CN116884802A - Solid sealed polar pole and power distribution system - Google Patents
Solid sealed polar pole and power distribution system Download PDFInfo
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- CN116884802A CN116884802A CN202310769500.0A CN202310769500A CN116884802A CN 116884802 A CN116884802 A CN 116884802A CN 202310769500 A CN202310769500 A CN 202310769500A CN 116884802 A CN116884802 A CN 116884802A
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- 239000007787 solid Substances 0.000 title claims abstract description 41
- 238000009826 distribution Methods 0.000 title claims abstract description 14
- 239000003990 capacitor Substances 0.000 claims abstract description 90
- 238000000605 extraction Methods 0.000 claims description 6
- 239000003985 ceramic capacitor Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 abstract description 38
- 238000000465 moulding Methods 0.000 abstract description 8
- 230000010354 integration Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000004809 Teflon Substances 0.000 description 4
- 229920006362 Teflon® Polymers 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
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- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/6606—Terminal arrangements
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The application relates to a solid-sealed polar pole and a power distribution system, and relates to the technical field of power engineering, wherein the solid-sealed polar pole comprises a shell, a vacuum arc-extinguishing chamber is arranged, and a fixed contact and a movable contact are arranged in the vacuum arc-extinguishing chamber; the incoming wire guide rod is connected with the shell, and one end of the incoming wire guide rod is connected with the fixed contact; the outgoing line guide rod is connected with the shell, and one end of the outgoing line guide rod is connected with the movable contact; the incoming line energy-taking high-voltage capacitor is arranged in the shell and is connected with the incoming line guide rod; and the outgoing line energy-taking high-voltage capacitor is arranged in the shell and is connected with the outgoing line guide rod. This solid utmost point post and distribution system that seals, it can improve the integrated level of solid utmost point post that seals, promotes the casting molding efficiency of solid utmost point post.
Description
Technical Field
The application relates to the technical field of power engineering, in particular to a solid-sealed polar pole and a power distribution system.
Background
The solid-sealed polar pole is an important component of the power transformer and is used for fixing a high-voltage winding and a low-voltage winding inside the transformer. The working principle is that the insulating material in the solid sealed polar pole is melted and filled into the gap between the high-voltage winding and the low-voltage winding through primary and secondary oiling, so that a firm insulator is formed, and the insulating property and the safety property of the transformer are ensured. At present, the solid sealed polar pole is through the voltage transformer to get energy and monitor voltage signal, and voltage transformer's volume is great to voltage transformer needs to be through wire connection inlet wire guide arm, leads to solid sealed polar pole pouring after whole integrated level lower.
Disclosure of Invention
In order to solve the technical problems, the embodiment of the application provides a solid-sealed polar pole and a power distribution system, which can improve the integration level of the solid-sealed polar pole and the casting molding efficiency of the solid-sealed polar pole.
In a first aspect, there is provided a solid seal pole comprising:
the shell is provided with a vacuum arc-extinguishing chamber, and a fixed contact and a moving contact are arranged in the vacuum arc-extinguishing chamber;
the incoming line guide rod is connected with the shell, and one end of the incoming line guide rod is connected with the fixed contact;
the outgoing line guide rod is connected with the shell, and one end of the outgoing line guide rod is connected with the moving contact;
the incoming line energy-taking high-voltage capacitor is arranged in the shell and is connected with the incoming line guide rod; and
the outgoing line energy-taking high-voltage capacitor is arranged in the shell and is connected with the outgoing line guide rod.
The embodiment of the application provides an immobilized electrode post, which comprises a shell, an incoming wire guide rod, an outgoing wire guide rod, an incoming wire energy-taking high-voltage capacitor and an outgoing wire energy-taking high-voltage capacitor, wherein the shell is provided with a vacuum arc-extinguishing chamber, a fixed contact and a moving contact are arranged in the vacuum arc-extinguishing chamber, the incoming wire guide rod is connected with the shell, one end of the incoming wire guide rod is connected with the fixed contact, the outgoing wire guide rod is connected with the shell, one end of the outgoing wire guide rod is connected with the moving contact, the incoming wire energy-taking high-voltage capacitor is arranged in the shell, the incoming wire energy-taking high-voltage capacitor is connected with the incoming wire guide rod, the outgoing wire energy-taking high-voltage capacitor is arranged in the shell, and the outgoing wire energy-taking high-voltage capacitor is connected with the outgoing wire guide rod; in the first aspect, compared with the scheme that the voltage transformer in the related art is connected with the incoming wire guide rod and the outgoing wire guide rod through the lead, the solid-sealed polar pole provided by the embodiment of the application can improve the space utilization rate by directly connecting the incoming wire energy-taking high-voltage capacitor with the incoming wire guide rod and directly connecting the outgoing wire energy-taking high-voltage capacitor with the outgoing wire guide rod, so that the integral integration level of the solid-sealed polar pole is effectively improved; in the second aspect, compared with the voltage transformer in the related art, the incoming line energy-taking high-voltage capacitor has small volume, can improve the integral integration level of the solid-sealed polar pole, and is beneficial to improving the casting molding efficiency of the solid-sealed polar pole; in the third aspect, the voltage sensor is removed from the solid-sealed polar pole, so that the number of casting parts is reduced, and the casting difficulty is reduced.
According to a first aspect of the present application, the encapsulated pole further comprises:
one end of the first wire is connected with the low-voltage side of the incoming line energy-taking high-voltage capacitor, and the other end of the first wire is used for extending out of the shell;
the high-voltage side of the incoming line energy-taking high-voltage capacitor is connected with the incoming line guide rod.
According to a first aspect of the present application, the encapsulated pole further comprises:
one end of the second wire is connected with the low-voltage side of the outgoing line energy-taking high-voltage capacitor, and the other end of the second wire is used for extending out of the shell;
the high-voltage side of the outgoing line energy-taking high-voltage capacitor is connected with the outgoing line guide rod.
According to a first aspect of the present application, the encapsulated pole further comprises:
the current sensor is sleeved on the outgoing line guide rod.
According to a first aspect of the present application, the encapsulated pole further comprises:
and one end of the third wire is connected with the current sensor, and the other end of the third wire is used for extending out of the shell.
According to a first aspect of the present application, the encapsulated pole further comprises:
and the spring contact finger is connected with the outgoing line guide rod and the moving contact.
According to the first aspect of the application, shielding nets are arranged on both sides of the incoming line energy taking high-voltage capacitor and both sides of the outgoing line energy taking high-voltage capacitor.
According to a first aspect of the application, the housing is further provided with an inner cavity; the solid sealed pole further comprises:
the movable guide rod is arranged in the vacuum arc-extinguishing chamber;
the insulation pull rod is arranged in the inner cavity; and
and the screw rod is connected with the movable guide rod and the insulating pull rod.
According to the first aspect of the application, the incoming line energy taking high-voltage capacitor and the outgoing line energy taking high-voltage capacitor are both ceramic capacitors.
In a second aspect, there is also provided a power distribution system comprising:
a power supply device;
the solid-sealed polar pole of the previous embodiment, wherein the incoming wire guide rod is connected with the power supply device.
The power distribution system provided by the embodiment of the application comprises a solid-sealed polar pole and has all functions of the solid-sealed polar pole, specifically, the solid-sealed polar pole comprises a shell, an incoming wire guide rod, an outgoing wire guide rod, an incoming wire energy-taking high-voltage capacitor and an outgoing wire energy-taking high-voltage capacitor, wherein the shell is provided with a vacuum arc-extinguishing chamber, a fixed contact and a moving contact are arranged in the vacuum arc-extinguishing chamber, the incoming wire guide rod is connected with the shell, one end of the incoming wire guide rod is connected with the fixed contact, the outgoing wire guide rod is connected with the shell, one end of the outgoing wire guide rod is connected with the moving contact, the incoming wire energy-taking high-voltage capacitor is arranged in the shell, the incoming wire energy-taking high-voltage capacitor is connected with the incoming wire guide rod, the outgoing wire energy-taking high-voltage capacitor is arranged in the shell, and the outgoing wire energy-taking high-voltage capacitor is connected with the outgoing wire guide rod; in the first aspect, compared with the scheme that the voltage transformer in the related art is connected with the incoming wire guide rod and the outgoing wire guide rod through the lead, the solid-sealed polar pole provided by the embodiment of the application can improve the space utilization rate by directly connecting the incoming wire energy-taking high-voltage capacitor with the incoming wire guide rod and directly connecting the outgoing wire energy-taking high-voltage capacitor with the outgoing wire guide rod, so that the integral integration level of the solid-sealed polar pole is effectively improved; in the second aspect, compared with the voltage transformer in the related art, the incoming line energy-taking high-voltage capacitor has small volume, can improve the integral integration level of the solid-sealed polar pole, and is beneficial to improving the casting molding efficiency of the solid-sealed polar pole; in the third aspect, the voltage sensor is removed from the solid-sealed polar pole, so that the number of casting parts is reduced, and the casting difficulty is reduced.
