CN208000302U - A kind of sample injection device for injecting insulating oil - Google Patents
A kind of sample injection device for injecting insulating oil Download PDFInfo
- Publication number
- CN208000302U CN208000302U CN201820297278.3U CN201820297278U CN208000302U CN 208000302 U CN208000302 U CN 208000302U CN 201820297278 U CN201820297278 U CN 201820297278U CN 208000302 U CN208000302 U CN 208000302U
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- insulating oil
- fixed
- stepper motor
- push rod
- connecting rod
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Abstract
A kind of sample injection device for injecting insulating oil, including shell, stepper motor, pushing mechanism and fixed-quantity injector, the right end of the fixed-quantity injector is injection head, left end equipped with opening, and it is internally provided with piston head, the left-half of fixed-quantity injector is installed in shell, the left end opening of fixed-quantity injector is equipped with push rod, and the end of push rod is connect with piston head.The stepper motor is installed on the left of shell, the pushing mechanism includes turntable and connecting rod, the output shaft of the turntable and stepper motor is connected by Bevel Gear Transmission, and one end and the disc surfaces edge of the connecting rod are rotatablely connected, and the other end of connecting rod and the end of push rod are rotatablely connected.When needing to inject insulating oil into gs-oil separator, stepper motor work drives connecting rod to move back and forth, and then push rod is driven to move back and forth, it is inconvenient that the amount that the insulating oil in fixed-quantity injector can be squeezed out, and squeezed out every time is fixed, and ensure that the high-precision of insulating oil injection.
Description
Technical field
The utility model is related to electric field more particularly to a kind of sample injection devices for injecting insulating oil.
Background technology
Insulating oil is a kind of important dielectric for high-voltage electrical equipment, and the quality of insulating oil is to influence electrical equipment
One of important indicator of safe operation.Therefore, the chromatography of insulating oil be power transformer go into operation, operation, maintenance must examine
Project can be used as the basis for estimation of high-tension transformer failure and latency defect.Therefore, daily point of the insulating oil of power transformer
It is heavy to analyse work, it is horizontal to improve insulating oil detection technique, replace the artificial behaviour of detection using technologies such as mechanical arm, flow controls
Make, the accuracy of detection can be improved in this technology, reduces human error, workload is reduced, to ensure insulating oil Quality Detection
Accuracy, reliability and fairness in the process.
It needs to carry out Oil-gas Separation to insulating oil in insulating oil detection process, carrying out Oil-gas Separation to insulating oil is conducive to
It avoids injecting insulating oil in chromatographic column when dielectric oil chromatographic analysis, chromatographic column is caused to pollute;It needs to use sample injection at this time
Device injects insulating oil in gs-oil separator.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the one kind proposed is for injecting absolutely
The sample injection device of edge oil.
To achieve the goals above, the utility model uses following technical solution:
A kind of sample injection device for injecting insulating oil, including shell, stepper motor, pushing mechanism and calibrated shot
Device, the right end of the fixed-quantity injector is injection head, left end is equipped with opening, and is internally provided with piston head, a left side for fixed-quantity injector
Half part is installed in shell, and the left end opening of fixed-quantity injector is equipped with push rod, and the end of push rod is connect with piston head;
The stepper motor is installed on the left of shell, and the pushing mechanism includes turntable and connecting rod, the turntable and step
The output shaft of stepper motor is connected by Bevel Gear Transmission, and one end and the disc surfaces edge of the connecting rod are rotatablely connected, connection
The other end of bar and the end of push rod are rotatablely connected.
Preferably, the piston head surface is coated with layer of silica gel, ensures leakproofness.
Preferably, the housing outer surface offers limited bayonet.
Preferably, the housing outer surface is equipped with terminal socket, and terminal socket is electrically connected with stepper motor, terminal socket
For external controller.
Compared with prior art, the utility model has the beneficial effects that:The utility model is simple in structure, novel,
When needing to inject insulating oil into gs-oil separator, stepper motor work drives connecting rod to move back and forth, and then drives push rod past
Multiple movement, you can it is inconvenient that the amount for squeezing out the insulating oil in fixed-quantity injector, and squeezing out every time is fixed, and ensure that insulating oil injects
High-precision.
Description of the drawings
Fig. 1 be the utility model proposes it is a kind of for inject insulating oil sample injection device structural schematic diagram.
In figure:1, terminal socket, 2, stepper motor, 3, pushing mechanism, 4, push rod, 5, limited bayonet, 6, fixed-quantity injector.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Embodiment one
Referring to Fig.1, a kind of sample injection device for injecting insulating oil, including shell, stepper motor 2,3 and of pushing mechanism
Fixed-quantity injector 6, the right end of the fixed-quantity injector 6 is injection head, left end is equipped with opening, and is internally provided with piston head, quantitative
The left-half of syringe 6 is installed in shell, and the left end opening of fixed-quantity injector 6 is equipped with push rod 4, the end of push rod 4 with
Piston head connects.
The stepper motor 2 is installed on the left of shell, and the pushing mechanism 3 includes turntable and connecting rod, the turntable with
The output shaft of stepper motor 2 is connected by Bevel Gear Transmission, and one end and the disc surfaces edge of the connecting rod are rotatablely connected, even
The other end of extension bar is rotatablely connected with the end of push rod 4.
When needing to inject insulating oil into gs-oil separator, stepper motor 2 works, and connecting rod is driven to move back and forth, into
And push rod 4 is driven to move back and forth, you can it is inconvenient that the amount for squeezing out the insulating oil in fixed-quantity injector 6, and squeezing out every time is fixed, and protects
The high-precision of insulating oil injection is demonstrate,proved.
Preferably, the piston head surface is coated with layer of silica gel, ensures leakproofness.
Embodiment two
The housing outer surface offers limited bayonet 5, facilitates the installation of the sample injection device.
Embodiment three
The housing outer surface is equipped with terminal socket 1, and terminal socket 1 is electrically connected with stepper motor 2, and terminal socket 1 is used
In external controller, may be implemented to be automatically injected, without human intervention.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (4)
1. a kind of for injecting the sample injection device of insulating oil, which is characterized in that including shell, stepper motor, pushing mechanism and
Fixed-quantity injector, the right end of the fixed-quantity injector is injection head, left end is equipped with opening, and is internally provided with piston head, quantitative to note
The left-half of emitter is installed in shell, and the left end opening of fixed-quantity injector is equipped with push rod, the end of push rod and piston head
Connection;
The stepper motor is installed on the left of shell, and the pushing mechanism includes turntable and connecting rod, and the turntable is electric with stepping
The output shaft of machine is connected by Bevel Gear Transmission, and one end and the disc surfaces edge of the connecting rod are rotatablely connected, connecting rod
The end of the other end and push rod is rotatablely connected.
2. a kind of sample injection device for injecting insulating oil according to claim 1, which is characterized in that the piston head
Surface is coated with layer of silica gel, ensures leakproofness.
3. a kind of sample injection device for injecting insulating oil according to claim 1, which is characterized in that outside the shell
Surface offers limited bayonet.
4. a kind of sample injection device for injecting insulating oil according to claim 1, which is characterized in that outside the shell
Surface is equipped with terminal socket, and terminal socket is electrically connected with stepper motor, and terminal socket is used for external controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820297278.3U CN208000302U (en) | 2018-03-05 | 2018-03-05 | A kind of sample injection device for injecting insulating oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820297278.3U CN208000302U (en) | 2018-03-05 | 2018-03-05 | A kind of sample injection device for injecting insulating oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208000302U true CN208000302U (en) | 2018-10-23 |
Family
ID=63838741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820297278.3U Active CN208000302U (en) | 2018-03-05 | 2018-03-05 | A kind of sample injection device for injecting insulating oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208000302U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342611A (en) * | 2018-12-24 | 2019-02-15 | 安徽华辰检测技术研究院有限公司 | The detection method of four kinds of sulfonylurea herbicide contents in a kind of wheat wheat |
-
2018
- 2018-03-05 CN CN201820297278.3U patent/CN208000302U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342611A (en) * | 2018-12-24 | 2019-02-15 | 安徽华辰检测技术研究院有限公司 | The detection method of four kinds of sulfonylurea herbicide contents in a kind of wheat wheat |
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