CN204087319U - Coded lock - Google Patents
Coded lock Download PDFInfo
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- CN204087319U CN204087319U CN201420612164.5U CN201420612164U CN204087319U CN 204087319 U CN204087319 U CN 204087319U CN 201420612164 U CN201420612164 U CN 201420612164U CN 204087319 U CN204087319 U CN 204087319U
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- random code
- cpu
- coded lock
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- parallel capacitor
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Abstract
The utility model discloses a kind of coded lock, comprise electric control lock, also comprise plane-parallel capacitor, steady power supply, current amplifier, A/D converter, electromagnetic switch, load module, wireless launcher and CPU; Described plane-parallel capacitor is arranged in the lockhole of electric control lock, and the two-plate of plane-parallel capacitor is connected with steady power supply respectively, and the two-plate of plane-parallel capacitor is also connected with current amplifier respectively; Described A/D converter is connected with current amplifier and CPU respectively; Described load module, wireless launcher are connected with CPU respectively with electromagnetic switch; Described electric control lock is connected with electromagnetic switch.The utility model improves the security of coded lock.
Description
Technical field
The utility model belongs to lockset, is specifically related to a kind of coded lock.
Background technology
Because the number of password of electronic lock is comparatively large, can with mechanical lock with the use of, and can avoid leaving potential safety hazard because key is imitated.Electronic lock only need remember one group of password, without the need to carrying metal key, eliminates the worry that people carry metal key.But electronic lock still exists a lot of deficiency, such as: existing password lock adopts fixing password to unblank mostly, and password is easy to reveal, therefore still there is certain potential safety hazard.
And for example CN 203285181 U discloses " the mobile phone identifying code smart lock based on GSM ", comprise upper PC, control treatment center, mobile phone and play multiple coded locks of security protection effect, upper PC is connected by connection with control treatment center, control treatment center communicates with wired or wireless form and coded lock, and control treatment center is for generation of random verification code; The identifying code that mobile phone is sent by gsm wireless network reception control treatment center, the identifying code that coded lock is sent by wired or wireless network reception control treatment center.The security of this smart lock is relatively better, but still there is certain potential safety hazard, and such as: after mobile phone is forgotten or lost, by this mobile phone, other people check that random code is to open coded lock.Also by copying a phonecard, receiving this random code by the mobile terminal that this phonecard is housed and opening coded lock.
Summary of the invention
The purpose of this utility model is to provide a kind of coded lock, to improve the security of coded lock.
Coded lock described in the utility model, comprises electric control lock, also comprises plane-parallel capacitor, steady power supply, current amplifier, A/D converter, electromagnetic switch, load module, wireless launcher and CPU;
Described plane-parallel capacitor is arranged in the lockhole of electric control lock, and the two-plate of plane-parallel capacitor is connected with steady power supply respectively, and the two-plate of plane-parallel capacitor is also connected with current amplifier respectively;
Described A/D converter is connected with current amplifier and CPU respectively;
Described load module, wireless launcher are connected with CPU respectively with electromagnetic switch;
Described electric control lock is connected with electromagnetic switch.
Described CPU comprises random code generation module and random code sequential transformations module, and described random code generation module is connected with A/D converter, and described random code sequential transformations module is connected with wireless launcher with random code generation module respectively.
Described CPU is Siemens SI-701, or is Philips 51 series.
Also comprise display screen, this display screen is connected with CPU.
Also comprise alarm, this alarm is connected with CPU
The model of described wireless launcher is MS_DD3.
Described load module is keyboard, or is touch-screen.
When unblanking: when there being medium to insert in lockhole, electric charge on plane-parallel capacitor can change, thus electric current changes to some extent, electric current is after current amplifier amplifies, CPU is entered again after the conversion of A/D converter, CPU generates a random code (i.e. unlocking cipher) by the random code generation module in it, and this random code sends to mobile phone terminal (or other mobile terminal) by wireless launcher again after random code sequential transformations block transforms order.Such as, the random code that random code generation module generates is " 123456 ", and through random code sequential transformations module according to after certain rule transformation, such as: inverted order, this random code is just transformed to " 654321 ", and the data that namely mobile phone terminal receives are " 654321 "; After user receives these data, just real unlocking cipher can be obtained after needing user to carry out inverse operation to these data, namely the data of user's actual needs input should be " 123456 ", but not " 654321 ", the random code that the data that user inputs by CPU and random code generation module generate is mated, if consistent, then start electromagnetic switch, electric control lock is opened, if inconsistent, then do not start electromagnetic switch (namely electric control lock cannot be opened), CPU sends signal to alarm, is reported to the police by alarm.
Coded lock described in the utility model, utilize the random code of random code generation module stochastic generation as the unlocking cipher of lock, when key or other medium insert in lockhole, lock will send this random code to the cell-phone number set in advance, people is had to carry out unlock operation with prompting, if now unlocking person is not for I, the effect of early warning can also be played; In addition, the data received due to mobile phone are not real unlocking cipher, namely be by encryption after random code, therefore user needs the rule according to presetting to be decrypted it, just can obtain real unlocking cipher, this makes it possible to make this coded lock safer, even if others has taken your mobile phone, but do not know the rule of deciphering, cannot open electric control lock yet.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of coded lock described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Coded lock as shown in Figure 1, comprises electric control lock 6, plane-parallel capacitor 1, steady power supply 2, current amplifier 3, A/D converter 4, electromagnetic switch 7, load module 9, wireless launcher 10, CPU11, display screen 8 and alarm 5; Described plane-parallel capacitor 1 is arranged in the lockhole of electric control lock 6, and the two-plate of plane-parallel capacitor 1 is connected with steady power supply 2 respectively, and the two-plate of plane-parallel capacitor 1 is also connected with current amplifier 3 respectively; Described A/D converter 4 is connected with current amplifier 3 and CPU11 respectively; Described load module 9, wireless launcher 10, alarm 5, display screen 8 are connected with CPU11 respectively with electromagnetic switch 7; Described electric control lock 6 is connected with electromagnetic switch 7.
Further, described CPU11 comprises random code generation module 11a and random code sequential transformations module 11b, described random code generation module 11a is connected with A/D converter 4, and described random code sequential transformations module 11b respectively random code generation module 11a is connected with wireless launcher 10.
CPU11 described in the utility model is Siemens SI-701, or is Philips 51 series.The model of described wireless launcher 10 is MS_DD3.Described load module 9 is keyboard, and its model is SINLIHE-3.The model of plane-parallel capacitor 1 is cPb20.The model of steady power supply 2 is why-4.The model of current amplifier 3 is LG-160K NE5532.The model of A/D converter 4 is DAC0832LCN 8.The model of electromagnetic switch 7 is 3Z-28R.Display screen 8 adopts 2.4 cun of resistive touch screens.The model of alarm 5 is for being BJ326.
When unblanking: when there being medium to insert in lockhole, electric charge on plane-parallel capacitor 1 can change, thus electric current changes to some extent, electric current is after current amplifier 3 amplifies, CPU11 is entered again after A/D converter 4 is changed, CPU11 generates a random code (i.e. unlocking cipher) by the random code generation module 11a in it, and this random code sends to mobile phone terminal (or other mobile terminal) by wireless launcher 10 again after random code sequential transformations module 11b order change.Such as, the random code that random code generation module generates is " 123456 ", through random code sequential transformations module 11b according to after certain rule transformation, such as: inverted order, this random code is just transformed to " 654321 ", and the data that namely mobile phone terminal receives are " 654321 "; After user receives these data, just real unlocking cipher can be obtained after needing user to carry out inverse operation to these data, namely the data of user's actual needs input should be " 123456 ", but not " 654321 ", the random code that the data that user inputs by CPU11 generate with random code generation module 11a is mated, if consistent, then start electromagnetic switch 7, electric control lock 6 is opened, if inconsistent, then do not start electromagnetic switch 7(and electric control lock 6 cannot be opened), CPU11 sends signal to alarm 5, is reported to the police by alarm 5.This makes it possible to make this coded lock safer, even if others has taken your mobile phone, but do not know the random code input sequence preset, also cannot open electric control lock 6.
Claims (7)
1. coded lock, comprise electric control lock (6), it is characterized in that: also comprise plane-parallel capacitor (1), steady power supply (2), current amplifier (3), A/D converter (4), electromagnetic switch (7), load module (9), wireless launcher (10) and CPU(11);
Described plane-parallel capacitor (1) is arranged in the lockhole of electric control lock (6), and the two-plate of plane-parallel capacitor (1) is connected with steady power supply (2) respectively, and the two-plate of plane-parallel capacitor (1) is also connected with current amplifier (3) respectively;
Described A/D converter (4) is connected with current amplifier (3) with CPU(11) respectively;
Described load module (9), wireless launcher (10) and electromagnetic switch (7) respectively with CPU(11) be connected;
Described electric control lock (6) is connected with electromagnetic switch (7).
2. coded lock according to claim 1, it is characterized in that: described CPU(11) comprise random code generation module (11a) and random code sequential transformations module (11b), described random code generation module (11a) is connected with A/D converter (4), and described random code sequential transformations module (11b) is connected with wireless launcher (10) with random code generation module (11a) respectively.
3. coded lock according to claim 1 and 2, is characterized in that: described CPU(11) be Siemens SI-701, or be Philips 51 series.
4. coded lock according to claim 1 and 2, is characterized in that: also comprise display screen (8), this display screen (8) and CPU(11) be connected.
5. coded lock according to claim 1 and 2, is characterized in that: also comprise alarm (5), this alarm (5) and CPU(11) be connected.
6. coded lock according to claim 1 and 2, is characterized in that: the model of described wireless launcher (10) is MS_DD3.
7. coded lock according to claim 1 and 2, is characterized in that: described load module (9) is keyboard, or is touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420612164.5U CN204087319U (en) | 2014-10-22 | 2014-10-22 | Coded lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420612164.5U CN204087319U (en) | 2014-10-22 | 2014-10-22 | Coded lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204087319U true CN204087319U (en) | 2015-01-07 |
Family
ID=52180002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420612164.5U Expired - Fee Related CN204087319U (en) | 2014-10-22 | 2014-10-22 | Coded lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204087319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719381A (en) * | 2016-03-09 | 2016-06-29 | 中兴捷维通讯技术有限责任公司 | Intelligent password lock |
-
2014
- 2014-10-22 CN CN201420612164.5U patent/CN204087319U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719381A (en) * | 2016-03-09 | 2016-06-29 | 中兴捷维通讯技术有限责任公司 | Intelligent password lock |
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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: 20150107 Termination date: 20151022 |
|
| EXPY | Termination of patent right or utility model |