CN113314287A - Collector-lightning arrester integrated device - Google Patents
Collector-lightning arrester integrated device Download PDFInfo
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- CN113314287A CN113314287A CN202110591863.0A CN202110591863A CN113314287A CN 113314287 A CN113314287 A CN 113314287A CN 202110591863 A CN202110591863 A CN 202110591863A CN 113314287 A CN113314287 A CN 113314287A
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- Prior art keywords
- collector
- signal collector
- arrester
- sleeve
- integrated device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/01—Mounting; Supporting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Combustion & Propulsion (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Thermistors And Varistors (AREA)
Abstract
The invention discloses a collector-lightning arrester integrated device. In the invention, the inner wall of the signal collector protective sleeve is provided with a connecting sleeve, the inner walls of the upper side and the lower side of the connecting sleeve are bonded with limit sliding plates, the inside of the connecting sleeve is connected with a first connecting rod in a sliding manner, one end of the first connecting rod, which is positioned in the connecting sleeve, is fixedly connected with a spring, the bottom of the signal collector protective sleeve is provided with a buffer base, the buffer base is made of rubber materials, and a buffer chamber is arranged above the inside of the buffer base; meanwhile, the product has the advantages that the primary side is completely isolated from high voltage, and the safety level is high; the service life is long, and the service life of the collector is longer than that of the lightning arrester; reasonable structure, convenient installation and is suitable for various use environments.
Description
Technical Field
The invention belongs to the technical field of safety protection of a power distribution network system, and particularly relates to a collector-lightning arrester integrated device.
Background
The distribution network is an electric power network which receives electric energy from a transmission network or a regional power plant and distributes the electric energy to various users on site through distribution facilities or step by step according to voltage. The power distribution network consists of overhead lines, cables, towers, distribution transformers, isolating switches, reactive power compensators, accessory facilities and the like, and plays a role in distributing electric energy in a power network. The power distribution network system monitoring is composed of a central processing unit (computer), Remote Terminal Units (RTU) in a power distribution substation, Feeder Terminal Units (FTU) of a power distribution substation, a switch station, a pole-mounted switch, a user remote terminal and the like distributed along a medium-voltage distribution line, and an information transmission channel. The function of the system is divided into two parts, wherein one part is a conventional SCADA function and mainly comprises data acquisition, alarming, event sequence recording, recollection after disturbance, remote control, remote adjustment, calculation, trend curve, historical data storage, event recording, a clock and an analog disk interface. The other part is the expanded safety monitoring and data acquisition system function.
But present arrester product does not take the collector, installs arrester monitor additional alone when needing monitoring data, perhaps tears the product down and makes the monitoring for it is comparatively inconvenient when using, and common arrester product's shock resistance is relatively poor simultaneously, and life is shorter.
Disclosure of Invention
The invention aims to: in order to solve the problems, the collector-arrester integrated device is provided.
The technical scheme adopted by the invention is as follows: a collector-arrester integrated device comprises a signal collector protective sleeve, wherein a signal collector is arranged inside the signal collector protective sleeve, an electrode is fixedly arranged above the signal collector, an arrester core winding layer is arranged outside the electrode, an arrester resistor disc is fixedly arranged at the top of the electrode, a composite outer sleeve is fixedly arranged above the arrester core winding layer, a signal output end is electrically connected outside the signal collector,
the inner wall of the signal collector protective sleeve is provided with a connecting sleeve, the inner walls of the upper side and the lower side of the connecting sleeve are bonded with limiting sliding plates, the inside of the connecting sleeve is connected with a first connecting rod in a sliding mode, one end, located inside the connecting sleeve, of the first connecting rod is fixedly connected with a spring, and the tail end of the left side of the spring is fixedly connected with a connecting disc;
the bottom of signal collector protective sheath is provided with buffer base, buffer base is rubber materials, buffer base's inside top is provided with the surge chamber, the top inner wall fixed mounting of surge chamber has buffering pneumatic cylinder, buffering pneumatic cylinder's bottom fixedly connected with limiting plate.
In a preferred embodiment, the number of the connecting sleeves and the fixed pressing discs is two, and the two connecting sleeves and the two fixed pressing discs are symmetrically arranged on the inner walls of the left side and the right side of the signal collector protective sleeve respectively.
