CN115212673A - Breathing device for transformer - Google Patents
Breathing device for transformer Download PDFInfo
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- CN115212673A CN115212673A CN202210812804.6A CN202210812804A CN115212673A CN 115212673 A CN115212673 A CN 115212673A CN 202210812804 A CN202210812804 A CN 202210812804A CN 115212673 A CN115212673 A CN 115212673A
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- Prior art keywords
- filter element
- transformer
- shell
- wall
- hole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/88—Replacing filter elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention belongs to the technical field of transformers, and discloses a breathing device for a transformer, which comprises a filter element shell, an oil cup and first connecting pieces, wherein the filter element shell comprises a shell body and two first connecting parts arranged at two opposite ends of the shell body, the shell body is provided with a containing cavity, a filter element is arranged in the containing cavity, the first connecting parts are provided with first through holes, the containing cavity is communicated with the two first through holes, the number of the filter element shells is at least two, the at least two filter element shells are sequentially detachably connected end to end through the first connecting parts to form a filter element shell group, the first connecting part at one end of the filter element shell group is detachably connected with the oil cup, the first connecting part at the other end of the filter element shell group is detachably connected with the first connecting pieces, when one or more filter elements need to be replaced, only the corresponding filter element shells need to be detached to replace the filter elements, and each filter element shell can be selectively detached from any one of the two ends.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a breathing device for a transformer.
Background
The breathing device is an important part arranged on the power transformer, and the transformer discharges or sucks air through the breathing device to form a normal breathing function so as to keep the pressure balance of the transformer oil tank.
In the use, the silica gel filter core in the respiratory device can take place to discolour because of factors such as the oil level is too high or wets, for guaranteeing respiratory device's normal use, needs in time to change the silica gel filter core that discolours. Breathing equipment among the prior art is the structure of integral type usually, when changing the silica gel filter core, need unpack filter core shell and oil cup apart, pours a whole silica gel filter core that treats to trade in the filter core shell, and a whole new silica gel filter core is gone into again, then assembles filter core shell and oil cup through connecting pieces such as screw nut.
Therefore, when the silica gel filter element is replaced in the prior art, the whole silica gel filter element needs to be replaced, the waste of the silica gel filter element is caused, the operation difficulty of replacing the silica gel filter element is increased, in addition, the positions of pouring out and loading the silica gel filter element are only arranged at the connecting part of the filter element shell and the oil cup, the installation environments of the transformer and the breathing device are various, the operation difficulty of replacing the silica gel filter element is increased to a certain extent by a single dismounting position, in addition, the weight of the common respirator model at the present stage is between 0.2kg and 10kg, and the structure ensures that the difficulty of replacing the respirator silica gel filter element with larger weight is larger. Therefore, it is desirable to provide a breathing apparatus for a transformer to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a breathing device for a transformer, which can effectively reduce the operation difficulty of replacing a filter element.
In order to achieve the purpose, the invention adopts the following technical scheme:
a breathing apparatus for a transformer, comprising:
the filter element shell comprises a shell body and two first connecting parts, the two first connecting parts are respectively arranged at two opposite ends of the shell body, the shell body is provided with a containing cavity, the first connecting parts are provided with first connecting holes, the containing cavity is communicated with the two first connecting holes, the at least two filter element shells are sequentially detachably connected end to end through the first connecting parts to form a filter element shell group, a filter element is arranged in each containing cavity, and the filter elements can be arranged in and discharged out of the containing cavities through the first connecting holes;
the oil cup is detachably connected with a first connecting part positioned at one end of the filter element shell group;
the first connecting piece is detachably connected with a first connecting part positioned at the other end of the filter element shell group, and the first connecting piece is used for being connected with a transformer.
Optionally, the first connecting portion of one of the two adjacent filter element housings is clamped with the inner wall of the first connecting hole of the other filter element housing.
Optionally, the cross-sectional area of the first connection portion is smaller than the cross-sectional area of the housing.
Optionally, an external thread is arranged on the first connecting portion, an internal thread is arranged on the inner wall of the first connecting hole, and the external thread on one of the two adjacent filter element shells is in threaded fit with the internal thread on the other filter element shell.
Optionally, the cross sectional area of the accommodating cavity is larger than that of the first communicating hole, the inner wall of the accommodating cavity is connected with the inner wall of the first communicating hole through a transition part, and the filter element is arranged on the transition part.
Optionally, the surface of the transition portion is horizontally disposed.
Optionally, the two first communication holes of the filter element shell have different hole diameters.
Optionally, the oil cup is provided with a second connecting part, and the second connecting part is clamped with the inner wall of the first connecting hole at one end of the filter element shell group;
or the second connecting part is provided with a second communicating hole, and the first connecting part at one end of the filter element shell group is clamped with the inner wall of the second communicating hole.
Optionally, the first connecting piece is provided with a third connecting part, and the third connecting part is clamped with the inner wall of the first through hole at the other end of the filter element shell group;
or the third connecting part is provided with a third communicating hole, and the first connecting part at the other end of the filter element shell group is clamped with the inner wall of the third communicating hole.
Optionally, the breathing apparatus for a transformer further comprises a second connecting member, and the first connecting member is connected with the transformer through the second connecting member.
Has the beneficial effects that:
the breathing device for the transformer is provided with at least two filter element shells, the shell of each filter element shell is provided with a containing cavity, the filter elements are arranged in the containing cavities, the two opposite ends of the shell are respectively provided with a first connecting part, the first connecting parts are provided with first connecting holes, the containing cavities are communicated with the two first connecting holes, the two adjacent filter element shells are sequentially detachably connected end to end through the first connecting parts to form a filter element shell group, the first connecting parts at one ends of the filter element shell groups are detachably connected with the oil cup, and the first connecting parts at the other ends of the filter element shell groups are detachably connected with the first connecting parts, so that the split type structural design of the breathing device for the transformer is realized. On the other hand, two first through-holes on the filter element shell all with hold the chamber intercommunication, and, can all dismantle the connection through first connecting portion between two adjacent filter element shells, oil cup and first connecting piece also can dismantle the connection with the first connecting portion of tip respectively, namely, the dismouting of filter element can all be realized at the both ends of each filter element shell, this structure setting has not only increased the quantity of transformer with breathing apparatus dismantled and assembled position, the flexibility ratio of dismouting position has still been improved greatly, for each filter element shell, all can carry out the dismouting from any one in its both ends selectively, to the comparatively complicated operating mode of installation environment and the great transformer with breathing apparatus of weight, nimble dismouting position has the effect that reduces the dismouting operation degree of difficulty, and then simplified the operation degree of difficulty of changing the filter element, the efficiency of changing the filter element has been improved.
Drawings
FIG. 1 is a schematic structural diagram of a breathing apparatus for a transformer according to an embodiment;
FIG. 2 is a schematic cross-sectional view of a breathing apparatus for a transformer, not shown, according to an embodiment;
FIG. 3 is a schematic cross-sectional view of a filter element housing according to an embodiment;
FIG. 4 is a schematic cross-sectional view of an oil cup according to an embodiment;
fig. 5 is a schematic cross-sectional view of a first connecting element according to an embodiment.
In the figure:
100. a filter element housing; 110. a housing; 111. an accommodating chamber; 112. a transition section; 113. a limiting part; 120. a first connection portion; 121. a first communication hole; 200. an oil cup; 210. a second connecting portion; 211. a second communication hole; 220. an oil storage chamber; 300. a first connecting member; 310. a third connecting portion; 311. a third communication hole; 320. an assembling part; 321. a fourth communication hole; 400. a second connecting member.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Example one
The embodiment provides a breathing apparatus for transformer, can effectively reduce the operation degree of difficulty of renew cartridge.
Specifically, as shown in fig. 1 to 3, the breathing apparatus for a transformer includes a filter element housing 100, an oil cup 200, and a first connecting member 300, where the filter element housing 100 includes a housing 110 and two first connecting portions 120, the two first connecting portions 120 are respectively disposed at two opposite ends of the housing 110, the housing 110 is provided with a receiving cavity 111, the first connecting portions 120 are provided with first through holes 121, the receiving cavity 111 is communicated with the two first through holes 121, the number of the filter element housings 100 is at least two, exemplarily, the filter element housings 100 may be two, three, or four, etc., the at least two filter element housings 100 are sequentially detachably connected end to end through the first connecting portions 120 to form a filter element housing group, each receiving cavity 111 is provided with a filter element, and the filter elements can be loaded into and unloaded from the receiving cavity 111 through the first through holes 121, the oil cup 200 is detachably connected to the first connecting portion 120 located at one end of the filter element housing group, the first connecting member 300 is detachably connected to the first connecting portion 120 located at the other end of the filter element housing group, and the first connecting member 300 is used to be connected to a transformer.
