CN204257208U - A kind of anti-loss USB and the discovery systems formed thereof - Google Patents
A kind of anti-loss USB and the discovery systems formed thereof Download PDFInfo
- Publication number
- CN204257208U CN204257208U CN201420619558.3U CN201420619558U CN204257208U CN 204257208 U CN204257208 U CN 204257208U CN 201420619558 U CN201420619558 U CN 201420619558U CN 204257208 U CN204257208 U CN 204257208U
- Authority
- CN
- China
- Prior art keywords
- pin
- resistance
- usb
- flash disk
- electric capacity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Storage Device Security (AREA)
Abstract
The discovery systems that the utility model discloses a kind of anti-loss USB and form, primarily of shell (1), be arranged on the USB flash disk storer (2) that shell (1) is inner, and to be solidified as a whole with shell (1) and the USB head (3) be connected with USB flash disk storer (2) forms, it is characterized in that, MCU controller (4) is also built-in with in the inside of shell (1), and the motherboard circuit (5), locating device (6) and the battery (7) that are connected with MCU controller (4).The utility model in the enclosure portion is provided with the locating device of hidden, and when USB flash disk is lost, USB flash disk owner just by searching terminal to position, can look for facilitate owner.
Description
Technical field
The utility model relates to a kind of electronic product, the discovery systems specifically referring to a kind of anti-loss USB and form.
Background technology
USB flash disk is as data storage device general at present, and it not only has the huge market demand, and its capacity is also increasing, and volume is also more and more less, and very convenient people go out to carry.But also just because of the small volume of these USB flash disks, also often make user easily ignore their placement location, the situation usually causing USB flash disk to be lost occurs.In addition, people usually can store some important data messages in USB flash disk, once these loss of datas will bring huge loss to user, how effectively to prevent leaking of data in USB flash disk from being also the technical matters that people pay special attention to.
But, current people to how effectively to prevent USB flash disk from losing and USB flash disk lose after how to look for and prevent data to leak not good solution, how effectively to solve the problem is the task of top priority of people.
Utility model content
The purpose of this utility model is to be not easy to give for change after overcoming existing USB flash disk loses, and the defect that data easily leak, and provides a kind of anti-loss USB with positioning function, and the discovery systems be made up of this anti-loss USB.
The purpose of this utility model is achieved through the following technical solutions: a kind of anti-loss USB, primarily of shell, be arranged on the USB flash disk storer of enclosure, and to be solidified as a whole with shell and the USB head group be connected with USB flash disk storer becomes, and be also built-in with MCU controller in the inside of shell, and the motherboard circuit, locating device and the battery that are connected with MCU controller.
Further, described motherboard circuit is made up of battery charger, self-destruct circuit, signal controller; Described USB flash disk storer is connected with MCU controller by signal controller.
Described battery charger is by charging chip U, and electric capacity C1, electric capacity C2, resistance R1 form; One end ground connection, the other end of electric capacity C2 are connected with the VCC pin of charging chip U, electric capacity C1 is then in parallel with electric capacity C2, one end ground connection, its other end of resistance R1 are then connected with the PROG pin of charging chip U, and the BAT pin of charging chip U is connected with battery.
Described self-destruct circuit is by control chip U1, field effect transistor Q, one end is connected with field effect transistor Q source electrode, the resistance R2 that the other end is then connected with the grid of field effect transistor Q after resistance R3, one end is connected with the VIN pin of control chip U1, the inductance L 1 that the other end is connected with the SW pin of control chip U1, N pole is ground connection after resistance R4 and resistance R6, the diode D1 that P pole is then connected with the SW pin of control chip U1, one end is connected with the N pole of diode D1, the other end is as the resistance R5 of circuit output end, and one end is connected with diode N pole, the electric capacity C3 of other end ground connection forms, the EN pin of described control chip U1 is connected with VIN pin, and its VIN pin is then connected with the drain electrode of field effect transistor Q, and FB pin is connected with the tie point of resistance R6 with resistance R4, and GND1 pin ground connection, GND pin is connected with GND1 pin.
Described locating device by the GPRS communication module be connected with MCU controller, and is arranged on the SIM card composition of GPRS communication module inside.
The inquiry system be made up of anti-loss USB, it also comprises the webserver be connected with GPRS communication module by wireless network, and be connected with the webserver by wireless network search terminal.
For convenience of controlling, the described terminal that searches is smart mobile phone, phone, notebook computer or panel computer.
The utility model comparatively prior art is compared, and has the following advantages and beneficial effect:
(1) the utility model one-piece construction is comparatively simple, can not increase the volume of USB flash disk, is convenient to make and carry.
(2) the utility model is provided with the locating device of hidden in portion in the enclosure, and when USB flash disk is lost, USB flash disk owner just by searching terminal to position, can look for facilitate owner.
(3) the utility model also has digital independent controlling functions and data self-destroying function, therefore to guarantee greatly in USB flash disk store the security of data.
(4) the utility model is simple to operate, is suitable for promotion and application.
Accompanying drawing explanation
Fig. 1 is the appearance schematic diagram of the utility model anti-loss USB.
