CN217822308U - Vacuum oil injection buffer device of underground transformer - Google Patents
Vacuum oil injection buffer device of underground transformer Download PDFInfo
- Publication number
- CN217822308U CN217822308U CN202221658635.7U CN202221658635U CN217822308U CN 217822308 U CN217822308 U CN 217822308U CN 202221658635 U CN202221658635 U CN 202221658635U CN 217822308 U CN217822308 U CN 217822308U
- Authority
- CN
- China
- Prior art keywords
- oil
- valve
- steel wire
- buffer tank
- vacuum
- 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
Images
Abstract
The utility model relates to the technical field of transformer substation underground transformers, in particular to a vacuum oil injection buffering device for an underground transformer, which comprises an oil level sensor, a signal processing module, an oil delivery buffer tank, a solenoid valve, a first sealing joint, a second sealing joint, a pressure reducing valve, a manual valve and a PVC steel wire oil pipe; the oil level sensor is arranged on the lateral portion of the oil transportation buffer box and connected with the signal processing module through a lead, the PVC steel wire oil pipe is located on one side of the oil transportation buffer box, the top of the PVC steel wire oil pipe is connected with the electromagnetic valve through a first sealing joint, the lower end of the PVC steel wire oil pipe is connected with one end of the manual valve through a second sealing joint, the other end of the manual valve is communicated with an oil inlet below the lateral portion of the oil transportation buffer box through the pressure reducing valve, and an oil outlet is arranged below the other side of the oil transportation buffer box. Due to the use of the vacuum oil injection buffer device, the on-duty labor can be saved, and the installation quality of the underground transformer can be improved.
Description
Technical Field
The utility model relates to a transformer substation's underground transformer technical field, especially an underground transformer vacuum oiling buffer.
Background
Generally, in the process of vacuum oil injection of a transformer, transformer oil is filtered by a vacuum oil filter from an oil tank and then injected into a transformer body. When an underground substation is built, the transformer and the vacuum oil filter are arranged at about 20-30 meters underground, and due to insufficient space, the large-scale oil tank can only be placed on the ground and is connected to the vacuum oil filter through an oil pipeline. The oil pressure at the bottom of the oil pipeline is high due to the large height difference between the oil and the oil, so that the vacuum oil filter is easily damaged.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a problem among the above-mentioned background of effectual solution has proposed an underground transformer vacuum oiling buffer.
The specific technical scheme is as follows:
a vacuum oil injection buffering device for an underground transformer comprises an oil level sensor, a signal processing module, an oil delivery buffering box, an electromagnetic valve, a first sealing joint, a second sealing joint, a pressure reducing valve, a manual valve and a PVC steel wire oil pipe; the oil level sensor is arranged on the side part of the oil transportation buffer tank and is connected with the signal processing module through a lead, the PVC steel wire oil pipe is positioned on one side of the oil transportation buffer tank, the top part of the PVC steel wire oil pipe is connected with the electromagnetic valve through a first sealing joint, the electromagnetic valve is connected with the signal processing module through a lead, the lower end of the PVC steel wire oil pipe is connected with one end of the manual valve through a second sealing joint, the other end of the manual valve is communicated with an oil inlet below the side part of the oil transportation buffer tank through the pressure reducing valve, an oil outlet is arranged below the other side of the oil transportation buffer tank, and the oil outlet is also provided with the manual valve,
preferably, the upper part of the oil transportation buffer tank is provided with a moisture-proof breather valve.
Preferably, the bottom of the oil transportation buffer tank is provided with an oil discharge valve.
Preferably, a liquid level indicator is arranged on the side of the oil transportation buffer tank.
Compared with the prior art, the beneficial effects of the utility model are that: compared with the prior art, the vacuum oil injection buffer device has the advantages that the use of the vacuum oil injection buffer device can save on-duty labor and improve the installation quality of the underground transformer, meanwhile, the cost is low, and the vacuum oil injection buffer device has a meaning which is difficult to replace in the installation operation of the underground transformer substation at the present stage. Meanwhile, a solution is provided for the problems that part of the site is limited and the fire safety of the site is affected by a large-scale oil tank truck.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
the device comprises an oil level sensor 1, a signal processing module 2, a double-layer oil tank 3, an electromagnetic valve 4, a sealing joint 5, a pressure reducing valve 6, a manual valve 7, a damp-proof breather valve 8, a liquid level indicator 9, an oil unloading valve 10, a grounding wire 11 and a PVC steel wire oil pipe 12.
Detailed Description
For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may also be oriented 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.
The following detailed description of the preferred embodiments of the invention is provided with reference to the accompanying drawings.
As shown in figure 1, the device comprises an oil level sensor 1, a signal processing module 2, an oil transportation buffer tank 3, an electromagnetic valve 4, a sealing joint 5, a pressure reducing valve 6, a manual valve 7, a moisture-proof breather valve 8, a liquid level indicator 9, an oil unloading valve 10, a grounding wire 11 and a PVC steel wire oil pipe 12. The specification of the oil transportation buffer tank is designed to be 1.5 × 2 meters, the volume of the transformer oil which can be stored is about 4.5 cubes, the top of the oil transportation buffer tank is provided with a moisture-proof breather which ensures that the transformer oil is not affected with damp, an oil inlet is arranged at the position, close to the bottom surface, of one side surface of the oil transportation buffer tank, and an oil outlet is arranged at the position, close to the bottom surface, of the other side surface of the oil transportation buffer tank. The oil inlet is connected to the large oil tank through an oil pipeline, and the oil outlet is connected to the vacuum oil filter through an oil pipeline.
Two oil level sensors with adjustable positions are arranged in the oil transportation buffer tank, when the transformer oil is lower than the lower limit oil level sensor, the sensors send instructions to an electromagnetic valve arranged on the side of a large oil tank through a signal processing module, and the valve is opened to start oil injection; when the transformer oil is higher than the upper limit oil level sensor, the sensor sends an instruction to an automatic opening and closing oil valve installed on the side of the large oil tank through a signal processing module, and the valve is closed to stop oil injection. Vacuum oiling buffer's structure should include the oil delivery baffle-box, dampproofing respirator, the oil level indicator, the oil level inductor, signal processing module, the solenoid valve, wherein the oil delivery baffle-box is the main part of whole device, be used for storing transformer oil, the top sets up dampproofing breather valve, be used for the inside and outside atmospheric pressure of balanced oil tank, prevent simultaneously that transformer oil from weing, set up the oil level indicator, a observe the oil level, externally side sets up the oil level inductor from top to bottom simultaneously, be used for responding to the height oil level, transmission signal gives outside information processing module, the module is responsible for again and sends the instruction to installing the automatic switching oil valve in large-scale oil tank side, both sides set up the business turn over hydraulic fluid port simultaneously, the below sets up unloads the hydraulic fluid port.
When the device is used, the device is pushed to a main transformation layer of an underground substation, and an oil tank truck on the ground is connected with the device by using the sealing joint and the PVC oil pipe. The oil tank truck side electromagnetic valve is opened through the signal processing module, and oil injection into the device is started. And observing the liquid level indicator, opening the manual valve at the oil outlet side after the oil level exceeds 1/2 of the height of the oil tank, opening the vacuum oil filter, and starting to inject oil. Sensing the oil level height when the oil level inductor is enough, closing the electromagnetic valve on the oil tank truck side through the signal processing module, after oiling for a period of time, sensing the oil level height by the oil level inductor to be insufficient, opening the electromagnetic valve on the oil tank truck side through the signal processing module, and circulating the steps. And after the oil injection is finished, the device is powered off, all the manual valves are closed, the oil pipe connection is disconnected, and the residual oil in the oil tank is discharged from the oil discharge valve.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides an underground transformer vacuum oiling buffer which characterized in that: the oil level sensor is connected with the oil delivery buffer tank through the oil delivery buffer tank; the oil level sensor is arranged on the side portion of the oil transportation buffer tank and connected with the signal processing module through a lead, the PVC steel wire oil pipe is located on one side of the oil transportation buffer tank, the top of the PVC steel wire oil pipe is connected with the electromagnetic valve through a first sealing joint, the electromagnetic valve is connected with the signal processing module through a lead, the lower end of the PVC steel wire oil pipe is connected with one end of the manual valve through a second sealing joint, the other end of the manual valve is communicated with an oil inlet below the side portion of the oil transportation buffer tank through the pressure reducing valve, an oil outlet is arranged below the other side of the oil transportation buffer tank, and a manual valve is also arranged on the oil outlet.
2. The vacuum oil injection buffering device for the underground transformer as claimed in claim 1, wherein a moisture-proof breather valve is provided at an upper portion of the oil transportation buffering tank.
3. The vacuum oil injection buffering device for the underground transformer as claimed in claim 1, wherein an oil discharge valve is arranged at the bottom of the oil transportation buffering tank.
4. The underground transformer vacuum oiling buffering device of claim 1, wherein the side of the oil transportation buffer tank is provided with a liquid level indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221658635.7U CN217822308U (en) | 2022-06-30 | 2022-06-30 | Vacuum oil injection buffer device of underground transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221658635.7U CN217822308U (en) | 2022-06-30 | 2022-06-30 | Vacuum oil injection buffer device of underground transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217822308U true CN217822308U (en) | 2022-11-15 |
Family
ID=83960589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221658635.7U Active CN217822308U (en) | 2022-06-30 | 2022-06-30 | Vacuum oil injection buffer device of underground transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217822308U (en) |
-
2022
- 2022-06-30 CN CN202221658635.7U patent/CN217822308U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106894490A (en) | A kind of railway vacuum evacuation system | |
| CN217822308U (en) | Vacuum oil injection buffer device of underground transformer | |
| CN201297437Y (en) | Differential pressure type drainage device used in containers | |
| CN107503991A (en) | A kind of automatic liquid injection device | |
| CN209592184U (en) | A kind of filling machine vacuum liquid supplementing equipment | |
| CN105861025B (en) | The retracting device and method of a kind of gas pipeline liquid light hydrocarbon | |
| CN208574349U (en) | A kind of compressed air condensate drain | |
| US6253801B1 (en) | Method and apparatus for draining connecting pipes between tanks | |
| CN201588292U (en) | Isolation device of water drain pipes in oil tank area | |
| CN210769342U (en) | Liquid pumping device | |
| CN204062481U (en) | A kind of pipe control system of natural gas storage tank peculiar to vessel | |
| CN204324860U (en) | One, two, three petroleum vapor recovery integrated treatment unit of petrol service station | |
| CN208673156U (en) | A kind of auto Oil-filling System Using in chemical fertilizer production | |
| CN207178326U (en) | A kind of automatic liquid injection device | |
| CN202965856U (en) | Small-size amphibious pump station room convenient to move | |
| CN201296646Y (en) | A water injection and drainage pipeline system | |
| CN201099497Y (en) | Storage tank of inner floating and top suspending central upper drainage device | |
| CN205127531U (en) | Negative pressure filtration system | |
| CN220788051U (en) | Aviation oil low-point discharge pipeline | |
| CN220748433U (en) | Automatic water discharging device of fuel filter | |
| CN219830641U (en) | Water recycling device for ship pipeline pressure test | |
| CN102767212B (en) | One-way pressure supplementing tower used for water conveying system | |
| CN215351708U (en) | Small water drawing device | |
| CN214019265U (en) | Maleic anhydride rectification xylene pump communicating device | |
| CN209540524U (en) | Medium pressure gas pipeline condensate cylinder assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |