CN114062612B - Mobile SF6 gas detection device - Google Patents
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- CN114062612B CN114062612B CN202111373896.4A CN202111373896A CN114062612B CN 114062612 B CN114062612 B CN 114062612B CN 202111373896 A CN202111373896 A CN 202111373896A CN 114062612 B CN114062612 B CN 114062612B
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- 238000001514 detection method Methods 0.000 title claims abstract description 54
- 230000000903 blocking effect Effects 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 57
- 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
- 230000009471 action Effects 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 229960000909 sulfur hexafluoride Drugs 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 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
- 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
- 238000009826 distribution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- 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)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The application discloses a movable SF6 gas detection device which 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 a trolley assembly including a lower base connected with the housing. The device safely and reliably completes SF6 gas leakage detection and early warning work, avoids the serious personal safety risk of mistaken inhalation of field operators caused by untimely alarm after SF6 gas leakage, and improves the working efficiency.
Description
Technical Field
The application relates to the technical field of high voltage and insulation, in particular to a movable SF6 gas detection device.
Background
SF6 gas leakage monitoring and alarming on-line systems are commonly installed in the existing transformer substation GIS room, but the monitoring effectiveness is related to the distribution point of the installed sensors. When SF6 gas leakage occurs, because the density of SF6 gas is more than 5 times of that of air, the SF6 gas is accumulated in a lower-layer space, and partial hypoxia is caused, so that serious accidents are caused. At present, no self-priming detection method is adopted for the sensor, so that the detection range of the sensor is not large enough due to the special inert relation of SF6 gas, and the monitoring effectiveness can not meet the safety requirements of field operation. Meanwhile, SF6 gas is usually deposited at the ground position below a leakage point when leakage is caused by the fact that the SF6 gas is colorless and odorless and has large specific gravity, and if a sensor is not effectively distributed, accurate monitoring and alarming cannot be achieved. The leaked sulfur hexafluoride gas can cause great hazard risks to operation and maintenance staff; therefore, how to improve the sulfur hexafluoride gas leakage detection and early warning efficiency and reduce the safety risk of field operation becomes an important problem to be solved in the operation and maintenance work of the sulfur hexafluoride equipment at present.
Disclosure of Invention
This section is intended to summarize some aspects of embodiments of the application and to briefly introduce some preferred embodiments, which may be simplified or omitted in this section, as well as the description abstract and the title of the application, to avoid obscuring the objects of this section, description abstract and the title of the application, which is not intended to limit the scope of this application.
The present application has been made in view of the above and/or problems occurring in the prior art.
Therefore, the technical problem to be solved by the application is how to improve the sulfur hexafluoride gas leakage detection and early warning efficiency and reduce the safety risk of field operation, and the technical problem to be solved is that the operation and maintenance work of the sulfur hexafluoride equipment is urgently needed at present.
In order to solve the technical problems, the application provides the following technical scheme: the movable SF6 gas detection device comprises a collection assembly, wherein the collection assembly comprises a main suction disc and a secondary suction disc, the main suction disc is arranged on the side surface of a shell, and the secondary suction disc is arranged on the other side surface of the shell; and a trolley assembly including a lower base connected with the housing.
As a preferable mode of the mobile SF6 gas detection apparatus of the present application, wherein: the trolley assembly further comprises an upper base, wherein the upper base is connected with the shell and matched with the lower base.
As a preferable mode of the mobile SF6 gas detection apparatus of the present application, wherein: the upper base comprises a limiting hole and a camera, wherein the limiting hole is formed in the upper base in a penetrating mode, a plurality of limiting holes are formed in the limiting hole, and the camera is arranged on the hydraulic telescopic column.
As a preferable mode of the mobile SF6 gas detection apparatus of the present application, wherein: the upper base further comprises an SF6 detection device and a storage battery, and the SF6 detection device and the storage battery are arranged at the upper end of the upper base.
As a preferable mode of the mobile SF6 gas detection apparatus of the present application, wherein: the main dish of breathing in is provided with main arcwall face, secondary dish of breathing in is provided with secondary arcwall face, secondary dish of breathing in is provided with two.
