CN108614062A - A kind of transformer insulated oil chromatogram analysis experiment sample introduction auxiliary device and method - Google Patents
A kind of transformer insulated oil chromatogram analysis experiment sample introduction auxiliary device and method Download PDFInfo
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- CN108614062A CN108614062A CN201810475257.0A CN201810475257A CN108614062A CN 108614062 A CN108614062 A CN 108614062A CN 201810475257 A CN201810475257 A CN 201810475257A CN 108614062 A CN108614062 A CN 108614062A
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- 238000004458 analytical method Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000002474 experimental method Methods 0.000 title abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 86
- 238000002347 injection Methods 0.000 claims abstract description 26
- 239000007924 injection Substances 0.000 claims abstract description 26
- 238000012360 testing method Methods 0.000 claims description 13
- 238000005070 sampling Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 13
- 239000007789 gas Substances 0.000 description 9
- 230000009471 action Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 5
- 239000005060 rubber Substances 0.000 description 5
- 238000004587 chromatography analysis Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005507 spraying Methods 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
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 239000006199 nebulizer Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 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
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/16—Injection
- G01N30/18—Injection using a septum or microsyringe
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
A kind of transformer insulated oil chromatogram analysis experiment sample introduction auxiliary device of present invention offer and method, device include shell and injector assembly module；Injector assembly module is arranged outside shell, and is arranged on injection port top；Injector assembly module includes syringe fixing piece, syringe body, syringe needle and syringe piston；Control mechanism of pushing pin is provided on syringe piston, syringe body is arranged on syringe fixing piece, and connection shaft is provided on syringe fixing piece；It is vertical with syringe to connect shaft, and runs through shell；The setting of shaft one end is connected in syringe fixing piece, the other end is arranged inside the shell；Be additionally provided with controller in shell, controller is connected with power module and relay module, and relay module is connected with plug needle control mechanism and syringe body rotation controling mechanism, relay module also with push pin control mechanism and power module is connect；Plug needle control mechanism and syringe body rotation controling mechanism with connect shaft connect.
Description
Technical field
The invention belongs to transformer insulated oil chromatogram analysis to test field, and in particular to a kind of transformer insulated oil chromatography point
Analysis experiment sample introduction auxiliary device and method.
Background technology
《Directive/guide is analyzed and judged to GB/T 7252-2001 Gases Dissolved in Transformer Oil》Middle regulation：To the more of same gas
The analysis result of secondary sample introduction, should be within ± the 1.5% of its average value（I.e. repeatability is within ± 1.5%）.Measure transformer oil
In middle dissolved gas analysis experiment, sample introduction process is a crucial step, and sample size, sample injection time and sampling device all can be to analyzing number
According to having an impact.
The traditional input mode of laboratory is to be inserted into injection port using syringe to complete sample introduction, in actual mechanical process
In, since injection port bore is small, in addition operating personnel operation otherness, often lead to problems with occur, and influence into
The consistency of sample repeatability：1, syringe and gasket out of plumb damage syringe needle, sample introduction failure；2, nebulizer gas pressure in injection port
Greatly, cause in carrier gas indentation syringe, and be pressed into the sample introduction again that resample minimal amount.Sample introduction failure can not only waste
Oscillation gained balanced gas so that experiment is reformed, the significant wastage time, and is possible to damage injection needle.
This is the deficiencies in the prior art, therefore, in view of the above-mentioned drawbacks in the prior art, provides a kind of transformer insulation oil
Sample introduction auxiliary device and method are tested in chromatography, are necessary.
Invention content
It is an object of the present invention to lead to the defect of sample introduction failure for going wrong in above-mentioned sample introduction practical operation, carry
For a kind of transformer insulated oil chromatogram analysis experiment sample introduction auxiliary device and method, to solve the above technical problems.
To achieve the above object, the present invention provides following technical scheme：
A kind of transformer insulated oil chromatogram analysis experiment sample introduction auxiliary device, including shell and injector assembly module；
Injector assembly module is arranged in the outside of shell, and is arranged on the top of injection port；
Injector assembly module includes syringe fixing piece and syringe；
Syringe includes syringe body, syringe needle and syringe piston；
Control mechanism of pushing pin is provided on syringe piston, syringe body is arranged on syringe fixing piece, syringe fixing piece
On be provided with connection shaft；
It is vertical with syringe to connect shaft, and runs through shell；
The setting of shaft one end is connected in syringe fixing piece, the other end is arranged inside the housing；
Enclosure is additionally provided with controller, and controller is connected with power module and relay module, and relay module is connected with
Plug needle control mechanism and syringe body rotation controling mechanism, relay module also with push pin control mechanism and power module connects
It connects；
Plug needle control mechanism and syringe body rotation controling mechanism with connect shaft connect.
Further, relay module includes the first relay, the second relay and third relay, controller and first
Relay, the second relay and third relay are separately connected, power module and the first relay, the second relay and third after
Electric appliance is separately connected, and the first relay is connect with control mechanism of pushing pin, and the second relay is connect with plug needle control mechanism, third
Relay is connect with syringe body rotation controling mechanism.
Further, shell includes top surface, bottom surface, front, back, first side and second side；
Injector assembly module is arranged outside second side；
Syringe fixing piece, including top panel, middle panel and lower panel, top panel, middle panel and lower panel middle part are equipped with
Groove；
In syringe body lower part, syringe body runs through the groove of lower panel and is fixed on lower panel, notes for the syringe needle setting of syringe
Emitter piston is arranged inside syringe body, and syringe piston upper end is arranged in the groove of middle panel；
Control mechanism of pushing pin includes the first cylinder, and the first cylinder includes the first cylinder body and First piston bar, and the setting of the first cylinder body exists
Top panel top, First piston bar run through top panel, and First piston bar one end is arranged inside the first cylinder body, and First piston bar is another
One end is located at middle upper panel；
Connection shaft is disposed below on plate, and connection shaft is parallel with enclosure bottom and vertical with second side, and connection shaft is passed through
Wear second side.
Further, shell uses cold rolled silicon steel material, and the outer surface in each face of shell is provided with plastic-spraying layer.Shell is integrated solid
Determine each component part of device.
Further, syringe fixing piece is in " day " font, further includes the starting stave and the second riser of both sides, middle face
For plate in the U-typed that Open Side Down, the two sides of middle panel are perpendicular along the starting stave of the both sides of syringe fixing piece and second respectively
Plate slides.
Further, plug needle control mechanism includes the second cylinder and connection shaft set；
Second cylinder includes the second cylinder body and second piston bar, and second piston bar one end is arranged inside the second cylinder body, and second lives
The stopper rod other end is provided with the push handle vertical with second piston bar；
The setting of second cylinder body is inside second side and parallel with second side, and connection shaft is set on push handle lower part, connects
Shaft is through connection shaft set.
Further, syringe body rotation controling mechanism includes third cylinder and third air cylinder support plate；
The setting of third air cylinder support plate is on connection shaft set, and third air cylinder support plate is parallel with second side, and third cylinder is set
It sets on third air cylinder support plate；
Third cylinder includes third cylinder body and third piston rod, and third cylinder body is fixed on third air cylinder support plate, third piston
Bar one end is arranged inside third cylinder body, and the third piston rod other end is provided with connecting plate, and crank, crank are provided on connecting plate
It is connected with shaft is connect, and crank is parallel with second side.Controller controls the switch of third relay, lives to control third
Stopper rod moves up and down, and then connecting plate is driven to move up and down, and connecting plate drives crank rotation, crank handle turns to connect shaft rotation,
Syringe fixing piece rotates, and realizes that syringe is converted between vertical state and horizontal sampling state.
Further, it is additionally provided with caging bolt on third air cylinder support plate, is provided on crank and coordinates with caging bolt
Position limiting structure.Caging bolt limits the stroke of crank rotation, to ensure that syringe samples under horizontality.
Further, it includes first guide's coil, first that the first relay, which uses two-position-five-way solenoid valve, the first relay,
The first venthole of relay, first the second venthole of relay and the first relay air admission hole；
First cylinder uses double-acting cylinder, further includes first the first working hole of cylinder and first the second working hole of cylinder；
First guide's coil is connect with controller, and first the first venthole of relay is connect with first the first working hole of cylinder, the
One the second venthole of relay is connect with first the second working hole of cylinder, and the first relay air admission hole is connected with air source；
Second relay uses two-position-five-way solenoid valve, the second relay to go out including second guide's coil, the second relay first
Stomata, second the second venthole of relay and the second relay air admission hole；
Second cylinder uses double-acting cylinder, further includes second the first working hole of cylinder and second the second working hole of cylinder；
Second guide's coil is connect with controller, and second the first venthole of relay is connect with second the first working hole of cylinder, the
Two the second ventholes of relay are connect with second the second working hole of cylinder, and the second relay air admission hole is connect with air source；
It includes that third guide coil, third relay first go out that third relay, which uses two-position-five-way solenoid valve, third relay,
Stomata, the second venthole of third relay and third relay air admission hole；
Third cylinder uses double-acting cylinder, further includes the second working hole of the first working hole of third cylinder and third cylinder；
Third guide's coil is connect with controller, and the first venthole of third relay is connect with the first working hole of third cylinder, the
Three the second ventholes of relay are connect with the second working hole of third cylinder, and third relay air admission hole is connect with air source；
On first relay, the bottom surface of the second relay and the setting of third relay inside the housing.Double-acting cylinder is opened
It acts with pass and is realized by air source driving；There are two working hole, controller controls a working hole and connects two-position-five-way solenoid valve
It connects cylinder realization and starts work, another working hole connects cylinder and realizes pass action, to ensure the rotation of injector assembly module, insert
Pull out precision and the time of needle and action of pushing pin.
Further, air source uses centrifugal air compressor.
Further, shell further includes an inclined-plane, and inclined-plane connection top surface and front, inclined-plane are also connected with first side and second
The angle of side, inclined-plane and bottom surface is less than 90 degree.
Further, control panel is additionally provided on before shell or inclined-plane, be provided on control panel power supply by
Button, operating mode button and work step button, power knob, operating mode button and work step button with control
Device connects；
Operating mode button includes single-step mode button and automatic mode button；
Work step button include first step button, second step button, third step button, the 4th step button, the 5th step button with
And the 6th step button；
Controller is arranged on the control panel；
Power module is arranged on power panel, inside power panel is arranged before shell.
When operation, operating mode is selected by operating mode button, touches injector assembly module without human body, selection is certainly
Dynamic mode button, then device is sampled-prepares sample introduction-contact pin-is pushed pin-and pulls out needle-automatically restPoses six steps；If
It is selection single step operating mode, then needs to select specific operating procedure, carry out the individually operated of above-mentioned six steps.
Further, power module includes switching power supply；Switching power supply realizes the voltage electricity of 12V1A to 5V2A
Circulation is changed.
Further, the first cylinder uses the mini cylinder of model CD12816-20；
Second cylinder uses the twin shaft cylinder of model TN16-60；
Third cylinder uses the mini cylinder of model MAL16-50；
First relay, the second relay and third relay are all made of the two-position five-way electromagnetism of 4V110-06-12V models
Valve.The selection of cylinder and relay model ensures that pin hole sample introduction irrelevance is less than 5 degree, realization contact pin-push pin-pull out needle time it is small
In 1S.
Further, it is provided with yielding rubber between First piston bar and middle panel.Yielding rubber is used for buffering the first gas
The impact force of cylinder avoids the direct active force of cylinder.
The present invention gives following technical solution：
A kind of transformer insulated oil chromatogram analysis experiment sample introduction householder method based on above-mentioned apparatus, includes the following steps：
Step S1. controllers control the working condition of injector assembly module according to the operating mode of selection；
For step S2. when real-time working pattern is single step operating mode, controller controls syringe according to the work step of selection
The working condition of assembly module；
Step S21. enters step S4 when real-time working step is first step；
Step S22. enters step S5 when real-time working step is second step；
Step S23. enters step S6 when real-time working step is third step；
Step S24. enters step S7 when real-time working step is four steps；
Step S25. enters step S8 when real-time working step is five step；
Step S26. enters step S9 when real-time working step is six step；
Step S3. enters step S4 when real-time working pattern is automatic operation mode；
Step S4. controllers send a signal to syringe body rotation controling mechanism, and syringe body rotation controling mechanism drives injection
Device assembly module rotates, and syringe is parallel to bottom surface；
Controller sends a signal to control mechanism of pushing pin, and control mechanism of pushing pin drives syringe piston horizontal movement, syringe complete
At sampling；
Judge real-time working pattern；
When real-time working pattern is single step operating mode, return to step S1；Otherwise, into next step；
Step S5. controllers send a signal to syringe body rotation controling mechanism, and syringe body rotation controling mechanism drives injection
Device assembly module rotates, and syringe prepares sample introduction perpendicular to bottom surface；
Judge real-time working pattern；
When real-time working pattern is single step operating mode, return to step S1；Otherwise, into next step；
Step S6. controllers send a signal to plug needle control mechanism, plug needle control mechanism drive injector assembly module to
Lower movement realizes that syringe needle is inserted into injection port, completes contact pin；
Judge real-time working pattern；
When real-time working pattern is single step operating mode, return to step S1；Otherwise, into next step；
Step S7. controllers send a signal to control mechanism of pushing pin, and control mechanism of pushing pin drives syringe piston to move down, complete
At gas injection；
Judge real-time working pattern；
When real-time working pattern is single step operating mode, return to step S1；Otherwise, into next step；
Step S8. controllers send a signal to plug needle control mechanism, plug needle control mechanism drive injector assembly module to
Upper movement realizes that syringe needle is detached with injection port, and needle is pulled out in completion；
Judge real-time working pattern；
When real-time working pattern is single step operating mode, return to step S1；Otherwise, into next step；
Step S9. controllers send a signal to control mechanism of pushing pin, and control mechanism of pushing pin drives syringe piston to move up, extensive
Multiple reset condition；
Return to step S1.
The beneficial effects of the present invention are：
The present invention makes transformer insulated oil chromatogram analysis sample introduction process become simple orderly, reduces manually-operated time of testing crew
Number, experimental accuracy higher substantially increase the repeated result of chromatography experiment sample introduction；Simultaneously save human cost and
Time success, reduces the damage probability of experiment syringe, reduces material cost.
In addition, design principle of the present invention is reliable, and it is simple in structure, there is very extensive application prospect.
It can be seen that compared with prior art, the present invention with substantive distinguishing features outstanding and significant progress, implement
Advantageous effect be also obvious.
Description of the drawings
Fig. 1 is principle of the invention figure；
Fig. 2 is principle of the invention figure two；
Fig. 3 is the view of second side of the present invention；
Fig. 4 is shell exterior structural schematic diagram of the present invention；
Fig. 5 is schematic diagram of the present invention along connection shaft section；
Fig. 6 is structural schematic diagram of the present invention along connection shaft section；
Fig. 7 is enclosure structural schematic diagram of the present invention；
Fig. 8 is flow chart of the method for the present invention；
Fig. 9 transition diagrams between working state of device；
Wherein, 1- shells；1.1- top surface；1.2- bottom surface；1.3- front；1.4- the back side；1.5- first side；1.6- the second side
Face；1.7- inclined-plane；2- injection ports；3- syringe fixing pieces；3.1- top panel；Panel in 3.2-；3.3- lower panel；3.4- first
Riser；The second risers of 3.5-；4- syringes；5- syringe bodies；6- syringe needles；7- syringe pistons；8- power panels；9- connections turn
Axis；10- controllers；11- power modules；12- relay module；The first relays of 13-；13.1- the first guide coils；13.2-
First the first venthole of relay；13.3- the second ventholes of the first relay；13.4- the first relay air admission holes；14- second
Relay；14.1- the second guide coils；14.2- the first ventholes of the second relay；14.3- the second ventholes of the second relay；
14.4- the second relay air admission holes；15- third relays；15.1- third guide's coils；15.2- thirds the first outlet of relay
Hole；15.3- thirds the second venthole of relay；15.4- third relay air admission holes；The first cylinders of 16-；16.1- the first cylinder bodies；
16.2- First piston bars；16.3- the first working holes of the first cylinder；16.4- the second working holes of the first cylinder；The second cylinders of 17-；
17.1- the second cylinder bodies；17.2- second piston bars；17.3- push handles；17.4- the first working holes of the second cylinder；17.5- the second cylinder
Second working hole；18- connection shaft sets；19- third cylinders；19.1- third cylinder bodies；19.2- third piston rod；19.3- thirds
The first working hole of cylinder；19.4- thirds the second working hole of cylinder；20- third air cylinder support plates；21- connecting plates；22- cranks；
22.1- position limiting structures；23- power knobs；24- single-step mode buttons；25- automatic mode buttons；26- first step buttons；27-
Two step buttons；28- thirds walk button；The 4th step buttons of 29-；The 5th step buttons of 30-；The 6th step buttons of 31-；32- pushes pin control
Mechanism；33- plugs needle control mechanism；34- syringe body rotation controling mechanisms；35- control panels；36- yielding rubbers；37- is limited
Position bolt.
Specific implementation mode：
To enable the purpose of the present invention, feature, advantage more apparent and understandable, it is embodied below in conjunction with the present invention
Attached drawing in example, is clearly and completely described the technical solution in the present invention.
Shown in as shown in Figure 1, Figure 3 and Figure 4, the present invention provides a kind of transformer insulated oil chromatogram analysis experiment sample introduction auxiliary dress
It sets, including shell 1 and injector assembly module；
Injector assembly module is arranged in the outside of shell 1, and is arranged on the top of injection port 2；
Injector assembly module includes syringe fixing piece 3 and syringe 4；
Syringe 4 includes syringe body 5, syringe needle 6 and syringe piston 7；
Control mechanism 32 of pushing pin is provided on syringe piston 7, syringe body 5 is arranged on syringe fixing piece 3, and syringe is solid
Determine to be provided with connection shaft 9 on part 3；
It is vertical with syringe 4 to connect shaft 9, and runs through shell 1；
The setting of 9 one end of shaft is connected in syringe fixing piece 3, the other end is arranged inside shell 1；
Controller 10 is additionally provided with inside shell 1, controller 10 is connected with power module 11 and relay module 12, relay mould
Block 12 is connected with plug needle control mechanism 33 and syringe body rotation controling mechanism 34, relay module 12 also with control machine of pushing pin
Structure 32 and power module 11 connect；
Plug needle control mechanism 33 and syringe body rotation controling mechanism 34 with connect shaft 9 connection；
As shown in Fig. 2, relay module 12 includes the first relay 13, the second relay 14 and third relay 15, controller
10 are separately connected with the first relay 13, the second relay 14 and third relay 15, power module 11 and the first relay 13,
Second relay 14 and third relay 15 are separately connected, and the first relay 13 is connect with control mechanism 32 of pushing pin, the second relay
Device 14 is connect with plug needle control mechanism 33, and third relay 15 is connect with syringe body rotation controling mechanism 34；
Shell 1 includes top surface 1.1, bottom surface 1.2, front 1.3, below 1.4, first side 1.5 and second side 1.6；Shell 1 is adopted
The outer surface of cold rolled silicon steel material, each face of shell is provided with plastic-spraying layer；Shell integrates each component part of fixing device；
Shell 1 further includes an inclined-plane 1.7, and inclined-plane 1.7 connects top surface 1.1 and front 1.3, inclined-plane 1.7 are also connected with first side 1.5
With second side 1.6, inclined-plane 1.7 and the angle of bottom surface 1.6 are less than 90 degree；Shell is additionally provided with control panel on 1 inclined-plane 1.7
35, power knob 23, operating mode button and work step button, power knob 23, work are provided on control panel 35
Mode button and work step button are connect with controller 10；
Operating mode button includes single-step mode button 24 and automatic mode button 25；
Work step button includes first step button 26, second step button 7, third step button 28, the 4th step button 29, the 5th step
Button 30 and the 6th step button 31；
Controller 10 is arranged on control panel 35；
Power module 11 is arranged on power panel 8, and power panel 8 is arranged before the shell 1 inside 1.3；
Injector assembly module is arranged outside second side 1.6；
Power module 11 includes switching power supply；Switching power supply realizes the Voltage to current transducer of 12V1A to 5V2A；
As shown in figure 5, syringe fixing piece 3, including top panel 3.1, middle panel 3.2 and lower panel 3.3, top panel 3.1, middle face
Plate 3.2 and 3.3 middle part of lower panel are all provided with fluted；
In 5 lower part of syringe body, syringe body 5 runs through the groove of lower panel 3.3 and is fixed on following for the setting of syringe needle 6 of syringe
Plate 3.3,7 lower end of syringe piston are arranged inside syringe body 5, and the groove in middle panel 3.2 is arranged in 7 upper end of syringe piston
It is interior；
Control mechanism 32 of pushing pin includes the first cylinder 16, and the first cylinder 16 includes the first cylinder body 16.1 and First piston bar 16.2,
First cylinder body 16.1 is arranged above 3.1 top of plate, and First piston bar 16.2 runs through top panel 3.1, First piston bar 16.2 1
End is arranged inside the first cylinder body 16.1, and 16.2 other end of First piston bar is located at 3.2 top of middle panel；First piston bar 16.2
Yielding rubber 36 is provided between middle panel 3.2；Yielding rubber 36 is used for buffering the impact force of the first cylinder 16, avoids cylinder
Direct active force；
Connection shaft 9 is disposed below on plate 3.3, and connection shaft 9 is parallel with 1 bottom surface 1.2 of shell, and is hung down with second side 1.6
Directly, connection shaft 9 runs through second side 1.6；
Syringe fixing piece 3 is in " day " font, further includes the starting stave 3.4 of both sides and the second riser 3.5, middle panel 3.2 are in
The U-typed that Open Side Down, the two sides of middle panel 3.2 are respectively along the starting stave 3.4 and second of the both sides of syringe fixing piece 3
Riser 3.5 slides；
As shown in Fig. 5, Fig. 6 and Fig. 7, plug needle control mechanism 33 includes the second cylinder 17 and connection shaft set 18；
Second cylinder 17 includes the second cylinder body 17.1 and second piston bar 17.2, and 17.2 one end of second piston bar is arranged in the second cylinder
Inside body 17.1,17.2 other end of second piston bar is provided with the push handle 17.3 vertical with second piston bar 17.2；
The setting of second cylinder body 17.1 is inside second side 1.6 and parallel with second side 1.6, and 18 setting of connection shaft set is pushing away
17.3 lower part of handle, connection shaft 9 is through connection shaft set 18；
Syringe body rotation controling mechanism 34 includes third cylinder 19 and third air cylinder support plate 20；
For the setting of third air cylinder support plate 20 on connection shaft set 18, third air cylinder support plate 20 is parallel with second side 1.6, the
Three cylinders 19 are arranged on third air cylinder support plate 20；
Third cylinder 19 includes third cylinder body 19.1 and third piston rod 19.2, and third cylinder body 19.1 is fixed on third air cylinder support
On plate 20,19.2 one end of third piston rod is arranged inside third cylinder body 19.1, and 19.2 other end of third piston rod is provided with company
Fishplate bar 21 is provided with crank 22 on connecting plate 21, and crank 22 is connected with shaft 9 is connect, and crank 22 and second side 1.6 are flat
Row；Controller 10 controls the switch of third relay, moves up and down to control third piston rod 19.2, and then drive connecting plate
21 move up and down, and connecting plate 21 drives crank 22 to rotate, and crank 22 drives connection shaft 9 to rotate, and syringe fixing piece 3 rotates,
Realize that syringe 4 is converted between vertical state and horizontal sampling state；
It is additionally provided with caging bolt 37 on third air cylinder support plate 20, the limit coordinated with caging bolt 37 is provided on crank 22
Structure 22.1；Caging bolt 37 limits the stroke that crank 22 rotates, to ensure that syringe 4 samples under horizontality；
As shown in fig. 6, it includes first guide's coil that the first relay 13, which uses two-position-five-way solenoid valve, the first relay 13,
13.1, first relay the first venthole 13.2, first relay the second venthole 13.3 and the first relay air admission hole 13.4；
First cylinder 16 uses double-acting cylinder, further includes first cylinder the first working hole 16.3 and first the second working hole of cylinder
16.4；First guide's coil 13.1 is connect with controller 10, first relay the first venthole 13.2 and first the first work of cylinder
Make the connection of hole 16.3, first the second venthole of relay 13.3 is connect with first the second working hole of cylinder 16.4, the first relay
Air admission hole 13.4 is connected with air source；
It includes second guide's coil 14.1, the second relay that second relay 14, which uses two-position-five-way solenoid valve, the second relay 14,
Device the first venthole 14.2, second relay the second venthole 14.3 and the second relay air admission hole 14.4；
Second cylinder 17 uses double-acting cylinder, further includes second cylinder the first working hole 17.4 and second the second working hole of cylinder
17.5；
Second guide's coil 14.1 is connect with controller 10, and second relay the first venthole 14.2 and the second cylinder first work
Hole 17.4 connects, and second the second venthole of relay 14.3 connect with second the second working hole of cylinder 17.5, the second relay into
Stomata 14.4 is connect with air source；
It includes third guide coil 15.1, third relay that third relay 15, which uses two-position-five-way solenoid valve, third relay 15,
The first venthole of device 15.2, the second venthole of third relay 15.3 and third relay air admission hole 15.4；
Third cylinder 19 uses double-acting cylinder, further includes the second working hole of the first working hole of third cylinder 19.3 and third cylinder
19.4；
Third guide coil 15.1 is connect with controller 10, and the first venthole of third relay 15.2 works with third cylinder first
Hole 19.3 connects, and the second venthole of third relay 15.3 connect with the second working hole of third cylinder 19.4, third relay into
Stomata 15.4 is connect with air source；
First relay 13, the second relay 14 and third relay 15 are arranged on the bottom surface 1.2 inside shell 1；
The on and off action of double-acting cylinder is realized by air source driving；There are two working hole, controls for two-position-five-way solenoid valve
Device controls a working hole connection cylinder realization and starts work, another working hole connects cylinder and realizes pass action, to ensure to note
The rotation of emitter assemblies module, precision and the time for plugging needle and action of pushing pin；
First relay 13, the second relay 14 and third relay 15 are all made of the two-position five-way of 4V110-06-12V models
Solenoid valve；First cylinder 16 uses the mini cylinder of model CD12816-20；Second cylinder 17 is using model TN16-60's
Twin shaft cylinder；Third cylinder 19 uses the mini cylinder of model MAL16-50；The selection of cylinder and relay model ensures needle
Hole sample introduction irrelevance is less than 5 degree, realize contact pin-push pin-pull out needle time less than 1S；
Air source uses centrifugal air compressor.
As shown in figure 8, the present invention also provides a kind of device-based transformer insulated oil chromatogram analysis experiment sample introduction auxiliary
Method includes the following steps：
Step S1. controllers control the working condition of injector assembly module according to the operating mode of selection；
For step S2. when real-time working pattern is single step operating mode, controller controls syringe according to the work step of selection
The working condition of assembly module；
Step S21. enters step S4 when real-time working step is first step；
Step S22. enters step S5 when real-time working step is second step；
Step S23. enters step S6 when real-time working step is third step；
Step S24. enters step S7 when real-time working step is four steps；
Step S25. enters step S8 when real-time working step is five step；
Step S26. enters step S9 when real-time working step is six step；
Step S3. enters step S4 when real-time working pattern is automatic operation mode；
Step S4. controllers send a signal to syringe body rotation controling mechanism, and syringe body rotation controling mechanism drives injection
Device assembly module rotates, and syringe is parallel to bottom surface；
Controller sends a signal to control mechanism of pushing pin, and control mechanism of pushing pin drives syringe piston horizontal movement, syringe complete
At sampling；
Judge real-time working pattern；
When real-time working pattern is single step operating mode, return to step S1；Otherwise, into next step；
Step S5. controllers send a signal to syringe body rotation controling mechanism, and syringe body rotation controling mechanism drives injection
Device assembly module rotates, and syringe prepares sample introduction perpendicular to bottom surface；
Judge real-time working pattern；
When real-time working pattern is single step operating mode, return to step S1；Otherwise, into next step；
Step S6. controllers send a signal to plug needle control mechanism, plug needle control mechanism drive injector assembly module to
Lower movement realizes that syringe needle is inserted into injection port, completes contact pin；
Judge real-time working pattern；
When real-time working pattern is single step operating mode, return to step S1；Otherwise, into next step；
Step S7. controllers send a signal to control mechanism of pushing pin, and control mechanism of pushing pin drives syringe piston to move down, complete
At gas injection；
Judge real-time working pattern；
When real-time working pattern is single step operating mode, return to step S1；Otherwise, into next step；
Step S8. controllers send a signal to plug needle control mechanism, plug needle control mechanism drive injector assembly module to
Upper movement realizes that syringe needle is detached with injection port, and needle is pulled out in completion；
Judge real-time working pattern；
When real-time working pattern is single step operating mode, return to step S1；Otherwise, into next step；
Step S9. controllers send a signal to control mechanism of pushing pin, and control mechanism of pushing pin drives syringe piston to move up, extensive
Multiple reset condition；
Return to step S1.
When operation, operating mode is selected by operating mode button, touches injector assembly module without human body, selection is certainly
Dynamic mode button, then device carry out sampling as shown in Figure 9-preparation sample introduction-contact pin-is pushed pin-automatically and pull out needle-and restPose
Six steps；If selecting single step operating mode, then needs to select specific operating procedure, carry out the independent behaviour of above-mentioned six steps
Make.
《Directive/guide is analyzed and judged to GB/T 7252-2001 Gases Dissolved in Transformer Oil》In, in order to prevent gas leakage, prevent
Sample distortion prevents operating condition from changing, and requires testing crew that syringe is inserted perpendicularly into injection port in sample introduction, push pin,
Needle is taken to be completed in 1s, precision and time requirement can be achieved in the present invention, avoids human error.
The embodiment of the present invention is illustrative and not restrictive, and above-described embodiment is only to aid in the understanding present invention, because
The present invention is not limited to the embodiments described in specific implementation mode for this, every by those skilled in the art's technique according to the invention
Other specific implementation modes that scheme obtains, also belong to the scope of protection of the invention.
Claims (10)
1. a kind of transformer insulated oil chromatogram analysis tests sample introduction auxiliary device, which is characterized in that including shell（1）And syringe
Assembly module；
Injector assembly module is arranged in shell（1）Outside, and be arranged in injection port（2）Top；
Injector assembly module includes syringe fixing piece（3）And syringe（4）；
Syringe（4）Including syringe body（5）, syringe needle（6）And syringe piston（7）；
Syringe piston（7）On be provided with control mechanism of pushing pin（32）, syringe body（5）It is arranged in syringe fixing piece（3）On,
Syringe fixing piece（3）On be provided with connection shaft（9）；
Connect shaft（9）With syringe（4）Vertically, and run through shell（1）；
Connect shaft（9）One end is arranged in syringe fixing piece（3）, other end setting is in shell（1）It is internal；
Shell（1）Inside is additionally provided with controller（10）, controller（10）It is connected with power module（11）And relay module
（12）, relay module（12）It is connected with plug needle control mechanism（33）With syringe body rotation controling mechanism（34）, relay
Module（12）Also with control mechanism of pushing pin（32）And power module（11）Connection；
Plug needle control mechanism（33）With syringe body rotation controling mechanism（34）With connect shaft（9）Connection.
2. a kind of transformer insulated oil chromatogram analysis as described in claim 1 tests sample introduction auxiliary device, which is characterized in that after
Electrical appliance module（12）Including the first relay（13）, the second relay（14）With third relay（15）, controller（10）With
One relay（13）, the second relay（14）With third relay（15）It is separately connected, power module（11）With the first relay
（13）, the second relay（14）With third relay（15）It is separately connected, the first relay（13）With control mechanism of pushing pin（32）
Connection, the second relay（14）With plug needle control mechanism（33）Connection, third relay（15）It rotates and controls with syringe body
Mechanism（34）Connection.
3. a kind of transformer insulated oil chromatogram analysis as claimed in claim 2 tests sample introduction auxiliary device, which is characterized in that outer
Shell（1）Including top surface（1.1）, bottom surface（1.2）, front（1.3）, below（1.4）, first side（1.5）And second side
（1.6）；
Injector assembly module is arranged in second side（1.6）It is external；
Syringe fixing piece（3）, including top panel（3.1）, middle panel（3.2）And lower panel（3.3）, top panel（3.1）, middle face
Plate（3.2）And lower panel（3.3）Middle part is all provided with fluted；
The syringe needle of syringe（6）It is arranged in syringe body（5）Lower part, syringe body（5）Through lower panel（3.3）Groove and solid
It is scheduled on lower panel（3.3）, syringe piston（7）Lower end is arranged in syringe body（5）Inside, syringe piston（7）Upper end is arranged
In middle panel（3.2）Groove in；
It pushes pin control mechanism（32）Including the first cylinder（16）, the first cylinder（16）Including the first cylinder body（16.1）And first piston
Bar（16.2）, the first cylinder body（16.1）It is arranged above plate（3.1）Top, First piston bar（16.2）Through top panel（3.1）,
First piston bar（16.2）One end is arranged in the first cylinder body（16.1）Inside, First piston bar（16.2）The other end is located at middle panel
（3.2）Top；
Connect shaft（9）It is disposed below plate（3.3）On, connect shaft（9）With shell（1）Bottom surface（1.2）It is parallel, and with second
Side（1.6）Vertically, shaft is connected（9）Through second side（1.6）.
4. a kind of transformer insulated oil chromatogram analysis as claimed in claim 3 tests sample introduction auxiliary device, which is characterized in that insert
Pull out needle control mechanism（33）Including the second cylinder（17）With connection shaft set（18）；
Second cylinder（17）Including the second cylinder body（17.1）And second piston bar（17.2）, second piston bar（17.2）One end is arranged
In the second cylinder body（17.1）Inside, second piston bar（17.2）The other end is provided with and second piston bar（17.2）Vertical push handle
（17.3）；
Second cylinder body（17.1）It is arranged in second side（1.6）Internal and and second side（1.6）It is parallel, connect shaft set（18）
It is arranged in push handle（17.3）Lower part connects shaft（9）Through connection shaft set（18）.
5. a kind of transformer insulated oil chromatogram analysis as claimed in claim 4 tests sample introduction auxiliary device, which is characterized in that note
Emitter body rotation controling mechanism（34）Including third cylinder（19）With third air cylinder support plate（20）；
Third air cylinder support plate（20）Setting is in connection shaft set（18）On, third air cylinder support plate（20）With second side
（1.6）It is parallel, third cylinder（19）It is arranged in third air cylinder support plate（20）On；
Third cylinder（19）Including third cylinder body（19.1）With third piston rod（19.2）, third cylinder body（19.1）It is fixed on third
Air cylinder support plate（20）On, third piston rod（19.2）One end is arranged in third cylinder body（19.1）Inside, third piston rod
（19.2）The other end is provided with connecting plate（21）, connecting plate（21）On be provided with crank（22）, crank（22）With connect shaft（9）
Connection, and crank（22）With second side（1.6）It is parallel.
6. a kind of transformer insulated oil chromatogram analysis as claimed in claim 5 tests sample introduction auxiliary device, which is characterized in that the
Three air cylinder support plates（20）On be additionally provided with caging bolt（37）, crank（22）On be provided with and caging bolt（37）The limit of cooperation
Bit architecture（22.1）.
7. a kind of transformer insulated oil chromatogram analysis as claimed in claim 5 tests sample introduction auxiliary device, which is characterized in that the
One relay（13）Using two-position-five-way solenoid valve, the first relay（13）Including first guide's coil（13.1）, the first relay
The first venthole of device（13.2）, first the second venthole of relay（13.3）With the first relay air admission hole（13.4）；
First cylinder（16）Further include first the first working hole of cylinder using double-acting cylinder（16.3）With first the second work of cylinder
Make hole（16.4）；
First guide's coil（13.1）With controller（10）Connection, first the first venthole of relay（13.2）With the first cylinder
One working hole（16.3）Connection, first the second venthole of relay（13.3）With first the second working hole of cylinder（16.4）Connection,
First relay air admission hole（13.4）It is connected with air source；
Second relay（14）Using two-position-five-way solenoid valve, the second relay（14）Including second guide's coil（14.1）,
Two the first ventholes of relay（14.2）, second the second venthole of relay（14.3）With the second relay air admission hole（14.4）；
Second cylinder（17）Further include second the first working hole of cylinder using double-acting cylinder（17.4）With second the second work of cylinder
Make hole（17.5）；
Second guide's coil（14.1）With controller（10）Connection, second the first venthole of relay（14.2）With the second cylinder
One working hole（17.4）Connection, second the second venthole of relay（14.3）With second the second working hole of cylinder（17.5）Connection,
Second relay air admission hole（14.4）It is connect with air source；
Third relay（15）Using two-position-five-way solenoid valve, third relay（15）Including third guide's coil（15.1）,
Three the first ventholes of relay（15.2）, the second venthole of third relay（15.3）With third relay air admission hole（15.4）；
Third cylinder（19）Further include the first working hole of third cylinder using double-acting cylinder（19.3）With the second work of third cylinder
Make hole（19.4）；
Third guide's coil（15.1）With controller（10）Connection, the first venthole of third relay（15.2）With third cylinder
One working hole（19.3）Connection, the second venthole of third relay（15.3）With the second working hole of third cylinder（19.4）Connection,
Third relay air admission hole（15.4）It is connect with air source；
First relay（13）, the second relay（14）And third relay（15）It is arranged in shell（1）Internal bottom surface
（1.2）On.
8. a kind of transformer insulated oil chromatogram analysis as claimed in claim 3 tests sample introduction auxiliary device, which is characterized in that outer
Shell（1）It further include an inclined-plane（1.7）, inclined-plane（1.7）Connect top surface（1.1）The front and（1.3）, inclined-plane（1.7）It is also connected with first
Side（1.5）And second side（1.6）, inclined-plane（1.7）With bottom surface（1.6）Angle be less than 90 degree；
Shell（1）Before（1.3）Or inclined-plane（1.7）On be additionally provided with control panel（35）, control panel（35）Upper setting
There is power knob（23）, operating mode button and work step button, power knob（23）, operating mode button and work
Step button is and controller（10）Connection；
Operating mode button includes single-step mode button（24）With automatic mode button（25）；
Work step button includes first step button（26）, second step button（7）, third walk button（28）, the 4th step button
（29）, the 5th step button（30）And the 6th step button（31）；
Controller（10）It is arranged in control panel（35）On；
Power module（11）It is arranged in power panel（8）On, power panel（8）It is arranged in shell（1）Before（1.3）It is internal.
9. a kind of transformer insulated oil chromatogram analysis as claimed in claim 8 tests sample introduction auxiliary device, which is characterized in that the
One cylinder（16）Using the mini cylinder of model CD12816-20；
Second cylinder（17）Using the twin shaft cylinder of model TN16-60；
Third cylinder（19）Using the mini cylinder of model MAL16-50；
First relay（13）, the second relay（14）And third relay（15）It is all made of the two of 4V110-06-12V models
Position five-way electromagnetic valve.
10. a kind of transformer insulated oil chromatogram analysis based on the claims 1-9 tests sample introduction householder method, feature exists
In including the following steps：
Step S1. controllers control the working condition of injector assembly module according to the operating mode of selection；
For step S2. when real-time working pattern is single step operating mode, controller controls syringe according to the work step of selection
The working condition of assembly module；
Step S21. enters step S4 when real-time working step is first step；
Step S22. enters step S5 when real-time working step is second step；
Step S23. enters step S6 when real-time working step is third step；
Step S24. enters step S7 when real-time working step is four steps；
Step S25. enters step S8 when real-time working step is five step；
Step S26. enters step S9 when real-time working step is six step；
Step S3. enters step S4 when real-time working pattern is automatic operation mode；
Step S4. controllers send a signal to syringe body rotation controling mechanism, and syringe body rotation controling mechanism drives injection
Device assembly module rotates, and syringe is parallel to bottom surface；
Controller sends a signal to control mechanism of pushing pin, and control mechanism of pushing pin drives syringe piston horizontal movement, syringe complete
At sampling；
Judge real-time working pattern；
When real-time working pattern is single step operating mode, return to step S1；Otherwise, into next step；
Step S5. controllers send a signal to syringe body rotation controling mechanism, and syringe body rotation controling mechanism drives injection
Device assembly module rotates, and syringe prepares sample introduction perpendicular to bottom surface；
Judge real-time working pattern；
When real-time working pattern is single step operating mode, return to step S1；Otherwise, into next step；
Step S6. controllers send a signal to plug needle control mechanism, plug needle control mechanism drive injector assembly module to
Lower movement realizes that syringe needle is inserted into injection port, completes contact pin；
Judge real-time working pattern；
When real-time working pattern is single step operating mode, return to step S1；Otherwise, into next step；
Step S7. controllers send a signal to control mechanism of pushing pin, and control mechanism of pushing pin drives syringe piston to move down, complete
At gas injection；
Judge real-time working pattern；
When real-time working pattern is single step operating mode, return to step S1；Otherwise, into next step；
Step S8. controllers send a signal to plug needle control mechanism, plug needle control mechanism drive injector assembly module to
Upper movement realizes that syringe needle is detached with injection port, and needle is pulled out in completion；
Judge real-time working pattern；
When real-time working pattern is single step operating mode, return to step S1；Otherwise, into next step；
Step S9. controllers send a signal to control mechanism of pushing pin, and control mechanism of pushing pin drives syringe piston to move up, extensive
Multiple reset condition；
Return to step S1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810475257.0A CN108614062A (en) | 2018-05-17 | 2018-05-17 | A kind of transformer insulated oil chromatogram analysis experiment sample introduction auxiliary device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810475257.0A CN108614062A (en) | 2018-05-17 | 2018-05-17 | A kind of transformer insulated oil chromatogram analysis experiment sample introduction auxiliary device and method |
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| Publication Number | Publication Date |
|---|---|
| CN108614062A true CN108614062A (en) | 2018-10-02 |
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ID=63663316
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|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111257480A (en) * | 2019-12-24 | 2020-06-09 | 国网山东省电力公司聊城供电公司 | Auxiliary gas injection device for oil chromatography test |
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2018
- 2018-05-17 CN CN201810475257.0A patent/CN108614062A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111257480A (en) * | 2019-12-24 | 2020-06-09 | 国网山东省电力公司聊城供电公司 | Auxiliary gas injection device for oil chromatography test |
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