CN213400802U - Take exempt from to tear open formula transformer respirator of differential pressure gauge - Google Patents
Take exempt from to tear open formula transformer respirator of differential pressure gauge Download PDFInfo
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- CN213400802U CN213400802U CN202022820030.0U CN202022820030U CN213400802U CN 213400802 U CN213400802 U CN 213400802U CN 202022820030 U CN202022820030 U CN 202022820030U CN 213400802 U CN213400802 U CN 213400802U
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- differential pressure
- pressure gauge
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Abstract
The utility model discloses a take exempt from to tear open formula transformer respirator of differential pressure gauge, including the respirator body, respirator body top is provided with the differential pressure gauge, respirator body below is provided with the oil blanket cup. The utility model has the advantages that: the heavy gas protection of the transformer does not need to be withdrawn in the whole silica gel replacing process, so that the safety risk that the transformer needs to be withdrawn in the heavy gas protection in the silica gel replacing process is solved; the whole process of the device is simple and convenient, the operation is easy, and the replacement time is shortened to 1/3; the operating time of changing silica gel of main breather that becomes has been shortened greatly has improved work efficiency, has reduced intensity of labour, and the corrosion and the broken problem of breather have been avoided to the whole 304 stainless steel materials that adopt of this design.
Description
Technical Field
The utility model relates to a power equipment technical field, concretely relates to take exempt from to tear open formula transformer respirator of differential pressure gauge.
Background
Heavy gas protection belongs to one of main protection of the transformer, and the shorter the exit time is, the lower the safe operation risk of the transformer is. Most respirator does not have independent charge door and discharge gate at present, need dismantle respirator jar body whole when changing silica gel, carry out silica gel again and change, jar body bottom is planar design usually, and easy adhesion is at the inner wall behind the silica gel absorption moisture, difficult clearance, and whole process is consuming power consuming time, changes the whole journey and need withdraw from transformer heavy gas protection, has brought certain safety risk for the main transformer.
In the routine maintenance of the traditional transformer, the replacement of the silica gel of the transformer respirator is an important item. When the silica gel is replaced, the heavy gas protection of the transformer needs to be withdrawn, so that the heavy gas protection misoperation is prevented.
In order to improve the replacement speed of the silica gel and avoid quitting heavy gas protection in the replacement process, the safety risk that the transformer loses the heavy gas protection in the silica gel replacement process is fundamentally solved, independent feed inlets and discharge outlets are designed for the respirator, the silica gel can be replaced without integrally dismounting the respirator in the replacement process, the replacement efficiency is improved, the pressure difference between the external environment and the inside of the conservator is monitored in real time by using a differential pressure gauge, the heavy gas protection of the transformer does not need to quit in the whole process within a reasonable range when the internal and external differential pressures are different, and the safety risk caused by quitting the heavy gas protection is fundamentally.
Consequently, need design the exempt from to tear open formula transformer respirator of taking differential pressure gauge, aim at solves among the prior art respirator silica gel replacement time long, the defect that becomes the risk height in the change process.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solves among the prior art respirator silica gel change time long, changes the problem that the in-process owner becomes the risk height.
The utility model discloses a following technical scheme realizes:
the non-dismantling transformer respirator with the differential pressure gauge comprises a respirator body, wherein the differential pressure gauge is arranged at the top of the respirator body, and an oil seal cup is arranged below the respirator body.
The prior art is that traditional transformer respirator need tear the respirator wholly from flange open when changing silica gel, disassemble the respirator wholly, assemble the respirator again after changing silica gel, finally adorn flange with the respirator, the process is consuming time the overlength. In the operation process of the main transformer, the silica gels are mutually adhered after absorbing moisture, when respiration occurs, oil in the oil seal cup is sucked into the respirator to soak the silica gel at the bottom, so that the silica gel is easily attached to the inner wall of the respirator, and in addition, the bottom of the respirator is designed to be a plane, so that the adhered silica gel is easily remained when being replaced, and meanwhile, an independent feed port is not provided, so that the replacement time is prolonged;
the existing respirator has no independent feeding hole (an inlet for adding silica gel), the feeding hole and the gas channel are commonly shared in the prior art, and when the silica gel is replaced, the respirator needs to be integrally disassembled, so that the replacement time is too long; at present, part of respirators have independent feed inlets and discharge ports, but the bottom of the respirator is designed in a plane, residues exist when silica gel is replaced, the respirator is inconvenient to clean, replacement time is long, replacement of silica gel by all respirators needs to quit heavy gas protection, and the problem that a main transformer loses main protection measures cannot be fundamentally solved.
