CN109356463A - A kind of lock system with suspension emergency door opening function - Google Patents
A kind of lock system with suspension emergency door opening function Download PDFInfo
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- CN109356463A CN109356463A CN201811239510.9A CN201811239510A CN109356463A CN 109356463 A CN109356463 A CN 109356463A CN 201811239510 A CN201811239510 A CN 201811239510A CN 109356463 A CN109356463 A CN 109356463A
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- 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
- E05B47/026—Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving rectilinearly
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/02—Locks or fastenings for special use for thin, hollow, or thin-metal wings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/04—Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
- G06Q10/043—Optimisation of two dimensional placement, e.g. cutting of clothes or wood
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/08—Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
- G06Q10/087—Inventory or stock management, e.g. order filling, procurement or balancing against orders
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
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- 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
- E05B2047/0048—Circuits, feeding, monitoring
- E05B2047/005—Opening, closing of the circuit
-
- 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
- E05B2047/0084—Key or electric means; Emergency release
- E05B2047/0086—Emergency release, e.g. key or electromagnet
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Abstract
The present invention relates to a kind of lock systems with suspension emergency door opening function, belong to lockset control field, including placing library, host computer and multiple cabinets, cabinet, which is placed on, to be placed in library, multiple lock bodies include lock controller, electromagnetic lock control unit and electromagnetic lock, the connection of the I/O of electromagnetic lock control unit and lock controller mouth output end, electromagnetic lock control unit includes normal switch circuit, emergency button circuit and normal-open type relay for being connect with electromagnetic lock, the control signal that normal switch circuit receives lock controller output makes the coil L1 of normal-open type relay be powered, the lock tongue of electromagnetic lock is driven to stretch out, realization is shut, emergency button circuit is for powering off the coil L1 of normal-open type relay, the lock tongue of electromagnetic lock is driven to withdraw, it realizes and unlocks.The present invention is provided with emergency button circuit, has the advantages that when lock controller exports control signal failure, is able to achieve cabinet energency-unlocking.
Description
Technical field
The present invention relates to lockset control field more particularly to a kind of lock systems with suspension emergency door opening function.
Background technique
Cabinet is usually the object for being used to store computer and related control device of cold-rolled steel sheet or alloy production, can be with
Protection to storage equipment is provided, electromagnetic interference is shielded, is arrange orderly and neatly equipment, it is convenient for later maintenance of equipment.Cabinet one
As be divided into server cabinet, network cabinet, console cabinet etc..
With the continuous development of computer technology, the demand of internet constantly expands, and mainframe computer computer room will increasingly
It is more, and the also synchronous increase of the requirement for the asset management of computer room cabinet equipment.Current existing asset management method, generally
The method made an inventory using adhesive label, although also using a certain amount of technological means, as far as possible reduce artificial behaviour
Make.But this Stocktaking mode is not possible to accomplish that work of making an inventory is performed fully automatic, in addition, the mounting means of label also will affect
The normal use of equipment, and inventory procedure itself can bring some mistakes to lead to duplicate manual operation etc..Due to those,
Lead in computer room asset management the checking method that never one kind is effective, can make an inventory automatically.
Summary of the invention
The purpose of the present invention is to provide a kind of lock systems with suspension emergency door opening function, are provided with emergency button
Circuit has the advantages that when lock controller exports control signal failure, is able to achieve cabinet energency-unlocking.
Above-mentioned purpose of the invention has the technical scheme that
A kind of lock system with suspension emergency door opening function, places library, host computer and multiple cabinets, the cabinet and is placed on
In the placement library, multiple lock bodies include lock controller, electromagnetic lock control unit and electromagnetic lock, the electromagnetism
Lock control unit is connect with the I/O of lock controller mouth output end, and the electromagnetic lock control unit includes normal switch electricity
Road, emergency button circuit and the normal-open type relay for being connect with the electromagnetic lock, described in the normal switch circuit receives
The control signal of lock controller output makes the coil L1 of the normal-open type relay be powered, so that normal-open type relay
Two contact closures drive the lock tongue of the electromagnetic lock to stretch out, and realization is shut, and the emergency button circuit is used in the lockset control
Device processed occurs making when output signal failure the coil L1 of the normal-open type relay to power off, and the lock tongue of the electromagnetic lock is driven to receive
It returns, realizes and unlock.
It further, further include placing library, the placement library is divided into multiple cabinets and places position, and multiple cabinets are placed on position
It is provided with ultrasonic array positioning unit, the ultrasonic array positioning unit includes multiple supersonic range finders, Duo Gesuo
It states and is provided with a supersonic range finder, the supersonic range finder and lock controller electricity on cabinet placement position
It connects, the number information of the supersonic range finder, the number of the supersonic range finder is stored in the host computer
Information corresponds to the number information that the cabinet places position, and the top that cabinet placement position is arranged in the supersonic range finder is continuous
Ground sends downwards pulsed ultrasonic wave, while receiving ultrasonic pulse-echo, and the lock controller is according to ultrasonic pulse from being emitted to
Time required for receiving calculates the detecting distance for the barrier that the supersonic range finder is placed to cabinet on position, the lock
Tool controller in prestore slave supersonic range finder to cabinet place position apart from minimum threshold, lock controller will test
Distance is compared with apart from minimum threshold, if detecting distance is greater than apart from minimum threshold, judges that the cabinet is placed on position
It is not placed with the cabinet, if detecting distance is less than apart from minimum threshold, judges that the cabinet is placed and is placed on position
Cabinet is stated, and the cabinet for whether being placed with the cabinet on cabinet placement position is placed into position status information and is sent on described
Position machine, the host computer storage cabinet place position status information.
Further, the lock controller is STM32L432KCU6 single-chip microcontroller, and the STM32L432KCU6 single-chip microcontroller is logical
NRF24L01 radio-cell transceiver is crossed to communicate with the host computer.
Further, the supersonic range finder is the HC-SR04 ultrasonic sensor for ranging of integrated form, the HC-
The pulse-triggered pin of SR04 ultrasonic sensor for ranging is electrically connected with the I/O of lock controller mouth output end, the HC-
The echo pin of SR04 ultrasonic sensor for ranging is connect with the middle fracture of the lock controller.
Further, the normal switch circuit includes first resistor R1, second resistance R2,3rd resistor R3 and MOS switch
Pipe Q1, the end a of the coil L1 of the normal-open type relay are connected with the end external power supply VCC, the coil of the normal-open type relay
The end b of L1 is connect with the drain electrode of the MOS switch pipe Q1, the source electrode of MOS switch pipe Q1 ground connection, the second resistance R2 with
3rd resistor R3 series connection, one end of the second resistance R2 are connected to the coil L1 and external power supply of the normal-open type relay
In connecting node, one end of 3rd resistor R3 is connect with the source electrode of the MOS switch pipe Q1, the grid of the MOS switch pipe Q1
It is connected in the connecting node of the second resistance R2 and 3rd resistor R3, the first resistor R1 and the MOS switch pipe Q1
Grid connection, the control signal of lock controller output accessed by the other end of first resistor R1.
Implement above-mentioned technical proposal, lock controller persistently exports high level through first resistor R1 to MOS switch pipe Q1's
Grid realizes the conducting of MOS switch pipe Q1, and relay is normal-open type relay, therefore two contacts of relay are kept when being powered
Closure, so that electromagnetic lockset keeps lock state.
Further, the emergency button circuit includes the 4th resistance R4 and NPN type triode Q2, the 4th resistance R4's
The other end of one end external power supply, the 4th resistance R4 is connect with the base stage of the NPN type triode Q2, the NPN type three
The emitter of pole pipe Q2 is grounded, and the collector of the NPN type triode Q2 is connected to the second resistance R2 and 3rd resistor R3
Connecting node on.
Implement above-mentioned technical proposal, lock controller output control signal fault can not export low level signal and disconnect MOS
When switching tube Q1, the base stage of NPN type triode Q2 is connected with emitter through second resistance R2 in external+5V voltage, to draw
The grid of low MOS switch pipe Q1, so that MOS switch pipe Q1 is disconnected, two contacts of relay are disconnected.
Further, the both ends of the coil L1 of the relay are parallel with rectifier diode D1, the rectifier diode D1's
The positive end b with the coil L1 of the relay is connect, the cathode of the rectifier diode D1 and the coil L1 of the relay
The end a connection.
Implement above-mentioned technical proposal, the reversed high electricity that rectifier diode D1 is generated for the coil L1 power-off of release relay
Pressure protects circuit element.
Further, the cabinet further includes the temperature detecting unit for detecting electromagnetic lock temperature, the temperature detection list
Member includes DS18B20 temperature sensor, and the GND pin of the DS18B20 temperature sensor is grounded, the DS18B20 temperature
The DQ pin of sensor is connect with the I/O mouth input terminal of the STM32L432KCU6 single-chip microcontroller, the DS18B20 temperature sensing
The end VCC of the VCC termination external power supply of device.
Implement above-mentioned technical proposal, DS18B20 temperature sensor is used to detect the temperature of electromagnetic lock, and passes through
The real time temperature of electromagnetic lock is transferred to STM32L432KCU6 single-chip microcontroller by the I/O mouth input terminal of STM32L432KCU6 single-chip microcontroller.
The max-thresholds of the temperature value of electromagnetic lock are preset in STM32L432KCU6 single-chip microcontroller, when the real time temperature of electromagnetic lock is greater than electricity
When the max-thresholds of the temperature value of magnetic padlock, STM32L432KCU6 single-chip microcontroller exports low level through first resistor R1 to MOS switch pipe
The grid of Q1, to disconnect MOS switch pipe Q1, slew relay is powered, to prevent electromagnetic lock from burning out.
In conclusion the invention has the following advantages:
One, the electromagnetic lock control unit in the present invention is provided with emergency button circuit, exports control signal in lock controller and goes out
When existing failure, administrator can be locked by emergency button circuit controling electromagnetism to unlock；
Two, the present invention, which has the advantages that make an inventory automatically, places cabinet quantity and position in library；
Three, the cabinet in the present invention uses electromagnetic lock, controls the unlocking of electromagnetic lock by single-chip microcontroller or shuts, it is time saving and energy saving to have
The advantages of.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the circuit diagram of the electromagnetic lock control unit of the embodiment of the present invention；
Fig. 3 is the circuit diagram of the temperature detecting unit of the embodiment of the present invention；
Fig. 4 is the present invention for showing that cabinet places the structure chart of position state；
Fig. 5 is the embodiment of the present invention for showing the step of library is placed in host computer retrieval figure.
Appended drawing reference: 1, normal switch circuit；2, emergency button circuit；3, library is placed；4, cabinet places position；5, cabinet.
Specific embodiment
Below in conjunction with attached drawing, the technical solution of the embodiment of the present invention is described.
As shown in Figure 1, a kind of lock system with suspension emergency door opening function, including host computer and multiple cabinets 5,
Placing library 1 includes that multiple cabinets in the distribution of N*M matrix place position 4.Cabinet, which places position 4, in the present embodiment 30, and is in 5*6
Matrix distribution.Host computer according to each cabinet place position 4 locating for column locations, using array to 30 cabinets place positions 4 into
Row is numbered in advance.30 cabinets are placed and the arrangement mode that cabinet places position 4 are provided with ultrasonic array positioning list on position 4
Member, ultrasonic array positioning unit include 30 supersonic range finders, and corresponding 30 cabinets of 30 supersonic range finders are put
Set 4 is distributed in 5*6 matrix.Each cabinet, which is placed, is provided with a supersonic range finder and a lockset control on position 4
Device, lock controller are STM32L432KCU6 single-chip microcontroller, and STM32L432KCU6 single-chip microcontroller is received by NRF24L01 radio-cell
Hair device is communicated with host computer, and supersonic range finder is the HC-SR04 ultrasonic sensor for ranging of integrated form, HC-SR04 ranging
The pulse-triggered pin of ultrasonic sensor is electrically connected with the I/O of STM32L432KCU6 single-chip microcontroller mouth output end, and HC-SR04 is surveyed
Echo pin away from ultrasonic sensor is connect with the middle fracture of STM32L432KCU6 single-chip microcontroller.It is stored in host computer each
The number of HC-SR04 ultrasonic sensor for ranging, the corresponding machine of the number information of a HC-SR04 ultrasonic sensor for ranging
The number information of cabinet placement position 4.
