CN109215253A - A kind of method and control circuit applied to the control of self-service device door - Google Patents
A kind of method and control circuit applied to the control of self-service device door Download PDFInfo
- Publication number
- CN109215253A CN109215253A CN201811259002.7A CN201811259002A CN109215253A CN 109215253 A CN109215253 A CN 109215253A CN 201811259002 A CN201811259002 A CN 201811259002A CN 109215253 A CN109215253 A CN 109215253A
- Authority
- CN
- China
- Prior art keywords
- electromagnetic lock
- lock
- resistance
- chip
- electromagnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F19/00—Complete banking systems; Coded card-freed arrangements adapted for dispensing or receiving monies or the like and posting such transactions to existing accounts, e.g. automatic teller machines
- G07F19/20—Automatic teller machines [ATMs]
- G07F19/201—Accessories of ATMs
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/02—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F19/00—Complete banking systems; Coded card-freed arrangements adapted for dispensing or receiving monies or the like and posting such transactions to existing accounts, e.g. automatic teller machines
- G07F19/20—Automatic teller machines [ATMs]
- G07F19/205—Housing aspects of ATMs
Abstract
The invention discloses a kind of method and control circuit applied to the control of self-service device door, self-service device door uses electromagnetic lock, and the opening and closing of electromagnetic lock is controlled by electromagnetism lock control circuit；The electromagnetism lock control circuit includes electromagnetic lock unlocking duration protection part, electromagnetic lock unlocking control section and electromagnetic lock state detection portion；The electromagnetic lock unlocking duration protection portion point includes U1 monostable flipflop chip 74HC123, the attached resistance R1 of chip, the attached resistance R2 of chip, the attached resistance R3 of chip, chip attached resistance R4 and capacitor C1；The electromagnetic lock unlocking control section includes resistance R5, resistance R6, resistance R7, resistance R8, NPN triode Q1, PMOS tube Q2, sustained diode 1 and the socket J1 for connecting electromagnetic lock coil；The electromagnetic lock state detection portion includes resistance R10, resistance R11, opto-coupler chip U2, the socket J2 for connecting electromagnetism lock status feedback.By the above-mentioned means, self-service device door lock of the present invention uses electromagnetic lock, design is simple, easily controllable and at low cost.
Description
Technical field
The present invention relates to self-service device fields, more particularly to a kind of method and control applied to the control of self-service device door
Circuit.
Background technique
With the rapid development in present financial market, the features such as due to the round-the-clock of self-service device, portability, self-service device
Popularization is higher and higher, and it is also increasing to lay density.For the ease of user experience, most of self-service device is placed in cell etc.
The big region of density of personnel, and it is substantially all unattended, therefore, high requirement is proposed to the safety of self-service device.At present
Self-service device door lock generallys use mechanical lock, but mechanical lock has the following disadvantages: that safety is poor, and mechanical lock turns the key in the lock, such as
Fruit key is lost or is obtained by unauthorized person, and self-service device door will can not be opened or arbitrarily be opened by unauthorized person；It can answer
Property processed is strong, if key preservation is improper, can arbitrarily be replicated by unauthorized person；Violence is poor, and mechanical lock anti-destructive is opened
Time is too short, can open very much self-service device door easily using violence mode.It, can be in self-help terminal equipment door in order to improve safety
Lock uses coded lock, and coded lock utilizes electronic technology, in conjunction with a variety of identification technologies, improves self-service device safety, but password
It is generally higher to lock price.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of method applied to the control of self-service device door and control electricity
Road, self-service device door lock use electromagnetic lock, and electromagnetic lock opening is under software control, the staff of only legal administrator's identity
Software control electromagnetic lock could be passed through, open appliance doors.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: it provides a kind of applied to self-service device
The method and control circuit of door control, self-service device door use electromagnetic lock, the opening and closing of electromagnetic lock by electromagnetism lock control circuit come
Control；The electromagnetism lock control circuit includes electromagnetic lock unlocking duration protection part, electromagnetic lock unlocking control section and electromagnetic lock
State detection portion；The electromagnetic lock unlocking duration protection portion point is attached including U1 monostable flipflop chip 74HC123, chip
The attached resistance R2 of resistance R1, chip, the attached resistance R3 of chip, chip attached resistance R4 and capacitor C1；The electromagnetic lock unlocking control
System part includes resistance R5, resistance R6, resistance R7, resistance R8, NPN triode Q1, PMOS tube Q2, sustained diode 1 and connection
The socket J1 of electromagnetic lock coil；The electromagnetic lock state detection portion includes resistance R10, resistance R11, opto-coupler chip U2, connection
The socket J2 of electromagnetism lock status feedback；It include following step using the method that electromagnetism lock control circuit carries out the control of self-service device door
Rapid: it is low level, U1 monostable flipflop chip that the electromagnetic lock that MPU is connected to when standby mode, which opens control signal CTL_OUT,
74HC123 pin 13 exports low level, NPN triode Q1 cut-off, and PMOS tube Q2 is not turned on, and is connected to the electromagnetic lock of socket J1 not
Work；When MPU, which is received, opens electromagnetic lock control command, the electromagnetism lock status signal for being connected to socket J2 is detected first
Sensor_IN, if electromagnetic lock has been opened, MPU returns to electromagnetic lock immediately and opens success response, if electromagnetic lock is now in pass
Closed state, the electromagnetic lock of MPU open control signal CTL_OUT and export high level, and CTL_OUT signal becomes high electricity from low level
Flat, U1 monostable flipflop chip 74HC123 pin 13 exports high level, control NPN triode Q1 conducting, and then controls PMOS
Pipe Q2 conducting, electromagnetic coil are powered on, while MPU detects electromagnetic lock status feedback signal Sensor_IN, if detecting electricity
Magnetic padlock is opened successfully, and control signal CTL_OUT exports low level, and U1 monostable flipflop chip 74HC123 pin 13 exports low
Level, NPN triode Q1 cut-off, PMOS tube Q2 cut-off, electromagnetic coil energization terminate, and MPU returns to electromagnetic lock and opens success response,
If MPU can not still detect electromagnetic lock unlocking success, equally control signal in the maximum energization period that electromagnetic lock allows
CTL_OUT exports low level, terminates electromagnetic coil and is powered, and returns to electromagnetic lock and opens failure response.
Further, the U1 monostable flipflop chip 74HC123 is monostable flipflop, connects low electricity in pin 1 (/ 1A)
Flat, when pin 2 (1B) connects high level, pin 3 (/ 1R) is low level, and pin 13 (1Q) exports low level, pin 3 (/ 1R) always
High level is become from low level, pin 13 (1Q) exports the high level t1 of fixed duration, and high level duration t1 is by resistance R4 and electricity
Hold C1 product to determine, high level duration t1 is slightly less than the maximum energization period of electromagnetic lock permission.
The beneficial effects of the present invention are: electromagnetism lock control of the present invention uses duplicate protection, electromagnetic lock can be flexibly controlled, is contracted
The short unlocking response time, also can in MPU program exception hardware protection electromagnetic lock, prevent electromagnetic coil for a long time be powered, burn
Electromagnetic lock.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram applied to self-service device gate control circuit of the present invention；
Fig. 2 is the flow chart of a kind of shown method applied to the control of self-service device door.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Fig. 1 and Fig. 2 are please referred to, the embodiment of the present invention includes:
For the control electromagnetic lock of effective and safe, the technical program provides a set of electromagnetism lock control circuit, such as Fig. 1 institute
Show, using the control circuit, can not only normally open electromagnetic lock, and increase electromagnetic lock unlocking defencive function, effectively keep away
Exempt from electromagnetic lock and maintains unlocking condition, the phenomenon that electromagnetic lock is burnt for a long time.
This electromagnetism lock control circuit is mainly made of three parts: first part is that electromagnetic lock unlocking duration protects part, packet
Include the U1 monostable flipflop chip 74HC123 and attached resistance R1 of chip R2 R3 R4, capacitor C1；Second part is electromagnetic lock
Unlocking control section, including resistance R5 R6 R7 R8, NPN triode Q1, PMOS tube Q2, sustained diode 1, connection electromagnetic lock
The socket J1 of coil, Part III are electromagnetic lock state detection portion, and whether detection electromagnetic lock unlocks success, including resistance R10/
The socket J2 that R11, opto-coupler chip U2, connection electromagnetism lock status are fed back.
Electromagnetic lock is when keeping unlocking condition, one termination power of electromagnetic coil, and other end ground connection is equivalent to short circuit, electromagnetism
Coil heating amount is big, and temperature promotion speed is fast, and such state is continued above certain time, and electromagnetic coil will be burnt, and causes whole
The damage of a electromagnetic lock.For effective protection electromagnetic lock, electromagnetic coil is avoided to keep unlocking condition for a long time, the technical program is adopted
Electromagnetic lock is protected with U1 monostable trigger chip 74HC123, prevents electromagnetic coil from keeping unlocking condition for a long time.Chip
74HC123 is monostable flipflop, connects low level in pin 1 (/ 1A), and when pin 2 (1B) connects high level, pin 3 (/ 1R) is low
Level, pin 13 (1Q) export low level always, and pin 3 (/ 1R) becomes high level from low level, and pin 13 (1Q) output is fixed
The high level t1 of duration, high level duration t1 are determined that high level duration t1 is slightly less than electromagnetic lock by resistance R4 and capacitor C1 product
The maximum energization period of permission, protective effect when playing MPU program exception to electromagnetic lock.
Using chip 74HC123 characteristics as described above, this electromagnetism lock control circuit working principle: under normal circumstances, connect
Electromagnetic lock to MPU opens control signal CTL_OUT as low level, and chip 74HC123 pin 13 exports low level, tri- pole NPN
Pipe cut-off, P link up MOS and are not turned on, and the electromagnetic lock for being connected to socket J1 does not work；Electromagnetism lock control life is opened when MPU is received
When enabling, the electromagnetism lock status signal Sensor_IN for being connected to socket J2 is detected first, if electromagnetic lock has been opened, MPU is returned immediately
Telegram in reply magnetic padlock opens success response, if electromagnetic lock is now in closed state, the electromagnetic lock of MPU opens control signal CTL_
OUT exports high level, and CTL_OUT signal becomes high level from low level, and chip 74HC123 pin 13 exports high level, control
NPN triode Q1 conducting, and then PMOS tube Q2 conducting is controlled, electromagnetic coil is powered on, while MPU detection electromagnetism lock status is anti-
Feedback signal Sensor_IN, if detecting that electromagnetic lock is opened successfully, control signal CTL_OUT exports low level, chip
74HC123 pin 13 exports low level, and NPN triode Q1 cut-off, PMOS tube Q2 cut-off, electromagnetic coil, which is powered, to be terminated, and MPU is returned
Electromagnetic lock opens success response, if MPU can not still detect electromagnetic lock unlocking in the maximum energization period that electromagnetic lock allows
Success, the same signal CTL_OUT that controls export low level, terminate electromagnetic coil and be powered, return to electromagnetic lock and open failure response.Just
In normal situation, MPU controls signal CTL_OUT high level duration t2, opens duration by electromagnetic lock and determines, is less than chip 74HC123
The high level duration t1 determined by resistance R4 and capacitor C product, can not only flexibly control electromagnetic lock using which, shorten
Protective effect when unlocking the response time, and also playing MPU program exception to electromagnetic lock, the control circuit is to electromagnetic lockset
There is double protection.
The present invention uses electromagnetic lock in self-service device door lock, and electromagnetic lock opening is under software control, only legal administrator
The staff of identity could open appliance doors by software control electromagnetic lock, can effectively ensure that self-service device safety.Electromagnetism
Lock control uses duplicate protection, can flexibly control electromagnetic lock, shortens the response time of unlocking, also can be hard in MPU program exception
Part protects electromagnetic lock, prevents electromagnetic coil to be powered for a long time, burns electromagnetic lock.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (2)
1. a kind of method and control circuit applied to the control of self-service device door, which is characterized in that self-service device door uses electromagnetism
Lock, the opening and closing of electromagnetic lock are controlled by electromagnetism lock control circuit；The electromagnetism lock control circuit includes electromagnetic lock unlocking duration
Protection part, electromagnetic lock unlocking control section and electromagnetic lock state detection portion；The electromagnetic lock unlocking duration protection portion subpackage
Include U1 monostable flipflop chip 74HC123, the attached resistance R1 of chip, the attached resistance R2 of chip, the attached resistance R3 of chip, chip
Attached resistance R4 and capacitor C1；The electromagnetic lock unlocking control section includes resistance R5, resistance R6, resistance R7, resistance R8, NPN
Triode Q1, PMOS tube Q2, sustained diode 1 and the socket J1 for connecting electromagnetic lock coil；The electromagnetic lock state detection portion
The socket J2 fed back including resistance R10, resistance R11, opto-coupler chip U2, connection electromagnetism lock status；Using electromagnetism lock control circuit
The method of self-service device door control is carried out the following steps are included: when standby mode electromagnetic lock for being connected to MPU opens control signal
CTL_OUT is low level, and U1 monostable flipflop chip 74HC123 pin 13 exports low level, and NPN triode Q1 is ended,
PMOS tube Q2 is not turned on, and the electromagnetic lock for being connected to socket J1 does not work；It is first when MPU, which is received, opens electromagnetic lock control command
First detection is connected to the electromagnetism lock status signal Sensor_IN of socket J2, if electromagnetic lock has been opened, MPU returns to electromagnetism immediately
Lock opens success response, if electromagnetic lock is now in closed state, the electromagnetic lock of MPU opens control signal CTL_OUT output
High level, CTL_OUT signal become high level from low level, and U1 monostable flipflop chip 74HC123 pin 13 exports high electricity
It is flat, control NPN triode Q1 conducting, and then PMOS tube Q2 conducting is controlled, electromagnetic coil is powered on, while MPU detects electromagnetism
Lock status feedback signal Sensor_IN, if detecting that electromagnetic lock is opened successfully, control signal CTL_OUT exports low level, U1
Monostable flipflop chip 74HC123 pin 13 exports low level, NPN triode Q1 cut-off, PMOS tube Q2 cut-off, electromagnetic coil
Energization terminates, and MPU returns to electromagnetic lock and opens success response, if MPU still can not in the maximum energization period that electromagnetic lock allows
Detect electromagnetic lock unlocking success, the same signal CTL_OUT that controls exports low level, terminates electromagnetic coil and be powered, return to electromagnetism
Lock opens failure response.
2. a kind of method and control circuit applied to the control of self-service device door according to claim 1, it is characterised in that:
The U1 monostable flipflop chip 74HC123 is monostable flipflop, connects low level in pin 1 (/ 1A), pin 2 (1B) connects
When high level, pin 3 (/ 1R) is low level, and pin 13 (1Q) exports low level always, and pin 3 (/ 1R) becomes high from low level
Level, pin 13 (1Q) export the high level t1 of fixed duration, and high level duration t1 is determined by resistance R4 and capacitor C1 product, high
Level duration t1 is slightly less than the maximum energization period of electromagnetic lock permission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811259002.7A CN109215253A (en) | 2018-10-26 | 2018-10-26 | A kind of method and control circuit applied to the control of self-service device door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811259002.7A CN109215253A (en) | 2018-10-26 | 2018-10-26 | A kind of method and control circuit applied to the control of self-service device door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109215253A true CN109215253A (en) | 2019-01-15 |
Family
ID=64997061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811259002.7A Pending CN109215253A (en) | 2018-10-26 | 2018-10-26 | A kind of method and control circuit applied to the control of self-service device door |
Country Status (1)
| Country | Link |
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| CN (1) | CN109215253A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455613A (en) * | 2020-03-17 | 2020-07-28 | 无锡飞翎电子有限公司 | Unlocking processing method and device of electronic door lock, clothes processing device and medium |
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| CN206205604U (en) * | 2016-10-21 | 2017-05-31 | 顺丰科技有限公司 | Electromagnetism lock control circuit and electromagnetic lock |
| CN207728148U (en) * | 2017-12-30 | 2018-08-14 | 东莞如金自动化设备科技有限公司 | The control circuit of the electromagnetic lock of small-sized vending machine |
| CN209687049U (en) * | 2018-10-23 | 2019-11-26 | 四川中移通信技术工程有限公司 | A kind of control circuit of electromagnetic lockset |
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2018
- 2018-10-26 CN CN201811259002.7A patent/CN109215253A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05209477A (en) * | 1992-01-30 | 1993-08-20 | Fujitsu Ltd | Reoperation system for building control system |
| CN1835147A (en) * | 2005-11-07 | 2006-09-20 | 珠海市共创有限公司 | Wired distributing error proof locking system of microcomputer |
| CN2919393Y (en) * | 2006-04-04 | 2007-07-04 | 南京熊猫电子股份有限公司 | Multifunctional interface tax-controlled cash register mainboard |
| US20070241881A1 (en) * | 2006-04-05 | 2007-10-18 | Larry Golden | Multi sensor detection and lock disabling system |
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| CN206205604U (en) * | 2016-10-21 | 2017-05-31 | 顺丰科技有限公司 | Electromagnetism lock control circuit and electromagnetic lock |
| CN207728148U (en) * | 2017-12-30 | 2018-08-14 | 东莞如金自动化设备科技有限公司 | The control circuit of the electromagnetic lock of small-sized vending machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455613A (en) * | 2020-03-17 | 2020-07-28 | 无锡飞翎电子有限公司 | Unlocking processing method and device of electronic door lock, clothes processing device and medium |
| CN111455613B (en) * | 2020-03-17 | 2021-09-21 | 无锡飞翎电子有限公司 | Unlocking processing method and device of electronic door lock, clothes processing device and medium |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190115 |