CN209216689U - A kind of low-tension transformer for avoiding oil level excessively high - Google Patents
A kind of low-tension transformer for avoiding oil level excessively high Download PDFInfo
- Publication number
- CN209216689U CN209216689U CN201821879179.2U CN201821879179U CN209216689U CN 209216689 U CN209216689 U CN 209216689U CN 201821879179 U CN201821879179 U CN 201821879179U CN 209216689 U CN209216689 U CN 209216689U
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- Prior art keywords
- tank
- tube
- fuel tank
- transformer
- fuel
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Abstract
The utility model discloses a kind of low-tension transformers for avoiding oil level excessively high, including transformer-cabinet, the inside of transformer-cabinet is equipped with fuel tank, the inside of fuel tank is equipped with liquid level sensor, the side of fuel tank is equipped with U-tube, the bottom of U-tube is equipped with fuel reserve tank, the top of fuel reserve tank is equipped with connecting tube, the inside of fuel reserve tank is equipped with explosion-proof tank, air bag is equipped in explosion-proof tank, one end of air bag is connected with gas-guide tube, the side of fuel reserve tank is equipped with electric air pump, the upper end of bleeder pipe is equipped with the first solenoid valve, the top of second branch pipe is equipped with circulating pump, the bottom of circulating pump is connected with oil pumping hose, petroleum pipeline is connected at the top of circulating pump, petroleum pipeline is equipped with second solenoid valve, the side inner wall of transformer-cabinet is equipped with controller, liquid level sensor, electric air pump, first solenoid valve, second solenoid valve and circulating pump with the output end of controller It is electrically connected.The utility model can effectively avoid transformer oil level too low or excessively high.
Description
Technical field
The utility model relates to electrical equipment technical field, in particular to a kind of low-tension transformer for avoiding oil level excessively high.
Background technique
The function of power transformer is power transmission, voltage transformation and is dielectrically separated from, in power technology and power electronics skill
It is widely used in art.Internal winding, iron core etc. can generate loss to transformer during the work time, and be converted into heat
Can, the temperature of transformer is increased, influences the performance of transformer, it is therefore desirable to cool down to transformer.Oil immersed power becomes
Depressor is cooled down by oil as cooling medium, such as oil, oil forced oil-circulation air cooling and forced oil-circulation
Corrugate fin usually is arranged in the surrounding of transformer in order to which the heat for enabling oil to absorb distributes in water cooling etc..Transformation
The heat that device generates passes to corrugate fin by the heat transfer and convection action of transformer oil, and corrugate fin passes through heat again
Radiation transfers heat to ambient air.
Transformer is the important equipment of electric system, thereby, it is ensured that the safe operation of transformer is our plant maintenances always
The most important thing in work.The oil tank of transformer run at present has the disadvantage that the oil level of fuel tank internal is too high or too low
It all will lead to light transformer then to break down, it is heavy then explode, immeasurable damage is caused to power consumer and Utilities Electric Co.
It loses.
Utility model content
The main purpose of the utility model is to provide a kind of low-tension transformers for avoiding oil level excessively high, can effectively solve
The problems in background technique.
To achieve the above object, the technical solution that the utility model is taken are as follows:
A kind of low-tension transformer for avoiding oil level excessively high, including transformer-cabinet, the inside of the transformer-cabinet are equipped with
Fuel tank, the inside of the fuel tank are equipped with liquid level sensor, and the side of the fuel tank is equipped with U-tube, and the U-tube includes mutually interconnecting
Logical the first branch pipe and the second branch pipe, side outer wall upper end and the fuel tank of the top of first branch pipe through the fuel tank
Inside is connected, and the bottom of the U-tube is equipped with fuel reserve tank, and the top of the fuel reserve tank is equipped with connecting tube, and passes through the company
Adapter tube is connected with the U-tube, and the inside of the fuel reserve tank is equipped with explosion-proof tank, is equipped with air bag, the gas in the explosion-proof tank
One end of capsule is connected with gas-guide tube, and the side of the fuel reserve tank is equipped with electric air pump, the other end of the gas-guide tube and the electricity
It takes offence the output end connection of pump, bleeder pipe is connected in the middle part of the gas-guide tube, the upper end of the bleeder pipe is equipped with the first electromagnetism
Valve, the top of second branch pipe are equipped with circulating pump, and the bottom of the circulating pump is connected with oil pumping hose, the oil pumping hose
Bottom extends to the bottom of second branch pipe, and petroleum pipeline, the other end of the petroleum pipeline are connected at the top of the circulating pump
Top through the fuel tank is connected with the fuel tank internal, and the petroleum pipeline is equipped with second solenoid valve, the transformer
The side inner wall of cabinet is equipped with controller, the liquid level sensor, electric air pump, the first solenoid valve, second solenoid valve and institute
Circulating pump is stated to be electrically connected with the output end of the controller.
Preferably, the side outer wall lower end of the fuel tank is equipped with oil exit pipe, and the oil exit pipe is equipped with draining valve.
Preferably, the outer wall of the explosion-proof tank is uniformly provided with several through-holes, and the two sides quadrangle of the explosion-proof tank is fixed
There is installation sheet, the installation sheet is equipped with a pair of of mounting hole, and the explosion-proof tank is fixed on the fuel reserve tank by multiple bolts
On inner wall.
Preferably, the length of the oil pumping hose is greater than the vertical length of second branch pipe.
Preferably, the bottom of the U-tube and the bottom of the fuel tank are located in same level.
Preferably, the oil exit pipe is set at the one third height of the fuel tank side.
Compared with prior art, the utility model has the following beneficial effects: a kind of low pressure change for avoiding oil level excessively high
Depressor, by the way that liquid level sensor is arranged, can in real-time monitoring fuel tank oil level height, by liquid level information real-time transmission to controlling
Device, when liquid level is higher than setting value, oil overflows automatically from fuel tank, enters inside U-tube from the first branch pipe, and liquid level sensor will be believed
Breath is transferred to controller, and controller opens the first solenoid valve and deflates, and enters the oil overflowed inside fuel reserve tank from connecting tube, works as liquid
When position reaches the standard value of setting, liquid level sensor transfers information to controller, and controller closes the first solenoid valve, and air bag is protected
The volume after deflating is held, the liquid level in fuel tank is made to maintain setting value；When the liquid level in fuel tank is lower than setting value, controller
Start electric air pump work, air bag volume is made to become larger, liquid level sensor transmits a signal to controller, and controller closes electronic gas
Pump, air bag keep the volume after inflation, and controller starts circulating pump and extracts the oil in U-tube to petroleum pipeline, then control the
Two solenoid valves are opened, and are made in oil injection fuel tank, until liquid level reaches setting value；The low-tension transformer knot for entirely avoiding oil level excessively high
Structure is simple, easy to operate, can effectively avoid transformer oil level too low or excessively high.
Detailed description of the invention
Fig. 1 is a kind of diagrammatic cross-section for the low-tension transformer for avoiding oil level excessively high of the utility model.
Fig. 2 is a kind of side view for the low-tension transformer for avoiding oil level excessively high of the utility model.
Fig. 3 is a kind of explosion views of the grader for the low-tension transformer for avoiding oil level excessively high of the utility model.
In figure: 1, transformer-cabinet；2, fuel tank；3, liquid level sensor；4, U-tube；5, the first branch pipe；6, the second branch pipe；
7, fuel reserve tank；8, connecting tube；9, explosion-proof tank；10, air bag；11, gas-guide tube；12, electric air pump；13, bleeder pipe；14, the first electricity
Magnet valve；15, circulating pump；16, oil pumping hose；17, petroleum pipeline；18, second solenoid valve；19, controller；20, oil exit pipe；21, it arranges
Oil valve；22, through-hole；23, installation sheet；24, mounting hole.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
As shown in Figure 1-3, a kind of low-tension transformer for avoiding oil level excessively high, including transformer-cabinet 1, the transformer tank
The inside of body 1 is equipped with fuel tank 2, and the inside of the fuel tank 2 is equipped with liquid level sensor 3, and the side of the fuel tank 2 is equipped with U-tube 4,
The U-tube 4 includes interconnected the first branch pipe 5 and the second branch pipe 6, and the fuel tank 2 is run through at the top of first branch pipe 5
Side outer wall upper end and the fuel tank 2 inside be connected, the bottom of the U-tube 4 is equipped with fuel reserve tank 7, the fuel reserve tank 7
Top is equipped with connecting tube 8, and is connected by the connecting tube 8 with the U-tube 4, and the inside of the fuel reserve tank 7 is equipped with explosion-proof
Case 9, the explosion-proof tank 9 is interior to be equipped with air bag 10, and one end of the air bag 10 is connected with gas-guide tube 11, the side of the fuel reserve tank 7
Equipped with electric air pump 12, the other end of the gas-guide tube 11 is connect with the output end of the electric air pump 12, the gas-guide tube 11
Middle part be connected with bleeder pipe 13, the upper end of the bleeder pipe 13 is equipped with the first solenoid valve 14, and the top of second branch pipe 6 is set
There is circulating pump 15, the bottom of the circulating pump 15 is connected with oil pumping hose 16, and the bottom of the oil pumping hose 16 extends to described
The bottom of second branch pipe 6, the top of the circulating pump 15 are connected with petroleum pipeline 17, and the other end of the petroleum pipeline 17 is through described
It is connected inside the top of fuel tank 2 and the fuel tank 2, the petroleum pipeline 17 is equipped with second solenoid valve 18, the transformer tank
The side inner wall of body 1 is equipped with controller 19, the liquid level sensor 3, electric air pump 12, the first solenoid valve 14, the second electromagnetism
Valve 18 and the circulating pump 15 are electrically connected with the output end of the controller 19.
The side outer wall lower end of the fuel tank 2 is equipped with oil exit pipe 20, and the oil exit pipe 20 is equipped with draining valve 21, described anti-
The outer wall of quick-fried case 9 is uniformly provided with several through-holes 22, and the two sides quadrangle of the explosion-proof tank 9 is respectively and fixedly provided with installation sheet 23, the peace
Load 23 is equipped with a pair of of mounting hole 24, and the explosion-proof tank 9 is fixed on the inner wall of the fuel reserve tank 7 by multiple bolts, institute
The length for stating oil pumping hose 16 is greater than the vertical length of second branch pipe 6, the bottom of the bottom of the U-tube 4 and the fuel tank 2
Portion is located in same level, and the oil exit pipe 20 is set at the one third height of 2 side of fuel tank.
It should be noted that the utility model is a kind of low-tension transformer for avoiding oil level excessively high, when in use, by setting
Liquid level sensor 3 is set, liquid can be worked as by liquid level information real-time transmission to controller 19 by the height of oil level in real-time monitoring fuel tank 2
When position is higher than setting value, oil overflows automatically from fuel tank 2, enters inside U-tube 4 from the first branch pipe 5, and liquid level sensor 3 is by information
It is transferred to controller 19, controller 19 opens the first solenoid valve 14 and deflates, and enters the oil overflowed in fuel reserve tank 7 from connecting tube 8
Portion, when liquid level reaches the standard value of setting, liquid level sensor 3 transfers information to controller 19, and controller 19 closes first
Solenoid valve, air bag 10 keep the volume after deflating, the liquid level in fuel tank 2 are made to maintain setting value；Liquid level in fuel tank 2
Lower than setting value, controller 19 starts electric air pump 12 and works, and so that 10 volume of air bag is become larger, liquid level sensor 3 transmits signal
To controller 19, controller 19 closes electric air pump 12, and air bag 10 keeps the volume after inflation, and controller 19 starts circulating pump 15
Oil in U-tube 4 is extracted to petroleum pipeline 17, second solenoid valve 18 is then controlled and opens, is made in oil injection fuel tank 2, until liquid
Position reaches setting value.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of low-tension transformer for avoiding oil level excessively high, including transformer-cabinet (1), it is characterised in that: the transformer tank
The inside of body (1) is equipped with fuel tank (2), and the inside of the fuel tank (2) is equipped with liquid level sensor (3), and the side of the fuel tank (2) is set
Have U-tube (4), the U-tube (4) includes interconnected the first branch pipe (5) and the second branch pipe (6), first branch pipe (5)
Top be connected through side outer wall upper end and the fuel tank (2) inside of the fuel tank (2), the bottom of the U-tube (4)
Equipped with fuel reserve tank (7), the top of the fuel reserve tank (7) is equipped with connecting tube (8), and passes through the connecting tube (8) and the U-tube
(4) it is connected, the inside of the fuel reserve tank (7) is equipped with explosion-proof tank (9), is equipped with air bag (10) in the explosion-proof tank (9), the gas
One end of capsule (10) is connected with gas-guide tube (11), and the side of the fuel reserve tank (7) is equipped with electric air pump (12), the gas-guide tube
(11) the other end is connect with the output end of the electric air pump (12), is connected with bleeder pipe in the middle part of the gas-guide tube (11)
(13), the upper end of the bleeder pipe (13) is equipped with the first solenoid valve (14), and the top of second branch pipe (6) is equipped with circulating pump
(15), the bottom of the circulating pump (15) is connected with oil pumping hose (16), and the bottom of oil pumping hose (16) extends to described
The bottom of second branch pipe (6) is connected with petroleum pipeline (17) at the top of the circulating pump (15), the other end of the petroleum pipeline (17)
It is connected inside the top of the fuel tank (2) and the fuel tank (2), the petroleum pipeline (17) is equipped with second solenoid valve
(18), the side inner wall of the transformer-cabinet (1) is equipped with controller (19), the liquid level sensor (3), electric air pump
(12), the output end of the first solenoid valve (14), second solenoid valve (18) and the circulating pump (15) with the controller (19)
It is electrically connected.
2. a kind of low-tension transformer for avoiding oil level excessively high according to claim 1, it is characterised in that: the fuel tank (2)
Side outer wall lower end be equipped with oil exit pipe (20), the oil exit pipe (20) be equipped with draining valve (21).
3. a kind of low-tension transformer for avoiding oil level excessively high according to claim 1, it is characterised in that: the explosion-proof tank
(9) outer wall is uniformly provided with several through-holes (22), and the two sides quadrangle of the explosion-proof tank (9) is respectively and fixedly provided with installation sheet (23), institute
It states installation sheet (23) and is equipped with a pair of of mounting hole (24), the explosion-proof tank (9) is fixed on the fuel reserve tank (7) by multiple bolts
Inner wall on.
4. a kind of low-tension transformer for avoiding oil level excessively high according to claim 1, it is characterised in that: the oil pumping hose
(16) length is greater than the vertical length of second branch pipe (6).
5. a kind of low-tension transformer for avoiding oil level excessively high according to claim 1, it is characterised in that: the U-tube (4)
Bottom and the bottom of the fuel tank (2) be located in same level.
6. a kind of low-tension transformer for avoiding oil level excessively high according to claim 2, it is characterised in that: the oil exit pipe
(20) at the one third height of the fuel tank (2) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821879179.2U CN209216689U (en) | 2018-11-15 | 2018-11-15 | A kind of low-tension transformer for avoiding oil level excessively high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821879179.2U CN209216689U (en) | 2018-11-15 | 2018-11-15 | A kind of low-tension transformer for avoiding oil level excessively high |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209216689U true CN209216689U (en) | 2019-08-06 |
Family
ID=67459522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821879179.2U Expired - Fee Related CN209216689U (en) | 2018-11-15 | 2018-11-15 | A kind of low-tension transformer for avoiding oil level excessively high |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209216689U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986907A (en) * | 2019-11-18 | 2020-04-10 | 中建八局第一建设有限公司 | Laser plummet apparatus for axis projection side |
| CN111667984A (en) * | 2020-07-01 | 2020-09-15 | 广东电网有限责任公司 | Pressure regulating device and total station system |
-
2018
- 2018-11-15 CN CN201821879179.2U patent/CN209216689U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986907A (en) * | 2019-11-18 | 2020-04-10 | 中建八局第一建设有限公司 | Laser plummet apparatus for axis projection side |
| CN111667984A (en) * | 2020-07-01 | 2020-09-15 | 广东电网有限责任公司 | Pressure regulating device and total station system |
| CN111667984B (en) * | 2020-07-01 | 2021-07-27 | 广东电网有限责任公司 | Pressure regulating device and total station system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190806 Termination date: 20201115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |