CN110530687A - A kind of SF6 gas-detecting device - Google Patents
A kind of SF6 gas-detecting device Download PDFInfo
- Publication number
- CN110530687A CN110530687A CN201910882508.1A CN201910882508A CN110530687A CN 110530687 A CN110530687 A CN 110530687A CN 201910882508 A CN201910882508 A CN 201910882508A CN 110530687 A CN110530687 A CN 110530687A
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- gas
- bracket
- collection bucket
- detecting device
- gas collection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The application provides a kind of SF6 gas-detecting device, including pedestal, it is provided with bracket on the pedestal, gas collection bucket is provided in bracket, is provided with piston in gas collection bucket, piston is fixed with piston rod, piston rod passes through one end of the gas collection bucket and fixes with the first insulating bar, and the other end of gas collection bucket is fixed with the second bar, and piston rod and the second bar are slidably connected with the bracket, the top of gas collection bucket is provided with import, is equipped with cooling gas check valve in import；Elevating mechanism is provided on the bracket, the elevating mechanism is connect with SF6 gas detecting instrument, and the bottom of the bracket is provided with the through-hole to match with SF6 gas detecting instrument, and the bottom end of the through-hole is provided with rubber hemispherical.The present invention, which may not need man-hour manually hand-held instrument and operating stick, can complete detection process, be sampled outside power distribution cabinet using gas collection bucket by operator, realize people and separate with detector, entire detection process is safer, and testing result is more accurate.
Description
Technical field
The present invention relates to SF6 gas detection technology fields, and in particular to a kind of SF6 gas-detecting device.
Background technique
In the prior art, it is especially carried out in the electrical equipments such as insulated switch of insulation protection with SF6 gas, with electricity consumption
When phenomena such as aging of part of appliance or overtemperature, electric discharge occurs, if SF6 will be decomposed into the dry gas including H2S, SO2
Body molecule, accordingly, it is desirable to detect the concentration of SF6 gas to judge the insulating properties in GIS.
Traditional SF6 gas-detecting device is usually provided with insulating bar, and there is SF6 gas detecting instrument in the end of insulating bar,
Human hand held insulating bar is detected, and this SF6 gas-detecting device needs man-hour manually hand-held to operate in operation, first is that operation is not
It is convenient, it is detected second is that people needs to enter in switchgear house, since SF6 heavier than air 5 is standby, SF6 can largely be deposited on switchgear house
Lower part then will lead to anoxic, there are great security risks, and people are in detection process once people sucks a large amount of SF6
In, it is to be directly placed into detector in the power distribution cabinet for needing to detect, and the gas in room is easy by extraneous various factors
It influences, therefore causes testing result inaccurate.This is existing deficiencies in the technology.
Summary of the invention
Above-mentioned existing in the prior art in order to overcome, the present invention provides a kind of SF6 gas-detecting device, can be at a distance
It is detected with the gas of eminence, and easy to operate, accuracy is high, highly-safe.
A kind of SF6 gas-detecting device, including pedestal are provided with bracket on the pedestal, are provided with gas in the bracket
Body collecting vessel is provided with piston in the gas collection bucket, and the piston is fixed with piston rod, and the piston rod passes through the gas
One end of body collecting vessel is simultaneously fixed with the first insulating bar, and the other end and the second bar of the gas collection bucket are fixed, the piston
Bar and the second bar are slidably connected with the bracket, and the top of the gas collection bucket is provided with import, installation in the import
There is cooling gas check valve；Elevating mechanism is provided on the bracket, the elevating mechanism is connect with SF6 gas detecting instrument, the support
The bottom of frame is provided with the through-hole to match with SF6 gas detecting instrument, and the bottom end of the through-hole is provided with rubber hemispherical.
Further, it is provided with lifting column in the bracket, which is connect by spring with bracket, and the gas is received
The bottom of collection bucket is provided with the boss being used cooperatively with the lifting column.
Further, the bottom of the bracket is provided with controller, and the controller is electrically connected with the elevating mechanism, institute
It states and is additionally provided with opposite type sensor on bracket, the opposite type sensor is electrically connected with the controller.
Further, first insulating bar is connected with link mechanism, and the link mechanism includes push rod and connecting rod, described
One end of push rod is provided with handle, and the other end of the push rod and the first sliding sleeve are hinged；The lower end of the connecting rod and the first sliding sleeve
It is slidably connected, the upper end of the connecting rod is slidably connected with the second sliding sleeve, and second sliding sleeve and the first insulating bar are hinged；Positioned at
Connecting rod and pedestal between one sliding sleeve and the second sliding sleeve is hinged.
Further, the boss is trapezoid boss, and the long side of trapezoid boss is connect with the bottom of gas collection bucket；It is described
The upper surface of lifting column is hemispherical face.
Further, the lower part of the bracket is fixed with height regulating rod, and multiple spiral shells are provided on the height regulating rod
Keyhole, the height regulating rod are fixedly connected by the bolt being located in bolt hole with pedestal.
Further, the elevating mechanism includes motor, gear and rack gear, the control signal output of the controller
It is electrically connected with the control terminal of motor, the motor is fixedly connected with bracket, and gear, tooth are provided on the output shaft of motor
Wheel and rack engages, and is fixed with SF6 gas detecting instrument on rack gear.
Further, one end of the connecting rod and " L " type bracket is hinged, and the other end and pedestal of " L " the type bracket are solid
Fixed connection.
Further, the push rod and connecting rod are insulating bar.
Further, the first fixed block and the second fixed block, first fixed block and second are provided on the pedestal
Be respectively arranged with the through-hole to match with push rod in fixed block, the push rod sequentially pass through through-hole in first fixed block and
Through-hole in second fixed block.
The beneficial effects of the present invention are: SF6 gas-detecting device provided by the invention may not need man-hour manually hand-held instrument
Detection process can be completed with operating stick, is sampled, is realized using gas collection bucket outside power distribution cabinet by operator
People separates with detector, and entire detection process is safer, and testing result is more accurate.In addition, design principle of the present invention is reliable,
Structure is simple, has very extensive application prospect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without creative efforts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the specific embodiment of the invention.
Fig. 2 is the portion the A schematic enlarged-scale view of Fig. 1.
Fig. 3 is the portion the B schematic enlarged-scale view of Fig. 1.
Fig. 4 is the portion the C schematic enlarged-scale view of Fig. 1.
In figure, 1 is handle, and 2 be the first fixed block, and 3 be movable pulley, and 4 be push rod, and 5 be the first sliding sleeve, and 6 be " L " type branch
Frame, 7 be the second sliding sleeve, and 8 be pedestal, and 9 be connecting rod, and 10 be the first insulating bar, and 11 be piston rod, and 12 be piston, and 13 receive for gas
Collect bucket, 14 be the second bar, and 15 be through-hole, and 16 be SF6 gas detecting instrument, and 17 be lifting column, and 18 be boss, and 19 be controller, 20
It is bolt for spring, 21,22 be height regulating rod, and 23 be bolt hole, and 24 be rubber hemispherical, and 25 be the second fixed block, and 26 be electricity
Motivation, 27 be gear, and 28 be rack gear, and 29 be transmitting terminal, and 30 be receiving end.
Specific embodiment
The Key Term occurred in the present invention is explained below.
Rubber hemispherical: the energy hemisphere that deformation occurs of rubber material production.Rubber hemisphere body needs in pairs in use, can send out
Simultaneously containing component is inserted between two opposite rubber hemisphericals raw elasticity shape.
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention
Range.
A kind of SF6 gas-detecting device, including pedestal 8 are provided with bracket on the pedestal 8, are provided in the bracket
Gas collection bucket 13 is provided with piston 12 in the gas collection bucket 13, and the piston 12 and piston rod 11 are fixed, the piston
Bar 11 passes through one end of the gas collection bucket 13 and fixed with the first insulating bar 10, the other end of the gas collection bucket 13 with
Second bar 14 is fixed, and the piston rod 11 and the second bar 14 are slidably connected with the bracket.As shown, the shape class of bracket
Like Y-shaped, gas collection bucket 13 is located in bracket, and the left and right side of bracket offers through-hole, piston rod 11 and second respectively
Bar 14 both passes through the through-hole, and when pushing the first insulating bar 10, piston 12 can be moved, when piston 12 be moved to bracket left end or
When right end, also energy band body collecting vessel 13 of taking offence moves in bracket.
The top of the gas collection bucket 13 is provided with import, is equipped with cooling gas check valve in the import, the gas list
It is only capable of that gas unidirectional is allowed to flow to valve, gas is made to enter the inside of gas collection bucket 13 by the outside of gas collection bucket 13, from
And complete the collection to gas.
Lifting column 17 is provided in the bracket, which is connect by spring 20 with bracket, the gas collection
The bottom of bucket 13 is provided with the boss 18 being used cooperatively with the lifting column 17；Specifically, the boss 18 is trapezoid boss, ladder
The long side of shape boss is connect with the bottom of gas collection bucket 13, and the upper surface of the lifting column 17 is hemispherical face.Gas collection
When bucket 13 moves in bracket, when the lower surface of boss 18 touches lifting column 17, lifting column 17 will be pressed into bracket,
When the lower surface of boss 18 is far from lifting column 17, lifting column 17 will rise, and play the role of positioning to gas collection bucket 13.
Elevating mechanism is provided on the bracket, the elevating mechanism is connect with SF6 gas detecting instrument 16, the bracket
Bottom is provided with the through-hole 15 to match with SF6 gas detecting instrument 16, and the bottom end of the through-hole 15 is provided with rubber hemispherical 24, prevents
Only gas is flowed out out of this through-hole 15.Specifically, the elevating mechanism includes motor 26, gear 27 and rack gear 28, the electricity
Motivation 26 is fixedly connected with bracket, and gear 27 is provided on the output shaft of motor 26, and gear 27 is engaged with rack gear 28, rack gear 28
On be fixed with SF6 gas detecting instrument 16.The rotation of 26 rotation driven gear 27 of motor, gear 27 is mobile with carry-over bar 28, thus
SF6 gas detecting instrument 16 is driven to rise, successively by the through-hole 15 on the through-hole and boss 18 on bracket, into gas collection bucket
In 13, gas is detected.
In order to realize the automation control to device, the bottom of the bracket is provided with controller 19, the controller 19
It is electrically connected with the elevating mechanism, specifically, the control signal output of the controller 19 and the control terminal of motor 26 electricity
It connects, is additionally provided with opposite type sensor on the bracket, opposite type sensor includes transmitting terminal 29 and receiving end 30, with controller 19
Electrical connection.As shown, pushing the first insulating bar 10 to the right, the first insulating bar 10 is transported to the right by piston rod 11 with piston 12
Dynamic (gas collection bucket 13 is motionless) air in gas collection bucket 13 is discharged, when piston rod 11 reaches gas collection bucket 13
When right end, the first insulating bar 10 is continued to press on, piston 12 is motionless at this time, and entire gas collection bucket 13 moves right, lifting column
17 are pressed into bracket, and transmitting terminal 29 emits signal, and receiving end 30 receives signal and passes the signal along to controller 19, controlling
Low level is shown as in device 19；When gas collection bucket 13 reaches the right end of bracket, lifting column 17 rises, at this point, controlling
It is shown as high level in device 19, completes an exhaust process；The first insulating bar 10 is pulled to the left, and the first insulating bar 10 passes through piston
Bar 11 moves downward (gas collection bucket 13 is motionless) with piston 12, and indoor gas enters gas collection by cooling gas check valve
In bucket 13, when piston rod 11 reaches the left end of gas collection bucket 13, the first insulating bar 10 is pulled on, piston 12 is not at this time
Dynamic, entire gas collection bucket 13 moves downward, and lifting column 17 is pressed into bracket again, and transmitting terminal 29 emits signal, receiving end
30 reception signals simultaneously pass the signal along to controller 19, are shown as low level in controller 19；When gas collection bucket 13 reaches
When the left end of bracket, lifting column 17 rises, at this point, being shown as high level in controller 19, completes a collection gas
Process.Control motor 26 rotates after controller 19 shows one group of low level, high level, low level, high level, drives SF6
Gas detecting instrument 16 ascends into gas collection bucket 13, completes the detection of SF6 gas, and after the completion of detection, controller 19 is controlled
SF6 gas detecting instrument 16 declines, and completes a detection process.It should be noted that controller 19 in this programme and to penetrating out
The connection relationship between electric elements and electric elements such as pass belongs to the prior art, what the electric elements in this case were all made of
It is the common electric elements that can be bought on the market.
