CN212750594U - Oil bag transformer and oil bag transformer ranging exhaust plug - Google Patents
Oil bag transformer and oil bag transformer ranging exhaust plug Download PDFInfo
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- CN212750594U CN212750594U CN202021362613.7U CN202021362613U CN212750594U CN 212750594 U CN212750594 U CN 212750594U CN 202021362613 U CN202021362613 U CN 202021362613U CN 212750594 U CN212750594 U CN 212750594U
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- ranging
- vent plug
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Abstract
The utility model relates to an oil bag transformer and oil bag transformer range finding core vent, oil bag transformer range finding core vent sets up outside the conservator top, and it includes the core vent body, the core vent body is provided with the cavity, be provided with ranging module on the cavity internal face, ranging module measure by ranging module is to the distance of oil bag bottom surface. The distance measurement air release plug of the oil sac transformer realizes the accurate measurement of the actual oil level of the oil conservator by integrally designing the laser distance measurement module and the air release plug at the top of the oil conservator, and the whole device is positioned outside the oil conservator, so that the device is convenient to operate and maintain, and has the advantages of small size, and more convenience in installation and replacement.
Description
Technical Field
The utility model relates to a capsule transformer field, more specifically say, relate to an oil pocket transformer and oil pocket transformer range finding core vent.
Background
The oil conservator of the capsule type transformer comprises a cylindrical oil conservator made of steel, a rubber type oil sac and an air vent plug at the top of the oil conservator. In the prior art, an oil level gauge is arranged on the side surface of an oil conservator and used for displaying the oil level of the oil conservator, and the oil level gauge converts the oil level of the oil conservator into dial scales for displaying by means of a floating ball, a connecting rod and a magnetic coupling device. Specifically, the oil meter structure comprises a floater positioned in the oil conservator, a bracket, a magnet, a shell positioned outside the oil conservator, a pointer, a dial and a magnet, wherein the inner part structure is separated by a leak-proof disc.
During the measurement process, a floater of the oil conservator floats on the oil level below an oil bag in the conservator, and the floater rises and falls along with the change of the oil level to drive a swing rod to swing up and down, the swing rod drives a driving magnetic steel of the oil level indicator to rotate through a gear, the driving magnetic steel drives a driven magnetic steel of the oil level indicator to rotate, so that a pointer is driven to rotate, and finally the pointer is converted into a dial scale to display. The traditional oil level gauge has the following defects:
1. the display process comprises various conversions, the measurement is inaccurate, and the specific oil level cannot be accurately measured;
2. because the swing rod of the floating ball is arranged in the oil conservator, the running state of the oil conservator is difficult to monitor, and if the oil level meter is abnormal, the oil conservator is required to be drained to overhaul the oil level meter;
3. in the process of injecting oil into the transformer, the oil level changes violently, so that the running position of the floating ball is easy to deviate, and the phenomenon of false oil level occurs;
4. because the inside of the conservator and the outside of the conservator are separated by a leakage-proof disc, the risk of sealing leakage exists, and the safe and stable operation of equipment is not facilitated.
In order to solve the problems existing in the process of displaying the oil level of the capsule type oil conservator, the air plug at the top of the oil conservator with the distance measurement function needs to be developed urgently, so that the air plug at the top of the oil conservator has two functions of exhausting the oil conservator and measuring the oil level of the oil conservator, the planar height of the oil capsule in the oil conservator is directly measured, and the real oil level of the oil conservator is displayed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide an oil pocket transformer and oil pocket transformer range finding core vent.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an oil bag transformer and oil bag transformer range finding core vent, oil bag transformer range finding core vent sets up outside the conservator top, and it includes the core vent body, the core vent body is provided with the cavity that is used for the air guide, be provided with the range finding module on the cavity internal face, the range finding module measure by the distance of range finding module to oil bag bottom surface.
In some embodiments, the vent plug body is cylindrical with an open end, and the inner wall surface of the vent plug body defines the cavity.
In some embodiments, the vent plug body has a mounting thread formed at an open end thereof, the mounting thread being an external thread.
In some embodiments, a seal installation groove for installing a seal element thereon is circumferentially opened on the outer ring of the vent plug body, and the seal installation groove is arranged on the upper portion of the installation thread and is adjacent to the installation thread.
In some embodiments, the seal installation groove is a circular ring groove, and the groove diameter of the circular ring groove is slightly smaller than or equal to the outer diameter of the installation thread.
In some embodiments, a hexagonal fastening nut is circumferentially disposed on an outer ring of the vent plug body, and the hexagonal fastening nut is axially spaced from the seal installation groove.
In some embodiments, the ranging module is a laser ranging module comprising a laser sensor comprising a transmitter for transmitting a laser signal and a receiver for receiving a laser signal.
The utility model provides a capsule transformer, includes the conservator, the conservator include the conservator shell and by the conservator cavity that is used for holding fluid that the conservator shell was defined out, be provided with in the conservator cavity with the conservator shell is connected has hollow structure's oil pocket, oil pocket and conservator shell junction are provided with oil pocket transformer range finding air release plug, oil pocket transformer range finding air release plug with oil pocket air guide intercommunication.
In some embodiments, the conservator housing is cylindrical and the oil bladder is hemispherical; the oil bag comprises an oil bag bottom surface and an arc curved surface covered on the oil bag bottom surface, and the oil bag bottom surface and the arc curved surface define an oil bag cavity together; the arc curved surface is convexly provided with a sealing part; the sealing part is provided with an oil sac air guide channel communicated with the oil sac cavity;
the side surface of the oil conservator shell is provided with an oil conservator opening which is equivalent to the circumferential peripheral size of the sealing part, and the sealing part is matched in the oil conservator opening; the oil sac transformer ranging vent plug is arranged at the sealing part and is communicated with the oil sac air guide channel in an air guide mode.
In some embodiments, the conservator opening is a comparable distance from both end faces of the conservator.
Implement the utility model discloses an oil pocket transformer range finding core vent has following beneficial effect: the distance measurement vent plug of the oil sac transformer integrally designs the laser distance measurement module and the vent plug at the top of the oil conservator to realize accurate measurement of the actual oil level of the oil conservator, and the whole device is arranged outside the oil conservator, so that the operation and maintenance are convenient; the measuring device of the invention has small volume and is easier to install and replace.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic diagram of an oil bag transformer in some embodiments of the present invention;
fig. 2 is a schematic structural view of an oil capsule transformer ranging vent plug in some embodiments of the present invention;
fig. 3 is a schematic longitudinal sectional view of a distance measuring vent plug of the oil bag transformer shown in fig. 2.
Detailed Description
For a clearer understanding of the technical features, objects, and effects of the present invention, reference will now be made to the accompanying drawings.
It should be noted that the terms up and down indicating orientation and positional relationship are based on the positional relationship shown in the drawings and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the indicated unit or element must have a specific orientation, be constructed or operated in a specific orientation, and thus should not be construed as limiting the present invention.
Fig. 1 illustrates an oil capsule transformer according to some examples of the present invention, which may include an oil conservator 10, an oil capsule 20, and an oil capsule transformer distance measurement vent plug 30, the oil capsule transformer distance measurement vent plug 30 hereinafter referred to as vent plug 30; the conservator 10 is used to contain oil, and the oil bladder 20 is used to improve oil pressure and seal oil to prevent leakage.
In some embodiments, the conservator 10 is cylindrical with sealing end surfaces at two ends, and may include a cylindrical conservator housing 11 and a conservator cavity 12 defined by the conservator housing 11 and used for containing oil, and the oil bag 20 is disposed in the conservator cavity 12.
The side surface of the conservator housing 11 is provided with a conservator opening 110 for injecting oil, and preferably the conservator opening is provided in the middle of the side surface of the conservator housing 11, i.e., the distance from the conservator opening 110 to both end surfaces of the tubular conservator housing is approximately equivalent.
In some embodiments the conservator is made of steel.
The oil bag 20 is substantially a hemisphere of a hollow structure, and may include a planar oil bag bottom surface 21, an arc curved surface 22 covering the oil bag bottom surface 21, and a sealing portion 23 provided on the arc curved surface 21. The oil bag bottom surface 21 and the arc curved surface 22 define an oil bag cavity 24, which is used for deforming along with the change of oil pressure and breathing the gas in the oil bag cavity 24 to maintain the oil pressure, so that the oil pressure is in a safe state. The sealing portion 23 has a cylindrical shape and may include an oil bladder air guide passage 230 communicating with the oil bladder cavity 24.
The seal portion 23 is fitted in the conservator opening 110 and protrudes from the side surface of the conservator housing 11 to perform a sealing function. The oil sac air guide passage 230 communicates the oil sac cavity 24 with the outside through an air release plug for air release or air intake. Preferably, the sealing portion 23 has a cylindrical shape, and the air guide passage 230 is axially formed through the sealing portion 23 at a central position thereof. Correspondingly, the conservator opening 110 is a circular hole, and the outer diameter of the sealing portion 23 is equal to the opening size of the conservator opening 110 or slightly larger than the opening of the conservator opening 110, so as to achieve effective sealing effect.
The oil bladder 20 in some embodiments is made of a soft material, preferably a silicone material.
Fig. 2 to 3 show the vent plug 30 in some embodiments of the present invention, this vent plug 30 sets up outside the conservator 10 top, it can include vent plug body 31 and set up the range finding module 32 on vent plug body 31 to make conservator 10 top vent plug 30 have conservator exhaust and conservator oil level measure two kinds of functions concurrently, thereby solve large-scale capsule type transformer oil level gauge and measure and indicate inaccurately, the false oil level scheduling problem easily appears. This problem makes when carrying out oiling operation at every turn, still need adopt the method of self-control temporary vernier to avoid appearing the oil level table false oil level, but the temporary vernier process of preparation relates to second grade high risk operation, and the operation process risk management and control degree of difficulty is big. This oil pocket transformer range finding core vent realizes the visual display of conservator oil level, thoroughly solves this great hidden defect of false oil level that appears easily among the oiling process, reduces the second grade high risk operation of the interim vernier of preparation.
The vent plug body 31 in some embodiments may have a hollow structure, and may include a cavity 310, and the distance measuring module 32 is disposed on an inner wall surface of the cavity, so as to implement an integrated design of the vent plug body 31 and the distance measuring module 32. The distance measuring module 32 is used for measuring the distance from the emitter of the distance measuring module 32 to the bottom surface 21 of the oil bag.
In some embodiments, as shown in fig. 2 and 3, the vent plug body 31 is a cylinder with an open end, and the inner wall surface of the cylinder vent plug body 31 defines the cavity 310. An opening end of the vent plug body 31 is provided with a mounting thread 311, a circumferential sealing mounting groove 312 is arranged on the mounting thread 311 and is adjacent to the mounting thread 311, and a hexagonal fastening nut 313 is arranged on the sealing mounting groove 312 and is spaced from the sealing mounting groove.
The mounting screw 311 is an external screw opened at the open end for connection with the air discharging device of the conservator 10 or/and the oil bladder 20.
The seal mounting groove 312 is an annular groove for a sealing member, such as a soft O-ring, to be seated thereon. The seal installation groove 312 is provided at an upper portion of the installation screw 311 and is disposed adjacent to the installation screw 311. The seal mounting groove 312 in some embodiments is an annular groove having a diameter slightly smaller than or comparable to the outer diameter of the mounting thread 311.
The hexagonal fastening nut 313 is disposed at an upper portion of the sealing installation groove 312, has a circumferential hexahedral column shape, and plays a fastening role. A blocking ring step is arranged between the hexagonal fastening nut 313 and the sealing installation groove 312 at intervals for supporting and blocking.
The ranging module 32 in some embodiments may be a laser ranging module that may include a laser sensor that may include a transmitter for transmitting a laser signal and a receiver for receiving a laser signal. The emitter and the receiver are arranged on the inner wall surface of the vent plug body 31, the integral design of the vent plug 30 on the top of the oil conservator is realized, the laser ranging function is realized on the basis that the original equipment is not changed basically, and therefore the height of the plane of the oil sac is measured directly, and the accurate oil conservator oil level height is calculated.
The specific measurement steps of the conservator oil level in some embodiments are as follows:
s1: a laser ranging module is arranged at the position of an exhaust plug at the top of an oil conservator 10 of the oil sac transformer;
s2: the transmitter and the receiver of the distance measurement module 32 measure the distance L1 from the transmitter to the bottom surface 21 of the conservator capsule through a laser sensor;
s3: the distance from the emitter to the bottom of the conservator cavity 12 is known as L;
s4, the oil conservator oil level height is L2: l2 ═ L-L1.
The utility model discloses this important spare part of make full use of conservator 10 top core vent 30 will survey the light and measure the transmitter and the receiver setting of range module 32 in this core vent 30, realize range module 32 and conservator top core vent 30's integrated design, on the basis that does not change equipment design, realize laser rangefinder function, have following advantage:
the traditional oil level gauge oil level measuring mode that a floating ball is used for indirectly measuring and converting the oil level of the oil conservator is changed, the laser ranging module is directly integrated to the air vent plug at the top of the oil conservator, the height from the ranging module 32 to the bottom surface 21 of the oil sac is directly measured, the measured data is only subjected to data calculation processing to obtain the oil level in the cavity 12 of the oil conservator, the actual oil level height is obtained, and the result is accurate and reliable;
the whole measuring device and the vent plug are integrally manufactured, and the whole device is arranged outside the oil conservator, so that the operation and the maintenance are convenient;
the measuring device of the invention has small volume and is easier to install and replace.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and implement the present invention accordingly, which can not limit the protection scope of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention shall fall within the scope of the claims of the present invention.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (10)
1. The utility model provides an oil pocket transformer range finding core vent, sets up outside the conservator top, its characterized in that, oil pocket transformer range finding core vent includes core vent body (31), core vent body (31) are provided with cavity (310) that are used for the air guide, be provided with range finding module (32) on cavity (310) internal face, range finding module measurement by range finding module (32) is to the distance of oil pocket bottom surface (21).
2. The oil bag transformer ranging vent plug of claim 1, wherein the vent plug body (31) is cylindrical with one end open, and the inner wall surface of the cylinder of the vent plug body (31) defines the cavity (310).
3. The oil bag transformer ranging vent plug as claimed in claim 2, wherein an opening end of the vent plug body (31) is provided with a mounting thread (311), and the mounting thread (311) is an external thread.
4. The oil bag transformer ranging vent plug according to claim 3, wherein a sealing installation groove (312) for installing a sealing element is formed in the circumferential direction of the outer ring of the vent plug body (31), and the sealing installation groove (312) is arranged at the upper part of the installation thread (311) and is arranged adjacent to the installation thread (311).
5. The oil bag transformer ranging vent plug as claimed in claim 4, wherein the sealing installation groove (312) is an annular groove, and the groove diameter of the annular groove is slightly smaller than the outer diameter of the installation thread (311) or is equivalent to the outer diameter of the installation thread (311).
6. The oil bag transformer ranging vent plug as claimed in claim 4, wherein a hexagonal fastening nut (313) is circumferentially arranged on an outer ring of the vent plug body (31), and the hexagonal fastening nut (313) and the seal mounting groove (312) are axially arranged at intervals.
7. Oil capsule transformer ranging venting plug according to any of claims 1 to 6, characterized in that the ranging module (32) is a laser ranging module comprising a laser sensor comprising a transmitter for emitting a laser signal and a receiver for receiving a laser signal.
8. The utility model provides an oil pocket transformer, includes conservator (10), the conservator include conservator shell (11) and by conservator cavity (12) that is used for holding fluid that conservator shell (11) was defined out, be provided with in conservator cavity (12) with oil pocket (20) that have hollow structure that conservator shell (11) are connected, its characterized in that, oil pocket (20) and conservator shell (11) junction be provided with any claim 1 to 7 oil pocket transformer range finding air release plug, oil pocket transformer range finding air release plug with the oil pocket air guide intercommunication.
9. The oil-bag transformer of claim 8, wherein the conservator housing (11) is cylindrical, and the oil bag (20) is hemispherical; the oil bag (20) comprises an oil bag bottom surface (21) and an arc curved surface (22) covered on the oil bag bottom surface (21), and the oil bag bottom surface (21) and the arc curved surface (22) define an oil bag cavity (24) together; a sealing part (23) is arranged on the arc curved surface (22) in a protruding way; the sealing part (23) is provided with an oil sac air guide channel (230) communicated with the oil sac cavity (24);
an oil conservator opening which is equivalent to the circumferential peripheral size of the sealing part (23) is formed in the side surface of the oil conservator shell (11), and the sealing part (23) is matched in the oil conservator opening (110); the oil sac transformer ranging vent plug is arranged at the sealing part (23) and is in air guide communication with the oil sac air guide channel (230).
10. The oil bag transformer of claim 9, wherein the distance from the conservator opening (110) to both end faces of the conservator (10) is comparable.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202021362613.7U CN212750594U (en) | 2020-07-10 | 2020-07-10 | Oil bag transformer and oil bag transformer ranging exhaust plug |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202021362613.7U CN212750594U (en) | 2020-07-10 | 2020-07-10 | Oil bag transformer and oil bag transformer ranging exhaust plug |
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CN212750594U true CN212750594U (en) | 2021-03-19 |
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CN202021362613.7U Active CN212750594U (en) | 2020-07-10 | 2020-07-10 | Oil bag transformer and oil bag transformer ranging exhaust plug |
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