranged on the outer side of the partition plate.
As a further technical solution of the present invention, a first seal ring is disposed between the connecting seat block and the housing.
The further technical scheme of the utility model is that the circuit control board adopts a processor of model STM32L051K8U 6.
As a further technical solution of the present invention, the wireless communication module includes a LORA chip of a LORA1268-470 model, and the external antenna is a LORA antenna.
Compared with the prior art, the utility model has the following advantages:
1. the connecting seat block is connected with an equipment connecting port of sulfur hexafluoride equipment, the connecting seat block is matched with an original equipment connecting port, and temperature, pressure and micro-water monitoring is carried out on sulfur hexafluoride gas on the premise of not changing the equipment connecting port;
2. the insulating anti-theft nut is arranged at the connecting seat block, so that the anti-theft effect is achieved.
3. In order to ensure the accuracy of detection, a threading hole is formed in the partition plate, a threading sealing piece is arranged on the threading hole, and a sealing ring is arranged on the outer side of the partition plate; a first sealing ring is arranged between the connecting seat block and the shell.
4. 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 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, early warning is performed to remind operation and maintenance personnel to check and maintain in time.
Drawings
FIG. 1 is a structural diagram of a sulfur hexafluoride gas three-in-one monitoring sensor for indoor installation, which is provided by the utility model;
fig. 2 is a structure diagram of the sensor body in a split manner according to the present invention;
fig. 3 is a structural diagram of the power supply provided by the utility model;
fig. 4 is a cross-sectional view of the sensor body according to the present invention;
FIG. 5 is a connection structure diagram of the connection block and the insulation antitheft nut according to the present invention;
FIG. 6 is a control structure diagram of a sulfur hexafluoride gas three-in-one monitoring sensor provided by the utility model;
description of reference numerals:
1-a sensor body, 2-a power supply, 3-a power line and 4-an equipment connector;
11-housing, 12-temperature sensor, 13-pressure sensor, 14-humidity sensor; 15-circuit control board, 16-wireless communication module, 17-external antenna, 18-insulating anti-theft nut, 19-wire-in Glan head;
21-a battery box body, 22-a battery pack and 23-a battery box cover;
211-a power outlet hole, 212-a first mounting boss, 213-a second mounting boss, 214-a first magnet, 215-a second magnet, 216-an outlet wire gland head;
111-connection seat block, 112-the separator, 113-power inlet hole, 114-antenna interface, 115-thread seal, 116-seal ring, 117-self-sealing valve, 118-pressure sensor joint, 119-first seal 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 6, wherein fig. 1 is a structural diagram of a sulfur hexafluoride gas three-in-one monitoring sensor for indoor installation according to the present invention; fig. 2 is a structure diagram of the sensor body in a split manner according to the present invention; fig. 3 is a structural diagram of the power supply provided by the utility model; fig. 4 is a cross-sectional view of the sensor body according to the present invention; FIG. 5 is a connection structure diagram of the connection block and the insulation antitheft nut according to the present invention; FIG. 6 is a control structure diagram of a sulfur hexafluoride gas three-in-one monitoring sensor provided by the utility model;
as shown in fig. 1 to 6, a sulfur hexafluoride gas three-in-one monitoring sensor for indoor installation includes: the sensor comprises a sensor body 1, a power supply 2 and a power line 3;
the sensor body 1 comprises a shell 11, a temperature sensor 12, a pressure sensor 13, a humidity sensor 14, a circuit control board 15, a wireless communication module 16 and an external antenna 17, wherein a connecting seat block 111 connected with the equipment connecting port 4 is arranged on the shell 11; the inside of the shell 11 is divided into a closed chamber and a control chamber by a partition plate 112, the temperature sensor 12, the pressure sensor 13 and the humidity sensor 14 are arranged in the closed chamber, the circuit control board 15 and the wireless communication module 16 are arranged in the control chamber, and a power supply wire inlet 113 and an antenna interface 114 are arranged on the side edge of the control chamber;
the power supply 2 comprises a battery box body 21, a battery pack 22 and a battery box cover 23, wherein the battery pack 22 is arranged in the power box body 21, the battery box cover 23 is buckled above the battery box body 21, and a power outlet hole 211 is formed in the battery box body 21;
one end of the power line 3 is connected with the battery pack 22 through a power line outlet hole 211, and the other end of the power line 3 is connected with the circuit control board 15 through a power line inlet hole 113;
the output ends of the temperature sensor 12, the pressure sensor 13 and the humidity sensor 14 are connected with a circuit control board 15, the output end of the circuit control board 15 is connected with a wireless communication module 16, and the wireless communication module 26 is connected with an external antenna 17 through an antenna interface 114.
