CN103683418B - Prevent the charging device of spark - Google Patents
Prevent the charging device of spark Download PDFInfo
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- CN103683418B CN103683418B CN201310670787.8A CN201310670787A CN103683418B CN 103683418 B CN103683418 B CN 103683418B CN 201310670787 A CN201310670787 A CN 201310670787A CN 103683418 B CN103683418 B CN 103683418B
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Abstract
The invention discloses a kind of charging device having prevented spark, comprising: retractor device, retractor device comprises fixed part and motion portion; Drive unit, for driving the motion portion of retractor device; Plug, plug comprises plug insulating base, the long contact that charges, charge short contact, signal contact, plug insulating base is connected with motion portion, charge long contact, the short contact that charges, signal contact to be installed in plug insulating base and to stretch out in plug insulating base, the extension elongation of short contact of charging is greater than the extension elongation of signal contact, and the extension elongation of the short contact that charges is less than the extension elongation of the long contact that charges; Detector, for the advanced positions of test plug; Controller, for receiving the information the running status of accessory drive that detector detects.Only have and just can be energized after three contacts are stable, therefore, after electricity connected by plug, there is not gap in the contact stabilization of contact and electrode, can prevent plug from insertion socket process, occurring spark, use safer.
Description
Technical field
The present invention relates to a kind of charging device having prevented spark.
Background technology
Traditional plug is when being inserted in socket, because electric current is directly carried on the electric elements of power consumption equipment, and because electric elements are short to the time adding full voltage by zero load, voltage is large, when plug and socket also have very little gap, can by air ionization, so create spark instantaneously, when power consumption equipment power ratio is larger, larger spark can be produced instantaneously and produce a large amount of heats patching, can by plug or socket little by little ablation, and harm is produced to power consumption equipment, also may to burn human body etc., if especially firmly irregular when inserting, state logical when breaking during easy generation, power consumption equipment is difficult to the repeat impact bearing big current like this, power consumption equipment is caused to burn.
Summary of the invention
The object of the present invention is to provide the charging device having prevented spark that a kind of use is safer.
In order to realize object of the present invention, the technical scheme taked is:
Prevent a charging device for spark, having comprised:
Retractor device, retractor device comprises fixed part and motion portion;
Drive unit, for driving the motion portion of retractor device;
Plug, plug comprises plug insulating base, the long contact that charges, charge short contact, signal contact, plug insulating base is connected with motion portion, charge long contact, the short contact that charges, signal contact to be installed in plug insulating base and to stretch out in plug insulating base, the extension elongation of short contact of charging is greater than the extension elongation of signal contact, and the extension elongation of the short contact that charges is less than the extension elongation of the long contact that charges;
Detector, for the advanced positions of test plug;
Controller, for receiving the information the running status of accessory drive that detector detects.
Controller sends signal to drive unit, drive unit is started working, thus drive the motion portion motion of retractor device, and then drive plug to do rectilinear motion, the long contact of charging in plug, charge short contact, signal contact is followed plug and is done rectilinear motion together, extension elongation due to the long contact that charges is greater than the extension elongation of the short contact that charges, the extension elongation of short contact of charging is greater than the extension elongation of signal contact, therefore, the order touching the electrode in socket is, then the long contact that first charges is the short contact of charging, it is finally signal contact, when touching the electrode on socket when signal contact, plug is just energized, achieve full-automatic charging, only have and just can be energized after three contacts are stable, therefore, after electricity connected by plug, the contact stabilization of contact and electrode, there is not gap, can prevent plug from insertion socket process, occurring spark, use safer, there will not be plug, socket or load equipment are by the situation of burning.
Below technical scheme is further illustrated:
Preferably, described plug also comprises three Compress Springs, described plug insulating base is provided with three through holes, charge long contact, charge short contact, signal contact is placed in each through hole respectively, one end that three Compress Springs are sheathed on the long contact of charging respectively, the short contact that charges, signal contact are positioned at plug insulating base, charging on long contact, charge short contact, signal contact and be equipped with projection, conflicts protruding and plug insulating base respectively in Compress Spring two ends.Compress Spring can make the long contact of charging, the short contact that charges, signal contact are more firm is attached on electrode, thus use safer, projection on Compress Spring one end conflict insulating base other end conflict contact, thus give first thrust tactile, contact is better contacted with electrode, due to contact electrode while that three contacts not being, when after the long contact of charging first contact electrode, the existence of Compress Spring long contact of being convenient to charge has certain compression surplus, until signal contact contact electrode.
Preferably, also comprise three plug screws, described through hole comprises through hole first end and through hole second end, described through hole first end has internal thread, three plug screws to be sheathed on respectively on the long contact of charging, charge short contact, signal contact and to be connected with the screw-internal thread fit of through hole first end, and plug screw is conflicted described projection.Fixed by contact by plug screw, installation and removal are all very convenient.
Preferably, the diameter of described through hole first end is greater than the diameter of through hole second end, described Compress Spring to be placed in through hole first end and suitable with through hole first end, and the long contact of described charging, the short contact that charges, signal contact end insert through hole second end and suitable with through hole second end.
Preferably, described fixed part comprises threaded screw rod and screw mandrel supporting plate, and threaded screw rod is connected on screw mandrel supporting plate rotationally, and described motion portion comprises feed screw nut, and feed screw nut is connected on threaded screw rod, and plug insulating base is fixedly connected with feed screw nut.Drive unit drives threaded screw rod to rotate, thus drives feed screw nut to do rectilinear motion, does rectilinear motion, realize plug and be automatically inserted in socket together with the plug that final drive and feed screw nut are fixedly connected with.
Preferably, also comprise limiting plate, limiting plate is connected to described screw mandrel supporting plate side, limiting plate has detect aperture, and described detector is magnet steel, and described magnet steel is installed on described feed screw nut, when feed screw nut moves to extreme position, magnet steel is corresponding with the position of detect aperture.When magnet steel moves to position corresponding to detect aperture, the long contact that charges, charge short contact, signal contact have touched electrode corresponding on socket all, and plug realizes energising, now, controller sends silence signal to drive unit, and drive unit quits work, and contact motion puts in place.
Preferably, described controller is fixed on limiting plate, and described limiting plate is also provided with power supply, and power supply is electrically connected with controller.
Preferably, also comprise socket, socket comprises socket insulating base, three electrodes, cushions, described socket insulating base has three grooves, three electrodes are installed in each groove respectively, cushion is arranged between electrode and socket insulating base, and when feed screw nut moves to extreme position, the long contact that charges, charge short contact, signal contact are conflicted corresponding electrode respectively.Three electrodes on socket contact with the long contact of charging, the short contact that charges, signal contact respectively, and the setting of cushion ensure that Plug contact is to there being certain elasticity during electrode, contribute to contact and electrode contact.
Preferably, also comprise the axis of guide, the axis of guide is fixedly connected on screw mandrel supporting plate, and the axis of guide is parallel with threaded screw rod, and described feed screw nut has pilot hole, and feed screw nut is sheathed on the axis of guide, and pilot hole matches with the axis of guide.The axis of guide plays the effect of guiding, and when threaded screw rod rotates, feed screw nut is rectilinear motion on the axis of guide.
Preferably, described drive unit is motor, motor output shaft connects the first gear, and threaded screw rod one end connects the second gear, and the first gear is meshed with the second gear.By engaging of the first gear and the second gear, the rotating torque of motor is transferred on threaded screw rod, thus drives threaded screw rod to rotate.
Advantage of the present invention is:
Controller sends signal to drive unit, drive unit is started working, thus drive the motion portion motion of retractor device, and then drive plug to do rectilinear motion, the long contact of charging in plug, charge short contact, signal contact is followed plug and is done rectilinear motion together, extension elongation due to the long contact that charges is greater than the extension elongation of the short contact that charges, the extension elongation of short contact of charging is greater than the extension elongation of signal contact, therefore, the order touching the electrode in socket is, then the long contact that first charges is the short contact of charging, it is finally signal contact, when touching the electrode on socket when signal contact, plug is just energized, achieve full-automatic charging, only have and just can be energized after three contacts are stable, therefore, after electricity connected by plug, the contact stabilization of contact and electrode, there is not gap, can prevent plug from insertion socket process, occurring spark, use safer, there will not be plug, socket or load equipment are by the situation of burning.
Accompanying drawing explanation
Fig. 1 is the schematic diagram one that the present invention has prevented when not comprising socket in the charging device of spark;
Fig. 2 is the schematic diagram two that the present invention has prevented when not comprising socket in the charging device of spark;
Fig. 3 is the front view that the present invention has prevented when not comprising socket in the charging device of spark;
Fig. 4 is the cutaway view in A-A direction in Fig. 3;
Fig. 5 is the cutaway view in B-B direction in Fig. 3;
Fig. 6 is the schematic diagram that the present invention has prevented the charging device of spark;
Fig. 7 is the schematic diagram that the present invention has prevented socket in the charging device of spark.
100. plugs, 101. plug insulating bases, the long contact of 102. charging, the short contact of 103. charging, 104. signal contacts, 105. Compress Springs, 106. is protruding, 107. plug screws, 108. through holes, 118. through hole first ends, 128. through hole second ends, 200. motors, 201. first gears, 202. second gears, 302. threaded screw rods, 303. screw mandrel supporting plates, 304. feed screw nuts, 305. limiting plates, 315. detect aperture, 306. magnet steel, 307. axis of guides, 400. sockets, 401. socket insulating bases, 402. electrodes.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail:
As shown in figs. 1-7, in an embodiment of the present invention, a kind of charging device having prevented spark, comprising:
Retractor device, retractor device comprises fixed part and motion portion;
Drive unit, for driving the motion portion of retractor device;
Plug 100, plug 100 comprises plug insulating base 101, the long contact 102 that charges, charge short contact 103, signal contact 104, plug insulating base 101 is connected with motion portion, charge long contact 102, the short contact 103 that charges, signal contact 104 to be installed in plug insulating base 101 and to stretch out in plug insulating base 101, the extension elongation of short contact 103 of charging is greater than the extension elongation of signal contact 104, and the extension elongation of the short contact 103 that charges is less than the extension elongation of the long contact 102 that charges;
Detector, for the advanced positions of test plug 100;
Controller, for receiving the information the running status of accessory drive that detector detects.
Controller sends signal to drive unit, drive unit is started working, thus drive the motion portion motion of retractor device, and then drive plug 100 to do rectilinear motion, the long contact 102 of charging in plug 100, charge short contact 103, signal contact 104 is followed plug 100 and is done rectilinear motion together, extension elongation due to the long contact 102 that charges is greater than the extension elongation of the short contact 103 that charges, the extension elongation of short contact 103 of charging is greater than the extension elongation of signal contact 104, therefore, the order touching the electrode 402 in socket 400 is, then the long contact 102 that first charges is the short contact 103 of charging, it is finally signal contact 104, when signal contact 104 touches the electrode 402 on socket 400, plug 100 is just energized, achieve full-automatic charging, only have and just can be energized after three contacts are stable, therefore, after electricity connected by plug 100, the contact stabilization of contact and electrode 402, there is not gap, can prevent plug 100 from insertion socket 400 process, occurring spark, use safer, there will not be plug 100, socket 400 or load equipment are by the situation of burning.
Plug 100 also comprises three Compress Springs 105, described plug insulating base 101 is provided with three through holes 108, charge long contact 102, the short contact 103 that charges, signal contact 104 is placed in each through hole 108 respectively, one end that three Compress Springs 105 are sheathed on the long contact 102 of charging respectively, the short contact 103 that charges, signal contact 104 are positioned at plug insulating base 101, charging on long contact 102, charge short contact 103, signal contact 104 and be equipped with protruding 106, conflicts protruding 106 and plug insulating base 101 respectively in Compress Spring 105 two ends.Compress Spring 105 can make the long contact 102 of charging, charge short contact 103, what signal contact 104 was more firm is attached on electrode 402, thus use safer, projection 106 on Compress Spring 105 one end conflict insulating base other end conflict contact, thus give first thrust tactile, contact is better contacted with electrode 402, because three contacts are not simultaneously contact electrodes 402, when after the long contact 102 of charging first contact electrode 402, the existence of Compress Spring 105 long contact 102 of being convenient to charge has certain compression surplus, until signal contact 104 contact electrode 402.
Plug 100 also comprises three plug screws 107, described through hole 108 comprises through hole first end 118 and through hole second end 128, described through hole first end 118 has internal thread, three plug screws 107 to be sheathed on respectively on the long contact 102 of charging, charge short contact 103, signal contact 104 and to be connected with the screw-internal thread fit of through hole first end 118, and plug screw 107 conflicts described protruding 106.Fixed by contact by plug screw 107, installation and removal are all very convenient.
The diameter of through hole first end 118 is greater than the diameter of through hole second end 128, described Compress Spring 105 to be placed in through hole first end 118 and suitable with through hole first end, and the long contact of described charging 102, the short contact 103 that charges, signal contact 104 end insert through hole second end 128 and suitable with through hole second end 128.
Fixed part comprises threaded screw rod 302 and screw mandrel supporting plate 303, threaded screw rod 302 is connected on screw mandrel supporting plate 303 rotationally, described motion portion comprises feed screw nut 304, and feed screw nut 304 is connected on threaded screw rod 302, and plug insulating base 101 is fixedly connected with feed screw nut 304.Drive unit drives threaded screw rod 302 to rotate, thus drives feed screw nut 304 to do rectilinear motion, does rectilinear motion, realize plug 100 and be automatically inserted in socket 400 together with the plug 100 that final drive and feed screw nut 304 are fixedly connected with.
Plug 100 also comprises limiting plate 305, limiting plate 305 is connected to described screw mandrel supporting plate 303 side, limiting plate 305 has detect aperture 315, described detector is magnet steel 306, described magnet steel 306 is installed on described feed screw nut 304, when feed screw nut 304 moves to extreme position, magnet steel 306 is corresponding with the position of detect aperture 315.When magnet steel 306 moves to the position of detect aperture 315 correspondence, charge long contact 102, the short contact 103 that charges, signal contact 104 has touched electrode 402 corresponding on socket 400 all, plug 100 realizes energising, now, controller sends silence signal to drive unit, drive unit quits work, and contact motion puts in place.
Controller is fixed on limiting plate 305, and described limiting plate 305 is also provided with power supply, and power supply is electrically connected with controller.
Prevent that the charging device of spark also comprises socket 400, socket 400 comprises socket insulating base 401, three electrodes 402, cushions, described socket insulating base 401 has three grooves, three electrodes 402 are installed in each groove respectively, cushion is arranged between electrode 402 and socket insulating base 401, when feed screw nut 304 moves to extreme position, the electrode 402 that the long contact 102 that charges, the short contact 103 that charges, signal contact 104 are conflicted corresponding respectively.Three electrodes 402 on socket 400 contact with the long contact 102 of charging, the short contact 103 that charges, signal contact 104 respectively, and the setting of cushion ensure that plug 100 has certain elasticity when touching electrode 402, contributes to contact and contacts with electrode 402.
Plug also comprises the axis of guide 307, the axis of guide 307 is fixedly connected on screw mandrel supporting plate 303, and the axis of guide 307 is parallel with threaded screw rod 302, and described feed screw nut 304 has pilot hole, feed screw nut 304 is sheathed on the axis of guide 307, and pilot hole matches with the axis of guide 307.The axis of guide 307 plays the effect of guiding, and when threaded screw rod 302 rotates, feed screw nut 304 is rectilinear motion on the axis of guide 307.
Drive unit is motor 200, motor 200 output shaft connects the first gear 201, and threaded screw rod 302 one end connects the second gear 202, first gear 201 and is meshed with the second gear 202.By engaging of the first gear 201 and the second gear 202, the rotating torque of motor 200 is transferred on threaded screw rod 302, thus drives threaded screw rod 302 to rotate.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (8)
1. prevented a charging device for spark, it is characterized in that, having comprised:
Retractor device, retractor device comprises fixed part and motion portion;
Drive unit, for driving the motion portion of retractor device;
Plug, plug comprises plug insulating base, the long contact that charges, charge short contact, signal contact, plug insulating base is connected with motion portion, charge long contact, the short contact that charges, signal contact to be installed in plug insulating base and to stretch out in plug insulating base, the extension elongation of short contact of charging is greater than the extension elongation of signal contact, and the extension elongation of the short contact that charges is less than the extension elongation of the long contact that charges;
Detector, for the advanced positions of test plug;
Controller, for receiving the information the running status of accessory drive that detector detects;
Described fixed part comprises threaded screw rod and screw mandrel supporting plate, and threaded screw rod is connected on screw mandrel supporting plate rotationally, and described motion portion comprises feed screw nut, and feed screw nut is connected on threaded screw rod, and plug insulating base is fixedly connected with feed screw nut;
Limiting plate, limiting plate is connected to described screw mandrel supporting plate side, and limiting plate has detect aperture, and described detector is magnet steel, and described magnet steel is installed on described feed screw nut, and when feed screw nut moves to extreme position, magnet steel is corresponding with the position of detect aperture.
2. the charging device having prevented spark according to claim 1, it is characterized in that, described plug also comprises three Compress Springs, described plug insulating base is provided with three through holes, charge long contact, charge short contact, signal contact is placed in each through hole respectively, one end that three Compress Springs are sheathed on the long contact of charging respectively, the short contact that charges, signal contact are positioned at plug insulating base, charging on long contact, charge short contact, signal contact and be equipped with projection, conflicts protruding and plug insulating base respectively in Compress Spring two ends.
3. the charging device having prevented spark according to claim 2, it is characterized in that, also comprise three plug screws, described through hole comprises through hole first end and through hole second end, described through hole first end has internal thread, three plug screws to be sheathed on respectively on the long contact of charging, charge short contact, signal contact and to be connected with the screw-internal thread fit of through hole first end, and plug screw is conflicted described projection.
