CN203850481U - Contact element of double-breakpoint three-dimensional layout structure and high-voltage electrical connector comprising same - Google Patents
Contact element of double-breakpoint three-dimensional layout structure and high-voltage electrical connector comprising same Download PDFInfo
- Publication number
- CN203850481U CN203850481U CN201420018954.0U CN201420018954U CN203850481U CN 203850481 U CN203850481 U CN 203850481U CN 201420018954 U CN201420018954 U CN 201420018954U CN 203850481 U CN203850481 U CN 203850481U
- Authority
- CN
- China
- Prior art keywords
- contact
- insulating base
- terminal
- double
- breakpoint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000007787 solid Substances 0.000 claims abstract description 23
- 238000010891 electric arc Methods 0.000 claims description 34
- 239000004744 fabric Substances 0.000 claims description 29
- 239000000203 mixture Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 4
- 230000002146 bilateral effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model discloses a contact element of a double-breakpoint three-dimensional layout structure and a high-voltage electrical connector comprising the same. The contact element of a double-breakpoint three-dimensional layout structure comprises two contact terminals of a double-breakpoint three-dimensional layout structure, wherein the two contact terminals constitute a contact pair. According to the double-breakpoint three-dimensional layout structure, each contact terminal is provided with a rated operation contact zone and an arcing zone. According to the contact element, by adoption of the double-breakpoint three-dimensional layout structure, the rated operation contact zones on the contact terminals are separated from the arcing zones on the contact terminals, that arcing areas only exist in the arcing zones is ensured, and the purpose of protecting the rated operation contact zones by sacrificing the arcing zones is achieved. As solid magnets and arc guide angles are arranged, the two contact terminals of the double-breakpoint three-dimensional layout structure do not produce arcs in an insertion fit process or produced arcs exist in a very short period of time, and when the two contact terminals of the double-breakpoint three-dimensional layout structure are separated, the arc between the two contact terminals of the contact element is lengthened quickly, and a lighted arc is rapidly cooled and extinguished.
Description
Technical field
The utility model belongs to connector technique field, is specifically related to a kind of double breaking points Three-dimensional cloth interposed structure in conjunction with magnetic blow-out and leads the contact of arc angle and be provided with the high-tension connector of this contact.
Background technology
At present, large power, electrically connector adopts the high stream of low pressure to realize more, makes like this power loss in transmitting procedure greatly increase, and also makes environment for use temperature greatly raise simultaneously.More high-power electric transmission is industry development trend, only depend on improve electric current can not practical requirement, be more to adopt large voltage, the electric power transfer mode of electric current greatly future.But, if adopt the high stream of high pressure, its contact to plug together with separation process in all can produce strong electric arc.Electric arc is actually the ionization phenomena that produces under highfield effect of gas between contact pair, can produce high temperature and send high light, thereby by contact burning, when serious, also can injure personnel or cause fire.Therefore, how avoiding the harm of electric arc in high-voltage electric connector, guarantee personal safety as well as the property safety, is one of problem that must solve in electric connector practical application.
Utility model content
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, and a kind of contact of double breaking points Three-dimensional cloth interposed structure is provided, and solves the problem that produces electric arc in application process.
Another object of the present utility model is to provide a kind of high-voltage electric connector of the contact with double breaking points Three-dimensional cloth interposed structure.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of contact of double breaking points Three-dimensional cloth interposed structure is provided, it is characterized in that, comprise that right two of composition contact have the contact terminal of double breaking points Three-dimensional cloth interposed structure; Described double breaking points Three-dimensional cloth interposed structure is on contact terminal, to be provided with nominal operation contact zone and two, arcing district breakpoint.
In a preferred embodiment, the contact area of described two contact terminals is provided with the solid magnets for the electric arc producing is departed from.
In a preferred embodiment, the contact of this double breaking points Three-dimensional cloth interposed structure further comprises and leads arc angle; The described arc angle of leading covers the region that described two contact terminals produce electric arc.
The utility model also provides a kind of high-voltage electric connector, comprises the first insulating base and the second insulating base; The contact terminal arranging on described the first insulating base matches with the contact terminal arranging on the second insulating base; The contact terminal arranging on the contact terminal arranging on described the first insulating base and the second insulating base is provided with nominal operation contact zone and arcing district.
In a preferred embodiment, on described the first insulating base or the second insulating base, be further provided with for generation of the solid magnets that departs from of electric arc.
In a preferred embodiment, this high-voltage electric connector further comprises and leads arc angle; Describedly lead the region that arc angle covers the first insulating base contact terminal and the second insulating base contact terminal and produces electric arc.
In a preferred embodiment, described in, leading arc angle is arranged on the first insulating base contact terminal and/or the second insulating base contact terminal.
In a preferred embodiment, described in, leading arc angle is arranged on the first insulating base and/or the second insulating base.
The high-voltage electric connector that the utility model provides has following beneficial effect:
1, by the double breaking points Three-dimensional cloth interposed structure adopting make nominal operation contact zone on contact terminal and arcing differentiation from, ensure that arcing region only occurs in arcing district, sacrifice arcing district thereby reach, the object of protection nominal operation contact zone, realizes contact to repeatedly still effectively reliably contacting after hot plug;
2, by arrange solid magnets and lead arc angle, when two contact terminals of double breaking points Three-dimensional cloth interposed structure are plugged together, due to the effect of Lorentz force, induced current and point discharge effect, air between two contact terminals of contact can not be ionized completely, thereby make electric arc lose ignition condition, extension ignition; And then the electric arc that does not produce electric arc or generation in the contact terminal separation process of contact existed in the utmost point short time;
3, by arrange solid magnets and lead arc angle, while making two contact terminals separation of double breaking points Three-dimensional cloth interposed structure, due to the effect of Lorentz force, induced current and point effect, electric arc between two contact terminals of contact is elongated rapidly, the electric arc that makes ignition fast cooling, extinguish;
The contact of the double breaking points Three-dimensional cloth interposed structure that 4, the utility model adopts, simple in structure, good manufacturability, solid magnets volume is little, leads arc angle structure unrestricted, can meet the demand of the high voltage connector of various ways;
5, can avoid contact terminal to be burnt, ensure the reliability of high-voltage electric connector, improve the useful life of high-voltage electric connector, avoid the generation of peril.
Brief description of the drawings
Accompanying drawing described herein is used to provide further understanding of the present application, forms the application's a part, and the application's schematic description and description is used for explaining the application, does not form the improper restriction to the application.In the accompanying drawings:
Fig. 1 schematically shows according to the front view of the contact of the double breaking points Three-dimensional cloth interposed structure of an embodiment of the application;
Fig. 2 schematically shows according to the front view of the contact of the double breaking points Three-dimensional cloth interposed structure of another embodiment of the application;
Fig. 3 schematically shows the cutaway view of Fig. 2;
Fig. 4 schematically shows the right view of Fig. 2;
Fig. 5 schematically shows according to the operation principle schematic diagram of the high-voltage electric connector of the application embodiment;
Fig. 6 schematically shows according to the front view of the high-voltage electric connector of the application embodiment;
Fig. 7 schematically shows the cutaway view of Fig. 6 along A-A line;
Fig. 8 schematically shows the cutaway view of Fig. 7 along B-B line;
Fig. 9 schematically shows according to the front view of the high-voltage electric connector of another embodiment of the application;
Figure 10 schematically shows the cutaway view of Fig. 9 along C-C line.
In these accompanying drawings, represent same or analogous part with identical reference number.
Embodiment
For making the application's object, technical scheme and advantage clearer, below in conjunction with specific embodiment, the application is described in further detail.
In the following description, quoting of " embodiment ", " embodiment ", " example ", " example " etc. shown to embodiment or the example so described can comprise special characteristic, structure, characteristic, character, element or limit, but be not that each embodiment or example must comprise special characteristic, structure, characteristic, character, element or limit.In addition, reuse phrase " according to the application embodiment " and, although be likely to refer to identical embodiment, not must refer to identical embodiment.
For the sake of simplicity, omitted and well known to a person skilled in the art some technical characterictic in below describing.
The utility model provides a kind of contact of double breaking points Three-dimensional cloth interposed structure, comprises that right two of composition contact have the contact terminal of double breaking points Three-dimensional cloth interposed structure; Double breaking points Three-dimensional cloth interposed structure is on contact terminal, to be provided with nominal operation contact zone and two, arcing district breakpoint.The contact area of two contact terminals can be provided for the solid magnets that the electric arc producing is departed from.
The contact of double breaking points Three-dimensional cloth interposed structure may further include leads arc angle; Lead the region that two contact terminals of arc angle covering produce electric arcs.Produce the region of electric arc can be interpreted as two contact terminals and plug together time, the electron energy on negative pole contact terminal matrix is greater than this electronics and overflows merit, and electron detachment matrix is launched to positive terminal, thereby produces the region between two contact terminals of electric arc.
Fig. 1 schematically shows according to the front view of the contact of the double breaking points Three-dimensional cloth interposed structure of an embodiment of the application.
This contact comprises the first terminal 11 and the second terminal 12, and it is right that the first terminal 11 contacts with the second terminal 12 compositions.On the first terminal 11 and the second terminal 12, be respectively arranged with nominal operation contact zone 15 and arcing district 14.When work, nominal operation contact zone 15 parts that arrange on the first terminal 11 contact with nominal operation contact zone 15 parts that arrange on the second terminal 12.The arcing district arranging on the first terminal 11 and the second terminal 12 can be outstanding projection or salient point from the first terminal 11 and the second terminal 12; for ensureing the arcing district 14 that arcing region only occurs; sacrifice arcing district 14 thereby reach, the object of protection nominal operation contact zone 15.
Near that the first terminal 11 and the second terminal 12 contact is provided with solid magnets 13, the region that magnetic field that solid magnets 13 produces 16 produces electric arc through the first terminal 11 and the second terminal 12.
Fig. 2 schematically shows according to the front view of the contact of the double breaking points Three-dimensional cloth interposed structure of another embodiment of the application; Fig. 3 schematically shows the cutaway view of Fig. 2; Fig. 4 schematically shows the right view of Fig. 2.
This contact comprises the first terminal 21 and the second terminal 22, and it is right that the first terminal 21 contacts with the second terminal 22 compositions.On the first terminal 21 and the second terminal 22, be respectively arranged with nominal operation contact zone 26 and arcing district 25.When work, nominal operation contact zone 26 parts that arrange on the first terminal 21 contact with nominal operation contact zone 26 parts that arrange on the second terminal 22.The arcing district arranging on the first terminal 21 and the second terminal 22 can be outstanding projection or salient point from the first terminal 21 and the second terminal 22; for ensureing the arcing district 25 that arcing region only occurs; sacrifice arcing district 25 thereby reach, the object of protection nominal operation contact zone 26.
Near that the first terminal 21 and the second terminal 22 contact is provided with solid magnets 24, the region that magnetic field that solid magnets 24 produces 27 produces electric arc through the first terminal 21 and the second terminal 22.
Lead arc angle 23 and be arranged on the first terminal 21 and/or the second terminal 22, cover the contact area of the first terminal 21 and the second terminal 22.Leading arc angle 23 can be the structure with some tooth-like parts of anything.
It should be noted that, leading arc angle not necessarily leaves no choice but be arranged on the contact terminal of composition contact, can also be an independently structure, lead arc angle and can independent setting be that contact terminal forms on first insulating base or the second insulating base housing of high-voltage electric connector.
The utility model also provides a kind of high-voltage electric connector with double breaking points Three-dimensional cloth interposed structure contact.This high-voltage electric connector comprises the first insulating base and the second insulating base.The contact terminal arranging on the first insulating base matches with the contact terminal arranging on the second insulating base.The contact terminal arranging on the contact terminal arranging on the first insulating base and the second insulating base is provided with nominal operation contact zone and arcing district.On the first insulating base or the second insulating base, can further be provided with for generation of the solid magnets that departs from of electric arc.
Above-mentioned high-voltage electric connector may further include leads arc angle, leads the region that arc angle covers the first insulating base contact terminal and the second insulating base contact terminal and produces electric arc.Lead arc angle and can be arranged on the first insulating base contact terminal and/or the second insulating base contact terminal, lead arc angle and also can be arranged on the first insulating base and/or the second insulating base.
Fig. 6 schematically shows according to the front view of the high-voltage electric connector of the application embodiment; Fig. 7 schematically shows the cutaway view of Fig. 6 along A-A line; Fig. 8 schematically shows the cutaway view of Fig. 7 along B-B line.
This high-voltage electric connector is the connector that is applied to machine room distribution face.The second insulating base 42 that this high-voltage electric connector comprises the first insulating base 41 and matches with the first insulating base 41.On the first insulating base 41, be provided with two contact terminals of both positive and negative polarity (461,462); On the second insulating base 42, be provided with the first insulating base 41 on the contact terminal (441,442) that matches of two contact terminals of both positive and negative polarity (461,462).Contact terminal (461,462) with contact terminal (441,442) on, be provided with nominal operation contact zone separated from one another and arcing district, in hot plug process, sacrifice arcing district, thereby guarantee that two contacts that cooperatively interact are to (461,441), the nominal operation contact zone on (462,442) effectively contacts.
Near being positioned at the free end of both positive and negative polarity contact terminal (461,462) on the first insulating base 41, be inlaid with two solid magnets 45.The magnetic field that solid magnets 45 produces is through contact terminal (461,462) with contact terminal (441,442) region of generation electric arc, the part magnetic field that solid magnets 45 produces is in other words through contact terminal (461,462) produce the region of electric arc with contact terminal (441,442).
Negative pole contact terminal 461 bilateral symmetry are provided with two and lead arc angle 43.Positive terminal 462 bilateral symmetry are provided with two and lead arc angle 43.
According to the concrete structure of high-voltage electric connector, the number of solid magnets and position can be adjusted accordingly, as solid magnets being arranged near the free end that is positioned at contact terminal on the second insulating base etc., as long as the magnetic field that solid magnets produces can cover the region of electric arc that contact terminal produces on the first insulating base and the second insulating base.
Equally, the number of leading arc angle is also to adjust accordingly according to the concrete structure of high-voltage electric connector, as being arranged on the contact terminal of the second insulating base leading arc angle, or all arrange and lead arc angle on the contact terminal of the first insulating base and the second insulating base, or lead that arc angle is arranged on the first insulating base and/or the second insulating base is first-class, can cover as long as lead arc angle the region that the first insulating base contacts with contact terminal on the second insulating base.
Fig. 9 schematically shows the front view connecting according to the high-tension electricity of another embodiment of the application; And Figure 10 schematically shows the cutaway view of Fig. 9 along C-C line.
This high-voltage electric connector is the connector that is applied to machine room distribution aspect.This high-voltage electric connector comprises the first insulating base 51 and the second insulating base 52.On the first insulating base 51, be provided with contact terminal 56; On the second insulating base 52, be provided with the contact terminal 54 matching with contact terminal 56 on the first insulating base 51.Contact terminal 56 bilateral symmetry are provided with two and lead arc angle 53.Near being positioned at the free end of contact terminal 56 on the first insulating base 51, be provided with solid magnets 55.
Fig. 5 schematically shows according to the operation principle schematic diagram of the high-voltage electric connector of the application embodiment.This high-voltage electric connector has the contact (the first terminal 31 and the second terminal 32 form the first contact, and the 3rd terminal 33 and the 4th terminal 34 form the second contact) of two double breaking points Three-dimensional cloth interposed structures, and two contact polarity are contrary.
