CN112950914A - Silicon controlled rectifier control-based enclosure alarm system and alarm method - Google Patents

Abstract

The invention discloses a silicon controlled rectifier control-based enclosure alarm system and an alarm method, which comprises an integrated platform, a switch, an alarm controller, a light-operated switch control module, an IO control module, a network voice control module, a four-way silicon controlled rectifier alternating current load module, a four-way silicon controlled rectifier direct current load module, a power amplifier and an acousto-optic alarm component, wherein the switch is connected with the integrated platform; the sound and light alarm component at least comprises a first LED lighting load, a second LED lighting load, a first 24V direct current alarm lamp, a second 24V direct current alarm lamp, a first loudspeaker and a second loudspeaker; the invention uses the advantages of small size, high efficiency, long service life and the like of the controllable silicon as a high-power driving device to realize the control of high-power equipment by using a low-power control. And guide rail type equipment which is too bulky and is arranged in the conventional enclosure acousto-optic alarm system is integrated in a small control box in a centralized manner, so that the wiring is simple, and the link of disk matching and installation is omitted.

Description

Silicon controlled rectifier control-based enclosure alarm system and alarm method

Technical Field

The invention relates to the technical field of enclosure alarming, in particular to an enclosure alarming system and an enclosure alarming method based on silicon controlled rectifier control.

Background

In the prior airport flight area enclosure security alarm system acousto-optic linkage system, linkage equipment mainly comprises an electromagnetic relay to complete the linkage of sound and light. When receiving alarm signal or switching signal, the closed 24V DC power supply who switches on corresponding defence area or passageway electromagnetic relay of a plurality of normally open interfaces through alarm output, the actuation of relevant relay is put through 24V audible-visual annunciator, LED lighting circuit (the illumination of contactor formula street lamp), broadcasting system respectively and is reached the linkage purpose, and electromagnetic relay has some places that are not enough in using, mainly is as follows:

1. flexibility and scalability limitations: the control of the relay is realized by hardware wiring, a control logic is formed by combining the hysteresis action of the series or parallel pole delay relay of the mechanical contact of the relay, and the like, the wiring is more and complicated, the volume is large, the power consumption is large, and after the system is formed, the function is difficult to change or increase. In addition, the number of relay contacts is limited, so that the flexibility and the expandability of the relay control system are greatly limited.

2. The working modes are parallel: in the relay control circuit, when the power is switched on, all relays in the circuit are in a restrained state, namely, the attracted relays are attracted at the same time, the relays which are not attracted can not be attracted due to the limitation of a certain condition, and the working mode is a parallel working mode.

3. Controlling the speed difference: the relay control system is realized by relying on the action of mechanical contacts, the working frequency is low, the switching action of the contacts is generally in the order of tens of milliseconds, and the problem of shaking of the mechanical contacts can also occur.

4. Poor reliability and maintainability: because the relay control system uses a large number of mechanical contacts, the number of connecting lines is large, mechanical abrasion, arc burning and other phenomena exist when the contacts are opened and closed, the service life of the contacts is short, and the reliability and the maintainability are poor.

Disclosure of Invention

The invention aims to provide a silicon controlled rectifier control-based enclosure alarm system and an alarm method, which aim to solve the problems in the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: the enclosure alarm system based on the silicon controlled rectifier control comprises an integrated platform, a switch, an alarm controller, a light-operated switch control module, an IO control module, a network voice control module, a four-way silicon controlled rectifier alternating current load module, a four-way silicon controlled rectifier direct current load module, a power amplifier and an acousto-optic alarm component; the sound and light alarm component at least comprises a first LED lighting load, a second LED lighting load, a first 24V direct current alarm lamp, a second 24V direct current alarm lamp, a first loudspeaker and a second loudspeaker;

the integrated platform is respectively connected with the input ends of the alarm controller and the IO control module through the switch, and the output end of the IO control module is respectively connected with the input ends of the network voice control module, the four-way silicon controlled rectifier alternating current load module and the four-way silicon controlled rectifier direct current load module; the output end of the network voice control module is connected with the input end of the power amplifier, and the output end of the power amplifier is respectively connected with the input ends of the first loudspeaker and the second loudspeaker; the input end of the four-way silicon controlled rectifier alternating current load module is connected with the output end of the light-operated switch control module, and the output end of the four-way silicon controlled rectifier alternating current load module is respectively connected with the input ends of the first LED lighting load and the second LED lighting load; and the output ends of the four-way silicon controlled direct current load module are respectively connected with the input ends of the first 24V direct current warning lamp and the second 24V direct current warning lamp.

Preferably, in the technical scheme, the alarm controller, the photoswitch control module, the IO control module, the network voice control module, the four-way thyristor ac load module, and the four-way thyristor dc load module are integrated on the same PCB; after the PCB is installed in the alarm system box body, the alarm system box body comprises a rear panel, a front panel and a front panel, wherein the rear panel, the front panel and the front panel are connected in an assembling mode.

Preferably, in the technical scheme, the front panel is divided into a left interval module, a middle interval module and a right interval module; the four-way silicon controlled rectifier alternating current load module and the four-way silicon controlled rectifier direct current load module are arranged and distributed in the middle, and the IO control module and the 24V switching power supply are arranged.

Preferably, in the technical scheme, the IO control module at least includes an IO module, an IO module network port, a photoresistor external interface, a switching value input external interface, an alarm lamp external interface, a voice module control interface, an auxiliary lighting output interface and an IO module working power supply; the photosensitive resistor external interface, the switching value input external interface, the warning lamp external interface, the voice module control interface, the auxiliary lighting output interface and the IO module working power supply are electrically connected with the IO module.

Preferably, in this technical solution, the four-way scr ac load module is electrically connected to the photoswitch control module, the IO module, and the auxiliary lighting output interface respectively.

Preferably, in the technical scheme, the four-way scr dc load module is electrically connected to the photoswitch control module, the IO module, the warning lamp external interface, the voice module control interface, the first 24V dc warning lamp, and the second 24V dc warning lamp, respectively.

The invention also aims to provide an alarm method of the enclosure alarm system based on the controlled silicon control, which comprises the following steps:

s10, the alarm controller receives the front-end alarm information, and the alarm information is processed by the alarm processor and then sent to the integrated platform through the switch;

s20, the integrated platform receives the alarm information, processes the alarm information, generates a linkage instruction and sends the linkage instruction to the IO control module through the switch;

s30, the IO control module receives the linkage instruction and then sends a closing instruction to the normally open end of the IO output end, and the four-path silicon controlled rectifier alternating current load module, the four-path silicon controlled rectifier direct current load module and the 24V working power supply are respectively connected;

s40, the IO control module starts the silicon controlled module to perform acousto-optic alarm linkage work;

and S50, after the alarm is relieved, the integrated platform sends a signal to the IO control module through the switch, the output end is normally open, the silicon controlled rectifier stops working, the LED lighting and the warning lamp do not work any more, and the network voice module stops playing the broadcast information.

Preferably, in the technical scheme, in the step S30, the IO control module receives the linkage instruction and then sends a close instruction to the IO output end normally open end, the 220V power switch is started to connect the commercial power AC220V and the 220V power interface to respectively supply power to the direct-current 24V switching power supply and the IO module, and meanwhile, the 24V switching power supply is connected and supplies power to the thyristor direct-current control module and the 24V direct-current warning lamp output power supply.

Preferably, in the present invention, the step S40 includes the following steps:

s41, the 24V direct current of the silicon controlled rectifier direct current load module is connected with a warning lamp load circuit of a corresponding defense area, the first 24V direct current warning lamp of the defense area 1 and the direct current warning lamp of the defense area 2 are electrified, and the warning lamps work;

and S42, the light control module judges the brightness of the ambient light and the set threshold value.

Preferably, in the present technical solution, in step S42, the determining, by the light control module, the brightness of the ambient light and the magnitude of the set threshold includes the following steps:

s421, when the ambient light is on the set threshold, the module light-operated control module outputs power failure to the four-way silicon controlled rectifier alternating current load; the four-way silicon controlled rectifier alternating current load module does not work;

s422, when the ambient light is darker than a set threshold value, outputting 24V voltage to the four-way silicon controlled rectifier alternating current load module, and switching on the first LED lighting load and the second LED lighting load;

and S423, when the steps S421 and S422 are carried out, the IO control module simultaneously controls signals to the network voice module, the network voice module outputs broadcast information to the power amplifier, and the power amplifier pushes the loudspeaker to work.

Compared with the prior art, the invention has the following beneficial effects:

1. the enclosure alarm system and the alarm method based on the silicon controlled rectifier control are suitable for indoor and outdoor public places with various monitoring requirements. Such as airports, armies, prisons, warehouses, oil depots, residential quarters and other outdoor public places, can effectively eliminate the interference caused by severe weather, and has small and convenient installation and beautiful and elegant appearance.

2. The invention utilizes the advantages of small size, high efficiency, long service life and the like of the controllable silicon as a high-power driving device, realizes the control of high-power equipment by using a low-power control element, can integrate guide rail type equipment which is too bulky and is arranged in the traditional enclosure acousto-optic alarm system into a small control box, has simple wiring and saves the link of disk matching and installation.

Drawings

FIG. 1 is a system architecture diagram of the present invention;

FIG. 2 is a schematic view of the integration of the modules of the system of the present invention on a PCB board;

FIG. 3 is a wiring schematic of the module and device of FIG. 2 of the present invention;

fig. 4 is a circuit diagram of a photoswitch control module according to an embodiment of the present invention;

FIG. 5 is a circuit diagram of a SCR AC load module according to the present invention;

FIG. 6 is a first flow chart of an alarm method of the present invention;

FIG. 7 is a flow chart of an alarm method of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.

It should be understood that, in various embodiments of the present invention, the sequence numbers of the processes do not mean the execution sequence, and the execution sequence of the processes should be determined by the functions and the internal logic of the processes, and should not constitute any limitation on the implementation process of the embodiments of the present invention.

It should be understood that in the present application, "comprising" and "having" and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It should be understood that, in the present invention, "a plurality" means two or more. "and/or" is merely an association describing an associated object, meaning that three relationships may exist, for example, and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "comprises A, B and C" and "comprises A, B, C" means that all three of A, B, C comprise, "comprises A, B or C" means that one of A, B, C comprises, "comprises A, B and/or C" means that any 1 or any 2 or 3 of A, B, C comprises.

It should be understood that in the present invention, "B corresponding to a", "a corresponds to B", or "B corresponds to a" means that B is associated with a, and B can be determined from a. Determining B from a does not mean determining B from a alone, but may be determined from a and/or other information. And the matching of A and B means that the similarity of A and B is greater than or equal to a preset threshold value.

As used herein, "if" may be interpreted as "at … …" or "when … …" or "in response to a determination" or "in response to a detection", depending on the context.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; details of the same or similar concepts or processes may not be repeated in some embodiments.

Referring to fig. 1-3, the thyristor-controlled enclosure alarm system of the present invention includes an integrated platform 100, a switch 101, an alarm controller 102, a photoswitch control module 104, an IO control module 105, a network voice control module 106, a four-way thyristor ac load module 107, a four-way thyristor dc load module 108, a power amplifier 109, and an acousto-optic alarm module; the audible and visual alarm assembly at least comprises a first LED lighting load 110, a second LED lighting load 111, a first 24V direct current alarm lamp 112, a second 24V direct current alarm lamp 113, a first loudspeaker 114 and a second loudspeaker 115.

Referring to fig. 1 in detail, in the thyristor-controlled based enclosure alarm system, an integrated platform 100 is connected to input ends of an alarm controller 102 and an IO control module 105 through a switch 101, respectively, and an output end of the IO control module 105 is connected to input ends of a network voice control module 106, a four-way thyristor ac load module 107 and a four-way thyristor dc load module 108, respectively; the output end of the network voice control module 106 is connected with the input end of the power amplifier 109, and the output end of the power amplifier 109 is respectively connected with the input ends of the first loudspeaker 114 and the second loudspeaker 115; the input end of the four-way thyristor alternating current load module 107 is connected with the output end of the photoswitch control module 104, and the output end of the four-way thyristor alternating current load module 107 is respectively connected with the input ends of the first LED lighting load 110 and the second LED lighting load 111; the output end of the four-way thyristor dc load module 108 is connected with the input ends of a first 24V dc alarm lamp 112 and a second 24V dc alarm lamp 113, respectively.

In order to greatly improve the current situation that the existing enclosure alarm system is large in size and large in occupied area, the invention integrates all modules in a light weight and electronic manner, namely all modules are integrated on the same PCB (printed circuit board), and as shown in the specific figures 2 and 3, the PCB comprises a rear panel 1, a front panel 2 and a front panel 3 after being arranged in an alarm system box body, and the rear panel 1, the front panel 2 and the front panel 3 are connected in a split assembly manner; for facilitating the line connection and the installation and adaptation with the system box body, the front panel 2 is divided into a left interval module, a middle interval module and a right interval module, wherein the four silicon controlled ac load modules 107 and the four silicon controlled dc load modules 108 are arranged and distributed in the middle, and the IO control modules 105 and the 24V switching power supplies (including the first 24V switching power supply 116 and the second 24V switching power supply 117) are arranged and distributed on the left side and the right side. Further preferably, in this application, the IO control module 105 at least includes an IO module 51, an IO module network interface 52, a photo resistor external interface 53, a switching value input external interface 54, a warning lamp external interface 55, a voice module control interface 56, an auxiliary lighting output interface 57, and an IO module working power supply 58, which are electrically connected to the IO module 51, like the IO module network interface 52, the photo resistor external interface 53, the switching value input external interface 54, the warning lamp external interface 55, the voice module control interface 56, the auxiliary lighting output interface 57, and the IO module working power supply shown in fig. 3, and a specific connection line of the connection line is connected in a matching manner according to a pin function of a control chip of the selected IO module 51. Furthermore, the IO module 51 in the present invention may be an integrated IO control module at least including an 8AI/4DI/4DO acquisition module, for example, an integrated IO module based on an 8AI/4DI/4DO acquisition module of Modbus, and may access 0 to 20mA or 4 to 20mA analog quantity signals output by 8 temperature, humidity, and light brightness sensors, and have 4 digital quantity input channels and 4 relay output channels; the Modbus RTU protocol of the support standard to have the overtime detection function of communication, can be used with other equipment following the Modbus RTU protocol jointly, make control communication more swift, quick. Because terminal and dial switch, power and communication terminal digital quantity input terminal object shooting communication protocol M-3004 module follow standard MODBUS RTU agreement, the detailed information of MODBUS communication protocol please see MODBUS standardization organization website: whereas MODBUS communication mode MODBUS protocol uses a query/response communication mode. The MODBUS master station device sends a request message to the slave station device with the selected address, wherein the message contains the operation required by the master station to be executed by the slave station and any additional information required for completing the operation. And after receiving the request message, the selected slave station executes the specified operation in the message and sends a response message according to the execution result. If the operation is completed correctly, responding to the normal message; and if an error occurs in the execution process, responding to the error message so as to ensure the accuracy of information transmission. In addition, the function code M-3004 supported by the module supports function codes of No. 02, No. 03, No. 04, No. 15 and No. 16, and the function codes are compared according to the input quantity of different numbers to obtain a judgment result, and the judgment result is converted into an execution instruction to be transmitted to the execution module, so that the execution module can respond in time. Furthermore, if for subsequent capacity expansion and device replacement, in the present invention, the IO module 51 may also select a CC-Link distributed bus I/O control module to Link the distributed I/O modules, special function modules, and the like by using a dedicated cable, where the number of the sites linked at most in each system is 64, and the number of the links of each remote station or local station is: 32 remote inputs (RX) and 32 remote outputs (RY), 4 remote write registers (Rww) and 4 remote read registers (Rwr), and controls an efficient, high-speed distributed field bus system of these respective modules by the CPU of the PLC. Due to the multiple inputs and outputs, and the implementation of the Q-series PLCC-LINK communication method at most per system, 512 remote registers, each of which can handle at most 4096 remote I/O points, are available, with remote input (RX) registers RW (including remote write registers RWw and remote read registers RWr). The system can save wiring of the whole system by dispersing each module into equipment such as a transmission production line and machinery, can realize simple high-speed communication by using the module for processing ON/OFF data such as I/O or digital data, can also be linked with various different equipment of other manufacturers, has more flexibility, and is very suitable for large-space areas such as airports, military districts, cells and the like.

Further, as shown in fig. 3, the four-way scr ac load module 107 is electrically connected to the photoswitch control module 104, the IO module 51, and the auxiliary lighting output interface 57, respectively. The four-way thyristor ac load module 107 is used for connecting 220V ac to a corresponding defense area LED load circuit, so that the LED lighting lamp operates, and the principle thereof is a thyristor switching principle, specifically, for example, diodes D1-D4 shown in fig. 4 constitute a bridge rectifier circuit, and a bipolar diode T1 constitutes a relaxation oscillator as a synchronous trigger circuit of the thyristor. When the voltage regulator is connected with a mains supply, 220V alternating current is rectified by diodes D1-D4 through a load resistor RL, a pulsating direct current voltage is formed at two ends of A, K of the silicon controlled rectifier SCR, and the voltage is reduced by a resistor R1 and then is used as a direct current power supply of the trigger circuit. During the positive half cycle of the alternating current, the rectified voltage charges the capacitor C through R4 and W1. When the charging voltage Uc reaches the peak voltage Up of the T1 tube, the T1 tube is turned from OFF to ON, and the capacitor C is rapidly discharged through the e, b1 junction of the T1 tube and the R2, resulting in a sharp pulse at R2. This pulse is sent as a control signal to the control electrode of the thyristor SCR to turn on the thyristor. The tube voltage drop after the thyristor is conducted is very low, generally less than 1V, so that the relaxation oscillator stops working. When the alternating current is switched on to a zero point, the silicon controlled rectifier is automatically switched off. When the ac power is in the negative half cycle, the capacitor C is recharged … … and the power on the load RL is adjusted. When the components are selected, the regulating potentiometer of the voltage regulator is a WH114-1 type synthetic carbon film potentiometer with the resistance value of 470K omega, the potentiometer can be directly welded on a circuit board, and except a metal film resistor with the power of 1W, which is used for R1, a carbon film resistor with the power of 1/8W is used for the rest resistors. D1-D4 are silicon rectifier diodes with reverse breakdown voltage larger than 300V and maximum rectification current larger than 0.3A, such as 2CZ21B, 2CZ83E, 2DP3B, etc. The SCR selects a silicon controlled rectifier device with forward and reverse voltages larger than 300V and rated average current larger than 1A, such as the example of the domestic 3CT system. In this application, the four-way scr ac load module 107 selects the scr module with the model of MTC160A and others from the market, or selects the four-way parallel circuit disclosed in the "an ac load switch using bidirectional scr" of the chinese utility model with application number 201320194406.9 to realize, or can set each way separately, and when set separately, the four-way scr ac load module 107 is composed of four ways, and each way is connected with the corresponding switch control load separately.

Further, referring to fig. 3 in detail, the four-way scr dc load module 108 is electrically connected to the photoswitch control module 104, the IO module 51, the warning lamp external interface 55, the voice module control interface 56, the first 24V dc warning lamp 112, and the second 24V dc warning lamp 113, respectively. The thyristor DC load module also belongs to a switch module, and the principle is that a forward voltage is applied between an anode A and a cathode K of the thyristor, a forward trigger voltage is input between a control electrode G and the cathode K of the thyristor, the button switch is released after the thyristor is conducted, the trigger voltage is removed, the conduction state is still maintained, and the thyristor can not be disconnected until the voltage is zero. In this application, the four-way scr dc load module 108 selects the scr module with model number MTC200A and others on the market, or selects the circuit disclosed in the chinese utility model patent with application number 201620257333.7, namely, "a dc load control device with flashing LED" to realize the four-way scr dc load module, the four-way scr dc load module 108 can be connected in parallel or can be set independently for each way, and the four-way scr dc load module 108 is composed of four ways when set independently, and each way is connected with corresponding switch control load independently.

Further, as shown in fig. 3, the photoswitch control module 104 is electrically connected to the IO module 51, the external photoresistor interface 53, the external switching value input interface 54, the four-way scr dc load module 108, the first 24V switching power supply 116, and the first 24V switching power supply 117, respectively. The photoswitch control module 104 is mainly characterized in that the light is emitted in the daytime, the bulb is not bright, the light is dim at night, the circuit is automatically electrified, and the bulb is bright. The operating principle of the photoswitch control module 104 is the same as that shown in fig. 5 (prior art), that is, under strong illumination in daytime, the resistance value of two ends of a light pipe 227A (a photoresistor) is very small, about 20-50k Ω, a transistor VT2 obtains base current to be conducted, a VT1 obtains positive bias voltage from R2 to be conducted, a relay coil KA is electrified, normally closed electric contacts of the relay are cut off, and two thyristors V1 and V2 are not conducted without trigger signals, so that a bulb EL is not bright. When the night curtain drops, the resistance value of the light guide pipe 227A is continuously increased along with the reduction of the illumination intensity, and finally the resistance value can reach about 1M omega, VT1 is cut off because of too small base current, VT1 is correspondingly cut off, the relay KA loses power and releases, normally closed electric shock is closed, the thyristors V1 and V2 are in a bidirectional conduction state because of the two control connections, the power supply is connected, and the illuminating lamp is on. The capacitor C3 is used to prevent the lighting lamp from going out due to the instantaneous strong light interference at night. When the brightness intensity changes slowly at the critical point accessory, the relay is easy to shake to make the light flash, and the C2 can filter out the pulse current to avoid the flash of the lighting lamp. In the present invention, the photoswitch control module 104 is preferably a commercially available photoswitch that is adapted to the alarm controller 102, the photoswitch control module 104, the IO control module 105, and the like, and is not limited to a specific model and specification.

Further, the alarm controller 102 is responsible for controlling and managing the working state of the local alarm system; the signals sent by the IO control module 105 are collected, logic analysis is made according to the type of the defense area where the signals are input and the working state (arming/disarming) of the host, and then local alarm signals are sent out, meanwhile, specific alarm information is sent to the integrated platform 100 through a communication network, and only an adaptive alarm controller sold on the market can be selected, and no limitation requirements are made on the type and specification of the alarm controller.

Further, the integrated platform 100 may be a management platform of a "perimeter alarm system" developed by an electronic branch company of the second institute of civil aviation (abbreviated as "civil aviation second institute") of the china civil aviation bureau. The software system is a set of very high-reliability software system, and the software system and the data analysis server jointly realize a double-link redundancy storage scheme, when the management platform crashes for some reason, the data analysis server can automatically establish connection with the database server, store timely alarm information, and cannot leave any monitoring hole, so that the safety and reliability of the enclosure monitoring are greatly improved. The data analysis server provides other external data information for the management platform, and the management platform analyzes the data and finally presents the data in front of the user through a humanized interface. The management platform provides diversified data processing, inquiring and counting functions, and a user can select a data counting presentation mode according to own preference, so that data management is easier. The management platform has the advantages of humanized interface design, diversified function presentation and simplified user operation, and is implanted into the platform by the GIS technology, so that the monitoring management platform with visualized monitoring and accurate positioning is realized. The method can be used for easily mastering accurate alarm information at any time without professional training by operators, so that the safety management work of the enclosure is easier, and the display interface of the functional module of the software system can be adjusted to be matched with each module selected in the application on the basis of an enclosure alarm system management platform independently developed by electronic branch companies of the second institute of civil aviation (civil aviation second institute for short), but the algorithm and the signal processing technology are realized by adopting the prior art.

Further, other components such as the switch, the power amplifier, the external interface 54 for the switching value input, the external interface 55 for the warning lamp, the voice module control interface 56, the auxiliary lighting output interface 57, the IO module operating power supply 58, the network voice control module 106, etc. are not described in detail, and since they all belong to the existing mature electronic components, they are implemented by using the existing technology according to the adaptation principle, and will not be described in detail herein.

When the enclosure alarm system based on the silicon controlled rectifier control works, the alarm is given according to the method shown in the figures 6 and 7, and the method specifically comprises the following steps:

s10, the alarm controller receives the front-end alarm information, and the alarm information is processed by the alarm processor and then sent to the integrated platform through the switch;

more particularly, after the front-end detection sensing assembly detects the boundary-crossing object, the information such as the boundary-crossing object image and the position is sent to the alarm controller 102, and the alarm controller 102 processes the boundary-crossing object information to generate an alarm signal and sends the alarm signal to the integrated platform 100 through the switch 101 for analysis and processing. For example, when the front-end detector detects that a person or a conductor approaches the front-end detector in a capacitance disturbance mode, the distributed capacitance Cs between the sensing cable and the ground and the distributed capacitance Cgs between the sensing cable and the transmitting cable are changed, so that the sensing voltage on the sensing cable is changed, and the alarm controller 102 analyzes the change of the signal on the sensing cable to judge whether an intrusion behavior of the enclosure exists.

S20, the integrated platform receives the alarm information, processes the alarm information, generates a linkage instruction and sends the linkage instruction to an IO control module (also called IO controller) through a switch;

more specifically, the integrated platform 100 adopts friendly human-computer interfaces such as Windows, and can perform defense spreading and deploying on the defense area, perform real-time online monitoring, automatically process, store, generate linkage instructions for the acquired detection alarm information, and send the linkage instructions to the IO controller. For example, after receiving the alarm information (signal) with the intrusion into the enclosure sent by the alarm controller 102, the integration platform 100 may perform an algorithm calculation on the signal, for example, enter a digital signal processor after sequentially performing a voltage division unit, a true effective value calculation unit, a difference unit, and an AD conversion unit, to obtain a stable and reliable correct identification frame signal, and convert the signal into a linkage execution instruction (normally open end closed instruction) to send the command to the IO controller.

S30, the IO controller receives the linkage instruction and then sends a closing instruction to the normally open end of the IO output end, and the four-way silicon controlled rectifier alternating current load module, the four-way silicon controlled rectifier direct current load module and the 24V working power supply are respectively connected;

more specifically, the IO controller receives a linkage instruction and then sends a closing instruction to the normally open end of the IO output end, the 220V power switch 119 is started to connect the commercial power AC220V with the 220V power interface 118 to respectively supply power to the direct-current 24V switching power supply, the IO module and the alternating-current load, and meanwhile, the 24V switching power supply is connected to supply power to the thyristor direct-current control module and supply power to the 24V direct-current warning lamp.

S40, the IO controller starts the silicon controlled module to perform acousto-optic alarm linkage work, and more particularly, the method comprises the following steps:

s41, the 24V direct current of the silicon controlled rectifier direct current load module is connected with a warning lamp load circuit of a corresponding defense area, the first 24V direct current warning lamp 112 of the defense area 1 and the direct current warning lamp 112 of the defense area 2 are powered on, and the warning lamps work;

s42, the light control module judges the brightness of the ambient light and the set threshold value, and then starts step S421 or step S422;

s421, when the ambient light is on the set threshold, the module light-operated control module outputs power failure to the four-way silicon controlled rectifier alternating current load; at this moment, the four silicon controlled rectifier alternating current load modules do not work, the LED illuminating lamps of the first LED illuminating load 110 of the defense area 1 and the second LED illuminating load 111 of the defense area 2 do not work, the requirement that light is not required to be supplemented for the camera by LED illumination when light is sufficient in the daytime is met, and power consumption is reduced.

S422, when the ambient light is darker than a set threshold value, outputting 24V voltage to the four-way silicon controlled rectifier alternating current load module, and switching on the first LED lighting load 110 in the defense area 1 and the second LED lighting load 111 in the defense area 2 to enable the LED lighting lamps to be lightened;

and S423, the IO control module simultaneously gives a control signal to the network voice module, the network voice module outputs broadcast information to the power amplifier, and the power amplifier pushes the loudspeaker to work.

And S50, after the alarm is relieved, the integrated platform sends a signal to the IO module through the switch, the output end is normally open, the silicon controlled rectifier stops working, the LED lighting and the warning lamp do not work any more, and the network voice module stops playing the broadcast information.

More specifically, after the alarm is relieved, the integrated platform sends a signal to the IO module through the switch, and the output end is normally open. The four-way silicon controlled rectifier alternating current load module and the four-way silicon controlled rectifier direct current load lose high level and become low level, the silicon controlled rectifier stops working, the LED illumination and the warning lamp do not work any more, and meanwhile the network voice module stops the power amplifier 109 and the first loudspeaker 114 and the second loudspeaker 115 to play broadcast information.

In summary, the enclosure alarm system and the enclosure alarm method based on the silicon controlled rectifier control can be suitable for indoor and outdoor public places with various monitoring requirements. Such as airports, armies, prisons, warehouses, oil depots, residential quarters and other outdoor public places, can effectively eliminate the interference caused by severe weather, and has small and convenient installation and beautiful and elegant appearance. And the controllable silicon has the advantages of small volume, high efficiency, long service life and the like, is used as a high-power driving device, realizes the control of high-power equipment by using a low-power control, can integrate guide rail type equipment which is too bulky and is large in electric equipment in the existing enclosure acousto-optic alarm system in a small control box in a centralized manner, has simple wiring and saves a disk matching installation link.

The component structures, connection relationships, operation principles, and the like, which are not described in the present embodiment, are realized by using the prior art, and a description thereof will not be repeated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A silicon controlled rectifier control-based enclosure alarm system is characterized by comprising an integrated platform, a switch, an alarm controller, a light-operated switch control module, an IO control module, a network voice control module, a four-way silicon controlled rectifier alternating current load module, a four-way silicon controlled rectifier direct current load module, a power amplifier and an acousto-optic alarm component; the sound and light alarm component at least comprises a first LED lighting load, a second LED lighting load, a first 24V direct current alarm lamp, a second 24V direct current alarm lamp, a first loudspeaker and a second loudspeaker;

the integrated platform is respectively connected with the input ends of the alarm controller and the IO control module through the switch, and the output end of the IO control module is respectively connected with the input ends of the network voice control module, the four-way silicon controlled rectifier alternating current load module and the four-way silicon controlled rectifier direct current load module; the output end of the network voice control module is connected with the input end of the power amplifier, and the output end of the power amplifier is respectively connected with the input ends of the first loudspeaker and the second loudspeaker; the input end of the four-way silicon controlled rectifier alternating current load module is connected with the output end of the light-operated switch control module, and the output end of the four-way silicon controlled rectifier alternating current load module is respectively connected with the input ends of the first LED lighting load and the second LED lighting load; and the output ends of the four-way silicon controlled direct current load module are respectively connected with the input ends of the first 24V direct current warning lamp and the second 24V direct current warning lamp.

2. The silicon controlled rectifier control-based enclosure alarm system according to claim 1, wherein the alarm controller, the photoswitch control module, the IO control module, the network voice control module, the four-way silicon controlled rectifier alternating current load module and the four-way silicon controlled rectifier direct current load module are integrated on the same PCB; after the PCB is installed in the alarm system box body, the alarm system box body comprises a rear panel, a front panel and a front panel, wherein the rear panel, the front panel and the front panel are connected in an assembling mode.

3. The silicon controlled rectifier control-based enclosure alarm system as claimed in claim 2, wherein the front panel is divided into a left interval module, a middle interval module and a right interval module; the four-way silicon controlled rectifier alternating current load module and the four-way silicon controlled rectifier direct current load module are arranged and distributed in the middle, and the IO control module and the 24V switching power supply are arranged.

4. The silicon controlled rectifier control-based enclosure alarm system according to claim 3, wherein the IO control module at least comprises an IO module, an IO module network port, a photoresistor external interface, a switching value input external interface, an alarm lamp external interface, a voice module control interface, an auxiliary lighting output interface and an IO module working power supply; the photosensitive resistor external interface, the switching value input external interface, the warning lamp external interface, the voice module control interface, the auxiliary lighting output interface and the IO module working power supply are electrically connected with the IO module.

5. The silicon controlled rectifier control-based enclosure alarm system according to claim 4, wherein the four-way silicon controlled rectifier alternating current load module is electrically connected with the light control switch control module, the IO module and the auxiliary lighting output interface respectively.

6. The silicon controlled rectifier control-based enclosure alarm system according to claim 4, wherein the four-way silicon controlled rectifier direct current load module is electrically connected with the light control switch control module, the IO module, the warning lamp external interface, the voice module control interface, the first 24V direct current warning lamp and the second 24V direct current warning lamp respectively.

7. The alarm method of the enclosure alarm system based on the thyristor control as claimed in any one of claims 1 to 6, characterized by comprising the following steps:

s10, the alarm controller receives the front-end alarm information, and the alarm information is processed by the alarm processor and then sent to the integrated platform through the switch;

s20, the integrated platform receives the alarm information, processes the alarm information, generates a linkage instruction and sends the linkage instruction to the IO control module through the switch;

s30, the IO control module receives the linkage instruction and then sends a closing instruction to the normally open end of the IO output end, and the four-path silicon controlled rectifier alternating current load module, the four-path silicon controlled rectifier direct current load module and the 24V working power supply are respectively connected;

s40, the IO control module starts the silicon controlled module to perform acousto-optic alarm linkage work;

and S50, after the alarm is relieved, the integrated platform sends a signal to the IO control module through the switch, the output end is normally open, the silicon controlled rectifier stops working, the LED lighting and the warning lamp do not work any more, and the network voice module stops playing the broadcast information.

8. The alarm method according to claim 7, wherein in the step S30, the IO control module receives the linkage command and then sends a close command to the IO output normally open end, the 220V power switch is started to connect the AC220V and the 220V power interface to respectively supply power to the dc 24V switch power supply and the IO module, and simultaneously the 24V switch power supply is connected to supply power to the scr dc control module and the 24V dc warning lamp output.

9. The alarm method according to claim 7, wherein in the step S40, the method comprises the steps of:

s41, the 24V direct current of the silicon controlled rectifier direct current load module is connected with a warning lamp load circuit of a corresponding defense area, the first 24V direct current warning lamp of the defense area 1 and the direct current warning lamp of the defense area 2 are electrified, and the warning lamps work;

and S42, the light control module judges the brightness of the ambient light and the set threshold value.

10. The alarm method of claim 9, wherein the determining, by the light control module, the ambient light brightness and the set threshold in step S42 includes the following steps:

s421, when the ambient light is on the set threshold, the module light-operated control module outputs power failure to the four-way silicon controlled rectifier alternating current load; the four-way silicon controlled rectifier alternating current load module does not work;

s422, when the ambient light is darker than a set threshold value, outputting 24V voltage to the four-way silicon controlled rectifier alternating current load module, and switching on the first LED lighting load and the second LED lighting load;

and S423, when the steps S421 and S422 are carried out, the IO control module simultaneously controls signals to the network voice module, the network voice module outputs broadcast information to the power amplifier, and the power amplifier pushes the loudspeaker to work.

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