CN204331858U - A kind of electronic unlocking device - Google Patents
A kind of electronic unlocking device Download PDFInfo
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- CN204331858U CN204331858U CN201420644156.9U CN201420644156U CN204331858U CN 204331858 U CN204331858 U CN 204331858U CN 201420644156 U CN201420644156 U CN 201420644156U CN 204331858 U CN204331858 U CN 204331858U
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Abstract
The utility model provides a kind of electronic unlocking device; be provided with master controller, power supply power module of voltage regulation; adopt rechargeable battery as power supply in power supply power module of voltage regulation, described electronic unlocking device is also provided with charging Control protection module, constant-current discharge module, charging and data communication interface module, hall sensing module, external charging power detecting module.The utility model to by the external unit of unblanking, can carry out power supply and sends password simultaneously, make external unit connecing except reporting to the police, electric after unblank.Thus the structure of external unit can be simplified, and improve the security unblanked.And the utility model also possess by magnetic cell induction module trigger master controller carry out password acceptance more New function, improve security further.
Description
Technical field
The utility model relates to commodity anti-theft field, is specifically related to the electronic unlocking device of goods protection device.
Background technology
In electronic article surveillance field; protection box is for the protection of commodity such as clean class, beauty treatment class, battery class, video disc/discs; because protection box generally adopts transparent plastic to be made; except being used for protecting commodity; can also commodity marshalling; what promote commodity views and admires sense, so the range of application of protection box is more and more wider.The bolt of current protection box generally adopts the mode of latch+spring, therefore, and its lockaid gun magnetic lockaid gun.But along with the widespread use of magnetic lockaid gun, comparatively speaking, its theftproof performance is not as in the past so guaranteed.
Also there is the bolt adopting motor driven latch tongue to unblank, to this, adopt electronic unlocking device to unblank, but bolt volume is narrow and small, how to arrange power supply, motor etc. to be also difficult points in bolt.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of electronic unlocking device, and it can to being carried out charging send signal simultaneously by the external unit of unblanking, external unit is connect except reporting to the police, electric after unblank.For this reason, the utility model is by the following technical solutions:
A kind of electronic unlocking device; be provided with master controller, power supply power module of voltage regulation; it is characterized in that adopting rechargeable battery as power supply in power supply power module of voltage regulation; described electronic unlocking device is also provided with charging Control protection module, constant-current discharge module, charging and data communication interface module, hall sensing module, external charging power detecting module, wherein:
Described power supply power module of voltage regulation is connected with the triode of described master controller, described hall sensing module, described charging Control protection module, to they power supplies;
The power end of hall sensing module is connected with power supply power module of voltage regulation, earth terminal ground connection, and signal end is connected with master controller;
Described charging is connected with the charging and discharging power end of described external charging power detecting module with the charging and discharging power end of the live part in data communication interface module, described charging and discharging power end is connected with the power end of described charging Control protection module after voltage stabilizing, charges with being connected with master controller with the data terminal of the segment signal output in data communication interface module;
Charging and data communication interface module have the first contact, the second contact and the 3rd contact, first contact and the 3rd contact are for charging and powering to by the external unit of unblanking, second contact is for receiving password and to described external unit output password, the charge position of link and signal end of position and the described external charging power-supply device of the first contact, the second contact and the 3rd contact is corresponding, and corresponding with the position connecing electric connecting terminal and signal input part of described external unit;
Described charging Control protection module comprises charging manager, temperature monitoring module, current-limiting resistance, control end, control end is connected with master controller, it connects battery-end and is connected with the rechargeable battery of described power supply power module of voltage regulation, can realize the protective effect of rechargeable battery;
The analog to digital conversion power end of external charging power detecting module is connected with master controller, and the connection battery-end of constant-current discharge module is connected with the rechargeable battery of power supply power module of voltage regulation, is no more than the maximum current of setting when realizing rechargeable battery electric discharge.
Further, charging and data communication interface module adopt three contact connector.
Further, described electronic unlocking device is also provided with status indicator lamp module, battery voltage acquisition module, and described status indicator lamp module is connected with power supply power module of voltage regulation, by its power supply; Described status indicator lamp module is also connected with master controller, controls by it; The connection battery-end of battery voltage acquisition module is connected with the chargeable connection battery-end in power supply power module of voltage regulation, and the analog to digital conversion signal end of described battery voltage acquisition module is connected with master controller, exports its signal gathered to master controller.
Owing to adopting the technical solution of the utility model, the utility model can carry out power supply to by the external unit (circuit than in bolt as mentioned in the background) of unblanking and send password simultaneously, make external unit connecing except reporting to the police, must electric after unblank.Thus the structure of external unit can be simplified, and improve the security unblanked.And the utility model also possess by magnetic cell induction module trigger master controller carry out password acceptance more New function, improve security further.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of embodiment provided by the utility model.
Fig. 2 is cut-open view embodiment illustrated in fig. 1.
Fig. 3 is circuit diagram of the present utility model.
Embodiment
With reference to accompanying drawing.A kind of electronic unlocking device provided by the utility model; be provided with master controller A, power supply power module of voltage regulation B, described electronic unlocking device is also provided with charging Control protection module C, constant-current discharge module D, charging and data communication interface module E, hall sensing module F, external charging power detecting module G, status indicator lamp module H, battery voltage acquisition module I.Drawing reference numeral 100 is the shell of electronic unlocking device, and drawing reference numeral 101 is PCB mainboard.
Wherein, power supply power module of voltage regulation B is responsible for powering to electronic unlocking device electricity consumption device, it exports 3.3V direct current to electricity consumption modules such as master controller A, status indicator lamp module H, hall sensing module F, adopts rechargeable battery B1 as power supply in power supply power module of voltage regulation B.
Charging Control protection module C; comprise: charging manager U1, temperature monitoring module C1, current-limiting resistance R38, control I/O port C2; control I/O port C2 is connected with the pin Iin ctrl of master controller, by controlling the charging process of rechargeable battery, shields to rechargeable battery:
1, resistance R38 controls the size of charging current, prevents super-high-current from damaging rechargeable battery;
If 2, pin Iin ctrl electronegative potential, charging manager U1 forbids, to rechargeable battery charging, even if there is external power source to access, also not charging to rechargeable battery; If pin Iin ctrl noble potential, charging manager U1 allows to charge to rechargeable battery;
3, temperature monitoring module C1 detects the temperature of charging manager U1, if U1 temperature is too high, then stops charging, as U1 temperature is normal, then charges;
4, charging manager U1 exports to rechargeable battery charging again the voltage voltage stabilizing of external charging power supply after 4.2V, when charging manager U1 detects the overtension of rechargeable battery, then can stop charging.
Constant-current discharge module D, being no more than the maximum current of setting, preventing the possible overcurrent damage to rechargeable battery during for realizing the rechargeable battery electric discharge of powering in power module of voltage regulation B; The overcurrent damage to external unit (motor in such as, mentioned in background technology bolt) can also be prevented.
Charging and data communication interface module E have the first contact 1, second contact 2 and the 3rd contact 3, first contact and the 3rd contact are used for the rechargeable battery charging in power supply power module of voltage regulation D and power to by the external unit of unblanking, second contact is for receiving password and to described external unit output password, first contact, the charge position of link and signal end of position and the described external charging power-supply device of the second contact and the 3rd contact is corresponding, and it is corresponding with the position connecing electric connecting terminal and signal input part of described external unit, can to the position alignment of corresponding three contacts on described external unit, two contacts on described external unit in three contacts are for receiving externally fed, remaining next contact is for receiving password.Charging is responsible for and externally fed equipment connection with data communication interface module E, charges to the rechargeable battery B1 in power supply power module of voltage regulation B; Charging and data communication interface module E be the responsible password receiving password dispensing device and send also, is transferred to master controller A; Charging and data communication interface module E are also responsible for communicating with described external unit (circuit than in bolt as mentioned in the background), master controller A are given its password sent and send to described external unit, external unit is unblanked or removes warning; Charging and data communication interface module are also responsible for powering to described external unit (circuit than in bolt as mentioned in the background).
The Vs power end of hall sensing module F, hall sensing module F is connected with power supply power module of voltage regulation B, earth terminal GND ground connection, and signal end Q is connected with master controller, (describing mode and the claim of this section of words have conflict, please adjust) signal end Q is originally connected with power end, electronic unlocking device is when near magnetic field, the hall sensing module by signal end Q ground connection of this module, it is made to become electronegative potential ground connection from noble potential, thus make master controller coupled No. 10 pins become electronegative potential from noble potential, judge for master controller, whether more new password (charging and the transmission of data communication interface module), whether charge, if the password in the MCU that electronics is unblanked is eliminated after the time limit of setting, then green light dodged for 1 second, user of service is reminded to need to carry out code fetch operation, if electronic unlocking device has password, then green light 1 second, the counter O reset in master controller, restarts timing.
Status indicator lamp module H realizes Presentation Function under the control of master controller, and it can have red and green color LED H1, is controlled by master controller, the various states of instruction electronic unlocking device.
Battery voltage acquisition module I essence is a bleeder circuit, gathers the electricity that rechargeable battery voltage is master controller and judges to provide foundation.
External charging power detecting module G, gathers the voltage of external power source, to master controller analysis, has judged whether that external power source accesses, if rechargeable battery electricity is full, then Control protection control module of charging enters work, forbids charging.
Each module can adopt the custom circuit of corresponding function, and charging and data communication interface module E can adopt three contact connector E1 further.
Electronic unlocking device of the present utility model can give anti-theft device (adopting the anti-theft device that motor is unblanked) power supply, and anti-theft device does not need power supply.When unblanking, three contacts on electronic unlocking device and being connected with the contact of three on external unit, power to external unit, send to external unit to check in password simultaneously.Such design, the Material Cost being conducive to anti-theft device reduces, processing technology simplifies, operation maintenance cost reduces.
The utility model password be stored in electronic unlocking device can set the time limit, exceed the regular hour, password loss, need to resend password to it, if electronic unlocking device is stolen, after exceeding official hour, thief can not be unblanked by electronic unlocking device again, this characteristic to a certain extent can further and, reduce the loss by theft rate of commodity.
Claims (3)
1. an electronic unlocking device; be provided with master controller, power supply power module of voltage regulation; it is characterized in that adopting rechargeable battery as power supply in power supply power module of voltage regulation; described electronic unlocking device is also provided with charging Control protection module, constant-current discharge module, charging and data communication interface module, hall sensing module, external charging power detecting module, wherein:
Described power supply power module of voltage regulation is connected with the triode of described master controller, described hall sensing module, described charging Control protection module, to they power supplies;
The power end of hall sensing module is connected with power supply power module of voltage regulation, earth terminal ground connection, and signal end is connected with master controller;
Described charging is connected with the charging and discharging power end of described external charging power detecting module with the charging and discharging power end of the live part in data communication interface module, described charging and discharging power end is connected with the power end of described charging Control protection module after voltage stabilizing, charges with being connected with master controller with the data terminal of the segment signal output in data communication interface module;
Charging and data communication interface module have the first contact, the second contact and the 3rd contact, first contact and the 3rd contact are for charging and powering to by the external unit of unblanking, second contact is for receiving password and to described external unit output password, the charge position of link and signal end of position and the described external charging power-supply device of the first contact, the second contact and the 3rd contact is corresponding, and corresponding with the position connecing electric connecting terminal and signal input part of described external unit;
Described charging Control protection module comprises charging manager, temperature monitoring module, current-limiting resistance, control end, control end is connected with master controller, it connects battery-end and is connected with the rechargeable battery of described power supply power module of voltage regulation, can realize the protective effect of rechargeable battery;
The analog to digital conversion power end of external charging power detecting module is connected with master controller, and the connection battery-end of constant-current discharge module is connected with the rechargeable battery of power supply power module of voltage regulation, is no more than the maximum current of setting when realizing rechargeable battery electric discharge.
2. a kind of electronic unlocking device as claimed in claim 1, is characterized in that, charging and data communication interface module adopt three contact connector.
3. a kind of electronic unlocking device as claimed in claim 1, is characterized in that, described electronic unlocking device is also provided with status indicator lamp module, battery voltage acquisition module, and described status indicator lamp module is connected with power supply power module of voltage regulation, by its power supply; Described status indicator lamp module is also connected with master controller, controls by it; The connection battery-end of battery voltage acquisition module is connected with the rechargeable battery in power supply power module of voltage regulation, and the analog to digital conversion signal end of described battery voltage acquisition module is connected with master controller, exports its signal gathered to master controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644156.9U CN204331858U (en) | 2014-10-31 | 2014-10-31 | A kind of electronic unlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644156.9U CN204331858U (en) | 2014-10-31 | 2014-10-31 | A kind of electronic unlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204331858U true CN204331858U (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420644156.9U Active CN204331858U (en) | 2014-10-31 | 2014-10-31 | A kind of electronic unlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204331858U (en) |
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2014
- 2014-10-31 CN CN201420644156.9U patent/CN204331858U/en active Active
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang province 310015 Moganshan Road No. two building 1418-25 Patentee after: CENTURY TECHNOLOGY CO., LTD. Address before: Hangzhou City, Zhejiang province 310015 Moganshan Road No. two building 1418-25 Patentee before: Hangzhou Century Co., Ltd. |