CN216980276U - Transformer maintenance-free respirator - Google Patents
Transformer maintenance-free respirator Download PDFInfo
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- CN216980276U CN216980276U CN202122766946.7U CN202122766946U CN216980276U CN 216980276 U CN216980276 U CN 216980276U CN 202122766946 U CN202122766946 U CN 202122766946U CN 216980276 U CN216980276 U CN 216980276U
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Abstract
The utility model relates to a maintenance-free respirator for a transformer. Including control box and respirator body, the mounting panel is equipped with in the respirator body, both ends respectively have a metal disc about the mounting panel, a heater is respectively equipped with on every side of mounting panel, the mounting panel dustcoat the metal mesh fill moisture absorption silica gel between metal mesh and the mounting panel, the metal mesh dustcoat glass cover, the glass cover is adorned metal baffle outward and is used for the protection, the mounting panel upside is last breathing passageway, go up and breathe passageway in installation valve and the sensor, the sensor top be equipped with the metal flange, the mounting panel downside is breathing passageway and the water collector down, the water collector below is the oil cup. The utility model can filter air impurities and water vapor, can not discharge the water vapor into the transformer during heating, and can not influence the breathing process of the transformer.
Description
Technical Field
The utility model relates to the field of transformer equipment, in particular to a maintenance-free respirator for a transformer.
Background
In an electric power system, a transformer plays roles of power transmission, voltage boosting and reducing, high and low voltage isolation and the like, so the transformer is one of the key factors for determining the safe operation of the electric power system. The transformer is usually filled with mineral oil for insulation and cooling, and the oil level inside the transformer is always in change due to different loads and ambient temperatures, namely, the breathing state can be understood. Transformer respirator also called the silica gel jar installs in transformer breathing passageway, and gaseous magazine and moisture when breathing through filtering the transformer reduce transformer oil's degradation speed, guarantee transformer safety and stability operation. The transformer respirator is a key device of the transformer.
A common transformer breather is in operation for a long time, the phenomenon of moisture absorption and saturation of silica gel inevitably occurs, so that water vapor enters the transformer through the breather to pollute transformer oil, and the insulating property of mineral oil is reduced. Therefore, traditional transformer respirator need frequent silica gel of carrying on to change, very big manpower and financial resources have been wasted, do not conform to current transformer substation unmanned on duty trend. Meanwhile, as the silica gel component contains cobalt chloride, the direct contact with the silica gel can harm the human health; in addition, if the replaced silica gel is not properly treated, the replaced silica gel can cause adverse effects on the personal safety and the environment.
At present, the non-maintaining of respirator has been realized basically to domestic and foreign product, but inside can not compromise impurity in the filtration breathing gas and steam got into the transformer when avoiding heating, heating efficiency is lower in addition, need develop a section can filtered air impurity and steam, can not discharge steam into the transformer when the while heating inside, can not influence the non-maintaining respirator of transformer respiratory process simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a maintenance-free breather for a transformer, which aims to solve the problems in the prior art.
The technical scheme of the utility model is as follows: the utility model provides a transformer non-maintaining respirator, includes control box and respirator body, the mounting panel is equipped with in the respirator body, both ends respectively have a metal disc about the mounting panel, a heater is respectively equipped with on every side of mounting panel, the mounting panel dustcoat the metal mesh fill moisture absorption silica gel between metal mesh and the mounting panel, the glass cover is covered to the metal mesh dustcoat, the glass cover is adorned metal baffle outward and is used for the protection, the mounting panel upside is breathing channel, go up and breathe channel in installation valve and the sensor, the sensor top be equipped with the metal flange, the mounting panel downside is breathing channel and water collector down, the water collector below is the oil cup.
Preferably, the mounting panel divide into three, and three mounting panels are the star welding, and piece contained angle are 120, the mounting panel is aluminium system mounting panel.
Preferably, the heater is divided into three pieces, and the three pieces are respectively and tightly mounted on the mounting plate.
Preferably, the metal net is made of stainless steel, is cylindrical and covers the mounting plate, and the diameter of the metal net is matched with that of the metal discs at two ends of the mounting plate.
Preferably, the sensor includes a temperature and humidity sensor and a pressure sensor.
Preferably, the valve is an electronic ball valve and is controlled by the control box.
Preferably, the metal flange is an aluminum metal flange and can be perfectly matched with a breathing channel on the transformer for installation.
Preferably, the lower breathing passage is a hollow cylinder, an oil cup is installed below the hollow cylinder, and the hollow cylinder is immersed in the cup body of the oil cup 2/3.
Preferably, the water collector is conical and made of aluminum, and a drain hole is formed in the bottom of the water collector.
Preferably, the control box comprises a control system, a liquid crystal display screen and an indicator light, wherein the liquid crystal display screen can display the temperature and humidity and the breathing state of the transformer and can set the heating mode; the sensor, the heater and the signal and power lines of the valve are all connected to a control box.
The utility model has the beneficial effects that: the moisture of the moisture absorption silica gel is automatically removed by heating; acquiring the operation rule of the transformer by acquiring temperature, humidity and pressure signals, avoiding operating a heating program when the transformer breathes and ensuring that heated water vapor does not enter the interior of the transformer; meanwhile, the running state of the transformer and the heating state of the silica gel are communicated and transmitted to a remote control computer and displayed on a liquid crystal screen of the control box.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of the mounting plate.
In the figure, 1 is a metal flange, 2 is a valve and a sensor, 3 is an upper breathing channel, 4 is a metal baffle, 5 is a glass cover, 6 is a metal mesh, 7 is hygroscopic silica gel, 8 is a heater, 9 is a mounting plate, 10 is a single-phase valve, 11 is a lower breathing channel, 12 is a water collector, 13 is an oil cup, 14 is transformer oil, 15 is a control box, and 16 is a signal and power line.
Detailed Description
A maintenance-free respirator for a transformer comprises a control box 15 and a respirator body, wherein a mounting plate 9 is arranged in the respirator body, metal discs are arranged at the upper end and the lower end of the mounting plate 9 respectively, a heater 8 is arranged on each side of the mounting plate 9, a metal mesh 6 is covered on the mounting plate 9, moisture absorption silica gel 7 is filled between the metal mesh 6 and the mounting plate 9, a glass cover 5 is covered on the metal mesh 6, a metal baffle 4 is arranged outside the glass cover 5 for protection, the metal baffle 4 is cylindrical and made of stainless steel, the size of the metal baffle is slightly larger than that of the glass cover 5, the metal baffle 4 is arranged outside the glass cover 5, an upper breathing channel 3 is arranged on the upper side of the mounting plate 9, the upper breathing channel 3 is horn-shaped and made of aluminum, a valve and a sensor 2 are arranged in the upper breathing channel 3, and a metal flange 1 is arranged above the sensor, the mounting panel 9 downside is breathing passageway 11 and water collector 12 down, water collector 12 below is oil cup 13.
The mounting panel 9 divide into three, and three mounting panels 9 are the star welding, and the contained angle between piece and the piece is 120, mounting panel 9 is the aluminium system mounting panel.
The heater 8 is divided into three pieces which are respectively and closely arranged on the three mounting plates 9.
The metal net 6 is made of stainless steel and is cylindrical, the metal net covers the mounting plate 9, and the diameter of the metal net 6 is matched with that of metal discs at two ends of the mounting plate 9.
The glass cover 5 is cylindrical, has a diameter larger than that of the metal net 6, and covers the metal net 6.
The sensor comprises a temperature and humidity sensor and a pressure sensor.
The valve is an electronic ball valve and is controlled by the control box 15.
The metal flange 1 is an aluminum metal flange and can be perfectly matched with the upper breathing passage 3 of the transformer.
The lower breathing passage 11 is a hollow cylinder, an oil cup 13 is installed below the hollow cylinder, and the hollow cylinder is immersed under the transformer oil 14 of 2/3 cup bodies of the oil cup 13.
The water collector 12 is conical and made of aluminum, and a drain hole is formed in the bottom of the water collector 12.
The working process of the utility model is as follows: when the temperature and humidity control device is used, a power supply of the control box 15 is started, the control box 15 comprises a control system, a liquid crystal display screen and an indicator light, and the liquid crystal display screen can display the temperature and humidity and the breathing state of the transformer and can set the heating mode; the signals and power lines 16 for the sensor, the heater 8 and the valve are all connected to a control box 15. The system firstly carries out self-detection, starts to operate if no fault exists, detects and judges whether the moisture content in the upper breathing channel 3 exceeds a certain standard, simultaneously starts to detect the breathing condition of the transformer, and closes the electronic ball valve and starts the heater 8 to remove water from the moisture-absorbing silica gel 7 if the moisture content exceeds the standard; if the fault occurs, the fault lamp is turned on and is transmitted to the remote computer through communication.
Claims (10)
1. The utility model provides a transformer non-maintaining respirator which characterized in that: comprises a control box (15) and a respirator body, wherein the respirator body is internally provided with a mounting plate (9), the upper end and the lower end of the mounting plate (9) are respectively provided with a metal disc, each surface of the mounting plate (9) is respectively provided with a heater (8), the mounting plate (9) is covered with a metal net (6), moisture absorption silica gel (7) is filled between the metal net (6) and the mounting plate (9), the metal net (6) is covered by a glass cover (5), the glass cover (5) is externally provided with a metal baffle (4) for protection, an upper breathing passage (3) is arranged on the upper side of the mounting plate (9), a valve and a sensor (2) are arranged in the upper breathing passage (3), sensor top be equipped with metal flange (1), mounting panel (9) downside is breathing passageway (11) and water collector (12) down, water collector (12) below is oil cup (13).
2. The transformer maintenance-free respirator of claim 1, wherein: mounting panel (9) divide into three, and three mounting panel (9) are the star welding, and piece contained angle are 120, mounting panel (9) are the aluminium system mounting panel.
3. The maintenance-free respirator of transformer of claim 1, characterized in that: the heater (8) is divided into three pieces which are respectively and tightly attached to the mounting plate (9).
4. The transformer maintenance-free respirator of claim 1, wherein: the metal net (6) is made of stainless steel and is cylindrical, the metal net covers the mounting plate (9), and the diameter of the metal net (6) is matched with the metal discs at the two ends of the mounting plate (9).
5. The maintenance-free respirator of transformer of claim 1, characterized in that: the sensor comprises a temperature and humidity sensor and a pressure sensor.
6. The maintenance-free respirator of transformer of claim 1, characterized in that: the valve is an electronic ball valve and is controlled by the control box (15).
7. The maintenance-free respirator of transformer of claim 1, characterized in that: the metal flange (1) is an aluminum metal flange and can be perfectly matched with the upper breathing passage (3) of the transformer for installation.
8. The maintenance-free respirator of transformer of claim 1, characterized in that: the lower breathing passage (11) is a hollow cylinder, an oil cup (13) is arranged below the hollow cylinder, and the hollow cylinder is immersed in the 2/3 cup body of the oil cup (13).
9. The maintenance-free respirator of transformer of claim 1, characterized in that: the water collector (12) is conical and made of aluminum, and a drain hole is formed in the bottom of the water collector (12).
10. The transformer maintenance-free respirator of claim 1, wherein: the control box (15) comprises a control system, a liquid crystal display screen and an indicator light, wherein the liquid crystal display screen can display the temperature and humidity and the breathing state of the transformer and can set the heating mode; the signal and power lines (16) of the sensor, the heater (8) and the valve are all connected to a control box (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122766946.7U CN216980276U (en) | 2021-11-12 | 2021-11-12 | Transformer maintenance-free respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122766946.7U CN216980276U (en) | 2021-11-12 | 2021-11-12 | Transformer maintenance-free respirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216980276U true CN216980276U (en) | 2022-07-15 |
Family
ID=82344166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122766946.7U Active CN216980276U (en) | 2021-11-12 | 2021-11-12 | Transformer maintenance-free respirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216980276U (en) |
-
2021
- 2021-11-12 CN CN202122766946.7U patent/CN216980276U/en active Active
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