CN114530299B - High-voltage insulation device in low-temperature environment - Google Patents
High-voltage insulation device in low-temperature environment Download PDFInfo
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- CN114530299B CN114530299B CN202210157111.8A CN202210157111A CN114530299B CN 114530299 B CN114530299 B CN 114530299B CN 202210157111 A CN202210157111 A CN 202210157111A CN 114530299 B CN114530299 B CN 114530299B
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- 238000009413 insulation Methods 0.000 title claims abstract description 174
- 238000007789 sealing Methods 0.000 claims abstract description 51
- 239000012212 insulator Substances 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 16
- 238000009434 installation Methods 0.000 abstract description 16
- 238000009489 vacuum treatment Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 238000010030 laminating Methods 0.000 description 10
- 238000009826 distribution Methods 0.000 description 4
- 239000012774 insulation material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
- H01B17/58—Tubes, sleeves, beads, or bobbins through which the conductor passes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/54—Insulators or insulating bodies characterised by their form having heating or cooling devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/56—Insulating bodies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
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Abstract
The invention relates to a high-voltage insulation device in a low-temperature environment, belonging to the technical field of high-voltage insulation application; the device comprises: the box body, the insulation box, the first insulator, the second insulator, the connector, the insulation sleeve, the power transmission line, the inner umbrella skirt, the outer umbrella skirt, the inner concave surface, the sealing ring, the gap, the limit sleeve, the through hole, the cavity, the connecting pipe, the fixed pipe, the alarm, the spring, the piston, the touch switch, the negative pressure pipe, the one-way valve, the fixed block, the sealing plate, the limit plate, the sealing strip, the bolt, the guide cover, the revolving door, the rubber strip, the long hole, the opening, the threaded rod and the nut; according to the invention, the box body and the insulation box are adopted to perform insulation protection on the power transmission line and the connector, the insulation performance in a low-temperature environment can be improved, the insulation effect can be effectively improved by realizing vacuum treatment in the insulation box, the alarm function can be realized and the insulation protection on the junction of the high-voltage power transmission line and the box body and the insulation box can be realized when the vacuum effect in the insulation box fails, and the whole insulation device is simple in installation and construction.
Description
Technical Field
The invention discloses a high-voltage insulation device in a low-temperature environment, and belongs to the technical field of high-voltage insulation application.
Background
The insulating finger uses non-conductive substances to isolate or wrap the charged body so as to protect electric shock, and good insulation is the most basic and reliable means for ensuring the safe operation of electric equipment and circuits and preventing personal electric shock accidents, and the insulation can be generally divided into three types of gas insulation, liquid insulation and solid insulation. In practical applications, solid insulation is still the most widely used and most reliable insulating material, and under the action of strong electricity, the insulating material may break down and lose its insulating properties. Among the three insulating substances, the gas insulating substance can automatically recover the inherent electric insulating property once the external factors are removed after being broken down; the electrical insulation performance of the solid insulation material is irreversibly and completely lost after the solid insulation material is broken down, so that the insulation selection of the electrical circuit and the equipment must be matched with the voltage class, and the insulation safety effect must be ensured by adapting to the use environment and the operation condition, in addition, the insulation performance of the insulation material may be reduced or even destroyed due to the reasons of corrosive gas, steam, moisture, conductive dust, mechanical operation and the like, and the insulation material may be aged and gradually lost due to the long-term effect of environmental factors such as sunlight, wind and rain and the like.
In patent document 201810280499.4, a low-temperature high-voltage insulation device of a superconducting power device is formed by a column and a plurality of sheds, the column and the sheds are coaxial, the sheds are uniformly distributed along the axial direction of the column, the interval is equal, the column is a main body for bearing mechanical stress, tensile mechanical stress can be borne in a hoisting superconducting device, supporting mechanical stress is borne in a supporting superconducting device, the sheds can improve the compressive strength of surface flashover, the column and the sheds are of an integrated structure, and the column and the sheds are used for low-temperature high-voltage insulation and mechanical installation of the superconducting device in a low-temperature container, but insulation protection is needed at a joint of a high-voltage power transmission line when power transmission is carried out in a high-voltage environment, the insulation function is easy to realize in the low-temperature environment, the safety of the insulation device is influenced, meanwhile effective connection is difficult to ensure, and the practicability of the insulation device is reduced. At present, a high-voltage insulation device which has a reasonable and reliable structure and a low-temperature insulation function and can realize stable connection in a low-temperature environment does not exist.
