Sulfur hexafluoride gas leakage on-line monitoring alarm device

Abstract

The utility model discloses a sulfur hexafluoride gas leakage on-line monitoring alarm device, which comprises an electric appliance assembly, the electric appliance assembly comprises a box frame, two sides of the bottom of the inner wall of the box frame are provided with air exhaust assemblies through bolts, the outer wall of one side of the top of each air exhaust assembly is provided with a transmitter acquisition module through bolts, and each air exhaust assembly comprises a pipe body piece. Supporting plates are mounted on the two sides of the inner wall of the pipe body part through bolts, a driving motor is mounted on the outer wall of one side of the top of each supporting plate through bolts, a mounting shaft is mounted at the output end of each driving motor through a coupler, and fan blades are connected to the exterior of each mounting shaft in a sleeving mode; when the device is powered on to operate, the driving motor is started, so that the mounting shaft drives the fan blades to rotate, air quickly enters the pipe body piece from one dustproof net opening and then is exhausted from the other dustproof net opening, indoor mixed air quickly flows through the pipe body piece and the transmitter acquisition module, and the indoor mixed air is purified. According to the utility model, the transmitter module can conveniently detect the indoor sulfur hexafluoride gas in time, so as to ensure that the response speed of the device is high, the collected data is real and accurate, an indoor exhaust ventilator and an alarm system are automatically or manually started for prompting output, and operation and maintenance personnel are protected to enter a room to work safely and reliably.

Description

Technical Field

[0001] The utility model relates to the technical field of sulfur hexafluoride gas monitoring, in particular to an online monitoring and alarm device for sulfur hexafluoride gas leakage. Background Art

[0002] SF6 - sulfur hexafluoride gas is widely used in power systems for its excellent insulation and arc extinguishing properties. Today, SF6 gas has become almost the only insulation and arc extinguishing medium in high-voltage and ultra-high-voltage circuit breakers and GIS (combination electrical appliances). Pure SF6 gas is colorless, tasteless, odorless, non-flammable, and has stable chemical properties at room temperature. However, during the disconnection operation of circuit breakers and switches, SF6 gas will decompose under factors such as arcs, corona, spark discharges, partial discharges and high temperatures. Its decomposition products will become corrosive electrolytes when they encounter moisture. Some of the highly toxic decomposition products, such as SF4, S2F2, S2F10, SOF2, HF and SO2, will irritate the skin, eyes, and mucous membranes. If inhaled in excess, it will cause dizziness and pulmonary edema, and even death. Most equipment filled with SF6 gas is installed indoors where the air circulation speed is relatively slow. If SF6 gas leaks, it will be deposited indoors and difficult to dissipate. SF6 gas itself is colorless and odorless, so it is not easy to be detected after leakage. In addition, because the specific gravity of SF6 gas is greater than that of air, it is often deposited in the low-level space, which can easily cause local hypoxia and suffocation.

[0003] For example, a sulfur hexafluoride gas leakage monitoring and alarm device with application number CN201020248170.9 and authorization announcement date 20110202 includes a detection host, the detection host input end is connected to the sulfur hexafluoride and oxygen transmitter, the detection host output end is connected to the alarm display screen, the sound and light alarm and the fan controller, and the monitoring host realizes data transmission through a remote measurement and control unit. The sulfur hexafluoride gas leakage monitoring and alarm device of the utility model detects environmental data such as SF6 concentration and oxygen content on site through infrared imaging technology, outputs control and alarms after data analysis and processing, quantitatively displays the SF6 gas concentration and oxygen concentration in the current environment, automatically turns on the fan when an alarm is triggered, and also realizes unattended monitoring of substations, etc. through remote data transmission.

[0004] Most sulfur hexafluoride gas leakage monitoring and alarm devices can only passively monitor sulfur hexafluoride gas, and cannot actively monitor sulfur hexafluoride gas in the room. As a result, the monitoring and alarm device can only detect sulfur hexafluoride gas after the sulfur hexafluoride gas has leaked for a period of time. The detection response speed is relatively slow, and the quantitatively collected data is lower than the actual value. Therefore, it is urgent to design a new type of sulfur hexafluoride gas leakage online monitoring and alarm device to solve the above problems. Utility Model Content

[0005] The utility model aims to provide an online monitoring and alarm device for sulfur hexafluoride gas leakage to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An online monitoring and alarm device for sulfur hexafluoride gas leakage includes an electrical component, which includes a box frame, exhaust components are installed on both sides of the bottom of the inner wall of the box frame by bolts, and a pipe body part on the outer wall of one side of the top of the exhaust component is installed to the transmitter module by bolts. The exhaust component includes a pipe body part, support plates are installed on both sides of the inner wall of the pipe body part by bolts, and a driving motor is installed on the outer wall of one side of the top of the bracket by bolts, and the output end of the driving motor is installed with a mounting shaft through a coupling, and a fan blade is sleeved on the outside of the mounting shaft.

[0008] Furthermore, the outer walls on both sides of the top of the tube body are provided with mounting holes, and the input and output ends of the transmitter module are inserted into the mounting holes, so that the indoor gas inlet and outlet flow rate is unobstructed and the collection is accurate.

[0009] Furthermore, outer walls on both sides of the bottom of the tube body are provided with dustproof nets, and the installation shaft passes through the dustproof nets.

[0010] Furthermore, a brush plate is installed at the bottom end of the mounting shaft through bolts, and the brush plate is in contact with the dustproof net. The rotation of the shaft drives the brush plate to rotate to clean the stains on the dust cover.

[0011] Furthermore, a signal module and an audio module are respectively installed on one side of the inner wall of the box frame by bolts, and the signal module and the audio module are respectively electrically connected to the transmitter module by data wires.

[0012] Furthermore, the outer walls on both sides of the top of the box frame are integrally formed with ear plates, and the outer wall on one side of the ear plate is provided with a mounting through hole.

[0013] Furthermore, a protective component is slidably sleeved on the outside of the electrical component, and the protective component includes a shell, and both sides of the inner wall of the shell are integrally formed with a slide plate portion.

[0014] Furthermore, both left and right sides of the inner wall of the box frame are provided with card slots, and the outer shell of the slide plate part is slidably embedded and connected in the card slots.

[0015] In the above technical scheme, the utility model provides an online monitoring and alarm device for sulfur hexafluoride gas leakage. (1) By setting a driving motor, a mounting shaft and a fan blade, when the device is powered on, the driving motor will start, so that the mounting shaft rotates with the fan blade, so that the indoor air is quickly sucked into the mixed air from a dustproof net into the pipe body, and the gas in the pipe body quickly enters the transmitter sensor collection unit, and is output from another dustproof net after analysis and processing. The output dustproof net port is directly connected to the outdoor space through the pipe, so that the indoor air quickly flows through the pipe body and the transmitter module collection unit, so that the transmitter module can detect in time. to the indoor sulfur hexafluoride gas to ensure that the device has a fast response collection speed and the data is true and accurate, so as to facilitate timely alarm output and data preservation; (2) through the provision of a card slot and a protective component, the protective component is slidably installed in the card slot through the slide portion, making it easier to disassemble and assemble the protective component, and convenient for workers to remove the protective component to repair the electrical components in the electrical component during maintenance; (3) through the provision of a brush plate, when the drive motor is started, the mounting shaft will rotate with the brush plate, so that the brush plate cleans the dust net, causing the dust on the dust net to fall off, thereby avoiding the problem of air flow obstruction caused by dust on the dust net. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 The utility model provides an overall structural diagram of an online monitoring and alarm device for sulfur hexafluoride gas leakage.

[0018] Figure 2 A schematic diagram of the electrical component structure provided for an embodiment of the online monitoring and alarm device for sulfur hexafluoride gas leakage of the utility model.

[0019] Figure 3 A schematic diagram of the structure of a protective component provided for an embodiment of the online monitoring and alarm device for sulfur hexafluoride gas leakage of the utility model.

[0020] Figure 4 A schematic diagram of the structure of an exhaust assembly provided for an embodiment of the online monitoring and alarm device for sulfur hexafluoride gas leakage of the utility model.

[0021] Description of reference numerals:

[0022] 1. Electrical components; 2. Protection components; 3. Box frame; 4. Ear plate; 5. Through hole; 6. Transmitter signal module; 7. Sound module; 8. Transmitter module; 9. Exhaust component; 10. Slot; 11. Shell; 12. Slide plate; 13. Tube inlet; 14. Tube outlet; 15. Support plate; 16. Drive motor; 17. Mounting shaft; 18. Fan blades; 19. Dust net; 20. Brush plate. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] like Figure 1-4 As shown, the online monitoring and alarm device for sulfur hexafluoride gas leakage provided by the embodiment of the utility model includes an electrical component 1, and the electrical component 1 includes a box frame 3. The exhaust components 9 are installed on both sides of the bottom of the inner wall of the box frame 3 by bolts, and the transmitter module 8 is installed on the outer wall of the top side of the exhaust component 9 by bolts. The exhaust component 9 includes pipe parts 13 and 14, and support plates 15 are installed on both sides of the inner walls of the pipe parts 13 and 14 by bolts, and a driving motor 16 is installed on the outer wall of the top side of the support plate 15 by bolts. The output end of the driving motor 16 is installed with a mounting shaft 17 through a coupling, and the outside of the mounting shaft 17 is sleeved with a fan blade 18, the screw at the top of the shaft passes through the center of the dustproof net, and a brush scraper is installed on the top.

[0025] Specifically, in the present embodiment, an electrical component 1 is included, and the electrical component 1 includes a box frame 3. An exhaust component 9 is installed on both sides of the bottom of the inner wall of the box frame 3 by bolts, and a transmitter module 8 is installed on the outer wall of one side of the top of the exhaust component 9 by bolts. The transmitter module 8 is a sulfur hexafluoride gas collection transmitter, and the model is preferably IDG100-SF6 sulfur hexafluoride gas detection mainboard. The exhaust component 9 includes pipe parts 13 and 14. Support plates 15 are installed on both sides of the inner walls of the pipe parts 13 and 14 by bolts, and a drive motor 16 is installed on the outer wall of one side of the top of the support plate 15 by bolts. The model of the drive motor 16 is preferably a low-power, low-noise type 42BYGHW811. The output end of the drive motor 16 is installed with a mounting shaft 17 through a coupling, and the outer side of the mounting shaft 17 is sleeved with a fan blade 18. When the drive motor 16 is started, the mounting shaft 17 will rotate with the fan blade 18, so that the indoor air is blown out from one side. The mixed air is quickly inhaled into the pipe body 13 through a dustproof mesh port 19, and the gas in the pipe body quickly enters the transmitter sensor collection unit. After the analysis and processing is completed, it is output from another pipe body 14 and the dustproof mesh port 19. The output dustproof mesh port is directly connected to the outdoor space through the pipe, so that the indoor mixed air quickly flows through the pipe body and the transmitter module collection unit 8, so that the transmitter module can detect the sulfur hexafluoride gas in the room in time, so as to ensure that the response collection speed of the device is fast, the data is true and accurate, so as to facilitate timely alarm output and data preservation; when the sulfur hexafluoride gas content and oxygen reduction are detected, the audio module 7 will sound an alarm, thereby reminding the operation and maintenance personnel that the sulfur hexafluoride gas has leaked. The detection response speed of the device is fast, the data is true and accurate, and the indoor exhaust fan and the alarm system prompt output are automatically or manually started, so as to protect the operation and maintenance personnel from entering the room and working safely and reliably.

[0026] The utility model provides an online monitoring and alarm device for sulfur hexafluoride gas leakage. When the device is powered on, the driving motor 16 is started, so that the mounting shaft 17 rotates with the fan blades 18, so that the indoor mixed air quickly enters the pipe body 13 from a dustproof net 19 and is discharged from another pipe body 14 and the dustproof net 19, so that the indoor air quickly flows through the pipe body 13 and the transmitter signal module, so that the transmitter module 8 can detect the sulfur hexafluoride gas in the room in time, so as to ensure that the device has a fast response speed and the data is true and accurate, so as to facilitate timely indoor ventilation and exhaust and alarm.

[0027] In another embodiment provided by the utility model, mounting holes 13 and 14 are provided on both outer walls of the top of the tube body, the gas output end of the transmitter module 8 is inserted into the mounting hole 14, and dustproof nets 19 are provided on both outer walls of the bottom of the tube body 13 and 14. The mounting shaft 17 passes through the dustproof net 19, and a brush plate 20 is installed on the top of the mounting shaft 17 by bolts. When the drive motor 16 is started, the mounting shaft 17 will rotate with the brush plate 20, so that the brush plate 20 cleans the dustproof net 19, so that the dust on the dustproof net 19 falls off in time, avoiding the problem of air obstruction and inaccurate data collection caused by dust on the dustproof net 19, and the brush plate 20 and the dustproof net 19 are designed to contact and clean each other.

[0028] In another embodiment provided by the present utility model, Figure 2 As shown, a signal module 6 and an audio module 7 are respectively installed on one side of the inner wall of the box frame 3 by bolts. The signal mainboard module 6 is a WiFi connector, and the model is preferably HR911130C, so that the detection result is transmitted to the upper computer through the signal module 6, and the operation and maintenance personnel entering and leaving are always reminded whether the sulfur hexafluoride gas is leaking. The audio module 7 is a small audio prompt, and the model is preferably a sugar cube R smart device voice audio box. When sulfur hexafluoride gas is detected, the audio module 7 will issue a continuous alarm voice prompt. After there is no sulfur hexafluoride gas content and the oxygen content in the room meets the standard, the voice device audio will no longer prompt the output, thereby reminding the operation and maintenance personnel entering and leaving that the sulfur hexafluoride gas is leaking, and the signal module 6 and the audio module 7 are electrically connected to the transmitter module 8 by wires. The outer walls on both sides of the top of the box frame 3 are integrally formed with ear plates 4, and the outer wall on one side of the ear plate 4 is provided with a mounting through hole 5. The through hole 5 is convenient for the bolt to pass through the ear plate 4, so that the device is fixed to the wall.