Fig. 2 is inner one-piece construction schematic block diagram of the present utility model.
Fig. 3 is motherboard circuit structural representation of the present utility model.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment 1
As shown in Figure 1, 2, USB flash disk of the present utility model is similar with traditional USB flash disk structure, is all by shell 1, is arranged on the USB flash disk storer 2 of shell 1 inside, and is solidified as a whole with shell 1 and the USB be connected with USB flash disk storer 23 forms.In the present embodiment, the application is also built-in with MCU controller 4 in the inside of shell 1, and the motherboard circuit 5, locating device 6 and the battery 7 that are connected with MCU controller 4.
Battery 7 is specifically designed to as MCU controller 4 and locating device provide working power.Wherein, as shown in Figure 3, it is by the battery charger 8 be connected with battery 7 to motherboard circuit 5, the self-destruct circuit 9 be connected with MCU controller 4, and is serially connected in USB the signal controller between 3 and MCU controller 4 and forms.
Described battery charger 8 for providing charge power supply for battery 7, to guarantee that battery 7 has sufficient electricity.This battery charger 8 is by charging chip U, and electric capacity C1, electric capacity C2 and resistance R1 form.During connection, one end ground connection, the other end of electric capacity C2 are connected with the VCC pin of charging chip U, and electric capacity C1 is then in parallel with electric capacity C2, and one end ground connection, its other end of resistance R1 are then connected with the PROG pin of charging chip U.Meanwhile, the BAT pin of charging chip U is connected with battery 7, and its CHG pin is empty pin, GND pin ground connection.
Self-destruct circuit 9 burns USB flash disk storer 2, to realize the destruction function of data for exporting 36V high voltage when MCU controller 4 receives command-destruct.This self-destruct circuit 9 by the control chip U1 of control action, field effect transistor Q, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, inductance L 1, electric capacity C3 and diode D1 forms.During connection, one end of resistance R2 is connected with the source electrode of field effect transistor Q, and its other end is connected with the grid of field effect transistor Q after resistance R3; One end of inductance L 1 is connected with the VIN pin of control chip U1, and its other end is connected with the SW pin of control chip U1; N pole ground connection after resistance R4 and resistance R6 of diode D1, its P pole is then connected with the SW pin of control chip U1.
One end of resistance R5 is connected with the N pole of diode D1, and its other end is as circuit output end; And one end of electric capacity C3 is connected with the N pole of diode D1, its other end then ground connection.Meanwhile, the EN pin of described control chip U1 is connected with VIN pin, and its VIN pin is then connected with the drain electrode of field effect transistor Q, and FB pin is connected with the tie point of resistance R6 with resistance R4, and GND1 pin ground connection, GND pin is connected with GND1 pin.
Described signal controller then realizes break-make according to the instruction of received MCU controller 4, realizes with this function whether USB flash disk storer 2 allows reading.That is, when signal controller receive MCU controller 4 do not allow reading command time, then this signal controller just cuts off USB 3 and the data exchange channel of USB flash disk storer 2, does not allow external computer to read the data of this USB flash disk; And when signal controller receives the permission reading command of MCU controller 4, then this signal controller just conducting USB 3 and data exchange channel of USB flash disk storer 2, allows external computer to read the data of this USB flash disk.
Locating device 6 is for the location of USB flash disk, and it is by the GPRS communication module 10 be connected with MCU controller 4, and is arranged on the SIM card composition of GPRS communication module 10 inside.
For realizing the function hidden, the MCU controller 4 in the present embodiment, motherboard circuit 5, battery 7 and locating device 6 are all built in the inside of shell 1, and especially locating device 6 needs the embedded inside being sealed in shell 1.
Embodiment 2
The present embodiment is the Long-distance Control and inquiry system that are formed on the basis of embodiment 1, and namely on the basis of embodiment 1, the utility model also has additional the webserver 11 and inquiry terminal 12 in addition, and its structure as shown in Figure 2.Namely this webserver 11 is connected with GPRS communication module 10 by wireless network, searches terminal 12 and is then connected with the webserver 11 by wireless network.
Use for convenience of user, this searches terminal 12 and preferentially adopts smart mobile phone, phone, notebook computer or panel computer to realize.Namely after the USB flash disk described in the application is lost, user's use searches terminal 12 and is connected to the webserver 11 by wireless network, and send permission access instruction by the webserver 11 to the GPRS communication module 10 be arranged in USB flash disk, do not allow access instruction, data destroying instruction and positioning instruction etc., to guarantee that user can find the USB flash disk of loss as early as possible or guarantee the safety of data in USB flash disk.
As mentioned above, just well the utility model can be implemented.
Claims (7)
1. an anti-loss USB, primarily of shell (1), be arranged on the USB flash disk storer (2) that shell (1) is inner, and to be solidified as a whole with shell (1) and the USB head (3) be connected with USB flash disk storer (2) forms, it is characterized in that, MCU controller (4) is also built-in with in the inside of shell (1), and the motherboard circuit (5), locating device (6) and the battery (7) that are connected with MCU controller (4).