The heavy gas protection must be withdrawn from the existing respirator in the replacement process, and the main transformer loses the main protection and faces larger operation risks.
And the utility model discloses an install the differential pressure gauge additional at the respirator top, monitoring transformer internal pressure combines the performance of transformer oil in the oil cup, judges whether unobstructed with the gas passage of conservator of transformer, utilizes differential pressure gauge real time monitoring external environment and the inside pressure differential of conservator, and the whole process need not to withdraw from the heavy gas protection of transformer at reasonable within range when inside and outside differential pressure, has solved the transformer and has need to withdraw from the safe risk of heavy gas protection at the change silica gel in-process.
The utility model discloses a preferred take exempting from to tear open formula transformer respirator of differential pressure gauge, respirator body is inside to be provided with the gas passage, the gas passage extends to in the oil blanket cup, respirator body upper portion is provided with the feed inlet, the feed inlet sets up with gas passage separation;
the independent feed inlet of gas passage next door design separates gas passage and feed inlet to with the function independence, avoid silica gel to change in-process dismouting respirator, only need install additional to silica gel through the feed inlet.
The utility model discloses preferably a take exempt from to tear open formula transformer respirator of differential pressure gauge, the respirator passes through the detachable connection oil blanket cup of connection pad, the oil blanket cup is below the connection pad, respirator inside pneumatic tube is connected to differential pressure gauge one end, respirator inside pneumatic tube is connected above the respirator, the other end of differential pressure gauge is connected outside pneumatic tube;
the oil seal cup and the respirator are directly connected through screws, are influenced by the surrounding environment, and are easy to corrode the screws, narrow in mounting position, inconvenient to use when disassembling the screws due to the fact that the screws are time-consuming and labor-consuming. The connecting disc is designed at the bottom of the oil seal cup and the respirator, the connecting disc is used as the middle part to connect the oil seal cup with the bottom of the respirator, the connecting disc is connected with the respirator and the oil seal cup through screw threads, the design helps workers to disassemble and install the oil seal cup without using any tool, the oil seal cup is only required to be unscrewed from the connecting disc (the oil cup mounting seat), the replacement time is greatly shortened, and meanwhile, air holes are designed on the inner side of the connecting disc, so that the inside and outside air exchange is facilitated.
The utility model discloses a preferred non-dismantling transformer respirator with differential pressure gauge, the outer side wall of the respirator is provided with an observation window;
the observation window is used for better monitoring the inner condition at the outer part.
The utility model discloses prefer a non-dismantling transformer respirator with differential pressure gauge, the respirator is provided with a bottom discharge port below, the bottom discharge port is provided with a filter screen, and two sides of the bottom discharge port are provided with oil cup fixing seats;
the upper part of the respirator is provided with a connecting flange.
The utility model discloses a preferred non-dismantling transformer respirator of taking differential pressure gauge, the oil blanket cup rim of a cup is provided with the sealing washer, the sealing washer cooperates the flange joint with the oil cup fixing base;
the sealing ring is matched with the oil cup fixing seat and is connected with the flange better for connection.
The utility model discloses a preferred non-dismantling transformer respirator of taking differential pressure gauge, gas channel is provided with the gas pocket, the gas pocket is located the oil blanket cup, is the shape of falling L setting, gas channel adopts 304 stainless steel to make;
the connecting disc air hole channel is not straight line, but is bent into L shape, rainwater can not directly flow into the oil seal cup, and therefore the structural design of the air hole air channel has a waterproof function.
The utility model discloses a preferred non-dismantling transformer respirator with differential pressure gauge, the bottom of the respirator is funnel-shaped, and the included angle between the bottom inclination and the horizontal plane is 45-60 degrees;
the bottom of the respirator is designed to be funnel-shaped, the included angle between the bottom inclination and the horizontal plane is 45-60 degrees, and the silica gel flows out naturally under the action of gravity and is influenced by the funnel-shaped structural design at the bottom of the respirator, so that the silica gel is prevented from being remained, the replacement speed is increased, the replacement link is reduced, and the cleaning time of the residual silica gel is completely saved.
The utility model discloses a preferred take exempting from to tear open formula transformer respirator of differential pressure gauge, bottom discharge gate department is provided with the silica gel shell, silica gel granule is filled in the silica gel shell;
change silica gel only needs to unscrew oil cup flange, emits allochroic silica gel from leaking hopper-shaped bottom, puts the back and screws up the connection pad, then unscrews the charge door sealed lid, pours into new silica gel, screws up the charge door sealed lid after adding the right amount, accomplishes the silica gel and changes promptly.
The utility model discloses a preferred non-dismantling transformer respirator with differential pressure gauge, the connection pad is connected with the respirator and the oil seal cup by screw thread;
connection pad both ends design and are connected for the screw thread, the independent discharge gate of respirator bottom design, and with the bottom design for leaking hopper-shaped, there is remaining silica gel behind the silica gel of avoiding releasing, whole change process need not to pull down respirator from last flange department, more need not wholly disassemble the respirator, the equipment, only need twist off oil cup flange, emit allochroic silica gel from leaking hopper-shaped bottom, twist on oil cup flange after putting, then twist off the sealed lid of charge door, pour into new silica gel, twist on the sealed lid of charge door after adding appropriate amount, accomplish the silica gel and change promptly. The whole process is simple and easy to operate, and the replacement time is shortened to 1/3.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model relates to a take exempt from to tear open formula transformer respirator of differential pressure gauge, shorten transformer respirator silica gel change time problem, through the independent feed inlet of design, the discharge gate, increase the connection pad between oil blanket cup and respirator, the connection pad both ends design is the screw thread and connects, the independent discharge gate of respirator bottom design, and with the bottom design for leaking hopper-shaped, there is remaining silica gel behind the silica gel of avoiding releasing, whole change process need not to pull down respirator from the upper flange department, more need not wholly disassemble the respirator, the equipment, only need to twist off oil cup flange, emit color silica gel from leaking hopper-shaped bottom, twist on oil cup flange after having put, then twist off the sealed lid of charge door, pour into new silica gel, twist on the sealed lid of charge door after adding appropriate amount, accomplish the silica gel change promptly.
2. The utility model relates to a take exempt from to tear open formula transformer respirator of differential pressure gauge through install positive negative differential pressure gauge additional at the respirator top, monitoring transformer internal pressure, combines the performance of transformer oil in the oil blanket cup, judges whether unobstructed with the gas passage of conservator of transformer, and the whole in-process of changing silica gel need not to withdraw from the heavy gas protection of transformer, has solved the transformer and need withdraw from the safety risk of heavy gas protection at the change silica gel in-process.
3. The utility model relates to a non-dismantling transformer respirator with a differential pressure gauge, the whole process of the device is simple and easy to operate, and the replacement time is shortened to 1/3; the operating time of changing silica gel of main breather that becomes has been shortened greatly has improved work efficiency, has reduced intensity of labour, and the corrosion and the broken problem of breather have been avoided to the whole 304 stainless steel materials that adopt of this design.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the utility model.
Fig. 2 is a schematic structural diagram of the oil seal cup.
1-feeding hole, 2-gas channel, 3-observation window, 4-connecting flange, 5-internal pressure tube of respirator, 6-differential pressure gauge, 7-external pressure tube, 8-silica gel shell, 9-air hole, 10-connecting disc, 11-filter screen, 12-oil seal cup, 13-sealing ring, 14-oil cup fixing seat, 15-bottom discharge hole and 16-respirator.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1
As shown in figures 1 and 2, the utility model relates to a take exempt from to tear open formula transformer respirator 16 of differential pressure gauge 6, including the respirator 16 body, respirator 16 body top is provided with differential pressure gauge 6, respirator 16 body below is provided with oil blanket cup 12. Through install differential pressure meter 6 additional at 16 tops of respirator, monitor transformer internal pressure, combine the performance of transformer oil in the oil cup, judge whether unobstructed with the gas passage 2 of conservator of transformer respirator 16, the whole heavy gas protection that need not to withdraw from the transformer of in-process of changing silica gel has solved the transformer and need withdraw from the safety risk of heavy gas protection at the change silica gel in-process.
The working process is as follows: through install the differential pressure gauge additional at the respirator top, can monitor the inside change pressure of transformer according to the positive and negative of differential pressure gauge to whether the gas passage of transformer respirator and conservator is unobstructed is judged to the performance of transformer oil in the combination oil blanket cup. If the oil level in the oil seal cup descends and the oil level is lowered to be at or below the oil outlet hole, the oil in the vent pipe flows out of the oil outlet hole under the influence of gravity and circulates, and the negative pressure is formed; if the oil level in the oil seal cup is normal, the pressure is not applied near an oil level line; if bubbles are present in the oil cup, this is a positive pressure. The pressure difference between the external environment and the internal pressure of the oil conservator is monitored in real time by using the differential pressure gauge, and the whole process does not need to quit the heavy gas protection of the transformer when the internal and external differential pressures are within a reasonable range, so that the safety risk caused by quitting the heavy gas protection is fundamentally solved.
Example 2
As shown in fig. 1 and 2, in the present embodiment, based on embodiment 1, a gas channel 2 is provided inside a body of a breather 16, the gas channel 2 extends into an oil seal cup 12, a feed port 1 is provided at an upper part of the body of the breather 16, and the feed port 1 is provided separately from the gas channel 2; independent feed inlet 1 is designed beside gas channel 2, and gas channel 2 and feed inlet 1 are separated, so that the functions are independent, the dismounting respirator 16 in the silica gel replacement process is avoided, and silica gel is only required to be additionally installed through the feed inlet 1.
The breather 16 is detachably connected with an oil seal cup 12 through a connecting disc 10, the oil seal cup 12 is arranged below the connecting disc 10, one end of the differential pressure gauge 6 is connected with an inner air pressure pipe 5 of the breather, the inner air pressure pipe 5 of the breather is connected above the breather 16, and the other end of the differential pressure gauge 6 is connected with an outer air pressure pipe 7; the oil seal cup 12 and the respirator 16 are directly connected by screws, and are affected by the surrounding environment, and the screws are easy to corrode, the mounting positions are narrow, the use of tools and appliances is inconvenient to disassemble, and the like, so that the screw disassembling is time-consuming and labor-consuming.
The connecting disc 10 is designed at the bottom of the oil seal cup 12 and the respirator 16, the connecting disc 10 is used as the middle part to connect the oil seal cup 12 with the respirator 16, the connecting disc 10 is connected with the respirator 16 and the oil seal cup 12 through screw threads, the design helps workers to detach and install the oil seal cup 12 without using any tool, only the oil seal cup 12 needs to be unscrewed from the connecting disc 10 (oil cup mounting seat), the replacement time is greatly shortened, and meanwhile, the air hole 9 is designed on the inner side of the connecting disc 10, so that the inside and outside air exchange is facilitated.
The outer side wall of the respirator 16 is provided with an observation window 3; the observation window 3 is used for better monitoring the inner situation at the outside.
A bottom discharge hole 15 is formed below the breather 16, a filter screen 11 is arranged at the bottom discharge hole 15, and oil cup fixing seats 14 are arranged on two sides of the bottom discharge hole 15; the upper part of the respirator 16 is provided with a connecting flange 4.
A sealing ring 13 is arranged at the cup mouth of the oil seal cup 12, and the sealing ring 13 is matched with the oil cup fixing seat 14 and is in flange connection; the sealing ring 13 is matched with the oil cup fixing seat 14 and is in flange connection better for connection.
The gas channel 2 is provided with a gas hole 9, the gas hole 9 is positioned in the oil seal cup 12, and the gas hole 9 is made of 304 stainless steel and is arranged in an inverted L shape; the air hole 9 channel of the connecting disc 10 is not straight, but is bent into an L shape, rainwater cannot directly flow into the oil seal cup 12, and therefore the structural design of the air hole 9 and the air channel 2 has a waterproof function.
The bottom of the respirator 16 is arranged in a funnel shape, and the included angle between the bottom inclination and the horizontal plane is 45-60 degrees; the bottom of the respirator 16 is designed to be funnel-shaped, the included angle between the bottom inclination and the horizontal plane is 45-60 degrees, and the silica gel flows out naturally under the action of gravity and is influenced by the funnel-shaped structural design at the bottom of the respirator 16, so that the silica gel residue is avoided, the replacement speed is increased, the replacement link is reduced, and the residual silica gel cleaning time is completely saved.
A silica gel shell 8 is arranged at the position of the bottom discharge port 15, and silica gel particles are filled in the silica gel shell 8; change silica gel only need unscrew oil cup flange 4, emit allochroic silica gel from leaking hopper-shaped bottom, put the back and twist connection pad 10 again, then unscrew the sealed lid of charge door, pour into new silica gel, screw up the sealed lid of charge door after adding the right amount, accomplish the silica gel and change promptly.
The connecting disc 10 is connected with the breather 16 and the oil seal cup 12 through screw threads; connection pad 10 both ends design is the screw thread and connects, the independent discharge gate of 16 bottom designs of respirator, and with the bottom design for leaking hopper-shaped, there is remaining silica gel behind the silica gel of avoiding releasing, whole change process need not to pull down respirator 16 from last flange department, more need not wholly disassemble respirator 16, the equipment, only need to unscrew oil cup flange 4, emit color-changing silica gel from leaking hopper-shaped bottom, put the back and twist oil cup flange 4 again, then unscrew the charge door and seal the lid, pour into new silica gel, screw up the sealed lid of charge door after adding appropriate amount, accomplish the silica gel change promptly. The whole process is simple and easy to operate, and the replacement time is shortened to 1/3.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The disassembly-free transformer respirator with the differential pressure gauge is characterized by comprising a respirator (16) body, wherein the differential pressure gauge (6) is arranged at the top of the respirator (16) body, and an oil seal cup (12) is arranged below the respirator (16) body.
2. The disassembly-free transformer respirator with the differential pressure gauge as claimed in claim 1, wherein the respirator (16) body is internally provided with a gas channel (2), the gas channel (2) extends into the oil seal cup (12), the upper part of the respirator (16) body is provided with the feed port (1), and the feed port (1) is separated from the gas channel (2).
3. The non-dismantling transformer respirator with the differential pressure gauge according to claim 1, wherein the respirator (16) is detachably connected with an oil seal cup (12) through a connecting disc (10), the oil seal cup (12) is arranged below the connecting disc (10), one end of the differential pressure gauge (6) is connected with a respirator inner air pressure pipe (5), the respirator inner air pressure pipe (5) is connected above the respirator (16), and the other end of the differential pressure gauge (6) is connected with an outer air pressure pipe (7).
4. The non-dismantling transformer respirator with differential pressure gauge according to claim 1, characterized in that the outer side wall of the respirator (16) is provided with a viewing window (3).
5. The disassembly-free transformer respirator with the differential pressure gauge as claimed in claim 1, wherein a bottom discharge hole (15) is arranged below the respirator (16), the bottom discharge hole (15) is provided with a filter screen (11), and oil cup fixing seats (14) are arranged on two sides of the bottom discharge hole (15).
6. The non-dismantling transformer respirator with the differential pressure gauge as claimed in claim 1, wherein the mouth of the oil seal cup (12) is provided with a sealing ring (13), and the sealing ring (13) is in flange connection with the oil cup fixing seat (14) in a matching manner.
7. The non-dismantling transformer respirator with the differential pressure gauge as claimed in claim 2, wherein the gas channel (2) is provided with a gas hole (9), and the gas hole (9) is located in the oil seal cup (12) and is arranged in an inverted L shape.
8. The non-dismantling transformer respirator with differential pressure gauge according to claim 1, wherein the respirator (16) is funnel-shaped at the bottom, and the bottom inclination is 45-60 ° to the horizontal plane.
9. The non-dismantling transformer respirator with the differential pressure gauge according to claim 5, wherein a silica gel shell (8) is disposed at the bottom discharge port (15), and silica gel particles are filled in the silica gel shell (8).
10. The non-dismantling transformer respirator with differential pressure gauge according to claim 3, wherein the connecting disc (10) is screwed with the respirator (16) and the oil seal cup (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022820030.0U CN213400802U (en) | 2020-11-30 | 2020-11-30 | Take exempt from to tear open formula transformer respirator of differential pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022820030.0U CN213400802U (en) | 2020-11-30 | 2020-11-30 | Take exempt from to tear open formula transformer respirator of differential pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213400802U true CN213400802U (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022820030.0U Active CN213400802U (en) | 2020-11-30 | 2020-11-30 | Take exempt from to tear open formula transformer respirator of differential pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213400802U (en) |
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2020
- 2020-11-30 CN CN202022820030.0U patent/CN213400802U/en active Active
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