CN104201519A - Three-hole plug - Google Patents
Three-hole plug Download PDFInfo
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- CN104201519A CN104201519A CN201410395639.4A CN201410395639A CN104201519A CN 104201519 A CN104201519 A CN 104201519A CN 201410395639 A CN201410395639 A CN 201410395639A CN 104201519 A CN104201519 A CN 104201519A
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- temperature
- terminal
- temperature switch
- switch
- control terminal
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Abstract
The invention relates to a three-hole plug. The three-hole plug comprises an L terminal, an N terminal and a PE terminal which are fixed in a shell through an inner frame, an outgoing line of the L terminal or the N terminal is in a tandem connection with a temperature switch so that the corresponding terminal forms a temperature control terminal, the middle of the temperature control terminal is connected with a temperature switch support with a slot, the temperature switch is inserted into the temperature switch support in an interference mode so that a temperature sensing surface of the temperature switch is attached to a side surface of the temperature control terminal, a limiting portion which abuts against an upper side surface of the temperature switch is arranged on the temperature control terminal, and a lower side surface of the temperature switch abuts against the inner frame. According to the three-hole plug in national standard, the temperature switch can automatically disconnect an operating loop when high temperature is generated during long-time operation, the safety is good, the temperature switch can be fixedly arranged in the plug by means of the temperature switch support and a bending portion which is located at the temperature control terminal, and thereby, technological requirements of subsequent high-temperature high-pressure injection molding processes can be met.
Description
Technical field
The present invention relates to electric field, is especially a kind of three-pin plug.
Background technology
In new-energy automobile, the Vehicular charger of standard configuration mostly is 2.2kW and 3.3kW at present.Its charging modes generally adopts Alternating Current Power Supply.In charging inlet standard GB/T 20234-2011, in the relevant charging connected mode B corresponding product of new-energy automobile charge mode 2, relate to and use the single-phase three-pin plug/socket that meets GB/T2099.1 standard-required.Its charging continuous current minimum maintains 8-10A left and right, and the charging interval is longer, generally needs 6-8 hour.
Three chipwares of GB three-pin plug are laminated structure, and socket is inner mostly is reed-type with the syndeton of plug, and its quality exists very different.Its inside is without any active safeguard measure.Charging electric vehicle is also more frequent, and all need plug to use general every day.Increase along with plug number of times, the inner reed of socket easily produces metaboly mostly, and a plug/socket conductive connection part minute contact area is diminished, and causes electrical connection local temperature rise too fast, make the non-conductive easy contact portion of plug/socket produce melting phenomenon, the serious accident even burning.
Summary of the invention
The object of the invention is to solve existing above-mentioned plug due to overheated easily accidents caused problem, and a kind of three-pin plug is provided, and specifically by following technical scheme, is realized:
Three-pin plug, comprise by internal frame and fix L terminal, N terminal and PE terminal in the enclosure, it is characterized in that, the lead-out wire of described L terminal or N terminal is serially connected with a temperature switch and makes corresponding terminal form temperature control terminal, the middle part of temperature control terminal connects the temperature switch support with slot, and described temperature switch interference is plugged in this temperature switch support the temperature-sensitive face of temperature switch and the side of temperature control terminal are fitted; On temperature control terminal, have the limiting section offseting with temperature switch upper side, the downside of described temperature switch and described internal frame offset.
Described three-pin plug, it further designs and is, and described temperature switch is contact closed type reed switch.
Described three-pin plug, it further designs and is, and described temperature switch model is the safe nurse B12A of Mike.
Described three-pin plug, it further designs and is, the top bending of described temperature control terminal, this bending part forms described limiting section, and the upper side of described temperature detect switch (TDS) and described bending part offset.
GB three-pin plug provided by the invention can automatically disconnect operation loop by temperature switch when its long working produces higher temperature, and when L terminal or the reduction of N terminal temperature, the automatic closed operation of temperature switch loop works on, and has good fail safe; By set temperature switch bracket and the bending that is positioned at temperature control terminal, make the temperature switch setting that is fixed in plug, in Shooting Technique in plug production process, thus temperature switch under the effect of certain pressure and temperature, can not produce displacement guarantee its can remain with the abundant contact of temperature control terminal and with being fully connected of temperature control terminal lead-out wire.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of temperature control terminal and temperature switch.
Fig. 2 is the structural representation of temperature control terminal.
Fig. 3 is the perspective view of temperature switch and internal frame.
Fig. 4 is the plug overall structure schematic diagram after injection mo(u)lding.
Embodiment
Below in conjunction with Figure of description and embodiment, the present invention is further described.
This three-pin plug is applied in the charging connected mode B corresponding product of relevant charging electric vehicle pattern 2, specifically comprise by internal frame 1 and be fixed on the L terminal in shell 6, N terminal and PE terminal, the lead-out wire 32 of L terminal or N terminal is serially connected with a temperature switch by cable 8 and makes corresponding terminal form temperature control terminal 3, the middle part of temperature control terminal 3 connects the temperature switch support 5 with slot, temperature switch 4 interference are plugged on and in this temperature switch support 5, make the temperature-sensitive face 41 of temperature switch 4 and the side of temperature control terminal 3 fit, wherein temperature switch support 5 can be that complete loop configuration can be also part loop configuration, the middle part of annular forms the slot corresponding with temperature switch, temperature switch support 5 can be fixedly installed on temperature control terminal can be also snare on temperature control terminal, then temperature switch is filled in to temperature switch support, make to form interference fit between temperature control terminal, temperature switch and temperature switch support, generally speaking, temperature switch support 5 can limit the radial displacement of temperature switch, makes it temperature-sensitive face and fits with temperature control terminal all the time.
The top bending of temperature control terminal 3, this bending part forms limiting section 31, and the upper side of temperature detect switch (TDS) and this bending part offset.Downside and the internal frame of temperature switch 3 offset, because temperature control terminal is L terminal or N terminal, in prior art, internal frame is provided with the draw-in groove with symmetrical projection, in the side of L terminal, N terminal, be provided with the concave point corresponding with draw-in groove phase lug boss, L terminal, N terminal can be firmly plugged on internal frame, thereby temperature detect switch (TDS) can not produce axial displacement under the restriction of limiting section and internal frame.Generally speaking, temperature switch support, internal frame and temperature control terminal can firmly be limited in temperature switch one side of temperature control terminal and it is formed to anti-extrusion protection.Because the effect of limiting section is to prevent that temperature detect switch (TDS) from producing axial motion with respect to temperature control terminal, the present embodiment has adopted this mode of bending has been set on the top of temperature control terminal from the angle of being convenient to process, projection formation limiting section in fact, is directly set on temperature control terminal and also can plays identical implementation result.
Temperature switch 4 is contact closed type reed switch, and concrete model is the safe nurse B12A of Mike.The temperature-sensitive face of temperature switch is coated with the Heat Conduction Material with temperature control termination contact.
As above, because the position of temperature switch in plug is firmly fixed and is subject to anti-extrusion protection, thereby temperature switch can not damaged in the final injection molding process of plug, make itself and temperature control terminal keep fully contacting, temperature switch keeps stable with being connected of temperature control terminal lead-out wire, make set temperature switch in GB three-pin plug there is technique operability, after Shooting Technique, formed there is shell 6, the finished product plug of inner casing 7, in actual use, temperature control terminal 3 in plug is that L terminal or N terminal are when overheated, heat conducts to temperature switch 4, thereby two reeds of temperature switch 4 interior first closures produce deformation owing to being heated and disconnect, whole electric power loop is disconnected, thereby the temperature of temperature control terminal and temperature switch progressively reduces, temperature switch is again closed connects whole loop, in the whole course of work because thereby temperature switch has avoided to the protection in loop, plug place the accident causing because plug is overheated, and can so that plug can work at a lower temperature, prevent that the terminal of plug and housing are because high temperature causes it oxidized too early, extended the useful life of plug integral body.
Claims (4)
1. three-pin plug, comprise by internal frame and fix L terminal, N terminal and PE terminal in the enclosure, it is characterized in that, the lead-out wire of described L terminal or N terminal is serially connected with a temperature switch and makes corresponding terminal form temperature control terminal, the middle part of temperature control terminal connects the temperature switch support with slot, and described temperature switch interference is plugged in this temperature switch support the temperature-sensitive face of temperature switch and the side of temperature control terminal are fitted; On temperature control terminal, have the limiting section offseting with temperature switch upper side, the downside of described temperature switch and described internal frame offset.
2. three-pin plug according to claim 1, is characterized in that, described temperature switch is contact closed type reed switch.
3. three-pin plug according to claim 2, is characterized in that, described temperature switch model is the safe nurse B12A of Mike.
4. three-pin plug according to claim 1, is characterized in that, the top bending of described temperature control terminal, and this bending part forms described limiting section, and the upper side of described temperature detect switch (TDS) and described bending part offset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410395639.4A CN104201519B (en) | 2014-08-13 | 2014-08-13 | Three-pin plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410395639.4A CN104201519B (en) | 2014-08-13 | 2014-08-13 | Three-pin plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104201519A true CN104201519A (en) | 2014-12-10 |
| CN104201519B CN104201519B (en) | 2016-08-24 |
Family
ID=52086774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410395639.4A Active CN104201519B (en) | 2014-08-13 | 2014-08-13 | Three-pin plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104201519B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299894A (en) * | 2015-05-22 | 2017-01-04 | 富士康(昆山)电脑接插件有限公司 | Power connector cable-assembly |
| US9780501B2 (en) | 2016-01-19 | 2017-10-03 | Foxconn Interconnect Technology Limited | Power cable connector assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202917756U (en) * | 2012-10-31 | 2013-05-01 | 钱加灿 | Plug with temperature control module |
| CN203180254U (en) * | 2012-12-27 | 2013-09-04 | 郑启文 | Intelligent alarm safety plug, socket, wall socket or adapter |
| CN203260833U (en) * | 2012-01-05 | 2013-10-30 | 蓝开平 | Miniature multifunctional power plug |
| CN103730293A (en) * | 2012-10-12 | 2014-04-16 | 海尔集团公司 | Hinge box with magnetic-sensing temperature switch |
| CN204088795U (en) * | 2014-08-13 | 2015-01-07 | 南京康尼科技实业有限公司 | Three-pin plug |
-
2014
- 2014-08-13 CN CN201410395639.4A patent/CN104201519B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203260833U (en) * | 2012-01-05 | 2013-10-30 | 蓝开平 | Miniature multifunctional power plug |
| CN103730293A (en) * | 2012-10-12 | 2014-04-16 | 海尔集团公司 | Hinge box with magnetic-sensing temperature switch |
| CN202917756U (en) * | 2012-10-31 | 2013-05-01 | 钱加灿 | Plug with temperature control module |
| CN203180254U (en) * | 2012-12-27 | 2013-09-04 | 郑启文 | Intelligent alarm safety plug, socket, wall socket or adapter |
| CN204088795U (en) * | 2014-08-13 | 2015-01-07 | 南京康尼科技实业有限公司 | Three-pin plug |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299894A (en) * | 2015-05-22 | 2017-01-04 | 富士康(昆山)电脑接插件有限公司 | Power connector cable-assembly |
| US9825411B2 (en) | 2015-05-22 | 2017-11-21 | Foxconn Interconnect Technology Limited | Power cable connector assembly |
| US9780501B2 (en) | 2016-01-19 | 2017-10-03 | Foxconn Interconnect Technology Limited | Power cable connector assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104201519B (en) | 2016-08-24 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161207 Address after: 210038 Nanjing economic and Technological Development Zone in the city of Jiangsu Road No. 11 Patentee after: Nanjing health Buddhist nun new-energy automobile parts Co., Ltd Address before: 210038 Jiangsu Province, Nanjing City Economic and Technological Development Zone Hengda Road No. 19 Patentee before: Nanjing Kangni Technology Industry Co., Ltd. |