2. a kind of anti-loss USB according to claim 1, is characterized in that, described motherboard circuit (5) is made up of battery charger (8), self-destruct circuit (9) and signal controller; Described USB flash disk storer (2) is then connected with MCU controller (4) by signal controller.
3. a kind of anti-loss USB according to claim 2, is characterized in that, described battery charger (8) is by charging chip U, and electric capacity C1, electric capacity C2, resistance R1 form; One end ground connection, the other end of electric capacity C2 are connected with the VCC pin of charging chip U, and electric capacity C1 is then in parallel with electric capacity C2, and one end ground connection, its other end of resistance R1 are then connected with the PROG pin of charging chip U; The BAT pin of described charging chip U is connected with battery (7).
4. a kind of anti-loss USB according to claim 3, it is characterized in that, described self-destruct circuit (9) is by control chip U1, field effect transistor Q, one end is connected with the source electrode of field effect transistor Q, the resistance R2 that the other end is then connected with the grid of field effect transistor Q after resistance R3, one end is connected with the VIN pin of control chip U1, the inductance L 1 that the other end is connected with the SW pin of control chip U1, N pole is ground connection after resistance R4 and resistance R6, the diode D1 that P pole is then connected with the SW pin of control chip U1, one end is connected with the N pole of diode D1, the other end is as the resistance R5 of circuit output end, and one end is connected with diode N pole, the electric capacity C3 of other end ground connection forms, the EN pin of described control chip U1 is connected with VIN pin, and its VIN pin is also connected with the drain electrode of field effect transistor Q, and FB pin is connected with the tie point of resistance R6 with resistance R4, and GND1 pin ground connection, GND pin is connected with GND1 pin.
5. a kind of anti-loss USB according to claim 4, is characterized in that, described locating device (6) by the GPRS communication module (10) be connected with MCU controller (4), and is arranged on the inner SIM card composition of GPRS communication module (10).
6. one kind by the anti-loss USB described in any one of Claims 1 to 5 and the discovery systems that forms thereof, it is characterized in that, also comprise the webserver (11) be connected with GPRS communication module (10) by wireless network, and be connected with the webserver (11) by wireless network search terminal (12).
7. discovery systems according to claim 6, is characterized in that: terminal (12) is smart mobile phone in described searching, phone, notebook computer or panel computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420619558.3U CN204257208U (en) | 2014-10-24 | 2014-10-24 | A kind of anti-loss USB and the discovery systems formed thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420619558.3U CN204257208U (en) | 2014-10-24 | 2014-10-24 | A kind of anti-loss USB and the discovery systems formed thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204257208U true CN204257208U (en) | 2015-04-08 |
Family
ID=52961491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420619558.3U Expired - Fee Related CN204257208U (en) | 2014-10-24 | 2014-10-24 | A kind of anti-loss USB and the discovery systems formed thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204257208U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107729776A (en) * | 2017-08-25 | 2018-02-23 | 芜湖市振华戎科智能科技有限公司 | Encryption lock USB flash disk |
-
2014
- 2014-10-24 CN CN201420619558.3U patent/CN204257208U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107729776A (en) * | 2017-08-25 | 2018-02-23 | 芜湖市振华戎科智能科技有限公司 | Encryption lock USB flash disk |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104281813A (en) | Wireless remote control memory system and control method thereof | |
| CN203933124U (en) | A kind of single interface portable power source, bluetooth keyboard and protective sleeve | |
| CN205610259U (en) | Cell -phone charger with automatic timer function of cutting off power supply | |
| CN205050134U (en) | Portable power source TYPE -C interface management circuit | |
| CN204257208U (en) | A kind of anti-loss USB and the discovery systems formed thereof | |
| CN203151758U (en) | Portable 3G multimedia WiFi mobile power supply memory | |
| CN202871074U (en) | Wireless communication collecting module for electric energy meter | |
| CN103680580A (en) | USB flash disk | |
| CN203616795U (en) | Intelligent community access control system | |
| CN202889817U (en) | U (USB flash disc) disc for mobile phone cover | |
| CN204632339U (en) | A kind of high-power audio playing circuit and audio playing apparatus | |
| CN204578130U (en) | The private cloud charger baby of intelligence WIFI | |
| CN204230947U (en) | A kind of portable power source of standby zero-power-consumption | |
| CN203225554U (en) | Solar energy lithium battery charger based on single-chip microcomputer | |
| CN206505435U (en) | A kind of USB flash drive being wirelessly transferred | |
| CN202632306U (en) | Card-reader with storage function | |
| CN204967778U (en) | Low -power consumption chip hardware reset circuit that charges | |
| CN204650533U (en) | A kind of novel radio card reader | |
| CN203104001U (en) | Wireless charger for mobile phone | |
| CN204740752U (en) | Prevent losing language repeater | |
| CN204256432U (en) | A kind of electric bicycle power-supply management system | |
| CN204391849U (en) | A kind of Multifunctional charger baby | |
| CN201910472U (en) | Anti-theft battery jar in mobile communication base station | |
| CN203406914U (en) | A mobile communication device capable of changing a peripheral screen body | |
| CN202906137U (en) | Socket assembly with automatic electricity-storing and USB charging functions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20181024 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |