CN207280805U - A kind of transformer oil automatic sampling device - Google Patents
A kind of transformer oil automatic sampling device Download PDFInfo
- Publication number
- CN207280805U CN207280805U CN201721233373.9U CN201721233373U CN207280805U CN 207280805 U CN207280805 U CN 207280805U CN 201721233373 U CN201721233373 U CN 201721233373U CN 207280805 U CN207280805 U CN 207280805U
- Authority
- CN
- China
- Prior art keywords
- threaded rod
- transformer oil
- sampling device
- automatic sampling
- syringe
- 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.)
- Active
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model belongs to transformer oil detection technique field, particularly a kind of transformer oil automatic sampling device, including syringe, syringe is placed on rack, rack side is equipped with control mechanism, control mechanism is fixedly connected with rack, control mechanism passes through driving stepper motor threaded rod, threaded rod is placed in rack, threaded rod is equipped with moving stop, threaded rod is flexibly connected by nut with moving stop, and moving stop connects the piston of syringe by fixed link, and threaded rod drives moving stop to carry out stretching motion to the piston of syringe by nut.Sampling efficiency is improved, the distortion rate of oil sample is reduced, indirectly saves manpower and materials, the collimation error causes the generation of sampling amount inaccuracy when avoiding sampling, while solves the problems, such as that attempting crouching appearance causes leg numb, optimizes ergonomic.
Description
Technical field
The utility model belongs to transformer oil detection technique field, particularly a kind of transformer oil automatic sampling device.
Background technology
Overheat that may be present inside oil-filled electric equipment may determine that by test transformer Oil Dissolved Gases Concentration
Property and discharge fault, can monitor development trend, the order of severity and operation conditions of inside electric appliance Hidden fault etc..By
All it is to do measurement unit with hundred a ten thousandths (ppm) in the content of various gases in the oil, therefore to the experiment for test
There is very high requirement with oil sample quality and its representativeness, therefore draw oil sample as one of electric power specialty chemical commonly but extremely
One of important work.It is one of electric power specialty chemical groundwork to draw oil sample to oil-filled electric equipment, is tried in specialty chemical oil
There is foundation stone status in testing.In our practical work, due to weather, the position of sample tap, surrounding enviroment, also operation are lost
By mistake, the factor such as contaminated all can be that this simple work becomes remarkable in transport.Precision, vacuum, the clarity of oil sample
The operating condition whether our oil test result truly reflect equipment is directly related to etc. factor.
Daily sampling is sampled by pressure differential, and source is that the height of main transformer body fuel tank is higher than sample position, is gone out
It is located in the relation of flowing outside by height in liquid, positive pressure method is used in sampling process, is exactly pushed away using the pressure of main transformer body oil
Dynamic piston, makes oil enter syringe.
The main process flow steps of work of drawing oil sample at this stage are：Arrange equipment Residual oil, rinse sampling container, sampling, exhaust bubble
Four aspects.Oil sample amount read untrue, causes test result bigger than normal or less than normal, is repeatedly vented manually, causes gas, water
Divide and dissolve in oil sample, make oil sample distortion.Long-time crouching appearance draws oil sample manually, and leg is numb, and dizziness is easily caused when standing up.
Utility model content
The utility model solves above-mentioned at least one technological deficiency to determine, there is provided a kind of transformer oil automatic sampling dress
Put, improve sampling efficiency, reduce the distortion rate of oil sample, indirectly save manpower and materials, vision is missed when avoiding sampling
Difference causes the generation of sampling amount inaccuracy, while solves the problems, such as that attempting crouching appearance causes leg numb, optimizes ergonomic.
Technical solution provided by the utility model is：A kind of transformer oil automatic sampling device, including syringe, note
Emitter is placed on rack, and rack side is equipped with control mechanism, and control mechanism is fixedly connected with rack, and control mechanism passes through
Driving stepper motor threaded rod, threaded rod are placed in rack, and threaded rod is equipped with moving stop, and threaded rod is by nut with moving
Dynamic baffle is flexibly connected, and moving stop connects the piston of syringe by fixed link, and threaded rod drives moving stop by nut
Stretching motion is carried out to the piston of syringe.
Using control mechanism by driving stepper motor threaded rod, stepper motor drives spiral shell under the action of each pulse
Rasp bar rotates a step pitch, and threaded rod drives moving stop to move a distance by nut, and moving stop passes through fixed link pair
The piston of syringe carries out stretching motion, so as to achieve the purpose that automatic sampling.Realized using control mechanism control stepper motor
Automatic sampling, improves sampling efficiency, reduces the distortion rate of oil sample, indirectly saves manpower and materials, when avoiding sampling
The collimation error causes the generation of sampling amount inaccuracy, while solves the problems, such as that attempting crouching appearance causes leg numb, optimizes people
Machine work efficiency.
Further, rack is equipped with preceding support stent, card slot, back brace stent, wherein preceding support stent, card slot, back brace stent lead to
Cross supporting rod connection composition rack.Rack accepts syringe, makes it firm；Preceding support stent bears the needle section of syringe,
Its clamping is set not shift；Card slot accepts the stack shell of syringe, further clamping；Back brace stent prevents human hand false touch stepper motor,
Influence the accuracy of sampling.Preceding support stent, U-shaped card slot, back brace stent are connected by supporting rod, and further rack is added
Gu stablize sampling to carry out.
Further, card slot is U-shaped card slot, and U-shaped card slot accepts the stack shell of syringe, and progress clamping mutually chimeric with it.
Further, preceding support branch is provided with U-type groove, in order to which preferably clamping syringe, preceding support branch are provided with U-type groove and injection
The sample tap of device is mutually fitted together to and carries out clamping.
Further, before threaded rod is placed between support stent and back brace stent, and card slot is passed through, the progress of convenient sampling, spiral shell
Rasp bar is placed in the lower section of syringe, and when moving stop is moved under the promotion of stepper motor, foot is provided for moving stop
Enough displacement distances.
Further, control mechanism is equipped with metal shell, and metal shell is equipped with handle.Metal shell is in protection control mechanism
The electronic unit in portion, and prevent human hand from touching the progress for influencing sampling by mistake, it is to use to be somebody's turn to do in order to facilitate staff equipped with handle
It is easy to carry during device.
Further, metal shell side is equipped with injection port and outlet.The sample tap of injection port and transformer passes through conduit
Connection, the device is introduced by transformer oil；Outlet is that the waste oil after the device blowdown and flushing is discharged.
Further, triple valve is equipped with metal shell, triple valve is connected with injection port and outlet respectively.Injection port is introduced
Transformer oil realizes the dress to triple valve, control mechanism by controlling solenoid valve to carry out the function control of Push And Release to triple valve
A variety of difference in functionality such as the blowdown put, flushing, sampling, wherein being arranged by blowdown and the abandoned oil rinsed by triple valve through outlet
Go out.
Further, control mechanism is equipped with control panel, microcontroller, solenoid valve, and control panel is arranged on metal shell surface, single
The mechanical, electrical magnet valve of piece is placed in metal shell.It is interference-free using metal shell protection microcontroller, solenoid valve etc.；Control panel is set
In metal shell surface, staff is facilitated to be sampled operation and input service order.
Further, control panel, microcontroller, solenoid valve are electrically connected.Automatic sampling is carried out by the way of electrical connection, quickly
Efficiently.
The beneficial effects of the utility model are：
（1）Drive threaded rod to realize automatic sampling using control mechanism control stepper motor, improve sampling efficiency, reduce
The distortion rate of oil sample, indirectly saves manpower and materials, the collimation error causes the hair of sampling amount inaccuracy when avoiding sampling
It is raw, while solve the problems, such as that attempting crouching appearance causes leg numb, optimizes ergonomic.
（2）Control mechanism realizes the row of the device by controlling the function control that solenoid valve is opened triple valve and closed
A variety of difference in functionality such as dirty, flushing, sampling.
（3）Metal shell effectively prevents human hand from touching the device by mistake and influencing the progress of sampling work, easy to operation equipped with handle
Personnel carry.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model.
Fig. 2 is the process for using figure of the utility model.
Wherein, T1, T2, T3 in Fig. 2 represent solenoid valve.
Embodiment
Attached drawing is only for illustration, it is impossible to is interpreted as the limitation to this patent；It is attached in order to more preferably illustrate the present embodiment
Scheme some components to have omission, zoom in or out, do not represent the size of actual product；To those skilled in the art,
Some known features and its explanation may be omitted and will be understood by attached drawing.Being given for example only property of position relationship described in attached drawing
Explanation, it is impossible to be interpreted as the limitation to this patent.
Embodiment 1：
As shown in Figure 1, a kind of transformer oil automatic sampling device, including syringe 1, syringe 1 is placed in rack
On, rack side is equipped with control mechanism 2, and control mechanism 2 is fixedly connected with rack, and control mechanism 2 is driven by stepper motor 3
Dynamic threaded rod 4, threaded rod 4 are placed in rack, and threaded rod 4 is equipped with moving stop 5, and threaded rod 4 is kept off by nut with mobile
Plate 5 is flexibly connected, and moving stop 5 connects the piston 11 of syringe 1 by fixed link 6, and threaded rod 4 drives mobile gear by nut
Plate 5 carries out stretching motion to the piston 11 of syringe 1.
Threaded rod 4 is driven by stepper motor 3 using control mechanism 2, stepper motor 3 is under the action of each pulse, band
Dynamic threaded rod 4 rotates a step pitch, and threaded rod 4 drives moving stop 5 to move a distance by nut, and moving stop 5 passes through
Fixed link 6 carries out stretching motion to the piston 11 of syringe 1, so as to achieve the purpose that automatic sampling.Controlled using control mechanism 2
Stepper motor 3 realizes automatic sampling, improves sampling efficiency, reduces the distortion rate of oil sample, indirectly saves manpower and materials,
The collimation error causes the generation of sampling amount inaccuracy when avoiding sampling, while solving trial crouching appearance causes leg is numb to ask
Topic, optimizes ergonomic.
Wherein, rack is equipped with preceding support stent 7, U-shaped card slot 8, back brace stent 9, wherein preceding support stent 7, card slot 8, back brace
Stent 9 connects composition rack by supporting rod 10.Rack accepts syringe 1, makes it firm；Preceding support stent 7 bears injection
The needle section of device 1, preceding support stent 7 are equipped with U-type groove progress clamping mutually chimeric with the needle section of syringe 1, it is not shifted；It is U-shaped
Card slot 8 accept syringe 1 stack shell, further clamping；Back brace stent 9 prevents human hand false touch stepper motor 3, influences sampling
Accuracy.Preceding support stent 7, U-shaped card slot 8, back brace stent 9 are connected by supporting rod 10, and further rack is reinforced,
Stablize sampling to carry out.
Wherein, control mechanism 2 is equipped with metal shell, control panel 24, microcontroller, solenoid valve, and control panel 24 is arranged on gold
Belong to case surface, microcontroller, solenoid valve are placed in metal shell.Control panel 24, microcontroller, solenoid valve are electrically connected.Utilize gold
It is interference-free to belong to shell protection microcontroller, solenoid valve etc., and prevents human hand from touching the progress for influencing the device sampling work, side by mistake
Just staff is sampled operation and input service order.
Metal shell is additionally provided with handle 21, equipped with handle 21 be for convenience staff using during the device easy to taking
Band；Metal shell side is equipped with injection port 22 and outlet 23, is equipped with triple valve in metal shell, triple valve respectively with injection port
22 and outlet 23 connect.Injection port 22 is connected with the sample tap of transformer by conduit, and injection port 22 is introduced transformer oil and arrived
Triple valve, control mechanism 2 by control solenoid valve to triple valve carry out Push And Release function control, realize the device blowdown,
A variety of difference in functionality such as flushing, sampling, wherein being discharged by blowdown and the abandoned oil rinsed by triple valve through outlet 23.
Embodiment 2：
As shown in Fig. 2, the present embodiment is similar to Example 1, institute's difference is that the present embodiment shows the one of the device
Kind process for using：Transformer is connected by conduit with the injection port 22 of the device, selects to be sampled on control panel 2
Amount and sample rate, turn on the power switch, microcontroller by control solenoid valve to three-way pipe carry out Push And Release, arranged successively
Dirty, flushing and sampling.Wherein, discharged by blowdown and the abandoned oil rinsed by triple valve through outlet 23；The transformer of sampling
Oil is transported to the syringe needle of syringe 1 by triple valve by conduit, and control mechanism 2 drives threaded rod 4, stepping by stepper motor 3
Motor 3 drives threaded rod 4 to rotate a step pitch under the action of each pulse, and threaded rod 4 drives moving stop 5 by nut
Mobile a distance, moving stop 5 carries out extensional motion by fixed link 6 to the piston 11 of syringe 1, the cylinder of syringe 1
Internal pressure is reduced, and using pressure differential, transformer oil is drawn in cylinder at syringe needle and completes sampling.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
It is exhaustive.All any modification, equivalent and improvement made where within the spirit and principles of the present invention etc., should be included in
Within the protection domain of the utility model claims.
Claims (10)
1. a kind of transformer oil automatic sampling device, it is characterised in that including syringe（1）, the syringe（1）It is placed in placement
On frame, the rack side is equipped with control mechanism（2）, the control mechanism（2）It is fixedly connected with rack, the control machine
Structure（2）Pass through stepper motor（3）Drive threaded rod（4）, the threaded rod（4）It is placed in rack, the threaded rod（4）On set
There is moving stop（5）, the threaded rod（4）Pass through nut and moving stop（5）It is flexibly connected, the moving stop（5）Pass through
Fixed link（6）Connect syringe（1）Piston（11）, the threaded rod（4）Moving stop is driven by nut（5）To syringe
（1）Piston（11）Carry out stretching motion.
2. a kind of transformer oil automatic sampling device according to claim 1, it is characterised in that before the rack is equipped with
Support stent（7）, card slot（8）, back brace stent（9）, stent is supportted before described（7）, card slot（8）, back brace stent（9）Pass through supporting rod
（10）Connection composition rack.
A kind of 3. transformer oil automatic sampling device according to claim 2, it is characterised in that the card slot（8）It is U-shaped
Card slot.
A kind of 4. transformer oil automatic sampling device according to claim 2, it is characterised in that support stent before described（7）
Equipped with U-type groove.
A kind of 5. transformer oil automatic sampling device according to claim 2, it is characterised in that the threaded rod（4）Put
In preceding support stent（7）With back brace stent（9）Between, and pass through card slot（8）.
A kind of 6. transformer oil automatic sampling device according to claim 1, it is characterised in that the control mechanism（2）
Equipped with metal shell, the metal shell is equipped with handle（21）.
A kind of 7. transformer oil automatic sampling device according to claim 6, it is characterised in that the metal shell side
Equipped with injection port（22）And outlet（23）.
8. a kind of transformer oil automatic sampling device according to claim 7, it is characterised in that set in the metal shell
Have a triple valve, the triple valve respectively with injection port（22）And outlet（23）Connection.
A kind of 9. transformer oil automatic sampling device according to claim 6, it is characterised in that the control mechanism（2）
Equipped with control panel（24）, microcontroller, solenoid valve, the control panel（24）Arranged on metal shell surface, the monolithic is mechanical, electrical
Magnet valve is placed in metal shell.
A kind of 10. transformer oil automatic sampling device according to claim 9, it is characterised in that the control panel
（24）, microcontroller, solenoid valve be electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721233373.9U CN207280805U (en) | 2017-09-25 | 2017-09-25 | A kind of transformer oil automatic sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721233373.9U CN207280805U (en) | 2017-09-25 | 2017-09-25 | A kind of transformer oil automatic sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207280805U true CN207280805U (en) | 2018-04-27 |
Family
ID=61982888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721233373.9U Active CN207280805U (en) | 2017-09-25 | 2017-09-25 | A kind of transformer oil automatic sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207280805U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975070A (en) * | 2019-03-06 | 2019-07-05 | 国网浙江桐庐县供电有限公司 | Vertical current transformer draws oil sample auxiliary device |
| CN112305137A (en) * | 2020-09-28 | 2021-02-02 | 国网浙江省电力有限公司嘉兴供电公司 | Oil transferring auxiliary device for full-automatic gas chromatograph sample injection injector |
| CN115014868A (en) * | 2022-05-06 | 2022-09-06 | 国网江苏省电力有限公司电力科学研究院 | Single-port oil taking system and method for online monitoring of transformer oil |
-
2017
- 2017-09-25 CN CN201721233373.9U patent/CN207280805U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109975070A (en) * | 2019-03-06 | 2019-07-05 | 国网浙江桐庐县供电有限公司 | Vertical current transformer draws oil sample auxiliary device |
| CN109975070B (en) * | 2019-03-06 | 2024-02-06 | 国网浙江桐庐县供电有限公司 | Oil sampling auxiliary device of vertical current transformer |
| CN112305137A (en) * | 2020-09-28 | 2021-02-02 | 国网浙江省电力有限公司嘉兴供电公司 | Oil transferring auxiliary device for full-automatic gas chromatograph sample injection injector |
| CN112305137B (en) * | 2020-09-28 | 2022-10-11 | 国网浙江省电力有限公司嘉兴供电公司 | Oil transfer auxiliary device for full-automatic gas chromatograph sampling injector |
| CN115014868A (en) * | 2022-05-06 | 2022-09-06 | 国网江苏省电力有限公司电力科学研究院 | Single-port oil taking system and method for online monitoring of transformer oil |
| CN115014868B (en) * | 2022-05-06 | 2023-12-26 | 国网江苏省电力有限公司电力科学研究院 | Single-port oil extraction system and method for online monitoring of transformer oil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207280805U (en) | A kind of transformer oil automatic sampling device | |
| CN206270019U (en) | A kind of drawer repetition test test device | |
| CN108333381A (en) | A kind of digestion instrument automatic sampling device | |
| CN204346897U (en) | A kind of automatic cleaning and sampling device being applicable to photometry | |
| CN203385745U (en) | Sampling mechanical arm for full-automatic detection analyzer | |
| CN201543626U (en) | Capillary tube cleaning device | |
| CN2859492Y (en) | Multiheaded automatic multifunctional tube pressure testing machine | |
| CN202837170U (en) | Element morphology analysis flow path system used for being combined with atomic fluorescence | |
| CN202330373U (en) | Automatic dilution device for ion chromatography solution | |
| CN203216848U (en) | Sample injection device of atomic fluorescence spectrometer | |
| CN208894272U (en) | A kind of independent qualitative and quantitative analysis instrument of three kinds of xylene species | |
| CN202974872U (en) | Steam generation and steam-liquid separation system | |
| CN114134027B (en) | Portable fast detector for new coronavirus | |
| CN205374488U (en) | Automatic filling equipment | |
| CN101587127A (en) | Full automatic urine analyzer | |
| CN206804348U (en) | A kind of pharmacy experimental sample-taking device | |
| CN202974750U (en) | Separation and enrichment system | |
| CN102049397A (en) | Method and device for cleaning capillary of automatic sampler | |
| CN201392283Y (en) | Novel quantitative sampler | |
| CN211348284U (en) | Full-automatic chemiluminescence analyzer for acquiring induction type reagent bar codes | |
| CN211425900U (en) | Device for detecting heavy metal pollution of soil | |
| CN208270259U (en) | A kind of sewage disposal plant effluent quality testing sampler | |
| CN201340377Y (en) | Test system of full-automatic hemorheological analyzer | |
| CN106053200B (en) | Urine enrichment device | |
| CN111239379A (en) | Clinical selective examination device of medical endocrinology department |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |