CN107192797A - Sulfur hexafluoride gas concentration detecting instrument - Google Patents
Sulfur hexafluoride gas concentration detecting instrument Download PDFInfo
- Publication number
- CN107192797A CN107192797A CN201710590374.7A CN201710590374A CN107192797A CN 107192797 A CN107192797 A CN 107192797A CN 201710590374 A CN201710590374 A CN 201710590374A CN 107192797 A CN107192797 A CN 107192797A
- Authority
- CN
- China
- Prior art keywords
- expansion link
- sulfur hexafluoride
- detection
- guide rail
- detecting instrument
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 72
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 72
- 238000001514 detection method Methods 0.000 claims abstract description 56
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 239000007788 liquid Substances 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 206010028347 Muscle twitching Diseases 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 206010003497 Asphyxia Diseases 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003682 fluorination reaction Methods 0.000 description 1
- UACMVUUZPBXZME-UHFFFAOYSA-N hexafluoro-lambda6-sulfane Chemical compound S(F)(F)(F)(F)(F)F.S(F)(F)(F)(F)(F)F UACMVUUZPBXZME-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
Classifications
-
- 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
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0044—Sulphides, e.g. H2S
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The present invention relates to a kind of sulfur hexafluoride gas concentration detecting instrument, region to be detected is stretched into after length needed for telescopic detection bar is stretched to, sulfur hexafluoride sensor is in region to be detected, is treated detection zone and is detected, the result that detection is completed is fed back on controller；Controller control graphene heating film work, make graphene heating film treat detection zone to be heated, it is heated to after more than 45 degree a period of times of room temperature, controller control sulfur hexafluoride sensor treats detection zone and carries out second of detection, testing result is fed back into controller after the completion of detection, if the concentration of sulfur hexafluoride of second of detection is more than the concentration of sulfur hexafluoride of detection for the first time, then contain liquid sulfur hexafluoride in region to be measured, if the concentration of sulfur hexafluoride of second of detection is equal to the concentration of sulfur hexafluoride of detection for the first time, then liquid sulfur hexafluoride is not contained in region to be measured, the present invention is simple in construction, it is easy to operate, the liquid sulfur hexafluoride being hidden in cable duct can be detected.
Description
Technical field
The present invention relates to gas detection technology field, more particularly, to a kind of sulfur hexafluoride gas concentration detecting instrument.
Background technology
Sulfur hexafluoride (SF6) gas is a kind of colourless, tasteless, nontoxic, non-combustible and transparent gas, under normal conditions
There is liquefied possibility, could keep gaseous state more than 45 degrees Celsius, the density of sulfur hexafluoride gas is about five times of air,
Sulfur hexafluoride gas will be deposited in low-lying place, such as cable duct if any leakage.Pure sulfur hexafluoride gas is although nontoxic, but
To prevent the concentration of sulfur hexafluoride gas from rising to the level of anoxic in workplace, concentration is excessive to occur the danger for making one to suffocate
Danger.
Traditional sulfur hexafluoride gas concentration detecting instrument is only capable of detecting sulfur hexafluoride gas, if sulfur hexafluoride liquefaction is in electricity
In cable ditch, traditional sulfur hexafluoride gas detector can not then be detected, when temperature reaches 45 degrees Celsius, liquid sulfur hexafluoride
Sulfur hexafluoride gas is gasificated into, occurring if concentration is excessive makes one the danger of asphyxia.
The content of the invention
The technical problem to be solved in the present invention is：In order to overcome traditional sulfur hexafluoride gas concentration detecting instrument to be only capable of detection
To sulfur hexafluoride gas, if sulfur hexafluoride liquefaction is in cable duct, traditional sulfur hexafluoride gas detector can not then be detected,
When temperature reaches 45 degrees Celsius, liquid sulfur hexafluoride is gasificated into sulfur hexafluoride gas, and occurring if concentration is excessive makes one to stop up
The problem of breath, there is provided a kind of sulfur hexafluoride gas concentration detecting instrument.
The technical solution adopted for the present invention to solve the technical problems is：A kind of sulfur hexafluoride gas concentration detecting instrument, bag
Housing is included, the shell one end is provided with one end away from housing in telescopic detection bar, the detection bar and is fixedly installed
Sulfur hexafluoride sensor, the sulfur hexafluoride sensor and the enclosure interior are installed with mounting seat, the mounting seat
Controller electrical connection, the outer surface of the mounting seat is covered with graphene heating film, the graphene heating film and the control
Device electrical connection processed.
When being detected using the detector of the present invention, telescopic detection bar is first stretched to required length, will be flexible
Bar stretches into region to be detected, and sulfur hexafluoride sensor is in region to be detected, treats detection zone and detected, detection is completed
Result feed back on controller；Controller control graphene heating film work, makes graphene heating film treat detection zone and enters
Row heating, was heated to after more than 45 degree a period of times of room temperature, and controller control sulfur hexafluoride sensor treats detection zone progress
Second is detected, testing result is fed back into controller after the completion of detection, if the concentration of sulfur hexafluoride of second of detection is more than the
The concentration of sulfur hexafluoride of one-time detection, then contain liquid sulfur hexafluoride in region to be measured, if the sulfur hexafluoride of second of detection is dense
Degree is equal to the concentration of sulfur hexafluoride of detection for the first time, then does not contain liquid sulfur hexafluoride in region to be measured.
In order to realize the scalable of detection bar, the detection bar includes the first expansion link and the second expansion link, the housing
Guide rail is inside provided with, first expansion link is slidably arranged in the guide rail, second expansion link is slidably arranged in described
In first expansion link, the mounting seat is fixedly mounted on one end of second expansion link, and first expansion link is led with described
The first stopping means is provided between rail, the second spacing dress is provided between first expansion link and second expansion link
Put, in use, twitching the second expansion link, the second expansion link stretches out out of first expansion link, meanwhile, the first expansion link is out of guide rail
Stretch out, after length needed for reaching, the first stopping means limits movement of first expansion link in guide rail, the second stopping means limit
Movement of second expansion link in guide rail is made, the length of detection bar is fixed.
First stopping means includes first annular projection, and the first annular projection is circumferentially fixed to stretch described first
One end of contracting bar, the guide rail is cylindrical shape guide rail, is circumferentially offered on the inner peripheral surface of described guide rail one end first annular recessed
Groove, first expansion link is the cylindrical shape with axial gap, when the first expansion link, which is reached, stretches out maximum, described first
Annular protrusion is fastened in the first annular groove, when the first expansion link is moved in guide rail, and first annular projection, which is stuck in, to be led
In rail, the first annular raised breach extruded on the first expansion link, the first expansion link diminishes, and the first expansion link resilience makes first
Annular protrusion is close to the inner peripheral surface of guide rail, so as to reach the purpose for fixing the first expansion link.
Second stopping means includes the second annular protrusion, and second annular protrusion is circumferentially fixed to be stretched described second
The second annular groove is circumferentially offered on one end of contracting bar, the inner peripheral surface of described first expansion link one end, described second stretches
Bar is the cylindrical shape with axial gap, and when the second expansion link, which is reached, stretches out maximum, second annular protrusion is fastened on
In second annular groove, when the second expansion link is moved in the first expansion link, the second annular protrusion is stuck in the first expansion link
Interior, the breach that the second annular protrusion is extruded on the second expansion link, the second expansion link diminishes, and the second expansion link resilience makes the second ring
Shape projection is close to the inner peripheral surface of the first expansion link, so as to reach the purpose for fixing the second expansion link.
Further, it is provided with the guide rail for stopping that the first expansion link departs from the stopper of guide rail.
For the ease of the concentration of the sulfur hexafluoride gas detected by observation, display screen is provided with the housing, it is described
Display screen is electrically connected with the controller.
For the ease of the detector of the operation present invention, operation keyboard, the operation keyboard and institute are provided with the housing
State controller electrical connection.
The beneficial effects of the invention are as follows:The sulfur hexafluoride gas concentration detecting instrument of the present invention, when in use, first will be scalable
Detection bar be stretched to required length, expansion link is stretched into region to be detected, sulfur hexafluoride sensor is in region to be detected,
Treat detection zone to be detected, the result that detection is completed is fed back on controller；Controller control graphene heating film work,
Make graphene heating film treat detection zone to be heated, be heated to after more than 45 degree a period of times of room temperature, controller control six
Fluorination sulfer sensor treats detection zone and carries out second of detection, and testing result is fed back into controller after the completion of detection, if the
The concentration of sulfur hexafluoride of secondary detection is more than the concentration of sulfur hexafluoride of detection for the first time, then lithium containing liquid in region to be measured
Sulphur, is not contained if the concentration of sulfur hexafluoride of second of detection is equal in the concentration of sulfur hexafluoride of detection for the first time, region to be measured
Liquid sulfur hexafluoride, the present invention is simple in construction, easy to operate, can detect the liquid sulfur hexafluoride being hidden in cable duct.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the two-dimensional representation of the present invention；
Fig. 2 is the sectional view of the present invention；
Fig. 3 is the enlarged drawing at A in Fig. 2 of the present invention；
Fig. 4 is the enlarged drawing at B in Fig. 2 of the present invention；
Fig. 5 is the enlarged drawing at C in Fig. 2 of the present invention.
In figure：1. housing, 2. detection bars, 3. mounting seats, 4. sulfur hexafluoride sensors, 5. controllers, the heating of 6. graphenes
Film, 7. first expansion links, 8. second expansion links, 9. guide rails, 10. first annular projections, 11. second annular protrusions, 12. stop
Block, 13. display screens, 14. operation keyboards.
Embodiment
Presently in connection with accompanying drawing, the present invention will be further described in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
A kind of sulfur hexafluoride gas concentration detecting instrument as shown in Figure 1, including housing 1, described one end of housing 1 is provided with can
One end away from housing 1 is fixedly installed in mounting seat 3, the mounting seat 3 fixed in flexible detection bar 2, the detection bar 2
Sulfur hexafluoride sensor 4 is installed, the sulfur hexafluoride sensor 4 is electrically connected with the controller 5 inside the housing 1, described
The outer surface of mounting seat 3 is covered with graphene heating film 6, as shown in figure 3, the graphene heating film 6 and the electricity of controller 5
Connection.
When being detected using the detector of the present invention, telescopic detection bar 2 is first stretched to required length, will be flexible
Bar stretches into region to be detected, and sulfur hexafluoride sensor 4 is in the interior of region to be detected, treats detection zone and detected, detects
On the controller 5 of the result feedback of completion；The control graphene of controller 5 heating film 6 works, and makes graphene heating film 6 to be checked
Survey region to be heated, be heated to after more than 45 degree a period of times of room temperature, controller 5 controls sulfur hexafluoride sensor 4 to be checked
Survey region and carry out second of detection, testing result is fed back into controller 5 after the completion of detection, if the sulfur hexafluoride of second of detection
Concentration is more than the concentration of sulfur hexafluoride of detection for the first time, then contains liquid sulfur hexafluoride in region to be measured, if second of detection
Concentration of sulfur hexafluoride is equal to the concentration of sulfur hexafluoride of detection for the first time, then does not contain liquid sulfur hexafluoride in region to be measured.
In order to realize the scalable of detection bar 2, the detection bar 2 includes the first expansion link 7 and the second expansion link 8, such as Fig. 2
It is shown, guide rail 9 is provided with the housing 1, first expansion link 7 is slidably arranged in the guide rail 9, described second stretches
Bar 8 is slidably arranged in first expansion link 7, and the mounting seat 3 is fixedly mounted on one end of second expansion link 8, institute
State and the first stopping means is provided between the first expansion link 7 and the guide rail 9, first expansion link 7 stretches with described second
The second stopping means is provided between bar 8, in use, twitching the second expansion link 8, the second expansion link 8 is stretched out of first expansion link 7
Go out, meanwhile, the first expansion link 7 stretches out out of guide rail 9, after length needed for reaching, and the first stopping means limits the first expansion link 7
Movement in guide rail 9, the second stopping means limits movement of second expansion link 8 in guide rail 9, and the length of detection bar 2 is consolidated
It is fixed.
First stopping means includes first annular raised 10, and described first annular raised 10 is circumferentially fixed described the
One end of one expansion link 7, the guide rail 9 is cylindrical shape guide rail 9, and the is circumferentially offered on the inner peripheral surface of described one end of guide rail 9
One annular groove, first expansion link 7 is the cylindrical shape with axial gap, and maximum is stretched out when the first expansion link 7 is reached
When, described first annular raised 10 are fastened in the first annular groove, as shown in figure 5, the first expansion link 7 is in guide rail 9
When mobile, first annular raised 10 are stuck in guide rail 9, the first expansion link 7 of first annular raised 10 extruding, on the first expansion link 7
Breach diminish, the resilience of the first expansion link 7 makes first annular raised 10 to be close to the inner peripheral surface of guide rail 9, and is fixed so as to reach
The purpose of one expansion link 7.
Second stopping means includes the second annular protrusion 11, and second annular protrusion 11 is circumferentially fixed described the
The second annular groove, described are circumferentially offered on one end of two expansion links 8, the inner peripheral surface of described one end of first expansion link 7
Two expansion links 8 are the cylindrical shape with axial gap, when the second expansion link 8, which is reached, stretches out maximum, second convex annular
11 are played to be fastened in second annular groove, as shown in figure 4, when the second expansion link 8 is moved in the first expansion link 7, second
Annular protrusion 11 is stuck in the first expansion link 7, and the second annular protrusion 11 extrudes the breach on the second expansion link 8, the second expansion link 8
Diminish, the resilience of the second expansion link 8 makes the second annular protrusion 11 be close to the inner peripheral surface of the first expansion link 7, is fixed so as to reach
The purpose of two expansion links 8.
Further, it is provided with the guide rail 9 for stopping that the first expansion link 7 departs from the stopper 12 of guide rail 9.