In order to obtain the gas of distal end, the present invention is provided with link mechanism, specifically, first insulating bar 10 and connecting rod
Mechanism is connected, and the link mechanism includes push rod 4 and connecting rod 9, and the push rod 4 and connecting rod 9 are insulating bar, the push rod 4
One end is provided with handle 1, and the other end of the push rod 4 and the first sliding sleeve 5 are hinged；The lower end of the connecting rod 9 and the first sliding sleeve 5 are sliding
Dynamic connection, the upper end of the connecting rod 9 are slidably connected with the second sliding sleeve 7, and second sliding sleeve 7 and the first insulating bar 10 are hinged；Position
Connecting rod 9 and pedestal 8 between the first sliding sleeve 5 and the second sliding sleeve 7 is hinged.When with hand operation handle 1, the fortune of push rod 4 will drive
Dynamic, push rod 4 drives connecting rod 9 to move, and connecting rod 9 drives the movement of the first insulating bar 10, and then piston rod 11 is driven to move.In order to prevent
First sliding sleeve 5 and the second sliding sleeve 7 are deviate from connecting rod 9, and block is respectively set on the top of connecting rod 9 and bottom end in the present invention.
The connecting rod 9 with " one end of L " type bracket 6 is hinged, described " other end of L " type bracket 6 and pedestal 8 is fixed connects
It connects, present invention employs lever principles, and distance of the hinge joint apart from 9 bottom end of connecting rod is made to be less than hinge joint apart from 9 top of connecting rod
Distance, handle 1 need to only move the distance of very little when pushing, piston rod 11 can be made to generate very big displacement, relatively labor-saving.
In actual work, push rod 4 is long, and in order to realize the limit to push rod 4, it is solid that first is provided on the pedestal 8
Determine block 2 and the second fixed block 25, is respectively arranged in first fixed block 2 and the second fixed block 25 and matches with push rod 4
Through-hole, the push rod 4 sequentially pass through the through-hole in through-hole and the second fixed block 25 in first fixed block 2.
In order to obtain the gas of eminence, the lower part of the bracket is fixed with height regulating rod 22, the height regulating rod
Multiple bolts hole 23 are provided on 22, the height regulating rod 22 is fixed by the bolt 21 and pedestal 8 being located in bolt hole 23
Connection, realizes the controllability of bracket.
For the ease of moving to whole device, the bottom of the pedestal 8 is provided with movable pulley 3.
Although by reference to attached drawing and combining the mode of preferred embodiment to the present invention have been described in detail, the present invention
It is not limited to this.Without departing from the spirit and substance of the premise in the present invention, those of ordinary skill in the art can be to the present invention
Embodiment carry out various equivalent modifications or substitutions, and these modifications or substitutions all should in covering scope of the invention/appoint
What those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, answer
It is included within the scope of the present invention.Therefore, protection scope of the present invention is answered described is with scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of SF6 gas-detecting device, including pedestal, it is characterised in that: bracket is provided on the pedestal, in the bracket
It is provided with gas collection bucket, piston is provided in the gas collection bucket, the piston is fixed with piston rod, and the piston rod is worn
It crosses one end of the gas collection bucket and is fixed with the first insulating bar, the other end and the second bar of the gas collection bucket are fixed,
The piston rod and the second bar are slidably connected with the bracket, and the top of the gas collection bucket is provided with import, it is described into
Cooling gas check valve is installed in mouthful；Elevating mechanism is provided on the bracket, the elevating mechanism and SF6 gas detecting instrument connect
It connects, the bottom of the bracket is provided with the through-hole to match with SF6 gas detecting instrument, and the bottom end of the through-hole is provided with rubber half
Ball.
