CN110767451B - High-voltage non-corona resonant capacitor - Google Patents
High-voltage non-corona resonant capacitor Download PDFInfo
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- CN110767451B CN110767451B CN201911056418.3A CN201911056418A CN110767451B CN 110767451 B CN110767451 B CN 110767451B CN 201911056418 A CN201911056418 A CN 201911056418A CN 110767451 B CN110767451 B CN 110767451B
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- 239000003990 capacitor Substances 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 9
- 239000004743 Polypropylene Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims 4
- 230000005684 electric field Effects 0.000 abstract description 5
- 230000003014 reinforcing effect Effects 0.000 description 16
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/224—Housing; Encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/38—Multiple capacitors, i.e. structural combinations of fixed capacitors
- H01G4/385—Single unit multiple capacitors, e.g. dual capacitor in one coil
Abstract
The invention discloses a high-voltage non-corona resonance capacitor, and particularly relates to the technical field of electrode equipment. The invention improves the expandable space through the connecting mechanism, the corrugated pipe and the expander outside the core, so that the electric field near the electrode is more uniform, the voltage-resistant level and the partial discharge level are improved, the loss value is reduced, the partial discharge level can be improved, and the placing groove matched with the polar plate is arranged on one side of the base, so that the contact area between the polar plate and the base is improved, the stability between the polar plate and the base is improved, and the reliability of the product is improved.
Description
Technical Field
The invention relates to the technical field of electrode equipment, in particular to a high-voltage non-corona resonance capacitor.
Background
Two conductors close to each other with a layer of non-conductive insulating medium in between constitute the capacitor. When a voltage is applied across the two plates of the capacitor, the capacitor stores charge. The capacitance of the capacitor is numerically equal to the ratio of the amount of charge on one conductive plate to the voltage between the two plates. The basic unit of capacitance of a capacitor is farad (F). The capacitor element is generally denoted by letter C in the circuit diagram. The existing capacitor has unstable voltage due to unstable internal structure when the passing voltage is too high.
Disclosure of Invention
In order to overcome the above defects in the prior art, embodiments of the present invention provide a high-voltage corona-free resonant capacitor, which has a connection mechanism, and a bellows and an expander outside a core, thereby increasing an expandable space, making an electric field near an electrode uniform, increasing a withstand voltage level and a partial discharge level, and reducing a loss value, thereby increasing a partial discharge level, and a placement groove matched with a pole plate is disposed on one side of a base, thereby increasing a contact area between the pole plate and the base, increasing stability between the pole plate and the base, and increasing product reliability.
In order to achieve the purpose, the invention provides the following technical scheme: a high-voltage non-corona resonant capacitor comprises a base, wherein a shell is arranged at the top of the base, the shell comprises a cover plate and a bottom plate, the cover plate is fixedly connected to the top of the bottom plate, the bottom plate is fixedly connected to the top of the base, a core is arranged in the cover plate, two ends of the core are respectively provided with a connecting mechanism, and a fixing mechanism is arranged on one side of each connecting mechanism;
the connecting mechanism comprises a base, the base is arranged at one end of the core, a base plate is fixedly connected to the bottom of the base and fixedly connected with a bottom plate, a corrugated pipe is sleeved on the outer side of the core, two ends of the corrugated pipe are connected with the corresponding base, an expander is arranged at the joint of the two ends of the corrugated pipe and the base, a gap is formed between the expander and the base, a impregnant is arranged in the gap between the expander and the base, a polar plate is arranged on one side of the base, a placing groove is arranged on one side of the base facing the polar plate and matched with the polar plate, a through hole is arranged in the middle of the base in a penetrating manner, a connecting terminal is fixedly connected to one side of the polar plate close to the through hole, one end of the connecting terminal extends into the corrugated pipe and contacts with the core, the top of the polar plate penetrates through the top of the cover plate and extends to the outer side of the cover plate, and the top of the polar plate is fixedly connected with a high-voltage anti-corona wire.
In a preferred embodiment, the fixing mechanism includes a first fixing plate, the first fixing plate is disposed at the bottom of the pole plate, two ends of the first fixing plate are fixedly connected to the inner wall of the cover plate and one side of the base, respectively, a first supporting column is disposed at the bottom of the first fixing plate, and two ends of the first supporting column are fixedly connected to the bottom of the first fixing plate and the top of the base, respectively.
In a preferred embodiment, a second fixing plate is arranged on the top of the first fixing plate, one side of the second fixing plate is fixedly connected with the inner wall of the cover plate, a fixing hole is formed in the other end of the second fixing plate in a penetrating manner, the polar plate sleeve is arranged in the fixing hole, a connecting rod is arranged at the bottom of one end, close to the base, of the second fixing plate, and two ends of the connecting rod are fixedly connected with the second fixing plate and the base respectively.
In a preferred embodiment, a second supporting column is arranged between the first fixing plate and the second fixing plate, two ends of the second supporting column are respectively and fixedly connected with the first fixing plate and the second fixing plate, one end of the second supporting column is provided with a first reinforcing rod, two ends of the first reinforcing rod are respectively and fixedly connected with the second supporting column and the first fixing plate, the other end of the second supporting column is provided with a second reinforcing rod, and two ends of the second reinforcing rod are respectively and fixedly connected with the second supporting column and the second fixing plate.
In a preferred embodiment, the cover plate and the base plate are made of an insulating material, the pole plate and the connection terminal are made of an aluminum foil material, and the bellows is made of a stainless steel material.
In a preferred embodiment, the core comprises several elements connected in series, the elements consisting of a composite medium of capacitor paper and polypropylene film.
In a preferred embodiment, a first sealing ring is arranged between the connecting terminal and the through hole, a second sealing ring is arranged at the joint of the pole plate and the cover plate, and the first sealing ring and the second sealing ring are both made of rubber materials.
In a preferred embodiment, bolt holes are formed in two sides of the base plate, fastening screws are arranged in the bolt holes, and the base plate is fixedly connected with the bottom plate through bolts.
The invention has the technical effects and advantages that:
1. according to the invention, by arranging the connecting mechanism, the expandable space is improved through the corrugated pipe and the expander outside the core, so that the electric field near the electrode is relatively uniform, the impregnant is coated between the base and the expander and is matched with the first sealing ring at the through hole, the sealing performance of the device can be effectively improved, the withstand voltage level and the partial discharge level are improved, and the loss value is reduced, so that the partial discharge level is improved, and the placing groove matched with the polar plate is arranged on one side of the base, so that the contact area between the polar plate and the base is improved, the stability between the polar plate and the base is improved, so that the product reliability is improved;
2. according to the invention, the fixing mechanism is arranged, the first fixing plate and the second fixing plate can limit and fix the position of the polar plate, the second supporting column is arranged between the first fixing plate and the second fixing plate, and two stable triangular supporting mechanisms can be formed through the second supporting column and the first reinforcing rod and the second reinforcing rod at two ends, so that the stability between the first fixing plate and the second fixing plate can be effectively improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a sectional view of the overall structure of the present invention.
Fig. 3 is a schematic view of a portion of the structure shown in fig. 2.
Fig. 4 is a top view of the susceptor and plate structure of the present invention.
FIG. 5 is a schematic view of the core structure of the present invention.
FIG. 6 is a cross-sectional view of the base and backing plate structure of the present invention.
Fig. 7 is a schematic structural diagram of a first fixing plate and a second fixing plate according to the present invention.
The reference signs are: the structure comprises a base 1, a shell 2, a cover plate 3, a base plate 4, a core 5, a base 6, a base plate 7, a corrugated pipe 8, an expander 9, a impregnant 10, a polar plate 11, a placing groove 12, a through hole 13, a connecting terminal 14, a high-voltage anti-corona wire 15, a first fixing plate 16, a first supporting column 17, a second fixing plate 18, a fixing hole 19, a second supporting column 20, a first reinforcing rod 21, a second reinforcing rod 22, a first sealing ring 23, a second sealing ring 24, a bolt hole 25, a fastening screw 26 and a connecting rod 27.
Detailed description of the inventiontechnical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The high-voltage no-corona resonance capacitor comprises a base 1, wherein a shell 2 is arranged at the top of the base 1, the shell 2 comprises a cover plate 3 and a bottom plate 4, the cover plate 3 is fixedly connected to the top of the bottom plate 4, the bottom plate 4 is fixedly connected to the top of the base 1, a core 5 is arranged inside the cover plate 3, two ends of the core 5 are both provided with a connecting mechanism, and a fixing mechanism is arranged on one side of the connecting mechanism;
the connecting mechanism comprises a base 6, the base 6 is arranged at one end of a core 5, a base plate 7 is fixedly connected to the bottom of the base 6, the base plate 7 is fixedly connected with a bottom plate 4, a corrugated pipe 8 is sleeved on the outer side of the core 5, two ends of the corrugated pipe 8 are connected with the corresponding base 6, an expander 9 is arranged at the joint of the two ends of the corrugated pipe 8 and the base 6, a gap is formed between the expander 9 and the base 6, a steeping agent 10 is arranged in the gap between the expander 9 and the base 6, one side of the base 6 is provided with a polar plate 11, one side of the base 6 facing the polar plate 11 is provided with a placing groove 12, the placing groove 12 is matched with the polar plate 11, a through hole 13 is arranged in the middle of the base 6 in a penetrating manner, one side of the polar plate 11 close to the through hole 13 is fixedly connected with a connecting terminal 14, and one end of the connecting terminal 14 extends into the corrugated pipe 8, the top of the polar plate 11 penetrates through the top of the cover plate 3 and extends to the outer side of the cover plate 3, and the top of the polar plate 11 is fixedly connected with a high-voltage anti-corona wire 15;
the cover plate 3 and the bottom plate 4 are both made of insulating materials, the polar plate 11 and the connecting terminal 14 are both made of aluminum foil materials, and the corrugated pipe 8 is made of stainless steel materials;
the core 5 comprises 25-50 elements which are connected in series, and the elements consist of capacitor paper and a polypropylene film to form a composite medium;
the backing plate 7 is characterized in that bolt holes 25 are formed in two sides of the backing plate 7, fastening screws 26 are arranged in the bolt holes 25, and the backing plate 7 is fixedly connected with the bottom plate 4 through bolts.
The implementation mode is specifically as follows: when the device is used, the polar plates 11 in the two connecting mechanisms are respectively contacted with the positive electrode and the negative electrode of the core 5 through the connecting terminals 14, so that the two polar plates 11 are respectively the positive end and the negative end of a capacitor, the device can be connected into a frequency conversion circuit through the high-voltage anti-corona lead 15, when the device works, the expandable space is improved through the corrugated pipe 8 and the expander 9 outside the core 5, so that an electric field near the electrode is more uniform, the impregnant 10 is coated between the base 6 and the expander 9 and matched with the first sealing ring 23 at the through hole 13, the sealing performance of the device can be effectively improved, the voltage resistance level and the partial discharge level are improved, the loss value is reduced, so that the partial discharge level is improved, and the contact area between the polar plates 11 and the base 6 is improved by arranging the placing groove 12 matched with the polar plates 11 on one side of the base 6, the stability between the capacitor and the capacitor is improved, the reliability of the product is improved, and the implementation mode specifically solves the problems that the capacitor in the prior art is unstable in working and is not suitable for being used under the high-voltage condition.
According to the high-voltage non-corona resonance capacitor shown in fig. 1, fig. 2 and fig. 7, the fixing mechanism comprises a first fixing plate 16, the first fixing plate 16 is arranged at the bottom of the pole plate 11, two ends of the first fixing plate 16 are respectively fixedly connected with the inner wall of the cover plate 3 and one side of the base 6, a first supporting column 17 is arranged at the bottom of the first fixing plate 16, and two ends of the first supporting column 17 are respectively fixedly connected with the bottom of the first fixing plate 16 and the top of the bottom plate 4;
a second fixing plate 18 is arranged at the top of the first fixing plate 16, one side of the second fixing plate 18 is fixedly connected with the inner wall of the cover plate 3, a fixing hole 19 is formed in the other end of the second fixing plate 18 in a penetrating manner, the polar plate 11 is sleeved in the fixing hole 19, a connecting rod 27 is arranged at the bottom of one end, close to the base 6, of the second fixing plate 18, and two ends of the connecting rod 27 are fixedly connected with the second fixing plate 18 and the base 6 respectively;
a second supporting column 20 is arranged between the first fixing plate 16 and the second fixing plate 18, two ends of the second supporting column 20 are respectively and fixedly connected with the first fixing plate 16 and the second fixing plate 18, one end of the second supporting column 20 is provided with a first reinforcing rod 21, two ends of the first reinforcing rod 21 are respectively and fixedly connected with the second supporting column 20 and the first fixing plate 16, the other end of the second supporting column 20 is provided with a second reinforcing rod 22, and two ends of the second reinforcing rod 22 are respectively and fixedly connected with the second supporting column 20 and the second fixing plate 18;
a first sealing ring 23 is arranged between the connecting terminal 14 and the through hole 13, a second sealing ring 24 is arranged at the joint of the pole plate 11 and the cover plate 3, and the first sealing ring 23 and the second sealing ring 24 are made of rubber materials.
The implementation mode is specifically as follows: in use of the present invention, the first fixing plate 16 can support the bottom of the plate 11, and the fixing holes 19 of the second fixing plate 18, since the pole plate 11 passes through the fixing hole 19 to extend to the outside of the cover plate 3, the second fixing plate 18 can limit the position of the pole plate 11, thereby fixing the pole plate 11, and a second supporting column 20 is provided between the first fixing plate 16 and the second fixing plate 18, and by the second supporting column 20 and the first reinforcing rod 21 and the second reinforcing rod 22 at both ends, two stable triangular supporting mechanisms can be formed, the stability between the first fixing plate 16 and the second fixing plate 18 can be effectively improved, and the connecting rod 27 at one end of the second fixing plate 18 can also fix the base 6 to a certain extent, thereby improving the stability inside the equipment, this embodiment has specifically solved the unstable problem of condenser inner structure among the prior art.
The working principle of the invention is as follows:
referring to the attached drawings 1-6 of the specification, when the invention is used, the pole plates 11 in the two connecting mechanisms are respectively contacted with the positive electrode and the negative electrode of the core 5 through the connecting terminals 14, so that the two pole plates 11 are respectively the positive end and the negative end of the capacitor, the equipment can be connected into a frequency conversion circuit through the high-voltage anti-corona lead 15, when the invention is used, the expandable space is improved through the corrugated pipe 8 and the expander 9 on the outer side of the core 5, the electric field near the electrode is more uniform, the impregnant 10 is coated between the base 6 and the expander 9, and the sealing performance of the device can be effectively improved by matching with the first sealing ring 23 at the through hole 13, the withstand voltage level and the partial discharge level are improved, the loss value is reduced, the partial discharge level is improved, and the placing groove 12 matched with the pole plates 11 is arranged on one side of the base 6, thereby improving the contact area between the polar plate 11 and the base 6 and improving the stability between the polar plate and the base;
referring to the attached drawings 1, 2 and 7 in the specification, when the present invention is used, the first fixing plate 16 can support the bottom of the pole plate 11, and the fixing hole 19 of the second fixing plate 18, because the pole plate 11 passes through the fixing hole 19 and extends to the outer side of the cover plate 3, the second fixing plate 18 can limit the position of the pole plate 11, so as to fix the pole plate 11, and the second support pillar 20 is arranged between the first fixing plate 16 and the second fixing plate 18, and two stable triangular support mechanisms can be formed through the second support pillar 20 and the first reinforcing rod 21 and the second reinforcing rod 22 at two ends, so that the stability between the first fixing plate 16 and the second fixing plate 18 can be effectively improved, and the connecting rod 27 at one end of the second fixing plate 18 can also fix the base 6 to a certain extent.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (5)
1. A high-voltage non-corona resonant capacitor comprises a base (1), and is characterized in that: the top of the base (1) is provided with a shell (2), the shell (2) comprises a cover plate (3) and a bottom plate (4), the cover plate (3) is fixedly connected to the top of the bottom plate (4), the bottom plate (4) is fixedly connected to the top of the base (1), a core (5) is arranged inside the cover plate (3), two ends of the core (5) are both provided with a connecting mechanism, and one side of the connecting mechanism is provided with a fixing mechanism;
the connecting mechanism comprises a base (6), the base (6) is arranged at one end of a core (5), a base plate (7) is fixedly connected to the bottom of the base (6), the base plate (7) is fixedly connected with a bottom plate (4), a corrugated pipe (8) is sleeved on the outer side of the core (5), two ends of the corrugated pipe (8) are connected with the corresponding base (6), an expander (9) is arranged at the joint of two ends of the corrugated pipe (8) and the base (6), a gap is formed between the expander (9) and the base (6), a impregnant (10) is arranged in the gap between the expander (9) and the base (6), a polar plate (11) is arranged on one side of the base (6), a placing groove (12) is arranged on one side of the base (6) facing the polar plate (11), and the placing groove (12) is matched with the polar plate (11), a through hole (13) penetrates through the middle of the base (6), one side, close to the through hole (13), of the polar plate (11) is fixedly connected with a connecting terminal (14), one end of the connecting terminal (14) extends into the corrugated pipe (8) and is in contact with the core (5), the top of the polar plate (11) penetrates through the top of the cover plate (3) and extends to the outer side of the cover plate (3), and a high-voltage anti-corona lead (15) is fixedly connected to the top of the polar plate (11);
the fixing mechanism comprises a first fixing plate (16), the first fixing plate (16) is arranged at the bottom of the pole plate (11), two ends of the first fixing plate (16) are fixedly connected with the inner wall of the cover plate (3) and one side of the base (6) respectively, a first supporting column (17) is arranged at the bottom of the first fixing plate (16), and two ends of the first supporting column (17) are fixedly connected with the bottom of the first fixing plate (16) and the top of the base plate (4) respectively;
a second fixing plate (18) is arranged at the top of the first fixing plate (16), one side of the second fixing plate (18) is fixedly connected with the inner wall of the cover plate (3), a fixing hole (19) penetrates through the other end of the second fixing plate (18), the polar plate (11) is sleeved in the fixing hole (19), a connecting rod (27) is arranged at the bottom of one end, close to the base (6), of the second fixing plate (18), and two ends of the connecting rod (27) are fixedly connected with the second fixing plate (18) and the base (6) respectively;
be provided with second support column (20) between first fixed plate (16) and second fixed plate (18), second support column (20) both ends respectively with first fixed plate (16) and second fixed plate (18) fixed connection, second support column (20) one end is provided with first stiffener (21), first stiffener (21) both ends respectively with second support column (20) and first fixed plate (16) fixed connection, second support column (20) other end is provided with second stiffener (22), second stiffener (22) both ends respectively with second support column (20) and second fixed plate (18) fixed connection.
2. A high voltage corona-free resonant capacitor as recited in claim 1, wherein: the cover plate (3) and the bottom plate (4) are both made of insulating materials, the pole plate (11) and the connecting terminal (14) are both made of aluminum foil materials, and the corrugated pipe (8) is made of stainless steel materials.
3. A high voltage corona-free resonant capacitor as recited in claim 1, wherein: the core (5) comprises a plurality of elements which are connected in series, and the elements are composite media consisting of capacitor paper and polypropylene films.
4. A high voltage corona-free resonant capacitor as recited in claim 1, wherein: be provided with first sealing washer (23) between connecting terminal (14) and through-hole (13), the junction of polar plate (11) and apron (3) is provided with second sealing washer (24), first sealing washer (23) and second sealing washer (24) are made by rubber materials.
5. A high voltage corona-free resonant capacitor as recited in claim 1, wherein: the base plate is characterized in that bolt holes (25) are formed in two sides of the base plate (7), fastening screws (26) are arranged in the bolt holes (25), and the base plate (7) is fixedly connected with the base plate (4) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911056418.3A CN110767451B (en) | 2019-10-31 | 2019-10-31 | High-voltage non-corona resonant capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911056418.3A CN110767451B (en) | 2019-10-31 | 2019-10-31 | High-voltage non-corona resonant capacitor |
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| Publication Number | Publication Date |
|---|---|
| CN110767451A CN110767451A (en) | 2020-02-07 |
| CN110767451B true CN110767451B (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911056418.3A Active CN110767451B (en) | 2019-10-31 | 2019-10-31 | High-voltage non-corona resonant capacitor |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101645351A (en) * | 2009-09-22 | 2010-02-10 | 无锡市联达电器有限公司 | Capacitor of anti-fouling type breaker |
| CN201899094U (en) * | 2010-10-29 | 2011-07-20 | 财富自由网路科技股份有限公司 | Desk and chair structure for stretching |
| CN204732296U (en) * | 2015-05-19 | 2015-10-28 | 国家电网公司 | A kind of capacitor |
| LU100566B1 (en) * | 2017-12-18 | 2018-03-21 | Xiamen Xiang Xin De Trading Co Ltd | Miniature coupling capacitor |
| CN207668491U (en) * | 2017-12-11 | 2018-07-31 | 赣州金环浇铸设备有限公司 | Gliding style pouring device after a kind of |
| CN110010351A (en) * | 2019-04-26 | 2019-07-12 | 无锡市联达电器有限公司 | A kind of extra-high voltage equalizing capacitor capacitance-resistance device |
| CN209394539U (en) * | 2018-12-13 | 2019-09-17 | 天津浩源慧能科技有限公司 | A kind of stationary fixture being used to indicate device tensile test |
-
2019
- 2019-10-31 CN CN201911056418.3A patent/CN110767451B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101645351A (en) * | 2009-09-22 | 2010-02-10 | 无锡市联达电器有限公司 | Capacitor of anti-fouling type breaker |
| CN201899094U (en) * | 2010-10-29 | 2011-07-20 | 财富自由网路科技股份有限公司 | Desk and chair structure for stretching |
| CN204732296U (en) * | 2015-05-19 | 2015-10-28 | 国家电网公司 | A kind of capacitor |
| CN207668491U (en) * | 2017-12-11 | 2018-07-31 | 赣州金环浇铸设备有限公司 | Gliding style pouring device after a kind of |
| LU100566B1 (en) * | 2017-12-18 | 2018-03-21 | Xiamen Xiang Xin De Trading Co Ltd | Miniature coupling capacitor |
| CN209394539U (en) * | 2018-12-13 | 2019-09-17 | 天津浩源慧能科技有限公司 | A kind of stationary fixture being used to indicate device tensile test |
| CN110010351A (en) * | 2019-04-26 | 2019-07-12 | 无锡市联达电器有限公司 | A kind of extra-high voltage equalizing capacitor capacitance-resistance device |
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| Publication number | Publication date |
|---|---|
| CN110767451A (en) | 2020-02-07 |
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