CN2760856Y - Triggering and electricity-adding device of fingerprint sensor - Google Patents
Triggering and electricity-adding device of fingerprint sensor Download PDFInfo
- Publication number
- CN2760856Y CN2760856Y CN 200520053430 CN200520053430U CN2760856Y CN 2760856 Y CN2760856 Y CN 2760856Y CN 200520053430 CN200520053430 CN 200520053430 CN 200520053430 U CN200520053430 U CN 200520053430U CN 2760856 Y CN2760856 Y CN 2760856Y
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- China
- Prior art keywords
- fingerprint sensor
- triggering
- fingerprint
- induction electrode
- power
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Abstract
The utility model relates to a technical field used for a fingerprint door lock and concretely relates to a triggering and power-up device of a fingerprint sensor. The utility model is characterized in that the circumambience of a fingerprint sensor is embedded with a metallic induction electrode connected with the input terminal of an induction triggering circuit. The metallic induction electrode is insulated with the housing of the entire device and a work edge glass or a working face of the fingerprint sensor. The metallic induction electrode is in an annular shape or a non-annular shape. The device is the same as a common mechanical switch which has the power supply consumption that is close to zero. The device can also efficiently avoid the wobbling of the mechanical switch, the bad contact, etc. In the operation of the fingerprint verification, the triggering and power-up device of a fingerprint sensor makes use of the characteristic of the human body induction field to make the induction triggering circuit output a switching signal. The fingerprint verification operation and the triggering and power-up process are combined together organically, and the entire reliability of the circuit is raised. The operation is more convenient and quicker. The triggering and power-up device of a fingerprint sensor is suitable for various fingerprint locksets of low electric power consumption type, which adopt battery power supply.
Description
Technical field
The utility model relates to a kind of technical field that is used for fingerprint gate lock, is specifically related to the fingerprint sensor triggering and adds electric installation.
Background technology
In adopting battery powered low power consumption type fingerprint gate lock tool, in order to reduce the battery power consumption effectively, need make its inner control circuit be in resting state at one's leisure, again it is waken up when treating to work.Traditional way is to adopt several methods such as mechanical switch triggering, password key triggering, the detection of active infrared line and the induction of passive infrared line to realize waking up control circuit.But the active infrared line detects and the induction of passive infrared line can the extra burden that increases battery, and is unfavorable to extending battery life, and password key triggers and makes complex operation and shake and loose contact that mechanical switch triggers can make work generation unreliability.
Summary of the invention
The purpose of this utility model is for overcoming above-mentioned defective, provides a kind of and is used for fingerprint sensor that intelligence locks and triggers and add electric installation.
Realize that the technical scheme that the utility model purpose is taked is: fingerprint sensor triggers and adds electric installation, it is characterized in that: be embedded with the metal induction electrode around fingerprint sensor, the metal induction electrode is connected with the input of sensor trigger circuit;
The work prism or the working face of the shell of described metal induction electrode and whole device and fingerprint sensor are insulation;
Described metal induction electrode in the form of a ring;
Described metal induction electrode is non-annularity.
Operation principle is to add an annular metal induction electrode that insulate with shell and fingerprint sensor around the fingerprint sensor work prism of Fingerprint Lock, and this annular metal induction electrode links to each other with the sensor trigger circuit input by lead.Therefore when the user press...withes one's finger in fingerprint sensor work prism facets, the skin of finger contacts with annular metal induction electrode all around, the variation of human body sensing electric field makes switching signal of sensor trigger circuit output, finishes the wake-up to the fingerprint gate lock control circuit.
The utility model has the advantages that: this device is not only the same with the standard machinery switch to have and approaches zero power supply power consumption, can also avoid defect such as the shake of mechanical switch and loose contact effectively, has improved the global reliability of circuit; In fingerprint verification operation, utilize the human body sensing Electric Field Characteristics, make switching signal of sensor trigger circuit output.Make fingerprint verification operation and triggering add electric process and organically merge, operate more simple and efficient.Be applicable to the battery powered low power consumption type of various employings fingerprint lockset.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is a circuit block diagram of the present utility model.
Among the figure: 1-shell 2-work prism 3-metal induction electrode
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified: as depicted in figs. 1 and 2, fingerprint sensor triggers and adds electric installation, be embedded with metal induction electrode 3 around the work prism 2 of fingerprint sensor, metal induction electrode 3 links to each other with the input of sensor trigger circuit; The shell 1 of metal induction electrode and whole device and the work prism 2 and the working face of fingerprint sensor are insulation; Metal induction electrode 3 in the form of a ring.
Claims (4)
1, fingerprint sensor triggers and adds electric installation, it is characterized in that: be embedded with the metal induction electrode around fingerprint sensor, the metal induction electrode is connected with the input of sensor trigger circuit.
2, fingerprint sensor according to claim 1 triggers and adds electric installation, and it is characterized in that: the work prism or the working face of the shell of metal induction electrode and whole device and fingerprint sensor are insulation.
3, fingerprint sensor according to claim 1 triggers and adds electric installation, and it is characterized in that: described metal induction electrode in the form of a ring.
4, fingerprint sensor according to claim 1 triggers and adds electric installation, and it is characterized in that: described metal induction electrode is non-annularity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520053430 CN2760856Y (en) | 2005-01-07 | 2005-01-07 | Triggering and electricity-adding device of fingerprint sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520053430 CN2760856Y (en) | 2005-01-07 | 2005-01-07 | Triggering and electricity-adding device of fingerprint sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2760856Y true CN2760856Y (en) | 2006-02-22 |
Family
ID=36083053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520053430 Expired - Fee Related CN2760856Y (en) | 2005-01-07 | 2005-01-07 | Triggering and electricity-adding device of fingerprint sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2760856Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011000167A1 (en) * | 2009-07-03 | 2011-01-06 | Sheng Yongxiang | Apparatus and method for activating door lock |
| CN105160335B (en) * | 2015-08-20 | 2019-01-01 | 佛山市汇泰龙智能科技有限公司 | A kind of touch powers on fingerprint read head component and fingerprint recognition system |
-
2005
- 2005-01-07 CN CN 200520053430 patent/CN2760856Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011000167A1 (en) * | 2009-07-03 | 2011-01-06 | Sheng Yongxiang | Apparatus and method for activating door lock |
| CN102483801A (en) * | 2009-07-03 | 2012-05-30 | 深圳市永盛世纪科技有限公司 | Apparatus and method for activating door lock |
| CN105160335B (en) * | 2015-08-20 | 2019-01-01 | 佛山市汇泰龙智能科技有限公司 | A kind of touch powers on fingerprint read head component and fingerprint recognition system |
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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: 20060222 Termination date: 20100208 |