CN211555640U - Be applied to device of transformer capsule conservator - Google Patents
Be applied to device of transformer capsule conservator Download PDFInfo
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- CN211555640U CN211555640U CN202020275490.7U CN202020275490U CN211555640U CN 211555640 U CN211555640 U CN 211555640U CN 202020275490 U CN202020275490 U CN 202020275490U CN 211555640 U CN211555640 U CN 211555640U
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Abstract
The utility model discloses a device applied to a capsule oil conservator of a transformer, which comprises a gas driving mechanism, a control mechanism, a pressure sensor, a panel and a pipeline system; the motor of the gas driving mechanism is connected with the air compression device and the vacuumizing device in a mechanical connection mode, and the air compression device and the vacuumizing device are connected to the pipeline system; the control mechanism comprises a PLC, an energy supply part and an auxiliary element, wherein the energy supply part is connected with the PLC, and the PLC is connected with a motor of the gas driving mechanism through the auxiliary element; two interfaces of the pressure sensor are respectively connected with the pipeline system and the panel; the panel is a touch screen, one side of an air compression device shutoff valve of the pipeline system is connected with the air compression device, the other side of the air compression device shutoff valve of the pipeline system is connected with the pressure-bearing pipeline, one side of a vacuumizing device shutoff valve is connected with the vacuumizing device, the other side of the vacuumizing device shutoff valve is connected with the pressure-bearing pipeline, the tail end of the pressure-bearing pipeline is connected with a flange, and the device is connected with the conservator through the flange.
Description
Technical Field
The utility model relates to a be applied to device of transformer capsule conservator belongs to the transformer field.
Background
The oil conservator is an essential accessory of the large-capacity transformer, a capsule oil conservator is used for part of the transformers, and the oil level gauge matched with the capsule oil conservator is mainly a pointer type oil level gauge. Common defects of the capsule conservator in operation include capsule breakage, inaccurate oil level indicator indication, bending of an oil level indicator connecting rod and breakage of an oil level indicator floating ball. When the capsule is broken on site, the common method is to discharge the oil in the conservator, connect a pressure gas cylinder from a breather connecting pipe, inflate the capsule by using the gas cylinder, close a gas cylinder inflation valve after certain air pressure is achieved, and judge whether the capsule is broken by observing whether the air pressure in the capsule is reduced.
The oil level gauge and the floating ball of the oil level gauge are connected through the oil level gauge connecting rod, any one of the three parts needs to be discharged when in-situ maintenance is carried out, then the three parts are disassembled as a whole, and the oil level gauge is assembled after the maintenance is finished. When the oil level gauge, the oil level gauge connecting rod and the oil level gauge floating ball are detached, no oil exists in the oil conservator, the capsule is unfolded under the action of gravity, the oil level gauge floating ball and the oil level gauge connecting rod are pressed to the lowest part of the oil conservator through the capsule, and the detaching difficulty is large. When the oil level gauge, the oil level gauge connecting rod and the oil level gauge floating ball are reloaded, the capsule needs to be stretched into a crowbar to lift the capsule due to the fact that the capsule is in the unfolded state, space for the oil level gauge connecting rod and the oil level gauge floating ball is reserved, then the oil level gauge connecting rod and the oil level gauge floating ball can be placed into an oil conservator, and the work needs two persons to be matched on an overhead working truck to complete the work.
Currently, the method for filling the oil into the capsule conservator is to fill the oil through an oil filling port, connect a pressure gas cylinder from a breather connecting pipe, charge the capsule with the gas cylinder, close the gas cylinder after the oil is uniformly discharged from an exhaust port of the conservator, then close the exhaust port, discharge the air in the conservator, and ensure that an oil level gauge indicates the real oil level.
In conclusion, whether the capsule is broken or not is checked according to the existing means, the capsule conservator is filled with oil and a pressure gas cylinder is used, the pressure gas cylinder belongs to special equipment, the transportation, storage and use conditions are strict, and accidents can be induced due to poor management. The oil level gauge, the oil level gauge connecting rod and the oil level gauge floating ball are difficult to detach and reinstall, the oil level gauge floating ball and the oil level gauge connecting rod are easily damaged by being pressed by the capsule, and particularly, the capsule is also easily damaged when the capsule is lifted by a crowbar during reinstalling.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the drawback of current transformer capsule conservator means of maintenance, a device for transformer capsule conservator is provided, the device is put into operation the back, can make the capsule be in the contraction state through the method of evacuation when oil level gaugember, oil level gaugember connecting rod, oil level gaugember floater are overhauld, vacate sufficient space for dismantling and repacking oil level gaugember connecting rod, oil level gaugember floater, not only can practice thrift the manpower, material resources, shorten operating time, and can effectively protect oil level gaugember connecting rod, oil level gaugember floater, the capsule does not receive the damage moreover. When the capsule conservator is filled with oil, the device can replace a pressure gas cylinder to inflate the capsule and discharge air between the conservator shell and the insulating oil, so that the oil level is ensured to be normally displayed. The inflation of the bladder of the conservator by the device can be used to check whether the bladder is damaged or not. After the device for the transformer capsule oil conservator is popularized and applied, the defects of the traditional maintenance method can be effectively overcome, the working efficiency is improved, and the field popularization prospect is good.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a device applied to a capsule conservator of a transformer comprises a gas driving mechanism, a control mechanism, a pressure sensor, a panel and a pipeline system;
the gas driving mechanism includes: the vacuum pump comprises an air compression device, a vacuumizing device and a motor, wherein the motor is connected with the air compression device and the vacuumizing device in a mechanical connection mode, and the air compression device and the vacuumizing device are connected to a pipeline system;
the control mechanism includes: the gas drive mechanism comprises a PLC, an energy supply part and an auxiliary element, wherein the auxiliary element comprises a connecting flat cable, a relay and a contactor, the energy supply part is connected with the PLC and supplies power to the PLC, and the PLC is connected with a motor of the gas drive mechanism through the auxiliary element and controls the motor to work;
two interfaces of the pressure sensor are respectively connected with the pipeline system and the panel;
the panel includes: display screen, the start button, stop button, total power switch, total power air switch, the operating mode selection button, the power cord jack in proper order with total power switch, total power air switch, start button, stop button series connection, the inside node of start button is normally open node, the inside node of stop button is normally closed node, it is the device energy supply to exchange commercial power through the power cord jack, panel and pressure sensor, PLC, the energy supply part is connected, the display screen is the touch screen, be used for showing operating mode, the real-time pressure value, and be used for setting up the pressure threshold value.
The piping system includes: the device comprises a flange, a pressure-bearing pipeline, an air compressor shutoff valve and a vacuumizing device shutoff valve, wherein one side of the air compressor shutoff valve is connected with the air compressor, the other side of the air compressor shutoff valve is connected with the pressure-bearing pipeline, one side of the vacuumizing device shutoff valve is connected with the vacuumizing device, the other side of the vacuumizing device shutoff valve is connected with the pressure-bearing pipeline, the tail end of the pressure-bearing pipeline is connected with the flange, and the device is connected with a conservator through the flange.
And the motor of the gas driving mechanism is respectively connected to the air compression device and the vacuum pumping device to work.
The air compression device shutoff valve, the vacuumizing device shutoff valve and the flange are connected in a three-way mode.
Control mechanism energy supply part is connected with PLC, and PLC is connected with the panel, and PLC is connected with auxiliary element simultaneously, and auxiliary element is connected with the motor, and PLC is connected to motor and driving motor through auxiliary element.
Drawings
FIG. 1 is a schematic view showing the structure of a capsule conservator for a transformer of the present invention;
FIG. 2 is a schematic diagram of the operation of checking whether the oil conservator of the capsule is broken;
FIG. 3 is a schematic diagram of the oil level gauge and its attachment mounting and dismounting operation;
FIG. 4 is a working principle diagram of oil adding and air exhausting.
Detailed Description
The detailed structure and the working principle of the device applied to the capsule conservator of the transformer of the present invention are described in detail with reference to the accompanying drawings.
