WO2013017028A1

WO2013017028A1 - Controller-activator for aerosol fire suppression apparatus

Info

Publication number: WO2013017028A1
Application number: PCT/CN2012/079002
Authority: WO
Inventors: 卢文龙
Original assignee: 陕西坚瑞消防股份有限公司
Priority date: 2011-08-02
Filing date: 2012-07-23
Publication date: 2013-02-07
Also published as: CN102908742A; CN102908742B

Abstract

A controller-activator for an aerosol fire suppression apparatus, comprising a power supply (1), an internal port (3), an input control circuit (2), an oscillating boost circuit (4), a rectifier tank circuit (5), a regulator trigger circuit (6), an external port (8), a detection circuit (9), and a linkage control circuit (10). The internal port (3) is connected to the external port (8). The power supply (1) is connected to the input control circuit (2) to trigger the input control circuit (2) for same to be conducted. An input end of the oscillating boost circuit (4) is connected to the input control circuit (2) and sequentially connected to the rectifier tank circuit (5) and the regulator trigger circuit (6). The regulator trigger circuit (6) triggers the internal port (3) to activate the fire suppression apparatus. The detection circuit (9) is connected respectively to the internal port (3), the input control circuit (2), and the linkage control circuit (10). The linkage control circuit (10) is connected to the external port (8). The controller-activator is capable of feeding back in real time the activation-ignition reaction status of the fire suppression apparatus to a central controller connected to a feedback port, thus facilitating the central controller to collectively dispatch resources, implementing linked activation of multiple apparatus, and allowing for infinite cascade.

Description

Control starter for aerosol fire extinguishing device

Technical field

The invention relates to the technical field of fire protection, in particular to an activation device for an aerosol fire extinguishing device. Background technique

With the continuous development of aerosol technology, the fire-extinguishing efficiency is further improved. The new combined fire-fighting device is market-oriented in a smaller, flexible and flexible combination. However, the widely used starting methods are started by the fire alarm controller. Generally, it is a single startup that cannot be cascaded. When multiple devices are started, their startup capability is limited, and they cannot be started at all. Moreover, the indicators detected before startup are different colors of the same indicator to distinguish different detections. The project, which does not meet the industry norms, and the technicians are inadvertently misunderstood, which may cause the fire extinguishing device to start by mistake.

In summary, the existing fire extinguisher starters generally have the following problems:

First, the controller is susceptible to external interference or voltage fluctuations, resulting in mis-spraying of the aerosol;

Second, the controller has limited startup capability and cannot meet multiple sets of multiple startup requirements;

Third, the function is single, the starting unit is complex, and it is impossible to start up and down cascade, especially for the new combined fixed aerosol fire extinguisher, which cannot achieve multiple integration with existing fire extinguishers;

Fourth, the existing initiator detection function is imperfect, the indication is not clear, and it is easy to cause misoperation. Summary of the invention

In order to solve the problems in the prior art, the present invention provides a control starter for an aerosol fire extinguishing device that can activate a plurality of fire extinguishing devices and has a well-detected function.

The technical solution of the present invention is: a control starter for an aerosol fire extinguishing device, comprising: a power source, an internal terminal, an input control circuit, an oscillating boosting circuit, a rectifying energy storage circuit, a voltage stabilizing trigger circuit, and an external terminal , detection circuit and linkage control circuit; wherein:

The internal terminal is connected to an external terminal;

The power source is connected to the input control circuit, and the input control circuit is triggered to be turned on; The input end of the oscillating boosting circuit is connected to the input control circuit and sequentially connected to the rectifying and storing circuit and the voltage stabilizing trigger circuit;

The voltage regulator trigger circuit triggers an internal terminal to activate the fire extinguishing device;

The detection circuit is respectively connected to an internal terminal, an input control circuit and a linkage control circuit; and the linkage control circuit is connected to an external terminal.

The power supply composed of the battery supplies power to the input control circuit through the safety switch. When the input control circuit is turned on (three modes: a is the automatic alarm controller start signal, b is the temperature sensing cable input signal, c is the emergency start button) The oscillating boosting circuit is turned on to start working boosting, and a voltage of about 200V is generated and stored in the storage capacitor C3 through the rectifying storage circuit. At this time, the LED in the high voltage indicating circuit connected thereto is lit, and then the voltage stabilizing trigger circuit is passed. The ignition head of the fire extinguishing device connected to the internal terminal is turned on, thereby starting the fire extinguishing device.

The starter further includes a safety switch disposed between the power source and the input control circuit; the safety switch is mainly for preventing the malfunction of the fire extinguishing device caused by the wiring error of the engineer during the installation and debugging. After the completion of the project, the gear of the safety switch will be set to the alarm state after the inspection is completed, and the normal operation can be performed.

The input control circuit of the present invention includes a first relay, a first node connected to the safety switch, and a second node and a third node; the thermal element of the first relay is connected to the external terminal; The terminals are respectively connected to the first node and the third node; the second node is respectively connected to the first node and the external terminal. The relay is used to control the on and off of the circuit to achieve the conduction of the input current.

The external terminal includes a feedback end, a 24V end, a detecting end, an upper connecting end and a lower connecting end; the internal terminal includes a detecting feedback end and an ignition head terminal; the feedback end is connected with the detecting feedback end of the internal terminal; the 24V end Connected to the first relay; the detecting end is respectively connected to the second node and the third node; the upper connecting end is respectively connected with the second node and the third node; and the lower connecting end is respectively connected with the linkage control circuit. The ignition head terminal of the internal terminal of the present invention and the temperature control switch, the feedback terminal of the external terminal, the 24V terminal, the detecting end, the manual start signal, and the linkage terminal signals of the upper and lower terminals are all connected in a non-polar manner; Adjust in real time according to the application to avoid malfunction of the fire extinguishing device due to wiring errors.

The detecting circuit of the invention comprises a power detecting circuit, an ignition circuit detecting circuit, a linkage detecting circuit and a detecting switch; wherein the power detecting circuit comprises a first current limiting resistor and a first Zener diode The first current limiting resistor is connected to the tenth leg of the detecting switch; the first Zener diode and the power indicator are sequentially connected between the first current limiting resistor and the negative pole of the power supply; The detecting circuit includes a second isolation diode, an ignition head indicator and a second current limiting resistor; the second isolation diode is connected between one end of the ignition head terminal and the seventh leg of the detecting switch; The flow resistance and the ignition head indicator are sequentially connected between the other end of the ignition head terminal and the sixth leg of the detection switch; the linkage detection circuit includes a third current limiting resistor, a fourth current limiting resistor, a fourth node, and a linkage indication The third current limiting resistor is connected between the contact end of the linkage control circuit and the third leg of the detection switch; the fourth current limiting resistor and the linkage indicator are sequentially connected to the second leg and the second of the detection switch. The fourth node is further connected to the lower connection end of the external terminal and the other end of the contact of the linkage control circuit; the fifth pin of the detection switch and the power supply of the power supply are negative The linkage control circuit includes a second relay; the two ends of the contact of the second relay are respectively connected with the third current limiting resistor of the detecting circuit and the lower connecting end of the external terminal; the thermal element of the second relay and the third The node is connected to the oscillating boost circuit. When the detection switch is pressed, the power source, the ignition head of the fire extinguishing device, the ignition circuit detecting circuit, and the power detecting circuit respectively constitute two current paths, and the light emitting diodes in the ignition circuit detecting circuit and the power detecting circuit are both lit, indicating the power of the power group. Sufficient, the ignition head is connected properly. If the power indicator does not light, the power is not turned on or the power is lower than the normal value. If the ignition head is not lit, it indicates that the ignition head is not connected, and it can be detected in real time and indicated separately.

The oscillating boosting circuit includes a chip and a first capacitor, a second capacitor, a third capacitor, a transformer, a PNP transistor, a first resistor, a second resistor, a third resistor, a fourth resistor, and a fifth node connected to the periphery of the chip. And a sixth node; the two poles of the first capacitor are respectively connected to the third node and the sixth node; the second capacitor is connected in series between the first node and the second resistor between the sixth node and the third node; Between the fifth leg and the sixth node of the chip; the first low-voltage input end of the transformer is connected to the third node; the second low-voltage input end of the transformer is also connected to the emitter of the PNP transistor; The terminal and the second high voltage output terminal are respectively connected to the rectifying storage circuit; the base of the PNP transistor and the third resistor are connected to the third end of the chip; the fifth node is disposed at the base of the third resistor and the PNP transistor The fourth resistor is disposed between the fifth node and the sixth node; the portion of the circuit is mainly used to implement voltage conversion, converting the low voltage of the power source to the high required for the ignition head The voltage thus triggers the ignition head terminal to initiate ignition.

The above rectifier energy storage circuit includes a first rectifier diode, a second rectifier diode, and a third rectifier a diode, a fourth rectifier diode, a seventh node, an eighth node, a storage capacitor, and an overvoltage resistor; the anodes of the first rectifier diode and the second rectifier diode are respectively connected to the two high voltage outputs of the oscillation boosting circuit Connecting a cathode of the first rectifier diode and the second rectifier diode to a positive pole of the over-resistance; a cathode of the over-resistance is connected to a seventh node; a cathode of the storage capacitor and the third The rectifier diode is connected to the anode of the fourth rectifier diode and is also connected to the eighth node; the cathodes of the third rectifier diode and the fourth rectifier diode are respectively connected to the two high voltage output ends of the oscillation boosting circuit.

The voltage regulator trigger circuit includes a first isolation diode, a second Zener diode, a third Zener diode, a voltage dividing resistor, a shunt resistor, a trigger capacitor, a ninth node, and a trigger thyristor; a positive pole of the first isolation diode The seventh node is connected; the negative pole of the first isolation diode is connected to one end of the ignition head terminal; the second Zener diode and the third Zener diode and the voltage dividing resistor are serially connected to the storage capacitor Between the positive pole and the ninth node; the trigger capacitor and the shunt resistor are connected in parallel between the eighth node and the ninth node; the G pole of the trigger thyristor is connected to the ninth node, and the K pole is connected to the eighth node, The A pole is connected to the other terminal of the ignition head terminal.

The starter further includes a high voltage indicating circuit; the high voltage indicating circuit is connected between the seventh node and the eighth node. It can be indicated by LED light-emitting diodes; during debugging, the capacitor in the oscillating boost circuit may have a certain residual high-voltage power. At this time, the high-voltage red indicator light is on. If the ignition head is connected under such conditions, the ignition head may be caused. Detonation, causing malfunction. Therefore, it is forbidden to access the ignition head when the high voltage indicator is on.

The control actuator of the aerosol fire extinguishing device of the present invention has the following advantages:

1. The invention adopts independent battery power supply, converts the low voltage of the power source into a high voltage capable of triggering the ignition head of the fire extinguishing device through the oscillation boosting circuit, and then cooperates with the rectifying energy storage circuit and the high voltage trigger circuit to realize the fire extinguishing device. The startup, and the powerful current of boosting, energy storage and voltage regulation, can meet the control start of multiple fire extinguishing devices, solve the problem of limited starting ability of the controller when multiple fire extinguishing devices are solved, and the number of starting fire extinguishing devices can reach 9 As many as Taiwan

2. The starter of the invention increases the feedback end, the 24V end, the detecting end, the upper connecting end and the lower connecting end, and can automatically feedback the starting ignition reaction of the fire extinguishing device to the central controller connected with the feedback end, and can also be controlled by the center The 24V voltage of the device activates the fire extinguishing device, and uses the detecting end to send the detected signal to the central controller, so that the central controller can uniformly schedule resources; The upper connection end and the lower connection end of the invention can realize multiple linkages, which can be used not only with the existing gas fire extinguishing controllers currently on the market, but also can be used as an independent detection control unit alone, and it is convenient to implement multiple devices. The linkage is started, and infinite cascade can also be realized. If closed loop wiring is used, any one can be used as a host.

3. All the terminals (feedback, 24v start, manual detection, superior and lower) of the present invention adopt non-polar circuit design, regardless of polarity, to prevent engineering technicians from wiring errors, resulting in false start.

4. The invention is also designed with an independent safety switch to prevent the engineering personnel from accidentally starting the fire extinguishing device during the installation and debugging. After the completion of the project, the gear position of the safety switch is set to the alarm state after the inspection is completed, and the utility model can work normally. When there is a problem with the detection, it is in a power-off state, and the latter circuit cannot be turned on at all, and it is impossible for an accidental occurrence of a false start.

5. The invention adopts independent battery power supply, overcomes the accidental spray of the mains power supply of the controller by external interference or voltage fluctuation, and the battery adopts a button type lithium battery, and the standby working state is 0, which eliminates the general controller. Subject to voltage fluctuations and electromagnetic interference, the system is valid and the reliability of the system is improved. The entire circuit design uses physical disconnection, which ensures the battery's working time. The battery power loss is only its own self-consumption and regular. The short-time small amount of electricity used in the detection, the power consumption is small. DRAWINGS

Figure 1 is a schematic circuit diagram of the present invention;

2 is a schematic view showing the connection manner of the upper and lower stages in the present invention;

FIG. 3 is a schematic diagram of a ring-type starting connection manner of the present invention.

In the figure: 1-power supply, 2-input control circuit, 21-first relay, 22-first node, 23-second node, 24-third node, 3-internal terminal, 31-detection feedback terminal, 32 -Ignition head terminal, 4-oscillation boost circuit, 41-chip, 42-first capacitor, 43-second capacitor, 44-third capacitor, 45-first resistor, 46-second resistor, 47-third Resistor, 48-fourth resistor, 49-fifth node, 410- sixth node, 411-PNP transistor, 412-transformer, 5-rectifier tank circuit, 51-first rectifier diode, 52-second rectifier diode, 53-third rectifier diode, 54-fourth rectifier diode, 55-over-resistance, 56-storage capacitor, 57-seventh node, 58-eighth node, 6-regulated trigger circuit, 61-first isolation Diode, 62-second Zener diode, 63-third Zener diode, 64-divide piezoelectric Resistance, 65-shunt resistor, 66-trigger capacitor, 67-trigger thyristor, 68-ninth node, 7-high voltage detection circuit, 71-high voltage indicator, 72-fifth current limiting resistor, 73-six current limiting resistor , 8- external terminal, 81, 82-return terminal, 83, 84-24V terminal, 85, 86-detecting terminal, 87, 88-upper terminal, 89, 810-lower connector, 9-detection circuit, 91- Power detection circuit, 911-first current limiting resistor, 912-first Zener diode, 913-charge indicator, 92-ignition loop detection circuit, 921-second isolation diode, 922-ignition indicator, 923- Two current limiting resistors, 93-linkage detection circuit, 931-third current limiting resistor, 932-fourth current limiting resistor, 933-fourth node, 934-linkage indicator, 94-detector switch, 10-linkage control circuit, 11-shell, 12-terminal, 13-safety switch. detailed description

Referring to Figure 1, an aerosol fire extinguishing device starter box provided by the present invention is preferably:

The utility model mainly comprises a power source 1, a safety switch 13, an internal terminal 3, an input control circuit 2, an oscillation boosting circuit 4, a rectifying and energy storage circuit 5, a voltage stabilizing trigger circuit 6, an external terminal 8, a detecting circuit 9, and a linkage control circuit 10. The power supply 1 composed of the battery supplies the power supply 1 to the control starter through the safety switch 13. When the control input circuit is turned on, the oscillation boost circuit 4 is turned on, and the high voltage indicator 71 in the high voltage detection circuit 7 is turned on, and the voltage regulation is triggered. The circuit 6 operates to activate the ignition head of the fire extinguishing device connected to the internal terminal 3, thereby activating the fire extinguishing device.

Wherein: the safety switch 13 is connected to the power source 1, and the control power source 1 is turned on and off; the power source 1 of the present invention can be a button type lithium battery, and the internal terminal 3 is divided into a detecting feedback end 31 and an ignition head terminal 32; the detecting feedback end 31 can pass Three ways to achieve detection: a is the automatic alarm controller start signal, b is the temperature sensing cable input signal, c is the emergency start button.

The input control circuit 2 of the present invention is mainly composed of a first relay 21, a first node 22, a second node 23 and a third node 24; wherein the thermal element of the first relay 21 is connected to the external terminal 8, and the two ends of the contact are respectively Connected to the first node 22 and the third node 24; the first node 22 is also connected to the safety switch 13, the second node 23 is simultaneously connected to the first node 22 and the external terminal 8; when the safety switch 13 is closed, the power supply 1 The first element 22 and the third node 24 are turned on, the first node 22 and the third node 24 are turned on, a part of the current enters the oscillation boosting circuit 4, and the other part of the current passes through the second node 23 and the third node. 24 is connected to the external terminal 8, and is also electrically connected to the second relay of the interlocking control circuit 10, thereby forming another closed loop. The oscillating boosting circuit 4 of the present invention mainly comprises a chip 41 and a first capacitor 42, a second capacitor 43, a third capacitor 44, a transformer 412, a PNP transistor 411, a first resistor 45, and a second resistor 46 connected to the periphery of the chip 41. The third resistor 47, the fourth resistor 48, the fifth node 49, and the sixth node 410; wherein the two poles of the first capacitor 42 are respectively connected to the third node 24 and the sixth node 410; the second capacitor 43 and the first resistor 45 And the second resistor 46 is connected in series between the sixth node 410 and the third node 24; the third capacitor 44 is connected between the fifth end of the chip 41 and the sixth node 410; the first low-voltage input end of the transformer 412 Connected to the third node 24, the second low-voltage input terminal is connected to the emitter of the PNP transistor 411, and the first high-voltage output terminal and the second high-voltage output terminal are respectively connected to the first rectifier diode 51 and the second rectifier rectifier circuit 5 The anode of the rectifier diode 52 is connected; the base of the PNP transistor 411 is connected to the third terminal 47 of the chip 41; the fifth node 49 is connected between the third resistor 47 and the base of the PNP transistor 411; The fourth resistor 48 is connected to the fifth node 49 The current from the third node 24 enters the first capacitor 42 and the second capacitor 43 and supplies power to the chip 41. The chip 41 controls the transformer 412 and the PNP transistor 411 to operate, thereby implementing low voltage to high voltage conversion. It is transmitted to the rectification storage circuit 5. The chip 41 described above may be a chip 41 of the SA555D or F555 or ne555 model or a chip 41 of other equivalent functions.

The rectifying storage circuit 5 of the present invention mainly comprises a first rectifying diode 51, a second rectifying diode 52, a third rectifying diode 53, a fourth rectifying diode 54, a seventh node 57, an eighth node 58, a storage capacitor 56 and The electric resistance 55 is composed; wherein the positive poles of the first rectifying diode 51 and the second rectifying diode 52 are respectively connected to the two high voltage output ends of the oscillating boosting circuit 4, the negative pole is connected to the positive pole of the overcurrent resistor 55, and the overcurrent resistor 55 is connected. The negative pole is connected to the seventh node 57; the cathode of the storage capacitor 56 is simultaneously connected to the anodes of the third rectifier diode 53 and the fourth rectifier diode 54 and also to the eighth node 58; and the third rectifier diode 53 and the fourth rectifier The negative poles of the diodes 54 are respectively connected to the two high voltage output ends of the oscillating boosting circuit 4; when the voltage is processed by the oscillating boosting circuit 4, the boosted current is unidirectionally rectified by four rectifying diodes, so that the alternating current is converted into After being approximately DC, it is stored in the storage capacitor 56, and after the storage capacitor 56 is fully charged, it releases a stable DC current to the voltage regulator trigger circuit 6.

The above-mentioned voltage regulator trigger circuit 6 mainly includes a first isolation diode 61, a second Zener diode 62, a third Zener diode 63, a voltage dividing resistor 64, a shunt resistor 65, a trigger capacitor 66, a ninth node 68, and a trigger thyristor 67. Wherein the anode of the first isolation diode 61 and the seventh node 57 The cathode of the first isolation diode 61 is connected to one end of the ignition head terminal 32; the second Zener diode 62 and the third Zener diode 63 and the voltage dividing resistor 64 are connected in series to the anode and the ninth node of the storage capacitor 56. Between 68; the trigger capacitor 66 and the shunt resistor 65 are connected in parallel between the eighth node 58 and the ninth node 68; the G pole of the trigger thyristor 67 is connected to the ninth node 68, and the K pole is connected to the eighth node 58, the A pole The other terminal of the ignition head terminal 32 is connected. A part of the current released by the storage capacitor 56 of the rectifying storage circuit 5 is stored in the trigger capacitor 66. When the trigger capacitor 66 is full, the current is discharged to trigger the thyristor 67, so that the two terminals of the ignition terminal 32 of the internal terminal 3 are The terminals are turned on to form a path, thereby triggering ignition of the ignition head to achieve activation of the fire extinguishing device.

The starting process of the fire extinguishing device is mainly: After the power source 1 starts, the current signal of the input port will flow to the oscillating boosting circuit 4, processed by the chip 41, and generate an oscillating waveform, and then the transformer 412 performs low-high voltage conversion and flows through the rectifying energy storage circuit. 5. Charging the storage capacitor 56. When the voltage reaches the voltage set by the voltage regulator circuit 6, the voltage regulator circuit 6 operates to trigger the G pole of the thyristor 67, so that the K-pole output current of the trigger thyristor 67 is turned on. Pulse to activate the fire extinguishing device.

In order to realize multiple linkages of the starter and multiple cascades of the starter and the fire extinguishing device and the central controller, the present invention also provides an external terminal 8, which mainly includes the feedback terminals 81, 82, 24V. 83, 84, the detecting end 85, 86, the upper connecting end 87, 88 and the lower connecting end 89, 810; wherein the feedback end 81, 82 is respectively connected with the two nodding heads of the detecting feedback end 31 of the internal terminal 3, and external The central controller is connected, and the startup information of the fire extinguishing device can be fed back to the central controller in real time; the 24V terminals 83, 84 connect the first relay 21 with an externally set central controller, or can be powered by the central controller's 24V voltage. 1 starts the work; the detecting ends 85, 86 are respectively connected to the second node 23 and the third node 24, and transmit the detection signals of the central controller; the upper connecting ends 87, 88 are respectively connected with the second node 23 and the third node 24; The lower-level connecting ends 89 and 810 are respectively connected to the linkage control circuit 10; when multiple linkages are made, referring to FIG. 2, the lower-level connecting ends 89 and 810 of the upper-level starter and the upper-level connecting end 87 of the lower-level starter are connected. 88 connection, when a starter is required to start multiple units at the same time, referring to Fig. 3, the lower level connection terminals 89, 810 of the upper stage starter are connected with the upper level connection ends 87, 88 of the adjacent lower level starters, and then the upper level is obtained. The upper-level connection ends 87 and 88 are connected to the lower-level lower-level connection ends 89 and 810 to form a ring-type connection, and multiple linkages are realized by the upper-level activation lower-level. The invention can be used in a single unit or in multiple stages. The superior lower-level conduction trigger and the serial use, that is, any one of the triggers, can trigger all the controllers. Specifically, the linkage control circuit 10 connected to the third node 24 operates, and the lower-level connection terminals 89, 810 of the external terminal 8 are turned on, that is, 87, 88 of the upper-level connection terminals of the external terminal 8 of the second initiator are turned on. Foot, cascading, the external starter 8 of the first starter, the 89, 810 pin of the lower connection end of the second starter, and the 87, 88 pin of the upper connection end of the external terminal 8 of the second starter, and so on, thereby starting the second start And so on, you can achieve unlimited cascade.

In addition, when used alone, the 24V signal of the 24V terminal is connected to the 24V signal from the central controller; the temperature sensing line and the manual switch are connected to the 85, 86 feet of the detecting end; the 81 and 82 pins of the feedback end are connected back to the central controller, and need not be needed. Connect the upper and lower connection terminals. After the safety check is correct, connect the battery, and set the "disarm" and "at" alarm positions to the "alarm" state. Press the "detect" button to detect each indicator (electricity lamp, ignition). The headlights are on, indicating that they are all normal and ready to work.

The present invention is further provided with a detecting circuit 9, which mainly includes a power detecting circuit 91, an ignition circuit detecting circuit 92, a linkage detecting circuit 93, and a detecting switch 94. The power detecting circuit 91 includes a first current limiting resistor 911 and a first Zener diode. 912 and the power indicator 913; the first current limiting resistor 911 is connected to the tenth leg of the detecting switch 94; the first Zener diode 912 and the power indicator 913 are sequentially connected between the first current limiting resistor 911 and the negative pole of the power source 1; The ignition circuit detection circuit 92 includes a second isolation diode 921, an ignition head indicator 922 and a second current limiting resistor 923; a second isolation diode 921 is connected between one end of the ignition head terminal 32 and the seventh leg of the detection switch 94; The second current limiting resistor 923 and the ignition head indicator 922 are sequentially connected between one end of the ignition head terminal 32 connected to the second isolation diode 921 and the sixth leg of the detecting switch 94; the linkage detecting circuit 93 includes a third current limiting resistor 931 a fourth current limiting resistor 932, a fourth node 933, and a linkage indicator 934; the third current limiting resistor 931 is connected to the linkage control circuit 10 The fourth current limiting resistor 932 and the linkage indicator 934 are sequentially connected between the second leg and the fourth node 933 of the detecting switch 94; the fourth node 933 is also connected to the external node. The lower terminal of the terminal 8 is connected to the other end of the contact of the interlocking control circuit 10; the fifth leg of the detecting switch 94 is connected to the negative terminal of the power source 1 of the power source 1.

The linkage control circuit 10 of the present invention includes a second relay; the two ends of the contacts of the second relay are respectively connected to the third current limiting resistor 931 of the detecting circuit 9 and the lower connecting end of the external terminal 8, the thermal element and the third node 24 and The sixth node 410 of the oscillating boost circuit 4 is connected such that the circuit is turned on to form a loop. When the safety switch 13 is turned to the alarm state, the single-pole double-throw type detection switch 94 is pressed, and at this time, the 2, 3, 5, 6 and 7, 8 and 10, 11 of the detection switch 94 are respectively turned on.

The first way: the current flows through the safety switch 13 through the positive pole of the battery in the power source 1, to the first node 22, the second node 23 to the 8th pin of the detection switch 94, the 7-pin and the 8-pin are connected, and thus the detection switch 94 is 7 The foot flows through the second isolation diode 921 to the terminal connected to the second isolation diode 921 of the voltage stabilizing trigger circuit 6 of the ignition head terminal 32, and the two ends of the ignition head are turned on, so that the current flows through the ignition head and One end of the trigger thyristor 67 is connected, and then to the second current limiting resistor 923, through the second current limiting resistor 923, through the ignition head indicator 922 to the pins 6 and 5 of the detecting switch 94, and the fifth leg flows back to the negative pole of the power source 1, Thereby, the ignition circuit detecting circuit 9 is constructed to detect whether or not the ignition circuit is turned on.

The second way: the current flows through the safety switch 13 in the power source 1 through the safety switch 13, to the first node 22, the second node 23, to the 11th leg of the detection switch 94, and the 10 feet that are turned on with the 11 feet, to the first The current limiting resistor 911 flows through the first Zener diode 912 and the power indicator 913, and then flows back to the negative pole of the power source 1, to form a power detecting circuit, and the power indicator 913 is illuminated to detect whether the power is sufficient.

The third way: When the two starters are cascaded, the pins 9 and 10 of the lower connection end of the external terminal 8 of the first starter are connected with the 7th and 8th pins of the upper connection end of the external terminal 8 of the second starter. The current flows through the safety switch 13 in the power source 1 of the second starter, through the first node 22, the second node 23, to the 8th pin of the upper connection end of the external terminal 8 of the second starter, to the first The 9th pin of the lower terminal of the external terminal 8 of the starter, the third current limiting resistor 931 passes through the 3rd and 2nd pins of the detecting switch 94, flows through the fourth current limiting resistor 932, and flows through the linkage indicator 934 and the fourth node. 933, to the lower end of the first terminal of the first starter, the 10th pin of the external terminal 8, and then connected to the 7th pin of the upper connection end of the external terminal 8 of the second starter, to the third node 24, and then through the second relay The heat element flows to the negative pole of the power source 1 to form a linkage detection loop, thereby detecting whether the upper and lower cascade circuits are turned on.

The linkage indicator 934 of the present invention uses two reverse light emitting diodes, regardless of the level connection line of the lower connection end of the external terminal 8 of the first starter and the upper connection end of the external terminal 8 of the second starter is 89 and 87 , 810 and 88 are connected or 89 and 88, 810 and 87 are connected to ensure that the connection indication is normal.

The above-mentioned electric measuring circuit is mainly convenient for the operator to detect or debug, so that the device detecting is more comprehensive. The starter of the present invention can also be provided with a high voltage detecting circuit 7, which is mainly composed of a fifth current limiting resistor 72, a sixth current limiting resistor 73 and a high voltage indicator 71 connected in series between the seventh node 57 and the eighth node 58. The high-voltage detecting circuit 7 is mainly used for real-time monitoring of the amount of electric energy stored in the storage capacitor 56 by the rectifying and energy storage circuit 5, thereby preventing the capacitor of the rectifying and accumulating circuit 5 from being charged with a certain residual amount when the machine is debugged, resulting in a fire extinguishing device error. Startup, when the red indicator light in the high voltage detection circuit 7 is on, in this case, the ignition head may be connected, which may cause the ignition head to detonate, causing malfunction. Therefore, it is forbidden to access the ignition head when the high voltage indicator 71 is on.

The combination of the electronic components in the respective circuits of the present invention is not limited to the above-described connection method, and the technical problem to be solved by the present invention can be solved as long as the functions of the circuits of the respective portions of the present invention can be satisfied.

Each of the above-mentioned partial circuits is disposed in the casing 11 of the control actuator, and is connected to an external fire extinguishing device and a center controller or the like through a terminal 12 provided outside the casing 11.

Claims

Rights request

1. A control starter for an aerosol fire extinguishing device, comprising: a power source, an internal terminal, an input control circuit, an oscillating boosting circuit, a rectifying energy storage circuit, a voltage stabilizing trigger circuit, an external terminal, a detecting circuit, and a linkage Control circuit; where:

The internal terminal is connected to an external terminal;

The power source is connected to the input control circuit, and the input control circuit is triggered to be turned on; the input end of the oscillating boost circuit is connected to the input control circuit and sequentially connected to the rectification storage circuit and the voltage regulator trigger circuit;

2. The control starter for an aerosol fire extinguishing device according to claim 1, wherein: said starter further comprises a safety switch; said safety switch being disposed between the power source and the input control circuit.

3. The control starter for an aerosol fire extinguishing device according to claim 2, wherein: said input control circuit comprises a first relay, a first node connected to the safety switch, and a second node and a third node; The thermal element of the first relay is connected to the external terminal; the two ends of the contact of the first relay are respectively connected to the first node and the third node; and the second node is respectively connected to the first node and the external terminal.

The control starter for an aerosol fire extinguishing device according to claim 2, wherein: the external terminal comprises a feedback end, a 24V end, a detecting end, an upper connecting end and a lower connecting end; and the internal terminal comprises Detecting a feedback end and an ignition head terminal; the feedback end is connected to a detection feedback end of the internal terminal; the 24V end is connected to the first relay; the detection end is respectively connected to the second node and the third node; The connection ends are respectively connected to the second node and the third node; and the lower connection ends are respectively connected to the linkage control circuit.

The control starter for an aerosol fire extinguishing device according to claim 4, wherein the feedback end, the 24V end, the detecting end, the upper connecting end and the lower connecting end are all connected in a non-polar manner.

6. The control actuator of an aerosol fire extinguishing device according to claim 2, wherein: The detecting circuit includes a power detecting circuit, an ignition circuit detecting circuit, a linkage detecting circuit, and a detecting switch; the power detecting circuit includes a first current limiting resistor, a first Zener diode, and a power indicator; the first current limiting resistor Connected to the tenth leg of the detecting switch; the first Zener diode and the power indicator light are sequentially connected between the first current limiting resistor and the negative pole of the power source; the ignition loop detecting circuit includes a second isolation diode and an ignition head indicator And a second current limiting resistor; the second isolation diode is connected between one end of the ignition head terminal and the seventh leg of the detecting switch; the second current limiting resistor and the ignition head indicator are sequentially connected to the ignition head The other end of the terminal and the sixth leg of the detecting switch; the linkage detecting circuit includes a third current limiting resistor, a fourth current limiting resistor, a fourth node, and a linkage indicator; the third current limiting resistor is connected to the linkage Between one end of the contact of the control circuit and the third leg of the detection switch; the fourth current limiting resistor and the linkage indicator are sequentially connected to the second of the detection switch Between the foot and the fourth node; the fourth node is further connected to the lower connection end of the external terminal and the other end of the contact of the linkage control circuit; the fifth leg of the detection switch is connected to the negative pole of the power supply of the power source; The control circuit includes a second relay; the two ends of the contact of the second relay are respectively connected with the third current limiting resistor of the detecting circuit and the lower connecting end of the external terminal; the thermal element of the second relay and the third node and the oscillation boosting Circuit connection.

The control starter for an aerosol fire extinguishing device according to claim 1 or 2 or 3 or 4 or 5 or 6, wherein: said oscillation boosting circuit comprises a chip and a first capacitor connected to a periphery of the chip, a second capacitor, a third capacitor, a transformer, a PNP transistor, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth node, and a sixth node;

The two poles of the first capacitor are respectively connected to the third node and the sixth node;

The second capacitor is connected in series with the first resistor and the second resistor between the sixth node and the third node;

The third capacitor is disposed between the sixth node and the fifth leg of the chip;

The first low-voltage input end of the transformer is connected to the third node;

The second low-voltage input end of the transformer is further connected to the emitter of the PNP transistor; the first high-voltage output end and the second high-voltage output end of the transformer are respectively connected to the rectifying energy storage circuit;

The base of the PNP transistor and the third resistor are connected to the third end of the chip; the fifth node is disposed between the third resistor and the base of the PNP transistor;

The fourth resistor is disposed between the fifth node and the sixth node.

8. The control starter for an aerosol fire extinguishing device according to claim 7, wherein: said rectifying energy storage circuit comprises a first rectifying diode, a second rectifying diode, a third rectifying diode, a fourth rectifying diode, a seventh node, an eighth node, a storage capacitor, and an overcurrent resistor; a positive pole of the first rectifier diode and the second rectifier diode are respectively connected to two high voltage output ends of the oscillation boosting circuit; the first rectifier diode And a negative pole of the second rectifier diode is connected to the anode of the over-resistance; a cathode of the over-resistance is connected to the seventh node; a cathode of the storage capacitor and the third rectifier diode and the fourth rectifier diode The positive pole is connected and is also connected to the eighth node; the third rectifier diode and the cathode of the fourth rectifier diode are respectively connected to the two high voltage output ends of the oscillation boosting circuit.

The control starter for an aerosol fire extinguishing device according to claim 8, wherein: the voltage stabilizing trigger circuit comprises a first isolation diode, a second Zener diode, a third Zener diode, a voltage dividing resistor, a shunt resistor, a trigger capacitor, a ninth node, and a trigger thyristor; a cathode of the first isolation diode is connected to the seventh node; a cathode of the first isolation diode is connected to one end of the ignition head terminal; The second Zener diode and the third Zener diode and the voltage dividing resistor are serially connected between the anode of the storage capacitor and the ninth node; the trigger capacitor and the shunt resistor are connected in parallel between the eighth node and the ninth node; The G pole of the trigger thyristor is connected to the ninth node, the K pole is connected to the eighth node, and the A pole is connected to another terminal of the ignition head terminal.

10. The control starter for an aerosol fire extinguishing device according to claim 9, wherein: the starter further comprises a high voltage indicating circuit; and the high voltage indicating circuit is connected between the seventh node and the eighth node.