In the embodiment of the utility model, the sulfur hexafluoride equipment is monitored by arranging the temperature sensor, the pressure sensor and the humidity sensor, the connecting seat block is connected with the equipment connecting port of the sulfur hexafluoride equipment and matched with the original equipment connecting port, the monitoring on the micro water in the 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, early warning is carried out to remind an operation and maintenance person to check and maintain the sulfur hexafluoride equipment in time.
In the embodiment of the utility model, power supply for the sensor body is provided by a separate power supply, wherein the power supply adopts a battery, the battery is sealed in a waterproof way through a battery box body and a battery box cover, the battery and the body can be fixed on equipment detected by the sensor body through bolts, straps or a setting bracket, the sensor is convenient to mount and move by arranging a magnet to be adsorbed on the equipment, specifically, a first mounting boss 212 and a second mounting boss 213 are arranged on two sides of the battery box body 21, fixing holes are arranged on the first mounting boss 212 and the second mounting boss 213, a first magnet 214 and a second magnet 215 are arranged on the first mounting boss 212 and the second mounting boss 213, and the first magnet 214 and the second magnet 215 are fixed with the first mounting boss 212 and the second mounting boss 213 through fixing nuts.
This is covered to the battery case and is still set up the label for carry out sign and suggestion to the battery that sets up in battery case body inside, the position of sign battery positive pole and negative pole, and the word that the suggestion "positive pole is up, strictly forbidden to stand upside down" is described.
Referring to fig. 5, a connection structure diagram of the connection seat block and the insulation antitheft nut is provided; set up insulating antitheft nut 18 on the connection seat piece 111, insulating antitheft nut 18 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 screw thread connection of first internal thread and connection seat piece 111 tip, the second internal thread is used for the external screw thread connection with equipment connector 4.
When the connection block 111 is screwed and fixed to the device connection port 4, the insulation anti-theft nut 18 is screwed to the connection block 111 in the same direction, and the connection block 111 is embedded into the insulation anti-theft nut 18, wherein the insulation anti-theft nut 18 must be unscrewed with a special hand tool, if the insulation anti-theft nut is not opened by using the special hand tool, and the base is rotated in the opposite direction by bare hand, 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 hand, and the anti-theft effect is achieved.
In the embodiment of the utility model, the wire inlet gland head 19 is arranged at the power supply wire inlet hole 113, the wire outlet gland head 216 is arranged at the power supply wire outlet hole 211, and the wire inlet gland head and the wire outlet gland head are arranged on the power supply wire inlet hole and the power supply wire outlet hole, so that the waterproof sealing effect is good.
In order to ensure the detection accuracy, a sealed cavity is arranged in the shell, so that the actual sulfur hexafluoride gas can be conveniently obtained, the pressure, the temperature and the micro water of the sulfur hexafluoride gas can be detected, and the electric connection between the temperature sensor, the pressure sensor and the humidity sensor and the circuit control panel can be ensured, a threading hole is formed in the partition plate 112, a threading sealing piece 115 is arranged on the threading hole, and a sealing ring 116 is arranged on the outer side of the partition plate 112; a first sealing ring 119 is arranged between the connecting block 111 and the housing 11.