As a preferable mode of the mobile SF6 gas detection apparatus of the present application, wherein: the upper base further comprises a disc column, a connecting groove and a connecting column, wherein the disc column is arranged at the lower end of the upper base, the connecting groove is formed in the disc column, the connecting column is arranged in the connecting groove, and the connecting groove is provided with three connecting grooves with 60 degrees and adjacent connecting grooves.
As a preferable mode of the mobile SF6 gas detection apparatus of the present application, wherein: the trolley assembly further comprises a sliding plug and a moving rod, wherein a sliding connecting hole is formed in one end of the sliding plug, the connecting column is rotationally connected with the sliding connecting hole, and the sliding plug is matched with the moving rod.
As a preferable mode of the mobile SF6 gas detection apparatus of the present application, wherein: the sliding plug comprises a sliding plug wheel and a plugging column, the plugging 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 mode of the mobile SF6 gas detection apparatus of the present application, 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 mode of the mobile SF6 gas detection apparatus of the present application, 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 application has the beneficial effects that: SF6 gas leakage detection and early warning work can be safely and reliably completed, the serious personal safety risk of mistakenly sucking on-site operation personnel caused by untimely alarm 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 application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a schematic structural diagram of a mobile SF6 gas detection apparatus according to an embodiment of the present application;
fig. 2 is a schematic diagram of a connection structure of a part of a subassembly in the mobile SF6 gas detection apparatus according to an embodiment of the present application;
FIG. 3 is a schematic diagram of an upper base structure of a mobile SF6 gas detection apparatus according to an embodiment of the present application;
fig. 4 is a schematic cross-sectional view of a sliding plug in a mobile SF6 gas detection apparatus according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a cross section of a movable rod in a movable SF6 gas detection apparatus according to an embodiment of the present application;
fig. 6 is a schematic cross-sectional structure of a gas collection tank in the mobile SF6 gas detection apparatus according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a stop lever in a mobile SF6 gas detection apparatus according to an embodiment of the present application;
fig. 8 is a schematic view of a lower base portion of a mobile SF6 gas detection apparatus according to an embodiment of the present application.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will become more readily apparent, a more particular description of the application will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
In the following detailed description of the embodiments of the present application, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration only, and in which is shown by way of illustration only, and in which the scope of the application is not limited for ease of illustration. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Further still, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the application. 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 trolley assembly 200.
The collecting assembly 100 comprises a main suction disc 101 and a secondary suction disc 102, wherein the main suction disc 101 is arranged on the side surface of the shell 201, and the secondary suction disc 102 is arranged on the other side surface of the shell 201; the cart assembly 200, the cart assembly 200 includes a lower base 202, the lower base 202 being connected to a housing 201.
The cart assembly 200 also includes an upper base 203, the upper base 203 being coupled to the housing 201 and mated to the lower base 202.
The upper base 203 comprises a limiting hole 203a and a camera 203b, wherein the limiting hole 203a is arranged on the upper base 203 in a penetrating mode, the limiting holes 203a are formed in a plurality of mode, and the camera 203b is arranged on the hydraulic telescopic column.
The lower base 202 is provided with a round long column inserted in the limiting hole 203a for limiting the upper base 203, the lower base 202 is also 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 so as to be convenient for retracting back.
The upper base 203 further includes an SF6 detection device 203c and a battery 203d, and the SF6 detection device 203c and the battery 203d are disposed 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 secondary suction disc 102 is provided with two, so that gas can be better collected in the moving process of the trolley.
The upper base 203 further comprises a disc column 203e, a connecting groove 203f and a connecting column 203g, wherein the disc column 203e is arranged at the lower end of the upper base 203, the connecting groove 203f is arranged on the disc column 203e, the connecting column 203g is arranged in the connecting groove 203f, the connecting groove 203f is provided with three connecting grooves, the included angle between the adjacent connecting grooves 203f is 60 degrees, better supporting and fixing effects are achieved, and the disc column 203e is fixedly connected with the hollow column 202a through a spring.
The trolley assembly 200 further comprises a sliding plug 204 and a moving rod 205, wherein a sliding connecting hole 204a is formed in one end of the sliding plug 204, a connecting column 203g is rotatably connected with the sliding connecting 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 includes a sliding plug wheel 204c and a blocking column 204b, the blocking column 204b is disposed on the sliding plug 204, the sliding plug wheel 204c is disposed at the lower end of the sliding plug 204, the moving rod 205 includes a moving rod groove 205a and a pulley 205b, the moving rod groove 205a is disposed at the upper end of the moving rod 205, the pulley 205b is disposed at the lower end of the moving rod 205, and the sliding plug 204 is disposed in the moving rod groove 205 a.
The blocking column 204b is made of rubber, so that the suction effect is improved.
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 arranged on the circumferential surface of the movable rod 205, the air outlet hole 205d is positioned 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 collection assembly 100 further includes an intake duct 103, one end of the intake duct 103 being connected to the intake port 205c, and the other end of the intake duct 103 being connected to the gas collection 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 collection tank 104 is provided with three, and is connected with the main gas suction disc 101 and the two secondary gas suction discs 102 respectively, so as to collect gas better.
The trolley is driven by the storage battery 203d, remote control is performed 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 is not moving, the blocking column 204b in the moving rod groove 205a is positioned above the air outlet hole 205d, and air can pass through the main air suction disc 101 and the two secondary air suction discs 102 and then enter the moving rod groove 205a through the air collection tank 104 and the air inlet pipe 103 in sequence, and then enter the SF6 detection device 203c through the pipeline for detection.
When the trolley is used, the trolley is remotely controlled to move, the trolley is rocked and jolt in the moving process, and the upper base 203 moves up and down under the action of the springs.
When the upper base 203 moves downwards, the sliding plug 204 and the moving rod 205 which are positioned in the moving rod groove 205a synchronously move, the moving rod 205 moves to a certain position and is limited by the connecting groove 203f so as not to rotate, 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 to suck air into the pipeline; the trolley can repeat the above actions all the time in the moving process, the flow rate of the gas entering the SF6 detection device 203c is increased, the detection efficiency is increased, and thus the upper base 203, the sliding plug 204 and the moving rod 205 can assist the suction assembly 200 to perform self-suction lifting detection accurately while damping the vehicle body.
When SF6 gas is detected by the SF6 detection device 203c, an alarm is sent out, and the alarm is displayed on a display screen to inform, so that SF6 gas leakage detection and early warning work can be rapidly, effectively, safely and reliably completed, the situation that on-site operation personnel inhale important personal safety risks due to untimely alarm after SF6 gas leakage is avoided, and the working efficiency and the working quality are improved. The indoor SF6 concentration and the indoor O2 concentration are effectively monitored, the operation safety of the unattended transformer substation is greatly improved, and the personal safety of daily vision and maintenance personnel is reliably guaranteed.
Therefore, the monitoring level of the insulation technology of the power grid equipment is effectively enhanced through on-site improvement, and the power supply reliability of the power grid is improved.
Example 2
Referring to fig. 1 to 8, for the second embodiment of the present application, a mobile SF6 gas detection apparatus implementation is provided.
The gas collection tank 104 is provided with a gas collection limiting hole 104a, and a pipeline limiting groove 104b is arranged on the pipeline inside the gas collection tank 104.
The collection assembly 100 further includes a blocking rod 105, the blocking rod 105 including a blocking telescoping rod 105a and a blocking disc 105b, the blocking disc 105b being disposed at a lower end of the blocking rod 105, and a spring being disposed within the blocking telescoping rod 105 a.
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 a pipeline, and the blocking rod 105 is provided with three gas collection tanks 104 respectively corresponding to the three gas collection tanks.
When the trolley is used, the trolley is remotely controlled to move, the trolley is rocked and jolt in the moving process, and the upper base 203 moves up and down under the action of the springs.
When the upper base 203 moves downwards, the sliding plug 204 and the moving rod 205 which are positioned in the moving rod groove 205a synchronously move, the moving rod 205 moves to a certain position and is limited by the connecting groove 203f so as not to 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 down, the blocking rod 105 moves down synchronously, the blocking disc 105b is tightly attached to the pipe limit groove 104b to block air circulation, and when the upper base 203 moves down, 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 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 collection tank 104 is communicated with the gas inlet pipe 103.
The trolley can repeat the above actions all the time in the moving process, the flow rate of the gas entering the SF6 detection device 203c is increased, the detection efficiency is increased, and thus the upper base 203, the sliding plug 204 and the moving rod 205 can assist the suction assembly 200 to perform self-suction lifting detection accurately while damping the vehicle body.
