CN114062612A - Gaseous detection device of portable SF6 - Google Patents
Gaseous detection device of portable SF6 Download PDFInfo
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- CN114062612A CN114062612A CN202111373896.4A CN202111373896A CN114062612A CN 114062612 A CN114062612 A CN 114062612A CN 202111373896 A CN202111373896 A CN 202111373896A CN 114062612 A CN114062612 A CN 114062612A
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- 238000001514 detection method Methods 0.000 title claims abstract description 60
- 230000000903 blocking effect Effects 0.000 claims description 29
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 59
- 229910018503 SF6 Inorganic materials 0.000 description 56
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 56
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 229960000909 sulfur hexafluoride Drugs 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
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Abstract
The invention discloses a mobile SF6 gas detection device, which comprises a collection assembly, wherein the collection assembly comprises a main air suction disc and an auxiliary air suction disc, the main air suction disc is arranged on the side surface of a shell, and the auxiliary air suction disc is arranged on the other side surface of the shell; and the trolley assembly comprises a lower base, and the lower base is connected with the shell. The device can safely and reliably complete SF6 gas leakage detection and early warning work, avoid serious personal safety risk caused by mistaken inhalation of field operation personnel due to untimely alarm after SF6 gas leakage, and improve the working efficiency.
Description
Technical Field
The invention relates to the technical field of high voltage and insulation, in particular to a mobile SF6 gas detection device.
Background
An SF6 gas leakage monitoring and alarming online system is generally installed in an existing transformer substation GIS room, but the monitoring effectiveness is related to the arrangement point of a sensor installed in the transformer substation GIS room. When the leakage of SF6 gas occurs, since SF6 gas has a density 5 times as high as that of air, it accumulates in a lower space and causes a local oxygen deficiency, causing a serious accident. At present, no self-suction detection method is adopted for the sensor, so that the detection range of the sensor is not large enough due to the specific inertia relationship of SF6 gas, and the monitoring effectiveness cannot meet the safety requirement of field operation. Meanwhile, SF6 gas is usually deposited at the ground position below a leakage point when the gas leaks due to the fact that the gas is colorless, tasteless and high in specific gravity, and if a sensor is not effectively distributed, the gas cannot be accurately monitored and alarm. Leaked sulfur hexafluoride gas can cause great risk to operation and maintenance workers; therefore, how to improve the early warning efficiency of sulfur hexafluoride gas leakage detection and reduce the safety risk of field operation becomes an important problem which needs to be solved urgently in the operation and maintenance work of the sulfur hexafluoride equipment at present.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract and the title of the invention of this application some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made keeping in mind the above problems occurring in the prior art and/or the problems occurring in the prior art.
Therefore, the technical problem to be solved by the invention is how to improve the early warning efficiency of sulfur hexafluoride gas leakage detection and reduce the safety risk of field operation, and the problem that the operation and maintenance work of the existing sulfur hexafluoride equipment is urgently needed to be solved.
In order to solve the technical problems, the invention provides the following technical scheme: a mobile SF6 gas detection device comprises a collection assembly, wherein the collection assembly comprises a main air suction disc and a secondary air suction disc, the main air suction disc is arranged on the side surface of a shell, and the secondary air suction disc is arranged on the other side surface of the shell; and the trolley assembly comprises a lower base, and the lower base is connected with the shell.
As a preferable embodiment of the mobile SF6 gas detection device of the present invention, wherein: the trolley assembly further comprises an upper base, and the upper base is connected with the shell and matched with the lower base.
As a preferable embodiment of the mobile SF6 gas detection device of the present invention, wherein: go up the base and include spacing hole and camera, spacing hole run through set up in go up on the base, spacing hole is provided with a plurality ofly, the camera sets up on the flexible post of hydraulic pressure.
As a preferable embodiment of the mobile SF6 gas detection device of the present invention, wherein: go up the base and still include SF6 detection device and battery, SF6 detection device with the battery set up in go up the base upper end.
As a preferable embodiment of the mobile SF6 gas detection device of the present invention, wherein: the main suction disc is provided with a main arc surface, the secondary suction disc is provided with a secondary arc surface, and the number of the secondary suction discs is two.
As a preferable embodiment of the mobile SF6 gas detection device of the present invention, wherein: go up the base still include disc post, spread groove and spliced pole, the disc post set up in go up the base lower extreme, the spread groove set up in on the disc post, the spliced pole set up in the spread groove, the spread groove is provided with contained angle three, between the adjacent spread groove and is 60 degrees.
As a preferable embodiment of the mobile SF6 gas detection device of the present invention, wherein: the trolley assembly further comprises a sliding plug and a moving rod, a sliding connecting hole is formed in one end of the sliding plug, the connecting column is rotatably connected with the sliding connecting hole, and the sliding plug is matched with the moving rod.
As a preferable embodiment of the mobile SF6 gas detection device of the present invention, wherein: the sliding plug comprises a sliding plug wheel and a blocking column, the blocking column is arranged on the sliding plug, the sliding plug wheel is arranged at the lower end of the sliding plug, the moving rod comprises a moving rod groove and a pulley, the moving rod groove is arranged at the upper end of the moving rod, the pulley is arranged at the lower end of the moving rod, and the sliding plug is arranged in the moving rod groove.
As a preferable embodiment of the mobile SF6 gas detection device of the present invention, wherein: the movable rod further comprises an air inlet hole and an air outlet hole, the air inlet hole and the air outlet hole are formed in the circumferential surface of the movable rod, the air outlet hole is located at the lower end of the air inlet hole, and the air outlet hole is connected with the SF6 detection device through a pipeline.
As a preferable embodiment of the mobile SF6 gas detection device of the present invention, wherein: the collecting assembly further comprises an air inlet pipe, one end of the air inlet pipe is connected with the air inlet hole, and the other end of the air inlet pipe is connected with the air collecting tank.
The invention has the beneficial effects that: the SF6 gas leakage detection and early warning work is safely and reliably completed, the serious personal safety risk of mistaken inhalation of field operation personnel due to the fact that an alarm is not given in time after SF6 gas leakage is avoided, and the working efficiency is improved.
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 description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic structural diagram of a mobile SF6 gas detection apparatus according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a connection structure of some components in the mobile SF6 gas detection apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an upper base of the mobile SF6 gas detection apparatus according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view illustrating a sliding plug of the mobile SF6 gas detecting apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a cross section of a moving rod of the mobile SF6 gas detection apparatus according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of a gas collection tank of a mobile SF6 gas detection apparatus according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a limiting rod in the mobile SF6 gas detection apparatus according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a lower base portion of a mobile SF6 gas detecting apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration when describing the embodiments of the present invention, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1, 2, 3, 4, 5 and 8, the present embodiment provides a mobile SF6 gas detection apparatus comprising a collection assembly 100 and a cart assembly 200.
The collecting assembly 100 comprises a main air suction disc 101 and a secondary air suction disc 102, wherein the main air suction disc 101 is arranged on one side surface of the shell 201, and the secondary air suction disc 102 is arranged on the other side surface of the shell 201; the trolley assembly 200, the trolley assembly 200 comprises a lower base 202, and the lower base 202 is connected with the outer shell 201.
The cart assembly 200 further includes an upper base 203, the upper base 203 being connected to the housing 201 and cooperating with the lower base 202.
The upper base 203 comprises a limiting hole 203a and a camera 203b, the limiting hole 203a is arranged on the upper base 203 in a penetrating mode, the limiting hole 203a is provided with a plurality of holes, and the camera 203b is arranged on the hydraulic telescopic column.
The lower base 202 is provided with a round long column which is inserted into the limiting hole 203a and used for limiting the upper base 203, the lower base 202 is further provided with a hollow column 202a and a telescopic rod 202b, the hollow column 202a is arranged at the upper end of the lower base 202, the telescopic rod 202b is arranged on the side surface of the hollow column 202a, and a spring is arranged in the telescopic rod 101d and is convenient for being retracted.
The upper base 203 further comprises an SF6 detection device 203c and a storage battery 203d, and the SF6 detection device 203c and the storage battery 203d are arranged at the upper end of the upper base 203.
The main suction disc 101 is provided with a main arc-shaped surface 101a, the secondary suction disc 102 is provided with a secondary arc-shaped surface 101b, and the number of the secondary suction discs 102 is two, so that gas can be better collected in the moving process of the trolley.
Go up base 203 and still include disc post 203e, connecting groove 203f and spliced pole 203g, disc post 203e sets up in last base 203 lower extreme, connecting groove 203f sets up on disc post 203e, spliced pole 203g sets up in connecting groove 203f, connecting groove 203f is provided with threely, the contained angle between the adjacent connecting groove 203f is 60 degrees, plays better support and fixed effect, disc post 203e passes through spring and hollow post 202a fixed connection.
The trolley assembly 200 further comprises a sliding plug 204 and a moving rod 205, one end of the sliding plug 204 is provided with a sliding connection hole 204a, a connection column 203g is rotatably connected with the sliding connection hole 204a, the sliding plug 204 is matched with the moving rod 205, and a telescopic rod 202b is fixedly connected with the moving rod 205.
The sliding plug 204 comprises a sliding plug wheel 204c and a blocking column 204b, the blocking column 204b is arranged on the sliding plug 204, the sliding plug wheel 204c is arranged at the lower end of the sliding plug 204, the moving rod 205 comprises a moving rod groove 205a and a pulley 205b, the moving rod groove 205a is arranged at the upper end of the moving rod 205, the pulley 205b is arranged at the lower end of the moving rod 205, and the sliding plug 204 is arranged in the moving rod groove 205 a.
The blocking column 204b is made of rubber, so that the suction effect is improved.
The moving rod 205 further comprises an air inlet hole 205c and an air outlet hole 205d, the air inlet hole 205c and the air outlet hole 205d are arranged on the circumferential surface of the moving rod 205, the air outlet hole 205d is located at the lower end of the air inlet hole 205c, the air outlet hole 205d is connected with the SF6 detection device 300 through a pipeline, and the pipeline is made of elastic plastic materials.
The collecting assembly 100 further comprises an air inlet pipe 103, one end of the air inlet pipe 103 is connected with the air inlet hole 205c, and the other end of the air inlet pipe 103 is connected with the air collecting tank 104.
The air inlet pipe 103 is made of elastic plastic, and an oxygen sensor is further arranged on the upper base 203.
The gas collecting tanks 104 are provided with three, and are respectively connected with the main gas suction disc 101 and the two secondary gas suction discs 102, so that gas can be better collected.
The trolley is driven by the storage battery 203d, remote control is carried out by adopting the existing remote control technology, and the oxygen sensor, the camera 203b and the SF6 detection device 203c can be observed on the display screen in a remote data transmission mode.
When the trolley does not move, the blocking column 204b in the moving rod groove 205a is positioned above the air outlet hole 205d, and the gas can pass through the main suction disc 101 and the two secondary suction discs 102 and then enter the moving rod groove 205a through the gas collecting tank 104 and the air inlet pipe 103 in sequence to enter the SF6 detection device 203c through the pipeline for detection.
When the remote control trolley is used, the remote control trolley moves, the trolley shakes and jolts in the moving process, and the upper base 203 moves up and down under the action of the spring.
When the upper base 203 moves downwards, the sliding plug 204 and the moving rod 205 positioned in the moving rod groove 205a move synchronously, the moving rod 205 moves to a certain position and is limited by the connecting groove 203f to be incapable of rotating, and the blocking column 204b moves downwards in the moving rod groove 205a and is positioned between the air inlet hole 205c and the air outlet hole 205 d; when the upper base 203 moves upwards, the telescopic rod 202b retracts under the action of the spring and limits the moving rod 205 from moving upwards, and the sliding plug 204 moves upwards in the moving rod groove 205a to generate suction force to suck air into the pipeline; the trolley repeats the above actions all the time during the movement process, the gas entering the SF6 detection device 203c increases the flow rate and increases the detection efficiency, so that the upper base 203, the sliding plug 204 and the moving rod 205 can also assist the air suction assembly 200 in self-suction and improve the detection accuracy while damping the vehicle body.
When the SF6 detection device 203c detects SF6 gas, an alarm is sent out, and the SF6 gas is displayed on a display screen to be informed, so that the SF6 gas leakage detection and early warning work can be completed quickly, effectively, safely and reliably, the serious personal safety risk caused by mistaken inhalation of field operation personnel due to untimely alarm after SF6 gas leakage is avoided, and the working efficiency and the working quality are improved. The concentration of indoor SF6 and the concentration of O2 are effectively monitored, the operation safety of the unattended transformer substation is greatly improved, and particularly the personal safety of daily visitors and maintainers is reliably guaranteed.
Therefore, the supervision level of the insulation technology of the power grid equipment is effectively enhanced through field improvement, and the power supply reliability of the power grid is improved.
Example 2
Referring to fig. 1 to 8, a second embodiment of the present invention provides an implementation of a mobile SF6 gas detection apparatus.
The gas collection tank 104 is provided with a gas collection limiting hole 104a, and the pipeline inside the gas collection tank 104 is provided with a pipeline limiting groove 104 b.
One end of the blocking rod 105 is fixedly connected with the upper base 203, the other end of the blocking rod is inserted into the gas collection limiting hole 104a, the blocking disc 105b is positioned in the pipeline limiting groove 104b and used for blocking the circulation of the pipeline, and three blocking rods 105 are arranged and correspond to the three gas collection tanks 104 respectively.
When the remote control trolley is used, the remote control trolley moves, the trolley shakes and jolts in the moving process, and the upper base 203 moves up and down under the action of the spring.
When the upper base 203 moves downwards, the sliding plug 204 and the moving rod 205 positioned in the moving rod groove 205a move synchronously, the moving rod 205 moves to a certain position and is limited by the connecting groove 203f and can not rotate, the blocking column 204b moves downwards in the moving rod groove 205a to squeeze the air in the blocking column, and the blocking column is positioned between the air inlet hole 205c and the air outlet hole 205 d; when the upper base 203 moves downwards, the blocking rod 105 also moves downwards synchronously, the blocking disc 105b is tightly attached to the pipeline limiting groove 104b to block air circulation, and when the upper base 203 moves downwards continuously, the blocking telescopic rod 105a is compressed.
When the upper base 203 moves upwards, the telescopic rod 202b retracts under the action of the spring and limits the moving rod 205 from moving upwards, and the sliding plug 204 moves upwards in the moving rod groove 205a to generate suction force to suck air into the pipeline; when the blocking rod 105 moves upwards on the upper base 203, the blocking disc 105b moves out of the pipeline limiting groove 104b synchronously, and the gas collecting tank 104 is communicated with the gas inlet pipe 103.
The trolley repeats the above actions all the time during the movement process, the gas entering the SF6 detection device 203c increases the flow rate and increases the detection efficiency, so that the upper base 203, the sliding plug 204 and the moving rod 205 can also assist the air suction assembly 200 in self-suction and improve the detection accuracy while damping the vehicle body.
When the SF6 detection device 203c detects SF6 gas, an alarm is sent out, and the SF6 gas is displayed on a display screen to be informed, so that the SF6 gas leakage detection and early warning work can be completed quickly, effectively, safely and reliably, the serious personal safety risk caused by mistaken inhalation of field operation personnel due to untimely alarm after SF6 gas leakage is avoided, and the working efficiency and the working quality are improved. The concentration of indoor SF6 and the concentration of O2 are effectively monitored, the operation safety of the unattended transformer substation is greatly improved, and particularly the personal safety of daily visitors and maintainers is reliably guaranteed.
Therefore, the supervision level of the insulation technology of the power grid equipment is effectively enhanced through field improvement, and the power supply reliability of the power grid is improved.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. A portable SF6 gas detection device which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the collecting assembly (100) comprises a main air suction disc (101) and a secondary air suction disc (102), wherein the main air suction disc (101) is arranged on one side surface of the shell (201), and the secondary air suction disc (102) is arranged on the other side surface of the shell (201); and the number of the first and second groups,
a trolley assembly (200), wherein the trolley assembly (200) comprises a lower base (202), and the lower base (202) is connected with the shell (201).
2. The mobile SF6 gas detection apparatus of claim 1, wherein: the trolley assembly (200) further comprises an upper base (203), and the upper base (203) is connected with the shell (201) and matched with the lower base (202).
3. The mobile SF6 gas detection apparatus of claim 2, wherein: go up base (203) including spacing hole (203a) and camera (203b), spacing hole (203a) run through set up in go up on base (203), spacing hole (203a) are provided with a plurality ofly, camera (203b) set up on the flexible post of hydraulic pressure.
4. The mobile SF6 gas detection device of claim 3, wherein: the upper base (203) further comprises an SF6 detection device (203c) and a storage battery (203d), and the SF6 detection device (203c) and the storage battery (203d) are arranged at the upper end of the upper base (203).
5. The mobile SF6 gas detection device of claim 3 or 4, wherein: the main air suction disc (101) is provided with a main arc-shaped surface (101a), the secondary air suction disc (102) is provided with a secondary arc-shaped surface (101b), and the number of the secondary air suction discs (102) is two.
6. The mobile SF6 gas detection device of claim 5, wherein: go up base (203) and still include disc column (203e), spread groove (203f) and spliced pole (203g), disc column (203e) set up in go up base (203) lower extreme, spread groove (203f) set up in on disc column (203e), spliced pole (203g) set up in spread groove (203f), spread groove (203f) are provided with the contained angle three, between adjacent spread groove (203f) and are 60 degrees.
7. The mobile SF6 gas detection device of claim 6, wherein: the trolley assembly (200) further comprises a sliding plug (204) and a moving rod (205), one end of the sliding plug (204) is provided with a sliding connecting hole (204a), the connecting column (203g) is rotatably connected with the sliding connecting hole (204a), and the sliding plug (204) is matched with the moving rod (205).
8. The mobile SF6 gas detection device of claim 7, wherein: the sliding plug (204) comprises a sliding plug wheel (204c) and a blocking column (204b), the blocking column (204b) is arranged on the sliding plug (204), the sliding plug wheel (204c) is arranged at the lower end of the sliding plug (204), the moving rod (205) comprises a moving rod groove (205a) and a pulley (205b), the moving rod groove (205a) is arranged at the upper end of the moving rod (205), the pulley (205b) is arranged at the lower end of the moving rod (205), and the sliding plug (204) is arranged in the moving rod groove (205 a).
9. The mobile SF6 gas detection apparatus of claim 8, wherein: the movable rod (205) further comprises an air inlet hole (205c) and an air outlet hole (205d), the air inlet hole (205c) and the air outlet hole (205d) are formed in the circumferential surface of the movable rod (205), the air outlet hole (205d) is located at the lower end of the air inlet hole (205c), and the air outlet hole (205d) is connected with the SF6 detection device (300) through a pipeline.
10. The mobile SF6 gas detection apparatus of claim 9, wherein: the collecting assembly (100) further comprises an air inlet pipe (103), one end of the air inlet pipe (103) is connected with the air inlet hole (205c), and the other end of the air inlet pipe (103) is connected with the air collecting tank (104).
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| CN202111373896.4A CN114062612B (en) | 2021-11-19 | 2021-11-19 | Mobile SF6 gas detection device |
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| CN202111373896.4A CN114062612B (en) | 2021-11-19 | 2021-11-19 | Mobile SF6 gas detection device |
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