Drawings
The above and other objects, features and advantages of the present application will become more apparent by describing embodiments of the present application in more detail with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate the application and together with the embodiments of the application, and not constitute a limitation to the application. In the drawings, like reference numerals generally refer to like parts or steps.
Fig. 1 is a schematic structural diagram of a solid sealed pole according to an exemplary embodiment of the present application.
Fig. 2 is an enlarged schematic view at a in fig. 1.
Fig. 3 is an enlarged schematic view at B in fig. 1.
Fig. 4 is a schematic structural view of a solid sealed pole according to another exemplary embodiment of the present application.
Fig. 5 is an enlarged schematic view at C in fig. 4.
Fig. 6 is a block diagram of a power distribution system according to an exemplary embodiment of the present application.
Reference numerals: 10-fixedly sealing the polar post; 1-a vacuum arc extinguishing chamber; 11-spring fingers; 12-an outgoing line guide rod; 13-an incoming line guide rod; 14-moving guide rod; 15-a screw; 16-an outgoing line energy-taking high-voltage capacitor; 2-a housing; 20-an incoming line energy-taking high-voltage capacitor; 23-insulating pull rods; 31-a current sensor; 35-a first wire; 36-a second wire; 37-lumen; 38-a third wire; 41-a first wire outlet; 42-a second wire outlet; 43-a third wire outlet; a 60-power distribution system; 61-power supply means.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present application, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present application is conventionally put when used, it is merely for convenience of describing the present application and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present application, "plurality" means at least two.
In the description of the embodiments of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
Hereinafter, exemplary embodiments according to the present application will be described in detail with reference to the accompanying drawings. It should be apparent that the described embodiments are only some embodiments of the present application and not all embodiments of the present application, and it should be understood that the present application is not limited by the example embodiments described herein.
Fig. 1 is a schematic structural diagram of a solid sealed pole according to an exemplary embodiment of the present application.
As shown in fig. 1, the solid sealed pole 10 provided in the embodiment of the application may include a housing 2, where the housing 2 may be formed by casting epoxy resin, and the outer shape of the housing is a columnar structure, which may play a role in supporting and fixing, and ensure the mechanical strength and stability of internal elements.
As shown in fig. 1, a vacuum arc-extinguishing chamber 1 is arranged in a shell 2, a fixed contact and a movable contact are arranged in the vacuum arc-extinguishing chamber 1, and by means of excellent vacuum insulation and arc-extinguishing performance, the closing and breaking of a circuit can be realized, and after a power supply is cut off, the arc can be quickly extinguished and current can be restrained.
As shown in fig. 1, the solid-sealed pole 10 further includes an incoming wire guide rod 13, the incoming wire guide rod 13 is connected with the housing 2, one end of the incoming wire guide rod 13 is connected with the fixed contact, and the other end of the incoming wire guide rod 13 extends to the outside of the housing 2.
Specifically, the wire-in guide 13 may transfer the current to the stationary contact, and then the current passes through the vacuum interrupter 1 to the moving contact.
As shown in fig. 1, the solid sealed pole 10 further includes an outgoing line guide rod 12, where the outgoing line guide rod 12 is connected with the housing 2, one end of the outgoing line guide rod 12 is connected with the moving contact, and the other end of the outgoing line guide rod 12 extends to the outside of the housing 2.
Specifically, after reaching the moving contact, the current can be transferred to the outlet guide rod 12, so that the current is transferred to other electric equipment through the outlet guide rod 12.
As shown in fig. 1, the solid-sealed polar pole 10 further includes an incoming line energy-taking high-voltage capacitor 20, the incoming line energy-taking high-voltage capacitor 20 is disposed in the housing 2, and the incoming line energy-taking high-voltage capacitor 20 is connected with the incoming line guide rod 13.
Specifically, compared with the voltage transformer in the related art, the incoming line energy-taking high-voltage capacitor 20 not only can realize the function of the voltage transformer, but also has small volume, can promote the integral integration level of the solid-sealed polar pole 10, and is beneficial to improving the casting molding efficiency of the solid-sealed polar pole 10.
As shown in fig. 1, the solid sealed pole 10 further includes an outgoing line energy-taking high-voltage capacitor 16, the outgoing line energy-taking high-voltage capacitor 16 is disposed in the housing 2, and the outgoing line energy-taking high-voltage capacitor 16 is connected with the outgoing line guide rod 12, so that compared with a voltage transformer in the related art, the volume of the outgoing line energy-taking high-voltage capacitor 16 is small, the integral integration level of the solid sealed pole 10 can be improved, and the casting molding efficiency of the solid sealed pole 10 is improved.
In an embodiment, the power is obtained through the incoming line energy-taking high-voltage capacitor 20 and the outgoing line energy-taking high-voltage capacitor 16, and can be directly supplied to the intelligent control terminal for use.
In an embodiment, the incoming line energy-taking high-voltage capacitor 20 and the outgoing line energy-taking high-voltage capacitor 16 are ceramic capacitors, and the ceramic capacitors have the advantages of small volume, good stability, high temperature resistance, long service life and the like, so that the overall service life of the solid-sealed pole 10 is effectively prolonged.
In one embodiment, shielding nets are installed on both sides of the incoming line energy extraction high voltage capacitor 20 and both sides of the outgoing line energy extraction high voltage capacitor 16.
Specifically, the shielding net can reduce the electric field intensity, and can reduce the influence of corona effect on both sides of the incoming line energy-taking high-voltage capacitor 20 and the outgoing line energy-taking high-voltage capacitor 16, so that the partial discharge problem existing in the solid-sealed polar pole 10 can be improved, the uniform electric field is realized, the electric field intensity is reduced, and the power frequency voltage-withstanding level is improved.
In one embodiment, the two sides of the incoming line energy taking high voltage capacitor 20 and the outgoing line energy taking high voltage capacitor 16 are used for storing and releasing high voltage electric energy, and the two sides of the incoming line energy taking high voltage capacitor 20 and the outgoing line energy taking high voltage capacitor 16 are both composed of two electrodes and a medium, wherein the medium is usually a dielectric medium, such as a polypropylene film.
In an embodiment, the two sides of the incoming line energy-taking high-voltage capacitor 20 and the lead of the outgoing line energy-taking high-voltage capacitor 16 can be made of a high-temperature-resistant teflon shielding wire with good shielding effect, a lead tube is not needed, and the length of the lead wire can be adjusted according to requirements, so that the casting difficulty can be reduced.
The embodiment of the application provides an immobilized electrode column 10, which comprises a shell 2, an incoming wire guide rod 13, an outgoing wire guide rod 12, an incoming wire energy taking high-voltage capacitor 20 and an outgoing wire energy taking high-voltage capacitor 16, wherein the shell 2 is provided with a vacuum arc-extinguishing chamber 1, a fixed contact and a moving contact are arranged in the vacuum arc-extinguishing chamber 1, the incoming wire guide rod 13 is connected with the shell 2, one end of the incoming wire guide rod 13 is connected with the fixed contact, the outgoing wire guide rod 12 is connected with the shell 2, one end of the outgoing wire guide rod 12 is connected with the moving contact, the incoming wire energy taking high-voltage capacitor 20 is arranged in the shell 2, the incoming wire energy taking high-voltage capacitor 20 is connected with the incoming wire guide rod 13, the outgoing wire energy taking high-voltage capacitor 16 is arranged in the shell 2, and the outgoing wire energy taking high-voltage capacitor 16 is connected with the outgoing wire guide rod 12; in the first aspect, compared with the scheme that the voltage transformer in the related art is connected with the incoming wire guide rod 13 and the outgoing wire guide rod 12 through the wires, the solid-sealed polar pole 10 provided by the embodiment of the application can improve the space utilization rate by directly connecting the incoming wire energy-taking high-voltage capacitor 20 with the incoming wire guide rod 13 and directly connecting the outgoing wire energy-taking high-voltage capacitor 16 with the outgoing wire guide rod 12, so that the integral integration level of the solid-sealed polar pole 10 is effectively improved; in the second aspect, compared with the voltage transformer in the related art, the incoming line energy-taking high-voltage capacitor 20 has small volume, can improve the integral integration level of the solid-sealed polar pole 10, and is beneficial to improving the casting molding efficiency of the solid-sealed polar pole 10; in the third aspect, the voltage sensor is omitted from the solid-sealed pole 10, so that the number of casting parts is reduced, and the casting difficulty is reduced.
In an embodiment, the solid sealed pole 10 is integrally cast by APG (automatic pressure gel) process, and the solid sealed pole 10 is assembled without secondary filling and sealing process, so that the insulating property of the formed solid sealed pole 10 is better, the casting efficiency can be effectively improved, and the casting cost can be reduced.
Specifically, the APG process (automatic pressure gel process) is a novel application process for epoxy resin, and specific process engineering may include:
preparation: the required APG casting material, the solid sealed pole 10 mold, APG casting equipment, etc. are prepared.
Oiling a die: the surface of the die of the solid sealed pole 10 is coated with a layer of release agent so as to facilitate the taking out after the subsequent pouring is completed.
Mixing casting materials: and uniformly mixing the APG casting materials according to a certain proportion, adding a catalyst and a hardening agent, and uniformly mixing.
Pouring: pouring the mixed APG casting material into the mold of the solid sealed pole 10, taking care to control the casting speed and pressure to ensure that the casting material fills the entire mold.
Curing: the solid sealed pole 10 mold after casting is placed in an incubator, and after a certain period of curing, the APG casting material becomes a hard solid.
And (5) taking out: and taking the cured and sealed pole 10 out of the mold, and removing excessive leftover materials and burrs.
And (3) checking: the encapsulated pole 10 is inspected for appearance, size, and electrical performance to ensure compliance.
And (3) packaging: the certified encapsulated pole 10 is packaged for shipping and use.
As shown in fig. 1, the solid sealed pole 10 further includes a first wire 35, one end of the first wire 35 is connected to the low voltage side of the incoming line energy-taking high voltage capacitor 20, and the other end of the first wire 35 is used for extending out of the housing 2, and the high voltage side of the incoming line energy-taking high voltage capacitor 20 is connected to the incoming line guide rod 13.
Specifically, when the vacuum arc-extinguishing chamber 1 is in a closing state, a high-voltage end voltage signal passes through a static contact of the vacuum arc-extinguishing chamber 1 from the incoming line guide rod 13, and then is led out of the housing 2 through the incoming line energy-taking high-voltage capacitor 20 and the first lead 35 for application of a secondary device. In this process, the incoming line energy taking high-voltage capacitor 20 can monitor and take energy from the high-voltage terminal voltage signal.
In one embodiment, the first wire 35 is fixed inside the housing 2 by casting.
In an embodiment, the first wire 35 may be a teflon shielding wire with high temperature resistance and good shielding effect, and the length of the first wire 35 may be adjusted according to requirements without a conduit, so that the casting difficulty may be reduced, and the casting efficiency may be improved.
Fig. 2 is an enlarged schematic view at a in fig. 1.
As shown in fig. 2, the bottom of the housing 2 is provided with a first wire outlet hole 41, and the first wire 35 extends out of the housing 2 through the first wire outlet hole 41.
As shown in fig. 1, the solid sealed pole 10 further includes a second conductive wire 36, one end of the second conductive wire 36 is connected to the low voltage side of the outgoing line energy taking high voltage capacitor 16, and the other end of the second conductive wire 36 is used for extending out of the housing 2, and the high voltage side of the outgoing line energy taking high voltage capacitor 16 is connected to the outgoing line guide rod 12.
Specifically, when the vacuum interrupter 1 is in a closing state, the low-voltage end voltage signal passes through the moving contact of the vacuum interrupter 1 from the incoming wire guide rod 13, and then passes through the outgoing wire energy-taking high-voltage capacitor 16 and the second wire 36 to be led out of the housing 2 for application of a secondary device. In this process, the outgoing line energy-taking high-voltage capacitor 16 can monitor and take energy from the low-voltage terminal voltage signal.
In one embodiment, the second wire 36 is secured to the interior of the housing 2 by casting.
In an embodiment, the second wire 36 may be a teflon shielding wire with high temperature resistance and good shielding effect, and the length of the second wire 36 may be adjusted according to requirements without a conduit, so that the casting difficulty may be reduced, and the casting efficiency may be improved.
Fig. 3 is an enlarged schematic view at B in fig. 1.
As shown in fig. 3, a second wire outlet hole 42 is provided at the bottom of the housing 2, and the second wire 36 extends out of the housing 2 through the second wire outlet hole 42.
Fig. 4 is a schematic structural view of a solid sealed pole according to another exemplary embodiment of the present application.
As shown in fig. 4, the solid sealed pole 10 further includes a current sensor 31, and the current sensor 31 is sleeved on the outlet guide rod 12.
It should be noted that, the current sensor 31 is a detection device, and the current sensor 31 can sense the information of the detected current, and can convert the sensed information into an electrical signal or other information output in a required form according to a certain rule, so as to meet the requirements of transmission, processing, storage, display, recording, control and the like of the information.
Specifically, when the vacuum interrupter 1 is in a closing state, a current signal flows into the vacuum interrupter 1 from the incoming wire guide rod 13 and is then output through the outgoing wire guide rod 12, and at this time, the current sensor 31 can monitor the current condition of the outgoing wire guide rod 12, so as to realize a current monitoring function.
As shown in fig. 4, the encapsulated pole 10 further includes a third wire 38, one end of the third wire 38 is connected to the current sensor 31, and the other end of the third wire 38 is configured to extend out of the housing 2.
Specifically, after the current sensor 31 senses a current, the phase sequence current signal and the zero sequence current signal may be led out of the housing 2 through the third wire 38.
In one embodiment, the third wire 38 is secured to the interior of the housing 2 by casting.
In an embodiment, the third wire 38 may be a teflon shielding wire with high temperature resistance and good shielding effect, and the length of the third wire 38 may be adjusted according to requirements without a conduit, so that the casting difficulty may be reduced, and the casting efficiency may be improved.
Fig. 5 is an enlarged schematic view at C in fig. 4.
As shown in fig. 5, a third wire outlet hole 43 is provided at the bottom of the housing 2, and the third wire 38 extends out of the housing 2 through the third wire outlet hole 43.
As shown in fig. 4, the solid sealed pole 10 further includes a spring contact finger 11, and the spring contact finger 11 is connected with the wire outlet guide rod 12 and the moving contact.
Specifically, the wire outlet guide rod 12 is connected with the movable contact of the vacuum arc-extinguishing chamber 1 through the spring contact finger 11, so that the connection reliability and stability can be ensured. The spring contact finger 11 can cause certain elastic deformation between the wire outlet guide rod 12 and the moving contact, so that the micro deformation and displacement of the electrical equipment caused by the factors of temperature, vibration and the like in the use process can be dealt with, and the stability and the reliability of the connecting point are ensured. Meanwhile, the spring contact finger 11 can also play a role in buffering, so that damage caused by external force impact on the connecting point is reduced.
As shown in fig. 1, the housing 2 is further provided with an inner cavity 37, and correspondingly, the solid-sealed pole 10 further comprises a movable guide rod 14, an insulating pull rod 23 and a screw rod 15, wherein the movable guide rod 14 is arranged in the vacuum arc-extinguishing chamber 1, the insulating pull rod 23 is arranged in the inner cavity 37, and the screw rod 15 is connected with the movable guide rod 14 and the insulating pull rod 23.
Specifically, in the vacuum interrupter 1, an arc may be generated between electrodes, and if the movable guide rod 14 is not supported and guided, the arc may drift or spread, resulting in poor arc extinguishing effect, and by operating the insulating tie rod 23, the position of the movable guide rod 14 may be adjusted, so that the movable guide rod 14 may stably guide the arc to the center of the vacuum interrupter 1, keeping the arc stable, and thus effectively extinguishing the arc.
In an embodiment, the movable guide rod 14 is connected with the movable contact, and the position of the movable guide rod 14 is adjusted through the insulating pull rod 23, so as to drive the movable contact to move, and realize switching of the closing and opening states of the solid-sealed pole 10.
In one embodiment, the screw 15 is a stud.
Fig. 6 is a block diagram of a power distribution system 60 according to an exemplary embodiment of the present application.
As shown in fig. 6, a power distribution system 60 provided in an embodiment of the present application includes: a power supply device 61; and the solid sealed pole 10 according to the foregoing embodiment, the wire inlet guide rod 13 is connected to the power supply device 61, and the current output by the power supply device 61 can enter the solid sealed pole 10 through the wire inlet guide rod 13 and then be output from the solid sealed pole 10 to the secondary device.
The power distribution system 60 provided by the embodiment of the application comprises a solid-sealed pole 10 and has all functions of the solid-sealed pole 10, specifically, the solid-sealed pole 10 comprises a shell 2, a wire inlet guide rod 13, a wire outlet guide rod 12, a wire inlet energy taking high-voltage capacitor 20 and a wire outlet energy taking high-voltage capacitor 16, wherein the shell 2 is provided with a vacuum arc-extinguishing chamber 1, a fixed contact and a movable contact are arranged in the vacuum arc-extinguishing chamber 1, the wire inlet guide rod 13 is connected with the shell 2, one end of the wire inlet guide rod 13 is connected with the fixed contact, the wire outlet guide rod 12 is connected with the shell 2, one end of the wire outlet guide rod 12 is connected with the movable contact, the wire inlet energy taking high-voltage capacitor 20 is arranged in the shell 2, the wire inlet energy taking high-voltage capacitor 20 is connected with the wire inlet guide rod 13, the wire outlet energy taking high-voltage capacitor 16 is arranged in the shell 2, and the wire outlet energy taking high-voltage capacitor 16 is connected with the wire outlet guide rod 12; in the first aspect, compared with the scheme that the voltage transformer in the related art is connected with the incoming wire guide rod 13 and the outgoing wire guide rod 12 through the wires, the solid-sealed polar pole 10 provided by the embodiment of the application can improve the space utilization rate by directly connecting the incoming wire energy-taking high-voltage capacitor 20 with the incoming wire guide rod 13 and directly connecting the outgoing wire energy-taking high-voltage capacitor 16 with the outgoing wire guide rod 12, so that the integral integration level of the solid-sealed polar pole 10 is effectively improved; in the second aspect, compared with the voltage transformer in the related art, the incoming line energy-taking high-voltage capacitor 20 has small volume, can improve the integral integration level of the solid-sealed polar pole 10, and is beneficial to improving the casting molding efficiency of the solid-sealed polar pole 10; in the third aspect, the voltage sensor is omitted from the solid-sealed pole 10, so that the number of casting parts is reduced, and the casting difficulty is reduced.
The basic principles of the present application have been described above in connection with specific embodiments, however, it should be noted that the advantages, benefits, effects, etc. mentioned in the present application are merely examples and not intended to be limiting, and these advantages, benefits, effects, etc. are not to be considered as essential to the various embodiments of the present application. Furthermore, the specific details disclosed herein are for purposes of illustration and understanding only, and are not intended to be limiting, as the application is not necessarily limited to practice with the above described specific details.
The block diagrams of the devices, apparatuses, devices, systems referred to in the present application are only illustrative examples and are not intended to require or imply that the connections, arrangements, configurations must be made in the manner shown in the block diagrams. As will be appreciated by one of skill in the art, the devices, apparatuses, devices, systems may be connected, arranged, configured in any manner. Words such as "including," "comprising," "having," and the like are words of openness and mean "including but not limited to," and are used interchangeably therewith. The terms "or" and "as used herein refer to and are used interchangeably with the term" and/or "unless the context clearly indicates otherwise. The term "such as" as used herein refers to, and is used interchangeably with, the phrase "such as, but not limited to.
It is also noted that in the apparatus, devices and methods of the present application, the components or steps may be disassembled and/or assembled. Such decomposition and/or recombination should be considered as equivalent aspects of the present application.
The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The foregoing description has been presented for purposes of illustration and description. Furthermore, this description is not intended to limit embodiments of the application to the form disclosed herein. Although a number of example aspects and embodiments have been discussed above, a person of ordinary skill in the art will recognize certain variations, modifications, alterations, additions, and subcombinations thereof.
Claims (10)
1. A solid sealed pole comprising:
the shell is provided with a vacuum arc-extinguishing chamber, and a fixed contact and a moving contact are arranged in the vacuum arc-extinguishing chamber;
the incoming line guide rod is connected with the shell, and one end of the incoming line guide rod is connected with the fixed contact;
the outgoing line guide rod is connected with the shell, and one end of the outgoing line guide rod is connected with the moving contact;
the incoming line energy-taking high-voltage capacitor is arranged in the shell and is connected with the incoming line guide rod; and
the outgoing line energy-taking high-voltage capacitor is arranged in the shell and is connected with the outgoing line guide rod.
2. The encapsulated pole of claim 1, further comprising:
one end of the first wire is connected with the low-voltage side of the incoming line energy-taking high-voltage capacitor, and the other end of the first wire is used for extending out of the shell;
the high-voltage side of the incoming line energy-taking high-voltage capacitor is connected with the incoming line guide rod.
3. The encapsulated pole of claim 1, further comprising:
one end of the second wire is connected with the low-voltage side of the outgoing line energy-taking high-voltage capacitor, and the other end of the second wire is used for extending out of the shell;
the high-voltage side of the outgoing line energy-taking high-voltage capacitor is connected with the outgoing line guide rod.
4. A solid state pole according to any of claims 1 to 3, further comprising:
the current sensor is sleeved on the outgoing line guide rod.
5. The encapsulated pole of claim 4, further comprising:
and one end of the third wire is connected with the current sensor, and the other end of the third wire is used for extending out of the shell.
6. A solid state pole according to any of claims 1 to 3, further comprising:
and the spring contact finger is connected with the outgoing line guide rod and the moving contact.
7. A solid state pole according to any of claims 1 to 3, wherein shielding mesh is mounted on both sides of the incoming line energy extraction high voltage capacitor and on both sides of the outgoing line energy extraction high voltage capacitor.
8. A solid state pole according to any of claims 1 to 3, wherein the housing is further provided with an inner cavity; the solid sealed pole further comprises:
the movable guide rod is arranged in the vacuum arc-extinguishing chamber;
the insulation pull rod is arranged in the inner cavity; and
and the screw rod is connected with the movable guide rod and the insulating pull rod.
9. A solid state pole according to any of claims 1 to 3, wherein the incoming line energy extraction high voltage capacitor and the outgoing line energy extraction high voltage capacitor are both ceramic capacitors.
10. A power distribution system, comprising:
a power supply device;
the encapsulated pole of any of claims 1 to 9, the incoming wire guide rod being connected to the power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310769500.0A CN116884802A (en) | 2023-06-27 | 2023-06-27 | Solid sealed polar pole and power distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310769500.0A CN116884802A (en) | 2023-06-27 | 2023-06-27 | Solid sealed polar pole and power distribution system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116884802A true CN116884802A (en) | 2023-10-13 |
Family
ID=88261363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310769500.0A Pending CN116884802A (en) | 2023-06-27 | 2023-06-27 | Solid sealed polar pole and power distribution system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116884802A (en) |
-
2023
- 2023-06-27 CN CN202310769500.0A patent/CN116884802A/en active Pending
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