When SF6 gas is detected by the SF6 detection device 203c, an alarm is sent out, and the alarm is displayed on a display screen to inform, so that SF6 gas leakage detection and early warning work can be rapidly, effectively, safely and reliably completed, the situation that on-site operation personnel inhale important personal safety risks due to untimely alarm after SF6 gas leakage is avoided, and the working efficiency and the working quality are improved. The indoor SF6 concentration and the indoor O2 concentration are effectively monitored, the operation safety of the unattended transformer substation is greatly improved, and the personal safety of daily vision and maintenance personnel is reliably guaranteed.
Therefore, the monitoring level of the insulation technology of the power grid equipment is effectively enhanced through on-site improvement, and the power supply reliability of the power grid is improved.
It is important to note that the construction and arrangement of the 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., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described 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 present application. 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 applications. Therefore, the application is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Furthermore, 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 not associated with the best mode presently contemplated for carrying out the application, or those not associated with practicing the application).
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.
It should be noted that the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application, which is intended to be covered in the scope of the claims of the present application.
Claims (2)
1. The utility model provides a portable SF6 gas detection device which characterized in that: comprising the steps of (a) a step of,
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 the 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 method comprises the steps of,
a trolley assembly (200), the trolley assembly (200) comprising a lower base (202), the lower base (202) being connected with the housing (201);
the trolley assembly (200) further comprises an upper base (203), wherein the upper base (203) is connected with the shell (201) and matched with the lower base (202);
the upper base (203) comprises limit holes (203 a) and cameras (203 b), wherein the limit holes (203 a) are arranged on the upper base (203) in a penetrating mode, a plurality of limit holes (203 a) are formed, and the cameras (203 b) are arranged on the hydraulic telescopic column;
the upper base (203) further comprises an SF6 detection device (203 c) and a storage battery (203 d), and the SF6 detection device (203 c) and the storage battery (203 d) are arranged at the upper end of the upper base (203);
the main air suction disc (101) is provided with a main arc-shaped surface (101 a), the secondary air suction disc (102) is provided with secondary arc-shaped surfaces (101 b), and the secondary air suction discs (102) are provided with two air suction discs;
the upper base (203) further comprises a disc column (203 e), a connecting groove (203 f) and a connecting column (203 g), wherein the disc column (203 e) is arranged at the lower end of the upper base (203), the connecting groove (203 f) is arranged on the disc column (203 e), the connecting column (203 g) is arranged in the connecting groove (203 f), and three connecting grooves (203 f) are arranged, and an included angle between every two adjacent connecting grooves (203 f) is 60 degrees;
the trolley assembly (200) further comprises a sliding plug (204) and a moving rod (205), wherein a sliding connecting hole (204 a) is formed in one end of the sliding plug (204), the connecting column (203 g) is rotatably connected with the sliding connecting hole (204 a), and the sliding plug (204) is matched with the moving rod (205);
the sliding plug (204) comprises a sliding plug wheel (204 c) and a blocking column (204 b), the blocking column (204 b) is arranged on the sliding plug (204), the sliding plug wheel (204 c) is arranged at the lower end of the sliding plug (204), the moving rod (205) comprises a moving rod groove (205 a) and a pulley (205 b), the moving rod groove (205 a) is arranged at the upper end of the moving rod (205), the pulley (205 b) 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 movable rod (205) further comprises an air inlet hole (205 c) and an air outlet hole (205 d), the air inlet hole (205 c) and the air outlet hole (205 d) are formed in the circumferential surface of the movable rod (205), the air outlet hole (205 d) is located at the lower end of the air inlet hole (205 c), and the air outlet hole (205 d) is connected with the SF6 detection device (300) through a pipeline.
2. The mobile SF6 gas detection apparatus of claim 1, 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 (205 c), and the other end of the air inlet pipe (103) is connected with the air collecting tank (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111373896.4A CN114062612B (en) | 2021-11-19 | 2021-11-19 | Mobile SF6 gas detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111373896.4A CN114062612B (en) | 2021-11-19 | 2021-11-19 | Mobile SF6 gas detection device |
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| CN114062612A CN114062612A (en) | 2022-02-18 |
| CN114062612B true CN114062612B (en) | 2023-11-24 |
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