CN102941739B - System and method for implementing synchronization between chip writing and laser marking of USB Key - Google Patents
System and method for implementing synchronization between chip writing and laser marking of USB Key Download PDFInfo
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- CN102941739B CN102941739B CN201210389137.1A CN201210389137A CN102941739B CN 102941739 B CN102941739 B CN 102941739B CN 201210389137 A CN201210389137 A CN 201210389137A CN 102941739 B CN102941739 B CN 102941739B
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Abstract
The invention discloses a system and a method for implementing synchronization between chip writing and laser marking of a USB Key. The system comprises a laser marker, a marking tool and a control subsystem. A plurality of USB Keys are connected to a host machine of the laser marker through the marking tool, corresponding serial numbers are written into USB Key chips of corresponding ports, and a laser is driven for marking the USB Key in the position of the corresponding port; ten or more batch production tasks can be finished each time after extension; and the control subsystem ensures the consistency of chip writing and laser marking of the USB Key. Due to the simple structure, the improved manufacturing technology and the reduced production cost, the production flow is simplified, the labor cost is reduced, the production efficiency is improved, the product quality is ensured, and the system also has the fool-proof function, and has the important popularization value for other types of USB Keys or products with simultaneous demands on chip writing and laser marking.
Description
Technical field
The present invention relates to the system and method for chip write and mark, relate more specifically to a kind of USB Key chip that realizes and write the system and method synchronous with laser marking.
Background technology
USB Key is a kind of hardware device of USB interface.Its built-in single-chip microcomputer or intelligent card chip, has certain memory space, can store private key and the digital certificate of user, and the public key algorithm utilizing USB Key built-in realizes the certification to user identity.Because private key for user is kept in coded lock, make in theory all cannot read in any way, therefore ensure that the security of user authentication.
The process of USB Key is complicated, and production process is various, by initial SMT, manual welding, to test, assembling, marking and last packaging etc.Wherein extremely important and crucial step needs to writing sequence number in master chip, simultaneously correspondence markings on shell.
Traditional way first at test step, USB Key semi-finished product is inserted the USB port on PC, opens chip programming software, calling data storehouse, start writing sequence number in USB Key master chip.After the number of writing completes, this USB Key is pulled up, be placed in pallet and pile up successively in order.After Zhuan Xia road laser marking operation, the USB Key of the number of finishing writing in pallet is taken out one in order successively at every turn, be placed on position that laser marking machine mark platform specifies, open mark software, start a mark, after the mark of this USB Key completes, this USB Key is put back in the position of taking out in former pallet.
The shortcoming of prior art is: because USB Key writing sequence number and laser marking are that separately two operations are carried out, but the sequence number write in product requirement every USB Key master chip is identical with the sequence number that shell marks, the USB Key writing chip in test step piles up order easily entanglement, also can make mistakes time from test step to the transfer of laser marking operation, result causes in the laser marking stage, shell marks number with chip in write number inconsistent.Because the part that whole process manually participates in is too many, cause easily makeing mistakes and also efficiency low.
Summary of the invention
The invention discloses a kind of USB Key chip that realizes and write the system and method synchronous with laser marking, aim to provide and a kind ofly while writing sequence number in USB Key master chip, automatically complete laser marking on USB Key shell, realize the system and method that chip write is synchronous with laser marking, eliminate chip write and the manual intervention process of laser marking process, ensure to write in chip number with to be marked on shell number completely the same.
The present invention adopts following technical scheme to realize:
Realize the system that the write of USB Key chip is synchronous with laser marking, this system comprises: laser marking machine, mark frock, the RACS be arranged in laser marking machine host, wherein:
Mark frock comprises: base, USB HUB, location tray;
Base arranged some USB females and be connected to the main frame of laser marking machine by USB HUB, location tray is arranged the USB Key model adapted with USB female position to slot, for placing USB Key, what described mark frock was placed in laser marking machine can in label range;
RACS comprises: USB HUB port arrangement unit, laser marking control unit, chip writing unit and USB Key serial number data storehouse;
USB HUB port arrangement unit, is numbered the port that USB HUB uses, and preserves numbering file and numbering file is sent to laser marking control unit;
Chip writing unit calls USB HUB port arrangement unit, detect the state being connected to USB Key on USB HUB port, chip writing unit calls USB Key serial number data storehouse, sequence number is pressed in the USB Key of the port numbering write corresponding port on USB HUB, sequence number is sent to laser marking control unit simultaneously;
After laser marking control unit receives the sequence number that chip writing unit sends, call number file, drive laser, carries out mark by the USB Key of the port numbering on USB HUB to position, corresponding port.
On the basis of such scheme, also can be improved further.
A kind of USB Key chip that realizes writes the system synchronous with laser marking as above, wherein, described mark frock is also provided with auxiliary locator, auxiliary locator comprises: line slideway, track, locating hole, shop bolt and guiding magnet and transparent gland, specifically, install USB HUB in base, USB female is fixed by USB female geometrical clamp; USB female geometrical clamp is arranged on line slideway, and is assisted by the track at two ends, and line slideway and track are all fixed on base; Base upper surface central authorities are equipped with shop bolt and guide magnet, and magnet can be guided to coordinate locate with the locating hole of location tray bottom surface; Location tray upper surface is also equipped with shop bolt and guides magnet, and magnet can be guided to coordinate locate with the locating hole on transparent gland; Transparent gland has mark location window, USB Key will treat that mark location exposes; Line slideway, track and USB female geometrical clamp match, and each USB female is on same axis with the USB port on each corresponding USB Key.
Realize the system that the write of USB Key chip is synchronous with laser marking as above, wherein, the wavelength of described substructure height and laser marking machine laser used adapts to, and the mark plane of USB Key is just in time in the focus of laser.
A kind of USB Key chip that realizes writes the system synchronous with laser marking as above, wherein, the mark location that in described location tray, USB Key model fluting is corresponding, Relatively centralized arranges, and making mark location in the same plane, the USB port of all USB Key is all outwardly.
Realize the system that the write of USB Key chip is synchronous with laser marking as above, wherein, the mark scope that in described location tray, USB Key model fluting is corresponding, can not exceed the maximum mark scope of laser marking machine.
In a preferred embodiment, the quantity of described USB Key model fluting is 10, and USB Key model to be recessed in location tray arranged opposite in two separate ranks, and each column average distributes 5.
Realize the method that the write of USB Key chip is synchronous with laser marking, comprise the following steps:
1) USB Key serial number data storehouse is generated;
2) some USB Key are connected to the main frame of laser marking machine by USB HUB; And be placed in laser marking machine can in label range;
3) to each port numbering of USB HUB, and judge that whether the USB Key state connected is correct;
4) USB Key serial number data storehouse is read, by USB HUB port numbering by the USBKey chip of corresponding sequence number write corresponding port,
5) laser instrument of driving laser marking machine, carries out mark to the USB Key of position, corresponding port by number.
The positive Advantageous Effects that the present invention can produce:
1. this invention simplifies production procedure, the write of USB Key chip is merged in same operation with laser marking;
2. The present invention reduces cost of labor, the work originally needing 2 operating personnel to complete only needs 1 people now;
3. invention increases production efficiency, be to complete a USB Key chip write and laser marking respectively originally at every turn, can complete many now at every turn;
4. this invention ensures that product quality, there is the number of the writing risk inconsistent with marking in process originally, now substantially impossible hair tonic;
5. this invention ensures that flow process is controlled, work originally mainly relies on people, now by frock and software control.
6. this invention ensures that the uniformity of sequence number outward appearance on USB Key shell, because mark frock every USB Key is in the same plane.
7. the present invention makes sequence number on USB Key shell more attractive in appearance, because mark frock makes every USB Key need the position of mark to keep the state of complete level.
8. the present invention makes USB Key shell needs the surface marked can not be reverse, because the female of mark frock is inserted only have a direction.
Because the present invention in theory can infinite expanding, thus drastically increase production efficiency, thus also solve write in chip number with number inconsistent problem be marked on shell.
Accompanying drawing explanation
Fig. 1 is mark frock overall schematic.
Fig. 2 is the side schematic view of Fig. 1.
Fig. 3 is location tray schematic diagram in Fig. 1.
Fig. 4 is the side schematic view of Fig. 3.
Fig. 5 is transparent gland schematic diagram in Fig. 1.
Fig. 6 is the USB Key number of writing and mark process chart
Figure acceptance of the bid score not Biao Shi: 1-base, 2-location tray, 3-transparent gland, 4-USB female geometrical clamp (2 cover), 5-stainless steel track (4), 6-USB extended line plug metallic channel (2), 7-USB extended line Wire channel in building (2), 8-USB extended line line sequence identifies, 9-USB female line slideway (2 cover), 10-USB female, 11-USB female plug handle, 12-mark frock carrying groove, 13-USB HUB, 14-USB Key model is slotted, 15-location tray shop bolt, 16-location tray first kind guides magnet, 17-USB male joint, 18-location tray Equations of The Second Kind guides magnet, 19-location tray shop bolt groove, 20-location tray locating hole, 21-mark location window, 22-transparent gland locating hole, 23-transparent gland guides magnet, 24-USB Key position number identifies.
Detailed description of the invention
Below, by reference to the accompanying drawings and specific embodiment, working of an invention mode is further described.
As shown in drawings, the base of mark frock, USB HUB, location tray and transparent gland.
As preferably embodiment, consider to adopt optical maser wavelength to be the laser marking machine of 1064nm, standard engraving scope: 110mm × 110mm, design single mark 10 USB Key, substructure height is designed to 90mm, location tray height is designed to 10mm, 10 USB Key model flutings on mark tool locating pallet, the mark location Relatively centralized of USB Key is arranged, and make mark location in the same plane, the USB port of all USB Key all outwardly, left and right two row are respectively evenly distributed 5 USBKey, and dislocation is placed, to make whole mark area in the scope of 100mm × 100mm.RACS is arranged in laser marking machine host, generates USB Key serial number data storehouse.
Mark frock, installs USB HUB in base, and leads in the USB female geometrical clamp of base upper surface through Wire channel in building through plug metallic channel by USB extended line; Mark frock is provided with auxiliary locator, and for the location of auxiliary mark frock, specifically, USB female geometrical clamp is arranged on line slideway, and is assisted by the stainless steel track at two ends; USB female geometrical clamp is provided with USB female plug handle, base upper surface centre is equipped with shop bolt and guides magnet, and magnet can be guided to coordinate locate with the locating hole of location tray bottom surface; Location tray according to USB Key model fluting, make the USB port of USB Key corresponding with USB female and make it treat mark faces up, location tray upper surface is also equipped with shop bolt and guiding magnet, can with the locating hole on transparent gland with guide magnet to coordinate to locate; Transparent gland having mark location window, exposing USB Key needing the position of mark completely.
Holding that base 1 is arranged on marking machine by mark frock carrying groove 12 can fixed position in label range, configures USBHUB port; By 10 to be written and treat the USB Key of mark pile up location tray 2 USB Key model fluting in, one of mark is needed to face up, cover transparent gland 3, when transparent gland 3 is near positioning tool, the orientation that transparent gland guides magnet 23 and the location tray first kind to guide magnet 16 active force that there is a natural attraction between the sexes operating personnel can be helped to determine roughly; If the face of transparent gland 3 is placed anti-, transparent gland guides magnet 23 can guide magnet 16 two like magnetic poles repel each other with the location tray first kind on the one hand, push transparent gland 3 open, transparent gland locating hole 22 ensure that the direction that transparent gland 3 is placed can not be wrong on the other hand, also namely ensure that mark location window 21 can aim at the position needing mark completely; USB Key will be installed and the location tray 2 covering transparent gland 3 is placed on base 1; When location tray is near base, location tray Equations of The Second Kind guides magnet 18 that operating personnel can be helped to carry out coarse positioning, and location tray locating hole 20 ensure that the position that location tray 2 is placed and direction there will not be mistake.Buttress USB female plug handle 11 and push away USB female geometrical clamp 4 to centre, USB female geometrical clamp 4 is arranged on USB female line slideway 9, and slide along the stainless steel track 5 at two ends to the USB male joint 17 of USB Key together, in the USB female 10 finally making the USB male joint of USB Key insert completely on USB female geometrical clamp 4.Line slideway, track and USB female geometrical clamp, make each USB female be on same axis with the USB port on each corresponding USB Key.
Start RACS, automatically complete the chip number of writing and shell mark process, detailed process is as follows:
When using first, open USB HUB port arrangement unit, to the port numbering that USB HUB uses, numbering file is kept in laser marking machine host by port arrangement unit automatically; USB Key is inserted in USB female, click start button, chip writing unit first calls USB HUB port arrangement unit, detect the state being connected to upper first the USB Key of USB HUB: whether connected USB Key? does is the USB Key connected the type of specifying? respond the chip testing instruction that chip writing unit sends? whether download initializes file and installation kit in chip? if above state has defective item, chip writing unit reports an error and ejects prompting frame, waits for operating personnel's process; State correct or intact when, chip writing unit calls USB Key serial number data storehouse and reads the sequence number that first is masked as " 0 ", this sequence number is write in current USB Key, this sequence number is sent to laser marking control unit simultaneously, and the mark of this sequence number in USB Key serial number data storehouse is set to " 1 ", represent that this sequence number used.After all USB Key complete the number of writing, chip writing unit sends the number of writing settling signal to laser marking control unit; Laser marking control unit preserves after receiving the sequence number that chip writing unit sends successively in order, after receiving the signal write, represent that all sequence numbers have all been preserved complete, call the numbering file of preservation, the laser instrument of laser marking control unit driving laser marking machine, mark is carried out, until mark completes to the USB Key of position, corresponding port.
Buttress USB female plug handle 11 and push away USB female geometrical clamp 4 to both sides, the stainless steel track 5 of USB female geometrical clamp 4 along two ends together with USB female line slideway 9 slides to both sides, finally makes the USB male joint of USB Key extract USB female on USB female geometrical clamp 4 completely.Location tray 2 taken out together with transparent gland 3, open transparent gland 3, be placed in turnover pallet by the USB Key having completed the chip number of writing and shell mark in location tray 2 according to the sequence number sequence code that shell marks, whole process terminates.
Configure when USB HUB port only needs to use first, other processes repeat.
The foregoing is only better possible embodiments of the present invention, not thereby limit to the scope of the claims of the present invention, therefore the equivalence change that every utilization description of the present invention and accompanying drawing content are done, be all contained in protection scope of the present invention.
Claims (7)
1. realize the system that the write of USB Key chip is synchronous with laser marking, comprising: laser marking machine, mark frock, the RACS be arranged in laser marking machine host, is characterized in that,
Mark frock comprises: base, USB HUB, location tray; Base arranged some USB females and be connected to the main frame of laser marking machine by USB HUB, location tray is arranged the USB Key model adapted with USB female position to slot, for placing USB Key, what described mark frock was placed in laser marking machine can in label range;
RACS comprises: USB HUB port arrangement unit, laser marking control unit, chip writing unit and USB Key serial number data storehouse; USB HUB port arrangement unit, is numbered the port that USB HUB uses, and preserves numbering file and numbering file is sent to laser marking control unit; Chip writing unit calls USB HUB port arrangement unit, detect the state being connected to USB Key on USB HUB port, chip writing unit calls USB Key serial number data storehouse, sequence number is pressed in the USB Key of the port numbering write corresponding port on USB HUB, sequence number is sent to laser marking control unit simultaneously; After laser marking control unit receives the sequence number that chip writing unit sends, call number file, drive laser, carries out mark by the USB Key of the port numbering on USB HUB to position, corresponding port.
2. a kind of USB Key chip that realizes writes the system synchronous with laser marking as claimed in claim 1, it is characterized in that, described mark frock is also provided with auxiliary locator, auxiliary locator comprises: line slideway, track, locating hole, shop bolt and guiding magnet and transparent gland, install USB HUB in base, described USB female is fixed by USB female geometrical clamp; USB female geometrical clamp is arranged on line slideway, and is assisted by the track at two ends, and line slideway and track are all fixed on base; Base upper surface central authorities are equipped with shop bolt and guide magnet, and magnet can be guided to coordinate locate with the locating hole of location tray bottom surface; Location tray upper surface is also equipped with shop bolt and guides magnet, and magnet can be guided to coordinate locate with the locating hole on transparent gland; Transparent gland having mark location window, exposing USB Key needing the position of mark; Line slideway, track and USB female geometrical clamp match, and the USB port on each USB female and each self-corresponding USB Key is on same axis.
3. a kind of USB Key chip that realizes writes the system synchronous with laser marking as claimed in claim 1, it is characterized in that, the wavelength of described substructure height and laser marking machine laser used adapts to, and the mark plane of USB Key is just in time in the focus of laser.
4. a kind of USB Key chip that realizes writes the system synchronous with laser marking as claimed in claim 1, it is characterized in that, the mark location that in described location tray, USB Key model fluting is corresponding, Relatively centralized arranges, and making mark location in the same plane, the USB port of all USB Key is all outwardly.
5. a kind ofly as claimed in claim 1 realize the USB Key chip write system synchronous with laser marking, it is characterized in that, in described location tray USB Key model fluting correspondence mark scope, be no more than the maximum mark scope of laser marking machine.
6. a kind ofly as claimed in claim 1 realize the USB Key chip write system synchronous with laser marking, it is characterized in that, the quantity that described USB Key model is slotted is 10, and in location tray arranged opposite in two separate ranks, each column average distributes 5.
7. realize the method that the write of USB Key chip is synchronous with laser marking, comprise the following steps:
1) USB Key serial number data storehouse is generated;
2) some USB Key are connected to the main frame of laser marking machine by USB HUB; And be placed in laser marking machine can in label range;
3) to each port numbering of USB HUB, and judge that whether the USB Key state connected is correct;
4) USB Key serial number data storehouse is read, by USB HUB port numbering by the USBKey chip of corresponding sequence number write corresponding port,
5) laser instrument of driving laser marking machine, carries out mark to the USB Key of position, corresponding port by number.
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| CN107554112B (en) * | 2017-09-30 | 2018-11-09 | 北京深思数盾科技股份有限公司 | The method of laser inscription |
| CN108971762A (en) * | 2018-07-28 | 2018-12-11 | 北京艾丕科技有限责任公司 | A kind of electronic signature equipment process line and method |
| CN111178006B (en) * | 2019-12-26 | 2023-05-09 | 东莞盛翔精密金属有限公司 | Processing information marking method, numerical control machine tool and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1707385A2 (en) * | 2005-04-01 | 2006-10-04 | Kabushiki Kaisha Toshiba | Printing apparatus and printing method |
| CN101450552A (en) * | 2008-12-31 | 2009-06-10 | 刘国光 | Laser printing method of capacitor product mark |
| CN201646006U (en) * | 2010-04-06 | 2010-11-24 | 深圳市大族激光科技股份有限公司 | Laser marking system |
| EP1394718B1 (en) * | 2002-08-16 | 2012-07-18 | Paxar Corporation | Portable printer with read/write capability |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19846295B4 (en) * | 1998-10-07 | 2008-04-24 | Kabushiki Kaisha Sato | Printer with a device for driving transponder chips |
| FR2892842B1 (en) * | 2005-10-28 | 2008-02-15 | Oberthur Card Syst Sa | PROCESS FOR MANUFACTURING A PLURALITY OF MICROCIRCUIT CARDS |
| FR2892971B1 (en) * | 2005-11-04 | 2015-05-22 | Thales Sa | REINFORCED DOCUMENT SECURING METHOD AND DEVICE FOR IMPLEMENTING THE SAME |
-
2012
- 2012-10-15 CN CN201210389137.1A patent/CN102941739B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1394718B1 (en) * | 2002-08-16 | 2012-07-18 | Paxar Corporation | Portable printer with read/write capability |
| EP1707385A2 (en) * | 2005-04-01 | 2006-10-04 | Kabushiki Kaisha Toshiba | Printing apparatus and printing method |
| CN101450552A (en) * | 2008-12-31 | 2009-06-10 | 刘国光 | Laser printing method of capacitor product mark |
| CN201646006U (en) * | 2010-04-06 | 2010-11-24 | 深圳市大族激光科技股份有限公司 | Laser marking system |
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Application publication date: 20130227 Assignee: Beijing Hangxing Technology Co., Ltd. Assignor: Beijing Hangxing Technology Development Co., Ltd. Contract record no.: 2015110000023 Denomination of invention: System and method for implementing synchronization between chip writing and laser marking of USB Key Granted publication date: 20150218 License type: Exclusive License Record date: 20150616 |
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