For the ease of the concentration of the sulfur hexafluoride gas detected by observation, display screen 13, institute are provided with the housing 1
Display screen 13 is stated to electrically connect with the controller 5.
For the ease of the detector of the operation present invention, operation keyboard 14, the operation keyboard 14 are provided with the housing 1
Electrically connected with the controller 5.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (7)
1. a kind of sulfur hexafluoride gas concentration detecting instrument, it is characterised in that：Including housing (1), described housing (1) one end is provided with
One end away from housing (1) is fixedly installed mounting seat (3), the peace on telescopic detection bar (2), the detection bar (2)
Sulfur hexafluoride sensor (4), the sulfur hexafluoride sensor (4) and the housing (1) inside are installed with dress seat (3)
Controller (5) is electrically connected, and the outer surface of the mounting seat (3) is covered with graphene heating film (6), the graphene heating film
(6) electrically connected with the controller (5).
2. sulfur hexafluoride gas concentration detecting instrument as claimed in claim 1, it is characterised in that：The detection bar (2) includes the
Guide rail (9) is provided with one expansion link (7) and the second expansion link (8), the housing (1), first expansion link (7) is slided and set
Put in the guide rail (9), second expansion link (8) is slidably arranged in first expansion link (7), the mounting seat
(3) one end of second expansion link (8) is fixedly mounted on, is provided between first expansion link (7) and the guide rail (9)
First stopping means, the second stopping means is provided between first expansion link (7) and second expansion link (8).
3. sulfur hexafluoride gas concentration detecting instrument as claimed in claim 2, it is characterised in that：First stopping means includes
First annular projection (10), described first annular raised (10) circumferentially fixed one end in first expansion link (7) is described to lead
Rail (9) is cylindrical shape guide rail (9), circumferentially offers first annular groove on the inner peripheral surface of described guide rail (9) one end, described the
One expansion link (7) is the cylindrical shape with axial gap, when the first expansion link (7), which is reached, stretches out maximum, first ring
Shape projection (10) is fastened in the first annular groove.
4. sulfur hexafluoride gas concentration detecting instrument as claimed in claim 3, it is characterised in that：Second stopping means includes
Second annular protrusion (11), the circumferentially fixed one end in second expansion link (8) of second annular protrusion (11), described
The second annular groove is circumferentially offered on the inner peripheral surface of one expansion link (7) one end, second expansion link (8) is with axial direction
The cylindrical shape of breach, when the second expansion link (8), which is reached, stretches out maximum, second annular protrusion (11) is fastened on described the
In second ring groove.
5. sulfur hexafluoride gas concentration detecting instrument as claimed in claim 2, it is characterised in that：It is provided with the guide rail (9)
For stopping that the first expansion link (7) departs from the stopper (12) of guide rail (9).
6. sulfur hexafluoride gas concentration detecting instrument as claimed in claim 1, it is characterised in that：It is provided with the housing (1)
Display screen (13), the display screen (13) electrically connects with the controller (5).
7. sulfur hexafluoride gas concentration detecting instrument as claimed in claim 1, it is characterised in that：It is provided with the housing (1)
Operation keyboard (14), the operation keyboard (14) electrically connects with the controller (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710590374.7A CN107192797A (en) | 2017-07-19 | 2017-07-19 | Sulfur hexafluoride gas concentration detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710590374.7A CN107192797A (en) | 2017-07-19 | 2017-07-19 | Sulfur hexafluoride gas concentration detecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107192797A true CN107192797A (en) | 2017-09-22 |
Family
ID=59883151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710590374.7A Pending CN107192797A (en) | 2017-07-19 | 2017-07-19 | Sulfur hexafluoride gas concentration detecting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107192797A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1668239A (en) * | 2002-07-22 | 2005-09-14 | 尤妮佳股份有限公司 | Holding device and cleaning tool with the holding device |
| US20140260530A1 (en) * | 2013-03-15 | 2014-09-18 | Mark Dunn Mitchell | Apparatus and methods for measuring concentrations |
| CN205175983U (en) * | 2015-10-26 | 2016-04-20 | 中国石油化工股份有限公司 | Gas detector |
-
2017
- 2017-07-19 CN CN201710590374.7A patent/CN107192797A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1668239A (en) * | 2002-07-22 | 2005-09-14 | 尤妮佳股份有限公司 | Holding device and cleaning tool with the holding device |
| US20140260530A1 (en) * | 2013-03-15 | 2014-09-18 | Mark Dunn Mitchell | Apparatus and methods for measuring concentrations |
| CN205175983U (en) * | 2015-10-26 | 2016-04-20 | 中国石油化工股份有限公司 | Gas detector |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170922 |