CN210005516U - sulfur hexafluoride monitoring terminal based on LoRa network - Google Patents
sulfur hexafluoride monitoring terminal based on LoRa network Download PDFInfo
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- CN210005516U CN210005516U CN201920816718.6U CN201920816718U CN210005516U CN 210005516 U CN210005516 U CN 210005516U CN 201920816718 U CN201920816718 U CN 201920816718U CN 210005516 U CN210005516 U CN 210005516U
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Abstract
The utility model discloses a kinds of sulfur hexafluoride monitor terminal based on loRa network, including loRa communication module, power module, sulfur hexafluoride sensor module, MCU core control module, O2, O3 detection module, environment temperature and humidity sensor module, th antenna, loRa gateway, loRa communication module, power module, sulfur hexafluoride sensor module, O2, O3 detection module, environment temperature and humidity sensor module all with MCU core control module electric connection, th antenna, loRa gateway all with loRa communication module electric connection, loRa gateway and backstage wireless connection.
Description
Technical Field
The utility model relates to an kinds of sulfur hexafluoride monitor terminal based on loRa network.
Background
In the present electric power engineering field, sulfur hexafluoride is electronegative gases applying , and the main function of the sulfur hexafluoride is to be applied to a high-voltage switch and equipment thereof as excellent insulating and arc extinguishing media, sulfur hexafluoride gas has become the preferred insulating and arc extinguishing medium in the high-voltage, ultrahigh-voltage and extra-high-voltage fields, sulfur hexafluoride has been applied to small-sized electrical equipment since its good electrical properties since its self-combination, with the continuous development of scientific technology, a large number of large-sized sulfur hexafluoride gas-insulated electrical equipment is introduced and successfully developed, the development of sulfur hexafluoride electrical equipment is promoted, so far, a high-voltage circuit breaker almost all uses sulfur hexafluoride instead of insulating oil and air media, along with the popularization of gas-insulated fully-closed power distribution devices and the harm caused by sulfur hexafluoride leakage, the monitoring of the gas is also developed, the traditional sulfur hexafluoride monitoring devices mostly have the defects of single monitoring , large error rate, non-monitoring and the like, and the traditional monitoring devices adopt a wired communication mode to install and have high cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming not enough in the current product, provide kinds of sulfur hexafluoride monitor terminal based on loRa network.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
sulfur hexafluoride monitor terminal based on loRa network, including loRa communication module, power module, sulfur hexafluoride sensor module, MCU core control module, O2, O3 detection module, environment temperature and humidity sensor module, antenna, loRa gateway, loRa communication module, power module, sulfur hexafluoride sensor module, O2, O3 detection module, environment temperature and humidity sensor module all with MCU core control module electric connection, antenna, loRa gateway all with loRa communication module electric connection, loRa gateway and backstage wireless connection.
The sulfur hexafluoride SENSOR module includes an SF6SENSOR sulfur hexafluoride SENSOR U3.
The model of the LoRa communication module is LSD4RF-2F717N 30.
The MCU core control module comprises an STM32L053 type low-power consumption MCU chip.
The environment temperature and humidity sensor module comprises a temperature and humidity sensor chip of SHT 20.
The LoRa communication module comprises a LoRa chip of LSD4RF-2F717N 30.
The th antenna is a spring antenna.
The utility model has the beneficial effects of the utility model discloses a system simple structure, small in size, facilitate the use, can satisfy and establish sulfur hexafluoride monitoring system fast, be applied to application requirement and the scene that traditional wire communication monitoring equipment can't satisfy, possess low-bandwidth, low-power consumption, the advantage of easy installation the utility model discloses guaranteed the safety of communication, reduced the equipment consumption, improved the degree of accuracy and the promptness of sulfur hexafluoride monitoring, reduced the installation degree of difficulty and installation cost, saved the installation required time, shortened installation period, put into use more fast, the utility model discloses a its biggest characteristics of loRa network communication technique just are farther than the distance of other wireless modes propagation under same consumption condition, have realized low-power consumption and remote system , and it enlarges 3-5 times than traditional wireless radio frequency communication distance under same consumption the utility model discloses utilize leakage monitoring 03, O2 concentration detection to judge the electric leakage, then cooperate the low price network communication technique to make the utility model have very big advantage in the aspect of practicality, cost control and energy-conservation.
Drawings
FIG. 1 is a block diagram of the present invention;
fig. 2 is a circuit diagram of a LoRa communication module;
FIG. 3 is a circuit diagram of a sulfur hexafluoride sensor module.
Detailed Description
The technical scheme of the utility model is explained in steps with the accompanying drawings of the specification:
as shown in fig. 1, sulfur hexafluoride monitoring terminals based on the LoRa network include LoRa communication module 1, power module 2, sulfur hexafluoride sensor module 3, MCU core control module 4, O2, O3 detection module 5, environment temperature and humidity sensor module 6, th antenna 7, and LoRa gateway 8, where the LoRa communication module 1, power module 2, sulfur hexafluoride sensor module 3, O2, O3 detection module 5, and environment temperature and humidity sensor module 6 are all electrically connected to the MCU core control module 4, the th antenna 7, and the LoRa gateway 8 are both electrically connected to the LoRa communication module 1, and the LoRa gateway 8 is wirelessly connected to the background 9.
The sulfur hexafluoride SENSOR module 3 comprises an SF6SENSOR sulfur hexafluoride SENSOR, the LoRa communication module 1 is of the type LSD4RF-2F717N30, the MCU core control module 4 comprises an STM32L053 type low-power consumption MCU chip, the environment temperature and humidity SENSOR module 6 comprises an SHT20 temperature and humidity SENSOR chip, the LoRa communication module 1 comprises an LSD4RF-2F717N30 LoRa chip, and the antenna 7 is a spring antenna.
As shown in fig. 2, the LoRa communication module 1 includes a LSD4RF-2F717N30 chip U3, a capacitor C6, a capacitor C7, and a capacitor C8.
As shown in FIG. 3, the sulfur hexafluoride SENSOR module includes an SF6SENSOR sulfur hexafluoride SENSOR U3, a capacitor C7, a capacitor C8, a resistor R6, and a resistor R7.
The sulfur hexafluoride sensor module, the O2, the O3 detection module and the environmental temperature and humidity sensor module all have the working principle that the change of environmental parameters is detected through the change of numerical values such as different sensor resistance values, and the numerical value change of the sensors is finally reflected through voltage or current and processed by the MCU core control module to obtain the change of relevant environmental parameter data.
The sulfur hexafluoride sensor module judges whether the concentration of sulfur hexafluoride in the monitoring equipment leaks or not, and since the sulfur hexafluoride is stable inert gases and cannot easily react with gases in the air, the concentration of the sulfur hexafluoride is not easy to change in a fully-closed power distribution device, if the concentration changes, the gas leakage can be judged, and the O3 and O2 concentration detection module monitors whether the inside of the equipment leaks electricity or not, because once the electricity leaks, the contents of O3 and O2 in the air can change, electric arcs generated by the electricity leakage in the equipment can enable O2 to react to generate 03, if the concentration of O3 in the equipment rises and the concentration of O2 drops, the humidity in the equipment also can possibly change when the sulfur hexafluoride leaks, and because the performance of the sulfur hexafluoride is influenced by the humidity, the temperature and humidity sensor module can monitor the temperature and humidity data in the equipment after the problem of the leakage problem is solved, so that maintenance personnel can correct the humidity in the equipment in time and ensure that the data collected by all sensors are communicated to the LoRa leakage of the electric network to the background of the electric equipment after being processed by the MCU core control module, and the leakage of the gas can be monitored.
The sulfur hexafluoride monitoring not only monitors whether leakage occurs inside the totally-enclosed power distribution equipment, but also monitors the sulfur hexafluoride gas concentration of personnel workplaces such as a power distribution equipment installation site and a power distribution equipment room, and the like, so as to ensure the physical health of field installation and maintenance workers, the sulfur hexafluoride concentration in the working environment is not more than 1000 x 10^ 6ppm, the gas specific gravity of the sulfur hexafluoride is greater than that of air, so the sulfur hexafluoride gas concentration is easy to deposit in low-lying areas such as cable ducts, and the sulfur hexafluoride gas concentration is colorless, odorless, tasteless and large in specific gravity, denier is not easy to be detected and dispersed by people when leakage occurs indoors, dizziness, reaction delay, coma and even suffocating are caused when the concentration is too high, the sulfur hexafluoride gas concentration is monitored in real time and uploaded to a background by the utility model, denier of the power distribution equipment sends the leakage background to obtain information fastest, personnel are evacuated and the power distribution equipment is repaired as soon as possible, the life safety of the workers is ensured, meanwhile, if the sulfur hexafluoride gas leakage occurs in the power distribution equipment, the arc extinguishing capability is reduced, the sulfur hexafluoride gas concentration monitoring module is generated in high-voltage equipment, 355638, the sulfur hexafluoride gas generating function of a sulfur hexafluoride gas generating a low-containing arc generating sensor is ensured more completely-365638, the sulfur-generating a sulfur-generating harmful and a sulfur-generating harmful effect of a sulfur-containing module under the 365634O monitoring mode, a 365634O monitoring module, a more accurately, a 365634O safety monitoring module is ensured, a more accurately, a sulfur-generating safety monitoring module, a sulfur-generating safety sensor module is used for ensuring.
The working principle is as follows:
the sulfur hexafluoride sensor module 3 detects the concentration of sulfur hexafluoride by adopting an infrared spectrum absorption technology, the principle of the technology is that sulfur hexafluoride is used as greenhouse gas, and the sulfur hexafluoride has strong absorption characteristics on infrared light of a specific waveband, the infrared spectrum technology has the characteristics of high cost, complex structure, high sensitivity, no influence and interference of environment, and small detection error caused by the change of the temperature and humidity of the environment, and the sulfur hexafluoride sensor module, the O2, the O3 detection module and the environment temperature and humidity sensor module transmit collected environment data to the MCU core control module, and transmit the environment data to the LoRa communication module after being processed by the MCU core control module, and the LoRa communication module is connected with the LoRa gateway through a antenna 7 and transmits the data to the LoRa gateway, and the LoRa gateway can upload the data to a background, and a worker can respond after receiving the data, so that the sulfur hexafluoride sensor module has high usability and reliability.
The utility model discloses an infrared spectroscopy technique is though the price is high but very good to the effect of monitoring sulfur hexafluoride concentration change, has really realized early the management early precaution of early discovery to sulfur hexafluoride leakage, guarantees staff life safety. Meanwhile, whether leakage of sulfur hexafluoride causes electric leakage due to reduction of arc extinguishing capability inside the power distribution equipment is judged by detecting the concentrations of O3 and O2, the comprehensiveness and the efficiency of monitoring are improved, and workers can master the state of the power distribution equipment more comprehensively. The utility model discloses if install inside sulfur hexafluoride gas insulation totally closed distribution equipment, then whether can monitor distribution equipment's seal constantly whether complete, whether equipment takes place to leak, can in time know the airtight state of equipment, in time discover in time when the problem ends the loss, avoid major accident and leak the production of the secondary disaster that leads to. The sulfur hexafluoride gas leakage monitoring device can monitor whether sulfur hexafluoride leaks at a construction site or not, and the influence of the sulfur hexafluoride gas leakage on the life health of workers is avoided. The method can be applied to the sulfur hexafluoride transportation process, roads around the power distribution equipment and other related working and living places, and the timeliness and the reliability of sulfur hexafluoride monitoring are comprehensively guaranteed.
The utility model discloses system simple structure, small in size, facilitate the use, can satisfy and establish sulfur hexafluoride monitoring system fast, be applied to traditional wired communication monitoring and equip application requirement and the scene that can't satisfy, possess low bandwidth, low-power consumption, the advantage of easy installation, the utility model discloses guarantee the safety of communication, reduced the equipment consumption, improved the degree of accuracy and the promptness of sulfur hexafluoride monitoring, reduced the installation degree of difficulty and installation cost, saved installation required time, shortened installation cycle, put into use more soon, the utility model discloses a its biggest characteristics of loRa network communication technique just more remote than the distance of other wireless modes propagation under same consumption condition, realized low-power consumption and remote of making, it enlarges 3-5 times than traditional wireless radio frequency communication distance under same consumption, the utility model discloses utilize sulfur hexafluoride leakage monitoring 03, O2 concentration detection to judge the electric leakage, then cooperate low price loRa network communication technique to make this utility model have very big advantage in the aspect of practicality, cost control and energy-conservation.
It should be noted that the above list is only specific embodiments of the present invention, obviously, the present invention is not limited to the above embodiments, but many variations are possible, and in short, all the variations that can be derived or suggested directly from the disclosure of the present invention by those skilled in the art should be considered as the protection scope of the present invention.
Claims (7)
1, kind sulfur hexafluoride monitor terminal based on loRa network, its characterized in that, including loRa communication module (1), power module (2), sulfur hexafluoride sensor module (3), MCU core control module (4), O2, O3 detection module (5), environment temperature and humidity sensor module (6), antenna (7), loRa gateway (8), loRa communication module (1), power module (2), sulfur hexafluoride sensor module (3), O2, O3 detection module (5), environment temperature and humidity sensor module (6) all with MCU core control module (4) electric connection, antenna (7), loRa gateway (8) all with loRa communication module (1) electric connection, loRa gateway (8) and backstage (9) wireless connection.
2. The sulfur hexafluoride monitoring terminal based on the LoRa network of claim 1, wherein the sulfur hexafluoride SENSOR module (3) includes an SF6SENSOR sulfur hexafluoride SENSOR.
3. The sulfur hexafluoride monitoring terminal based on the LoRa network is characterized in that the model of the LoRa communication module (1) is LSD4RF-2F717N 30.
4. The sulfur hexafluoride monitoring terminal based on the LoRa network is characterized in that the MCU core control module (4) comprises an STM32L053 type low-power consumption MCU chip.
5. The sulfur hexafluoride monitoring terminal based on the LoRa network of claim 1, wherein the ambient temperature and humidity sensor module (6) includes a temperature and humidity sensor chip of SHT 20.
6. The sulfur hexafluoride monitoring terminal based on the LoRa network is characterized in that the LoRa communication module (1) comprises a LoRa chip of LSD4RF-2F717N 30.
7. The sulfur hexafluoride monitoring terminal based on the LoRa network as claimed in claim 1, wherein the th antenna (7) is a spring antenna.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920816718.6U CN210005516U (en) | 2019-06-02 | 2019-06-02 | sulfur hexafluoride monitoring terminal based on LoRa network |
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| CN201920816718.6U CN210005516U (en) | 2019-06-02 | 2019-06-02 | sulfur hexafluoride monitoring terminal based on LoRa network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579726A (en) * | 2020-06-05 | 2020-08-25 | 广东电网有限责任公司广州供电局 | Multifunctional sensing detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579726A (en) * | 2020-06-05 | 2020-08-25 | 广东电网有限责任公司广州供电局 | Multifunctional sensing detection device |
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