In the embodiment of the present invention, the circuit control board 15 adopts a processor of model STM32L051K8U6, the wireless communication module 16 includes a LORA chip of model LORA1268-470, and the external antenna 17 is a LORA antenna. The power supply further comprises an ADP8091 type power management chip and a TLV61220DBVR type power converter, the power management chip 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 (8)
1. The utility model provides a gaseous trinity monitoring sensor of sulfur hexafluoride for indoor installation which characterized in that includes:
the sensor comprises a sensor body, a power supply and a power line;
the sensor body comprises a shell, a temperature sensor, a pressure sensor, a humidity sensor, a circuit control board, a wireless communication module and an external antenna, wherein a connecting seat block connected with an equipment connecting port is arranged on the shell; the inside of the shell is divided into a closed cavity and a control cavity by a partition plate, the temperature sensor, the pressure sensor and the humidity sensor are arranged in the closed cavity, the circuit control panel and the wireless communication module are arranged in the control cavity, and a power supply wire inlet hole and an antenna interface are arranged on the side edge of the control cavity;
the power supply comprises a battery box body, a battery pack and a battery box cover, wherein the battery pack is arranged in the battery box body, the battery box cover is buckled above the battery box body, and a power supply outlet hole is formed in the battery box body;
one end of the power line is connected with the battery pack through a power line outlet hole, and the other end of the power line is connected with the circuit control board through a power line inlet hole;
the output ends of the temperature sensor, the pressure sensor and the humidity sensor are connected with the circuit control board, the output end of the circuit control board is connected with the wireless communication module, and the wireless communication module is connected with the external antenna through the antenna interface.
2. The sulfur hexafluoride gas three-in-one monitoring sensor for indoor installation of claim 1, wherein a first mounting boss and a second mounting boss are arranged on two sides of the battery box body, fixing holes are formed in the first mounting boss and the second mounting boss, a first magnet and a second magnet are arranged on the first mounting boss and the second mounting boss, and the first magnet and the second magnet are fixed with the first mounting boss and the second mounting boss through fixing nuts.
3. The sulfur hexafluoride gas three-in-one monitoring sensor for indoor installation of claim 1, wherein 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 of the connecting seat block, and the second internal thread is used for being connected with an external thread of an equipment connecting port.
4. The sulfur hexafluoride gas three-in-one monitoring sensor as claimed in claim 1, wherein an incoming wire glan head is arranged at the power supply incoming wire hole, and an outgoing wire glan head is arranged at the power supply outgoing wire hole.
5. The sulfur hexafluoride gas three-in-one monitoring sensor for indoor installation of claim 1, wherein the partition plate is provided with a threading hole, a threading sealing member is arranged on the threading hole, and a sealing ring is arranged on the outer side of the partition plate.
6. The sulfur hexafluoride gas three-in-one monitoring sensor as claimed in claim 1, wherein a first sealing ring is disposed between the connecting block and the housing.
7. The sulfur hexafluoride gas three-in-one monitoring sensor for indoor installation of claim 1, wherein the circuit control board adopts a processor of model STM32L051K8U 6.
8. The three-in-one sulfur hexafluoride gas monitoring sensor as claimed in claim 1, wherein the wireless communication module includes a LORA chip model No. 1268-470, and the external antenna is a LORA antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122379952.7U CN216206579U (en) | 2021-09-29 | 2021-09-29 | Sulfur hexafluoride gas three-in-one monitoring sensor for indoor installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122379952.7U CN216206579U (en) | 2021-09-29 | 2021-09-29 | Sulfur hexafluoride gas three-in-one monitoring sensor for indoor installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216206579U true CN216206579U (en) | 2022-04-05 |
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ID=80927073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122379952.7U Active CN216206579U (en) | 2021-09-29 | 2021-09-29 | Sulfur hexafluoride gas three-in-one monitoring sensor for indoor installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216206579U (en) |
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2021
- 2021-09-29 CN CN202122379952.7U patent/CN216206579U/en active Active
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