[0029] In another embodiment provided by the present utility model, Figure 1 and Figure 4 As shown, a protective component 2 is slidably sleeved on the outside of the electrical component 1. The protective component 2 can prevent dust and other impurities from falling on the electrical components on the electrical component 1. The protective component 2 includes a shell 11. Both sides of the inner wall of the shell 11 are integrally formed with a slide plate 12. The slide plate 12 facilitates the installation of the shell 11 on the box frame 3. Both sides of the inner wall of the box frame 3 are provided with left and right side slots 10. The slots 10 facilitate the installation of the shell 11 on the box frame 3. The slide plate 12 is slidably connected inside the slots 10.

[0030] Working principle: When installing the device, the bolts can be passed through the installation and fixing through-hole 5 to fix the device on the indoor wall, and then the external power supply is connected to start the device to start running. At the same time, the driving motor 16 will start, so that the installation shaft 17 rotates with the fan blades 18, so that the indoor mixed air quickly enters the pipe body 13 from a dustproof mesh port 19, and is discharged from another pipe body 14 and the dustproof mesh port 19, so that the indoor air quickly flows through the pipe body 13 and the transmitter acquisition module. In this process, the transmitter module 8 can quickly detect the indoor mixed gas entering the pipe body 13. When sulfur hexafluoride gas is detected, the sound Module 7 will sound an alarm to remind the operation and maintenance personnel entering and leaving that there is a leakage of sulfur hexafluoride gas. At the same time, the detection results will be transmitted to the upper computer through the signal module 6 to remind the operation personnel in the main control room that there is a leakage of sulfur hexafluoride gas. Moreover, when the drive motor 16 is started, the installation shaft 17 will rotate with the brush plate 20, so that the brush plate 20 cleans the dustproof net 19, so that the dust on the dustproof net 19 falls off in time, avoiding the dust on the dustproof net 19, resulting in air obstruction and inaccurate data collection. When the device needs to be repaired later, the protective component 2 can be pulled open to disengage the shell 11 from the slot 10, which is convenient for workers to repair.

[0031] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An online monitoring and alarm device for sulfur hexafluoride gas leakage, comprising an electrical component (1), characterized in that: The electrical component (1) comprises a box frame (3), an exhaust component (9) is installed on both sides of the bottom of the inner wall of the box frame (3) by bolts, and a transmitter module (8) is installed on the outer wall of the top side of the exhaust component (9) by bolts, the exhaust component (9) comprises a pipe body (13), support plates (15) are installed on both sides of the inner wall of the pipe body (13) by bolts, and a driving motor (16) is installed on the outer wall of the top side of the support plate (15) by bolts, the output end of the driving motor (16) is installed with a mounting shaft (17) through a coupling, and a fan blade (18) is sleeved on the outside of the mounting shaft (17).

2. The on-line monitoring and alarm device for sulfur hexafluoride gas leakage according to claim 1 is characterized in that: The outer walls on both sides of the top of the tube body (13) are provided with mounting holes (14), and the output end of the transmitter module (8) is inserted into the mounting hole (14).

3. The online monitoring and alarm device for sulfur hexafluoride gas leakage according to claim 1 is characterized in that: Dust-proof nets (19) are provided on the outer walls on both sides of the bottom of the tube body (13), and the installation shaft (17) passes through the dust-proof nets (19).

4. The on-line monitoring and alarm device for sulfur hexafluoride gas leakage according to claim 3 is characterized in that: A brush plate (20) is installed at the bottom end of the installation shaft (17) via bolts, and the brush plate (20) and the dustproof net (19) are in contact with each other.

5. The on-line monitoring and alarm device for sulfur hexafluoride gas leakage according to claim 1 is characterized in that: A signal module (6) and an audio module (7) are respectively installed on one side of the inner wall of the box frame (3) by means of bolts, and the signal module (6) and the audio module (7) are respectively electrically connected to the transmitter module (8) by means of wires.

6. The sulfur hexafluoride gas leakage online monitoring and alarm device according to claim 1 is characterized in that: The outer walls on both sides of the top of the box frame (3) are integrally formed with ear plates (4), and a through hole (5) is opened on the outer wall of one side of the ear plate (4).

7. The on-line monitoring and alarm device for sulfur hexafluoride gas leakage according to claim 1 is characterized in that: The electrical component (1) is externally slidably sleeved with a protective component (2), the protective component (2) comprising a shell (11), and both sides of the inner wall of the shell (11) are integrally formed with a slide plate portion (12).

8. The sulfur hexafluoride gas leakage online monitoring and alarm device according to claim 7, characterized in that: The inner wall of the box frame (3) is provided with a card slot (10) on both sides, and the slide plate (12) is slidably connected inside the card slot (10).

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