CN104134264A - Intelligent entrance guard system - Google Patents
Intelligent entrance guard system Download PDFInfo
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- CN104134264A CN104134264A CN201410385823.0A CN201410385823A CN104134264A CN 104134264 A CN104134264 A CN 104134264A CN 201410385823 A CN201410385823 A CN 201410385823A CN 104134264 A CN104134264 A CN 104134264A
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- circuit
- sensing circuit
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- fingerprint
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Abstract
The invention discloses an intelligent entrance guard system which comprises a microprocessor, as well as a level switch chip A, a level switch chip B, a fingerprint sensing circuit, a speech circuit, a drive circuit, a clock chip, a camera, a GPRS (general packet radio service) module, a matrix keyboard and a display, which are connected with the microprocessor respectively. The level switch chip A is connected with a door magneto-sensing circuit, the level switch chip B is connected with a vibration sensing circuit, the fingerprint sensing circuit is mounted on the outer surface of a key on the matrix keyboard, the drive circuit is connected with a control circuit, and the GPRS module is connected with a remote receiving device. By mounting the fingerprint sensing circuit on the outer surface of the key on the matrix keyboard, the fingerprint sensing circuit can be hidden to greatly improve the security of the intelligent entrance guard system; through the combination of a coded lock and fingerprint recognition, a door can be opened only under the condition that both the code lock and a fingerprint are right, so that trespass can be prevented effectively.
Description
Technical field
The present invention relates to safety-security area, specifically refer to a kind of intelligent access control system.
Background technology
Along with the raising of living standard, people are more and more higher for the requirement of gate control system.At present, comparatively advanced person's gate control system adopts electronic lock or Fingerprint Lock conventionally on the market.Electronic lock comes control circuit or chip operation by Password Input, thereby controls the closure of mechanical switch, complete unblank, locking task.Fingerprint Lock is a kind of intelligent lock of somatic fingerprint as identification carrier and means of take.Although both have advantages of separately, still have corresponding weak point.During electronic lock input password, if there is people on side or does not block completely, password is very easily stolen.Fingerprint Lock scanning of a surface area is large and be plastic material, easily leaves fingerprint trace, is very easily replicated.In addition the comparison finger print information of Fingerprint Lock is in lockset, once lockset by malicious sabotage, is easy to steal finger print information, and everyone biological characteristic is exclusive, once stolen, there is potential safety hazard.Because coded lock and Fingerprint Lock all have its weak point, thereby its security is not very high.The invention provides a kind of safe intelligent access control system.
Summary of the invention
The object of the present invention is to provide a kind of safe intelligent access control system.
The present invention is achieved through the following technical solutions:
Intelligent access control system, comprise microprocessor, and the level transferring chip A being connected with microprocessor respectively, level transferring chip B, fingerprint sensing circuit, sound circuit, driving circuit, clock chip, camera, GPRS module, matrix keyboard, display, level transferring chip A is connected with door magnetic sensing circuit, level transferring chip B is connected with vibrating sensing circuit, fingerprint sensing circuit is arranged on the outside surface of matrix keyboard button, driving circuit is connected with control circuit, and GPRS module is connected with long-range receiving trap.
In the present invention, under normal circumstances, level transferring chip A and the equal input low level of level transferring chip B enter in microprocessor.Vibrating sensing circuit is arranged on the shelter on entry door, and when it detects Men Shangyou vibration, level transferring chip A input high level enters in microprocessor, if vibration continues to surpass 2min, microprocessor judges is illegal invasion.Door magnetic sensing circuit is arranged on entry door, and when door is opened beyond 2cm, level transferring chip B input high level enters in microprocessor, and microprocessor judges is illegal invasion.By display, microprocessor and matrix keyboard, can form human-computer interaction interface.By human-computer interaction interface and fingerprint sensing circuit, can realize the work such as setting, Password Input and fingerprint recognition of password.When Password Input mistake is more than three times or during the correct but fingerprint recognition mistake of Password Input, microprocessor judges is illegal invasion.When Password Input is correct and fingerprint is errorless, microprocessor judges is normal door, and microprocessor is by driving circuit Drive and Control Circuit, and control circuit is opened gate.When microprocessor judges is illegal invasion, sound circuit is play voice, carries out voice warning; Microprocessor input signal is to camera, and camera starts to take pictures, and the photo of shooting is transferred on long-range receiving trap by microprocessor and GPRS module.
In order better to realize the present invention, described sound circuit is connected with voice amplifying circuit.In actual use, many times the voice of sound circuit are also unintelligible, and sound is very little.By access voice amplifying circuit, can promote the sharpness of voice, and increase voice, guarantee the safe and reliable execution of voice warning.
In order better to realize the present invention, described camera is connected by serial line interface with microprocessor.One one ground order of serial line interface data transmits, and communication line is simple, as long as a pair of transmission line just can be realized two-way communication (can directly utilize telephone wire as transmission line), greatly reduces cost.
In order better to realize the present invention, on described microprocessor, be connected to EEPROM (Electrically Erasable Programmable Read Only Memo).EEPROM (Electrically Erasable Programmable Read Only Memo) is the storage chip that after a kind of power down, data are not lost.By coded lock password is stored in EEPROM (Electrically Erasable Programmable Read Only Memo), can guarantee that intelligent access control system can not cause password loss because of power-off.
In order better to realize the present invention, described fingerprint sensing circuit is capacitive fingerprint sensing device chip FPS200.FPS20O capacitive fingerprint sensing device is integrated 256 * 300 capacitors on the surface of 1.28cm * 1.50cm, and outside surface is insulation course, in the time of above user's finger is placed on, consists of the another side of capacitor array skin.The electric capacity of capacitor is because the distance between conductor reduces, and ridge (near) and paddy (far away) are with respect to the distance between another utmost point.By the electric capacity difference reading after discharging and recharging, obtain fingerprint image.FPS200 provides the interface being connected with 8-bit microprocessor, and built-in 8 high-speed a/d converters, can directly export 8 gray level images.Sensor adopts standard CMOS technology, and the image size of obtaining is 256 * 300, and resolution is 500DPl.Each row of FPS200 sensor have two sample-hold circuits, a voltage that is used for storing the front electric capacity of electric discharge two ends, and another is used for storing the voltage at the rear electric capacity of electric discharge two ends.The difference of two sample-hold circuits can be measured the variation of electric capacity.First the data in nominated bank's high order address register (RAH) and row low step address register (RAL) are to specify row to be read, again specify columns address register (CAL) thus starting row catches, wait for a period of time after (row capture time), read continuously control register (CTRLA), obtain certain any fingerprint sampled value.Run through and can automatically trigger next time A/D conversion, write RAH after running through a line again, RAL is to read next line, until last pixel.
In order better to realize the present invention, described long-range receiving trap is mobile phone.Mobile phone is a kind of important tool of the modern life.At present, mobile phone has obtained generally using in China, and people carry mobile phone conventionally at any time.Due to this specific character that mobile phone carries at any time, user can obtain the data of GPRS module transmission comparatively efficiently, knows in time the illegal invasion that may exist, thus and alarm.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the present invention is by being arranged on fingerprint sensing circuit on the outside surface of matrix keyboard button, fingerprint recognition circuit can be stashed, outside looks just as common coded lock, when having people to unblank by illegally getting password, video camera will be taken pictures, and photographic intelligence will send on long-range receiving trap immediately by GPRS module, and user can report to the police according to photographic intelligence, eliminate in advance the theft that may occur, promoted greatly the security of intelligent access control system;
(2) the present invention combines with fingerprint recognition by coded lock, only, in the situation that password and fingerprint are all correct, could realize the unlatching at gate, has effectively prevented illegal invasion;
(3) the present invention is easy and simple to handle, safe and reliable, can meet the theft-proof requirement of people to gate control system.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1:
Intelligent access control system, comprise microprocessor, and the level transferring chip A being connected with microprocessor respectively, level transferring chip B, fingerprint sensing circuit, sound circuit, driving circuit, clock chip, camera, GPRS module, matrix keyboard, display, level transferring chip A is connected with door magnetic sensing circuit, level transferring chip B is connected with vibrating sensing circuit, fingerprint sensing circuit is arranged on the outside surface of matrix keyboard button, driving circuit is connected with control circuit, and GPRS module is connected with long-range receiving trap.
In the present embodiment, under normal circumstances, level transferring chip A and the equal input low level of level transferring chip B enter in microprocessor.Vibrating sensing circuit is arranged on the shelter on entry door, and when it detects Men Shangyou vibration, level transferring chip A input high level enters in microprocessor, if vibration continues to surpass 2min, microprocessor judges is illegal invasion.Door magnetic sensing circuit is arranged on entry door, and when door is opened beyond 2cm, level transferring chip B input high level enters in microprocessor, and microprocessor judges is illegal invasion.By display, microprocessor and matrix keyboard, can form human-computer interaction interface.By human-computer interaction interface and fingerprint sensing circuit, can realize the work such as setting, Password Input and fingerprint recognition of password.When Password Input mistake is more than three times or during the correct but fingerprint recognition mistake of Password Input, microprocessor judges is illegal invasion.When Password Input is correct and fingerprint is errorless, microprocessor judges is normal door, and microprocessor is by driving circuit Drive and Control Circuit, and control circuit is opened gate.When microprocessor judges is illegal invasion, sound circuit is play voice, carries out voice warning; Microprocessor input signal is to camera, and camera starts to take pictures, and the photo of shooting is transferred on long-range receiving trap by microprocessor and GPRS module.
To better implement the present invention, described sound circuit is connected with voice amplifying circuit.In actual use, many times the voice of sound circuit are also unintelligible, and sound is very little.By access voice amplifying circuit, can promote the sharpness of voice, and increase voice, guarantee the safe and reliable execution of voice warning.
To better implement the present invention, described camera is connected by serial line interface with microprocessor.One one ground order of serial line interface data transmits, and communication line is simple, as long as a pair of transmission line just can be realized two-way communication (can directly utilize telephone wire as transmission line), greatly reduces cost.
To better implement the present invention, on described microprocessor, be connected to EEPROM (Electrically Erasable Programmable Read Only Memo).EEPROM (Electrically Erasable Programmable Read Only Memo) is the storage chip that after a kind of power down, data are not lost.By coded lock password is stored in EEPROM (Electrically Erasable Programmable Read Only Memo), can guarantee that intelligent access control system can not cause password loss because of power-off.
To better implement the present invention, described fingerprint sensing circuit is capacitive fingerprint sensing device chip FPS200.FPS20O capacitive fingerprint sensing device is integrated 256 * 300 capacitors on the surface of 1.28cm * 1.50cm, and outside surface is insulation course, in the time of above user's finger is placed on, consists of the another side of capacitor array skin.The electric capacity of capacitor is because the distance between conductor reduces, and ridge (near) and paddy (far away) are with respect to the distance between another utmost point.By the electric capacity difference reading after discharging and recharging, obtain fingerprint image.FPS200 provides the interface being connected with 8-bit microprocessor, and built-in 8 high-speed a/d converters, can directly export 8 gray level images.Sensor adopts standard CMOS technology, and the image size of obtaining is 256 * 300, and resolution is 500DPl.Each row of FPS200 sensor have two sample-hold circuits, a voltage that is used for storing the front electric capacity of electric discharge two ends, and another is used for storing the voltage at the rear electric capacity of electric discharge two ends.The difference of two sample-hold circuits can be measured the variation of electric capacity.First the data in nominated bank's high order address register (RAH) and row low step address register (RAL) are to specify row to be read, again specify columns address register (CAL) thus starting row catches, wait for a period of time after (row capture time), read continuously control register (CTRLA), obtain certain any fingerprint sampled value.Run through and can automatically trigger next time A/D conversion, write RAH after running through a line again, RAL is to read next line, until last pixel.
To better implement the present invention, described long-range receiving trap is mobile phone.Mobile phone is a kind of important tool of the modern life.At present, mobile phone has obtained generally using in China, and people carry mobile phone conventionally at any time.Due to this specific character that mobile phone carries at any time, user can obtain the data of GPRS module transmission comparatively efficiently, knows in time the illegal invasion that may exist, thus and alarm.
The above, be only preferred embodiment of the present invention, not the present invention done to any pro forma restriction, and any simple modification, equivalent variations that every foundation technical spirit of the present invention is done above embodiment, within all falling into protection scope of the present invention.
Claims (6)
1. intelligent access control system, it is characterized in that: comprise microprocessor, and the level transferring chip A being connected with microprocessor respectively, level transferring chip B, fingerprint sensing circuit, sound circuit, driving circuit, clock chip, camera, GPRS module, matrix keyboard, display, described level transferring chip A is connected with door magnetic sensing circuit, described level transferring chip B is connected with vibrating sensing circuit, described fingerprint sensing circuit is arranged on the outside surface of matrix keyboard button, described driving circuit is connected with control circuit, described GPRS module is connected with long-range receiving trap.
2. intelligent access control system according to claim 1, is characterized in that: described sound circuit is connected with voice amplifying circuit.
3. intelligent access control system according to claim 1, is characterized in that: described camera is connected by serial line interface with microprocessor.
4. intelligent access control system according to claim 1, is characterized in that: on described microprocessor, be connected to EEPROM (Electrically Erasable Programmable Read Only Memo).
5. intelligent access control system according to claim 1, is characterized in that: described fingerprint sensing circuit is capacitive fingerprint sensing device chip FPS200.
6. intelligent access control system according to claim 1, is characterized in that: described long-range receiving trap is mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410385823.0A CN104134264A (en) | 2014-08-07 | 2014-08-07 | Intelligent entrance guard system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410385823.0A CN104134264A (en) | 2014-08-07 | 2014-08-07 | Intelligent entrance guard system |
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|---|---|
| CN104134264A true CN104134264A (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410385823.0A Pending CN104134264A (en) | 2014-08-07 | 2014-08-07 | Intelligent entrance guard system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105096434A (en) * | 2015-09-23 | 2015-11-25 | 成都乐维斯科技有限公司 | Automatic intelligent anti-theft door device |
| CN105608779A (en) * | 2016-03-02 | 2016-05-25 | 广西师范大学 | Electronic code lock system |
| CN111768525A (en) * | 2020-06-30 | 2020-10-13 | 李尤海 | Intelligent fingerprint lock with hidden fingerprint collector |
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| CN111768525A (en) * | 2020-06-30 | 2020-10-13 | 李尤海 | Intelligent fingerprint lock with hidden fingerprint collector |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141105 |
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| RJ01 | Rejection of invention patent application after publication |