As shown in the attached figure 1, the pipeline system of the device applied to the capsule conservator of the transformer comprises a flange 01, a pressure-bearing pipeline 02, an air compression device shutoff valve 03 and a vacuum pumping device shutoff valve 04, a gas driving mechanism comprises an air compression device 05, a vacuum pumping device 06 and a motor 07, a control mechanism comprises an auxiliary element 08, a PLC09, an energy supply part 10 and a pressure sensor 11, and a panel comprises a display screen 12, a start button 13, a stop button 14, a main power knife switch 15, a main power air switch 16, a working mode selection button 17 and a power line jack 18.
One side of a pipeline system flange 01 is connected with a pressure-bearing pipeline 02, the other side of the pipeline system flange is connected with a conservator respirator when the device works, one sides of an air compression device shutoff valve 03 and a vacuumizing device shutoff valve 04 are connected with the pressure-bearing pipeline 02, and the other sides of the air compression device shutoff valve 03 and the vacuumizing device shutoff valve 04 are respectively connected with an air compression device 05 and a vacuumizing device 06 of a gas driving mechanism.
The air compression device 05 and the vacuum extractor 06 of the air driving mechanism are connected with the motor 07.
The control mechanism energy supply part 10 is connected with the PLC09 and provides working power supply for the PLC, the PLC09 is connected with the panel and receives panel commands, meanwhile, the PLC09 is connected with the auxiliary element 08, the auxiliary element 08 is connected with the motor 07, and the PLC09 drives the motor 07 to work through the auxiliary element 08.
The pressure sensor 11 is connected with the pipeline system on the side of sensing pressure, and the panel on the side of electrical signal.
The panel display 12 is connected with the pressure sensor 11, the PLC09, the power supply part 10 and the working mode selection button 17, and the power line jack 18 is connected with the main power knife switch 15, the main power air switch 16, the start button 13 and the stop button 14 in series in sequence.
As shown in fig. 2, a capsule 20 of the capsule conservator is placed in a metal shell 19 of the capsule conservator and hung on the upper wall of the metal shell 19 through a hook 22, transformer oil is filled between the capsule 20 of the capsule conservator and the metal shell 19 of the capsule conservator in normal operation, an exhaust hole 21 is reserved above the metal shell 19 of the capsule conservator, a breathing pipe 24 of the capsule conservator is communicated with the interior of the capsule through an internal soft connecting pipe 23, the capsule conservator is connected with a transformer body through a main oil pipe 25, a butterfly valve 26 is installed between the main oil pipe 25 and the transformer body, an oil level gauge floating ball 27 is mechanically connected with an oil level gauge 29 through an oil level gauge connecting rod 28, the oil level gauge floating ball 27 and the oil level gauge connecting rod 28 are installed in the metal shell 19 of the capsule conservator and are in contact with the transformer oil, the oil level gauge 29 is installed outside the metal shell 19 of the capsule conservator, the position of the oil, the oil level indicator 29 is driven by the oil level indicator connecting rod 28 to change the position, so that the oil level can be indicated in real time.
When the capsule of inspection capsule conservator has the fracture, at first emit the transformer oil in the conservator entirely, then close butterfly valve 26, open exhaust hole 21, will the utility model relates to a be applied to on connecting flange 01 of the device of transformer capsule conservator is connected to the respiratory tube 24 of capsule conservator, starting drive selects the compressed air mode, fills the compressed air of certain pressure for the capsule through the device, makes the capsule be in the expansion state, and inside keeps certain malleation, whether the pressure indication of stopping pressurize viewing device has the trend that reduces to this capsule of judging capsule conservator has the fracture.
As shown in fig. 3, when any one of the floating ball 27, the connecting rod 28 and the oil level gauge 29 is overhauled, the transformer oil in the conservator is firstly put below the position of the oil level gauge, then the butterfly valve 26 is closed, the vent hole 21 is opened, and the utility model relates to a connecting flange 01 of a device applied to a transformer capsule conservator is connected to the breathing pipe 24 of the capsule conservator, the starting device selects the vacuum pumping mode, the air in the capsule 20 is pumped out through the device, so that the capsule 20 is in the contraction state, at the moment, the capsule 20 is not contacted with the floating ball 27 of the oil level gauge, and the floating ball 27 and the connecting rod 28 of the oil level gauge have a certain free space inside the conservator, and can be easily disassembled and assembled.
When the transformer is filled with oil through the conservator, as shown in fig. 4, air in the pipeline is filled into an oil space between the capsule 20 and the metal shell 19 of the conservator of the capsule, and the air can accelerate the degradation process of insulating oil on one hand and cause the indicated position of the oil level gauge to be inconsistent with the actual oil level, namely, a false oil level can occur on the other hand. After the oil adding work, will the utility model relates to a be applied to flange 01 of device of transformer capsule conservator is connected to the respiratory tube 24 of capsule conservator on, opens exhaust hole 21, starting drive, selects the compressed air mode, makes capsule 20 volume swell through the device, discharges the air through exhaust hole 21, treats exhaust hole 21 and evenly discharges the closing device behind the oil, closes exhaust hole 21, ensures that the oil level gaugement instructed value accords with true oil level.
The utility model discloses whether be applied to the capsule that can inspect the capsule conservator after the device of transformer capsule conservator is thrown and is broken, can provide sufficient working space when can overhauing for any part of oil level gaugember floater, oil level gaugember connecting rod, oil level gaugember, can guarantee that the oil level indicates the accuracy as the exhaust apparatus after the benefit refuels, belongs to a transformer capsule conservator multipurpose device.
Although illustrative embodiments of the invention have been described above to facilitate the understanding of the invention by those skilled in the art, it should be understood that the invention is not limited to the scope of the embodiments, and that changes may be made apparent to those skilled in the art without departing from the spirit and scope of the invention as defined and defined by the appended claims.
Claims (4)
1. The utility model provides a be applied to device of transformer capsule conservator, includes gaseous actuating mechanism, control mechanism, pressure sensor, the panel, pipe-line system, its characterized in that:
the gas driving mechanism includes: the vacuum pump comprises an air compression device, a vacuumizing device and a motor, wherein the motor is connected with the air compression device and the vacuumizing device in a mechanical connection mode, and the air compression device and the vacuumizing device are connected to a pipeline system;
the control mechanism includes: the gas drive mechanism comprises a PLC, an energy supply part and an auxiliary element, wherein the auxiliary element comprises a connecting flat cable, a relay and a contactor, the energy supply part is connected with the PLC and supplies power to the PLC, and the PLC is connected with a motor of the gas drive mechanism through the auxiliary element and controls the motor to work;
two interfaces of the pressure sensor are respectively connected with the pipeline system and the panel;
the panel includes: the power supply device comprises a display screen, a starting button, a stopping button, a main power switch, a main power air switch, a working mode selection button and a power line jack, wherein the power line jack is sequentially connected with the main power switch, the main power air switch, the starting button and the stopping button in series;
the piping system includes: the device comprises a flange, a pressure-bearing pipeline, an air compressor shutoff valve and a vacuumizing device shutoff valve, wherein one side of the air compressor shutoff valve is connected with the air compressor, the other side of the air compressor shutoff valve is connected with the pressure-bearing pipeline, one side of the vacuumizing device shutoff valve is connected with the vacuumizing device, the other side of the vacuumizing device shutoff valve is connected with the pressure-bearing pipeline, the tail end of the pressure-bearing pipeline is connected with the flange, and the device is connected with a conservator through the flange.
2. The device as claimed in claim 1, wherein the motor of the gas driving mechanism is connected to the air compressing device and the vacuum pumping device respectively.
3. The device as claimed in claim 1, wherein the air compressor shut-off valve, the vacuum pumping device shut-off valve and the flange are connected in a three-way manner.
4. The apparatus as claimed in claim 1, wherein the control mechanism power supply part is connected to a PLC, the PLC is connected to the panel, the PLC is connected to an auxiliary member, the auxiliary member is connected to the motor, and the PLC is connected to the motor through the auxiliary member and drives the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020275490.7U CN211555640U (en) | 2020-03-02 | 2020-03-02 | Be applied to device of transformer capsule conservator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020275490.7U CN211555640U (en) | 2020-03-02 | 2020-03-02 | Be applied to device of transformer capsule conservator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211555640U true CN211555640U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020275490.7U Active CN211555640U (en) | 2020-03-02 | 2020-03-02 | Be applied to device of transformer capsule conservator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211555640U (en) |
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2020
- 2020-03-02 CN CN202020275490.7U patent/CN211555640U/en active Active
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