When the first terminal 31 and the second terminal 32 plug together (the 3rd terminal 33 and the 4th terminal 34 plug together simultaneously), when between the first terminal 31 and the second terminal 32, (between the 3rd terminal 33 and the 4th terminal 34) voltage and distance reach certain condition, when electron energy on the first terminal 31 (the 4th terminal 34) matrix is greater than this electronics and overflows merit, electron detachment matrix is to the second terminal 32 (the 3rd terminal 33) transmitting, thus generation electric arc.When adding after solid magnets, the magnetic field 36 of its generation produces the region of electric arc through the first terminal 31 and the second terminal 32 (the 3rd terminal 33 and the 4th terminal 34), learn that by Fleming ' s right hand rule moving charge in magnetic field is subject to the Lorentz force 38 of direction as shown in Figure 5, in the time that the suffered Lorentz force of electronics 37 of motion reaches certain value, the movement locus of electronics deflects, thereby the air between the first terminal 31 and the second terminal 32 (the 3rd terminal 33 and the 4th terminal 34) can not be ionized completely, simultaneously, departing from the electronics derives by leading arc angle, thereby the electric arc that makes electric arc lose ignition condition or generation existed in the utmost point short time.(situation corresponding to expression the second contact in bracket)
In the time that the first terminal 31 separates with the second terminal 32 (the 3rd terminal 33 and the 4th terminal 34), due to the effect of Lorentz force, circuit between the first terminal 31 and the second terminal 32 (the 3rd terminal 33 and the 4th terminal 34) elongates rapidly, increased arc column area of dissipation, the electric arc that makes combustion gas rapidly cooling, extinguish; Thereby avoid the first terminal 11 and the second terminal 12 to be burnt, ensured the reliability of high-voltage electric connector.
From Fig. 5, it can also be seen that, can control by the direction of controlling magnetic field the yawing moment of electronics.In the time that electric power loop is arranged side by side, make electronics respectively towards mutually away from direction deflection (as shown in Figure 5), thereby ensure that the first insulating base can not form carbonization loop.
The principle of above-mentioned elaboration is not only applicable to above-mentioned connector, also applicable to all contact and high-voltage electric connectors with double breaking points Three-dimensional cloth interposed structure of enumerating in the utility model, and apply the prepared contact of thought of the present utility model and electric connector.
Table 1: according to the overload measurement data of an embodiment high-voltage electric connector of the application
Table 2: according to the temperature test data of an embodiment high-voltage electric connector of the application
Table 3: according to the resistance to electric arc test data of an embodiment high-voltage electric connector of the application
Performance test: table 1-table 3 has provided the overload measurement that high-tension connector carries out, temperature test, resistance to electric arc test data (test data shown in table is from Suzhou Deliver detection technique Services Co., Ltd).From above-mentioned data analysis, employing double breaking points Three-dimensional cloth interposed structure, solid magnets and the high-voltage electric connector of leading after arc angle can be realized high voltage, the high-power electric energy continued access of large electric current, and there is good resistance to arc characteristic, can meet hot plug.
The embodiment that the foregoing is only the application, is not limited to the application, and for a person skilled in the art, the application can have various modifications and variations.All within the application's spirit and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in the application's claim scope.
Claims (8)
1. a contact for double breaking points Three-dimensional cloth interposed structure, is characterized in that, comprises that right two of composition contact have the contact terminal of double breaking points Three-dimensional cloth interposed structure; Described double breaking points Three-dimensional cloth interposed structure is on contact terminal, to be provided with nominal operation contact zone and two, arcing district breakpoint.
2. the contact of double breaking points Three-dimensional cloth interposed structure according to claim 1, is characterized in that, the contact area of described two contact terminals is provided with the solid magnets for the electric arc producing is departed from.
3. the contact of double breaking points Three-dimensional cloth interposed structure according to claim 2, is characterized in that, further comprises and leads arc angle; The described arc angle of leading covers the region that described two contact terminals produce electric arc.
4. a high-voltage electric connector, is characterized in that, comprises the first insulating base and the second insulating base; The contact terminal arranging on described the first insulating base matches with the contact terminal arranging on the second insulating base; The contact terminal arranging on the contact terminal arranging on described the first insulating base and the second insulating base is provided with nominal operation contact zone and arcing district.
5. high-voltage electric connector according to claim 4, is characterized in that, is further provided with the solid magnets for the electric arc producing is departed from described the first insulating base or the second insulating base.
6. high-voltage electric connector according to claim 5, is characterized in that, further comprises and leads arc angle; Describedly lead the region that arc angle covers the first insulating base contact terminal and the second insulating base contact terminal and produces electric arc.
7. high-voltage electric connector according to claim 6, is characterized in that, described in lead arc angle and be arranged on the first insulating base contact terminal and/or the second insulating base contact terminal.
8. high-voltage electric connector according to claim 6, is characterized in that, described in lead arc angle and be arranged on the first insulating base and/or the second insulating base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420018954.0U CN203850481U (en) | 2014-01-13 | 2014-01-13 | Contact element of double-breakpoint three-dimensional layout structure and high-voltage electrical connector comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420018954.0U CN203850481U (en) | 2014-01-13 | 2014-01-13 | Contact element of double-breakpoint three-dimensional layout structure and high-voltage electrical connector comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203850481U true CN203850481U (en) | 2014-09-24 |
Family
ID=51563455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420018954.0U Expired - Lifetime CN203850481U (en) | 2014-01-13 | 2014-01-13 | Contact element of double-breakpoint three-dimensional layout structure and high-voltage electrical connector comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203850481U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762433A (en) * | 2014-01-13 | 2014-04-30 | 四川华丰企业集团有限公司 | Contact element of double-breakpoint three-dimensional layout structure and high-voltage electric connector thereof |
| WO2017050844A1 (en) * | 2015-09-23 | 2017-03-30 | HARTING Electronics GmbH | Electrical plug-in connector and electrical plug-in connection |
| CN113258334A (en) * | 2021-04-29 | 2021-08-13 | 中航光电科技股份有限公司 | Improved flashover structure and connector using same |
-
2014
- 2014-01-13 CN CN201420018954.0U patent/CN203850481U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762433A (en) * | 2014-01-13 | 2014-04-30 | 四川华丰企业集团有限公司 | Contact element of double-breakpoint three-dimensional layout structure and high-voltage electric connector thereof |
| WO2017050844A1 (en) * | 2015-09-23 | 2017-03-30 | HARTING Electronics GmbH | Electrical plug-in connector and electrical plug-in connection |
| CN113258334A (en) * | 2021-04-29 | 2021-08-13 | 中航光电科技股份有限公司 | Improved flashover structure and connector using same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2014166322A1 (en) | High-security surge protection device | |
| CN109994347B (en) | Short-circuit-proof recoverable fuse | |
| CN204424192U (en) | Circuit breaker | |
| CN203850481U (en) | Contact element of double-breakpoint three-dimensional layout structure and high-voltage electrical connector comprising same | |
| CN103762433A (en) | Contact element of double-breakpoint three-dimensional layout structure and high-voltage electric connector thereof | |
| CN103094733B (en) | Use the high-voltage electric connector of magnetic quenching | |
| CN107146723B (en) | Magnetic blow-out system, arc extinguishing device, single-pole circuit breaker and multi-pole circuit breaker | |
| CN103730301A (en) | Fuse cutout | |
| CN203312085U (en) | Arc extinguishing device of high-voltage direct-current relay | |
| CN100514527C (en) | Arc suppressing device of intelligent plastic casing break | |
| CN210006633U (en) | DC arc extinguish chamber | |
| CN107359066B (en) | Clamp type arc extinguishing device for circuit breaker | |
| CN103326177B (en) | A kind of magnetic quenching formula high-voltage electric connector | |
| CN203103563U (en) | High-voltage electric connector adopting magnetic quenching | |
| CN205231001U (en) | Miniature circuit breaker's neutral pole striking mechanism | |
| CN102496505A (en) | Arc preventive switch and direct-current power supply equipment with same | |
| CN204390940U (en) | DC contactor arc-extinguisher | |
| CN205177755U (en) | Arc control device on circuit breaker | |
| CN201174469Y (en) | Permanent magnet type safe plug and socket | |
| CN203721930U (en) | Metal contact piece and high-voltage electric connector comprising same | |
| CN205159256U (en) | Novel circuit breaker | |
| CN203596311U (en) | Arc-extinguishing structure of isolation switch | |
| CN202230914U (en) | Arc extinguishing contact | |
| CN203434108U (en) | Breaker | |
| CN104134593B (en) | A kind of arc-control device of miniature circuit breaker and arc-suppressing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 621000 No. 36 Yuejin Road, Sichuan, Mianyang Patentee after: Sichuan Huafeng Technology Co.,Ltd. Address before: 621000 No. 36 Yuejin Road, Sichuan, Mianyang Patentee before: SICHUAN HUAFENG ENTERPRISE GROUP Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |
|
| CX01 | Expiry of patent term |