CN215485337U - Fingerprint drawer lock based on titanium wire drive wire - Google Patents
Fingerprint drawer lock based on titanium wire drive wire Download PDFInfo
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- CN215485337U CN215485337U CN202121777734.2U CN202121777734U CN215485337U CN 215485337 U CN215485337 U CN 215485337U CN 202121777734 U CN202121777734 U CN 202121777734U CN 215485337 U CN215485337 U CN 215485337U
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- fingerprint
- module
- resistor
- main control
- control module
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 230000005669 field effect Effects 0.000 claims description 13
- 239000003990 capacitor Substances 0.000 claims description 9
- 230000003993 interaction Effects 0.000 claims description 3
- 238000007373 indentation Methods 0.000 abstract description 2
- 229910052719 titanium Inorganic materials 0.000 abstract description 2
- 239000010936 titanium Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Image Input (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a fingerprint drawer lock based on a titanium wire driving wire, which comprises a power module and a main circuit powered by the power module; the main circuit comprises a main control module; the fingerprint module is connected with the main control module to realize fingerprint acquisition; the titanium wire driving circuit is connected with the main control module and drives the titanium wire to act after the main control module acquires the fingerprint acquired by the fingerprint module; the fingerprint module is including fingerprint identification module, fingerprint identification module have communication data receiving terminal, communication data sending terminal and the touch interrupt signal output who links to each other with the host system respectively. The utility model has the following advantages and effects: the utility model adopts fingerprint to unlock, thus saving the trouble of taking a key; and it utilizes the principle that the titanium silk can contract under the circumstances of circular telegram to utilize the shrink to drive the spring bolt indentation, have the noiseless advantage of unblanking.
Description
Technical Field
The utility model relates to the technical field of drawer locks, in particular to a fingerprint drawer lock based on a titanium wire driving wire.
Background
Most of the most commonly used drawer locks in the market at present are mechanical locks and intelligent locks, and for the mechanical locks, corresponding keys need to be matched, and the keys are easy to lose, which brings inconvenience to normal unlocking of users; and correspond intelligent lock, it all adopts motor drive generally, and it is very big to unblank sound, influences user experience. Therefore, the existing requirements are not met, and a fingerprint drawer lock based on a titanium wire driving wire is provided for the requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fingerprint drawer lock based on a titanium wire driving wire, and aims to solve the problems in the background art.
The technical purpose of the utility model is realized by the following technical scheme: a fingerprint drawer lock based on a titanium wire driving wire comprises a power module and a main circuit powered by the power module;
the main circuit comprises:
a main control module;
the fingerprint module is connected with the main control module to realize fingerprint acquisition;
the titanium wire driving circuit is connected with the main control module and drives the titanium wire to act after the main control module acquires the fingerprint acquired by the fingerprint module;
the fingerprint module comprises a fingerprint identification module, and the fingerprint identification module is provided with a communication data receiving end, a communication data sending end and a touch interrupt signal output end which are respectively connected with the main control module; the data interaction with the main control module is realized through the communication data receiving end and the communication data sending end in the fingerprint identification module, and an interrupt signal generated after a finger is sensed can be provided for the main control module through the touch interrupt signal output end in the fingerprint identification module.
Further setting is, fingerprint identification module in:
the 2 pin is the communication data receiving end and is connected to the main control module through a connecting resistor R41, the 3 pin is the communication data sending end and is connected to the main control module through a connecting resistor R42, and the 5 pin is the touch interrupt signal output end and is connected to the main control module through a connecting resistor R43.
The further setting is that: the fingerprint module also comprises a plurality of test points, and TVS diodes for protection are connected in series between each test point and the ground.
The further setting is that: the titanium wire driving circuit comprises a resistor R5, a resistor R6, a resistor, R7, a resistor R10, a capacitor C15, a field effect transistor Q1 and a triode Q2;
one end of a resistor R7 is connected to the main control module, the other end of the resistor R7 is connected to one end of a resistor R10 and the base electrode of a triode Q2, the other end of the resistor R10 and the emitter electrode of the triode Q2 are both grounded, the collector electrode of the triode Q2 is connected to one end of a resistor R6, the other end of the resistor R6 is connected to one end of a resistor R5 and the grid electrode of a field-effect tube Q1, the other end of the resistor R5 is connected to the source electrode of the field-effect tube Q1, the other end of the resistor R6326 is connected to the power supply module at the same time, the drain electrode of the field-effect tube Q1 is connected to the positive electrode of a capacitor C15 and one end of a titanium wire, and the negative electrode of the capacitor C15 and the other end of the titanium wire are both grounded.
The further setting is that: the main control module comprises an STM32 single chip microcomputer.
The utility model has the beneficial effects that:
1. the utility model adopts fingerprint to unlock, thus saving the trouble of taking a key; and it utilizes the principle that the titanium silk can contract under the circumstances of circular telegram to utilize the shrink to drive the spring bolt indentation, have the noiseless advantage of unblanking.
2. The fingerprint identification module adopted in the utility model is GYWM033-0, the pixel is 132x112, and the fingerprint identification module has the advantages of high response speed and low power consumption; and the peripheral circuit is simple, the use number of electronic elements is effectively reduced, and the subsequent replacement and maintenance are convenient.
3. The utility model is provided with a titanium wire driving circuit, a field effect tube Q1 in the titanium wire driving circuit is used for driving a titanium wire, and then the contraction of the titanium wire drives a lock tongue to open a drawer lock; the device has the advantages of good stability, good output power and convenience in driving the titanium wire.
Drawings
FIG. 1 is a circuit diagram of a fingerprint module in an embodiment;
FIG. 2 is a circuit diagram of a titanium wire driving circuit in an embodiment;
FIG. 3 is a first circuit diagram of the main control module in the embodiment;
FIG. 4 is a second circuit diagram of the main control module in the embodiment;
FIG. 5 is a first circuit diagram of a power module according to an embodiment;
FIG. 6 is a second circuit diagram of an embodiment of a power module;
FIG. 7 is a circuit diagram of a buzzer circuit in an embodiment;
FIG. 8 is a circuit diagram of an initialization keying circuit in an embodiment.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 8, a fingerprint drawer lock based on a titanium wire driving wire comprises a power module and a main circuit powered by the power module;
the main circuit comprises:
a main control module;
the fingerprint module is connected with the main control module to realize fingerprint acquisition;
the titanium wire driving circuit is connected with the main control module and drives the titanium wire to act after the main control module acquires the fingerprint acquired by the fingerprint module;
the fingerprint module comprises a fingerprint identification module, and the fingerprint identification module is provided with a communication data receiving end, a communication data sending end and a touch interrupt signal output end which are respectively connected with the main control module; the data interaction with the main control module is realized through the communication data receiving end and the communication data sending end in the fingerprint identification module, and an interrupt signal generated after a finger is sensed can be provided for the main control module through the touch interrupt signal output end in the fingerprint identification module.
Wherein, in fingerprint identification module:
the 2 pin is the communication data receiving end and is connected to the main control module through a connecting resistor R41, the 3 pin is the communication data sending end and is connected to the main control module through a connecting resistor R42, and the 5 pin is the touch interrupt signal output end and is connected to the main control module through a connecting resistor R43. The fingerprint recognition module is embodied as P3 in fig. 1.
The fingerprint module also comprises a plurality of test points, and TVS diodes for protection are connected in series between each test point and the ground. The test points are specifically TP10, TP11, TP12, TP13, TP14 and TP1 in the attached figure 1; the TVS diodes are embodied as D13, D14, D15, D16 and D17 in fig. 1.
The titanium wire driving circuit comprises a resistor R5, a resistor R6, a resistor, R7, a resistor R10, a capacitor C15, a field effect transistor Q1 and a triode Q2;
one end of a resistor R7 is connected to the main control module, the other end of the resistor R7 is connected to one end of a resistor R10 and the base electrode of a triode Q2, the other end of the resistor R10 and the emitter electrode of the triode Q2 are both grounded, the collector electrode of the triode Q2 is connected to one end of a resistor R6, the other end of the resistor R6 is connected to one end of a resistor R5 and the grid electrode of a field-effect tube Q1, the other end of the resistor R5 is connected to the source electrode of the field-effect tube Q1, the other end of the resistor R6326 is connected to the power supply module at the same time, the drain electrode of the field-effect tube Q1 is connected to the positive electrode of a capacitor C15 and one end of a titanium wire, and the negative electrode of the capacitor C15 and the other end of the titanium wire are both grounded. The titanium wire is embodied as J4 in fig. 2.
The main control module comprises an STM32 single chip microcomputer, which is specifically U1A, U1B, U1C and U1D in figures 3 and 4.
In this embodiment, a buzzer circuit and an initialization key circuit are also provided, specifically fig. 7 and 8.
The circuit diagram disclosed in the present embodiment is detailed, and a worker in the electronic field should understand that the present embodiment is feasible.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (5)
1. A fingerprint drawer lock based on a titanium wire driving wire is characterized by comprising a power module and a main circuit powered by the power module;
the main circuit comprises:
a main control module;
the fingerprint module is connected with the main control module to realize fingerprint acquisition;
the titanium wire driving circuit is connected with the main control module and drives the titanium wire to act after the main control module acquires the fingerprint acquired by the fingerprint module;
the fingerprint module comprises a fingerprint identification module, and the fingerprint identification module is provided with a communication data receiving end, a communication data sending end and a touch interrupt signal output end which are respectively connected with the main control module; the data interaction with the main control module is realized through the communication data receiving end and the communication data sending end in the fingerprint identification module, and an interrupt signal generated after a finger is sensed can be provided for the main control module through the touch interrupt signal output end in the fingerprint identification module.
2. The fingerprint drawer lock based on titanium wire drive wire of claim 1, wherein in the fingerprint identification module:
the 2 pin is the communication data receiving end and is connected to the main control module through a connecting resistor R41, the 3 pin is the communication data sending end and is connected to the main control module through a connecting resistor R42, and the 5 pin is the touch interrupt signal output end and is connected to the main control module through a connecting resistor R43.
3. The fingerprint drawer lock based on the titanium wire driving wire is characterized in that: the fingerprint module also comprises a plurality of test points, and TVS diodes for protection are connected in series between each test point and the ground.
4. The fingerprint drawer lock based on the titanium wire driving wire is characterized in that: the titanium wire driving circuit comprises a resistor R5, a resistor R6, a resistor, R7, a resistor R10, a capacitor C15, a field effect transistor Q1 and a triode Q2;
one end of a resistor R7 is connected to the main control module, the other end of the resistor R7 is connected to one end of a resistor R10 and the base electrode of a triode Q2, the other end of the resistor R10 and the emitter electrode of the triode Q2 are both grounded, the collector electrode of the triode Q2 is connected to one end of a resistor R6, the other end of the resistor R6 is connected to one end of a resistor R5 and the grid electrode of a field-effect tube Q1, the other end of the resistor R5 is connected to the source electrode of the field-effect tube Q1, the other end of the resistor R6326 is connected to the power supply module at the same time, the drain electrode of the field-effect tube Q1 is connected to the positive electrode of a capacitor C15 and one end of a titanium wire, and the negative electrode of the capacitor C15 and the other end of the titanium wire are both grounded.
5. The fingerprint drawer lock based on the titanium wire driving wire is characterized in that: the main control module comprises an STM32 single chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121777734.2U CN215485337U (en) | 2021-07-30 | 2021-07-30 | Fingerprint drawer lock based on titanium wire drive wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121777734.2U CN215485337U (en) | 2021-07-30 | 2021-07-30 | Fingerprint drawer lock based on titanium wire drive wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215485337U true CN215485337U (en) | 2022-01-11 |
Family
ID=79754195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121777734.2U Expired - Fee Related CN215485337U (en) | 2021-07-30 | 2021-07-30 | Fingerprint drawer lock based on titanium wire drive wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215485337U (en) |
-
2021
- 2021-07-30 CN CN202121777734.2U patent/CN215485337U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220111 |