Disclosure of Invention
In order to solve the defect of prior art, this application adopts the box to carry out the installation of insulation box, carries out the connection of the connector of power transmission line in insulation box, can effectively realize the insulation protection of transmission line and connector department, improves insulating device's practicality, and the insulation box can carry out vacuum treatment simultaneously, can avoid low temperature to lead to the problem that insulating properties reduces, is favorable to improving the normal operating of each structure of insulating device.
More in order to solve the problems in the prior art: when insulating under the low temperature environment, can conveniently carry out the air discharge in the insulation box, realize the vacuum treatment of insulation box simultaneously, still have alarming function, can in time report to the police when leading to vacuum effect inefficacy along with long-time use, avoid leading to insulation effect inefficacy problem.
Further in order to solve the problems in the prior art: the insulating device can realize effective installation of the power transmission line, can play good insulation protection function when the insulation box is connected, avoids the occurrence of electric leakage risk, is convenient to install, and can reduce the installation difficulty of constructors.
In order to solve the not enough in the prior art, this application provides a high voltage insulation device under low temperature environment, includes: the box body, the insulation box, the first insulator and the second insulator; the insulation box is fixedly connected with the box body through a first insulator, the inside of the insulation box is fixedly connected with the connector through a second insulator, the side end of the box body is in penetrating connection with an inner umbrella skirt, the inner umbrella skirt is in threaded connection with an outer umbrella skirt, the edge of one side of the inner umbrella skirt is fixedly connected with a sealing ring, the edge of the other side of the inner umbrella skirt is movably connected with a limiting sleeve in a sleeved mode, the inner umbrella skirt and the outer umbrella skirt are both in sleeved connection with a power transmission line, and the power transmission line is fixedly connected with the connector; the insulation box bottom is respectively fixedly connected with the connecting pipe and the negative pressure pipe, the connecting pipe bottom is fixedly connected with a fixed pipe, the fixed pipe bottom is fixedly connected with the alarm, the inside of the fixed pipe is fixedly connected with the piston through a spring, a touch switch is fixedly installed inside the bottom end of the fixed pipe, the touch switch is correspondingly arranged at the bottom of the piston, and the touch switch is electrically connected with the alarm.
Further, evenly be equipped with a plurality of first insulator between box and the insulation box, a plurality of first insulator symmetric distribution is to the insulation box both sides, the inside evenly distributed of insulation box has the second insulator, first insulator and second insulator surface all are equipped with a plurality of umbrella skirt.
Further, interior umbrella skirt and box lateral wall sliding connection, interior umbrella skirt's quantity is two, two interior umbrella skirt symmetric distribution is to the box both sides, interior concave surface has been seted up to interior umbrella skirt one side, is located interior concave surface edge interior umbrella skirt is equipped with the sealing washer, the sealing washer is annular structure and is connected with the laminating of box inner wall, be formed with the clearance between interior umbrella skirt and the box.
Further, interior umbrella skirt extends to the box outside and cup joints with outer umbrella skirt, outer concave surface has been seted up to outer umbrella skirt lateral wall, be equipped with the stop collar between outer umbrella skirt and the box, the stop collar is ring-shaped structure and with interior umbrella skirt surface sliding connection, stop collar one side edge is connected with outer umbrella skirt surface laminating, stop collar opposite side edge is connected with box surface laminating, is located outer umbrella skirt one side the cavity is seted up in the stop collar is inside for expanding glue to be stored, the through-hole has been seted up on outer umbrella skirt surface, through-hole and cavity intercommunication.
Further, connecting pipe and negative pressure pipe all communicate with the insulation box bottom, the connecting pipe diameter is less than fixed pipe diameter, fixed intraduct and piston seal sliding connection, the piston bottom evenly is equipped with a plurality of spring, the piston top contacts with touch switch, the piston top is connected with the connecting pipe edge laminating, connecting pipe and negative pressure pipe symmetric distribution are to the insulation box both sides.
Further, insulation case lateral wall fixedly connected with fixed block, insulation case one side is equipped with the shrouding, shrouding and fixed block are located insulation case homonymy, the equal fixedly connected with limiting plate in shrouding both ends, distance between the limiting plate is the same with insulation case's length, the limiting plate is connected with insulation case surface laminating, the limiting plate is located between the fixed block, shrouding lateral wall and sealing strip fixed connection, the sealing strip is connected with insulation case edge laminating, even bolt runs through grafting all around the shrouding, the bolt is located the sealing strip outside.
Further, all cup joint fixedly connected with insulation support at insulation box both ends, inside all cup joints with the power transmission line is sealed to insulation support, the negative pressure pipe of insulation box bottom is L shape structure, negative pressure pipe bottom fixedly connected with check valve.
Further, box one side fixedly connected with kuppe, the box lateral wall rotates with the revolving door to be connected, the revolving door is located the kuppe bottom, revolving door lateral wall fixedly connected with rubber strip, the rubber strip is connected with the laminating of box surface, the opening has been seted up to the box lateral wall.
Further, the slot hole has been seted up to revolving door bottom, the slot hole sets up in the sealing strip bottom, the inside grafting of threaded rod activity of slot hole, the quantity of threaded rod is two, two threaded rod symmetric distribution is in bottom half both sides, threaded rod and box outer wall fixed connection, threaded rod tip and nut threaded connection, the nut is connected with revolving door lateral wall laminating.
Further, be equipped with the rubber strip between box and the revolving door, the rubber strip is square hollow structure, the rubber strip is located the opening edge, opening and shrouding all are located insulating case homonymy, the negative pressure pipe of insulating case bottom corresponds the setting in the opening bottom.
The beneficial point of the application lies in: the utility model provides a rational in infrastructure reliable and have low temperature insulating function and can realize high voltage insulation device under the low temperature environment of stable connection, it adopts box and insulation box to carry out the insulation protection of power transmission line and connector, effective insulation protection under the low temperature environment can be realized simultaneously, can effectively improve insulating effect through realizing vacuum treatment in insulation box, can avoid connector department to appear low temperature simultaneously, improve insulating protection effect, when long-time use leads to vacuum effect inefficacy in the insulation box, can play alarming function through the setting of connecting pipe and fixed pipe, avoid causing the emergence of incident, the convenience is carried out timely inspection maintenance, and be provided with the shrouding and turn gate can realize the quick installation of insulation box and box, improve the operating convenience, and can realize the insulation protection of high voltage power transmission line and box and insulation box junction, whole insulation device installation construction is simple, be favorable to reducing the construction degree of difficulty.
Drawings
FIG. 1 is a schematic view of a high voltage insulation apparatus in a low temperature environment according to one embodiment of the present application;
FIG. 2 is a schematic view of a first view structure of the embodiment shown in FIG. 1;
FIG. 3 is a schematic view of the front view of the interior of the insulation can of the embodiment of FIG. 2;
FIG. 4 is a schematic diagram of the internal side view of the insulation can of the embodiment of FIG. 2;
FIG. 5 is a schematic diagram of the exterior side view of the insulation can of the embodiment of FIG. 2;
FIG. 6 is a schematic diagram of the front view of the inner shed in the embodiment of FIG. 2;
FIG. 7 is a schematic view of a perspective structure of the inner shed in the embodiment shown in FIG. 2;
FIG. 8 is a schematic view of the embodiment of FIG. 2 showing a perspective view of the insulation can;
FIG. 9 is a schematic view of a perspective view of the sealing plate in the embodiment of FIG. 2;
fig. 10 is a schematic view showing the internal perspective structure of the fixing tube in the embodiment shown in fig. 2.
In the figure: 1. a case; 2. an insulation box; 3. a first insulator; 4. a second insulator; 5. a connector; 6. an insulating sleeve; 7. a power transmission line; 8. an inner umbrella skirt; 9. an outer umbrella skirt; 10. an inner concave surface; 11. a seal ring; 12. a gap; 13. a limit sleeve; 14. a through hole; 15. a cavity; 16. a connecting pipe; 17. a fixed tube; 18. an alarm; 19. a spring; 20. a piston; 21. a touch switch; 22. a negative pressure pipe; 23. a one-way valve; 24. a fixed block; 25. a sealing plate; 26. a limiting plate; 27. a sealing strip; 28. a bolt; 29. a guide cover; 30. a revolving door; 31. a rubber strip; 32. a long hole; 33. an opening; 34. a threaded rod; 35. and (3) a nut.
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 10, a high voltage insulation apparatus in a low temperature environment includes: a case 1, an insulating case 2, a first insulator 3, and a second insulator 4.
Referring to fig. 1 to 10, as a preferred scheme, an insulation box 2 is arranged inside a box body 1, the insulation box 2 is fixedly connected with the box body 1 through a first insulator 3, the insulation box 2 is fixedly connected with a connector 5 through a second insulator 4, the side end of the box body 1 is in penetrating connection with an inner umbrella skirt 8, the inner umbrella skirt 8 is in threaded connection with an outer umbrella skirt 9, one side edge of the inner umbrella skirt 8 is fixedly connected with a sealing ring 11, the other side edge of the inner umbrella skirt 8 is movably connected with a limiting sleeve 13 in a sleeved mode, the inner umbrella skirt 8 and the outer umbrella skirt 9 are both in sleeved connection with a power transmission line 7, the power transmission line 7 is fixedly connected with the connector 5, the first insulator 3 is used for installing the insulation box 2 inside the box body 1, theatre protection between the box body 1 and the insulation box 2 is achieved, the second insulator 4 is used for fixing the connector 5 inside the insulation box 2, the power transmission line 7 is connected with the connector 5, connection of the high-voltage power transmission line 7 is achieved, multiple insulation protection is achieved on the connector 5, simultaneously, the improvement of the insulation effect of the insulation box 2 can be achieved, and good vacuum insulation performance under low-temperature environment can be achieved.
Referring to fig. 3 and 10, as a specific scheme, the bottom of the insulation box 2 is fixedly connected with the connection pipe 16 and the negative pressure pipe 22 respectively, the bottom of the connection pipe 16 is fixedly connected with the fixing pipe 17, the bottom of the fixing pipe 17 is fixedly connected with the alarm 18, the inside of the fixing pipe 17 is fixedly connected with the piston 20 through the spring 19, the touch switch 21 is fixedly installed in the bottom end of the fixing pipe 17, the touch switch 21 is correspondingly arranged at the bottom of the piston 20, the touch switch 21 is electrically connected with the alarm 18, the connection pipe 16 is used for being connected with the fixing pipe 17, when the vacuum treatment is performed in the insulation box 2, the connection pipe 16 and the fixing pipe 17 can form negative pressure, the movement of the piston 20 is realized, the spring 19 is separated from the touch switch 21 after being in a stretched state, when the vacuum effect in the insulation box 2 is eliminated after being used for a long time, the elasticity of the spring 19 pulls the piston 20 to move and contacts the touch switch 21, the touch switch 21 realizes circuit communication of the alarm 18 so as to realize alarm, and long-time use of the insulation device under a low-temperature environment can be ensured.
Referring to fig. 2 to 5, as an extension scheme, a plurality of first insulators 3 are uniformly arranged between the box body 1 and the insulation box 2, the plurality of first insulators 3 are symmetrically distributed to two sides of the insulation box 2, second insulators 4 are uniformly distributed inside the insulation box 2, a plurality of umbrella skirts are arranged on the surfaces of the first insulators 3 and the second insulators 4, protection of flashover voltage can be effectively improved through the plurality of umbrella skirts on the surfaces of the first insulators 3 and the second insulators 4, insulation effect can be further improved, and stable installation of the insulation box 2 and the connector 5 can be realized.
Referring to fig. 1 to 3 and fig. 6 to 7, as a specific scheme, the inner umbrella skirt 8 is slidably connected with the side wall of the box body 1, the number of the inner umbrella skirts 8 is two, the two inner umbrella skirts 8 are symmetrically distributed to two sides of the box body 1, an inner concave surface 10 is formed on one side of the inner umbrella skirt 8, a sealing ring 11 is arranged on the inner umbrella skirt 8 positioned at the edge of the inner concave surface 10, the sealing ring 11 is of an annular structure and is in fit connection with the inner wall of the box body 1, a gap 12 is formed between the inner umbrella skirt 8 and the box body 1, the inner umbrella skirt 8 can be connected with the outer umbrella skirt 9, insulation between the power transmission line 7 and the box body 1 is achieved, the installation is convenient, after the inner umbrella skirt 8 is sleeved on the box body 1 after the rotating door 30 is opened, the inner umbrella skirt 8 and the outer umbrella skirt 9 are connected in a threaded mode after the box body 1 is sleeved with the high limiting sleeve 13, the inner concave surface 10 is arranged on the surface of the inner umbrella skirt 8, the situation that dust is adhered to cause flashover voltage can be avoided, the sealing ring 11 can achieve sealing connection between the inner umbrella skirt 8 and the box body 1, and the box body 1 can be further improved in insulation effect due to the gap 12.
Referring to fig. 1 to 3 and fig. 6 to 7, as a specific scheme, the inner umbrella skirt 8 extends to the outer side of the box body 1 and is sleeved with the outer umbrella skirt 9, an outer concave surface is formed in the side wall of the outer umbrella skirt 9, a limiting sleeve 13 is arranged between the outer umbrella skirt 9 and the box body 1, the limiting sleeve 13 is of a circular ring structure and is in sliding connection with the surface of the inner umbrella skirt 8, one side edge of the limiting sleeve 13 is in surface fit connection with the outer umbrella skirt 9, the other side edge of the limiting sleeve 13 is in surface fit connection with the surface of the box body 1, a cavity 15 is formed in the limiting sleeve 13 on one side of the outer umbrella skirt 9 for storing expansion rubber, a through hole 14 is formed in the surface of the outer umbrella skirt 9, the through hole 14 is communicated with the cavity 15, after the outer umbrella skirt 9 and the inner umbrella skirt 8 are installed, the expansion rubber is injected into the cavity 15, the limiting sleeve 13 can be pushed against the surface of the box body 1 after expansion rubber is expanded, further the sealing ring 11 is tightly fitted with the inner wall of the box body 1, meanwhile sealing connection between the inner umbrella skirt 8 and the outer umbrella skirt 9 is realized, and the problem of circuit communication caused by rainwater leakage can be prevented.
Referring to fig. 1 to 3 and fig. 5, 8 and 10, as a specific scheme, the connecting pipe 16 and the negative pressure pipe 22 are all communicated with the bottom of the insulation box 2, the pipe diameter of the connecting pipe 16 is smaller than that of the fixed pipe 17, the inside of the fixed pipe 17 is in sealing sliding connection with the piston 20, a plurality of springs 19 are uniformly arranged at the bottom of the piston 20, the top of the piston 20 is in contact with the touch switch 21, the top of the piston 20 is in edge fit connection with the edge of the connecting pipe 16, the connecting pipe 16 and the negative pressure pipe 22 are symmetrically distributed to the two sides of the insulation box 2, the piston 20 can slide in the inside of the fixed pipe 17 in a sealing manner, the contact of the touch switch 21 can be realized through the movement of the piston 20, the alarm 18 can alarm in time under the condition that the negative pressure state disappears, and the timely alarm treatment is convenient for constructors to maintain in time.
Referring to fig. 4 to 5 and fig. 8 to 9, as an extension scheme, the side wall of the insulation box 2 is fixedly connected with a fixed block 24, one side of the insulation box 2 is provided with a sealing plate 25, the sealing plate 25 and the fixed block 24 are positioned on the same side of the insulation box 2, both ends of the sealing plate 25 are fixedly connected with limiting plates 26, the distance between the limiting plates 26 is the same as the length of the insulation box 2, the limiting plates 26 are in surface lamination connection with the insulation box 2, the limiting plates 26 are positioned between the fixed blocks 24, the side wall of the sealing plate 25 is fixedly connected with a sealing strip 27, the sealing strip 27 is in edge lamination connection with the insulation box 2, the periphery of the sealing plate 25 is uniformly penetrated and spliced by bolts 28, the bolts 28 are positioned on the outer side of the sealing strip 27, the fixed block 24 is used for limiting the installation of the sealing plate 25 with the limiting plates 26, and after the bolts 28 are connected and fixed, the sealing strip 27 is in lamination with the edge side wall of the insulation box 2 to realize sealing connection.
Referring to fig. 2 to 3 and fig. 5 and 8, as an extension scheme, both ends of the insulation box 2 are all sleeved with the insulation sleeve 6 fixedly connected, the inside of the insulation sleeve 6 is all sleeved with the power transmission line 7 in a sealing manner, the negative pressure pipe 22 at the bottom of the insulation box 2 is of an L-shaped structure, the bottom end of the negative pressure pipe 22 is fixedly connected with the check valve 23, the power transmission line 7 passes through the insulation sleeve 6 and is connected with the connector 5 inside the insulation box 2 during installation, and the insulation protection between the insulation box 2 and the power transmission line 7 can be realized by the insulation sleeve 6.
Referring to fig. 1 and fig. 4 to 5, adopting such scheme, box 1 one side fixedly connected with kuppe 29, box 1 lateral wall rotates with revolving door 30 to be connected, revolving door 30 is located kuppe 29 bottom, revolving door 30 lateral wall fixedly connected with rubber strip 31, rubber strip 31 is connected with box 1 surface laminating, opening 33 has been seted up to box 1 lateral wall, kuppe 29 is used for playing the waterproof protect function of revolving door 30 department, revolving door 30 can realize through the laminating of rubber strip 31 simultaneously with sealing connection between the box 1, avoid the rainwater to get into and lead to the problem of wetting to appear.
Referring to fig. 1 and fig. 4 to 5, by adopting such a scheme, slot holes 32 are formed in the bottom of revolving door 30, slot holes 32 are formed in the bottom of sealing strip 27, slot holes 32 are movably inserted into threaded rods 34, the number of the threaded rods 34 is two, two threaded rods 34 are symmetrically distributed on two sides of the bottom of box body 1, threaded rods 34 are fixedly connected with the outer wall of box body 1, the end parts of threaded rods 34 are in threaded connection with nuts 35, nuts 35 are in fit connection with the side walls of revolving door 30, the revolving door 30 can be conveniently closed by arranging slot holes 32 and then are connected with threaded rods 34, compression fixation is realized by screwing nuts 35, tight connection between revolving door 30 and box body 1 is realized, and sealing performance is improved.
Referring to fig. 1 to 5, as a concrete scheme, a rubber strip 31 is arranged between the box body 1 and the revolving door 30, the rubber strip 31 is of a square hollow structure, the rubber strip 31 is positioned at the edge of the opening 33, the opening 33 and the sealing plate 25 are positioned at the same side of the insulation box 2, the negative pressure pipe 22 at the bottom of the insulation box 2 is correspondingly arranged at the bottom of the opening 33, the rubber strip 31 is used for being attached to the edge of the opening 33, the insulation performance is improved, the revolving door 30 can be conveniently opened and the sealing plate 25 can be conveniently dismounted when being dismounted and maintained, and meanwhile, the negative pressure pipe 22 is conveniently connected with negative pressure equipment to realize the extraction of air in the insulation box 2.
The technical scheme of this application, high voltage insulation device adopts box 1 and insulation box 2 to carry out the installation and the insulation protection of high voltage transmission line 7 under the whole low temperature environment, insulation box 2 is installed fixedly through first insulator 3, realize the insulation protection between box 1 and the insulation box 2, and carry out the installation of connector 5 through second insulator 4 in insulation box 2, can further improve insulation protection effect, and after the shrouding 25 installation is accomplished, take out the air in the insulation box 2 through negative pressure pipe 22, realize vacuum treatment in the insulation box 2, insulation protection under the low temperature environment can be realized, make connecting pipe 16 and fixed pipe 17 in the negative pressure form after the air is taken out, the elasticity of pressure overcoming spring 19 drives piston 20 and moves to fixed pipe 17 top and separates this moment with touch switch 21, make spring 19 can resume the original state when the negative pressure effect disappears in insulation box 2, and realize the circuit intercommunication of alarm 18 through touch switch 21, realize the alarm processing of vacuum condition, the convenience is in time maintained, improve insulation protection effect.
Simultaneously have simple to operate function, can realize the installation of power transmission line 7 department through the cooperation of interior umbrella skirt 8 and outer umbrella skirt 9 when power transmission line 7 installs, and have good insulation protection, avoid producing circuit intercommunication and lead to the production of dangerous accident between box 1 and the power transmission line 7, be applicable to simultaneously and use under low temperature environment and bad weather, can effectively play insulation function, realize the connection between insulation box 2 and the power transmission line 7 through insulating sleeve 6, can play insulation protection between power transmission line 7 and the insulation box 2, set up opening 33 in box 1 one side and can realize the installation of each structure, convenient operation can seal the protection through closing of revolving door 30 after the construction is accomplished, avoid the production of humid environment in the box 1, be favorable to improving insulation protection performance.
The foregoing is merely a specific embodiment of the present application and is not intended to limit the application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (10)
1. A high voltage insulation apparatus in a low temperature environment, comprising: the box body (1), the insulation box (2), the first insulator (3) and the second insulator (4);
the novel electric power box is characterized in that an insulation box (2) is arranged inside the box body (1), the insulation box (2) is fixedly connected with the box body (1) through a first insulator (3), the inside of the insulation box (2) is fixedly connected with a connector (5) through a second insulator (4), the side end of the box body (1) is in penetrating connection with an inner umbrella skirt (8), the inner umbrella skirt (8) is in threaded connection with an outer umbrella skirt (9), a sealing ring (11) is fixedly connected with one side edge of the inner umbrella skirt (8), the other side edge of the inner umbrella skirt (8) is in movable connection with a limiting sleeve (13), the inner umbrella skirt (8) and the outer umbrella skirt (9) are both in sleeve connection with a power transmission line (7), and the power line (7) is fixedly connected with the connector (5);
the insulation box (2) bottom respectively with connecting pipe (16) and negative pressure pipe (22) fixed connection, connecting pipe (16) bottom fixedly connected with fixed pipe (17), fixed pipe (17) bottom and alarm (18) fixed connection, fixed pipe (17) are inside to be passed through spring (19) and piston (20) fixed connection, fixed pipe (17) bottom internally mounted has touch switch (21), touch switch (21) correspond to set up in piston (20) bottom, touch switch (21) and alarm (18) electric connection.
2. The high-voltage insulation device under the low-temperature environment according to claim 1, wherein a plurality of first insulators (3) are uniformly arranged between the box body (1) and the insulation box (2), the plurality of first insulators (3) are symmetrically distributed to two sides of the insulation box (2), second insulators (4) are uniformly distributed in the insulation box (2), and a plurality of umbrella skirts are arranged on the surfaces of the first insulators (3) and the second insulators (4).
3. The high-voltage insulation device under the low-temperature environment according to claim 1, wherein the inner umbrella skirt (8) is slidably connected with the side wall of the box body (1), the number of the inner umbrella skirt (8) is two, the two inner umbrella skirts (8) are symmetrically distributed to the two sides of the box body (1), an inner concave surface (10) is formed in one side of the inner umbrella skirt (8), a sealing ring (11) is arranged on the inner umbrella skirt (8) at the edge of the inner concave surface (10), and the sealing ring (11) is of an annular structure and is in fit connection with the inner wall of the box body (1), and a gap (12) is formed between the inner umbrella skirt (8) and the box body (1).
4. The high-voltage insulation device under the low-temperature environment according to claim 1, wherein the inner umbrella skirt (8) extends to the outer side of the box body (1) and is sleeved with the outer umbrella skirt (9), an outer concave surface is formed in the side wall of the outer umbrella skirt (9), a limiting sleeve (13) is arranged between the outer umbrella skirt (9) and the box body (1), the limiting sleeve (13) is of a circular ring structure and is in sliding connection with the surface of the inner umbrella skirt (8), one side edge of the limiting sleeve (13) is in fit connection with the surface of the outer umbrella skirt (9), the other side edge of the limiting sleeve (13) is in fit connection with the surface of the box body (1), a cavity (15) is formed in the limiting sleeve (13) on one side of the outer umbrella skirt (9) and is used for storing expansion rubber, a through hole (14) is formed in the surface of the outer umbrella skirt (9), and the through hole (14) is communicated with the cavity (15).
5. The high-voltage insulation device under the low-temperature environment according to claim 1, wherein the connecting pipe (16) and the negative pressure pipe (22) are communicated with the bottom of the insulation box (2), the pipe diameter of the connecting pipe (16) is smaller than that of the fixed pipe (17), the inside of the fixed pipe (17) is in sealed sliding connection with the piston (20), a plurality of springs (19) are uniformly arranged at the bottom of the piston (20), the top of the piston (20) is in contact with the touch switch (21), the top of the piston (20) is in fit connection with the edge of the connecting pipe (16), and the connecting pipe (16) and the negative pressure pipe (22) are symmetrically distributed on two sides of the insulation box (2).
6. The high-voltage insulation device under the low-temperature environment according to claim 1, wherein the side wall of the insulation box (2) is fixedly connected with a fixed block (24), one side of the insulation box (2) is provided with a sealing plate (25), the sealing plate (25) and the fixed block (24) are positioned on the same side of the insulation box (2), two ends of the sealing plate (25) are fixedly connected with limiting plates (26), the distance between the limiting plates (26) is the same as the length of the insulation box (2), the limiting plates (26) are in fit connection with the surface of the insulation box (2), the limiting plates (26) are positioned between the fixed blocks (24), the side wall of the sealing plate (25) is fixedly connected with a sealing strip (27), the sealing strip (27) is in fit connection with the edge of the insulation box (2), all-round uniform bolts (28) penetrate and are inserted, and the bolts (28) are positioned on the outer side of the sealing strip (27).
7. The high-voltage insulation device under the low-temperature environment according to claim 1, wherein the two ends of the insulation box (2) are fixedly connected with insulation sleeves (6) in a sleeved mode, the interiors of the insulation sleeves (6) are all in sealed sleeved connection with a power transmission line (7), a negative pressure pipe (22) at the bottom of the insulation box (2) is of an L-shaped structure, and a one-way valve (23) is fixedly connected to the bottom end of the negative pressure pipe (22).
8. The high-voltage insulation device under the low-temperature environment according to claim 1, wherein a guide cover (29) is fixedly connected to one side of the box body (1), the side wall of the box body (1) is rotationally connected with a revolving door (30), the revolving door (30) is located at the bottom of the guide cover (29), a rubber strip (31) is fixedly connected to the side wall of the revolving door (30), the rubber strip (31) is in fit connection with the surface of the box body (1), and an opening (33) is formed in the side wall of the box body (1).
9. The high-voltage insulation device under the low-temperature environment according to claim 8, wherein long holes (32) are formed in the bottom of the revolving door (30), the long holes (32) are formed in the bottom of the sealing strip (27), the inside of the long holes (32) are movably inserted with threaded rods (34), the number of the threaded rods (34) is two, the two threaded rods (34) are symmetrically distributed on two sides of the bottom of the box body (1), the threaded rods (34) are fixedly connected with the outer wall of the box body (1), the end portions of the threaded rods (34) are in threaded connection with nuts (35), and the nuts (35) are in fit connection with the side walls of the revolving door (30).
10. The high-voltage insulation device under the low-temperature environment according to claim 1, wherein a rubber strip (31) is arranged between the box body (1) and the revolving door (30), the rubber strip (31) is of a square hollow structure, the rubber strip (31) is positioned at the edge of an opening (33), the opening (33) and the sealing plate (25) are positioned on the same side of the insulation box (2), and a negative pressure pipe (22) at the bottom of the insulation box (2) is correspondingly arranged at the bottom of the opening (33).
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| CN202210157111.8A CN114530299B (en) | 2022-02-21 | 2022-02-21 | High-voltage insulation device in low-temperature environment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210157111.8A CN114530299B (en) | 2022-02-21 | 2022-02-21 | High-voltage insulation device in low-temperature environment |
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| CN114530299B true CN114530299B (en) | 2023-05-05 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059994A (en) * | 1990-09-17 | 1992-04-01 | 株式会社日立制作所 | Gas insulated electric apparatus |
| JP2000067677A (en) * | 1998-08-21 | 2000-03-03 | Ngk Insulators Ltd | Compression molding method for composite insulator and forming die used therefor |
| JP2002329444A (en) * | 2001-05-01 | 2002-11-15 | Mitsubishi Electric Corp | Solid-state insulating switch |
| CN101752062A (en) * | 2010-02-09 | 2010-06-23 | 沈阳海为电力设备有限公司 | Explosion-proof transformer sleeve |
| CN203553032U (en) * | 2013-10-28 | 2014-04-16 | 施耐德电气华电开关(厦门)有限公司 | Outdoor vacuum circuit breaker used for electrified railway traction system |
| CN203895347U (en) * | 2014-05-29 | 2014-10-22 | 江苏华厦电力成套设备有限公司 | New switch pole |
| CN108766680A (en) * | 2018-04-02 | 2018-11-06 | 中国科学院电工研究所 | A kind of low temperature High-Voltage Insulation device of superconducting power device |
| CN113327738A (en) * | 2021-05-31 | 2021-08-31 | 湖南天威电气股份有限公司 | Transformer with gas insulation structure |
-
2022
- 2022-02-21 CN CN202210157111.8A patent/CN114530299B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059994A (en) * | 1990-09-17 | 1992-04-01 | 株式会社日立制作所 | Gas insulated electric apparatus |
| JP2000067677A (en) * | 1998-08-21 | 2000-03-03 | Ngk Insulators Ltd | Compression molding method for composite insulator and forming die used therefor |
| JP2002329444A (en) * | 2001-05-01 | 2002-11-15 | Mitsubishi Electric Corp | Solid-state insulating switch |
| CN101752062A (en) * | 2010-02-09 | 2010-06-23 | 沈阳海为电力设备有限公司 | Explosion-proof transformer sleeve |
| CN203553032U (en) * | 2013-10-28 | 2014-04-16 | 施耐德电气华电开关(厦门)有限公司 | Outdoor vacuum circuit breaker used for electrified railway traction system |
| CN203895347U (en) * | 2014-05-29 | 2014-10-22 | 江苏华厦电力成套设备有限公司 | New switch pole |
| CN108766680A (en) * | 2018-04-02 | 2018-11-06 | 中国科学院电工研究所 | A kind of low temperature High-Voltage Insulation device of superconducting power device |
| CN113327738A (en) * | 2021-05-31 | 2021-08-31 | 湖南天威电气股份有限公司 | Transformer with gas insulation structure |
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| CN114530299A (en) | 2022-05-24 |
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