A kind of starter of extinguishing device
Technical field
The utility model relates to the fire prevention field, particularly a kind of starting drive of extinguishing device.
Background technology
Along with the continuous development of aerosol technology, fire-fighting efficiency further improves, and new aerosol fire-extinguishing device is market-oriented with the compound mode of littler volume, maneuverability; Yet present widely used Starting mode all starts through controller; The problem that has following several respects like this, the one, the startup of controller is limited in one's ability, can not satisfy many and start requirement; The 2nd, the controller connection device is complicated, and volume can not satisfy the instructions for use of little space more greatly.
Summary of the invention
In order to solve the problem that exists in the prior art, the utility model provides a kind of volume little, easy for installation and can start the starter of the extinguishing device of many extinguishing devices.
The technical scheme of the utility model is: a kind of starter of extinguishing device is characterized in that: comprise input port, power supply, oscillation step-up circuit, energy storage rectifier circuit, voltage stabilizing circuits for triggering and igniter head; Said input port connects positive source; The negative pole of said power supply connects the input termination of oscillation step-up circuit; The output of said oscillation step-up circuit is connected with the input of said voltage stabilizing circuits for triggering; The output of said voltage stabilizing circuits for triggering is connected with said igniter head; To entire circuit power supply is provided by power supply, oscillation step-up circuit is started working behind the input port input current signal, (to be equivalent to switch closure), produces alternating voltage; Give its capacitor charging through energy storage rectifier circuit again; When voltage reached the preset voltage of voltage stabilizing circuits for triggering, extinguishing device igniter head was connected in the action of voltage stabilizing circuits for triggering; Extinguishing device igniter head detonates, and starter is accomplished start-up course.
The model of above-mentioned oscillation step-up circuit is SA555D or F555 or ne555 etc., selects model connected mode according to applicable cases.
Above-mentioned energy storage rectifier circuit comprises first commutation diode, second commutation diode, the 3rd commutation diode, the 4th commutation diode, first node, Section Point, storage capacitor and crosses electric resistance; The positive pole of said first commutation diode and second commutation diode is connected with the output of said oscillation step-up circuit; The negative pole of said first commutation diode and second commutation diode is connected with said first node; One end of said mistake resistance is connected with first node; The other end of said mistake resistance is connected with the positive pole of said storage capacitor; The negative pole of said storage capacitor is connected with Section Point; Said the 3rd commutation diode is connected with Section Point with the positive pole of the 4th commutation diode; Said the 3rd commutation diode is connected with the output of oscillation step-up circuit with the negative pole of the 4th commutation diode.
Above-mentioned voltage stabilizing circuits for triggering comprise isolating diode, first Zener diode, second Zener diode, divider resistance, shunt resistance, triggering electric capacity, the 3rd node and trigger IGCT; Said igniter head comprises the first input end and second input; The positive pole of said isolating diode is connected with said first node; The negative pole of said isolating diode is connected with the first input end of said igniter head; The positive pole of said triggering electric capacity is connected with said Section Point; The negative pole of said triggering electric capacity is connected with said the 3rd node; Said shunt resistance is connected with said triggering electric capacity side by side; Said divider resistance, first Zener diode and second Zener diode are serially connected with between the 3rd node and the first node; The G utmost point of said triggering IGCT is connected with said the 3rd node; The K utmost point of said triggering IGCT is connected with the positive pole of said electric capacity; The A utmost point of said triggering IGCT is connected with second input of said igniter head.
Above-mentioned starter also comprises the testing circuit that is connected between igniter head and the positive source; Said testing circuit comprises the 4th node, electric weight testing circuit, ignition circuit indicating circuit and test button; Said test button comprises first test button and second test button; Said first test button is connected between power supply and the ignition circuit indicating circuit; Said second test button is connected in the first input end of power supply and igniter head; The input of said electric weight testing circuit is connected with first test button; The output of said electric weight testing circuit is connected with said the 4th node; Said the 4th node is connected with oscillation step-up circuit; Said ignition circuit indicating circuit is connected between second input of said the 4th node and igniter head; Above-mentioned testing circuit can adopt the indication of LED light emitting diode; When pressing test button; Power supply, extinguishing device igniter head, ignition circuit indicating circuit, electric weight testing circuit constitute two current paths respectively; Light emitting diode in ignition circuit indicating circuit and the electric weight testing circuit is all lighted, and shows that the power pack electric weight is enough, and igniter head connects normal.Not working like the electric weight lamp shows that power supply access failure or electric quantity of power supply are lower than normal value, if the igniting head lamp does not work, shows that igniter head does not connect.
Above-mentioned starter also comprises high-voltage indicating circuit; Said high-voltage indicating circuit is connected between Section Point and the first node; Can adopt the indication of LED light emitting diode; The time possibly make the certain residual high pressure electricity of capacitor strap in the oscillation step-up circuit in debugging, this moment, the high pressure red led was bright, if at access point duration and degree of heating in such cases, possibly cause that igniter head detonates, caused misoperation.So, when HT pilot is bright, forbid the access point duration and degree of heating.
Above-mentioned input port is temperature sensing cable or start button; Power supply starts through the signal controlling that temperature sensing cable transmits; To oscillation step-up circuit, energy storage rectifier circuit and voltage stabilizing circuits for triggering, in case have the signal of temp.-sensing wire biography or the connection signal of start button to get final product the flashpoint duration and degree of heating.
Above-mentioned power supply is battery preferably.
The starter of the extinguishing device of the utility model, it has the following advantages:
1, the utility model adopts independently powered battery; The entire circuit design adopts physics to break off; Can guarantee the working time of battery like this, 0 power consumption of stand-by operation state, the loss of battery electric quantity just itself from power consumption used small in short-term electric weight when regularly detecting; Its simultaneously through connect oscillation step-up circuit, energy storage rectifier circuit, controller started problem limited in one's ability when the voltage stabilizing circuits for triggering had solved many extinguishing devices, its platform number that starts extinguishing device can reach 9.
2, the utlity model has multinomial measuring abilities such as battery electric quantity detection, ignition circuit indication, high pressure indication, convenient debugging, and also stand-by time is long, starts simple and reliable.
3, the utility model overall volume is little, operation is easy for installation, can satisfy independent use the in the little space.
Description of drawings
Fig. 1 is the circuit diagram of the utility model.
Among the figure: 1-power supply, 2-input port, 3-oscillation step-up circuit, 4-energy storage rectifier circuit, 5-voltage stabilizing circuits for triggering, 6-igniter head, 7-testing circuit; 8-electric weight testing circuit, 9-ignition circuit indicating circuit, 10-test button, 11-chip, 12-first electric capacity, 13-second electric capacity; 14-the 3rd electric capacity, 15-transformer, 16-PNP triode, 17-first resistance, 18-second resistance, 19-the 3rd resistance; 20-the 4th resistance, 21-first commutation diode, 22-second commutation diode, 23-the 3rd commutation diode, 24-the 4th commutation diode, 25-first node; The 26-Section Point, 27-the 3rd node, 28-the 4th node, 29-the 5th node, 30-storage capacitor, 31-are crossed electric resistance; The 32-isolating diode, 33-first Zener diode, 34-second Zener diode, the 35-divider resistance, the 36-shunt resistance, 37-triggers electric capacity; 38-triggers IGCT, 39-first input end, 40-second input, 41-first test button, 42-second test button, 43-high-voltage indicating circuit.
The specific embodiment
Referring to Fig. 1, the starter of a kind of extinguishing device that the utility model provides, its preferred implementation is:
The starter of the utility model comprises input port 2, power supply 1, oscillation step-up circuit 3, rectification stream accumulator 4, high-voltage indicating circuit 43, voltage stabilizing circuits for triggering 5, igniter head 6 and testing circuit 7; Wherein: power supply 1 preferably adopts battery; Input port 2 can be temperature sensing cable or also can be start button that it connects power supply 1 positive pole; And the negative pole of power supply 1 connects the input termination of oscillation step-up circuit 3; The output of oscillation step-up circuit 3 connects the input of voltage stabilizing circuits for triggering 5; The output tie point duration and degree of heating 6 of voltage stabilizing circuits for triggering 5; Testing circuit 7 is connected between igniter head 6 and power supply 1 positive pole; To entire circuit power supply 1 is provided by power supply 1, when the temperature sensing cable of input port 2 input temperature-sensitive signal or people when manually booting start button, trigger power supply 1 and begin to supply power; Input port 2 is switched on, by behind power supply 1 input current signal (being equivalent to switch closure), and the entire circuit conducting; Oscillation step-up circuit 3 is started working, and produces alternating voltage, gives its capacitor charging through energy storage rectifier circuit again; When voltage reached the preset voltage of voltage stabilizing circuits for triggering 5, extinguishing device igniter head 6 was connected in 5 actions of voltage stabilizing circuits for triggering; Extinguishing device igniter head 6 detonates, and starter is accomplished start-up course.
It specifically comprises the oscillation step-up circuit 3 of the utility model chip 11 and is connected electronic components such as the first peripheral electric capacity 12 of chip 11, second electric capacity 13, the 3rd electric capacity 14, transformer 15, PNP triode 16, first resistance 17, second resistance 18, the 3rd resistance 19, the 5th node 29 and the 4th resistance 20, and the two poles of the earth of first electric capacity 12 connect power supply 1 negative pole and input port 2 respectively; The negative pole of second electric capacity 13 and first electric capacity 12 also connect; The positive pole of second electric capacity 13 and first resistance 17 and second resistance 18 are serially connected with on the path of input port 2; The first input end of transformer 15 is connected on the 4th terminal of chip 11; Second input of transformer 15 also is connected with the emitter stage of PNP triode 16; First output of transformer 15 is connected with energy storage rectifier circuit respectively with second output; The base stage of PNP triode 16 is connected with the 5th node 29; Between the 3rd cross-talk of the 5th node 29 and chip 11, also be connected with the 3rd resistance 19; Be connected with the 4th resistance 20 between the 5th node 29 and power supply 1 negative pole; The input of the 8th terminal of chip 11 and the 4th terminal and second resistance 18 is attempted by on the path of input port 2; The first terminal of chip 11 and five terminal are connected to power supply 1 negative pole and between five terminal and negative pole, also are connected with the 3rd electric capacity 14; The 6th terminal of chip 11 is connected between first resistance 17 and second electric capacity 13; The 7th termination of chip 11 is connected between first resistance 17 and second resistance 18; Second terminal of chip 11 is connected with the 6th terminal.Wherein above-mentioned chip 11 can adopt the chip 11 of SA555D or F555 or ne555 model.
The energy storage rectifier circuit 4 of the utility model comprises first commutation diode 21, second commutation diode 22, the 3rd commutation diode 23, the 4th commutation diode 24, first node 25, Section Point 26, storage capacitor 30 and crosses resistance 31; Wherein the positive pole of first commutation diode 21 and second commutation diode 22 is connected with second output with first output of above-mentioned transformer 15 respectively; The negative pole of first commutation diode 21 and second commutation diode 22 is connected with first node 25; An end of crossing resistance 31 is connected with first node 25; The other end of crossing resistance 31 is connected with the positive pole of storage capacitor 30; The negative pole of storage capacitor 30 is connected with Section Point 26; The 3rd commutation diode 23 is connected with Section Point 26 with the positive pole of the 4th commutation diode 24; The 3rd commutation diode 23 is connected with the output of oscillation step-up circuit 3 with the negative pole of the 4th commutation diode 24.
The voltage stabilizing circuits for triggering 5 of the utility model comprise isolating diode 32, first Zener diode 33, second Zener diode 34, divider resistance 35, shunt resistance 36, trigger electric capacity 37, the 3rd node 27 and trigger IGCT 38; Said igniter head 6 comprises the first input end 39 and second input 40; The positive pole of said isolating diode 32 is connected with said first node 25; The negative pole of said isolating diode 32 is connected with the first input end 39 of said igniter head 6; The positive pole of said triggering electric capacity 37 is connected with said Section Point 26; The negative pole of said triggering electric capacity 37 is connected with said the 3rd node 27; Said shunt resistance 36 is connected with said triggering electric capacity 37 side by side; Said divider resistance 35, first Zener diode 33 and second Zener diode 34 are serially connected with between the 3rd node 27 and the first node 25; The G utmost point of said triggering IGCT 38 is connected with said the 3rd node 27; The K utmost point of said triggering IGCT 38 is connected with the positive pole of said electric capacity; The A utmost point of said triggering IGCT 38 is connected with second input 40 of said igniter head 6.
The current signal that power supply 1 starts back input port 2 can flow to oscillation step-up circuit 3, handles through chip 11, produces the concussion waveform; Hang down the high pressure conversion by transformer 15 again, the energy storage rectifier circuit 4 of flowing through charges to storage capacitor 30; When voltage reaches the voltage of voltage stabilizing circuits for triggering 5 settings; Thereby 5 work of voltage stabilizing circuits for triggering trigger the G utmost point of IGCT 38, make extinguishing device to be started A, the pulse of K utmost point conducting output current that triggers IGCT 38.
The testing circuit 7 of the utility model comprises the 4th node 28, electric weight testing circuit 87, ignition circuit indicating circuit 9 and test button 10; Test button 10 comprises first test button 41 and second test button 42; First test button 41 is connected between power supply 1 and the ignition circuit indicating circuit 9; Second test button 42 is connected in the first input end 39 of power supply 1 and igniter head 6; The input of electric weight testing circuit 87 is connected with first test button 41; The output of electric weight testing circuit 87 is connected with the 4th node 28; The 4th node 28 is connected with oscillation step-up circuit 3; Ignition circuit indicating circuit 9 is connected between second input 40 of said the 4th node 28 and igniter head 6; When pressing first test button 41 and second test button 42; Power supply 1, igniter head 6, ignition circuit indicating circuit 9, electric weight detect indicating circuit and constitute two current paths respectively; Ignition circuit indicating circuit 9 is bright with the indicator lamp that electric weight detects in the indicating circuit; Show that battery is enough, igniter head 6 connects normal.Not working like indicator lamp shows that battery access failure or battery electric quantity are lower than normal value, if igniter head 6 lamps do not work, shows that igniter head 6 does not connect; Above-mentioned testing circuit 7 mainly is to have made things convenient for operating personnel to detect or debugging, and it is more comprehensive to make that device detects.
The high-voltage indicating circuit 43 of the utility model is connected between Section Point 26 and the first node 25, and it can adopt LED light emitting diode indication or other indicator lamp also passable with testing circuit 7, as long as reach indicating effect.
The collocation of the electronic component in the each several part circuit of the utility model is not limited only to above-mentioned connected mode, as long as can satisfy the function of circuit of the each several part of the utility model, can solve the utility model technical problem to be solved and get final product.