2. SF6 gas-detecting device according to claim 1, it is characterised in that: it is provided with lifting column in the bracket, it should
Lifting column is connect by spring with bracket, the bottom of the gas collection bucket be provided be used cooperatively with the lifting column it is convex
Platform.
3. SF6 gas-detecting device according to claim 2, it is characterised in that: the bottom of the bracket is provided with control
Device, the controller are electrically connected with the elevating mechanism, and opposite type sensor, the opposite type sensor are additionally provided on the bracket
It is electrically connected with the controller.
4. SF6 gas-detecting device according to claim 3, it is characterised in that: first insulating bar and link mechanism
It is connected, the link mechanism includes push rod and connecting rod, and one end of the push rod is provided with handle, the other end of the push rod and the
One sliding sleeve is hinged；The lower end of the connecting rod is slidably connected with the first sliding sleeve, and the upper end of the connecting rod is slidably connected with the second sliding sleeve,
Second sliding sleeve and the first insulating bar are hinged；Connecting rod and pedestal between the first sliding sleeve and the second sliding sleeve is hinged.
5. SF6 gas-detecting device according to claim 2, it is characterised in that: the boss is trapezoid boss, trapezoidal convex
The long side of platform is connect with the bottom of gas collection bucket；The upper surface of the lifting column is hemispherical face.
6. SF6 gas-detecting device according to claim 4, it is characterised in that: the lower part of the bracket is fixed with height
Adjusting rod, multiple bolts hole are provided on the height regulating rod, and the height regulating rod passes through the bolt being located in bolt hole
It is fixedly connected with pedestal.
7. SF6 gas-detecting device according to claim 6, it is characterised in that: the elevating mechanism includes motor, tooth
Wheel and rack gear, the control signal output of the controller are electrically connected with the control terminal of motor, and the motor and bracket are solid
It is fixed to connect, gear is provided on the output shaft of motor, wheel and rack engages, and is fixed with SF6 gas detecting instrument on rack gear.
8. SF6 gas-detecting device according to claim 7, it is characterised in that: one end of the connecting rod and " L " type bracket
Hingedly, the other end of described " L " the type bracket is fixedly connected with pedestal.
9. SF6 gas-detecting device according to claim 8, it is characterised in that: the push rod and connecting rod are insulating bar.
10. SF6 gas-detecting device according to claim 9, it is characterised in that: it is fixed to be provided with first on the pedestal
Block and the second fixed block are respectively arranged with the through-hole to match with push rod in first fixed block and the second fixed block, described
Push rod sequentially passes through the through-hole in through-hole and the second fixed block in first fixed block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910882508.1A CN110530687B (en) | 2019-09-18 | 2019-09-18 | Gaseous detection device of SF6 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910882508.1A CN110530687B (en) | 2019-09-18 | 2019-09-18 | Gaseous detection device of SF6 |
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| Publication Number | Publication Date |
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| CN110530687A true CN110530687A (en) | 2019-12-03 |
| CN110530687B CN110530687B (en) | 2022-04-29 |
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ID=68669158
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910882508.1A Active CN110530687B (en) | 2019-09-18 | 2019-09-18 | Gaseous detection device of SF6 |
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| CN (1) | CN110530687B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115372558A (en) * | 2022-08-22 | 2022-11-22 | 九江学院 | Gas sensor characteristic detection system and detection method thereof |
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| CN110530687B (en) | 2022-04-29 |
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