In a preferred embodiment, the end of the connecting disc is provided with two sliding wheels, the two sliding wheels are symmetrically arranged on the upper side and the lower side of the connecting disc, and the sliding wheels are connected inside the limiting sliding plate in a sliding manner.
In a preferred embodiment, the ends of the left side and the right side of the limiting plate are fixedly provided with rotating wheels, and the left side and the right side of the buffer chamber are provided with sliding limiting grooves matched with the rotating wheels.
In a preferred embodiment, the lower surface of the limiting plate is fixedly connected with a second connecting rod, the second connecting rod penetrates through the inside of the buffer chamber, the second connecting rod is located at the tail end of the outside of the buffer chamber and is provided with a hard bottom plate, and the hard bottom plate is tightly attached to the inner wall of the bottom of the buffer base.
In a preferred embodiment, the interior of the buffer chamber is filled with rubber particles, and the rubber particles are vulcanized rubber particles.
In a preferred embodiment, an upper jacket layer is bonded to the top of the buffer base, and an opening at the top of the upper jacket layer is sleeved at the bottom of the signal collector protective sleeve.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. in the invention, the collector is solid cast by adopting an embedded mutual inductor and is integrated with the grounding end of the lightning arrester, thereby not only maintaining the primary side grounding system of the original line, but also isolating the measuring end. The collector is totally enclosed in the arrester body, and what gathered is the signal of arrester body, does not receive external environment such as humidity, filth etc. and influences, has guaranteed the degree of accuracy of data collection. Meanwhile, a signal output terminal is reserved at one end of the collector, and the structural strength of the original lightning arrester is also kept. In addition, when on-site monitoring is needed, power failure is not needed, the measuring end can be directly contacted with the output terminal to obtain monitoring data, so that the convenience of the device is improved, and the integral tidiness of the device in use is improved; meanwhile, the product has the advantages that the primary side is completely isolated from high voltage, and the safety level is high; the service life is long, and the service life of the collector is longer than that of the lightning arrester; the structure is reasonable, the installation is convenient, and the device is suitable for various use environments; and the device is integrated with primary equipment, so that the popularization is facilitated.
2. In the invention, the fixed extrusion disc can slide in the connecting sleeve through the sliding wheel and the spring, so that the distance between the fixed extrusion disc and the signal collector can be adjusted, in the installation process, the distance between the signal collector and two sides of the protective sleeve of the signal collector can be adjusted more conveniently, and meanwhile, the fixed extrusion disc can be adapted to signal collectors of different models for use, thereby increasing the convenience and the adjustability of the device.
3. According to the invention, the buffer base is arranged at the bottom of the signal collector protective sleeve, when the buffer base is impacted by the bottom, the hard bottom plate in the buffer base and the second connecting rod are matched with each other for use, so that rubber particles in the buffer chamber can be compressed, kinetic energy generated by vibration can be absorbed, the vibration amplitude can be buffered, the signal collector protective sleeve is prevented from being damaged due to impact, and the service life of the signal collector protective sleeve is prolonged. The economy of the device is improved.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a perspective view of a signal collector protective cover according to the present invention;
FIG. 3 is a schematic view of the internal structure of the connecting sleeve according to the present invention;
FIG. 4 is a schematic view of the internal structure of the buffering base according to the present invention.
The labels in the figure are: the lightning arrester comprises a 1-signal collector protective sleeve, a 2-electrode, a 3-lightning arrester core winding layer, a 4-composite outer sleeve, a 5-lightning arrester resistance card, a 6-signal collector, a 7-signal output end, an 8-fixed extrusion disc, a 9-connecting sleeve, a 10-buffer base, a 11-connecting rod I, a 12-hard bottom plate, a 13-spring, a 14-sliding wheel, a 15-limiting sliding plate, a 16-connecting disc, a 17-limiting plate, a 18-buffer hydraulic cylinder, a 19-upper sleeve layer, a 20-buffer chamber, a 21-connecting rod II and 22-rubber particles.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-4, a collector-arrester integrated device, including signal collector protective sheath 1, the inside of signal collector protective sheath 1 is provided with signal collector 6, the top fixed mounting of signal collector 6 has electrode 2, the outside of electrode 2 is provided with arrester core winding layer 3, the top fixed mounting of electrode 2 has arrester resistance card 5, the top fixed mounting of arrester core winding layer 3 has compound overcoat 4, the outside electric connection of signal collector 6 has signal output part 7, and the collector adopts embedded mutual-inductor solid casting, with the integration of arrester earthing terminal, both kept the primary side ground system of former circuit, has kept the measuring terminal again. The collector is totally enclosed in the arrester body, and what gathered is the signal of arrester body, does not receive external environment such as humidity, filth etc. and influences, has guaranteed the degree of accuracy of data collection. Meanwhile, a signal output terminal is reserved at one end of the collector, and the structural strength of the original lightning arrester is also kept. In addition, when on-site monitoring is needed, power failure is not needed, the measuring end can be directly contacted with the output terminal to obtain monitoring data, so that the convenience of the device is improved, and the integral tidiness of the device in use is improved; meanwhile, the product has the advantages that the primary side is completely isolated from high voltage, and the safety level is high; the service life is long, and the service life of the collector is longer than that of the lightning arrester; the structure is reasonable, the installation is convenient, and the device is suitable for various use environments; the system is integrated with primary equipment, so that the popularization is facilitated;
the inner wall of the signal collector protective sleeve 1 is provided with two connecting sleeves 9, and the two connecting sleeves 9 and the two fixed extrusion discs 8 are symmetrically arranged on the inner walls of the left side and the right side of the signal collector protective sleeve 1 respectively; limiting sliding plates 15 are bonded on the inner walls of the upper side and the lower side of the connecting sleeve 9, a first connecting rod 11 is connected inside the connecting sleeve 9 in a sliding mode, one end, located inside the connecting sleeve 9, of the first connecting rod 11 is fixedly connected with a spring 13, and the tail end of the left side of the spring 132 is fixedly connected with a connecting disc 16; the tail end of the connecting disc 16 is provided with two sliding wheels 14, the two sliding wheels 14 are symmetrically arranged on the upper side and the lower side of the connecting disc 16, and the sliding wheels 14 are connected inside the limiting sliding plate 15 in a sliding manner; the fixed extrusion disc 8 can slide in the connecting sleeve 9 through the sliding wheel 14 and the spring 13, so that the distance between the fixed extrusion disc 8 and the signal collector 6 can be adjusted, in the installation process, the distance between the signal collector 6 and the two sides of the signal collector protective sleeve 1 can be adjusted more conveniently, and meanwhile, the fixed extrusion disc can be adapted to the signal collectors 6 of different models for use, and the convenience and the adjustability of the device are improved;
a buffer base 10 is arranged at the bottom of the signal collector protective sleeve 1, an upper sleeve layer 19 is bonded to the top of the buffer base 10, and an opening at the top of the upper sleeve layer 19 is sleeved at the bottom of the signal collector protective sleeve 1; the buffer base 10 is made of rubber materials, a buffer chamber 20 is arranged above the interior of the buffer base 10, a buffer hydraulic cylinder 18 is fixedly mounted on the inner wall of the top of the buffer chamber 20, a limiting plate 17 is fixedly connected to the bottom of the buffer hydraulic cylinder 18, rotating wheels are fixedly mounted at the tail ends of the left side and the right side of the limiting plate 17, and sliding limiting grooves matched with the rotating wheels are formed in the left side and the right side of the buffer chamber 20; the lower surface of the limiting plate 17 is fixedly connected with a second connecting rod 21, the second connecting rod 21 penetrates through the interior of the buffer chamber 20, rubber particles 22 are filled in the buffer chamber 20, and the rubber particles 22 are vulcanized rubber particles; the second connecting rod 21 is provided with a hard bottom plate 12 at the outer end of the buffer chamber 20, and the hard bottom plate 12 is tightly attached to the inner wall of the bottom of the buffer base 10; signal collector protective sheath 1 bottom is provided with buffering base 10, when buffering base 10 received the impact of bottom, use of mutually supporting between the inside hard bottom plate 12 of buffering base 10 and two 21 connecting rods this moment, can compress the inside rubber granule 22 of surge chamber 20, thereby absorb the kinetic energy that the vibration produced, with cushion the vibration range, guaranteed that signal collector protective sheath 1 can not receive the impact and damage, thereby increased signal collector protective sheath 1's life. The economy of the device is improved.
The working principle is as follows: the collector is integrally cast with the grounding end of the lightning arrester by adopting an embedded mutual inductor, so that a primary side grounding system of an original line is maintained, and a measuring end is isolated. The collector is totally enclosed in the arrester body, and what gathered is the signal of arrester body, does not receive external environment such as humidity, filth etc. and influences, has guaranteed the degree of accuracy of data collection. Meanwhile, a signal output terminal is reserved at one end of the collector, and the structural strength of the original lightning arrester is also kept. In addition, when on-site monitoring is needed, power failure is not needed, the measuring end can be directly contacted with the output terminal to obtain monitoring data, so that the convenience of the device is improved, and the integral tidiness of the device in use is improved; meanwhile, the product has the advantages that the primary side is completely isolated from high voltage, and the safety level is high; the service life is long, and the service life of the collector is longer than that of the lightning arrester; the structure is reasonable, the installation is convenient, and the device is suitable for various use environments; the system is integrated with primary equipment, so that the popularization is facilitated; the fixed extrusion disc 8 can slide in the connecting sleeve 9 through a sliding wheel 14 and a spring 13, so that the distance between the fixed extrusion disc 8 and the signal collector 6 can be adjusted, in the installation process, the distance between the signal collector 6 and the two sides of the signal collector protective sleeve 1 can be adjusted more conveniently, and meanwhile, the fixed extrusion disc can be adapted to signal collectors 6 of different models for use, and the convenience and the adjustability of the device are improved; signal collector protective sheath 1 bottom is provided with buffering base 10, when buffering base 10 received the impact of bottom, use of mutually supporting between the inside hard bottom plate 12 of buffering base 10 and two 21 connecting rods this moment, can compress the inside rubber granule 22 of surge chamber 20, thereby absorb the kinetic energy that the vibration produced, with cushion the vibration range, guaranteed that signal collector protective sheath 1 can not receive the impact and damage, thereby increased signal collector protective sheath 1's life. The economy of the device is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a collector-arrester integrated device, includes signal collector protective sheath (1), its characterized in that: the signal collector protective sleeve is characterized in that a signal collector (6) is arranged inside the signal collector protective sleeve (1), an electrode (2) is fixedly mounted above the signal collector (6), an arrester core winding layer (3) is arranged outside the electrode (2), an arrester resistor disc (5) is fixedly mounted at the top of the electrode (2), a composite outer sleeve (4) is fixedly mounted above the arrester core winding layer (3), a signal output end (7) is electrically connected outside the signal collector (6),
a connecting sleeve (9) is arranged on the inner wall of the signal collector protective sleeve (1), limiting sliding plates (15) are bonded on the inner walls of the upper side and the lower side of the connecting sleeve (9), a first connecting rod (11) is connected inside the connecting sleeve (9) in a sliding manner, a spring (13) is fixedly connected to one end, located inside the connecting sleeve (9), of the first connecting rod (11), and a connecting disc (16) is fixedly connected to the tail end of the left side of the spring (13);
the bottom of signal collector protective sheath (1) is provided with buffer base (10), buffer base (10) are rubber materials, the inside top of buffer base (10) is provided with surge chamber (20), the top inner wall fixed mounting of surge chamber (20) has buffering pneumatic cylinder (18), the bottom fixedly connected with limiting plate (17) of buffering pneumatic cylinder (18).
2. A collector-arrester integrated device as claimed in claim 1, wherein: the number of the connecting sleeves (9) and the number of the fixed extrusion discs (8) are two, and the two connecting sleeves and the fixed extrusion discs are symmetrically arranged on the inner walls of the left side and the right side of the signal collector protective sleeve (1) respectively.
3. A collector-arrester integrated device as claimed in claim 1, wherein: the tail end of the connecting disc (16) is provided with two sliding wheels (14), the two sliding wheels (14) are symmetrically arranged on the upper side and the lower side of the connecting disc (16), and the sliding wheels (14) are connected to the inside of the limiting sliding plate (15) in a sliding mode.
4. A collector-arrester integrated device as claimed in claim 1, wherein: the tail ends of the left side and the right side of the limiting plate (17) are fixedly provided with rotating wheels, and the left side and the right side of the buffer chamber (20) are provided with sliding limiting grooves matched with the rotating wheels.
5. A collector-arrester integrated device as claimed in claim 1, wherein: the lower fixed surface of limiting plate (17) is connected with connecting rod two (21), connecting rod two (21) run through the inside of surge chamber (20), connecting rod two (21) are located the outside end of surge chamber (20) is provided with hardboard (12), hardboard (12) hug closely in the bottom inner wall of buffer base (10).
6. A collector-arrester integrated device as claimed in claim 1, wherein: the interior of the buffer chamber (20) is filled with rubber particles (22), and the rubber particles (22) are vulcanized rubber particles.
7. A collector-arrester integrated device as claimed in claim 1, wherein: an upper jacket layer (19) is bonded to the top of the buffer base (10), and the top opening of the upper jacket layer (19) is sleeved at the bottom of the signal collector protective sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110591863.0A CN113314287A (en) | 2021-05-28 | 2021-05-28 | Collector-lightning arrester integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110591863.0A CN113314287A (en) | 2021-05-28 | 2021-05-28 | Collector-lightning arrester integrated device |
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| Publication Number | Publication Date |
|---|---|
| CN113314287A true CN113314287A (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110591863.0A Pending CN113314287A (en) | 2021-05-28 | 2021-05-28 | Collector-lightning arrester integrated device |
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| CN210893782U (en) * | 2019-08-06 | 2020-06-30 | 王岐振 | Sampler for geological engineering oil field research |
| CN112216450A (en) * | 2020-11-02 | 2021-01-12 | 国网湖南省电力有限公司 | Monitoring integration arrester |
| WO2021004244A1 (en) * | 2019-07-08 | 2021-01-14 | 陕西和硕电气有限公司 | Automatic tripping and anti-falling arrester and a lightning protection and fuse integrated combination device |
| CN212516746U (en) * | 2020-07-28 | 2021-02-09 | 西亚电力设备有限公司 | Zinc oxide lightning arrester |
| CN213091017U (en) * | 2020-08-26 | 2021-04-30 | 中国电力工程顾问集团中南电力设计院有限公司 | Fiber grating type temperature monitoring device |
| CN213124002U (en) * | 2020-07-17 | 2021-05-04 | 武汉克雷盾科技有限公司 | Integrated lightning arrester with lightning stroke recording function |
-
2021
- 2021-05-28 CN CN202110591863.0A patent/CN113314287A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000286108A (en) * | 1999-03-30 | 2000-10-13 | Mitsubishi Electric Corp | Porcelain type arrester |
| US20180108461A1 (en) * | 2016-10-19 | 2018-04-19 | Southern States, Llc | Arrester Temperature Monitor |
| CN107768056A (en) * | 2017-11-13 | 2018-03-06 | 甘书宇 | A kind of arrester and its application method of built-in current transformer |
| CN208107466U (en) * | 2018-04-16 | 2018-11-16 | 华东交通大学 | A kind of wireless telecom equipment machine |
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| WO2021004244A1 (en) * | 2019-07-08 | 2021-01-14 | 陕西和硕电气有限公司 | Automatic tripping and anti-falling arrester and a lightning protection and fuse integrated combination device |
| CN210893782U (en) * | 2019-08-06 | 2020-06-30 | 王岐振 | Sampler for geological engineering oil field research |
| CN213124002U (en) * | 2020-07-17 | 2021-05-04 | 武汉克雷盾科技有限公司 | Integrated lightning arrester with lightning stroke recording function |
| CN212516746U (en) * | 2020-07-28 | 2021-02-09 | 西亚电力设备有限公司 | Zinc oxide lightning arrester |
| CN213091017U (en) * | 2020-08-26 | 2021-04-30 | 中国电力工程顾问集团中南电力设计院有限公司 | Fiber grating type temperature monitoring device |
| CN112216450A (en) * | 2020-11-02 | 2021-01-12 | 国网湖南省电力有限公司 | Monitoring integration arrester |
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Application publication date: 20210827 |