Single-channel unattended safety check system control circuit

文档序号：1353173 发布日期：2020-07-24 浏览：20次中文

阅读说明：本技术 单通道无人值守安检系统控制电路 (Single-channel unattended safety check system control circuit ) 是由刘举柱于 2020-03-06 设计创作，主要内容包括：本发明属于安检系统技术领域,具体涉及一种单通道无人值守安检系统控制电路,包括DC12V电源,其正极通过开关K1分别连接至光电耦合器IC2的4脚,继电器J2,光电耦合器IC3的4脚,继电器J3,光电耦合器IC1的4脚,继电器J1,电阻R16,三极管Q10的集电极,以及,通过KA1继电器连接至继电器J4；光电耦合器IC2的2脚接地,1脚通过电阻R3连接至A2端,3脚连接至电阻R41,电阻R41的另一端连接至三极管Q6的集电极和三极管Q4的基极,所述三极管Q6的发射极接地,基极连接至电阻R4；三极管Q4的发射极接地,集电极连接至继电器J2；本发明提供的单通道无人值守安检系统控制电路,实现了单向无人值守安检的工作过程,可配合监控摄像头组合实现完全无人化安检通道管理。(The invention belongs to the technical field of security check systems, and particularly relates to a control circuit of a single-channel unattended security check system, which comprises a DC12V power supply, wherein the anode of the power supply is respectively connected to a pin 4 of a photoelectric coupler IC2 through a switch K1, a relay J2, a pin 4 of a photoelectric coupler IC3, a relay J3, a pin 4 of a photoelectric coupler IC1, a relay J1, a resistor R16, a collector of a triode Q10, and a relay J4 through a KA1 relay; a pin 2 of the photoelectric coupler IC2 is grounded, a pin 1 is connected to the A2 end through a resistor R3, a pin 3 is connected to a resistor R41, the other end of the resistor R41 is connected to a collector of a triode Q6 and a base of a triode Q4, an emitter of the triode Q6 is grounded, and the base is connected to the resistor R4; the emitter of the triode Q4 is grounded, and the collector of the triode Q4 is connected to the relay J2; the control circuit of the single-channel unattended security check system provided by the invention realizes the working process of one-way unattended security check, and can be matched with a monitoring camera to realize the complete unattended security check channel management.)

1. A single-channel unattended security check system control circuit is characterized by comprising a DC12V power supply, wherein the anode of the DC12V power supply is respectively connected to a pin 4 of a photoelectric coupler IC2, a relay J2, a pin 4 of a photoelectric coupler IC3, a relay J3, a pin 4 of a photoelectric coupler IC1, a relay J1, a resistor R16, a collector of a triode Q10 and a relay J4 through a KA1 relay;

the 2 pin of the photoelectric coupler IC2 is grounded, the 1 pin is connected to the A2 end through a resistor R3, the 3 pin is connected to a resistor R41, the other end of the resistor R41 is respectively connected to the collector of a triode Q6 and the base of a triode Q4, the emitter of the triode Q6 is grounded, and the base is connected to the resistor R4; the emitter of the triode Q4 is grounded, and the collector of the triode Q4 is connected to the relay J2;

the 2 pin of the photoelectric coupler IC3 is grounded, the 1 pin is connected to the A3 end through a resistor R5, the 3 pin is connected to a resistor R6, the other end of the resistor R6 is respectively connected to the collector of a triode Q1 and the base of a triode Q5, the emitter of the triode Q1 is grounded, and the base is connected to the resistor R2; the emitter of the triode Q5 is grounded, and the collector of the triode Q5 is connected to the relay J3;

the 2 pins of the photoelectric coupler IC1 are grounded, the 1 pin is connected to the A1 end through a resistor R24, and the 3 pins are respectively connected to a resistor R23 and a resistor R25; the other end of the resistor R23 is respectively connected to the base electrode of the triode Q17 and the collector electrode of the triode Q3; the emitter of the triode Q17 is grounded, the collector of the triode Q17 is respectively connected to the base electrodes of the resistor R13 and the triode Q11, the emitter of the triode Q3 is grounded, the base electrodes of the triode Q3 are respectively connected to the collector electrode of the triode Q2, and the resistor R34; the emitter of the triode Q2 is grounded, the base of the triode Q2 is connected to the resistor R1, and the other end of the resistor R1 is connected to the capacitor C1 and the cathode of the diode D1; the other end of the resistor R25 is connected to the base electrode of a triode Q18, the emitter electrode of the triode Q18 is grounded, and the collector electrode of the triode Q18 is connected to the relay J1;

the other end of the resistor R16 is connected to the base of a triode Q10 and grounded through a J3-1 normally open contact, the emitter of the triode Q10 is connected to a pin 1 of a unidirectional thyristor VT1 and connected to a resistor R15 through a J1-1 normally open contact, and a pin 3 of the unidirectional thyristor VT1 is connected to a resistor R14, a resistor R13 and the collector of the triode Q11; the other end of the resistor R15 is connected to a pin 2 of a unidirectional thyristor VT 1; the other end of the resistor R14 is grounded, the other end of the resistor R13 is connected to the base electrode of a triode Q11, and the collector electrode of a triode Q17;

the emitter of the triode Q11 is connected to the 1 pin of the one-way thyristor VT2, and is connected to the resistor R10 and the resistor R4 through the J4-1 normally open contact; the other end of the resistor R10 is connected to a pin 2 of a one-way thyristor VT2, a pin 3 of the one-way thyristor VT2 is connected to a resistor R11, a resistor R2, a resistor R34 and the anode of a diode D1 through a J2-1 normally-open contact; the other end of the resistor R11 is grounded, and the other end of the resistor R2 is connected to the base electrode of the triode Q1;

the other end of the relay J4 is grounded;

the positive electrode and the negative electrode of an inlet JA1 infrared ray correlation switch of the metal detection security check door and the positive electrode and the negative electrode of an outlet JA2 infrared ray correlation switch of the metal detection security check door are connected with 12V voltage, the metal detection door is electrified and started, the metal detection door is normally started and then a gate is electrified and started to be in a working state, the positive electrode and the negative electrode of a power supply of the gate inlet JA3 infrared ray correlation switch are connected with 12V voltage, the 3 pin of a signal output line of the JA1 infrared ray correlation switch is connected to the A1 end in the single-channel unattended security check system control circuit, the 3 pin signal output end of the JA2 infrared ray correlation switch is connected to the A2 end in the single-channel unattended security check system control circuit, the 3 pin signal output end of the JA3 infrared ray correlation switch is connected to the J3-normally open 2 contact of the relay J3 of the single-channel unattended security check system control circuit, the 4 pin and the 5 pin are connected into a switch opening signal circuit, and when the J3-2 normally open contact is closed, the switch is opened and a person can pass through the switch.

Technical Field

The invention belongs to the technical field of security check systems, and particularly relates to a control circuit of a single-channel unattended security check system.

Background

Disclosure of Invention

The invention aims to provide a control circuit of a single-channel unattended security check system.

In order to achieve the purpose, the invention adopts the following technical scheme:

a single-channel unattended security check system control circuit comprises a DC12V power supply, wherein the positive pole of the DC12V power supply is respectively connected to a pin 4 of a photoelectric coupler IC2, a relay J2, a pin 4 of a photoelectric coupler IC3, a relay J3, a pin 4 of a photoelectric coupler IC1, a relay J1, a resistor R16, a collector of a triode Q10 and a relay J4 through a KA1 relay;

the other end of the relay J4 is grounded;

Compared with the prior art, the control circuit of the single-channel unattended security check system provided by the invention realizes the working process of one-way unattended security check, and can be combined with a monitoring camera to realize the complete unattended security check channel management.

Drawings

Fig. 1 is a schematic circuit diagram of a control circuit of a single-channel unattended security system provided by the invention;

FIG. 2 is a schematic view of the arrangement of infrared correlation switches at the metal detection door and the gate;

fig. 3 is a schematic diagram of the connection of the infrared transmitter and the infrared receiver.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further clarified by combining the specific drawings.

Referring to fig. 1, 2 and 3, the present invention provides a control circuit of a single-channel unattended security inspection system, which includes a DC12V power supply, the positive electrode of which is connected to the 4 pins of a photocoupler IC2, a relay J2, the 4 pins of the photocoupler IC3, a relay J3, the 4 pins of a photocoupler IC1, a relay J1, a resistor R16, the collector of a triode Q10, and a relay J4 through KA1, respectively, through a switch K1;

the other end of the relay J4 is grounded;

The control circuit of the single-channel unattended security system consists of a metal detection security door matching gate and a single-channel unattended system control circuit; the working principle is explained in detail as follows:

firstly connecting the anode and cathode of an inlet JA1 infrared ray correlation switch of a metal detection security inspection door in FIG. 2 and the anode and cathode of an outlet JA2 infrared ray correlation switch of a metal detection door in FIG. 2 with 12V voltage, electrifying and starting up the metal detection door to enable the metal detection door to normally start up and work, electrifying and starting up a gate machine to be in a working state, connecting the power supply anode and cathode of the infrared ray correlation switch of an inlet JA3 of the gate machine with 12V voltage, simultaneously connecting a signal output line 3 pin of the JA1 infrared ray correlation switch in FIG. 2 to an A1 end in a single-channel unattended system control circuit, connecting a signal output end of A3 pin of a JA2 infrared ray correlation switch on the metal detection door in FIG. 2 to an A2 end in an unattended system control circuit diagram 1, and connecting a signal output end of A3 pin of a JA3 infrared ray correlation switch in FIG. 2 to a contact point 3-5 of a normally open contact point J3 of a relay J3 in the single-channel unattended system control circuit diagram 1 When the J3-2 normally open contact is connected in the electric furnace with the opening signal of the gate in FIG. 2, the gate is opened and the person can pass through the electric furnace. At this time, after the switch K1 in the single channel unattended system control circuit fig. 1 is turned on, the DC12V electricity is turned on through the switch K1 to the whole single channel unattended system control circuit.

The electronic factory will now be used to illustrate the operation and working principle:

when an employee A enters a confidential workshop and a precious metal production workshop of an electronic factory and needs to leave the workshop, in order to keep the workshop confidential and the safety of precious metal articles, after the employee A leaves the workshop, the metal article detection is carried out through a metal detection security inspection door, after the employee A leaves the workshop and passes through an infrared ray opposite emission switch JA1 which is an inlet of the metal detection security inspection door, the body of the employee A blocks a JA1 infrared ray opposite emission switch, an infrared ray signal emitted by an infrared ray of JA1 is blocked, a high level signal is output by a pin 3 of an infrared ray receiver of JA1 and is connected to a pin 1 of a photoelectric coupler IC1 through a resistor R24, a light emitting diode in the photoelectric coupler IC1 is electrified to work, a photoelectric triode in the infrared ray signal is transmitted to be conducted, the pin 3 of the photoelectric coupler IC1 outputs high level signals which are divided into two paths, one path is connected to a base of a triode Q17 through a resistor R23, and the triode Q17 is, the collector outputs the level, make the base of the triode Q11 in the low level, make the triode Q11 cut off, meanwhile, the high level that 3 feet of the optoelectronic coupler IC1 output is connected to the base of the triode Q18 through the resistance R25, make the triode Q18 conduct, the collector is in the low level makes the relay J1 get the electricity to work, make the J1-1 normally open contact pick up, make the 12V voltage that the emitter of the triode Q10 outputs through the J1-1 normally open contact pick up the 12V voltage after putting through and connecting to the trigger pin 2 feet of the unidirectional silicon controlled rectifier VT1 through the resistance R15, make the unidirectional silicon controlled rectifier VT1 be triggered and conducted, make the 3 feet of the unidirectional silicon controlled rectifier VT1 output 12V through the resistance R14 to the ground, make the unidirectional silicon controlled rectifier VT1 be triggered and locked, make the unidirectional silicon controlled rectifier VT1 keep the conducting state consistently, the 3 feet of the unidirectional silicon controlled rectifier VT1 output 12V voltage is connected to the base of the triode Q11 through the resistance R, the emitter outputs 12V voltage, at the moment, after a person leaves the JA1 infrared switch, the 3 pin of the infrared receiver of the JA1 infrared switch outputs low level, so that the 1 pin of the photoelectric coupler IC1 has no voltage, the internal light-emitting tube is not powered and works, the 3 pin of the photoelectric coupler IC1 outputs low level, the triode Q17 is cut off, the triode Q18 is also cut off, the relay J1 is powered off and does not work, the J1-1 normally-open contact is not attracted, but the one-way thyristor VT1 is locked and keeps in a conducting state at the moment.

When an employee A leaves the JA1 infrared switch, after passing through the metal detection door, if the metal detection security door gives an audible and visual alarm, the employee A indicates that metal articles are on the employee A, at the moment, the KA1 relay in the metal detection security door gives an alarm because the metal detection door detects the metal articles, the KA1 relay is powered on to work, the KA1-1 normally open contact of the KA1 relay is powered on to be connected, the 12V voltage is powered on to work through the KA1 relay to be connected with the relay J4, the relay J4 normally open contact is powered on to be powered on, the 12V voltage output by the emitter of the triode Q11 is connected to the 2 pin of the one-way thyristor VT2 through the resistor R10 after being connected through the J4-1 normally open contact, the one-way thyristor VT2 pin is triggered and conducted, the 3 pin outputs 12V voltage to the ground through the resistor R11, the one-way thyristor VT2 is locked and kept in a conducting state, at the moment, the 12V voltage output by the 3 pin, one path of voltage is connected to one end of a J2-1 normally open contact, and is simultaneously connected to a 2-pin trigger pin of a one-way thyristor VT2 through a resistor R34, so that the one-way thyristor VT2 is triggered and conducted, the 3-pin output 12V voltage enables the one-way thyristor to be locked and kept in a conducting state through a resistor R11 to the ground, the 12V voltage output by the 3-pin is divided into 2 paths, one path of voltage is connected to a base electrode of a triode Q3 through a resistor R34, the triode Q3 is conducted, a collector outputs a low level, the triode Q17 is in a cut-off state, the 3-pin of the one-way thyristor VT2 outputs 12V voltage, the other path of voltage is connected to a base electrode of a triode Q637 through a resistor R2, the triode Q1 is. When the employee A passes through the security inspection door and needs to pass through the JA2 infrared correlation switch, the pin 3 of the infrared receiver of the JA2 infrared correlation switch outputs a high level and is connected to the pin 1 of the photoelectric coupler IC2 through the end A2 and the resistor R3, so that the inner luminous tube of the photoelectric coupler IC2 is powered on and emits light to trigger the conduction of the inner photoelectric triode, the pin 3 outputs a high level and is connected to the base of the triode Q4 through the resistor R41, but the voltage of the base of the triode Q4 is still at a low level, because after the employee A passes through the metal detection security inspection door, the metal detection security inspection door sends out an acousto-optic alarm to enable the normally open contact of the KA1 relay, after the KA1-1 switch is attracted, the relay J4 is electrically attracted, the base of the triode Q6 is electrically connected through the resistor R4 while the normally open contact J4-1 of the relay 4 is attracted, the collector outputs a low level, so that the Q4 is still kept in a cut-off state, at this time, after the employee a passes through the JA2 external line mutual emission switch, the employee a enters a channel B (fig. 2) and then passes through a JA3 infrared emission switch, at this time, after the JA3 infrared emission switch is blocked by the employee a body, a high level is output from the 3 pin of the infrared receiver of the JA3 infrared emission switch, the high level is connected to the 1 pin of a photoelectric coupler IC3 through a resistor R5 through the A3 end, so that the photoelectric coupler IC3 emits light internally, a triode Q1 is conducted, A3 pin outputs a high level, the high level is connected to the base of a triode Q5 through a resistor R6, but because the triode Q1 is conducted, the base of the triode Q5 is clamped at a low level, the triode Q5 cannot be conducted, the relay J3 is still powered off and cannot be attracted, the J3-2 normally open contact is not conducted, so that the gate signal cannot be electrically opened, the gate cannot be opened, the employee a cannot pass through the gate workshop, at this time, the employee a returns, the employee a2 is opened through the infrared emission switch, when the JA2 infrared correlation switch is blocked by the employee A, the photoelectric coupler IC1 is powered to work through the resistor R3 at the end A2 of the 3-pin output high level of the infrared receiver, the 3-pin output high level is connected to the base electrode of the triode Q4 through the resistor R41, the triode Q4 is conducted, the triode Q6 is already cut off at the moment, after the employee A sends out an audible and visual alarm through the security door to stop the audible and visual alarm, the KA1-1 normally-open contact of the KA1 relay is in a cut-off state after the alarm of the security door is stopped, and therefore, the triode Q6 is already cut off at the moment. After a triode Q4 is conducted, a relay J2 is electrified to work, a J2-1 normally open contact is attracted and connected, 12V output by a pin 3 of a unidirectional silicon controlled rectifier VT3 is connected through a J2-1 normally open contact and then is conducted through a diode D1, 12V voltage is output to quickly charge a capacitor C1, the capacitor C1 is connected to a base electrode of a triode Q2 through a resistor R1, the triode Q2 is conducted, a collector outputs low level, the triode Q3 is cut off, at the moment, after an employee A leaves a JA2 infrared correlation switch, the relay J2 is disconnected after power failure, the J2-1 normally open contact is disconnected, at the moment, the charging voltage on the capacitor C1 is discharged to the base electrode of the triode Q2 through the resistor R1 to the ground, the triode Q2 is still conducted, the triode Q3 is still cut off, at the moment, the employee A returns to the JA 686 9 infrared correlation switch, the JA A outputs high level IC 8653 through a pin 3A resistor 82 24, the photoelectric coupler IC1 is powered to work, 3 pins output high level, the triode Q17 is conducted through the resistor R23, the collector is at low level, the base electrode of the triode Q11 is at low level, the triode Q11 is cut off, the emitter is at low level, 1 pin of the one-way thyristor VT2 has no voltage, the one-way thyristor VT2 is also in a cut-off state, the charging voltage of the capacitor C1 is discharged at the moment, and the triode Q2 is also in a cut-off state. When the employee A leaves the JA1 infrared ray opposite emission switch, the 3 pin of the infrared ray receiver outputs a low level to enable the photoelectric coupler IC1 to lose power and not work, the 3 pin does not output voltage to enable the triode Q17 to be cut off, the triode Q11 is conducted, the emitter outputs 12V voltage to be connected to the 1 pin of the one-way silicon controlled rectifier VT2, at the moment, the employee A has to take out all metal objects on the body and then passes through the metal detection door, the metal detection door does not alarm, at the moment, the relay in the KA1 metal detection door does not work, the relay J4 does not attract, the one-way silicon controlled rectifier VT2 is not conducted, the triode Q1 is not conducted, at the moment, the employee A passes through the 3 infrared ray opposite emission switch, the JA3 infrared ray opposite emission switch is blocked by the employee A body, the high level output by the 3 pin of the infrared ray receiver 3 passes through the A3 end and then enables the photoelectric coupler IC3 to electrically work through the JA, the 3 pin outputs a, the relay J3 works by electrifying, so that the J3-2 normally open contact and the J3-1 normally open contact are simultaneously attracted and switched on, after the J3-2 normally open contact is switched on, the gate machine obtains a signal, the gate machine is opened, and the employee A smoothly goes out of the workshop through the gate machine. After the J3-1 normally open contact is switched on, a triode Q10, a one-way thyristor VT1 and a triode Q11 are all cut off, when an employee A leaves the JA3 infrared correlation switch to exit the gate machine, no voltage output exists at the 3 pin of an infrared receiver of the JA3 infrared correlation switch, the photoelectric coupler IC3 is not powered and works, no voltage output exists at the 3 pin, the triode Q5 is cut off, the relay J3 is not powered and works, the J3-1 normally open contact and the J3-2 normally open contact are simultaneously cut off, after the J3-1 normally open contact is cut off, the base electrode of the triode Q10 is powered and conducted, after the J3-2 normally open contact is cut off, the gate machine is enabled to complete a starting process, and at the moment, the control circuit of the unattended security inspection system is restored to a standby single-channel working state.

The control circuit of the single-channel unattended security check system provided by the invention realizes the one-way unattended security check working process, and can be matched with a monitoring camera to realize the completely unattended security check channel management.

The foregoing shows and describes the general principles, essential features, and inventive features of this invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

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Single-channel unattended safety check system control circuit

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