CN108445358B - High-safety arc characteristic detection device - Google Patents
High-safety arc characteristic detection device Download PDFInfo
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- CN108445358B CN108445358B CN201810236952.1A CN201810236952A CN108445358B CN 108445358 B CN108445358 B CN 108445358B CN 201810236952 A CN201810236952 A CN 201810236952A CN 108445358 B CN108445358 B CN 108445358B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
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Abstract
The invention discloses an arc characteristic detection device with high safety, which comprises a detection box, wherein a detection box door is arranged on the detection box, a fixed cylinder is fixedly arranged on a bottom plate in the detection box, a fixed detection strip is detachably arranged in the fixed cylinder, the top of the detection box is rotatably provided with a rotating ring, the high-safety arc characteristic detection and display device in the application, when the movable detection strip is installed, the protective cover slides upwards, the mouth part of the V-shaped spring clamp is opened, the movable detection strip is placed into the V-shaped spring clamp, the protective cover is loosened, under the elastic force of the spring, the protective cover slides downwards, the mouth part of the V-shaped spring clamp is closed to clamp the movable detection strip, when detecting, the detection case is in confined state, and the ball cover can be driven to slide on rotating the lead screw to the rotation lead screw when rotating, and the ball cover can drive the support ring and reciprocate together when sliding on rotating the lead screw.
Description
Technical Field
The application belongs to the technical field of electric arcs, and particularly relates to an electric arc characteristic detection device with high safety.
Background
Arcing is a gas discharge phenomenon, a transient spark generated by the passage of current through some insulating medium (e.g., air). An arc is a self-sustaining gas-conduction (electrical conduction in ionized gases) in which the majority of the carriers are electrons generated by primary electron emission, the surface of the contact metal causes the escape of electrons due to primary electron emission (thermionic, field or photo-electronic), and the gas atoms or molecules in the gap generate electrons and ions due to ionization (impact ionization, photo-ionization and thermal ionization). In addition, electron or ion bombardment of the emission surface can in turn cause secondary electron emission. When the concentration of ions in the gap is sufficiently large, the gap is electrically broken down and arcing occurs.
The high temperature of the arc, which may burn out the electrical contacts and other components around the contacts, may also cause fire and even explosion hazards to the oil filled equipment, jeopardize the safe operation of the power system, cause casualties and significant loss of property, since the arc is a gas conduction phenomenon, therefore, in the switching apparatus, although the switching contacts are separated, as long as an electric arc exists between the contacts, the circuit is not disconnected, the current exists at all, the circuit can be really disconnected until the electric arc is completely extinguished, the existence of the electric arc causes the time for the switching apparatus to disconnect the fault circuit, the damage of the short-circuit fault of the power system is aggravated, because the electric arc can move under the action of electric power and heat, the electric arc is easy to cause flashover short circuit, hurt people or cause the expansion of accidents, therefore, in order to ensure the safe operation of the power system, the switching device must quickly and reliably extinguish the arc during normal operation. The switch electrical appliances such as a vacuum circuit breaker, an SF6 circuit breaker, a load switch and the like in the high-low voltage switch cabinet are all provided with arc extinguishing chambers or arc extinguishing tubes, so that when electric arcs are generated, the arc extinguishing can be rapidly carried out, and the safety of equipment is ensured.
In order to understand the characteristics of the electric arc more deeply, the electric arc detection device in the prior art is produced, and mainly comprises a detection plate, a fixed block is fixedly arranged at one end of the detection plate, a sliding block is arranged at the other end of the detection plate in a sliding manner, the sliding block moves and is driven by a motor, the fixed block and the sliding block are respectively and electrically connected with the positive electrode and the negative electrode of a power supply, the sliding block is driven by the motor to be in contact with and separated from the fixed block to generate the electric arc, but the driving of the motor is inconvenient to control, the moving speed and the distance of the sliding block are difficult to master, and potential safety hazards exist when electric arcs generated by the contact of the positive electrode and the negative electrode are large during experiments, in addition, the arc detection device in the prior art is difficult to directly detect by naked eyes when the arc is small, and therefore, the arc characteristic detection device with high safety is provided to solve the problems.
Disclosure of Invention
In view of this, the present application is to solve the technical problems that the driving of the motor in the conventional art is inconvenient to control, the moving speed and distance of the slider are difficult to control, the characteristics of the arc are related to the material, the arc detection device in the prior art is inconvenient to replace the material, and the arc is difficult to directly observe when the arc is generated in a small amount. The invention provides an arc characteristic detection device with high safety, compared with the conventional technology, the arc characteristic detection device is convenient to control, high in safety and easy to observe.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention provides an arc characteristic detection device with high safety, which comprises a detection box, wherein a detection box door is arranged on the detection box, a fixed cylinder is fixedly arranged on a bottom plate in the detection box, a fixed detection strip is detachably arranged in the fixed cylinder, a rotating ring is rotatably arranged at the top of the detection box, the rotating ring and a position, close to the upper end, of a rotating screw rod are integrally formed, a ball sleeve is rotatably arranged on the rotating screw rod, the ball sleeve is rotatably clamped in a supporting ring, the back surface of the supporting ring is fixedly connected with a guide sliding block, the guide sliding block is slidably arranged on a guide sliding rail, the guide sliding rail is fixedly connected with the detection box, a supporting bearing is fixedly arranged at the lower end of the surface of the guide sliding rail, the lower end of the rotating screw rod is arranged in the supporting bearing, the front surface of the supporting ring is fixedly connected with a movable cylinder, and the side surface of the, and the other end of the protection trachea and the inside through connection of argon gas bottle, argon gas bottle fixed mounting is in the detection case, the inside below slidable mounting of activity section of thick bamboo has the safety cover, and demountable installation has movable detection strip in the activity section of thick bamboo, fixed mounting has V type spring clamp in the activity section of thick bamboo, the interior limit in close contact with of an end port portion of an activity section of thick bamboo is kept away from with the safety cover to the opening both sides of V type spring clamp, the activity detects the strip and presss from both sides in V type spring clamp.
As a preferred technical solution of the present invention, in a possible implementation manner, an opening structure is disposed below the front surface of the detection box, two sets of slide rails are fixedly mounted on two sides of the opening structure, and the detection box door is slidably mounted in the two sets of slide rails.
As a preferable technical solution of the present invention, in a possible implementation manner, an observation port is formed in the detection box door, an observation convex lens is fixedly installed in the observation port, and the observation convex lens corresponds to the fixed cylinder in position.
In a preferred embodiment of the present invention, a support cylinder is fixedly installed on a surface of the detection box, the rotary ring is rotatably installed in the support cylinder, and a lower end of the rotary screw rod penetrates through the support cylinder.
As a preferred technical solution of the invention, in a possible embodiment, the diameter of the protective cover is smaller than the inner diameter of the fixed cylinder, a stop ring is integrally formed at the bottom of the protective cover, and a spring is sleeved on the protective cover and is clamped between the stop ring and the movable cylinder.
As a preferred technical solution of the present invention, in a possible implementation manner, the movable cylinder and the fixed cylinder are arc-proof transparent structures, and the axes of the movable cylinder and the fixed cylinder are overlapped, and a sealing ring is fixedly installed at the mouth of the fixed cylinder.
As a preferred technical solution of the invention, in a possible implementation manner, a turntable is fixedly mounted at an upper end of the rotating screw rod, the turntable is in a regular polygon structure, and a surface of the turntable is in an anti-slip rubber structure.
As a preferred technical solution of the invention, in a possible implementation manner, an electrical connection clip is fixedly arranged in the fixing cylinder, and the fixing detection strip is detachably connected with the electrical connection clip.
Compared with the prior art, the application can obtain the following technical effects:
1. according to the high-safety arc characteristic detection and display device, when the movable detection strip is installed, the protective cover slides upwards, the opening of the V-shaped spring clamp is opened, the movable detection strip is placed into the V-shaped spring clamp, the protective cover is loosened, under the elastic force of the spring, the protective cover slides downwards, the opening of the V-shaped spring clamp is closed, and the movable detection strip is clamped;
2. according to the high-safety arc characteristic detection and display device, when detection is carried out, the detection box is in a closed state, the rotating screw rod can drive the ball sleeve to slide on the rotating screw rod when rotating, the ball sleeve can drive the support ring to move up and down together when sliding on the rotating screw rod, and the contact and separation of the fixed detection strip and the movable detection strip are easy to control;
3. according to the high-safety arc characteristic detection and display device, the guide sliding block is slidably mounted on the guide sliding rail and mainly plays a role in guiding, and the support ring is prevented from rotating along with the ball sleeve;
4. according to the high-safety arc characteristic detection and display device, when arc detection is carried out, the movable cylinder slides downwards, the head of the movable detection strip is in contact with the head of the fixed detection strip, the rotating screw rod is rotated at the moment, the movable detection strip is lifted, and the arc can be generated through repeated operation;
5. the high electric arc characteristic of security in this application detects display device, drives the safety cover and descends together when a movable section of thick bamboo descends, and when the safety cover contacted with the fixed cylinder, a movable section of thick bamboo can continue the activity at the minizone, and a movable section of thick bamboo and fixed cylinder keep apart with the external world this moment, and the protection effect is good.
Of course, it is not necessary for any one product to achieve all of the above-described technical effects simultaneously.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic view of a door opening structure of a detection box of an arc characteristic detection apparatus with high safety according to an embodiment of the present application;
FIG. 2 is a schematic view of a door closing structure of a detection box of the arc characteristic detection apparatus with high safety according to the embodiment of the present application;
fig. 3 is a schematic view of an internal structure of an arc characteristic detecting apparatus with high safety according to an embodiment of the present application;
fig. 4 is a front view of an internal structure of an arc characteristic detecting apparatus having high safety according to an embodiment of the present application;
FIG. 5 is an enlarged view taken at A of FIG. 4 of the present application;
FIG. 6 is a schematic view of a support ring mounting structure of an arc characteristic detecting apparatus according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a movable detection strip in an arc characteristic detection apparatus with high safety according to an embodiment of the present application.
In the figure: the device comprises a detection box 1, a fixed barrel 2, a fixed detection strip 3, a rotating ring 4, a rotating screw rod 5, a ball sleeve 6, a support ring 7, a guide slide block 8, a guide slide rail 9, a support bearing 10, a movable barrel 11, a protective gas pipe 12, an argon gas bottle 13, a protective cover 14, a movable detection strip 15, a spring clamp 16V, a slide rail 17, an observation port 18, an observation convex lens 19, a support barrel 20, a retaining ring 21, a spring 22, a turntable 23 and an electric connection clamp 24.
Detailed Description
Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.
As shown in fig. 1-7, the arc characteristic detection device with high safety of the invention comprises a detection box 1, wherein a detection box door is installed on the detection box 1, an opening structure is arranged below the front surface of the detection box 1, two sets of slide rails 17 are fixedly installed on two sides of the opening structure, the detection box door is slidably installed in the two sets of slide rails 17, the detection box 1 is in a non-transparent structure, when detection is carried out, the detection box 1 is in a closed state, and when a fixed detection strip 3 and a movable detection strip 15 are replaced, the detection box door can be directly slid upwards and opened, so that the operation is convenient.
Fixed 2 internal fixation of section of thick bamboo is equipped with electric connection clip 24, and fixed test strip 3 can be dismantled with electric connection clip 24 and be connected, and electric connection clip 24 and external power source's one end electric connection are convenient for carry out simple fixed, fixed test strip 3 and electric connection clip 24 electric connection to fixed test strip 3 through electric connection clip 24's setting.
The inspection box door is provided with the observation port 18, the observation convex lens 19 is fixedly mounted in the observation port 18, the observation convex lens 19 corresponds to the position of the fixed cylinder 2, the inspection box 1 is of a non-transparent structure, after the inspection box door is closed, the inside of the inspection box 1 can be observed through the observation port 18, the electric arc is easily observed due to the fact that the inside of the inspection box 1 is relatively dim, and the observation convex lens 19 can amplify the electric arc and is easy to observe.
Fixed mounting has a fixed section of thick bamboo 2 on the inside bottom plate of detection case 1, demountable installation has fixed detection strip 3 in the fixed section of thick bamboo 2, the rotatable change of installing in top of detection case 1 has swivel 4, the surface of detection case 1 runs through fixed mounting and has a support section of thick bamboo 20, swivel 4 is rotatable to be installed in a support section of thick bamboo 20, the side embedding of swivel 4 is equipped with the ball groove, the ball inslot roll card is equipped with the ball, be convenient for swivel 4's rotation, a support section of thick bamboo 20 mainly plays the effect of support to rotary screw 5, rotary screw 5's lower extreme runs through a support section of thick bamboo 20, rotary screw 5's upper end fixed mounting has carousel 23, carousel 23 is regular polygon structure, and the surface of carousel 23 is anti-skidding rubber structure, setting through carousel 23 does benefit to manual rotation rotary screw.
The position integrated into one piece that swivel 4 is close to the upper end with rotating lead screw 5, the last rotatable ball cover 6 of installing of rotating lead screw 5, rotating lead screw 5 can drive ball cover 6 and slide on rotating lead screw 5 in the pivoted, the rotatable card of ball cover 6 is established in support ring 7, ball cover 6 can drive support ring 7 and reciprocate together when sliding on rotating lead screw 5, the back and the 8 fixed connection of guide slider of support ring 7, 8 slidable mounting of guide slider are on guide slide rail 9, 8 main effects of direction that play of guide slider, prevent that support ring 7 from rotating along with ball cover 6 together.
The guide slide rail 9 is fixedly connected with the detection box 1, a support bearing 10 is fixedly arranged at the lower end of the surface of the guide slide rail 9, the lower end of the rotary screw rod 5 is installed in the support bearing 10, and the support bearing 10 plays a role in supporting the rotary screw rod 5.
The front of the supporting ring 7 is fixedly connected with the movable cylinder 11, a protective cover 14 is slidably mounted below the interior of the movable cylinder 11, the diameter of the protective cover 14 is smaller than the inner diameter of the fixed cylinder 2, a baffle ring 21 is integrally formed at the bottom of the protective cover 14, a spring 22 is sleeved on the protective cover 14, the spring 22 is clamped between the baffle ring 21 and the movable cylinder 11, a movable detection strip 15 is detachably mounted in the movable cylinder 11, a V-shaped spring clamp 16 is fixedly mounted in the movable cylinder 11, the opening part of the V-shaped spring clamp 16 is kept in an open state, two sides of an opening of the V-shaped spring clamp 16 are tightly contacted with the inner edge of the port part of one end, away from the movable cylinder 11, of the protective cover 14, the movable detection strip 15 is clamped in the V-shaped spring clamp 16, when the movable detection strip 15 is mounted, the protective cover 14 slides upwards, the opening part of the V-shaped spring clamp 16 is opened, the movable detection strip 15 is, under the force of spring 22, protective cover 14 slides downward and presses the mouth of V-shaped spring clamp 16 inward, closing the mouth of V-shaped spring clamp 16 and clamping movable test strip 15.
Fixed connection is run through with the one end of protective gas pipe 12 to the side of a movable section of thick bamboo 11, and the other end of protective gas pipe 12 and the inside through connection of argon gas bottle 13, argon gas bottle 13 fixed mounting is in detection case 1, when carrying out arc detection, a movable section of thick bamboo 11 slides down, the head of activity detection strip 15 and the head contact of fixed detection strip 3, rotate this moment and rotate lead screw 5, the activity detection strip 15 is lifted, repetitive operation can produce electric arc, at this in-process, can manually open the pneumatic valve of argon gas bottle 13, to filling into argon gas in a movable section of thick bamboo 11 and the fixed cylinder 2, play the effect of protection.
The movable cylinder 11 and the fixed cylinder 2 are both of arc-proof transparent structures, the axes of the movable cylinder 11 and the fixed cylinder 2 coincide, a sealing ring is fixedly mounted at the opening of the fixed cylinder 2, the movable cylinder 11 drives the protective cover 14 to descend together when descending, the protective cover 14 is contacted and inserted into the fixed cylinder 2, the movable cylinder 11 can continue to move downwards in a small range, the movable cylinder 11 is isolated from the outside in the fixed cylinder 2, and the protection effect is good.
During specific work, the high-safety arc characteristic detection and display device in the application slides the protective cover 14 upwards when the movable detection strip 15 is installed, the mouth part of the V-shaped spring clamp 16 is opened, the movable detection strip 15 is placed into the V-shaped spring clamp 16, the protective cover 14 is loosened, under the elastic force of the spring 22, the protective cover 14 slides downwards, the mouth part of the V-shaped spring clamp 16 is closed to clamp the movable detection strip 15, during detection, the detection box 1 is in a closed state, the rotary screw 5 can drive the ball sleeve 6 to slide on the rotary screw 5 when rotating, the ball sleeve 6 can drive the support ring 7 to move up and down together when sliding on the rotary screw 5, the back surface of the support ring 7 is fixedly connected with the guide slide block 8, the guide slide block 8 is slidably installed on the guide slide rail 9, the guide slide block 8 mainly plays a role in guiding, and prevents the support ring 7 from rotating together with the ball sleeve 6, when carrying out arc detection, activity section of thick bamboo 11 slides down, the head of activity test strip 15 and the head contact of fixed test strip 3, rotate this moment and rotate lead screw 5, lift activity test strip 15, repeated operation can produce electric arc, at this in-process, can manually open the pneumatic valve of argon gas bottle 13, to filling into argon gas in activity section of thick bamboo 11 and the fixed cylinder 2, play the effect of protection, move activity section of thick bamboo 11 and drive safety cover 14 and descend together when descending, when safety cover 14 and fixed cylinder 2 contact, activity section of thick bamboo 11 can continue the activity at the minizone, and activity section of thick bamboo 11 and fixed cylinder 2 keep apart with the external world this moment, and the protection is effectual.
As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect. Furthermore, the term "coupled" is intended to encompass any direct or indirect electrical coupling. Thus, if a first device couples to a second device, that connection may be through a direct electrical coupling or through an indirect electrical coupling via other devices and couplings. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a high electric arc characteristic detection device of security, includes detection case (1), install detection chamber door, its characterized in that on detection case (1): the detection box is characterized in that a fixed cylinder (2) is fixedly mounted on a bottom plate inside the detection box (1), a fixed detection strip (3) is detachably mounted in the fixed cylinder (2), a rotary ring (4) is rotatably mounted at the top of the detection box (1), the rotary ring (4) and a rotary screw rod (5) are integrally formed at a position close to the upper end, a ball sleeve (6) is rotatably mounted on the rotary screw rod (5), the ball sleeve (6) is rotatably clamped in a support ring (7), the back of the support ring (7) is fixedly connected with a guide slider (8), the guide slider (8) is slidably mounted on a guide slide rail (9), the guide slide rail (9) is fixedly connected with the detection box (1), a support bearing (10) is fixedly arranged at the lower end of the surface of the guide slide rail (9), and the lower end of the rotary screw rod (5) is mounted in the support bearing (10), the front of support ring (7) and a movable section of thick bamboo (11) fixed connection, the side of a movable section of thick bamboo (11) runs through fixed connection with the one end of protection trachea (12), and the other end of protection trachea (12) and the inside through connection of argon gas bottle (13), argon gas bottle (13) fixed mounting is in detection case (1), the inside below slidable mounting of a movable section of thick bamboo (11) has safety cover (14), and demountable installation has activity detection strip (15) in a movable section of thick bamboo (11), fixed mounting has V type spring clamp (16) in a movable section of thick bamboo (11), the interior limit in close contact with of the one end port portion of a movable section of thick bamboo (11) is kept away from with safety cover (14) to the opening both sides of V type spring clamp (16), activity detection strip (15) clamp is in V type spring clamp (16).
2. The high-safety arc characteristic detection device according to claim 1, wherein an opening structure is arranged below the front surface of the detection box (1), two sets of slide rails (17) are fixedly arranged on two sides of the opening structure, and the detection box door is slidably arranged in the two sets of slide rails (17).
3. The high-safety arc characteristic detection device according to claim 1, wherein an observation port (18) is formed in the detection box door, an observation convex lens (19) is fixedly installed in the observation port (18), and the observation convex lens (19) corresponds to the position of the fixed cylinder (2).
4. The high-safety arc characteristic detection device according to claim 1, wherein a support cylinder (20) is fixedly installed on the surface of the detection box (1) in a penetrating manner, the rotary ring (4) is rotatably installed in the support cylinder (20), and the lower end of the rotary screw (5) penetrates through the support cylinder (20).
5. The high-safety arc characteristic detection device according to claim 1, wherein the diameter of the protective cover (14) is smaller than the inner diameter of the fixed cylinder (2), a stop ring (21) is integrally formed at the bottom of the protective cover (14), a spring (22) is sleeved on the protective cover (14), and the spring (22) is clamped between the stop ring (21) and the movable cylinder (11).
6. The high-safety arc characteristic detection device according to claim 1, wherein the movable cylinder (11) and the fixed cylinder (2) are arc-proof transparent structures, the axes of the movable cylinder (11) and the fixed cylinder (2) are coincident, and a sealing ring is fixedly mounted at the mouth of the fixed cylinder (2).
7. The high-safety arc characteristic detection device according to claim 1, wherein a turntable (23) is fixedly mounted at an upper end of the rotating screw rod (5), the turntable (23) has a regular polygon structure, and a surface of the turntable (23) has an anti-slip rubber structure.
8. The high-safety arc characteristic detection device according to claim 1, wherein an electrical connection clip (24) is fixedly arranged in the fixed cylinder (2), and the fixed detection strip (3) is detachably connected with the electrical connection clip (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810236952.1A CN108445358B (en) | 2018-03-21 | 2018-03-21 | High-safety arc characteristic detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810236952.1A CN108445358B (en) | 2018-03-21 | 2018-03-21 | High-safety arc characteristic detection device |
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| CN108445358A CN108445358A (en) | 2018-08-24 |
| CN108445358B true CN108445358B (en) | 2020-03-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SE7907340L (en) * | 1979-09-04 | 1981-03-05 | Asea Ab | DEVICE FOR LIGHT BAGS OR DYL |
| JP4972992B2 (en) * | 2006-05-10 | 2012-07-11 | ウシオ電機株式会社 | High pressure discharge lamp lighting device |
| CN102043079B (en) * | 2009-10-20 | 2012-07-25 | 宝山钢铁股份有限公司 | Arc characteristic detecting device and method |
| CN101949960B (en) * | 2010-09-17 | 2012-07-18 | 天津工业大学 | High-voltage discharge experiment box |
| US9945894B2 (en) * | 2012-02-29 | 2018-04-17 | Innovative Scientific Solutions, Inc. | Arc fault detection |
| CN203337697U (en) * | 2013-06-09 | 2013-12-11 | 天津市鸿远电气设备有限公司 | Fault arc generator |
| CN203929915U (en) * | 2014-04-17 | 2014-11-05 | 邹德华 | Transmission line of electricity zero resistance insulator band electro-detection robot |
| CN105529894A (en) * | 2016-01-07 | 2016-04-27 | 辽宁工程技术大学 | Brushless direct current motor and control circuit therefor |
| CN106199278B (en) * | 2016-07-26 | 2018-09-04 | 北京工业大学 | A kind of swipe arc characteristic detection device and method |
| CN206369772U (en) * | 2016-11-30 | 2017-08-01 | 西门子公司 | Electric arc optical detection device and switch cubicle |
| CN207097744U (en) * | 2017-08-15 | 2018-03-13 | 合肥远见电力科技有限公司 | A kind of vacuum circuit breaker on-Line Monitor Device |
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