CN201449744U - USB flash disk with anion generator - Google Patents
USB flash disk with anion generator Download PDFInfo
- Publication number
- CN201449744U CN201449744U CN2009200611476U CN200920061147U CN201449744U CN 201449744 U CN201449744 U CN 201449744U CN 2009200611476 U CN2009200611476 U CN 2009200611476U CN 200920061147 U CN200920061147 U CN 200920061147U CN 201449744 U CN201449744 U CN 201449744U
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- flash disk
- usb flash
- control circuit
- electrically connected
- pin
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Abstract
The utility model belongs to the technical field of USB flash disks, in particular to a USB flash disk with an anion generator. The USB flash disk comprises a housing, a USB interface, an anion generator and a circuit board arranged in the housing, wherein the anion generator is electrically connected with the circuit board, a USB flash disk control circuit and a power control circuit are arranged on the circuit board, and the power control circuit comprises a trigger unit and a power supply circuit; the input terminal of the trigger unit is electrically connected with the USB interface, and the output terminal thereof is electrically connected with a power supply input terminal of the USB flash disk control circuit; the input terminal of the power supply circuit is electrically connected with the USB interface, and the output terminal thereof is electrically connected with the power supply input terminal of the USB flash disk control circuit; a control signal output terminal of the USB flash disk control circuit is electrically connected with the control terminal of the power supply circuit and is used for controlling the on-off switch of the power supply circuit; the USB flash disk with an anion generator can control the on-off switch of the USB flash disk control circuit, so as to ensure that the service life of the USB flash disk control circuit is not reduced due to the switch on of the power supply for a long time, thereby guaranteeing the service life of the USB flash disk.
Description
Technical field:
The utility model relates to the USB flash disk technical field, relates in particular to a kind of USB flash disk with anion generator.
Background technology:
At present, commercially available USB flash disk is of all kinds, except basic access data function, the also subsidiary function that is provided with other, as China Patent No. is 03262654.1 disclosed a kind of new type health ion USB flash disk, it is in existing USB flash disk enclosure anion generator to be installed, the shared power supply of anion generator and USB flash disk control circuit, be connected with host computer by USB interface, provide direct supply by host computer, make USB flash disk when using, can discharge a large amount of negative ions by anion generator, reach and purify air, disinfection, strengthen purposes such as body immunity, but the shortcoming of this USB flash disk is, when using anion generator, the USB flash disk control circuit can be connected the direct supply that host computer provides automatically, the break-make that is the power supply of USB flash disk control circuit can not be controlled, therefore, and when people need to use anion generator for a long time, the USB flash disk control circuit can influence the use of the basic access data function of USB flash disk reduction of service life because of long-time energized.
The utility model content:
The purpose of this utility model is exactly the deficiency that exists at prior art and a kind of USB flash disk of band anion generator of power supply break-make of may command USB flash disk control circuit is provided.
To achieve these goals, the technical solution adopted in the utility model is:
It comprises shell, USB interface, anion generator, setting circuit board in the enclosure, anion generator is electrically connected with circuit board, circuit board is provided with the USB flash disk control circuit, also be provided with the power control circuit that is used to control USB flash disk control circuit power supply break-make on the described circuit board, power control circuit is made up of trigger element and feed circuit; The input end of described trigger element is electrically connected with USB interface, and output terminal is electrically connected with the power input of USB flash disk control circuit; The input end of described feed circuit is electrically connected with USB interface, and output terminal is electrically connected with the power input of USB flash disk control circuit; The control signal output ends of described USB flash disk control circuit is electrically connected with the control end of feed circuit, is used to control the break-make of feed circuit.
Described trigger element is a trigger button, and the 1st pin of trigger button is electrically connected with USB interface, and the 2nd pin is electrically connected with the power input of USB flash disk control circuit.
Described feed circuit comprise resistance R 4, R5, R6, R10, capacitor C 8, diode D1, triode Q1, Q2; The 2nd pin of triode Q1 is electrically connected with USB interface, the 3rd pin of triode Q1 is electrically connected with the power input of USB flash disk control circuit, resistance R 4 is connected between the 1st pin and the 2nd pin of triode Q1, one end of resistance R 5 is connected with the 1st pin of triode Q1, the other end is connected with the 2nd pin of triode Q2, the 3rd pin ground connection of triode Q2, one end of resistance R 6 is connected with the 1st pin of triode Q2, the other end is connected with the negative pole of diode D1, the positive pole of diode D1 is connected with an end of resistance R 10, the other end of resistance R 10 is connected with the control signal output ends of USB flash disk control circuit, and an end of capacitor C 8 is connected other end ground connection with the negative pole of diode D1.
Offer the position, hole that is used to place trigger button on the described shell, first pilot lamp that is used to indicate USB flash disk control circuit power supply break-make, second pilot lamp that is used to indicate the anion generator duty are installed on the shell, and first pilot lamp and second pilot lamp all are electrically connected with circuit board.
Described circuit board is provided with the indicating status control circuit that the operating voltage that is used to control second pilot lamp is not less than 5.0V, and the indicating status control circuit comprises resistance R 11, R12, R13, triode Q3; One end of resistance R 11 is electrically connected with USB interface, the other end is connected with the positive pole of second pilot lamp, the negative pole of second pilot lamp is connected with the 2nd pin of triode Q3, one end of resistance R 12 is electrically connected with USB interface, the other end is connected with the 1st pin of triode Q3, resistance R 13 is connected between the 1st pin and the 3rd pin of triode Q3, the 3rd pin ground connection of triode Q3.
Described circuit board is provided with booster circuit, and the input end of booster circuit is electrically connected with USB interface, and output terminal is electrically connected with the power input of anion generator.
The output voltage range of described booster circuit is 5.0～6.0V.
The utility model beneficial effect is:
Because circuit board of the present utility model is provided with the power control circuit that is used to control USB flash disk control circuit power supply break-make, power control circuit is made up of trigger element and feed circuit; The input end of described trigger element is electrically connected with USB interface, and output terminal is electrically connected with the power input of USB flash disk control circuit; The input end of described feed circuit is electrically connected with USB interface, and output terminal is electrically connected with the power input of USB flash disk control circuit; The control signal output ends of described USB flash disk control circuit is electrically connected with the control end of feed circuit, is used to control the break-make of feed circuit; When USB flash disk is connected with host computer by USB interface, anion generator can be connected the direct supply that host computer provides automatically, promptly in running order, discharge negative ion, but the USB flash disk control circuit can not connected the direct supply that host computer provides automatically owing to be subjected to the control of power control circuit, be that the USB flash disk control circuit is not worked, when needs use the access data function of USB flash disk control circuit, the user can be by triggering the trigger element of power control circuit, send the power input of trigger pip to the USB flash disk control circuit, send the control end of the feed circuit that control signal to power control circuit again by the USB flash disk control circuit, the conducting of control feed circuit, thereby make the USB flash disk control circuit that the direct supply that provides by feed circuit, the operation of the line access data of going forward side by side are provided.Therefore, the power supply break-make of the utility model may command USB flash disk control circuit, have only when needing to use the access data function of USB flash disk control circuit, just can connect the power supply of USB flash disk control circuit, make the USB flash disk control circuit can be because of long-time energized reduction of service life, guaranteed serviceable life of USB flash disk.
Description of drawings:
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the decomposing schematic representation of the utility model embodiment one;
Fig. 3 is the circuit theory diagrams of the utility model embodiment one USB flash disk control circuit;
Fig. 4 is the circuit theory diagrams of the utility model embodiment one USB interface, anion generator, isolation interfered circuit and power control circuit;
Fig. 5 is the circuit theory diagrams of the utility model embodiment two USB interface, anion generator, isolation interfered circuit, indicating status control circuit and power control circuit;
Fig. 6 is the circuit theory diagrams of the utility model embodiment three USB interface, anion generator, isolation interfered circuit, booster circuit and power control circuit.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described, please refer to Fig. 1～4, be embodiment one of the present utility model, it comprises shell, USB interface 2, anion generator 3, circuit board 4 in the enclosure is set, circuit board 4 is provided with the USB flash disk control circuit, wherein, the USB flash disk control circuit comprises custom circuits such as storer, chip for driving; Described shell is fastened mutually by loam cake 11 and lower cover 12 to be formed, anion generator 3 is electrically connected with circuit board 4, more particularly, the power input of anion generator 3 is connected with the 4th pin (power supply pin) of USB interface 2, the earth terminal of anion generator 3 is connected with the 1st pin (grounding leg) of USB interface 2, directly is anion generator 3 power supplies by USB interface 2 promptly, makes when in a single day USB flash disk is connected with host computer, anion generator 3 is just started working, and discharges negative ion; Described circuit board 4 is provided with the USB flash disk control circuit, is used to control the power control circuit of USB flash disk control circuit power supply break-make, and power control circuit is made up of trigger element 421 and feed circuit 422; The input end of described trigger element 421 is electrically connected with USB interface 2, and output terminal is electrically connected with the power input of USB flash disk control circuit; The input end of described feed circuit 422 is electrically connected with USB interface 2, and output terminal is electrically connected with the power input of USB flash disk control circuit; The control signal output ends of described USB flash disk control circuit is electrically connected with the control end of feed circuit 422, is used to control the break-make of feed circuit 422.
The trigger element 421 of present embodiment is trigger button 8 (K1), the 1st pin of trigger button 8 is electrically connected with USB interface 2, the 2nd pin is electrically connected with the power input (VD) of USB flash disk control circuit, more particularly, described circuit board 4 is provided with the isolation interfered circuit 43 that is used to isolate anion generator 3 power supplies and the power supply of USB flash disk control circuit, isolate interfered circuit 43 by filter capacitor C9, C10 and inductance L 1 are formed, one end of inductance L 1 is for isolating the input end of interfered circuit 43, it is connected with the 4th pin (power supply pin) of USB interface 2, the other end of inductance L 1 is for isolating the output terminal of interfered circuit 43, and it is connected with the 1st pin of trigger button 8.
The feed circuit 422 of present embodiment comprise resistance R 4, R5, R6, R10, capacitor C 8, diode D1, triode Q1, Q2; The 2nd pin of triode Q1 is connected with the output terminal of isolating interfered circuit 43, the 3rd pin of triode Q1 is electrically connected with the power input of USB flash disk control circuit, resistance R 4 is connected between the 1st pin and the 2nd pin of triode Q1, one end of resistance R 5 is connected with the 1st pin of triode Q1, the other end is connected with the 2nd pin of triode Q2, the 3rd pin ground connection of triode Q2, one end of resistance R 6 is connected with the 1st pin of triode Q2, the other end is connected with the negative pole of diode D1, the positive pole of diode D1 is connected with an end of resistance R 10, the other end of resistance R 10 is connected with the control signal output ends (LED) of USB flash disk control circuit, one end of capacitor C 8 is connected other end ground connection with the negative pole of diode D1; When needs use the access data function of USB flash disk control circuit, as long as manually press trigger button 8, make the power input (VD) of USB flash disk control circuit obtain a trigger pip, then the USB flash disk control circuit can be controlled its control signal output ends (LED) and sends and control signal to feed circuit 422, make triode Q2 conducting, triode Q2 triggers the Q1 conducting simultaneously, makes the USB flash disk control circuit that the direct supply that is provided by feed circuit 422, the operation of the line access data of going forward side by side are provided.
Offer the position, hole 5 that is used to place trigger button 8 on the shell of present embodiment, first pilot lamp 6 that is used to indicate USB flash disk control circuit power supply break-make, second pilot lamp 7 that is used to indicate anion generator 3 duties are installed on the shell, first pilot lamp 6 and second pilot lamp 7 all are electrically connected with circuit board 4, wherein, described first pilot lamp 6 is a red-light LED, and second pilot lamp 7 is a green light LED; When USB flash disk control circuit power supply was connected, first pilot lamp 6 was lighted, otherwise first pilot lamp 6 extinguishes, and when anion generator 3 work, second pilot lamp 7 is lighted, otherwise second pilot lamp 7 extinguishes.Therefore, when the utility model was connected with host computer by USB interface 2, anion generator 3 was promptly started working, second pilot lamp 7 is lighted, and the USB flash disk control circuit is not worked, and first pilot lamp 6 extinguishes, and has only the access data function that needs to use the USB flash disk control circuit, when pressing trigger button 8, just can connect the power supply of USB flash disk control circuit, first pilot lamp 6 is lighted, like this, can avoid the USB flash disk control circuit because long-time energized and reduction of service life, guarantee the serviceable life of USB flash disk.
Please refer to Fig. 5, circuit theory diagrams for embodiment two of the present utility model, embodiment two is with the difference of embodiment one, further be provided with the indicating status control circuit 44 that the operating voltage that is used to control second pilot lamp 7 is not less than 5.0V on the described circuit board 4, when promptly the voltage of importing when the 4th pin (power supply pin) of USB interface 2 is not less than 5.0V, the work of second pilot lamp 7 is lighted, and when the voltage of the 4th pin (power supply pin) input of USB interface 2 was lower than 5.0V, second pilot lamp 7 was not lighted; Indicating status control circuit 44 comprises resistance R 11, R12, R13, triode Q3; One end of resistance R 11 is connected with the 4th pin of USB interface 2, the other end is connected with the positive pole of second pilot lamp 7, the negative pole of second pilot lamp 7 is connected with the 2nd pin of triode Q3, one end of resistance R 12 is connected with the 4th pin of USB interface 2 (power supply pin), the other end is connected with the 1st pin of triode Q3, resistance R 13 is connected between the 1st pin and the 3rd pin of triode Q3, the 3rd pin ground connection of triode Q3; Because general anion generator 3 is to be not less than under the situation of 5.0V in operating voltage, its quantity that discharges negative ion is maximum, by the structure of above-mentioned indicating status control circuit 44 as can be seen, the voltage of the 4th pin (power supply pin) input that has only USB interface 2 is when being not less than 5.0V, triode Q3 just understands conducting, and then light second pilot lamp 7, promptly pointed out the user, when having only second pilot lamp 7 to light, anion generator 3 just is in best duty. and other structure and the principle of work of the utility model embodiment two are identical with embodiment one, therefore repeat no more here.
Please refer to Fig. 6, circuit theory diagrams for embodiment three of the present utility model, embodiment three is with the difference of embodiment one, described circuit board 4 is provided with booster circuit 45, the input end of booster circuit 45 is electrically connected with USB interface 2, output terminal is electrically connected with the power input of anion generator 3, be anion generator 3 power supplies promptly by booster circuit 45, more particularly, described circuit board 4 is provided with the isolation interfered circuit 43 that is used to isolate anion generator 3 power supplies and the power supply of USB flash disk control circuit, isolate interfered circuit 43 by filter capacitor C9, C10 and inductance L 1 are formed, one end of inductance L 1 is for isolating the input end of interfered circuit 43, it is connected with the 4th pin (power supply pin) of USB interface 2, and the other end of inductance L 1 is for isolating the output terminal of interfered circuit 43, and its input end with booster circuit 45 is connected; Wherein, described booster circuit 45 mainly is made up of boost control chip U3 and peripheral component thereof, the function of booster circuit 45 is that USB interface 2 the 4th pin is passed the boost in voltage of the direct supply of coming to 5.6V, be anion generator 3 power supplies, certainly, in the present embodiment, the output voltage range of described booster circuit 45 can be set to 5.0～6.0V, be not limited to the 5.6V that present embodiment is selected for use, as long as it makes anion generator 3 be in preferable duty.Other structure and the principle of work of the utility model embodiment three are identical with embodiment one, therefore repeat no more here.
Certainly, the above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (7)
1. USB flash disk with anion generator, it comprises shell, USB interface, anion generator, setting circuit board in the enclosure, anion generator is electrically connected with circuit board, circuit board is provided with the USB flash disk control circuit, it is characterized in that: also be provided with the power control circuit that is used to control USB flash disk control circuit power supply break-make on the described circuit board, power control circuit is made up of trigger element and feed circuit;
The input end of described trigger element is electrically connected with USB interface, and output terminal is electrically connected with the power input of USB flash disk control circuit;
The input end of described feed circuit is electrically connected with USB interface, and output terminal is electrically connected with the power input of USB flash disk control circuit;
The control signal output ends of described USB flash disk control circuit is electrically connected with the control end of feed circuit, is used to control the break-make of feed circuit.
2. the USB flash disk of band anion generator according to claim 1 is characterized in that: described trigger element is a trigger button, and the 1st pin of trigger button is electrically connected with USB interface, and the 2nd pin is electrically connected with the power input of USB flash disk control circuit.
3. the USB flash disk of band anion generator according to claim 1 and 2 is characterized in that: described feed circuit comprise resistance R 4, R5, R6, R10, capacitor C 8, diode D1, triode Q1, Q2; The 2nd pin of triode Q1 is electrically connected with USB interface, the 3rd pin of triode Q1 is electrically connected with the power input of USB flash disk control circuit, resistance R 4 is connected between the 1st pin and the 2nd pin of triode Q1, one end of resistance R 5 is connected with the 1st pin of triode Q1, the other end is connected with the 2nd pin of triode Q2, the 3rd pin ground connection of triode Q2, one end of resistance R 6 is connected with the 1st pin of triode Q2, the other end is connected with the negative pole of diode D1, the positive pole of diode D1 is connected with an end of resistance R 10, the other end of resistance R 10 is connected with the control signal output ends of USB flash disk control circuit, and an end of capacitor C 8 is connected other end ground connection with the negative pole of diode D1.
4. the USB flash disk of band anion generator according to claim 1, it is characterized in that: offer the position, hole that is used to place trigger button on the described shell, first pilot lamp that is used to indicate USB flash disk control circuit power supply break-make, second pilot lamp that is used to indicate the anion generator duty are installed on the shell, and first pilot lamp and second pilot lamp all are electrically connected with circuit board.
5. the USB flash disk of band anion generator according to claim 4, it is characterized in that: described circuit board is provided with the indicating status control circuit that the operating voltage that is used to control second pilot lamp is not less than 5.0V, the indicating status control circuit comprises resistance R 11, R12, R13, triode Q3; One end of resistance R 11 is electrically connected with USB interface, the other end is connected with the positive pole of second pilot lamp, the negative pole of second pilot lamp is connected with the 2nd pin of triode Q3, one end of resistance R 12 is electrically connected with USB interface, the other end is connected with the 1st pin of triode Q3, resistance R 13 is connected between the 1st pin and the 3rd pin of triode Q3, the 3rd pin ground connection of triode Q3.
6. the USB flash disk of band anion generator according to claim 4 is characterized in that: described circuit board is provided with booster circuit, and the input end of booster circuit is electrically connected with USB interface, and output terminal is electrically connected with the power input of anion generator.
7. the USB flash disk of band anion generator according to claim 6 is characterized in that: the output voltage range of described booster circuit is 5.0～6.0V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200611476U CN201449744U (en) | 2009-07-24 | 2009-07-24 | USB flash disk with anion generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200611476U CN201449744U (en) | 2009-07-24 | 2009-07-24 | USB flash disk with anion generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201449744U true CN201449744U (en) | 2010-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200611476U Expired - Fee Related CN201449744U (en) | 2009-07-24 | 2009-07-24 | USB flash disk with anion generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201449744U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574781A (en) * | 2013-11-05 | 2014-02-12 | 谢虹 | Miniature anion air purifier |
| CN103574783A (en) * | 2013-11-05 | 2014-02-12 | 谢虹 | Miniature anion air purifier |
| CN103574784A (en) * | 2013-11-05 | 2014-02-12 | 谢虹 | Miniature anion air purifier |
| CN103574786A (en) * | 2013-11-05 | 2014-02-12 | 谢虹 | Miniature anion air purifier |
| CN103574782A (en) * | 2013-11-05 | 2014-02-12 | 谢虹 | Miniature anion air purifier |
| CN103579815A (en) * | 2013-11-05 | 2014-02-12 | 谢虹 | Miniature anion air purifier |
| CN103574785A (en) * | 2013-11-05 | 2014-02-12 | 谢虹 | Miniature anion air purifier |
-
2009
- 2009-07-24 CN CN2009200611476U patent/CN201449744U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574781A (en) * | 2013-11-05 | 2014-02-12 | 谢虹 | Miniature anion air purifier |
| CN103574783A (en) * | 2013-11-05 | 2014-02-12 | 谢虹 | Miniature anion air purifier |
| CN103574784A (en) * | 2013-11-05 | 2014-02-12 | 谢虹 | Miniature anion air purifier |
| CN103574786A (en) * | 2013-11-05 | 2014-02-12 | 谢虹 | Miniature anion air purifier |
| CN103574782A (en) * | 2013-11-05 | 2014-02-12 | 谢虹 | Miniature anion air purifier |
| CN103579815A (en) * | 2013-11-05 | 2014-02-12 | 谢虹 | Miniature anion air purifier |
| CN103574785A (en) * | 2013-11-05 | 2014-02-12 | 谢虹 | Miniature anion air purifier |
| WO2015066854A1 (en) * | 2013-11-05 | 2015-05-14 | 谢虹 | Miniature negative-ion air purifier |
| CN103574785B (en) * | 2013-11-05 | 2016-01-20 | 谢虹 | A kind of miniature anion air purifier |
| CN103574783B (en) * | 2013-11-05 | 2016-06-15 | 邢皓宇 | A kind of miniature anion air purifier |
| CN103574781B (en) * | 2013-11-05 | 2016-06-15 | 邢皓宇 | A kind of miniature anion air purifier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20120724 |