This breather has realized split type structural design for transformer, when one of them or several filter cores need to be changed, only need with the filter core shell 100 that corresponds dismantle get off change the filter core can, need not to change a whole filter core, reduced the volume of treating the renew cartridge greatly, avoided the extravagant problem of filter core to the operation degree of difficulty of renew cartridge has still been reduced. On the other hand, two first communicating holes 121 on the filter element shell 100 all communicate with the containing cavity 111, and, can all dismantle the connection through first connecting portion 120 between two adjacent filter element shells 100, oil cup 200 and first connecting piece 300 also can dismantle the connection with the first connecting portion 120 of tip respectively, namely, the dismouting of filter core can all be realized at the both ends of each filter element shell 100, this structural setting has not only increased the quantity of transformer breathing apparatus dismantled and assembled position, the flexibility of dismouting position has also been improved greatly, for each filter element shell 100, all can selectively carry out the dismouting from any one in its both ends, for the comparatively complicated operating mode of installation environment and the great transformer breathing apparatus of weight, nimble dismouting position has the effect that reduces the dismouting operation degree of difficulty, and then simplified the operation degree of difficulty of changing the filter core, the efficiency of changing the filter core has been improved.
Further, as shown in fig. 1 to 3, in two adjacent filter element housings 100, the first connecting portion 120 of one of the filter element housings 100 is connected with the inner wall of the first connecting hole 121 of the other filter element housing 100 in a clamping manner, that is, the first connecting portion 120 is in interference fit with the inner wall of the first connecting hole 121, thereby realizing detachable connection of the two filter element housings 100 through the first connecting portion 120, in the prior art, the dismounting and mounting of the breathing apparatus are usually realized through connecting members such as bolts and nuts, for breathing apparatuses of various different models, connecting members of various different specifications need to be equipped, the breathing apparatus for a transformer provided by this embodiment is provided, two adjacent filter element housings 100 are connected through a clamping manner, dismounting and mounting of the two filter element housings 100 can be realized only through screwing and plugging, not only is the operation simple, but also the trouble of equipping of connecting members of various specifications is omitted, the accidental injury to the transformer when dismounting the connecting members is avoided, the operation difficulty of replacing the filter elements of the breathing apparatus for a transformer is further simplified, the failure rate of the filter element is reduced, and the service life of the transformer is prolonged.
Further, first connecting portion 120 adopts silica gel or rubber materials to make, and is more laborsaving when carrying out the dismouting to two filter element shells 100 to silica gel material and rubber materials have certain leakproofness, and after the inner wall interference fit of the first connecting portion 120 of a filter element shell 100 and the first communication hole 121 of another filter element shell 100, can form good leakproofness between the two, promptly, realized sealed between two adjacent filter element shells 100. Optionally, the filter element housing 100 and the first connecting portion 120 are made of the same material for the convenience of manufacturing process. Optionally, the filter element housing 100 may be made of a transparent material such as a polyamide elastomer or a polyolefin elastomer, which is convenient for observing whether the color of the filter element in the accommodating cavity 111 changes, and in other embodiments, the filter element housing 100 may also be made of a non-transparent material, and the filter element may be replaced at regular intervals according to experience. It should be noted that the forming method and the material selection of the filter element housing 100 and the first connecting portion 120 are well known in the art, and are not described herein again.
Optionally, the filter element in this embodiment is made of allochroic silica gel, and in other embodiments, the filter element may also be made of other filter elements with drying and filtering effects.
Alternatively, as shown in fig. 1 to 3, the cross-sectional area of the accommodating chamber 111 is larger than the cross-sectional area of the first communication hole 121, the inner wall of the accommodating chamber 111 is connected to the inner wall of the first communication hole 121 through a transition portion 112, and the filter element is disposed on the transition portion 112, thereby fixing the filter element in the accommodating chamber 111.
Further, as shown in fig. 1 to 3, the surface of the transition portion 112 is disposed horizontally, that is, the filter element is disposed on the horizontal transition portion 112, so that the stability of disposing the filter element in the accommodating chamber 111 is improved.
Optionally, the apertures of two first communicating holes 121 of the filter element shell 100 are different, so that the assembling direction can be quickly found during assembling, in addition, two first communicating holes 121 with different apertures are respectively arranged at two ends of the accommodating cavity 111, so that the surface areas of two transition parts 112 at two ends of the accommodating cavity 111 are different, when the filter element is installed in the filter element shell 100, the filter element can be selectively placed on the transition part 112 with a larger surface area, so as to improve the stability of the filter element shell 100 in the accommodating cavity 111.
Optionally, as shown in fig. 1 to 3, the cross-sectional area of the first connecting portion 120 is smaller than the cross-sectional area of the casing 110, that is, the radial dimension of the first connecting portion 120 is smaller than the radial dimension of the casing 110, so that a limiting portion 113 is formed between the first connecting portion 120 and the casing 110, that is, the first connecting portion 120 and the casing 110 are connected by the limiting portion 113, when two adjacent filter element shells 100 are assembled, the limiting of the assembling position of the two filter element shells can be achieved by the limiting portion 113, and the problem that the first connecting portion 120 of one of the two adjacent filter element shells cannot be disassembled next time due to the excessively long length of the first connecting portion 120 of the other one of the two adjacent filter element shells being clamped into the first connecting hole 121 is avoided. In the technical scheme of this embodiment, the positions of the limiting portion 113 and the transition portion 112 are oppositely arranged, the limiting portion 113 is located at the outer side of the filter element shell 100, and the transition portion 112 is located at the inner side of the filter element shell 100, so as to achieve the effect of simplifying the structure of the filter element shell 100.
Optionally, as shown in fig. 1 to 4, the oil cup 200 is provided with a second connecting portion 210, the second connecting portion 210 is connected to the inner wall of the first through hole 121 at one end of the filter element housing set in a snap-fit manner, that is, the second connecting portion 210 is in interference fit with the inner wall of the first through hole 121 at one end of the filter element housing set, so that the oil cup 200 is detachably connected to the filter element housing 100 at the end portion, when the oil cup 200 and the filter element housing 100 are disassembled and assembled, only a screwing and plugging manner is required, which is not only simple in operation, but also eliminates a trouble of being equipped with connectors of various specifications, and further simplifies the difficulty in replacing the filter element of the breathing apparatus for a transformer. Further, the second connecting portion 210 is made of silica gel or rubber materials, so that the oil cup 200 and the filter element shell 100 can be disassembled and assembled more easily, the silica gel materials and the rubber materials have certain sealing performance, and after the second connecting portion 210 is in interference fit with the inner wall of the first connecting hole 121, good sealing performance can be formed between the second connecting portion 210 and the first connecting hole, namely, sealing between the oil cup 200 and the filter element shell 100 is realized.
Alternatively, as shown in fig. 1 to 4, the second connection portion 210 is provided with a second communication hole 211, and the oil reservoir chamber 220 of the oil cup 200 and the receiving chamber 111 of the cartridge case 100 are communicated through the second communication hole 211.
In one embodiment, the first connecting portion 120 at one end of the filter element shell group is clamped with the inner wall of the second communication hole 211, that is, the first connecting portion 120 at one end of the filter element shell group is in interference fit with the inner wall of the second communication hole 211, so that the oil cup 200 and the end filter element shell 100 can be detachably connected, and the two can be detached and installed in a screwing and plugging manner.
Optionally, as shown in fig. 1 to 5, the first connecting member 300 is provided with a third connecting portion 310, the third connecting portion 310 is provided with a third communicating hole 311, the first connecting portion 120 at the other end of the filter element housing group is clamped with the inner wall of the third communicating hole 311, that is, the first connecting portion 120 at the other end of the filter element housing group is in interference fit with the inner wall of the third communicating hole 311, so that the first connecting member 300 is detachably connected with the filter element housing 100 at the end portion, when the first connecting member 300 and the filter element housing 100 are disassembled and assembled, only a screwing and plugging manner is needed, which not only is simple in operation, but also saves the trouble of providing connecting members of various specifications, and further simplifies the operation of replacing the filter element of the breathing apparatus for a transformer. Further, third connecting portion 310 adopts silica gel or rubber materials to make, and is more laborsaving when carrying out the dismouting to first connecting piece 300 and filter element shell 100 to silica gel material and rubber materials have certain leakproofness, behind the inner wall interference fit of first connecting portion 120 and third intercommunicating pore 311, can form good leakproofness between the two thereof, promptly, has realized the sealed between first connecting piece 300 and the filter element shell 100.
In one embodiment, the third connection portion 310 is engaged with the inner wall of the first connection hole 121 at the other end of the filter element shell group, that is, the third connection portion 310 is in interference fit with the inner wall of the first connection hole 121 at the other end of the filter element shell group, so that the first connection member 300 can be detachably connected with the filter element shell 100 at the end portion, and the first connection member 300 and the filter element shell 100 can be detached and installed in a screwing and inserting manner.
Alternatively, as shown in fig. 1 to 5, the first connector 300 is further provided with an assembling portion 320, the assembling portion 320 is provided with a fourth communication hole 321, the assembling portion 320 is connected to the third connecting portion 310, and the third communication hole 311 is communicated with the fourth communication hole 321.
Optionally, as shown in fig. 1 to 5, the breathing apparatus for a transformer further includes a second connector 400, the first connector 300 is connected to the transformer through the second connector 400, specifically, through holes are provided on both the assembling portion 320 of the first connector 300 and the second connector 400, and connectors such as bolts can sequentially pass through the through holes on the assembling portion 320, the through holes on the second connector 400, and the mounting holes on the transformer, so as to assemble the breathing apparatus for a transformer and the transformer. Alternatively, the second connector 400 may be a flange or a connection plate with a through hole.
The breathing device for the transformer provided by the embodiment adopts a split type design, and the effect of independently replacing which filter element when the filter element needs to be replaced is realized; the breathing device for the transformer is provided with a plurality of dismounting positions on the whole structure, and both ends of the same filter element shell 100 can be dismounted, so that the dismounting positions of the breathing device for the transformer are flexible; the assembly between the filter element shell 100 and the filter element shell 100, between the filter element shell 100 and the oil cup 200 and between the filter element shell 100 and the first connecting piece 300 all adopt the assembly mode of joint (namely, the assembly mode of interference fit), when the filter element shell 100 is disassembled and assembled, only simple screwing and plugging are needed, the disassembling and assembling operation is simplified, and the trouble of being equipped with connecting pieces of various models is also saved.
Example two
The present embodiment provides a breathing apparatus for a transformer, which is different from the breathing apparatus for a transformer provided in the first embodiment in that:
be equipped with the external screw thread on first connecting portion 120, the inner wall of first through-hole 121 is equipped with the internal thread, external screw thread on the filter element shell 100 in two adjacent filter element shells 100 and the internal thread screw-thread fit on another filter element shell 100, realize two filter element shells 100 from this and connect through dismantling of first connecting portion 120, when dismouting filter element shell 100, only need through the mode of revolving soon can, moreover, the steam generator is simple in operation, the trouble of being equipped with multiple specification connecting piece has also been saved, the accidental injury to the transformer when dismantling the connecting piece has still been avoided.
Alternatively, a gasket may be provided between the adjacent two cartridge housings 100 to achieve sealing therebetween.
The rest of the structure of the breathing apparatus for a transformer provided in this embodiment is the same as that of the first embodiment, and is not described again.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A breathing apparatus for a transformer, comprising:
the filter element comprises at least two filter element shells (100), wherein each filter element shell (100) comprises a shell (110) and two first connecting parts (120), the two first connecting parts (120) are respectively arranged at two opposite ends of the shell (110), each shell (110) is provided with an accommodating cavity (111), each first connecting part (120) is provided with a first connecting hole (121), each accommodating cavity (111) is communicated with the corresponding first connecting hole (121), the at least two filter element shells (100) are sequentially detachably connected end to end through the corresponding first connecting parts (120) to form a filter element shell group, a filter element is arranged in each accommodating cavity (111), and the filter elements can be loaded into and unloaded from the accommodating cavities (111) through the corresponding first connecting holes (121);
the oil cup (200), the oil cup (200) is detachably connected with the first connecting part (120) at one end of the filter element shell group;
the first connecting piece (300) is detachably connected with the first connecting part (120) positioned at the other end of the filter element shell group, and the first connecting piece (300) is used for being connected with a transformer.
2. The breathing device for a transformer according to claim 1, wherein the first connecting portion (120) of one of the filter cartridge housings (100) of two adjacent filter cartridge housings (100) is engaged with an inner wall of the first connecting hole (121) of the other filter cartridge housing (100).
3. The breathing device for a transformer according to claim 2, wherein the cross-sectional area of the first connection portion (120) is smaller than the cross-sectional area of the housing (110).
4. The breathing device for a transformer according to claim 1, wherein the first connecting portion (120) is provided with an external thread, the inner wall of the first connecting hole (121) is provided with an internal thread, and the external thread on one of the two adjacent filter element housings (100) is in threaded engagement with the internal thread on the other filter element housing (100).
5. The breathing device for a transformer according to any one of claims 1 to 4, wherein the cross-sectional area of the accommodating chamber (111) is larger than the cross-sectional area of the first communication hole (121), the inner wall of the accommodating chamber (111) is connected with the inner wall of the first communication hole (121) through a transition part (112), and the filter element is arranged on the transition part (112).
6. The breathing device for a transformer according to claim 5, wherein the surface of the transition portion (112) is arranged horizontally.
7. The breathing device for a transformer according to claim 6, wherein the two first communication holes (121) of the filter cartridge housing (100) have different apertures.
8. The breathing device for the transformer according to any one of claims 1 to 3, wherein the oil cup (200) is provided with a second connecting part (210), and the second connecting part (210) is clamped with the inner wall of the first connecting hole (121) at one end of the filter element shell group;
or, second connecting portion (210) are equipped with second intercommunicating pore (211), are located filter core shell group one end first connecting portion (120) with the inner wall joint of second intercommunicating pore (211).
9. The breathing device for the transformer according to any one of claims 1 to 3, wherein the first connector (300) is provided with a third connector (310), and the third connector (310) is clamped with the inner wall of the first through hole (121) at the other end of the filter element shell group;
or the third connecting part (310) is provided with a third communicating hole (311), and the first connecting part (120) at the other end of the filter element shell group is connected with the inner wall of the third communicating hole (311) in a clamping manner.
10. The transformer breathing device according to any of claims 1-4, further comprising a second connection member (400), wherein the first connection member (300) is connected to the transformer via the second connection member (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210812804.6A CN115212673A (en) | 2022-07-11 | 2022-07-11 | Breathing device for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210812804.6A CN115212673A (en) | 2022-07-11 | 2022-07-11 | Breathing device for transformer |
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| CN115212673A true CN115212673A (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210812804.6A Pending CN115212673A (en) | 2022-07-11 | 2022-07-11 | Breathing device for transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115944999A (en) * | 2022-12-30 | 2023-04-11 | 中国科学院空间应用工程与技术中心 | Replaceable filtering device for space station online cabinet and quick change method thereof |
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| CN110942899A (en) * | 2019-12-09 | 2020-03-31 | 广东电网有限责任公司 | Respirator device for transformer |
| CN210845394U (en) * | 2019-04-11 | 2020-06-26 | 南京笙迪环境科技有限公司 | Detachable multi-section filtering device |
| CN211987318U (en) * | 2019-11-27 | 2020-11-24 | 高慧 | Water filter and outdoor water filtration system |
| CN212076684U (en) * | 2020-04-25 | 2020-12-04 | 成春芳 | Small-size industrial wastewater treatment equipment convenient to remove |
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| CN203721431U (en) * | 2014-02-19 | 2014-07-16 | 浙江大学 | Variable capacity oil-cup-free type moisture absorber for transformer |
| CN204614610U (en) * | 2015-05-25 | 2015-09-02 | 沈阳明远电器设备有限公司 | Dehydrating breather |
| CN207816950U (en) * | 2017-12-12 | 2018-09-04 | 南京华脉医疗器械股份有限公司 | A kind of water purification combined test stand |
| CN109289414A (en) * | 2018-10-26 | 2019-02-01 | 含山县玉龙米业有限公司 | A kind of rice processing dust environmental protecting device |
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| CN210845394U (en) * | 2019-04-11 | 2020-06-26 | 南京笙迪环境科技有限公司 | Detachable multi-section filtering device |
| CN211987318U (en) * | 2019-11-27 | 2020-11-24 | 高慧 | Water filter and outdoor water filtration system |
| CN110942899A (en) * | 2019-12-09 | 2020-03-31 | 广东电网有限责任公司 | Respirator device for transformer |
| CN212076684U (en) * | 2020-04-25 | 2020-12-04 | 成春芳 | Small-size industrial wastewater treatment equipment convenient to remove |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115944999A (en) * | 2022-12-30 | 2023-04-11 | 中国科学院空间应用工程与技术中心 | Replaceable filtering device for space station online cabinet and quick change method thereof |
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