4. the charging device having prevented spark according to claim 3, it is characterized in that, the diameter of described through hole first end is greater than the diameter of through hole second end, described Compress Spring to be placed in through hole first end and suitable with through hole first end, and the long contact of described charging, the short contact that charges, signal contact end insert through hole second end and suitable with through hole second end.
5. the charging device having prevented spark according to claim 1, is characterized in that, described controller is fixed on limiting plate, and described limiting plate is also provided with power supply, and power supply is electrically connected with controller.
6. the charging device having prevented spark according to claim 1, it is characterized in that, also comprise socket, socket comprises socket insulating base, three electrodes, cushions, described socket insulating base has three grooves, three electrodes are installed in each groove respectively, and cushion is arranged between electrode and socket insulating base, when feed screw nut moves to extreme position, the long contact that charges, charge short contact, signal contact are conflicted corresponding electrode respectively.
7. the charging device having prevented spark according to claim 1, it is characterized in that, also comprise the axis of guide, the axis of guide is fixedly connected on screw mandrel supporting plate, the axis of guide is parallel with feed screw nut, described feed screw nut has pilot hole, and feed screw nut is sheathed on the axis of guide, and pilot hole matches with the axis of guide.
8. the charging device having prevented spark according to claim 1, is characterized in that, described drive unit is motor, motor output shaft connects the first gear, and threaded screw rod one end connects the second gear, and the first gear is meshed with the second gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310670787.8A CN103683418B (en) | 2013-12-10 | 2013-12-10 | Prevent the charging device of spark |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310670787.8A CN103683418B (en) | 2013-12-10 | 2013-12-10 | Prevent the charging device of spark |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103683418A CN103683418A (en) | 2014-03-26 |
| CN103683418B true CN103683418B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310670787.8A Active CN103683418B (en) | 2013-12-10 | 2013-12-10 | Prevent the charging device of spark |
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| CN (1) | CN103683418B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655302B (en) * | 2015-10-29 | 2023-06-20 | 深圳市朗驰欣创科技股份有限公司 | Charging device and charging method based on same |
| CN109449680A (en) * | 2018-12-19 | 2019-03-08 | 西安黑曼巴防务科技有限公司 | A kind of plugs and sockets device |
| CN111835047B (en) * | 2019-04-19 | 2024-01-30 | 京东方科技集团股份有限公司 | Charging device, control method thereof and equipment to be charged |
| CN111478405A (en) * | 2020-05-14 | 2020-07-31 | 蓝显贵 | Prevent charging protection box on fire |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1207201A (en) * | 1996-01-22 | 1999-02-03 | 西门子公司 | Electric switching device |
| CN1258949A (en) * | 1998-12-31 | 2000-07-05 | 钟李杏枝 | Preventing spark generating protective circuit for charger |
| CN201075449Y (en) * | 2007-08-09 | 2008-06-18 | 宁波好伙伴电器有限公司 | Socket connector, combined type plug connector, connector and electric water heater |
| CN103425073A (en) * | 2013-09-02 | 2013-12-04 | 重庆文理学院 | Automatic telescopic control system of charging plug |
| CN203722269U (en) * | 2013-12-10 | 2014-07-16 | 广州供电局有限公司 | Sparkproof charging device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008043035A (en) * | 2006-08-04 | 2008-02-21 | Matsushita Electric Ind Co Ltd | Self-traveling robot |
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2013
- 2013-12-10 CN CN201310670787.8A patent/CN103683418B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1207201A (en) * | 1996-01-22 | 1999-02-03 | 西门子公司 | Electric switching device |
| CN1258949A (en) * | 1998-12-31 | 2000-07-05 | 钟李杏枝 | Preventing spark generating protective circuit for charger |
| CN201075449Y (en) * | 2007-08-09 | 2008-06-18 | 宁波好伙伴电器有限公司 | Socket connector, combined type plug connector, connector and electric water heater |
| CN103425073A (en) * | 2013-09-02 | 2013-12-04 | 重庆文理学院 | Automatic telescopic control system of charging plug |
| CN203722269U (en) * | 2013-12-10 | 2014-07-16 | 广州供电局有限公司 | Sparkproof charging device |
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| Publication number | Publication date |
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| CN103683418A (en) | 2014-03-26 |
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Address after: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee after: GUANGZHOU POWER SUPPLY Co.,Ltd. Patentee after: LAUNCH DIGITAL TECHNOLOGY Co.,Ltd. Address before: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. Patentee before: SHENZHEN LAUNCH DIGITAL TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20230523 Address after: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Patentee after: LAUNCH DIGITAL TECHNOLOGY Co.,Ltd. Address before: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. Patentee before: LAUNCH DIGITAL TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |