CN217261812U - Standard oil sample storage bag for checking transformer oil online monitoring device - Google Patents
Standard oil sample storage bag for checking transformer oil online monitoring device Download PDFInfo
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- CN217261812U CN217261812U CN202220831328.8U CN202220831328U CN217261812U CN 217261812 U CN217261812 U CN 217261812U CN 202220831328 U CN202220831328 U CN 202220831328U CN 217261812 U CN217261812 U CN 217261812U
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Abstract
The utility model relates to a transformer oil on-line monitoring application technology field specifically is a transformer oil on-line monitoring device calibration is with standard oil appearance storage bag, including the bag body, the bag body is one end open-ended cavity prism structure, and the opening part of the bag body is provided with sealing device, the first interlayer of bag inner wall fixedly connected with, and first interlayer is with internal partitioning of bag for oil storage chamber and operation chamber, operation chamber and bag body opening intercommunication, first interlayer is connected respectively and is advanced oil pipe, play oil pipe, advances oil pipe and goes out oil pipe and all sets up in the operation intracavity to with oil storage chamber intercommunication, advance oil pipe and go out oil pipe and be connected with switching device respectively, evacuation pipeline is connected to bag body one side, evacuation pipeline and operation chamber intercommunication, evacuation pipe connection has switching device. The utility model discloses can improve the leakproofness of standard oil appearance storage bag, effectively prevent outside air pollution standard oil appearance to guarantee oil chromatogram on-line monitoring device's check-up accuracy.
Description
Technical Field
The utility model relates to a technical field is used in transformer oil on-line monitoring, specifically is a standard oil appearance storage bag is used in transformer oil on-line monitoring device check-up.
Background
In the transformer, the insulating oil is a main insulating material, and aging and decomposition phenomena occur during the working process, so that low molecular hydrocarbon gases are generated, and the acetylene gases can cause the transformer to be out of order. During the operation of the transformer, the content of different generated gases needs to be monitored in real time. The important means for diagnosing the internal fault of the transformer is to analyze the dissolved gas in the oil by adopting a transformer oil chromatographic online monitoring device.
Along with the increase of the service life of the oil chromatogram on-line monitoring device, a series of problems of insufficient degassing amount, low chromatographic column separation efficiency, low detector performance and the like caused by aging of components exist, so that the deviation between a detection result and a true value is large, and the actual condition of the operation of a transformer cannot be accurately judged. Therefore, the oil chromatogram on-line monitoring device of the alternating current and direct current extra-high voltage station needs to be periodically checked. Currently, the method for calibrating an online chromatograph is generally accepted in the industry to calibrate the online chromatograph by adopting standard oil containing standard gas with a certain concentration.
Wherein, the prepared standard oil is usually stored by a container and is injected into an online chromatograph when in use. The during operation needs to carry a large amount of standard oil and transports to the check-up scene, and current standard oil all adopts the hydro-cylinder to store, and the hydro-cylinder adopts the metal material to make, and is bulky moreover, and the majority is more than 1 meter, and is comparatively heavy, and loading and unloading, transportation are all inconvenient.
In order to solve the problems, part of the verification units adopt aluminum foil bags to store standard oil and carry the standard oil to the site. The weight of the aluminum foil bag is far less than that of the oil cylinder, so that the transportation cost and the loading and unloading difficulty are greatly reduced. However, the existing storage bag adopts a simple structure that the top end of an aluminum foil bag is connected with an oil inlet and an oil outlet, the sealing performance of the storage bag is poorer than that of an oil cylinder, particularly the sealing performance of the connection part of the oil inlet, the oil outlet and the bag is poorer, and standard oil in the storage bag is easy to deteriorate when the storage bag is not used for a long time.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a transformer oil on-line monitoring device calibration is with standard oil appearance storage bag.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a transformer oil on-line monitoring device calibration is with standard oil appearance storage bag, includes the bag body, and the bag body is one end open-ended cavity prism structure, and the opening part of the bag body is provided with sealing device for close the bag body, inside seal. The inner wall of the bag body is fixedly connected with a first interlayer which divides the interior of the bag body into an oil storage cavity and an operation cavity, and the operation cavity is communicated with the opening of the bag body. The first interlayer is respectively connected with the oil inlet pipe and the oil outlet pipe, the oil inlet pipe and the oil outlet pipe are both arranged in the operation cavity and communicated with the oil storage cavity, the oil inlet pipe and the oil outlet pipe are used for conveying standard oil, and the oil inlet pipe and the oil outlet pipe are respectively connected with the opening and closing devices for respectively controlling the opening and closing of the oil inlet pipe and the oil outlet pipe. One side of the bag body is connected with a vacuumizing pipeline which is communicated with the operation cavity and is used for vacuumizing the operation cavity, and the vacuumizing pipeline is connected with a switching device for controlling the switching of the switching device.
In the structure, after the standard oil is injected into the oil storage cavity by adopting conventional operation, the oil storage cavity stores the standard oil; the bag body opening is closed, utilizes the evacuation pipeline to operate the chamber evacuation to guarantee the leakproofness of advancing oil pipe, play oil pipe junction, further guarantee holistic sealed effect.
In order to further guarantee the sealed effect, avoid more air to get into, bag inner wall fixedly connected with second interlayer, second interlayer set up in the operation intracavity, and the second interlayer sets up between advancing oil pipe, play oil pipe and bag body opening, has seted up two through-holes on the second interlayer, and two through-holes correspond respectively and advance oil pipe and go out the position setting of oil pipe. When advancing, go out oily operation, because of the aluminium foil bag is softer, can push down the second interlayer will advance oil pipe, go out oil pipe and stretch out the outside by the through-hole, the operation of being convenient for resumes after accomplishing. The second interlayer is used as another air barrier, and the through holes are small, so that the sealing property can be improved.
The second interlayer is made of an aluminum foil material.
The sealing device at the opening of the bag body is one of a plastic self-sealing strip or viscose glue.
The opening and closing device of the oil inlet pipe and the oil outlet pipe selects one of a blast cap or a switch valve.
The opening and closing device of the vacuum pumping pipeline is one of a blast cap or a switch valve.
The first interlayer is made of an aluminum foil material.
The utility model discloses the beneficial effect who reaches is:
the utility model discloses can improve the leakproofness of standard oil appearance storage bag, effectively prevent external air pollution standard oil appearance to guarantee oil chromatogram on-line monitoring device's check-up accuracy.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic internal structural diagram of a first embodiment of the present invention (the front end surface in fig. 1 is removed);
fig. 3 is a schematic diagram of the internal structure of the second embodiment of the present invention (the front end surface in fig. 1 is removed).
In the figure: 1. a bag body; 2. a vacuum pipeline is pumped; 3. a sealing device; 4. an oil inlet pipe; 5. an oil outlet pipe; 6. a first barrier layer; 7. a second barrier layer; 8. a through hole 9 and an oil storage cavity; 10. an operating chamber.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
The first embodiment is as follows:
as shown in fig. 1 and 2, a standard oil sample storage bag for checking transformer oil on-line monitoring device comprises a bag body 1, wherein the bag body 1 is a hollow prismatic structure with an opening at one end, and the lower part of the bag body 1 is larger for the convenience of vertical placement.
The opening of the bag body 1 is provided with a sealing device 3 for closing and sealing the bag body 1. The sealing device 3 at the opening of the bag body 1 is made of plastic self-sealing strips, the plastic self-sealing strips are respectively arranged on two surfaces of the opening and are connected in a matching way, and the plastic self-sealing strips can be directly purchased and obtained in the prior art.
The first interlayer 6 of 1 inner wall fixedly connected with of the bag body, 6 levels of first interlayer set up, and first interlayer 6 passes through modes fixed connection such as hot melt adhesive with the bag body 1. The first interlayer 6 divides the interior of the bag body into an oil storage cavity 9 and an operation cavity 10, the operation cavity 10 is communicated with the opening of the bag body 1, and the oil storage cavity 9 is positioned at the lower part of the operation cavity 10.
The first interlayer 6 is respectively connected with the oil inlet pipe 4 and the oil outlet pipe 5, the oil inlet pipe 4 and the oil outlet pipe 5 are both arranged in the operation cavity 10 in an extending mode, the lower portion of the oil inlet pipe is communicated with the oil storage cavity 9, the oil inlet pipe 4 and the oil outlet pipe 5 are used for conveying standard oil, the oil inlet pipe 4 and the oil outlet pipe 5 are respectively connected with the opening and closing device, and the opening and closing device can be a cover cap or a switch valve.
The side of the bag body 1 is connected with a vacuumizing pipeline 2, the vacuumizing pipeline 2 is communicated with an operation cavity 10, the vacuumizing pipeline 2 is used for vacuumizing the operation cavity 10, the vacuumizing pipeline 2 is connected with an opening and closing device, and the opening and closing device can select a cover cap or a switch valve.
The bag body 1 and the first interlayer 6 are made of aluminum foil.
Example two:
as shown in fig. 3, the structure of this embodiment is similar to that of the first embodiment, except that, in order to further ensure the sealing effect and prevent more air from entering, a second interlayer 7 is fixedly connected to the inner wall of the bag body 1, and the second interlayer 7 is made of an aluminum foil material. The second interlayer 7 is arranged in the operation cavity 10, the second interlayer 7 is arranged between the oil inlet pipe 4, the oil outlet pipe 5 and the opening of the bag body 1, two through holes 8 are formed in the second interlayer 7, and the two through holes 8 are respectively arranged above the oil inlet pipe 4 and the oil outlet pipe 5.
When advancing, go out oily operation, because of the aluminium foil material is softer, can push down second interlayer 7 will advance oil pipe 4, go out oil pipe 5 and stretch out the outside by through-hole 8, the operation of being convenient for resumes after accomplishing. The second interlayer 7 is used as another air barrier, and the through holes 8 are smaller, so that the sealing performance can be improved.
Claims (7)
1. The utility model provides a transformer oil on-line monitoring device calibration is with standard oil appearance storage bag, a serial communication port, including the bag body, the bag body is one end open-ended cavity prism structure, and the opening part of the bag body is provided with sealing device, the first interlayer of bag inner wall fixedly connected with, and the internal partitioning of bag is into oil storage chamber and operation chamber with first interlayer, operation chamber and bag body opening intercommunication, first interlayer is connected respectively and is advanced oil pipe, play oil pipe, advances oil pipe and goes out oil pipe and all sets up in the operation intracavity to with oil storage chamber intercommunication, advance oil pipe and go out oil pipe and be connected with switching device respectively, evacuation pipeline is connected to bag body one side, evacuation pipeline and operation chamber intercommunication, evacuation pipe connection has switching device.
2. The standard oil sample storage bag for the on-line transformer oil monitoring device calibration of claim 1, wherein a second interlayer is fixedly connected to an inner wall of the bag body, the second interlayer is disposed in the operation chamber, the second interlayer is disposed between the oil inlet pipe, the oil outlet pipe and the opening of the bag body, and two through holes are formed in the second interlayer and respectively correspond to the positions of the oil inlet pipe and the oil outlet pipe.
3. The standard oil sample storage bag for the verification of the on-line transformer oil monitoring device as claimed in claim 2, wherein the second interlayer is made of aluminum foil.
4. The standard oil sample storage bag for the verification of the on-line transformer oil monitoring device according to claim 1 or 2, wherein the sealing device at the opening of the bag body is one of a plastic self-sealing strip or an adhesive.
5. The standard oil sample storage bag for the verification of the on-line transformer oil monitoring device according to claim 1 or 2, wherein the opening and closing device of the oil inlet pipe and the oil outlet pipe is one of a blast cap or a switch valve.
6. The standard oil sample storage bag for the verification of the on-line transformer oil monitoring device according to claim 1 or 2, wherein the switching device of the vacuuming pipeline is one of a hood or a switch valve.
7. The standard oil sample storage bag for the verification of the on-line transformer oil monitoring device as claimed in claim 1 or 2, wherein the first interlayer is made of aluminum foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220831328.8U CN217261812U (en) | 2022-04-11 | 2022-04-11 | Standard oil sample storage bag for checking transformer oil online monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220831328.8U CN217261812U (en) | 2022-04-11 | 2022-04-11 | Standard oil sample storage bag for checking transformer oil online monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217261812U true CN217261812U (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220831328.8U Active CN217261812U (en) | 2022-04-11 | 2022-04-11 | Standard oil sample storage bag for checking transformer oil online monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217261812U (en) |
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2022
- 2022-04-11 CN CN202220831328.8U patent/CN217261812U/en active Active
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