CN115855394A - Sulfur hexafluoride gas pipe gas leakage monitoring device and method - Google Patents

Sulfur hexafluoride gas pipe gas leakage monitoring device and method Download PDF

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Publication number
CN115855394A
CN115855394A CN202211726059.XA CN202211726059A CN115855394A CN 115855394 A CN115855394 A CN 115855394A CN 202211726059 A CN202211726059 A CN 202211726059A CN 115855394 A CN115855394 A CN 115855394A
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China
Prior art keywords
gas
sulfur hexafluoride
pressure relief
hexafluoride gas
detection
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CN202211726059.XA
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Chinese (zh)
Inventor
赵海玉
郑俊斌
刘毅
乔强
程泽一
刘鹏宇
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Hebei Branch Of Huaneng New Energy Co ltd
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Hebei Branch Of Huaneng New Energy Co ltd
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Priority to CN202211726059.XA priority Critical patent/CN115855394A/en
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Abstract

The invention provides a device and a method for monitoring gas leakage of a sulfur hexafluoride gas pipe, relates to the technical field of pipeline gas leakage detection, and aims to improve the accuracy and reliability of gas leakage detection; the detection pipeline is detachably arranged at the joint of the pipeline to be detected, and a gas detection chamber is arranged around the joint of the pipeline to be detected; a gas sensor is arranged in the gas detection cavity, a pressure release channel which is used for communicating the gas detection cavity with the outside is arranged on the detection pipeline, a pressure release device is arranged in the pressure release channel, and a temperature sensor is arranged at a gas outlet end of the pressure release device. The invention has the advantage of accurate gas leakage detection.

Description

Sulfur hexafluoride gas pipe gas leakage monitoring device and method
Technical Field
The invention relates to the technical field of pipeline gas leakage detection, in particular to a device and a method for monitoring gas leakage of a sulfur hexafluoride gas pipe.
Background
Sulfur hexafluoride is an inorganic compound, is colorless, odorless, nontoxic, incombustible stable gas at normal temperature and pressure, has a molecular weight of 146.055, and has a density of 6.0886kg/m at 20 deg.C and 0.1MPa 3 The sulfur hexafluoride molecular structure is arranged in an octahedron shape, the bonding distance is small, the bonding energy is high, the stability is high, and the sulfur hexafluoride molecular structure is similar to the compatibility of an electrical structure material and nitrogen when the temperature is not more than 180 ℃.
Sulfur hexafluoride gas is commonly used in insulation and arc extinction scenarios, such as sulfur hexafluoride circuit breakers and the like. In a transformer substation, a large number of sulfur hexafluoride pipelines are provided for transporting sulfur hexafluoride gas, so that the gas reaches the electrical components, and the purposes of arc extinction and insulation are achieved. In sulfur hexafluoride, the two pipes are connected by a thin tube. The joint department of tubule produces easily and leaks, and the leakage of tubule is difficult to detect, and on the other hand, though can set up airtight space and collect gas and detect, also be difficult to confirm whether the gas of collecting when leaking has normally discharged, if confirm that the gas of collecting when leaking has not normally discharged, then can be because the accuracy of the gaseous judgement result of revealing after the gaseous influence is leaked in the residue for it is accurate reliable inadequately to detect the result.
Whether gas leakage exists or not is accurately judged through the device, and it is particularly important to ensure that the leaked gas is normally discharged.
Disclosure of Invention
The invention aims to provide a sulfur hexafluoride gas pipe gas leakage monitoring device, and aims to improve the accuracy and reliability of gas leakage detection.
The embodiment of the invention is realized by the following technical scheme:
a sulfur hexafluoride gas pipe gas leakage monitoring device comprises a detection pipeline, a gas pressure sensor, a pressure relief device and a temperature sensor;
the detection pipeline is detachably arranged at the joint of the pipeline to be detected, and a gas detection chamber is arranged around the joint of the pipeline to be detected;
the gas detection device is characterized in that a gas sensor is arranged in the gas detection cavity, a pressure relief channel which is communicated with the gas detection cavity and reaches the outside is arranged on the detection pipeline, a pressure relief device is arranged in the pressure relief channel, and the temperature sensor is arranged at a position, close to the outside, of the pressure relief channel.
Preferably, the detection conduit comprises an upper lobe and a lower lobe; the upper valve and the lower valve are detachably buckled and connected through screws.
Preferably, the part of the upper valve, which is contacted with the lower valve, is provided with a sealant.
Preferably, the pressure relief passage comprises an intake passage, an exhaust passage and a connecting passage;
the gas inlet channel is communicated with the gas detection chamber, and the pressure relief device is arranged in the gas inlet channel;
the connecting passage connects the center of the intake passage and the exhaust passage;
the exhaust passage is communicated with the outside and the temperature sensor is arranged in the exhaust passage.
Preferably, the pressure relief device comprises a pressure relief block, a pre-tightening spring and a pre-tightening adjusting nail;
the pressure relief block is arranged at one end of the air inlet channel close to the gas detection chamber, and the pre-tightening adjusting nail is arranged at the other end of the air inlet channel;
one end of the pre-tightening spring is connected to the pressure relief block, and the other end of the pre-tightening spring is connected to one end of the pre-tightening adjusting nail;
the pre-tightening adjusting nail and the pressure relief block are tightly attached to the inner wall of the air inlet channel.
The invention also provides a sulfur hexafluoride gas pipe gas leakage monitoring method, which is applied to any one of the sulfur hexafluoride gas pipe gas leakage monitoring devices, and the embodiment of the invention is realized by the following technical scheme:
a sulfur hexafluoride gas pipe gas leakage monitoring method comprises the following steps:
collecting leaked gas through the gas detection chamber arranged at the joint of the pipeline to be detected;
judging whether leaked sulfur hexafluoride gas exists in the gas detection chamber or not through the gas pressure sensor;
the gas pressure sensor judges whether the accumulation of the sulfur hexafluoride gas in the gas detection chamber is excessive or not, if so, the gas is exhausted through the pressure relief device, and if not, the operation is not carried out;
exhausting after sulfur hexafluoride gas leakage is eliminated;
and when the air exhaust operation is carried out, whether the air is normally exhausted is determined through the temperature sensor.
Preferably, the method for judging whether the leaked sulfur hexafluoride gas exists in the gas detection chamber comprises the following steps:
and judging whether the air pressure value detected by the air pressure sensor exceeds a first threshold value, wherein if the air pressure value exceeds the first threshold value, leaked sulfur hexafluoride gas exists, and if the air pressure value does not exceed the first threshold value, the leaked sulfur hexafluoride gas does not exist.
Preferably, the method for judging whether the accumulation of the sulfur hexafluoride gas in the gas detection chamber is excessive is as follows:
judging whether the air pressure value detected by the air pressure sensor exceeds a second threshold value, if so, determining that the sulfur hexafluoride gas leakage is excessive, and if not, determining that the sulfur hexafluoride gas leakage is not excessive;
the second threshold is greater than the first threshold.
Preferably, the exhaust operation is also periodically performed, and whether the gas is normally exhausted is determined by the temperature sensor.
Preferably, the method for determining whether the gas is normally discharged through the temperature sensor comprises the following steps:
determining that there is a normal discharge of gas if the temperature detected by the temperature sensor is lower than the temperature detected when the exhaust operation is started; otherwise, no gas is normally discharged.
The technical scheme of the embodiment of the invention at least has the following advantages and beneficial effects:
the leaked sulfur hexafluoride gas can be effectively collected through the gas detection chamber in the detection pipeline, so that the gas leakage can be accurately judged in real time;
the detection pipeline is detachably arranged at the joint of the pipeline to be detected, so that the detection pipeline is convenient to overhaul and adjust the detection position;
the invention can effectively prevent the potential safety hazard caused by excessive accumulation of the collected leaked sulfur hexafluoride gas and ensure the safety of detection;
the invention can judge whether the gas is effectively discharged during the gas discharging operation, and the gas pressure sensor is cooperated to carry out double guarantee, thereby avoiding the phenomenon that the collected gas is not normally discharged when the gas sensor fails;
the invention has the advantages of reasonable design, simple structure, lower cost and convenient popularization and application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic front view of a sulfur hexafluoride gas pipe gas leakage monitoring device provided in an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure view of a sulfur hexafluoride gas tube gas leakage monitoring device provided in an embodiment of the present invention;
icon: 101-gas detection chamber, 102-joint, 103-first pipeline, 104-pressure relief device, 1041-pressure relief block, 1042-pre-tightening spring, 1043-pre-tightening adjusting nail, 105-pressure relief channel, 1051-air inlet channel, 1052-connecting channel, 1053-air outlet channel, 106-temperature sensor, 107-air pressure sensor, 108-detection pipeline, 1081-upper flap, 1082-lower flap and 109-second pipeline.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used, they are based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships usually placed when the products of this application are used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1-2, a sulfur hexafluoride gas pipe gas leakage monitoring device includes a detection pipe 108, a gas pressure sensor 107, a pressure relief device 104, and a temperature sensor 106;
the detection pipeline 108 is detachably mounted at the joint 102 of the pipeline 108 to be detected, and a gas detection chamber 101 is arranged around the joint 102 of the pipeline 108 to be detected;
be provided with gas sensor in the gaseous detection cavity 101, be provided with intercommunication gaseous detection cavity 101 and to external pressure release passageway 105 on the detection pipeline 108, be provided with pressure relief device 104 in the pressure release passageway 105, pressure release passageway 105 is close to external department and is provided with temperature sensor 106.
The basic operation principle of the present embodiment is as follows:
a typical sulfur hexafluoride gas pipe is formed by splicing a plurality of sub-pipes, for example, in fig. 2, a joint 102 is connected between a first pipe 103 and a second pipe 109, that is, the joint 102 of a pipe 108 to be tested.
When gas leakage occurs, the gas detection chamber 101, which is used for wrapping the joint 102 of the pipeline 108 to be detected, in the detection pipeline 108 can collect leaked sulfur hexafluoride gas, then the value detected by the gas pressure sensor 107 can rise, and the existence of gas leakage can be judged according to the rising trend.
After troubleshooting and the solution of gas leakage, perhaps when there is the potential safety hazard in the gas detection cavity 101 internal gas pressure too big, can exhaust through pressure relief device 104, whether temperature sensor 106 that pressure relief device 104's gas outlet end set up can have gaseous normal discharge through the temperature change perception, further ensure that gaseous being discharged, avoid gas sensor trouble wait to find the gaseous phenomenon of not normally discharging of collection, combine gas sensor's numerical value to ensure that gaseous accurate complete discharge can guarantee the accuracy of later detection.
Example 2
The present embodiment further describes the detection pipeline 108 based on the technical solution of embodiment 1.
In the present embodiment, the detection conduit 108 includes an upper lobe 1081 and a lower lobe 1082; the upper petal 1081 and the lower petal 1082 are detachably buckled and connected through screws.
Further, the part of the upper flap 1081, which is in contact with the lower flap 1082, is provided with a sealant.
The upper and lower petals 1081 and 1082 of the present embodiment are snapped to effect wrapping of the coupling 102 of the pipe 108 to be tested, and then the upper and lower petals 1081 and 1082 are secured together by screws; when the upper petal 1081 and the lower petal 1082 are needed to be removed, the screw is removed, and the upper petal 1081 and the lower petal 1082 can be taken down.
Example 3
In this embodiment, the pressure relief channel 105 and the pressure relief device 104 are further described based on the technical solution of embodiment 1.
As a preferable solution of this embodiment, the pressure relief channel 105 includes an intake channel 1051, an exhaust channel 1053, and a connection channel 1052;
the gas inlet channel 1051 is communicated with the gas detection chamber 101, and the pressure relief device 104 is arranged in the gas inlet channel 1051;
the connection passage 1052 connects the intake passage 1051 and the exhaust passage 1053;
the exhaust passage 1053 communicates with the outside and the temperature sensor 106 is disposed inside.
On the other hand, the pressure relief device 104 comprises a pressure relief block 1041, a pre-tightening spring 1042 and a pre-tightening adjusting nail 1043;
the pressure relief block 1041 is arranged at one end of the gas inlet channel 1051 close to the gas detection chamber 101, and the pre-tightening adjusting nail 1043 is arranged at the other end of the gas inlet channel 1051;
one end of the pre-tightening spring 1042 is connected to the pressure relief block 1041, and the other end of the pre-tightening spring 1042 is connected to one end of the pre-tightening adjusting nail 1043;
the pretension adjusting nail 1043 and the pressure relief block 1041 are tightly attached to the inner wall of the air inlet channel 1051.
The working mode of the embodiment is as follows:
referring to fig. 2, when exhaust is needed, the pretension adjusting pin 1043 is screwed to slide upwards along the air inlet channel 1051, the pretension adjusting pin 1043 drives the pretension spring 1042 to move, the pressure relief block 1041 also slides along the pretension spring 1042, when the pretension spring 1042 slides through the connection between the connection channel 1052 and the air inlet channel 1051, the gas in the gas detection chamber 101 can flow to the connection channel 1052, and then enters the exhaust channel 1053 to be exhausted. It is specifically noted that the connecting channel 1052 may be a structure with dense exhaust holes to communicate the intake channel 1051 and the exhaust channel 1053.
Example 4
The invention also provides a sulfur hexafluoride gas pipe gas leakage monitoring method, which is applied to the sulfur hexafluoride gas pipe gas leakage monitoring device in any one of the embodiments, and comprises the following steps:
collecting leaking gas through the gas detection chamber 101 provided by the joint 102 of the pipe 108 to be detected;
judging whether leaked sulfur hexafluoride gas exists in the gas detection chamber 101 through the gas pressure sensor 107;
the gas pressure sensor 107 judges whether the accumulation of the sulfur hexafluoride gas in the gas detection chamber 101 is excessive, if so, the gas is exhausted through the pressure relief device 104, and if not, the operation is not performed;
exhausting after sulfur hexafluoride gas leakage is eliminated;
when the exhaust operation is performed, it is determined whether or not the gas is normally discharged through the temperature sensor 106.
In the embodiment, the exhaust operation is performed after the leakage of sulfur hexafluoride gas is eliminated and when the accumulation in the gas detection chamber 101 is excessive, so that the potential safety hazard of gas accumulation is further avoided, and the detection accuracy of the subsequent gas pressure sensor 107 is also ensured. Whether the temperature sensor 106 arranged at the gas outlet end of the pressure relief device 104 can sense whether gas is normally discharged or not through temperature change, so that the gas is further ensured to be discharged, the phenomenon that collected gas is not normally discharged due to failure of the gas sensor is avoided, and the accuracy of detection after the gas is correctly and completely discharged is ensured by combining the numerical value of the gas sensor.
In particular, the exhaust operation when the sulfur hexafluoride gas is accumulated in the gas detection chamber 101 in an excessive amount may be implemented by an automated system, and may be implemented based on a basic automatic control principle, or may be further ensured by manually exhausting.
Example 5
The embodiment further describes specific steps based on the technical scheme of embodiment 4.
As a preferred scheme, the method for judging whether the leaked sulfur hexafluoride gas exists in the gas detection chamber 101 comprises the following steps:
and judging whether the air pressure value detected by the air pressure sensor 107 exceeds a first threshold value, wherein if the air pressure value exceeds the first threshold value, leaked sulfur hexafluoride gas exists, and if the air pressure value does not exceed the first threshold value, the leaked sulfur hexafluoride gas does not exist.
Further, the method for determining whether the accumulation of sulfur hexafluoride gas in the gas detection chamber 101 is excessive is as follows:
judging whether the air pressure value detected by the air pressure sensor 107 exceeds a second threshold value, if so, determining that the sulfur hexafluoride gas leakage is excessive, and if not, determining that the sulfur hexafluoride gas leakage is not excessive;
the second threshold is greater than the first threshold.
Example 6
In this embodiment, based on the technical solution of embodiment 4, the specific determination step of the temperature sensor 106 is further described.
First, the present embodiment also performs the exhaust operation periodically, and determines whether the gas is normally exhausted through the temperature sensor 106. That is, when the gas pressure detected by the gas pressure sensor 107 rises to prove that there is a gas leakage, and when the temperature sensor 106 detects a pressure release at the time of performing the pressure release operation, the temperature drop can also prove that there is a gas leakage, and the combination of the two sensors also corresponds to performing a gas leakage detection of double assurance.
In this embodiment, the method for determining whether the gas is normally discharged by the temperature sensor 106 includes:
if the temperature detected by the temperature sensor 106 is lower than the temperature detected when the exhaust operation is started, it is determined that gas is normally exhausted; otherwise, no gas is normally discharged.
The pressure relief channel 105 and the pressure relief device 104 referred to herein may adopt the technical solution of embodiment 3, that is, the pressure relief channel 105 includes an intake channel 1051, an exhaust channel 1053 and a connecting channel 1052; the gas inlet channel 1051 is communicated with the gas detection chamber 101, and the pressure relief device 104 is arranged in the gas inlet channel 1051; the connection passage 1052 connects the intake passage 1051 and the exhaust passage 1053; the exhaust passage 1053 communicates with the outside and the temperature sensor 106 is disposed inside. The pressure relief device 104 comprises a pressure relief block 1041, a pre-tightening spring 1042 and a pre-tightening adjusting nail 1043; the pressure relief block 1041 is arranged at one end of the gas inlet channel 1051 close to the gas detection chamber 101, and the pre-tightening adjusting nail 1043 is arranged at the other end of the gas inlet channel 1051; one end of the pre-tightening spring 1042 is connected to the pressure relief block 1041, and the other end of the pre-tightening spring 1042 is connected to one end of the pre-tightening adjusting nail 1043; the pre-tightening adjusting nail 1043 and the pressure relief block 1041 are tightly attached to the inner wall of the air inlet channel 1051.
The detection principle of the temperature sensor 106 of this embodiment is based on the theorem of Charlie, which describes the linearity of the gas pressure with the temperature: p = P0 (1 + β t) — where P0 is the pressure at 0 ℃, t is the temperature in celsius, β is the expansion coefficient of the gas. In short, after the pre-tightening adjusting screw 1043 is screwed to perform the air exhausting operation, the air ejected from the connection channel 1052 directly flows into the atmosphere through the air exhausting channel 1053, the pressure thereof sharply decreases, and the temperature thereof also decreases, so that the temperature sensor 106 can detect whether the air is exhausted or not.
The present invention has been described in terms of the preferred embodiment, and it is not intended to be limited to the embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The sulfur hexafluoride gas pipe gas leakage monitoring device is characterized in that: comprises a detection pipeline (108), an air pressure sensor (107), a pressure relief device (104) and a temperature sensor (106);
the detection pipeline (108) is detachably arranged at the joint (102) of the pipeline (108) to be detected, and a gas detection chamber (101) is arranged around the joint (102) of the pipeline (108) to be detected;
be provided with gas sensor in gaseous detection cavity (101), be provided with intercommunication gaseous detection cavity (101) and to external pressure release passageway (105) on detection pipeline (108), be provided with pressure relief device (104) in pressure release passageway (105), pressure release passageway (105) are close to external department and are provided with temperature sensor (106).
2. The sulfur hexafluoride gas pipe gas leakage monitoring device according to claim 1, wherein: the detection conduit (108) comprises an upper lobe (1081) and a lower lobe (1082); the upper valve (1081) and the lower valve (1082) are detachably buckled and connected through screws.
3. The sulfur hexafluoride gas pipe gas leakage monitoring device according to claim 2, wherein: and sealant is arranged at the part where the upper valve (1081) and the lower valve (1082) are contacted.
4. The sulfur hexafluoride gas pipe gas leakage monitoring device according to claim 1, wherein: the pressure relief passage (105) includes an intake passage (1051), an exhaust passage (1053), and a connecting passage (1052);
the gas inlet channel (1051) is communicated with the gas detection chamber (101), and the pressure relief device (104) is arranged in the gas inlet channel;
the connection passage (1052) connects a center of the intake passage (1051) and an exhaust passage (1053);
the exhaust passage (1053) communicates with the outside and the temperature sensor (106) is provided inside.
5. The sulfur hexafluoride gas pipe gas leakage monitoring device according to claim 4, wherein: the pressure relief device (104) comprises a pressure relief block (1041), a pre-tightening spring (1042) and a pre-tightening adjusting nail (1043);
the pressure relief block (1041) is arranged at one end, close to the gas detection chamber (101), of the gas inlet channel (1051), and the pre-tightening adjusting nail (1043) is arranged at the other end of the gas inlet channel (1051);
one end of the pre-tightening spring (1042) is connected to the pressure relief block (1041), and the other end of the pre-tightening spring (1042) is connected to one end of the pre-tightening adjusting nail (1043);
the pre-tightening adjusting nail (1043) and the pressure relief block (1041) are tightly attached to the inner wall of the air inlet channel (1051).
6. A sulfur hexafluoride gas pipe gas leakage monitoring method is applied to the sulfur hexafluoride gas pipe gas leakage monitoring device in any one of claims 1 to 5, and is characterized by comprising the following steps of:
-collecting leaking gas through the gas detection chamber (101) provided by the joint (102) of the pipe (108) to be tested;
judging whether leaked sulfur hexafluoride gas exists in the gas detection chamber (101) or not through the gas pressure sensor (107);
the air pressure sensor (107) judges whether the accumulation of the sulfur hexafluoride gas in the gas detection chamber (101) is excessive, if so, the air is exhausted through the pressure relief device (104), and if not, the operation is not carried out;
exhausting after eliminating sulfur hexafluoride gas leakage;
when the exhaust operation is performed, whether the gas is normally exhausted is determined by the temperature sensor (106).
7. The method for monitoring the gas leakage of the sulfur hexafluoride gas pipe as claimed in claim 6, wherein the method for judging whether the leaked sulfur hexafluoride gas exists in the gas detection chamber (101) comprises the following steps:
and judging whether the air pressure value detected by the air pressure sensor (107) exceeds a first threshold value, wherein if the air pressure value exceeds the first threshold value, leaked sulfur hexafluoride gas exists, and if the air pressure value does not exceed the first threshold value, the leaked sulfur hexafluoride gas does not exist.
8. The method for monitoring the gas leakage of the sulfur hexafluoride gas pipe as claimed in claim 7, wherein the method for judging whether the accumulation of the sulfur hexafluoride gas in the gas detection chamber (101) is excessive is as follows:
judging whether the air pressure value detected by the air pressure sensor (107) exceeds a second threshold value, if so, determining that the sulfur hexafluoride gas leakage is excessive, and if not, determining that the sulfur hexafluoride gas leakage is not excessive;
the second threshold is greater than the first threshold.
9. The method for monitoring the leakage of sulfur hexafluoride gas pipe as claimed in claim 6, wherein the exhaust operation is also periodically performed, and whether the gas is normally exhausted is determined by the temperature sensor (106).
10. The method for monitoring the gas leakage of the sulfur hexafluoride gas pipe as claimed in claim 9, wherein the method for determining whether the gas is normally exhausted through the temperature sensor (106) comprises the following steps:
determining that there is a normal discharge of gas if the temperature detected by the temperature sensor (106) is lower than the temperature detected when the exhaust operation is started; otherwise, no gas is normally discharged.
CN202211726059.XA 2022-12-30 2022-12-30 Sulfur hexafluoride gas pipe gas leakage monitoring device and method Pending CN115855394A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116610924A (en) * 2023-07-17 2023-08-18 福建德尔科技股份有限公司 Chlorine trifluoride leakage prediction system and method
CN117138715A (en) * 2023-11-01 2023-12-01 福建德尔科技股份有限公司 Microchannel reactor for synthesizing electronic grade chlorine trifluoride
CN117292715A (en) * 2023-11-22 2023-12-26 天津声格智能科技有限公司 Method, system, apparatus and medium for detecting gas leakage in a pipeline using sound

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116610924A (en) * 2023-07-17 2023-08-18 福建德尔科技股份有限公司 Chlorine trifluoride leakage prediction system and method
CN116610924B (en) * 2023-07-17 2023-09-15 福建德尔科技股份有限公司 Chlorine trifluoride leakage prediction system and method
CN117138715A (en) * 2023-11-01 2023-12-01 福建德尔科技股份有限公司 Microchannel reactor for synthesizing electronic grade chlorine trifluoride
CN117138715B (en) * 2023-11-01 2024-02-13 福建德尔科技股份有限公司 Microchannel reactor for synthesizing electronic grade chlorine trifluoride
CN117292715A (en) * 2023-11-22 2023-12-26 天津声格智能科技有限公司 Method, system, apparatus and medium for detecting gas leakage in a pipeline using sound

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