CN203596179U - High-speed stable protective durable USB flash disk writer with aluminum shell - Google Patents
High-speed stable protective durable USB flash disk writer with aluminum shell Download PDFInfo
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- CN203596179U CN203596179U CN201320852064.5U CN201320852064U CN203596179U CN 203596179 U CN203596179 U CN 203596179U CN 201320852064 U CN201320852064 U CN 201320852064U CN 203596179 U CN203596179 U CN 203596179U
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 11
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- 230000001681 protective effect Effects 0.000 title abstract 4
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 22
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 6
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- 102100028680 Protein patched homolog 1 Human genes 0.000 claims description 3
- 101710161390 Protein patched homolog 1 Proteins 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 claims description 3
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract 1
- 239000010931 gold Substances 0.000 abstract 1
- 229910052737 gold Inorganic materials 0.000 abstract 1
- 238000007654 immersion Methods 0.000 abstract 1
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- IJJVMEJXYNJXOJ-UHFFFAOYSA-N fluquinconazole Chemical compound C=1C=C(Cl)C=C(Cl)C=1N1C(=O)C2=CC(F)=CC=C2N=C1N1C=NC=N1 IJJVMEJXYNJXOJ-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a high-speed stable protective durable USB flash disk writer with an aluminum shell. The USB flash disk writer is characterized by comprising a USB communication interface circuit, a signal stabilizing circuit, a power source stabilizing circuit, an overvoltage protecting circuit, a reverse connection protecting circuit, a reverse connection prompting circuit and a signal conversing module, the circuits are all packaged in the aluminum outer shell, and a chip PL2303HX is adopted for the signal conversing module. The aluminum alloy USB flash disk outer shell is adopted for the writer, high-speed stable update is performed through the imported original chip, interface safety is ensured by a self-recovery fuse, and a high-voltage buffering enhanced protective device, a circuit board through an immersion gold technology and an imported original device are durable. In addition, the high-speed stable protective durable USB flash disk writer further has the advantages of being easy to operate, high in practicability, low in cost, easy to produce in batch and the like.
Description
Technical field
The utility model relates to a kind of aluminum hull durable USB flash disk cd-rom recorder of stable protection at a high speed.
Background technology
Cd-rom recorder is an instrument of programmable integrated circuit being write to data, is a kind of program download equipment, conventionally utilize computing machine by string, also, USB connects and the program of writing is write storage class by certain tool of arranging in pairs or groups, single-chip microcomputer class components and parts.
RS-232 serial ports meets EIARS-232 standard, and flank speed is supported 115.2Kbps, do not want charged plug serial ports, otherwise serial ports is fragile.For large-scale industry control and measuring equipment, carry out xegregating unit with photoelectrical coupler, concrete withstand voltage comes to determine according to the actual requirements.USB serial ports meets USB1.1/2.0 standard, and maximum rate is supported 12Mbps.Support hot plug, plug-and-play feature, without DMA is set, IRQ, I/O, convenient to use, due to serial ports (COM) do not support hot plug and transfer rate lower, at present the new mainboard of part and most of portable computer have started to cancel this interface.For school, industrial enterprise, scientific research client, the serial ports of computer is extremely important, a lot of equipment all adopts serial ports and computer end software to connect, and a lot of circuit modules utilize AccessPort software to debug, and a lot of instruments must carry out communication and exchanges data by serial ports.But notebook computer is not because the reason that the restriction in space and other aspects are considered all has serial ports at present, and even some desktop computers have also been cancelled serial ports configuration, and this let us is sorely distressed in the urgent need to the client of serial ports.
Universal along with the PC of a large amount of support USB, the standard interface that USB progressively becomes PC has been trend of the times, in computing machine, fictionalize corresponding virtual serial port by the drive software that turns serial hub dispensing with USB, upper computer software only need carry out data communication with respective virtual serial ports can realize original data communication based on RS-232 serial ports.USB turns serial port module cd-rom recorder can be to various satellite set top box upgradings, router, hard disk, ADSL, broadband cat firmware upgrade or crack upgrading, mobile phone, XBOX360, GPS serial communication, automobile detect, DVD brushes machine, programming STC single-chip microcomputer, NXP single-chip microcomputer, auspicious Sa single-chip microcomputer, NEC single-chip microcomputer, electrophile turns TTL signal with usb signal, AT89S51,52 and AVR complete series burning chip, to read-write operations such as Flash, EEPROM, fuse bits, the single-chip datas such as STC, NEC, NXP are downloaded, hard disk firmware upgrading, other serial communication field.Because computer USB interface is bad by the frequent use of USB flash disk cd-rom recorder or download equipment circuit board, cause computer USB interface to damage; In the time that USB flash disk cd-rom recorder is upgraded to single chip circuit plate, due to not power-off completely of circuit board, cause program normally not write; Some satellite set top box pin voltage, up to 16V, easily burns out computer and cd-rom recorder; It is indefinite that some is upgraded circuitry partitioned signal supervisor, thereby cause USB flash disk cd-rom recorder to damage.
The equipment that USB in the market turns serial ports cd-rom recorder is a feast for the eyes, and quality is also uneven.Cause the basic reason of this phenomenon to be just the difference of control chip.USB turns serial port bridging chip now has a lot, such as CP2102, FT232, PL2303 etc.But not each chip can be downloaded as ISP.Through test, CP2102 can not download, and FT232 can download, but its price is really high.That the most moderate is exactly the PL2303 that Taiwan produces, can stablize download, and can support several operation systems, support WIN98, WINME, WIN2000, WINXP, 32 of VISTA, WIN7 etc. and 64 bit manipulation systems, replication rate is faster, capacity is larger, and operating voltage is lower, and the equipment of USB interface is being brought into play Main Function in various fields.Turn serial ports burning process by USB as follows: high-fidelity is by burning program process signal conversion module, the parallel programming program of computer output is converted to writable serial burning program, then burning on recording device (by wire be connected by recording device); And change+burning circuit does not also have good combination.Therefore the durable USB flash disk cd-rom recorder of a kind of stable protection is at a high speed badly in need of being developed.
Summary of the invention
The utility model, for the proposition of above problem, is stablized at a high speed the durable USB flash disk cd-rom recorder of protection and develop a kind of aluminum hull, to solve the technical matters that replication rate is slow, computer U mouth burns out, swinging of signal is damaged.The technological means that the utility model adopts is as follows:
A kind of aluminum hull is the durable USB flash disk cd-rom recorder of stable protection at a high speed, it is characterized in that comprising: for connecting the usb communication interface circuit of computer USB port; Be used for the signal stable circuit of the degree of stability that improves signal of communication; For ensureing the power supply stabilizing circuit of power supply stability; Be connected with power supply stabilizing circuit with connection usb communication interface circuit, signal stable circuit respectively, for the signal conversion module of control signal output state and serial parallel conversion; Be connected with signal conversion module, the overvoltage crowbar not damaged by high electrical breakdown for the protection of circuit board and external unit; Be connected with signal conversion module, for preventing that signal wire from connecing the anti-anti-holding circuit that connects that causes master chip damage; Be connected with signal conversion module, be used to indicate signal communications status, connect the anti-cue circuit that connects of anti-prompting warning; Above-mentioned usb communication interface circuit, signal stable circuit, power supply stabilizing circuit, overvoltage crowbar, connect anti-holding circuit, connect anti-cue circuit and signal conversion module is all encapsulated in aluminum alloy casing; Described signal conversion module adopts chip PL2303HX.Described usb communication interface circuit by resettable fuse PTC1 and magnetic bead FB2 be connected on USB interface pin 1 and 5 on form; Described signal stable circuit is received by build-out resistor R6 and R7 on 15 and 16 pins of PL2303HX, pull-up resistor R8 receives on the pin 17 of PL2303HX, voltage stabilizing diode D5 and radioceramic chip capacitor C6 parallel connection, be then connected between the pin 17 of PL2303HX and ground and form; Power supply stabilizing circuit is made up of alminium electrolytic condenser C9, paster ceramic disc capacitor C10 and voltage stabilizing diode D3 parallel connection; Overvoltage crowbar high-pressure buffer enhancement mode protection triode 8550 is connected to the pin 5 of PL2303HX and pin 1 with forming between ground; Connect anti-cue circuit and connect power supply by the pin 2 resistance in series R11 of signal lamp cells D 4, pin 1 and pin 3 connect the output of PL2303HX signal and receiving end forms.
This cd-rom recorder compared with the existing technology has following features: aluminium alloy USB flash disk shell, the former cartridge chip of import carry out high speed to stablize brush machine, resettable fuse protection U mouth safety, high-pressure buffer enhancement mode protection device, circuit board turmeric technique and the original-pack device of import durable in use.The utility model also has simple to operate, practical, and cost is lower, and batch production such as is easier at the advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation of system described in the utility model;
Fig. 2 is the circuit theory diagrams of USB communication interface of the present utility model;
Fig. 3 is the circuit theory diagrams of power supply stabilizing circuit of the present utility model;
Fig. 4 is the circuit theory diagrams that connect anti-cue circuit of the present utility model;
Fig. 5 is signal stable circuit of the present utility model, connect the circuit theory diagrams of anti-holding circuit and overvoltage crowbar.
Embodiment
A kind of aluminum hull as shown in Figures 1 to 5 at a high speed durable USB flash disk cd-rom recorder of stable protection (the present embodiment directly describes as chip PL2303HX as example take signal conversion module 107) comprising: for the usb communication interface circuit 101(that connects computer USB port as shown in Figure 2, by resettable fuse PTC1 and magnetic bead FB2 be connected on USB interface pin 1 and 5 on form; 500mA resettable fuse, prevents from burning out computer main board and cd-rom recorder itself, 100 ohm of magnetic beads by shell and circuit board separate, consume part noise jamming); For improve signal of communication degree of stability signal stable circuit 102(as shown in Figure 5,18 ohm of build-out resistor R6 and R7 receive on 15 and 16 pins of PL2303HX, make Circuit responce faster; 1.5K pull-up resistor R8 receives on 17 pins of PL2303HX, guarantees to repeat plug and still can normally use; 3.3V voltage stabilizing diode D5 and radioceramic chip capacitor C6 parallel connection, be then connected between 17 pins and ground of PL2303HX, makes signal stabilization); For the power supply stabilizing circuit 103(that ensures power supply stability as shown in Figure 3, formed by alminium electrolytic condenser C9, paster ceramic disc capacitor C10 and voltage stabilizing diode D3 parallel connection; Alminium electrolytic condenser, the noise jamming of filtering low frequency, paster ceramic disc capacitor, the noise jamming of filtering high frequency, voltage stabilizing diode, guarantees that circuit voltage is constant); Be connected with power supply stabilizing circuit 103 with connection usb communication interface circuit 101, signal stable circuit 102 respectively, for the signal conversion module 107 of control signal output state and serial parallel conversion; Be connected with signal conversion module 107, the overvoltage crowbar 104(not damaged by high electrical breakdown for the protection of circuit board and external unit as shown in Figure 5, high-pressure buffer enhancement mode protection triode 8550,5 and 1 pin that in figure, U3 and U4 are connected to PL2303HX is with between ground; While giving Set Top Box burning program, due to spread of voltage, signal pin voltage can reach 16V, and now triode is opened, and pilot lamp extinguishes, stop signal transmission); Be connected with signal conversion module 107, for preventing that signal wire from connecing the anti-unilateral conduction that meets anti-holding circuit 105(and connect as shown in Figure 5 anti-holding circuit and utilize unidirectional detector diode D2 that causes that master chip damages, anti-stop signal connects the anti-chip that causes and damages); Be connected with signal conversion module 107, be used to indicate signal communications status, connect anti-prompting warning meet anti-cue circuit 106(as shown in Figure 4, pin 2 resistance in series R11 by signal lamp cells D 4 connect power supply, pin 1 and 3 connects the output of signal conversion chip signal and receiving end forms, when normal work, signal lamp is blink states, when signal connects instead, red light extinguishes, the long bright state of green light); Above-mentioned usb communication interface circuit 101, signal stable circuit 102, power supply stabilizing circuit 103, overvoltage crowbar 104, connect anti-holding circuit 105, connect anti-cue circuit 106 and signal conversion module 107 is all encapsulated in aluminum alloy casing.
The specific implementation flow process of above-mentioned cd-rom recorder (present patent application protection be composition and the above-mentioned annexation of this cd-rom recorder.Due to each ingredient separately, it is all prior art, here introducing realization flow is the possibility for its realization is described) as follows: described cd-rom recorder, the writable program of computer is connected with the U mouth 101 of cd-rom recorder by a usb signal line, processes being transferred to cd-rom recorder by burning program; Through signal mu balanced circuit 102, removed the high frequency noise signal in signal by burning program, compensating signal distortion, guarantees to be transmitted by burning program high-fidelity; Through power supply stabilization circuit 103, remove the noise signal interference that the outside ripple bringing and chip itself produce, better guarantee by burning program quality; High-fidelity through signal conversion module 107, is converted writable serial burning program the parallel programming program of computer output by burning program, by wire be connected by recording device; Now, overvoltage crowbar 104, connect anti-holding circuit 105, connect anti-cue circuit 106 and start working, test and judge is by burning program state and stability, in the time being reached 16V by the interface voltage of recording device, overvoltage crowbar 104 starting protection triode switches, breaking circuit makes to be stopped transmission by burning program, and the pilot lamp that connects anti-cue circuit 106 all lights; When by the interface voltage of recording device during lower than 16V, overvoltage crowbar 104 is closed protection triode switch, opens circuit and makes by burning program normal transmission, and the pilot lamp that connects anti-cue circuit 106 all extinguishes, and completes normal burning function.In addition, when being connect inverse time by the interface of recording device, connect anti-holding circuit 105 starting protection diode switches, breaking circuit makes to be stopped transmission by burning program, and the pilot lamp that connects anti-cue circuit 106 all glimmers; When normal by the interface of recording device, connect anti-holding circuit 105 and close protection diode switch, to open circuit and make by burning program normal transmission, the pilot lamp that connects anti-cue circuit 106 normally shows, completes normal burning function.
Lower mask body is introduced the formation of this cd-rom recorder each several part: aluminium alloy USB flash disk shell, the former cartridge chip of import carry out high speed to stablize brush machine, resettable fuse protection U mouth safety, high-pressure buffer enhancement mode protection device, circuit board turmeric technique and the original-pack device of import durable in use.Described discrete component comprises triode, diode, resistance, electric capacity, be made up of the change-over circuit of serial ports level and Transistor-Transistor Logic level above-mentioned several discrete components, this circuit has been replaced in USB-UART converter Transistor-Transistor Logic level to the logic level transition chip of RS232 level.In the time that converter is worked, the negative voltage that utilizes outside RS232 level transferring chip interface to produce charges to the electric capacity in the change-over circuit of serial ports level and Transistor-Transistor Logic level, utilizes the switching characteristic of triode to realize the conversion of serial ports level and Transistor-Transistor Logic level.Described device principle comprises: adopt the brand-new original-pack control chip PL2303HX of import, can stablize at a high speed brush machine; Have the overcurrent protection of 500mA resettable fuse, protection computer main board is not burned; High-pressure buffer enhancement mode protection triode 8550, access 16V also can not burn out; Unidirectional detector diode 1N4148 and 4.7K resistance are used in conjunction with, and guarantee MCU normal write-in program in charged situation; Paster alminium electrolytic condenser, ensures that power supply is more reliable and more stable; High precision paster crystal oscillator, ensures that IC stable output is reliable; Voltage stabilizing diode and 1.5K resistance are used in conjunction with, and guarantee download signal data transmission; 2 data transmission pilot lamp monitoring data transmission state and 1 power light is in real time set; Reserved 3.3V and 5V contact pin interface, the convenient different electrical voltage system brush machines that need power supply; USB turns serial port module cd-rom recorder can be to various satellite set top box upgradings, router, hard disk, ADSL, broadband cat firmware upgrade or crack upgrading, mobile phone, XBOX360, GPS serial communication, automobile detect, DVD brushes machine, programming STC single-chip microcomputer, NXP single-chip microcomputer, auspicious Sa single-chip microcomputer, NEC single-chip microcomputer, electrophile turns TTL signal with usb signal, AT89S51,52 and AVR complete series burning chip, to read-write operations such as Flash, EEPROM, fuse bits, the single-chip datas such as STC, NEC, NXP are downloaded, hard disk firmware upgrading, other serial communication field.
Claims (3)
1. the aluminum hull durable USB flash disk cd-rom recorder of stable protection at a high speed, is characterized in that comprising:
For connecting the usb communication interface circuit (101) of computer USB port;
Be used for the signal stable circuit (102) of the degree of stability that improves signal of communication;
For ensureing the power supply stabilizing circuit (103) of power supply stability;
Be connected with power supply stabilizing circuit (103) with connection usb communication interface circuit (101), signal stable circuit (102) respectively, for the signal conversion module (107) of control signal output state and serial parallel conversion;
Same signal conversion module (107) is connected, the overvoltage crowbar (104) not damaged by high electrical breakdown for the protection of circuit board and external unit;
Same signal conversion module (107) is connected, for prevent signal wire connect counter cause that master chip damages connect anti-holding circuit (105);
Same signal conversion module (107) is connected, be used to indicate signal communications status, connect anti-prompting warning connect anti-cue circuit (106);
Above-mentioned usb communication interface circuit (101), signal stable circuit (102), power supply stabilizing circuit (103), overvoltage crowbar (104), connect anti-holding circuit (105), connect anti-cue circuit (106) and signal conversion module (107) is all encapsulated in aluminum alloy casing.
2. a kind of aluminum hull according to claim 1 durable USB flash disk cd-rom recorder of stable protection at a high speed, is characterized in that described signal conversion module (107) adopts chip PL2303HX.
3. a kind of aluminum hull according to claim 2 durable USB flash disk cd-rom recorder of stable protection at a high speed, it is characterized in that described usb communication interface circuit (101) by resettable fuse PTC1 and magnetic bead FB2 be connected on USB interface pin 1 and 5 on form; Described signal stable circuit (102) is received by build-out resistor R6 and R7 on 15 and 16 pins of PL2303HX, pull-up resistor R8 receives on the pin 17 of PL2303HX, voltage stabilizing diode D5 and radioceramic chip capacitor C6 parallel connection, be then connected between the pin 17 of PL2303HX and ground and form; Power supply stabilizing circuit (103) is made up of alminium electrolytic condenser C9, paster ceramic disc capacitor C10 and voltage stabilizing diode D3 parallel connection; Overvoltage crowbar (104) high-pressure buffer enhancement mode protection triode 8550 is connected to the pin 5 of PL2303HX and pin 1 with forming between ground; Connect anti-cue circuit (106) and connect power supply by the pin 2 resistance in series R11 of signal lamp cells D 4, pin 1 and pin 3 connect the output of PL2303HX signal and receiving end forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320852064.5U CN203596179U (en) | 2013-12-18 | 2013-12-18 | High-speed stable protective durable USB flash disk writer with aluminum shell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320852064.5U CN203596179U (en) | 2013-12-18 | 2013-12-18 | High-speed stable protective durable USB flash disk writer with aluminum shell |
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| CN203596179U true CN203596179U (en) | 2014-05-14 |
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| CN201320852064.5U Expired - Lifetime CN203596179U (en) | 2013-12-18 | 2013-12-18 | High-speed stable protective durable USB flash disk writer with aluminum shell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109726161A (en) * | 2018-12-27 | 2019-05-07 | 海信（山东）空调有限公司 | A kind of data recording device and method |
-
2013
- 2013-12-18 CN CN201320852064.5U patent/CN203596179U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109726161A (en) * | 2018-12-27 | 2019-05-07 | 海信（山东）空调有限公司 | A kind of data recording device and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140514 |