CN205920525U - Electronic lock system - Google Patents
Electronic lock system Download PDFInfo
- Publication number
- CN205920525U CN205920525U CN201620686476.XU CN201620686476U CN205920525U CN 205920525 U CN205920525 U CN 205920525U CN 201620686476 U CN201620686476 U CN 201620686476U CN 205920525 U CN205920525 U CN 205920525U
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- CN
- China
- Prior art keywords
- microcontroller
- diode
- lock system
- power supply
- door lock
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- Expired - Fee Related
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- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 description 5
- 238000013475 authorization Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000013316 zoning Methods 0.000 description 1
Abstract
The utility model relates to an electronic lock system belongs to entrance guard technical field. Controlling means in lock body, lock shell and embedding lock shell, motor, motor driver module, power supply switching circuit, built -in battery, emergency power source interface, code keypad, TM read head and the microcontroller of controlling means in the embedding lock body. The utility model discloses an electronic lock system provides one kind and has had multiple mode of opening and multi -circuit power supplying mode electronic lock system, practicality height, a safety and stability and with low costs based on the TM card.
Description
Technical field
This utility model is related to a kind of electronic door lock system, belongs to gate inhibition's technical field.
Background technology
Electronic lock is often easy to use than mechanical door lock and safe, and at present, electronic door lock system has obtained
Extensive application.But existing electronic door lock system mainly has RF-wise and the electronic lock of fingerprint mode, and often price is high,
Domestic consumer is difficult to bear.Using tm card mode, its circuit is relatively easy, with low cost, is also commonly used for the one of gate control system
Plant power mirror mode.Inventor finds during realizing this utility model, and existing tm electronic lock often has enabling side
The single situation of formula that is to say, that often using single tm card No. id carry out the power mirror that opens the door, if tm card mode break down or
After forgetting band card, there is no alternative door-opening mode, lead to ease for use and reliability not high.Meanwhile, the power supply of existing electronic lock
Mode is also more single, is generally powered using battery, and work as that battery electric quantity is low and user could not change battery in time it is possible to
May result in situation about cannot open the door, also make the reliability of system not high.In addition, the electronic lock that prior art provides, past
To authorize enabling key toward using management key mode, during authorized key, repeatedly will touch card, and key management also just becomes multiple
Miscellaneous, use also inconvenient.
Content of the invention
The technical problems to be solved in the utility model is to provide a kind of electronic door lock system, using the teaching of the invention it is possible to provide multiple power supply modes
With multiple door-opening modes, and using simple, convenient.
The technical solution of the utility model is: a kind of electronic door lock system, including in lock body, lock housing and embedded lock housing
Control device, described control device include motor in embedded lock body, motor drive module, power switching circuit, internal battery,
Emergency power supply interface, code keypad, tm read head and microcontroller；Described tm read head is connected with microcontroller, for reading tm
Card id；Described code keypad is connected with microcontroller, for obtaining user input password；Described internal battery and emergency power supply
Interface is connected with microcontroller by power switching circuit, powers to described microcontroller and control device；Described microcontroller
By motor drive module and motor connection, for, after checking tm card id or password are effective, motor rotates, so that lock
Body be in can opening, and through specifying time threshold after invert motor, so that lock body is in can not opening.
Described electronic door lock system also includes: 220v AC power interface, and described 220v AC power interface passes through power supply
Change-over circuit is converted to 220v alternating current power supply after direct current, is supplied to described microcontroller and control device by power switching circuit
Electricity.
Described electronic door lock system also includes: low-voltage detection circuit, described low-voltage detection circuit and microcontroller
A/d conversion mouth connects, for providing, to microcontroller, the external voltage value detecting, to calculate voltage value, in power supply electricity
When pressure is less than specified threshold, send alarm.
Described microcontroller has been also connected with mandate button, for switching normal condition and licensing status, when being in mandate shape
During state, read effective tm card id or password and be stored in microcontroller onboard flash memory.
Described microcontroller has been also connected with SR, for microcontroller is carried out with the operation that resets.
Described microcontroller has been also connected with buzzer, led display lamp, is used for sending various operations or alarm.
Described power switching circuit is made up of three diodes, i.e. the first diode, the second diode and the 3rd diode,
Internal battery outfan is connected with the positive pole of the first diode, and the positive pole of the outfan of emergency power supply interface and the second diode is even
Connect, internal battery outfan is connected with the positive pole of the first diode, the DC output end of 220v AC power interface and the three or two
The positive pole of pole pipe connects；The negative pole of the first diode, the second diode and the 3rd diode is all connected to+5v outfan.
Described low-voltage detection circuit is the potentiometer being made up of resistance and diode, and diode cathode ground connection positive pole connects electricity
Resistance, resistance another termination+5v, diode cathode is power switching circuit output end, and power switching circuit output end is connected to micro-
The a/d conversion mouth of controller.
Described emergency power supply interface adopts miniusb interface.
The beneficial effects of the utility model are: disclose a kind of electronic door lock system, there is provided a kind of tool based on tm card
There are multiple door-opening modes and a multiple-way supply mode electronic door lock system, and effectively increase that the reliability of system is high and availability,
Safety and stability and cost performance is high.
Brief description
Fig. 1 is the hardware structure figure of this utility model embodiment；
Fig. 2 is that the 220v alternating current power supply of this utility model embodiment turns the circuit diagram of 6v DC source；
Fig. 3 is the power switching circuit diagram of this utility model embodiment；
Fig. 4 is the low-voltage detection circuit figure of this utility model embodiment.
Specific embodiment
With reference to the accompanying drawings and detailed description, the utility model is described in further detail.
As shown in figure 1, the hardware structure figure for a kind of electronic door lock system of this utility model.This system includes lock body 1, lock
Control device in shell and embedded lock housing, described control device includes motor 2 in embedded lock body, motor drive module 3, supplies
Electrical switching circuit 4, internal battery 5, emergency power supply interface 6, microcontroller 8, code keypad 11 and tm read head 12.
Specifically, described tm read head 12 is connected with microcontroller 8, and for reading tm card id, tm card adopts dallas public
Department's ds1990 card, microcontroller 8 can adopt stc15w401as.Described code keypad 11 is connected with microcontroller 8, for obtaining
User input password.Described microcontroller 8 has been also connected with mandate button 13, for switching normal condition and licensing status, works as place
When licensing status, read effective tm card id or password and be stored in the onboard flash memory of microcontroller 8.
Generally, after electricity on microcontroller 8, default conditions are normal condition, and when there being mandate button to press, state switches to
Licensing status, now user with tm card, tm read head can be touched after card, carry out Authorized operation, or input password authorization Password Operations.
Password after mandate and tm card id are stored in the built-in flash memory of microcontroller 8, in described microcontroller onboard flash memory,
At least divide two memory areas, i.e. password storage region and tm card id memory area, be respectively used to store user cipher
With tm card id.Essentially, tm card id and password are different under normal circumstances, can be stored in same area completely
Domain, but zoning, contribute to quickly searching.After the completion of authorizing, then press mandate button, then state switches to normal shape
State.For safety, generally authorize button to be arranged on back cover, or be arranged on the printed circuit board (PCB) of control device.
Described microcontroller 8 has been also connected with buzzer 10, led display lamp 9, is used for sending various operations or alarm.
In licensing process, Authorized operation is carried out come instruction user by acousto-optic hint.Generally led display lamp 9 adopts double-colored LED lamp,
So combined by acousto-optic, user can be carried out with the operation indicating of various close friends.
Described internal battery 5 and emergency power supply interface 6 are connected with microcontroller 8, to microcontroller by power switching circuit 4
Device 8 and control device are powered, and wherein, emergency power supply interface 6, using the miniusb interface comparing popularization, is often easy to charger baby etc.
5v power supply accesses, and is user-friendly to.System also includes 220v AC power interface 7, described 220v alternating current power supply
Interface 7 is converted to 220v alternating current power supply after direct current by power-switching circuit, then by power switching circuit 4 to described micro-control
Device 8 processed and control device are powered.
As shown in Fig. 2 the 220v alternating current of 220v AC power interface 7 input is 11v through transformator tr7 blood pressure lowering, then
Bridge rectifier through being made up of diode d71, d72, d73, d74 is converted to 11v DC voltage, afterwards, then passes through three
Export 6v voltage after the Voltage stabilizing module lm7806 of end and be connected to power switching circuit 4.When installing electronic lock, conditions permit
In the case of, such as it is readily incorporated alternating current power supply in door lock, interface can be exchanged by being directly accessed 220v, it is to avoid need to change electricity
The trouble that pond is brought.
As shown in figure 3, described power switching circuit 4 is made up of three diodes, i.e. the first diode d41, the two or two pole
Pipe d42 and the 3rd diode d43, internal battery outfan is connected with the positive pole of the first diode d41, emergency power supply interface defeated
Go out end to be connected with the positive pole of the second diode d42, internal battery outfan is connected with the positive pole of the first diode d41,220v hands over
The DC output end of stream power interface is connected with the positive pole of the 3rd diode d43；First diode d41, the second diode d42 and
The negative pole of the 3rd diode d43 is all connected to+5v outfan.Internal battery 5 input voltage is vin1, emergency power supply interface 6 defeated
Entering voltage is vin2, 220v alternating current power supply be converted to direct current input vin3, it is normally set up vin1For 5.5v, vin2 is 5v, vin3For
6v.When vin3 has input voltage, characteristic according to diode is it can be ensured that vin1、vin2Cut-off, and only by vin3Power supply；?
vin1, vin3No-voltage input or voltage are relatively low, when leading to system cisco unity malfunction, can pass through the emergency power supply such as charger baby by
Emergency power supply interface 6 is powered to described microcontroller 8 and control device.The present embodiment adopted power switching circuit is simply real
With.
Described microcontroller 8 has been also connected with SR 14, for microcontroller 8 is carried out with the operation that resets.In microcontroller
It is likely to occur various exceptions in device 8 running, therefore, in order to improve stability it is necessary to provide SR 14, work as micro-control
When device 8 processed abnormal, resetted by SR 14, restarted microcontroller 8.Reset circuit can adopt stc official skill
The standard reset circuit that art handbook provides.
Described microcontroller 8 is connected with motor 2 by motor drive module 3, rotates for motor 2.Wherein, motor
Drive module adopts l9110 motor drive ic in the present embodiment.
As shown in figure 4, described low-voltage detection circuit 15 is the potentiometer being made up of resistance r15 and diode d15, two poles
Pipe minus earth, positive pole connecting resistance r15, resistance r15 another termination+5v, diode cathode is power switching circuit output end vad,
Power switching circuit output end vadIt is connected to the a/d conversion mouth of microcontroller 8.In the present embodiment, microcontroller 8 adopts 8
A/d changes, and microcontroller 8 is with+5v end supply voltage v+5vOn the basis of voltage carry out ad conversion, obtain an a/d conversion value n, by
Often fixing under certain electric current, generally 0.6 ~ 0.7v in the magnitude of voltage of diode, according to practical situation 0.6 ~
A fixed value is taken as threshold voltage value v of diode between 0.7vad, according to formula v+5v=vad* 256/ n, can substantially estimate
v+5vActual voltage value, work as v+5vWhen actual voltage value is less than specified threshold, such as 4.9v, microcontroller 8 drives buzzer 10
Send low-voltage alarm, to point out user to change battery in time.If precision to be improved, then a/d conversion can adopt 10
Position a/d conversion.
It is necessary first to authorize to tm card or password in practical application, and by authorize tm card id or password storage
In the onboard flash memory of microcontroller 8.After authorization, after touching card or input password, microcontroller 8 determines whether tm card id
Or the effectiveness of password, basic determination methods are: microcontroller 8 reads tm card id or password, if password is then in micro-control
Search in the password storage region of the onboard flash memory of device 8 processed, if tm card id, then in the onboard flash memory of microcontroller 8
Search in tm card id memory area, if storing this tm card id or password, microcontroller in the onboard flash memory of microcontroller 8
Device 8 is judged as effective tm card id or password, and to effective tm card id or password, microcontroller 8 passes through Motor drive mould
Block 3 motor 2 rotates, make lock body 1 be in can opening, now, user's turning handle can open the door.When interval is specified
Between after threshold value, such as 2s, microcontroller 8 motor 2 inverts, and so that lock body 1 is in can not opening.
Above in association with accompanying drawing, specific embodiment of the present utility model is explained in detail, but this utility model is not
It is limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also be without departing from this practicality
On the premise of new objective, various changes can be made.
Claims (9)
1. a kind of electronic door lock system, including the control device in lock body, lock housing and embedded lock housing it is characterised in that: described
Control device include motor in embedded lock body, motor drive module, power switching circuit, internal battery, emergency power supply interface,
Code keypad, tm read head and microcontroller；Described tm read head is connected with microcontroller, for reading tm card id；Described close
Code key disk is connected with microcontroller, for obtaining user input password；Described internal battery and emergency power supply interface pass through power supply
Switching circuit is connected with microcontroller, powers to described microcontroller and control device；Described microcontroller passes through Motor drive
Module and motor connection, for, after checking tm card id or password are effective, motor rotates, so that lock body is in can open
State, and inverting motor after specifying time threshold, so that lock body is in can not opening.
2. electronic door lock system according to claim 1 it is characterised in that: also include 220v AC power interface, described
220v AC power interface is converted to 220v alternating current power supply after direct current by power-switching circuit, by power switching circuit to
Described microcontroller and control device are powered.
3. electronic door lock system according to claim 1 it is characterised in that: also include low-voltage detection circuit, described low
Voltage detecting circuit is connected with the a/d conversion mouth of microcontroller, for providing, to microcontroller, the external voltage value detecting, with
Calculate voltage value, when supply voltage is less than specified threshold, send alarm.
4. electronic door lock system according to claim 1 it is characterised in that: described microcontroller be also connected with authorize by
Button, for switching normal condition and licensing status, when being in licensing status, reads effective tm card id or password and is stored in
In microcontroller onboard flash memory.
5. electronic door lock system according to claim 1 it is characterised in that: described microcontroller be also connected with reset by
Button, for carrying out the operation that resets to microcontroller.
6. electronic door lock system according to claim 1 it is characterised in that: described microcontroller be also connected with buzzer,
Led display lamp 9, is used for sending various operations or alarm.
7. the electronic door lock system according to claims 1 or 2 it is characterised in that: described power switching circuit is by three
Diode is constituted, i.e. the first diode, the second diode and the 3rd diode, and internal battery outfan and the first diode are just
Pole connects, and the outfan of emergency power supply interface is connected with the positive pole of the second diode, internal battery outfan and the first diode
Positive pole connect, the DC output end of 220v AC power interface is connected with the positive pole of the 3rd diode；First diode, second
The negative pole of diode and the 3rd diode is all connected to+5v outfan.
8. electronic door lock system according to claim 3 it is characterised in that: described low-voltage detection circuit be by resistance and
The potentiometer that diode is constituted, diode cathode is grounded positive pole connecting resistance, resistance another termination+5v, and diode cathode is power supply
Switching circuit outfan, power switching circuit output end is connected to the a/d conversion mouth of microcontroller.
9. electronic door lock system according to claim 1 it is characterised in that: described emergency power supply interface adopts miniusb
Interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620686476.XU CN205920525U (en) | 2016-07-04 | 2016-07-04 | Electronic lock system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620686476.XU CN205920525U (en) | 2016-07-04 | 2016-07-04 | Electronic lock system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205920525U true CN205920525U (en) | 2017-02-01 |
Family
ID=57874610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620686476.XU Expired - Fee Related CN205920525U (en) | 2016-07-04 | 2016-07-04 | Electronic lock system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205920525U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106204831A (en) * | 2016-07-04 | 2016-12-07 | 昆明理工大学 | A kind of electronic door lock system |
| CN111321948A (en) * | 2020-02-21 | 2020-06-23 | 德施曼机电（中国）有限公司 | Intelligent lock with reset function |
-
2016
- 2016-07-04 CN CN201620686476.XU patent/CN205920525U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106204831A (en) * | 2016-07-04 | 2016-12-07 | 昆明理工大学 | A kind of electronic door lock system |
| CN111321948A (en) * | 2020-02-21 | 2020-06-23 | 德施曼机电（中国）有限公司 | Intelligent lock with reset function |
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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: 20170201 Termination date: 20180704 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |