CN207440986U - A kind of access control system for coal gas detection - Google Patents
A kind of access control system for coal gas detection Download PDFInfo
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- CN207440986U CN207440986U CN201721445888.5U CN201721445888U CN207440986U CN 207440986 U CN207440986 U CN 207440986U CN 201721445888 U CN201721445888 U CN 201721445888U CN 207440986 U CN207440986 U CN 207440986U
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Abstract
The utility model is a kind of to belong to access control system technical field for detecting the remote controlled access control system of coal gas；Include central processing unit, camera, coal gas detection device, warning device, key-press module, display module, electric mortiser locking device, voice module and cell-phone customer terminal；The camera, electric mortiser locking device and key-press module are disposed in the outdoor, and the coal gas detection device, warning device and display module are disposed in the interior, and electric mortiser locking device and voice module are disposed in the interior and outdoor；The camera, coal gas detection device, warning device, key-press module, display module, electric mortiser locking device, voice module connect central processing unit with cell-phone customer terminal；Effectively solves the technical issues of gas leak, door lock can only turn the key in the lock.
Description
Technical field
A kind of access control system for coal gas detection of the utility model belongs to access control system technical field.
Background technology
With the raising of people's living standard and quality of life, people are antitheft to household safe and the requirement of fire protecting performance
Higher and higher, traditional door lock can only be opened with key, often there is a situation where leaving behind key into not door in life, in addition,
Robber is using master key or pries open door lock, and the situation that interior is stolen is also that repeated, and police is also difficult to really after alarm
Take case suspect as, conventional door lock has been unable to meet demand of the people to convenience and security.In addition, existing many families
It is cooked using natural gas/coal gas, and natural gas/gas leakage is then the problem of user is needed constantly to pay attention to, it can if occurring
Influence people's life security.
Utility model content
It to be set in view of the above-mentioned problems, the purpose of this utility model is to provide a kind of access control system hardware for coal gas detection
It is standby.
What the purpose of this utility model was realized in：
A kind of access control system for coal gas detection, including central processing unit, camera, coal gas detection device, alarm dress
It puts, key-press module, display module, electric mortise lock, voice module and cell-phone customer terminal；The camera, electric mortise lock and key-press module
It is disposed in the outdoor, the coal gas detection device, warning device and display module are disposed in the interior；The camera, coal gas detection
Device, warning device, key-press module, display module, electric mortise lock, voice module connect central processing unit with cell-phone customer terminal.
Further, a kind of access control system for coal gas detection, the coal gas detection device circuit include coal gas
Sensor QM-2, operational amplifier LM339, triode Q1, photoelectrical coupler TLP521, Light-emitting diode LED 1, diode D1,
Loud speaker BY, potentiometer R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6 and resistance R7；Gas sensor QM-2's
One end of 4 pins and 6 pins connection potentiometer R1,6 pins of the centre tap concatenation operation amplifier LM339 of potentiometer R1,
Simulation ground AGND connects 5 leads ends of gas sensor QM-2, the other end of potentiometer R1, operational amplifier LM339 simultaneously
The collector of 12 leads ends and triode Q1,7 pins of one end concatenation operation amplifier LM339 of resistance R2, operational amplifier
1 pin of LM339 connects one end of resistance R4 and 2 pins of photoelectrical coupler TLP521, the other end connection of resistance R4 simultaneously
The base stage of triode Q1, the emitter of triode Q1 while cathode, the cathode of diode D1 of connecting luminous diode LED1, hair
One end of the anode connection resistance R5 of optical diode LED1, one end of the other end connection loud speaker BY of diode D1, coal gas inspection
Survey installation's power source is+5V ,+5V connect simultaneously 1 pin of gas sensor QM-2,2 pins, 3 leads ends, resistance R2 it is another
End, 3 leads ends of operational amplifier LM339, the other end of resistance R5, the other end of resistance R6 and resistance R7, resistance R7's is another
1 pin of one end connection photoelectrical coupler TLP521,3 pins of photoelectrical coupler TLP521 connect simultaneously resistance R8 one end and
The pin of processing chip, the 4 pins connection of the other end connection power supply+3.3V, photoelectrical coupler TLP521 of resistance R8 are digitally
DGND。
Further, a kind of access control system for coal gas detection, the power circuit of the gas sensor QM-2
Including three terminal regulator LM7805, capacitance C1 and capacitance C2；The power supply circuit of gas sensor QM-2 turns 5V by 12V, and three
1 pin of end voltage-stablizer LM7805 connects 12V power supplys, one end of capacitance C1, the 3 pins connection of three terminal regulator LM7805 simultaneously
One end of capacitance C2, ground terminal GND connect the other end of capacitance C1,2 pins of three terminal regulator LM7805 and capacitance C2 simultaneously
The other end.
Further, a kind of access control system for coal gas detection, the camera uses infrared camera, described
Screen uses LCD display.
Advantageous effect：
For gas concentration higher than threshold value, the utility model provides a kind of access control system for coal gas detection, uses
Central processing unit, camera, coal gas detection device, warning device, key-press module, display module, electric mortise lock, voice module and hand
Machine client；The camera, electric mortise lock and key-press module are disposed in the outdoor, the coal gas detection device, warning device and aobvious
Show that module is disposed in the interior；The camera, coal gas detection device, warning device, key-press module, display module, electric mortise lock, language
Sound module connects central processing unit with cell-phone customer terminal, and above technical scheme realizes and provides a kind of dress for coal gas detection
The goal of the invention of hardware device is put, hardware foundation is established to solve gas leak generation dangerous problem.
Description of the drawings
Fig. 1 is a kind of access control system structure diagram for coal gas detection.
Fig. 2 is coal gas detection device circuit diagram.
Fig. 3 is coal gas detection device power circuit diagram.
In figure：1 central processing unit, 2 cameras, 3 coal gas detection devices, 4 warning devices, 5 key-press modules, 6 display modules,
7 electric mortise locks, 8 voice modules, 9 cell-phone customer terminals.
Specific embodiment
Specific embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Specific embodiment one
A kind of access control system for coal gas detection, as shown in Figure 1, including central processing unit 1, camera 2, coal gas detection
Device 3, warning device 4, key-press module 5, display module 6, electric mortise lock 7, voice module 8 and cell-phone customer terminal 9；The camera
2nd, electric mortise lock 7 and key-press module 5 are disposed in the outdoor, and the coal gas detection device 3, warning device 4 and display module 6 are arranged on room
It is interior；The camera 2, coal gas detection device 3, warning device 4, key-press module 5, display module 6, electric mortise lock 7, voice module 8
Central processing unit 1 is connected with cell-phone customer terminal 9.
The central processing unit 1 uses ARM11 core processors, and using S3C6410 chips, camera 2, camera shooting is inscribed
First 2 are mounted on outdoors, external voice module 8 and key-press module 5, and voice module 8 is connected by triggering the selection of key-press module 5,
Access control system just carries out recognition of face when visitor carries out button, and whether control electric mortise lock 7 is opened, and face is carried out by camera 2
Identification, if consistent with the photo of typing, automatic door opening eliminates the problem of forgetting band key；If it is inconsistent, photograph
Piece is transferred to cell-phone customer terminal 9, decides whether to open the door by user；Pass through coal gas in 3 monitoring room of coal gas detection device or natural
Gas concentration, when concentration is higher than setting value, warning device 4 starts while 7 automatic door opening of electric mortise lock, coal gas detection device 3
Coal gas detection sensor uses MQ-2 gas sensors, and coal gas detection device 3 is installed indoors, the connection display of central processing unit 1
Module 6, display module 6 use LCD display, and LCD display is installed indoors, and outdoor visitor is checked for user, described
Central processing unit 1 connects key-press module 5, alarm device 4 and electric mortise lock 7, the electric mortiser lock controller of electric mortise lock 7 control its open the door and
It closes the door, using Lock with double safety guard, interior door can open the door lock after shutdown, and outdoor door knob lock can not open the door, energization unlocking fail secure,
The alarm device 4 sends alarm using buzzer, and 1 chip internal of central processing unit includes LCD controller, can be direct
Display module 6 is connected, the wireless communication uses wireless network card, is connected with the USB interface of central processing unit 1, image information is led to
It crosses wireless telecommunications and sends remote handset client 9, the power supply is 12V stand-by power supplies, to prevent the need that can not be opened the door when having a power failure.
Specific embodiment two
Specifically, a kind of access control system for coal gas detection, 3 circuit of coal gas detection device as shown in Figure 2
Including gas sensor QM-2, operational amplifier LM339, triode Q1, photoelectrical coupler TLP521, Light-emitting diode LED 1,
Diode D1, loud speaker BY, potentiometer R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6 and resistance R7；Coal gas passes
One end of 4 pins of sensor QM-2 and 6 pins connection potentiometer R1, the centre tap concatenation operation amplifier of potentiometer R1
6 pins of LM339, simulation ground AGND connect 5 leads ends of gas sensor QM-2, the other end of potentiometer R1, computing simultaneously
12 leads ends of amplifier LM339 and the collector of triode Q1, the 7 of one end concatenation operation amplifier LM339 of resistance R2 draws
Foot, 1 pin of operational amplifier LM339 connect one end of resistance R4 and 2 pins of photoelectrical coupler TLP521, resistance R4 simultaneously
Other end connecting triode Q1 base stage, the emitter of triode the Q1 cathode of connecting luminous diode LED1, two poles simultaneously
The cathode of pipe D1, one end of the anode connection resistance R5 of Light-emitting diode LED 1, the other end connection loud speaker BY of diode D1
One end, 3 power supply of coal gas detection device is+5V ,+5V connect simultaneously 1 pin of gas sensor QM-2,2 pins, 3 leads ends,
The other end, 3 leads ends of operational amplifier LM339, the other end of resistance R5, the other end and resistance of resistance R6 of resistance R2
1 pin of the other end connection photoelectrical coupler TLP521 of R7, resistance R7,3 pins of photoelectrical coupler TLP521 connect simultaneously
One end of resistance R8 and the pin of processing chip, resistance R8 the other end connection power supply+3.3V, the 4 of photoelectrical coupler TLP521
Pin connects digitally DGND.
Specifically, a kind of access control system for coal gas detection, as shown in figure 3, the gas sensor QM-2
Power circuit includes three terminal regulator LM7805, capacitance C1 and capacitance C2；The power supply circuit of gas sensor QM-2 by
12V turns 5V, and 1 pin of three terminal regulator LM7805 connects 12V power supplys, one end of capacitance C1, three terminal regulator LM7805 simultaneously
3 pins connection capacitance C2 one end, ground terminal GND connects the other end of capacitance C1, the 2 of three terminal regulator LM7805 draws simultaneously
The other end of foot and capacitance C2.
Specifically, a kind of access control system for coal gas detection, the camera 2 uses infrared camera, described
Screen uses LCD display.
With reference to Fig. 2, the coal gas detection device 3 is by gas sensor QM-2, comparison circuit and acousto-optic alarm unit and light
Electric isolating circuit forms, and realizes coal gas detection and alarm, and the gas concentration state detected is sent to central processing in real time
Device 1.One end of 4 pins of gas sensor QM-2 and 6 pins connection potentiometer R1, the centre tap concatenation operation of potentiometer R1
6 pins of amplifier LM339, simulation ground AGND connect simultaneously 5 leads ends of gas sensor QM-2, potentiometer R1 it is another
End, 12 leads ends of operational amplifier LM339, the collector of PNP type triode Q1, one end concatenation operation amplifier of resistance R2
7 pins of LM339,1 pin of operational amplifier LM339 connect simultaneously resistance R4 one end and photoelectrical coupler TLP521 2
Pin, the base stage of the other end connecting triode Q1 of resistance R4, the emitter while connecting luminous diode LED1 of triode Q1
Cathode, the cathode of diode D1, one end of the anode connection resistance R5 of Light-emitting diode LED 1, the other end of diode D1 connects
Connect one end of loud speaker BY, coal gas detection circuit power supply is+5V, and+5V connects 1 pin of gas sensor QM-2,2 draws simultaneously
Foot, 3 leads ends, the other end of resistance R2,3 leads ends of operational amplifier LM339, the other end of resistance R5, resistance R6 it is another
One end and resistance R7,1 pin of the other end connection photoelectrical coupler TLP521 of resistance R7, the 3 of photoelectrical coupler TLP521 draws
Foot connects one end of resistance R8 and the pin of S3C6410 processing chips, the other end connection power supply+3.3V of resistance R8, light simultaneously
4 pins of electric coupler TLP521 connect digitally DGND.
With reference to Fig. 3, the power supply circuit of gas sensor turns 5V by 12V, and 1 pin of three terminal regulator LM7805 is simultaneously
12V power supplys, one end of capacitance C1 are connected, 3 pins of three terminal regulator LM7805 connect one end of capacitance C2, and ground terminal GND is same
When connect capacitance C1 the other end/three terminal regulator LM7805 2 pins/capacitance C2 the other end.So that output end voltage
Stablize output 5V.
Suitable for the places such as family, laboratory, meeting room, prior typing needs to travel frequently over gate inhibition's the utility model
The image of personnel, after visitor pushes button, access control system carries out recognition of face to visitor, is compared with system image data storehouse
Compared with analysis, the door-lock opening if analysis result is the personnel in system database, otherwise system visitor image is passed through into nothing automatically
Whether line communication is sent on the mobile phone of administrator, opened by administrator's remote-control door lock, it is automatic after door-lock opening 10s on
Lock, and the gate signal of electric mortise lock detects a long-time and is not turned off meeting alarm and reminding.The access control system adds coal gas inspection
Device is surveyed, when detecting that gas concentration is higher than certain setting value, door-lock opening simultaneously sends alarm, improves the bursting tube of user
Reason convenient for user finds and makes emergency measure ahead of time.
Claims (4)
1. a kind of access control system for coal gas detection, which is characterized in that including central processing unit (1), camera (2), coal gas
Detection device (3), warning device (4), key-press module (5), display module (6), electric mortise lock (7), voice module (8) and mobile phone visitor
Family end (9)；The camera (2), electric mortise lock (7) and key-press module (5) are disposed in the outdoor, the coal gas detection device (3), report
Alarm device (4) and display module (6) are disposed in the interior；The camera (2), coal gas detection device (3), are pressed warning device (4)
Key module (5), display module (6), electric mortise lock (7), voice module (8) and cell-phone customer terminal (9) connection central processing unit (1).
A kind of 2. access control system for coal gas detection according to claim 1, which is characterized in that the coal gas detection device
(3) circuit includes gas sensor QM-2, operational amplifier LM339, triode Q1, photoelectrical coupler TLP521, light-emitting diodes
Pipe LED1, diode D1, loud speaker BY, potentiometer R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6 and resistance R7；
One end of 4 pins of gas sensor QM-2 and 6 pins connection potentiometer R1, the centre tap concatenation operation amplification of potentiometer R1
6 pins of device LM339, simulation ground AGND connect 5 leads ends of gas sensor QM-2, the other end of potentiometer R1, fortune simultaneously
12 leads ends of calculation amplifier LM339 and the collector of triode Q1, the 7 of one end concatenation operation amplifier LM339 of resistance R2
Pin, 1 pin of operational amplifier LM339 connect one end of resistance R4 and 2 pins of photoelectrical coupler TLP521, resistance simultaneously
The base stage of the other end connecting triode Q1 of R4, the emitter of triode Q1 while the cathode of connecting luminous diode LED1, two
The cathode of pole pipe D1, one end of the anode connection resistance R5 of Light-emitting diode LED 1, the other end connection loud speaker of diode D1
One end of BY, coal gas detection device (3) power supply are+5V, and+5V connects 1 pin of gas sensor QM-2,2 pins, 3 draws simultaneously
Foot, the other end of resistance R2,3 leads ends of operational amplifier LM339, the other end of resistance R5, resistance R6 the other end and
1 pin of the other end connection photoelectrical coupler TLP521 of resistance R7, resistance R7,3 pins of photoelectrical coupler TLP521 are simultaneously
Connect one end of resistance R8 and the pin of processing chip, the other end connection power supply+3.3V, photoelectrical coupler TLP521 of resistance R8
4 pins connection digitally DGND.
A kind of 3. access control system for coal gas detection according to claim 2, which is characterized in that the gas sensor
The power circuit of QM-2 includes three terminal regulator LM7805, capacitance C1 and capacitance C2；The power supply electricity of gas sensor QM-2
Routing 12V turns 5V, and 1 pin of three terminal regulator LM7805 connects 12V power supplys, one end of capacitance C1, three terminal regulator simultaneously
One end of the 3 pins connection capacitance C2 of LM7805, ground terminal GND connect the other end of capacitance C1, three terminal regulator simultaneously
2 pins of LM7805 and the other end of capacitance C2.
4. a kind of access control system for coal gas detection according to claim 1, which is characterized in that the camera (2) is adopted
With infrared camera, the display module (6) uses LCD display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721445888.5U CN207440986U (en) | 2017-11-02 | 2017-11-02 | A kind of access control system for coal gas detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721445888.5U CN207440986U (en) | 2017-11-02 | 2017-11-02 | A kind of access control system for coal gas detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207440986U true CN207440986U (en) | 2018-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721445888.5U Expired - Fee Related CN207440986U (en) | 2017-11-02 | 2017-11-02 | A kind of access control system for coal gas detection |
Country Status (1)
| Country | Link |
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| CN (1) | CN207440986U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109491265A (en) * | 2018-12-25 | 2019-03-19 | 合肥高新云制造研究院 | A kind of household safe control system based on Internet of Things |
| CN114387707A (en) * | 2021-12-07 | 2022-04-22 | 珠海格力电器股份有限公司 | Linkage control method and system, intelligent door lock, storage medium and electronic equipment |
-
2017
- 2017-11-02 CN CN201721445888.5U patent/CN207440986U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109491265A (en) * | 2018-12-25 | 2019-03-19 | 合肥高新云制造研究院 | A kind of household safe control system based on Internet of Things |
| CN114387707A (en) * | 2021-12-07 | 2022-04-22 | 珠海格力电器股份有限公司 | Linkage control method and system, intelligent door lock, storage medium and electronic equipment |
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Legal Events
| 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: 20180601 Termination date: 20191102 |
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| CF01 | Termination of patent right due to non-payment of annual fee |