HC-SR04 ultrasonic sensor for ranging is arranged on the ceiling for the top that cabinet places position 4,
Be preset in STM32L432KCU6 single-chip microcontroller cabinet place position it is vacant when from supersonic range finder to cabinet place position 4 away from
From minimum threshold.When needing to detect the service condition of cabinet placement position 4, STM32L432KCU6 single-chip microcontroller gives HC-SR04 ranging
The pulse-triggered pin of ultrasonic sensor inputs the high level square wave of a 20us, and HC-SR04 ultrasonic sensor for ranging is certainly
The pulsed ultrasonic wave of the 40KHz on the ground of position 4 is placed in dynamic transmitting 8 from HC-SR04 ultrasonic sensor for ranging to cabinet, simultaneously
The level of echo pin becomes the starting timer timing of 1, STM32L432KCU6 single-chip microcontroller from 0, and HC-SR04 ranging ultrasonic wave passes
When sensor receives the pulsed ultrasonic wave of return, the level of echo pin becomes 0, STM32L432KCU6 single-chip microcontroller from 1 and stops determining
When device timing.STM32L432KCU6 single-chip microcontroller by calculate pulsed ultrasonic wave from be emitted to receive required for the time, judge from
HC-SR04 ultrasonic sensor for ranging places the distance of the barrier on position 4, HC-SR04 ultrasonic sensor for ranging to cabinet
Range accuracy is 3mm, and when being placed with cabinet 5 on cabinet placement position 4, HC-SR04 ultrasonic sensor for ranging can be detected accurately
Come.Measuring distance compared with minimum threshold, is judged that cabinet places whether position 4 is placed with cabinet by STM32L432KCU6 single-chip microcontroller
5, and the use state information that cabinet places position 4 is sent to host computer by NRF24L01 wireless module.Host computer is by cabinet
The state for placing position 4 is divided into " occupancy " and " free time " two states, in conjunction with Fig. 4, when cabinet placement position 4 is " occupancy " state, uses
Circle is placed in cabinet and is labeled on position 4.Position 4 is placed according to the information update cabinet of STM32L432KCU6 single-chip microcontroller transmission
Use state information is simultaneously shown by display screen.
As shown in Figure 4,5, when needing to store next cabinet 5, host computer takes homeostatic principle, places multiple machines in library
The case where cabinet 5 is scattered, and reduction is centrally placed.Host computer is first placed position 4 to the cabinet of N*M matrix distribution and is examined
Rope, the service condition for calculating the cabinet placement position 4 of (N-1) * (M-1) matrix distribution first carry out S1 in the present embodiment: according to
Cabinet places the service condition of position 4 in secondary retrieval 4*5 matrix, calculates the occupancy number that cabinet in each 4*5 matrix places position, chooses and account for
With several minimum 4*5 matrixes；It carries out S2: carrying out the retrieval of 3*4 matrix in the 4*5 matrix, calculate cabinet in each 3*4 matrix and put
The occupancy number of set 4 is chosen and occupies the minimum 3*4 matrix of number；It carries out S3: carrying out the retrieval of 2*3 matrix in the 3*4 matrix,
The occupancy number that cabinet in each 2*3 matrix places position 4 is calculated, chooses and occupies the minimum 2*3 matrix of number；Carry out S4: in the 2*3 matrix
The middle retrieval for carrying out 1*2 matrix calculates the occupancy number that cabinet in each 1*2 matrix places position 4, chooses and occupy the minimum 1*2 square of number
Battle array carries out S5: the cabinet that next cabinet 5 is placed in selection in the 1*2 matrix places position 4, and shows the machine on a display screen
The number of cabinet placement position 4.When there are multiple occupancy equal matrixes of numbers, the rectangles equal to multiple occupancy numbers carry out next step
Retrieval.Such as there is the identical 3*4 matrix of multiple occupancy numbers, the occupancy number for carrying out 2*3 matrix to multiple 3*4 matrixes respectively calculates,
If wherein there is the identical 2*3 matrix of multiple occupancy numbers, to the occupancy number for occupying the identical 2*3 matrix progress 1*2 matrix of number
It calculates, if finally there is the identical 1*2 matrix of multiple occupancy numbers, host computer therefrom generates multiple preferred cabinets and places the number of position 4,
And display is shown in from the number that the cabinet that this multiple preferred cabinet places the next cabinet 5 of 4 number random output of position places position 4
On screen.
Each lock body includes electromagnetic lock control unit and electromagnetic lock, electromagnetic lock control unit with
The I/O mouth output end of STM32L432KCU6 single-chip microcontroller connects.Electromagnetic lock control unit includes normal switch circuit 1, emergency button
Circuit 2 and normal-open type relay for connecting with electromagnetic lock, normal switch circuit 1 receive the control letter of lock controller output
Number the coil L1 of normal-open type relay is made to be powered, so that two contact closures of normal-open type relay, drive the lock of electromagnetic lock
Tongue stretches out, and realization is shut, and emergency button circuit 2 is for making open type relay when output signal failure occurs in lock controller
The coil L1 of device is powered off, and the lock tongue of electromagnetic lock is driven to withdraw, and is realized and is unlocked.
The displacement sensor of the latch bolt position information for detecting electromagnetic lock, displacement sensor and lockset are provided on lock tongue
Controller connection, lock controller judge whether lock tongue is in retracted state according to the information that displacement sensor is fed back.Lockset control
Device processed is also connected with voice driven chip, is connected with buzzer on speech chip.It is provided with lock tongue in lock controller and keeps contracting
The maximum time threshold value for the state of returning, when the time that lock tongue remains off being greater than maximum time threshold value, lock controller is logical
It crosses voice driven chip drives buzzer and issues early warning voice messaging.
As shown in Fig. 2, normal switch circuit 1 includes first resistor R1, second resistance R2,3rd resistor R3 and MOS switch
Pipe Q1, the first end of the coil L1 of normal-open type relay are connected with the end VCC of external 12V power supply, the coil of normal-open type relay
The second end of L1 is connect with the drain electrode of MOS switch pipe Q1, the source electrode ground connection of MOS switch pipe Q1, second resistance R2 and 3rd resistor
R3 series connection, one end of second resistance R2 are connected on the coil L1 of normal-open type relay and the connecting node of external power supply, third
One end of resistance R3 is connect with the source electrode of MOS switch pipe Q1, and the grid of MOS switch pipe Q1 is connected to second resistance R2 and third
In the connecting node of resistance R3, first resistor R1 is connect with the grid of MOS switch pipe Q1, the control signal of lock controller output
It is accessed by the other end of first resistor R1.
As shown in Fig. 2, emergency button circuit 2 includes the 4th resistance R4 and NPN type triode Q2, one end of the 4th resistance R4
The end VCC of external 5V power supply, the other end of the 4th resistance R4 are connect with the base stage of NPN type triode Q2, NPN type triode Q2
Emitter ground connection, the collector of NPN type triode Q2 is connected in the connecting node of second resistance R2 and 3rd resistor R3.
Lock controller is also connected with camera, and normal switch circuit 1 or emergency button circuit 2 pass through normal-open type relay
Control electromagnetic lock lock tongue withdraw to realize unlocking when, lock controller open camera, camera to electromagnetic lock around
Environment carries out Image Acquisition.
As shown in Fig. 2, the both ends of the coil L1 of relay are parallel with rectifier diode D1, the anode of rectifier diode D1 with
The end b of the coil L1 of relay connects, the end a connection of the coil L1 of the cathode and relay of rectifier diode D2.
As shown in figure 3, cabinet 5 further includes the temperature detecting unit for detecting electromagnetic lock temperature, temperature detecting unit packet
DS18B20 temperature sensor, the GND pin ground connection of DS18B20 temperature sensor are included, the DQ of DS18B20 temperature sensor draws
Foot is connect with the I/O of STM32L432KCU6 single-chip microcontroller mouth input terminal, and the VCC of DS18B20 temperature sensor terminates external power supply
The end VCC.
After cabinet is placed on cabinet placement position, by the I/O of electromagnetic lock control unit and STM32L432KCU6 single-chip microcontroller
Mouth output end connection.When needing to close electromagnetic lock, high level is persistently exported through the first electricity by STM32L432KCU6 single-chip microcontroller
The grid of R1 to MOS switch pipe Q1 is hindered, realizes the conducting of MOS switch pipe Q1, relay is normal-open type relay, therefore when being powered
Two contacts of relay remain closed, and the lock tongue of electromagnetic lock is driven to stretch out, and realization is shut, so that electromagnetic lock keeps locking shape
State；When needing to open electromagnetic lock, low level is persistently exported through first resistor R1 to MOS by STM32L432KCU6 single-chip microcontroller
The grid of switching tube Q1, realizes the disconnection of MOS switch pipe Q1, and two contacts of the coil L1 no power of relay, relay disconnect
Connection, drives the lock tongue of electromagnetic lock to withdraw, and realizes and unlocks.There is output failure in STM32L432KCU6 single-chip microcontroller, can not export low
When level signal disconnects MOS switch pipe Q1, external+5V voltage makes the base stage and hair of NPN type triode Q2 through second resistance R2
Emitter-base bandgap grading conducting, to drag down the grid of MOS switch pipe Q1, so that MOS switch pipe Q1 is disconnected, two contacts of relay are disconnected, band
The lock tongue of dynamic electromagnetic lock is withdrawn, and realizes that the pressure of electromagnetic lock is unlocked.DS18B20 temperature sensor is used to detect the temperature of electromagnetic lock
Degree, and be transferred to the real time temperature of electromagnetic lock by the I/O of STM32L432KCU6 single-chip microcontroller mouth input terminal
STM32L432KCU6 single-chip microcontroller.It is preset with the max-thresholds of the temperature value of electromagnetic lock in STM32L432KCU6 single-chip microcontroller, works as electricity
When the real time temperature of magnetic padlock is greater than the max-thresholds of the temperature value of electromagnetic lock, STM32L432KCU6 single-chip microcontroller exports low level warp
First resistor R1 is to the grid of MOS switch pipe, to disconnect MOS switch pipe Q1, slew relay is powered, to prevent electromagnetic lock
It burns out, while STM32L432KCU6 single-chip microcontroller sends warning information to host computer, so that administrative staff be prompted to detect electromagnetic lock.
Claims (8)
1. a kind of lock system with suspension emergency door opening function, which is characterized in that including multiple lock bodies, place library
(3), host computer and multiple cabinets (5) using the lock body, the cabinet (5) is placed in the placement library (3), more
A lock body includes lock controller, electromagnetic lock control unit and electromagnetic lock, the electromagnetic lock control unit and institute
The I/O mouth output end connection of lock controller is stated, the electromagnetic lock control unit includes normal switch circuit (1), emergency button
Circuit (2) and the normal-open type relay for connecting with the electromagnetic lock, the normal switch circuit (1) receive the lockset control
The control signal of device output processed makes the coil L1 of the normal-open type relay be powered, so that two contacts of normal-open type relay
Closure, drives the lock tongue of the electromagnetic lock to stretch out, and realization is shut, and the emergency button circuit (2) is used to control in the lockset
Device occurs making when output signal failure the coil L1 of the normal-open type relay to power off, and the lock tongue of the electromagnetic lock is driven to receive
It returns, realizes and unlock.
2. a kind of lock system with suspension emergency door opening function according to claim 1, which is characterized in that further include
It places library (3), the placement library (3) is divided into multiple cabinets and places position (4), is provided on multiple cabinets placements position (4) super
Acoustic wave array positioning unit, the ultrasonic array positioning unit include multiple supersonic range finders, and multiple cabinets are put
A supersonic range finder is provided in set (4), the supersonic range finder is electrically connected with the lock controller,
The number information of the supersonic range finder, the number information pair of the supersonic range finder are stored in the host computer
The cabinet is answered to place the number information of position, the top that cabinet placement position is arranged in the supersonic range finder is constantly downward
Pulsed ultrasonic wave is sent, while receiving ultrasonic pulse-echo, the lock controller receives institute from being emitted to according to ultrasonic pulse
The time needed calculates the detecting distance for the barrier that the supersonic range finder is placed to cabinet on position (4), the lockset
Prestored in controller slave supersonic range finder to cabinet place position (4) apart from minimum threshold, lock controller will be examined
Ranging from with a distance from minimum threshold be compared, if detecting distance is greater than apart from minimum threshold, judge that the cabinet places position
(4) it is not placed with the cabinet (5) on, if detecting distance is less than apart from minimum threshold, judges that the cabinet places position (4)
On be placed with the cabinet (5), and will the cabinet place position (4) on whether be placed with the cabinet (5) cabinet place position
(4) status information is sent to the host computer, and the host computer storage cabinet places position (4) status information.
3. a kind of lock system with suspension emergency door opening function according to claim 1, which is characterized in that the lock
Tool controller is STM32L432KCU6 single-chip microcontroller, and the STM32L432KCU6 single-chip microcontroller is received and dispatched by NRF24L01 radio-cell
Device is communicated with the host computer.
4. a kind of lock system with suspension emergency door opening function according to claim 2, which is characterized in that described super
Sound ranging device is the HC-SR04 ultrasonic sensor for ranging of integrated form, the arteries and veins of the HC-SR04 ultrasonic sensor for ranging
Punching triggering pin is electrically connected with the I/O of lock controller mouth output end, and the HC-SR04 ultrasonic sensor for ranging returns
Wave pin is connect with the middle fracture of the lock controller.
5. it is according to claim 1 it is a kind of with suspension emergency door opening function lock system, which is characterized in that it is described just
Normal switching circuit (1) includes first resistor R1, second resistance R2,3rd resistor R3 and MOS switch pipe Q1, the open type relay
The end a of the coil L1 of device is connected with the end external power supply VCC, the end b of the coil L1 of the normal-open type relay and the MOS switch
The drain electrode of pipe Q1 connects, and the source electrode ground connection of the MOS switch pipe Q1, the second resistance R2 connects with 3rd resistor R3, described
One end of second resistance R2 is connected on the coil L1 of the normal-open type relay and the connecting node of external power supply, 3rd resistor
One end of R3 is connect with the source electrode of the MOS switch pipe Q1, and the grid of the MOS switch pipe Q1 is connected to the second resistance R2
In the connecting node of 3rd resistor R3, the first resistor R1 is connect with the grid of the MOS switch pipe Q1, the lockset control
The control signal of device output processed is accessed by the other end of first resistor R1.
6. a kind of lock system with suspension emergency door opening function according to claim 1, which is characterized in that described to answer
Anxious switching circuit (2) includes the 4th resistance R4 and NPN type triode Q2, and one end external power supply of the 4th resistance R4 is described
The other end of 4th resistance R4 is connect with the base stage of the NPN type triode Q2, and the emitter of the NPN type triode Q2 connects
Ground, the collector of the NPN type triode Q2 are connected in the connecting node of the second resistance R2 and 3rd resistor R3.
7. it is according to claim 4 it is a kind of with suspension emergency door opening function lock system, which is characterized in that it is described after
The both ends of the coil L1 of electric appliance are parallel with rectifier diode D1, the coil of the anode and the relay of the rectifier diode D1
The second end of L1 connects, and the first end of the coil L1 of the cathode and relay of the rectifier diode D1 is connect.
8. a kind of lock system with suspension emergency door opening function according to claim 4, which is characterized in that the machine
Cabinet further includes the temperature detecting unit for detecting electromagnetic lock temperature, and the temperature detecting unit includes DS18B20 temperature sensing
Device, the DS18B20 temperature sensor GND pin ground connection, the DQ pin of the DS18B20 temperature sensor with it is described
The I/O mouth input terminal of STM32L432KCU6 single-chip microcontroller connects, the VCC termination external power supply of the DS18B20 temperature sensor
The end VCC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811239510.9A CN109356463B (en) | 2018-10-23 | 2018-10-23 | Lockset system with function of emergency door opening during network interruption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811239510.9A CN109356463B (en) | 2018-10-23 | 2018-10-23 | Lockset system with function of emergency door opening during network interruption |
Publications (2)
| Publication Number | Publication Date |
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| CN109356463A true CN109356463A (en) | 2019-02-19 |
| CN109356463B CN109356463B (en) | 2020-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811239510.9A Withdrawn - After Issue CN109356463B (en) | 2018-10-23 | 2018-10-23 | Lockset system with function of emergency door opening during network interruption |
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| Country | Link |
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| CN (1) | CN109356463B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110244168A (en) * | 2019-07-16 | 2019-09-17 | 青岛海信商用显示股份有限公司 | A kind of electric control lock fault detection system and detection method |
| CN115634401A (en) * | 2022-10-07 | 2023-01-24 | 国网湖北省电力有限公司黄石供电公司 | Fire-fighting monitoring and fire-extinguishing mechanism of high-voltage switch cabinet |
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| CN110244168A (en) * | 2019-07-16 | 2019-09-17 | 青岛海信商用显示股份有限公司 | A kind of electric control lock fault detection system and detection method |
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| CN115634401B (en) * | 2022-10-07 | 2023-03-28 | 国网湖北省电力有限公司黄石供电公司 | Fire-fighting monitoring and fire-extinguishing mechanism of high-voltage switch cabinet |
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|---|---|
| CN109356463B (en) | 2020-09-08 |
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