CN218629669U - Transformer oil-taking and storing device convenient for chromatographic analysis test - Google Patents
Transformer oil-taking and storing device convenient for chromatographic analysis test Download PDFInfo
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- CN218629669U CN218629669U CN202222489604.XU CN202222489604U CN218629669U CN 218629669 U CN218629669 U CN 218629669U CN 202222489604 U CN202222489604 U CN 202222489604U CN 218629669 U CN218629669 U CN 218629669U
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Abstract
The utility model belongs to the technical field of power equipment, especially, relate to a transformer storage device that gets oil convenient to chromatographic analysis is experimental, be applicable to the on-the-spot storage device that gets oil that the periodic oil chromatographic analysis of oil-immersed transformer used. The utility model comprises an oil storage device and a pressure sensor, wherein the pressure sensor is connected with the top of the oil storage device, a piston is arranged in the oil storage device, and the other end of a piston supporting center rod at the upper end of the piston is connected with a piston driving motor; the bottom oil outlet of the oil storage device is connected with a three-way valve F1 through an oil pipe, and a digital display screen is arranged on the oil storage device. The utility model discloses simple structure, easy operation to it is sealed effectual, can be applied to the oily link of transformer substation's oil chromatographic analysis test getting, sealed getting oil, the phenomenon of the gaseous loss of oil appearance that avoids transporting oil appearance to lead to takes place, improves and detects the accuracy nature, due stability when guaranteeing transformer oil chromatographic analysis standard oil and preserve improves transformer oil's validity period, has very high economic benefits and social.
Description
Technical Field
The utility model belongs to the technical field of power equipment, especially, relate to a transformer storage device that gets oil convenient to chromatographic analysis is experimental, be applicable to the on-the-spot storage device that gets oil that the periodic oil chromatographic analysis of oil-immersed transformer used.
Background
The oil chromatographic analysis is an important means for diagnosing the internal fault of the transformer, and gas components dissolved in the transformer oil are analyzed through the oil chromatographic analysis regularly, so that possible accident potential can be found in time, and the method is very effective for monitoring and mastering the running condition of the transformer.
Oil chromatography experiments need to take oil from a transformer in a transformer substation periodically in the transformer substation, and then the oil is brought back to a laboratory for experimental analysis. The transformation state of the oil color in the transformer is the truest reaction to the running state of the transformer, and a wide detection mode in the field of transformer application of power supply systems and the like at the present stage is to master the normal running state of the transformer according to the transformation of the oil color of the transformer and properly master the identification mode of the oil color of the transformer, so that the method has great development significance for the application work of the transformer.
After getting oil from transformer in the transformer substation, adopt the wide-necked bottle to save and carry back to the laboratory usually, however the position and the laboratory distance of part transformer substation are far away, use the wide-necked bottle to save oil sample, very easily because of the sealed tight gas loss in the oil that leads to inadequately of bottleneck to the transformer that needs the experiment at every turn is more usually, the oil sample of getting like this probably can not all accomplish experimental work the day, and make the transformer oil storage time of getting lengthened, this also can have the risk of gas loss.
Once gas is dissipated from the transformer oil, the test result is deviated, and the accuracy of the transformer state analysis result is affected.
SUMMERY OF THE UTILITY MODEL
To the weak point that exists among the above-mentioned prior art, the utility model provides a transformer storage device that fetches oil for chromatographic analysis is experimental convenient for. Its purpose is in order to realize the on-the-spot oil extraction of being convenient for and the storage is stable utility model purpose of difficult loss.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:
a transformer oil taking and storing device convenient for chromatographic analysis tests comprises an oil reservoir and a pressure sensor, wherein the pressure sensor is directly connected to the top of the oil reservoir through a valve port, a piston is further arranged in the oil reservoir, and the other end of a piston support center rod at the upper end of the piston is connected with a piston driving motor; the bottom oil outlet of the oil reservoir is connected with a three-way valve F1 through an oil pipe; the oil storage device is provided with a digital display screen which is connected with the pressure sensor through an electric signal.
Furthermore, the oil reservoir is a sealed box body, and the box body is of a square or cylindrical structure.
Furthermore, the oil reservoir adopts a piston type structure.
Furthermore, the piston is connected to the inner wall of the oil reservoir through a sliding rail, and the piston can move up and down in the oil reservoir.
Furthermore, the digital display screen is connected with the pressure sensor through an electric signal, and the processor inside the digital display screen displays the oil storage volume inside the oil storage device through pressure conversion.
Further, the three-way valve F1 has three ports, i.e., a port F11, a port F12, and a port F13.
Furthermore, the oil pipe is fixedly connected with a valve port F12 on the three-way valve F1 through a valve.
Furthermore, a valve port F11 of the three-way valve F1 is connected with an oil taking port of the transformer.
Further, the pressure of the upper space of the piston is 0.2MPa.
Compared with the prior art, the utility model, following beneficial effect and advantage have:
the utility model provides a simple structure, easy operation to sealed for the chromatographic analysis test transformer get oil storage device of being convenient for that the effect is very good. Can use the transformer substation oil chromatographic analysis test to get oily link, through the utility model discloses the transformer is got oily storage device and is realized sealedly getting oil, and the phenomenon of the gaseous loss of oil appearance that avoids transporting oil appearance to lead to takes place, makes oil appearance be convenient for preserve and transport, reduces because of the chromatographic analysis test that the gaseous loss of oil appearance leads to the unnecessary error appears, improves and detects the accuracy nature, has high economic benefits and social to transformer oil's analytical test.
The utility model discloses a difficult point that other storage device storage transformer oil seal effect is poor and the save time is short has not only been solved to storage device, can also guarantee due stability when transformer oil chromatography standard oil preserves, has improved the validity period of transformer oil greatly, simultaneously the utility model discloses the device still has characteristics such as capacity is visual, and the on-the-spot storage device that gets that oil that is applicable to the periodic oil chromatography analysis of oil immersed transformer that can be extensive was used. Is suitable for being widely popularized and applied in the field and has very considerable market application prospect.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of the present invention.
In the figure:
the oil storage device comprises an oil storage device 1, a pressure sensor 2, a piston driving motor 3, a piston 4, a digital display screen 5, an oil outlet 6, an oil pipe 7, a piston supporting center rod 8, a three-way valve F1, a valve port F11, a valve port F12 and a valve port F13.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The technical solution of some embodiments of the present invention is described below with reference to fig. 1.
Example 1
The utility model provides an embodiment is a transformer storage device that fetches oil for chromatographic analysis is experimental convenient for. As shown in fig. 1, fig. 1 is a schematic structural diagram of the present invention.
The utility model discloses storage device includes oil storage tank 1, and for sealed box, the box is square structure.
The oil storage device 1 adopts a piston type structure, a piston 4 is arranged in the oil storage device 1, and the piston 4 is connected to the inner wall of the oil storage device 1 through a sliding rail.
The other end of the piston 4 extends out of the top of the oil reservoir 1 and is connected with the piston driving motor 3 through a piston supporting central rod 8.
The upper end in the oil reservoir 1 is provided with a pressure sensor 2, and the pressure sensor 2 is directly connected to the oil reservoir 1 through a valve port.
The oil storage device 1 is provided with a digital display screen 5, the digital display screen 5 is connected with the pressure sensor 2 through an electric signal, and a processor inside the digital display screen 5 displays the oil storage volume inside the oil storage device 1 through pressure conversion.
An oil outlet 6 is arranged at the bottom of the oil reservoir 1, the oil outlet 6 is connected with an oil pipe 7 through a valve, and the oil outlet 6 is fixedly connected with a valve port F12 on the three-way valve F1 through the oil pipe 7.
The three-way valve F1 is provided with three valve ports, namely a valve port F11, a valve port F12 and a valve port F13.
When this implementation of utensil, the utility model relates to a transformer storage device that fetches oil for chromatographic analysis is experimental convenient for working procedure as follows:
(1) An initial state:
the piston 4 is positioned at the bottom of the oil reservoir 1, and three valve ports F11, F12 and F13 of the three-way valve F1 are all in a closed state.
(2) An oil inlet state:
connecting a valve port F11 of a three-way valve F1 with an oil taking port of a transformer, opening the valve port F11 and a valve port F13, flowing oil of the transformer out of 70mL, closing the valve port F13, opening a valve port F12, allowing the transformer oil to flow into the oil reservoir 1 through the valve port F12, moving the piston 4 upwards through oil flow pressure, and displaying the internal volume of the oil reservoir 1 through a digital display screen 5 in real time. When the transformer oil in the oil reservoir 1 reaches the oil intake volume, the valve port F12 of the three-way valve F1 is closed, and the valve port F11 of the three-way valve F1 is closed.
(3) And (3) a transportation state:
the pressure in the upper space of the piston 4 is detected by the pressure sensor 2 in the oil reservoir 1, and when the pressure is less than 0.2MPa, the piston driving motor 3 is started to maintain the pressure at 0.2MPa.
(4) An oil outlet state:
when the oil sample stored in the oil storage device 1 is discharged, the valve port F13 is connected with the oil taking needle cylinder, the valve ports F11 and F12 are opened, the piston driving motor 3 works to discharge 5ml of oil for cleaning a connecting pipeline; then the valve port F11 is closed, the valve port F13 is opened, the internal volume of the real-time oil reservoir 1 can be displayed through the digital display screen 5, the valve port F13 is closed after the required volume is discharged, then the valve port F12 is closed, and the piston driving motor 3 is closed.
The stability of the oil sample in the oil reservoir 1 is adjusted by a piston driving motor 3, and the pressure in the upper space of the piston is detected by a pressure sensor 2 and maintained at 0.2MPa.
The oil sample volume in the oil reservoir 1 can be displayed through the digital display screen 5 on the oil reservoir 1.
Example 2
The utility model provides an embodiment is a transformer storage device that fetches oil for chromatographic analysis is experimental convenient for.
In the implementation, the piston 4 is located at the bottom of the oil reservoir 1, and the three valve ports F11, F12 and F13 of the three-way valve F1 are all in a closed state.
When the chromatographic analysis test is used for taking oil on site, the valve port F11 of the three-way valve F1 is connected with the oil taking port of the transformer, the valve port F11 and the valve port F13 are opened, oil of the transformer flows out 70mL, dead oil area oil near the oil taking port is discharged, the valve port F13 is closed, the valve port F12 is opened, the transformer oil flows into the oil storage device 1 through the valve port F12, the piston 4 moves upwards through the oil flow pressure, and the real-time internal volume of the oil storage device 1 is displayed through the digital display screen 5.
When the transformer oil in the oil reservoir 1 reaches the oil-taking volume, the valve port F12 of the three-way valve F1 is closed, and the valve port F11 of the three-way valve F1 is closed.
During transport on site to the laboratory, the oil reservoir 1 is kept in internal pressure equilibrium by means of pressure sensors.
When a laboratory is used for an oil sample analysis test, the oil sample stored in the oil storage device 1 is discharged, the valve port F13 is connected with the oil taking needle cylinder, the valve port F11 and the valve port F12 are opened, the piston drives the motor 3 to work, and 5ml of oil is discharged for cleaning a connecting pipeline; and then the valve port F11 is closed, the valve port F13 is opened, the volume in the real-time oil storage device 1 can be displayed through the digital display screen 5, the valve port F13 is closed after the required volume is discharged, then the valve port F12 is closed, the piston driving motor 3 is closed, and an oil sample required by the test is taken out, so that the analytical test can be carried out.
In the present invention, the terms "connected" and "fixed" are to be understood in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the indicated position or positional relationship is based on the position or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or unit must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description herein, the term "one embodiment" or "an embodiment" means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents of the embodiments of the invention may be made without departing from the spirit and scope of the invention, which should be construed as being covered by the claims.
Claims (9)
1. The utility model provides a be convenient for chromatographic analysis is transformer for experiment gets oily storage device, characterized by: the oil storage device comprises an oil storage device (1) and a pressure sensor (2), wherein the pressure sensor (2) is directly connected to the top of the oil storage device (1) through a valve port, a piston (4) is further arranged inside the oil storage device (1), and the other end of a piston support center rod (8) at the upper end of the piston (4) is connected with a piston driving motor (3); an oil outlet (6) at the bottom of the oil reservoir (1) is connected with a three-way valve F1 through an oil pipe (7); the oil storage device (1) is provided with a digital display screen (5), and the digital display screen (5) is connected with the pressure sensor (2) through an electric signal.
2. The transformer oil-taking and storing device convenient for chromatographic analysis test as claimed in claim 1, wherein: the oil storage device (1) is a sealed box body which is of a square or cylindrical structure.
3. The transformer oil taking and storing device convenient for chromatographic analysis tests as claimed in claim 1, wherein: the oil reservoir (1) adopts a piston type structure.
4. The transformer oil taking and storing device convenient for chromatographic analysis tests as claimed in claim 1, wherein: piston (4) pass through the sliding rail and connect at oil reservoir (1) inner wall, piston (4) can be in oil reservoir (1) inside up-and-down motion.
5. The transformer oil taking and storing device convenient for chromatographic analysis tests as claimed in claim 1, wherein: the digital display screen (5) is connected with the pressure sensor (2) through an electric signal, and the processor inside the digital display screen (5) displays the oil storage volume inside the oil storage device (1) through pressure conversion.
6. The transformer oil taking and storing device convenient for chromatographic analysis tests as claimed in claim 1, wherein: the three-way valve F1 has three valve ports, namely a valve port F11, a valve port F12 and a valve port F13.
7. The transformer oil-taking and storing device convenient for chromatographic analysis test as claimed in claim 1, wherein: the oil pipe (7) is fixedly connected with a valve port F12 on the three-way valve F1 through a valve.
8. The transformer oil taking and storing device convenient for chromatographic analysis tests as claimed in claim 1, wherein: and a valve port F11 of the three-way valve F1 is connected with an oil taking port of the transformer.
9. The transformer oil-taking and storing device convenient for chromatographic analysis test as claimed in claim 1, wherein: the pressure of the upper space of the piston (4) is 0.2MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222489604.XU CN218629669U (en) | 2022-09-20 | 2022-09-20 | Transformer oil-taking and storing device convenient for chromatographic analysis test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222489604.XU CN218629669U (en) | 2022-09-20 | 2022-09-20 | Transformer oil-taking and storing device convenient for chromatographic analysis test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218629669U true CN218629669U (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222489604.XU Active CN218629669U (en) | 2022-09-20 | 2022-09-20 | Transformer oil-taking and storing device convenient for chromatographic analysis test |
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| Country | Link |
|---|---|
| CN (1) | CN218629669U (en) |
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- 2022-09-20 CN CN202222489604.XU patent/CN218629669U/en active Active
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