CN105070473A - Electrified oiling device for distribution transformer - Google Patents
Electrified oiling device for distribution transformer Download PDFInfo
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- CN105070473A CN105070473A CN201510530054.3A CN201510530054A CN105070473A CN 105070473 A CN105070473 A CN 105070473A CN 201510530054 A CN201510530054 A CN 201510530054A CN 105070473 A CN105070473 A CN 105070473A
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- oil
- transformer
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- electrified
- distribution transformer
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Abstract
The invention relates to an oiling device, in particular to an electrified oiling device for a distribution transformer. The electrified oiling device can operate in an electrified mode and comprises a first support, a second support and a through hole cone, wherein the through hole cone can be placed on an oil injecting opening in the transformer, and a hollow oil pipe is arranged on the through hole cone. The lower end of the hollow oil pipe is connected with a floating ball, an oil bag is arranged on the first support and connected with a wireless electric oil valve, the wireless electric oil valve is connected with the hollow oil pipe through an insulated soft oil pipe, and a wireless remote control transmission camera capable of shooting the oil-injection condition of the transformer is arranged on the second support. Electrified oiling of the distribution transformer can be achieved, the operation and maintenance level of the transformer is greatly increased, electricity-selling benefits are increased, the oil deficiency condition of the transformer is treated in time, and safe and stable operation of a whole power distribution net is guaranteed.
Description
Technical field
The present invention relates to a kind of refueling device, particularly a kind of can the distribution transformer Electrified oil-charging device of live line working.
Background technology
Along with the fast development of national economy, more and more higher to the requirement of supply of electric power reliability.Certain level has been brought up in the reliability management of distribution facility, mainly to make strict assessment unplanned outage, done a good job of it emphatically the management of maintenance process and repair quality to the reliability management of power supply unit.After distribution transformer oil level declines, not only the sealing and insulation that cause equipment are declined, also will have influence on the operating state of equipment, and even cause the heavy losses of equipment.
The reason causing distribution transformer oil level to decline can be divided into following a few class substantially: (1) seasonal oil level change, and after adjusting oil level summer, autumn, winter reduce because ambient temperature declines; (2) equipment dispatch from the factory or maintenance quality poor, there is apparatus body leakage of oil; (3) because of the change of equipment operating condition, as distribution transformer oil spout etc. occurred when short circuit.
The conventional oiling mode of distribution transformer equipment, pulls open the switch of high-pressure side, low-pressure side, respectively installs one group of earth connection in both sides, then oil filler point is opened with spanner, put funnel, start to fall transformer oil with oil drum, after filling it up with, recover capping, (get rid of the impurity that bubble in oil and rapid refueling rushed in bottom naturally to sink to the bottom, these can affect the insulation property of transformer oil, can cause insulation breakdown time serious to leave standstill a period of time, burn transformer), recover power transmission.Existing oiling mode need drop into a large amount of human and material resources and unplanned equipment interruption duration, safeguards, cause the loss of direct economic loss and social benefit to electric power enterprise to it; And the frequent transmission or not operation brought thus and maintenance, increase the possibility had an accident.
Summary of the invention
According to above the deficiencies in the prior art, technical problem to be solved by this invention is: provide a kind of distribution transformer Electrified oil-charging device, realize the Electrified oil-charging of distribution transformer, greatly improve the O&M level of transformer, improve selling benefit, the transformer of timely process oil starvation, ensures the safe and stable operation of whole power distribution network.
Distribution transformer Electrified oil-charging device of the present invention, comprise the first support, the second support and can be placed on transformer pouring hydraulic fluid port place through hole cone, through hole cone is provided with middle dry pipe, middle dry pipe lower end connects ball float, first support is provided with oil bag, oil bag connects wireless electric fuel tap, and dry pipe during wireless electric fuel tap is connected by insulation consistent lubricant pipe, the second support is provided with the wireless remote control transmission video camera can taking oiling transformer situation.
By the electronic fuel tap of remote-control radio, control beginning and the end of oiling, by the gravity of oil in oil bag, oil is made to be automatically injected in transformer, evenly slow owing to adding speed oil, avoid in oil, being mixed into a large amount of bubbles and impurities at bottom has been rushed, oiling terminates namely to complete whole refueling process, oiling transformer situation can be taken by wireless remote control transmission video camera, the content of shooting can be wirelessly transmitted on receiving equipment, enable staff control oiling process at any time, realize the Electrified oil-charging of distribution transformer, substantially increase the O&M level of transformer.
Described transformer is provided with fire extinguishing ball, and fire extinguishing ball is arranged on insulating support, and this insulating support is the support of epoxide resin material, and fire extinguishing ball can respond to fire automatically, meets the automatic explosive snuffing of fire.
Described transformer is provided with the optical fiber temperature-measurement device of monitoring oil temperature, optical fiber temperature-measurement device comprises optical fiber temperature measuring sensor, LCDs, optical fiber temperature measuring sensor gos deep into below inside transformer oil level, and LCDs display oil temperature is also arranged on and can be transmitted in the scope of video camera shooting by wireless remote control.
Described transformer is provided with the open type temperature detect switch (TDS) that operating value is respectively 120 DEG C and 125 DEG C, operating value is the both sides that transformer low voltage master switch manual brake separating button received respectively by two lead-out wires of the open type temperature detect switch (TDS) of 120 DEG C, operating value is the both sides that transformer high-voltage service entrance switch manual brake separating button received respectively by two lead-out wires of the open type temperature detect switch (TDS) of 125 DEG C, in case inside transformer coil fault or throwing-on cause temperature of oil in transformer to transfinite, when temperature reaches 120 DEG C, the automatic tripping of low pressure master switch, gets rid of load; When temperature continues to raise, the automatic tripping of high pressure master switch, has a power failure transformer.
The first described support, the second support are telescoping shoring column.
The first described support, the second support are looped network resin material.
The first described pedestal upper end is provided with and can does 360 ° of rotating shafts rotated, and rotating shaft connects oil bag by bar.
Described through hole cone is turbination, and through hole cone has air discharge duct.
Compared with prior art, the beneficial effect that the present invention has is:
1, the present invention is by the electronic fuel tap of remote-control radio, avoids staff's manual operation to get an electric shock, can realize the Electrified oil-charging of distribution transformer, greatly improve the O&M level of transformer, improve selling benefit, the transformer of process oil starvation, ensures the safe and stable operation of whole power distribution network in time.
2, oil bag, the first stentplacement are in outdoor, and when the unexpected breaking out of fire of transformer, the oil in oil bag can not be ignited.
3, transmit video camera by wireless remote control, staff near observing in transformer room, need not improve the coefficient of safety in refueling process.
4, use optical fiber temperature-measurement, optical fiber can be high pressure resistant, anti-strong electromagnetic, non-conductive.
5, adopting from gravity olling, eliminate oil pump, without the need to providing power supply (being light current relative 10kV), having accomplished strong and weak electricity isolation, mechanism is simple, and the probability broken down reduces, and reliability is high.
6, the complete insulation against ground of a whole set of refueling device.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is transformer cutaway view;
Fig. 3 is the first supporting structure schematic diagram.
In figure: 1, the first support; 2, oil bag; 3, wireless electric fuel tap; 4, insulate consistent lubricant pipe; 5, transformer; 6, optical fiber temperature-measurement device; 7, oil level indicator; 8, through hole cone; 9, fire extinguishing ball; 10, open type temperature detect switch (TDS); 11, wireless remote control transmission video camera; 12, the second support; 13, transformer coil and iron core; 14, middle dry pipe; 15, ball float; 16, rotating shaft.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described further.
As shown in Figures 1 to 3, this distribution transformer Electrified oil-charging device comprises the first support 1, second support 12 and can be placed on the through hole cone 8 at transformer 5 pouring orifice place, through hole cone 8 is turbination, through hole is bored on 8 inclined-planes and is had air discharge duct, it is PTFE that through hole bores 8 materials, and after the lid on oil filler point takes off, through hole cone 8 can ensure that dust can not enter transformer 5, through hole cone 8 can, as the supporter of insulation consistent lubricant pipe 4, prevent insulation consistent lubricant pipe 4 from contacting earthy transformer 5 shell simultaneously.Through hole 8 centers of boring are provided with middle dry pipe 14, middle dry pipe 14 is marked with scale, and middle dry pipe 14 lower end connects ball float 15, and ball float 15 is PTFE, middle dry pipe 14 runs through ball float, bottom is heavy, and in can ensureing, the outlet of dry pipe 14 is immersed in transformer oil all the time, along with the slowly injection of oil, ball float 15 floats, in promotion, dry pipe 14 floats, and the scale on central dry pipe 14 exposes the top of through hole cone 8, illustrates that oil is filled it up with.
First support 1 is provided with oil bag 2, in oiling process, oil bag 2 becomes flat gradually, can not entrained air, ensure absolute bubble-free, oil bag 2 capacity is customizable, and oil bag 2 connects wireless electric fuel tap 3, dry pipe 14 during wireless electric fuel tap 3 is connected by insulation consistent lubricant pipe 4, second support 12 is placed near transformer 5, which is provided with the wireless remote control transmission video camera 11 can taking transformer 5 oiling situation.First support 1, second support 12 is the telescoping shoring column of looped network resin material.First support 1 upper end is provided with can do 360 ° of rotating shafts 16 rotated, and rotating shaft 16 connects oil bag 2 by bar.
Be provided with transformer coil and iron core 13 in transformer 5, which is provided with the open type temperature detect switch (TDS) 10 that fire extinguishing ball 9, the optical fiber temperature-measurement device 6 of monitoring oil temperature, oil level indicator 7 and operating value are respectively 120 DEG C and 125 DEG C.Fire extinguishing ball 9 is arranged on insulating support, and this insulating support is the support of epoxide resin material, and fire extinguishing ball 9 can respond to fire automatically, meets the automatic explosive snuffing of fire.Optical fiber temperature-measurement device 6 comprises optical fiber temperature measuring sensor, LCDs, and optical fiber temperature measuring sensor gos deep into below the inner oil level of transformer 5, and LCDs display oil temperature is also arranged on and can be transmitted in the scope that video camera 11 takes by wireless remote control.Operating value is the both sides that transformer 5 low pressure master switch manual brake separating button received respectively by two lead-out wires of the open type temperature detect switch (TDS) 10 of 120 DEG C, and operating value is the both sides that transformer 5 high-voltage wire inlet switch manual brake separating button received respectively by two lead-out wires of the open type temperature detect switch (TDS) 10 of 125 DEG C.
The course of work:
1) after the controller switching equipment personnel that make an inspection tour find transformer 5 oil starvation, through site inspection, confirm the model of transformer 5, examine the oil mass needing to inject according to oil level indicator 7, report distribution O&M class, handle controller switching equipment live line working work ticket.
2) wireless remote control is transmitted video camera 11 and place distance transformer 5 about 1 meter of, and open equipment; Be in place by oil bag 2, oil bag 2 and the first support 1 are placed on the outside of switchgear house, with the transformer oil of 2 li, fire-proof light fluid bag, the electronic fuel tap 3 of remote-control radio, tests whether it intact, continues to drain the oil until be full of oil in whole oil pipe, bubble-free, closes wireless electric fuel tap 3.
3) operating personnel dresses labour protection articles for use, stands on insulation cushion and has on insulating gloves, is placed on by fire extinguishing ball 9 on transformer 5 and covers; Two open type temperature detect switch (TDS)s 10 are placed on transformer 5 and cover, and with high and low voltage switch wiring; Optical fiber temperature-measurement device 6 is fixed on transformer 5 upper cover, opens its LCDs.
4) operating personnel uses the spanner of epoxide resin material, unclamps the screw of fixing oil-hole cover, by optical fiber temperature measuring sensor by oil filler point along entering in transformer oil; By eccentric ball float 15 along entering in oil filler point, through hole cone 8 is placed into oil filler point place.
5) operating personnel stands in outdoor, remote control is opened wireless electric fuel tap 3 and is started oiling, hand-held liquid crystal display screen observes oil temperature, oil level change simultaneously, after oil fills, remote closing wireless electric fuel tap 3, brings out ball float 15, through hole cone 8, Fibre Optical Sensor, recover oil-hole cover, take fire extinguishing ball 9, optical fiber temperature-measurement device 6 away, remove two open type temperature detect switch (TDS)s 10 and the line of high and low voltage switch, refuel and terminate.
About 30 minutes approximately consuming time of whole process, adds speed oil equal with common oiling mode, but entirety is consuming time saves 3 and a half hours than common oiling mode.
Claims (8)
1. a distribution transformer Electrified oil-charging device, it is characterized in that: comprise the first support (1), second support (12) and can be placed on transformer (5) pouring orifice place through hole cone (8), through hole cone (8) is provided with middle dry pipe (14), middle dry pipe (14) lower end connects ball float (15), first support (1) is provided with oil bag (2), oil bag (2) connects wireless electric fuel tap (3), dry pipe (14) during wireless electric fuel tap (3) is connected by insulation consistent lubricant pipe (4), second support (12) is provided with wireless remote control transmission video camera (11) can taking oiling transformer situation.
2. distribution transformer Electrified oil-charging device according to claim 1, is characterized in that: described transformer (5) is provided with fire extinguishing ball (9), and fire extinguishing ball (9) is arranged on insulating support.
3. distribution transformer Electrified oil-charging device according to claim 1, it is characterized in that: described transformer (5) is provided with the optical fiber temperature-measurement device (6) of monitoring oil temperature, optical fiber temperature-measurement device (6) comprises optical fiber temperature measuring sensor, LCDs, optical fiber temperature measuring sensor gos deep into below transformer (5) inner oil level, and LCDs display oil temperature is also arranged on and can be transmitted in the scope that video camera (11) takes by wireless remote control.
4. distribution transformer Electrified oil-charging device according to claim 1, it is characterized in that: described transformer (5) is provided with the open type temperature detect switch (TDS) (10) that operating value is respectively 120 DEG C and 125 DEG C, operating value is the both sides that transformer (5) low pressure master switch manual brake separating button received respectively by two lead-out wires of the open type temperature detect switch (TDS) (10) of 120 DEG C, and operating value is the both sides that transformer (5) high-voltage wire inlet switch manual brake separating button received respectively by two lead-out wires of the open type temperature detect switch (TDS) (10) of 125 DEG C.
5. distribution transformer Electrified oil-charging device according to claim 1, is characterized in that: described the first support (1), the second support (12) are telescoping shoring column.
6. distribution transformer Electrified oil-charging device according to claim 5, is characterized in that: described the first support (1), the second support (12) are looped network resin material.
7. distribution transformer Electrified oil-charging device according to claim 1, it is characterized in that: described the first support (1) upper end is provided with can do 360 ° of rotating shafts (16) rotated, and rotating shaft (16) connects oil bag (2) by bar.
8. distribution transformer Electrified oil-charging device according to claim 1, is characterized in that: described through hole cone (8) is turbination, and through hole cone (8) has air discharge duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510530054.3A CN105070473A (en) | 2015-08-26 | 2015-08-26 | Electrified oiling device for distribution transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510530054.3A CN105070473A (en) | 2015-08-26 | 2015-08-26 | Electrified oiling device for distribution transformer |
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| CN105070473A true CN105070473A (en) | 2015-11-18 |
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| CN201510530054.3A Pending CN105070473A (en) | 2015-08-26 | 2015-08-26 | Electrified oiling device for distribution transformer |
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Application publication date: 20151118 |
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| WD01 | Invention patent application deemed withdrawn after publication |