CN104482405B - High-pressure gas cylinder pressure-relief electric device with solenoid valve - Google Patents
High-pressure gas cylinder pressure-relief electric device with solenoid valve Download PDFInfo
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- CN104482405B CN104482405B CN201410619733.3A CN201410619733A CN104482405B CN 104482405 B CN104482405 B CN 104482405B CN 201410619733 A CN201410619733 A CN 201410619733A CN 104482405 B CN104482405 B CN 104482405B
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Abstract
A disclosed high-pressure gas cylinder pressure-relief electric device with a solenoid valve comprises a shell, a control circuit module arranged in the shell, and a plug communicated with the control circuit module and used for matched usage with a high-pressure gas cylinder solenoid valve coil; and the control circuit module comprises a power switch (SA), a switch transformer (Tr1), a rectification filter circuit, an RC absorption circuit, a sampling circuit, a detection circuit, a voltage stabilizing circuit, an automatic overload protection circuit, a regenerative feedback circuit and a workpiece indication circuit. The device is convenient to use, a medium is circulated and pressure is relieved after the high-pressure gas cylinder solenoid valve coil is powered on only by directly inserting the plug into a socket at the high-pressure gas cylinder solenoid valve coil for switching on the power switch of the electric device. After pressure relief is finished, the plug is withdrawn for switching off the power switch of the electric device, and the operation is safe and efficient. In the pressure relief process, the voltage is stable, and the circuit is capable of rapidly automatically cutting off the circuit once the equipment has short circuit, overload and other abnormal cases.
Description
Technical field
The present invention relates to gas cylinder release electrical equipment device, unload voltage electrical dress particularly to a kind of provided with electromagnetic valve gas cylinder
Put.
Background technology
In gas cylinder production process, after air-tight test finished by provided with electromagnetic valve gas cylinder, need the nitrogen of internal about 20mp
It is emitted into normal barometric pressure, generally production technology is such that 1. closing manually-operated gates；2. pulled down with spanner and tight spiral shell
Cap；3. pull down coil with handss rotate counterclockwise, after the coil component after pulling down, notice that its adnexa must not be lost, to make during refitting
With；4. pull down steel bushing with spanner；5. pull down steel bushing and valve element, notice that the spring on valve element and pin must not be lost；6. open one
Semi-manual valve venting, because the meeting take-off of aperture excessive excess flow valve, waits pressure relief of gas to finish, closes venting logical；7. venting terminates
Inversely restore according to said procedure.
But aforesaid operations process is loaded down with trivial details, greatly reduces production efficiency.
Content of the invention
It is an object of the invention to provide a kind of provided with electromagnetic valve gas cylinder release electric device, this provided with electromagnetic valve high pressure gas
Bottle release electric device can simplify provided with electromagnetic valve gas cylinder release step, greatly improves production efficiency.
Technical problem solved by the invention can employ the following technical solutions to realize:
A kind of provided with electromagnetic valve gas cylinder release electric device is it is characterised in that including housing and being arranged on described housing
Internal control circuit module and making in order to coordinate with gas cylinder electromagnetic valve coil of connect with described control circuit module
Plug, described control circuit module includes on and off switch sa, switch transformer tr1, current rectifying and wave filtering circuit, rc absorb back
Road, sample circuit, testing circuit, mu balanced circuit, automatic overload protecting circuit, positive-feedback circuit and workpiece indicating circuit,
Described current rectifying and wave filtering circuit includes inductance l1, l11, electric capacity c1, c2, c23, c3 and full bridge rectifier vd；
Described rc absorption circuit includes resistance r1, r3 and electric capacity c4, c8；
Described sample circuit includes resistance r13, r15, r16, adjustable resistance vr and electric capacity c18；
Described testing circuit includes square-wave generator ic2, resistance r14, electric capacity c17 and Zener diode vz1；
Described mu balanced circuit includes diode d7, Zener diode vz2, resistance r17 and electric capacity c15, c16, c18；
Described automatic overload protecting circuit includes photoelectrical coupler ic1, audion q4, electric capacity c11 and resistance r5, r8；
Described positive-feedback circuit includes audion q2, q3, resistance r6, r7, r8 and electric capacity c10, c12；
Described workpiece indicating circuit includes resistance r12 and light emitting diode led；
Described on and off switch sa is connected on 220v alternating source two input a, b, 220v alternating source two input a, b's
It is connected to 1 interface and 2 interfaces of described full bridge rectifier vd respectively by described inductance l1, l11, described 220v alternating source is defeated
Enter to hold to be provided between a and described inductance l1 electric fuse fu1, electric capacity c1 two ends are connected to 220v alternating source input b respectively
And between described inductance l1 and described electric fuse fu1, the two ends after described electric capacity c2, c3 concatenation are attempted by described complete respectively
On 1 interface and 2 interfaces of bridge rectification circuit vd, the public series side ground connection of described electric capacity c2, c3, described switch transformer tr1
One end n11 of armature winding n1 be connected to 3 interfaces of described full bridge rectifier vd, the primary of described switch transformer tr1 around
The other end n12 of group n1 is connected by 4 interfaces with described full bridge rectifier vd after the resistance r4 and electric capacity c9 of mutual concatenation
Connect, the positive pole of diode d1 is connected with the other end n12 of the armature winding n1 of described switch transformer tr1, described diode d1
Negative pole be connected with a common port of resistance r3 connected with each other, electric capacity c8, resistance r3 connected with each other, another public affairs of electric capacity c8
Altogether end is connected with one end n11 of the armature winding n1 of described switch transformer tr1, electric capacity c4 connected with each other, the one of resistance r1
Common port is connected with one end n11 of the armature winding n1 of described switch transformer tr1, electric capacity c4 connected with each other, resistance r1
Electric capacity c5, electric capacity c23 that another common port passes through mutual concatenation are connected with the public series side of described electric capacity c2, c3, and mutual
The electric capacity c5 of concatenation, the public series side of electric capacity c23 are connected with 4 interfaces of described full bridge rectifier vd, described full-bridge rectification
4 interfaces of circuit vd are grounded after passing through electric capacity c13, resistance r9 connected with each other, 4 interfaces of described full bridge rectifier vd with
The positive pole of diode d2 connects, and the negative pole of described diode d2 is connected with the positive pole of diode d3, the negative pole of described diode d3
Be connected with the base stage of described audion q1, described electric capacity c4 connected with each other, resistance r1 another common port after resistance r2
It is connected with the base stage of described audion q1, the emitter stage of described audion q1 passes through the colelctor electrode of resistance r8 and described audion q4
Connect, the base stage of described audion q4 is connected with the colelctor electrode of described photoelectrical coupler ic1, the base of described photoelectrical coupler ic1
Pole is grounded, the emitter stage of the emitter stage of described photoelectrical coupler ic1 and described audion q4 and pass through after connecing resistance r5 with described
The emitter stage of audion q1 connects, between the colelctor electrode of described audion q4 and emitter stage and be connected to electric capacity c11,
One end n21 of the secondary windings n2 of described switch transformer tr1 is connected with the positive pole of diode d7, described diode
Described inductance l2 and ammeter ma that the negative pole of d7 passes through mutual concatenation are connected with equipment output end positive pole, described switch transformation
The other end n22 of the secondary windings n2 of device tr1 is connected with equipment output end negative pole, and the two ends of described electric capacity c15, c16 are respectively simultaneously
It is connected on negative pole of output end and the negative pole of diode d7, described electric capacity c18, Zener diode vz2, the two ends of resistance r17 are divided
It is not connected on the negative pole of diode d7 and the common port of the described inductance l2 of described mutual concatenation and ammeter ma,
One end n31 of confession electric winding n3 of described switch transformer tr1 passes through resistance r8 and electric capacity connected with each other
It is connected with the base stage of described audion q1 after c10, diode d10, the positive pole of described diode d10 is with described resistance r8 even
Connect, the negative pole of described diode d10 is connected with the base stage of described audion q1, confession electric winding n3 of described switch transformer tr1
One end n31 be connected with the emitter stage of audion q3 by resistance r7, the colelctor electrode of described audion q3 and diode d6 are just
Pole connects, and the negative pole of described diode d6 is connected with the base stage of described audion q4, the base stage of described audion q3 and audion
The base stage of q2 connects, and the base stage of described audion q3 is connected with the emitter stage of described audion q4 by resistance r6, described three poles
Between the emitter and collector of pipe q3 respectively and be connected to electric capacity c12, diode d5, the positive pole of described diode d5 connects three poles
The colelctor electrode of pipe q3, the colelctor electrode of described audion q2 is connected with the emitter stage of described audion q4, and described audion q2 sends out
Emitter-base bandgap grading is connected with the base stage of described audion q1, the other end n32 of confession electric winding n3 of described switch transformer tr1 and diode
The positive pole of d4 connects, and the negative pole of described diode d4 is connected with the positive pole of described diode d6,
The input of described square-wave generator ic2 is connected with the common port of described inductance l2 and ammeter ma, described
The outfan of square-wave generator ic2 is connected with one end of resistance r14, the other end of described resistance r14 and Zener diode vz1
Negative pole connect, the plus earth of described Zener diode vz1, the two ends of described Zener diode vz1 are simultaneously connected to electric capacity c17,
Two ends after resistance r15 is concatenated with electric capacity c18 are connected to the input of described square-wave generator ic2 and described resistance respectively
Two ends after the other end of r14, resistance r13, r16 and adjustable resistance vr are sequentially connected in series are connected to described square-wave generator respectively
The input of ic2 and earth terminal, the adjustable positive pole being terminated at described Zener diode vz1 of described adjustable resistance vr, described electricity
Resistance r12 and described light emitting diode led be sequentially connected in series after two ends be connected to respectively described square-wave generator ic2 input and
Earth terminal, the negative pole of described light emitting diode led is connected to equipment output end negative pole.
Due to employing technical scheme as above, the present invention is easy to use, only plug need to be inserted directly into gas cylinder electricity
In socket at magnet valve coil, open the on and off switch sa of electric device, the coil electricity of gas cylinder solenoid, electromagnetic core
Adhesive, pressure relief vent is opened, and main piston is promoted by pressure medium, opens primary valve, flow of media release.After release finishes, turn off
Equipment electric device on and off switch transfers to plug, not only safely but also efficient, and a provided with electromagnetic valve gas cylinder unloads voltage electrical dress
Putting can be about 10 gas cylinder releases simultaneously simultaneously, greatly reduce operator's manual operations time, and work produces effect
Rate can improve more than 10 times.And in stress-relief process, voltage stabilization, once the abnormal conditions such as short circuit, overload, electricity in equipment
Road can rapid automatic shutdown circuit.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the contour structures schematic diagram of an embodiment of the present invention.
Fig. 2 is the circuit theory diagrams of the control circuit module of an embodiment of the present invention.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention realizes are easy to understand, enter below
One step illustrates the present invention.
Shown in Figure 1, a kind of provided with electromagnetic valve gas cylinder release electric device includes housing 100 and is arranged on housing
Control circuit module (as shown in Figure 2) within 100 and connect with control circuit module in order to gas cylinder electromagnetic valve
The plug 200 that fitting coils use, is provided with ammeter viewport 110, shift knob 120, light emitting diode in housing 100 front end
Led indicator hole 130 and short-circuit display lamp 140.
In conjunction with shown in Fig. 2, control circuit module includes on and off switch sa, switch transformer tr1, current rectifying and wave filtering circuit, rc
Absorption circuit, sample circuit, testing circuit, mu balanced circuit, automatic overload protecting circuit, positive-feedback circuit and workpiece instruction electricity
Road.
Current rectifying and wave filtering circuit includes inductance l1, l11, electric capacity c1, c2, c23, c3 and full bridge rectifier vd.Rc absorbs back
Road includes resistance r1, r3 and electric capacity c4, c8.Sample circuit includes resistance r13, r15, r16, adjustable resistance vr and electric capacity c18.Inspection
Slowdown monitoring circuit includes square-wave generator ic2, resistance r14, electric capacity c17 and Zener diode vz1.Mu balanced circuit includes diode
D7, Zener diode vz2, resistance r17 and electric capacity c15, c16, c18.Automatically overload protecting circuit include photoelectrical coupler ic1,
Audion q4, electric capacity c11 and resistance r5, r8.Positive-feedback circuit include audion q2, q3, resistance r6, r7, r8 and electric capacity c10,
c12.Workpiece indicating circuit includes resistance r12 and light emitting diode led.
On and off switch sa is connected on 220v alternating source two input a, b, the difference of 220v alternating source two input a, b
Be connected to 1 interface and 2 interfaces of full bridge rectifier vd by inductance l1, l11,220v alternating source input a and inductance l1 it
Between be provided with electric fuse fu1, electric capacity c1 two ends are connected to 220v alternating source input b and inductance l1 and electric fuse respectively
Between fu1, the two ends after electric capacity c2, c3 concatenation are attempted by 1 interface and 2 interfaces of full bridge rectifier vd respectively, electric capacity
The public series side ground connection of c2, c3, one end n11 of the armature winding n1 of switch transformer tr1 is connected to the 3 of full bridge rectifier vd
Interface, after resistance r4 and electric capacity c9 that the other end n12 of the armature winding n1 of switch transformer tr1 passes through mutual concatenation with complete
4 interfaces of bridge rectification circuit vd connect, the other end of the armature winding n1 of the positive pole of diode d1 and described switch transformer tr1
N12 connects, and the negative pole of diode d1 is connected with a common port of resistance r3 connected with each other, electric capacity c8, resistance connected with each other
R3, another common port of electric capacity c8 are connected with one end n11 of the armature winding n1 of switch transformer tr1, electric capacity connected with each other
C4, a common port of resistance r1 are connected with one end n11 of the armature winding n1 of switch transformer tr1, electric capacity c4 connected with each other,
Electric capacity c5, electric capacity c23 that another common port of resistance r1 passes through mutual concatenation are connected with the public series side of electric capacity c2, c3, and
Mutually the electric capacity c5 of concatenation, the public series side of electric capacity c23 are connected with 4 interfaces of full bridge rectifier vd, full bridge rectifier
4 interfaces of vd pass through ground connection after electric capacity c13, resistance r9 connected with each other, 4 interfaces of full bridge rectifier vd and diode d2
Positive pole connect, the negative pole of diode d2 is connected with the positive pole of diode d3, the base stage of the negative pole of diode d3 and audion q1
Connect, electric capacity c4 connected with each other, another common port of resistance r1 are connected with the base stage of audion q1 after resistance r2, three poles
The emitter stage of pipe q1 is connected with the colelctor electrode of audion q4 by resistance r8, and the base stage of audion q4 is with photoelectrical coupler ic1's
Colelctor electrode connects, the base earth of photoelectrical coupler ic1, and the emitter stage of the emitter stage of photoelectrical coupler ic1 and audion q4 is simultaneously
It is connected with the emitter stage of audion q1 by resistance r5 after connecing, between the colelctor electrode of audion q4 and emitter stage and be connected to electric capacity
c11.
One end n21 of the secondary windings n2 of switch transformer tr1 is connected with the positive pole of diode d7, the negative pole of diode d7
It is connected with equipment output end positive pole by the inductance l2 and ammeter ma of mutual concatenation, the secondary windings of switch transformer tr1
The other end n22 of n2 is connected with equipment output end negative pole, and the two ends of electric capacity c15, c16 are connected to negative pole of output end and two respectively
On the negative pole of pole pipe d7, electric capacity c18, Zener diode vz2, the two ends of resistance r17 be connected to respectively the negative pole of diode d7 with
And on the common port of inductance l2 and ammeter ma of mutual concatenation.
One end n31 of confession electric winding n3 of switch transformer tr1 pass through resistance r8 and electric capacity c10 connected with each other, two
Be connected with the base stage of audion q1 after pole pipe d10, the positive pole of diode d10 is connected with resistance r8, the negative pole of diode d10 with
The base stage of audion q1 connects, and one end n31 of confession electric winding n3 of switch transformer tr1 passes through sending out of resistance r7 and audion q3
Emitter-base bandgap grading connects, and the colelctor electrode of described audion q3 is connected with the positive pole of diode d6, and the negative pole of diode d6 is with audion q4's
Base stage connects, and the base stage of audion q3 is connected with the base stage of audion q2, and the base stage of audion q3 passes through resistance r6 and audion
The emitter stage of q4 connects, between the emitter and collector of audion q3 respectively and be connected to electric capacity c12, diode d5, diode
The colelctor electrode of the positive pole connecting triode q3 of d5, the colelctor electrode of audion q2 is connected with the emitter stage of audion q4, audion q2
Emitter stage be connected with the base stage of audion q1, the other end n32's and diode d4 of confession electric winding n3 of switch transformer tr1
Positive pole connects, and the negative pole of diode d4 is connected with the positive pole of diode d6.
The input of square-wave generator ic2 is connected with the common port of inductance l2 and ammeter ma, square-wave generator
The outfan of ic2 is connected with one end of resistance r14, and the other end of resistance r14 is connected with the negative pole of Zener diode vz1, voltage stabilizing
The plus earth of diode vz1, the two ends of Zener diode vz1 are simultaneously connected to electric capacity c17, after resistance r15 is concatenated with electric capacity c18
Two ends are connected to the input of square-wave generator ic2 and the other end of resistance r14, resistance r13, r16 and adjustable electric respectively
Hinder input and the earth terminal that the two ends after vr is sequentially connected in series are connected to square-wave generator ic2 respectively, adjustable resistance vr's is adjustable
It is terminated at the positive pole of Zener diode vz1, the two ends after resistance r12 and described light emitting diode led is sequentially connected in series are connected to respectively
The input of square-wave generator ic2 and earth terminal, the negative pole of light emitting diode led is connected to equipment output end negative pole.
The operation principle of the present invention is as follows:
During use, plug is inserted directly in socket at gas cylinder electromagnetic valve coil, the power supply opening electric device is opened
Close sa, the coil electricity of gas cylinder solenoid, electromagnetic core adhesive, pressure relief vent is opened, and main piston is promoted by pressure medium,
Open primary valve, flow of media release.After release finishes, turn off equipment electric device on and off switch and transfer to plug, both pacified
Complete and efficient, a provided with electromagnetic valve gas cylinder release electric device can be about 10 gas cylinder releases simultaneously simultaneously, greatly
Decrease greatly operator's manual operations time, labor productivity can improve more than 10 times.And in stress-relief process, voltage
Stable, once the abnormal conditions such as short circuit, overload in equipment, circuit can rapid automatic shutdown circuit.
And in the course of the work, after control circuit module is connected, 220v alternating current power supply is first through on and off switch sa, insurance fu1
Afterwards, the dual lc anti-interference filtration circuit forming to inductance l1, l11, electric capacity c1, c2, c23, c3, is added separately to full-bridge rectification electricity
The ac input end of road vd, another road, after resistance r3 resistance, carries out large bulk capacitance filtering by electric capacity c5 below, in circuit
In, resistance r1, r3 and electric capacity c4, c8 composition rc absorption circuit, can absorbing coil cut-off when the reverse high induction voltage that produces, from
And protecting audion q1 not breakdown, the audion q1 at this is switching tube, and resistance r1, the r2 in circuit is to start electricity
Resistance, provides, for audion q1, the base current starting, and r13, r16, vr are sample resistance, provides sampling electricity for audion q2
Pressure, detects that sampling voltage removes control rectangle wave producer ic2 through comparing after amplification.The output pulse of square-wave generator ic2
It is conducting and the deadline controlling audion q1.If output voltage u0 because the variation of line voltage or load current and
Reduce, the output pulse of square-wave generator ic2 will be made to broaden, then audion q1 ON time increases, make lc energy storage electricity
To more energy, result is to make output voltage u 0 elevated to rood, has reached the purpose of regulated output voltage.
In circuit, ic1 is photoelectrical coupler, plays forceful electric power light current buffer action, so that it is guaranteed that the safe audion of output voltage
Q2, the positive-feedback circuit of q3, resistance r6, r7, r8 and electric capacity c10, c12 composition, take in sampling winding from switch transformer tr1
Go out induced voltage, be added to the base stage of audion q1, maintain vibration.
Operator can facilitate intuitively understanding loading condition by ammeter ma, and switch transformer tr1 is in Voltage Cortrol
Its energy is come interim storage by inductance coil, and so its loss is just little, and efficiency is also just high, and the requirement to radiating is low, but
It there has also been higher requirement to transformator and energy storage inductance, makes of the material of low-loss high magnetic permeability, its aggregate efficiency exists
80%～98%, and the efficiency high of Switching Power Supply sa but small volume.
Ultimate principle and principal character and the advantages of the present invention of the present invention have been shown and described above.The technology of the industry
, it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description is originally for personnel
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and its
Equivalent thereof.
Claims (1)
1. a kind of provided with electromagnetic valve gas cylinder release electric device is it is characterised in that including housing and being arranged in described housing
The control circuit module in portion and connect with described control circuit module in order to use cooperatively with gas cylinder electromagnetic valve coil
Plug, described control circuit module include on and off switch sa, switch transformer tr1, current rectifying and wave filtering circuit, rc absorption circuit,
Sample circuit, testing circuit, mu balanced circuit, automatic overload protecting circuit, positive-feedback circuit and workpiece indicating circuit,
Described current rectifying and wave filtering circuit includes inductance l1, l11, electric capacity c1, c2, c23, c3 and full bridge rectifier vd；
Described rc absorption circuit includes resistance r1, r3 and electric capacity c4, c8；
Described sample circuit includes resistance r13, r15, r16, adjustable resistance vr and electric capacity c18；
Described testing circuit includes square-wave generator ic2, resistance r14, electric capacity c17 and Zener diode vz1；
Described mu balanced circuit includes diode d7, Zener diode vz2, resistance r17 and electric capacity c15, c16, c18；
Described automatic overload protecting circuit includes photoelectrical coupler ic1, audion q4, electric capacity c11 and resistance r5, r8；
Described positive-feedback circuit includes audion q2, q3, resistance r6, r7, r8 and electric capacity c10, c12；
Described workpiece indicating circuit includes resistance r12 and light emitting diode led；
Described on and off switch sa is connected on 220v alternating source two input a, b, the difference of 220v alternating source two input a, b
It is connected to 1 interface and 2 interfaces of described full bridge rectifier vd, described 220v alternating source input by described inductance l1, l11
Be provided with electric fuse fu1 between a and described inductance l1, electric capacity c1 two ends be connected to respectively 220v alternating source input b and
Between described inductance l1 and described electric fuse fu1, it is whole that the two ends after described electric capacity c2, c3 concatenation are attempted by described full-bridge respectively
On 1 interface and 2 interfaces of current circuit vd, the public series side ground connection of described electric capacity c2, c3, described switch transformer tr1's is first
One end n11 of level winding n1 is connected to 3 interfaces of described full bridge rectifier vd, the armature winding n1 of described switch transformer tr1
Other end n12 pass through mutual concatenation resistance r4 and electric capacity c9 after be connected with 4 interfaces of described full bridge rectifier vd, two
The positive pole of pole pipe d1 is connected with the other end n12 of the armature winding n1 of described switch transformer tr1, the negative pole of described diode d1
Be connected with a common port of resistance r3 connected with each other, electric capacity c8, resistance r3 connected with each other, another common port of electric capacity c8 with
One end n11 of the armature winding n1 of described switch transformer tr1 connects, electric capacity c4 connected with each other, a common port of resistance r1
It is connected with one end n11 of the armature winding n1 of described switch transformer tr1, electric capacity c4 connected with each other, another public affairs of resistance r1
Altogether end is connected with the public series side of described electric capacity c2, c3 by electric capacity c5, the electric capacity c23 of mutual concatenation, and mutually concatenation
Electric capacity c5, the public series side of electric capacity c23 are connected with 4 interfaces of described full bridge rectifier vd, described full bridge rectifier vd
4 interfaces pass through electric capacity c13, resistance r9 connected with each other after be grounded, 4 interfaces of described full bridge rectifier vd and diode
The positive pole of d2 connects, and the negative pole of described diode d2 is connected with the positive pole of diode d3, the negative pole of described diode d3 and three poles
The base stage of pipe q1 connects, described electric capacity c4 connected with each other, resistance r1 another common port after resistance r2 with described three poles
The base stage of pipe q1 connects, and the emitter stage of described audion q1 is connected with the colelctor electrode of described audion q4 by resistance r8, described
The base stage of audion q4 is connected with the colelctor electrode of described photoelectrical coupler ic1, the base earth of described photoelectrical coupler ic1, institute
State the emitter stage of photoelectrical coupler ic1 and pass through resistance r5 and described audion q1's with the emitter stage of described audion q4 and after connecing
Emitter stage connects, between the colelctor electrode of described audion q4 and emitter stage and be connected to electric capacity c11,
One end n21 of the secondary windings n2 of described switch transformer tr1 is connected with the positive pole of diode d7, described diode d7's
Inductance l2 and ammeter ma that negative pole passes through mutual concatenation are connected with equipment output end positive pole, described switch transformer tr1's
The other end n22 of secondary windings n2 is connected with equipment output end negative pole, and the two ends of described electric capacity c15, c16 are connected to output respectively
On the negative pole of end negative pole and diode d7, described electric capacity c18, Zener diode vz2, the two ends of resistance r17 are connected to respectively
On the common port of described inductance l2 and ammeter ma of the negative pole of diode d7 and described mutual concatenation,
One end n31 of confession electric winding n3 of described switch transformer tr1 pass through resistance r8 and electric capacity c10 connected with each other, two
It is connected with the base stage of described audion q1 after pole pipe d10, the positive pole of described diode d10 is connected with described resistance r8, described
The negative pole of diode d10 is connected with the base stage of described audion q1, one end of confession electric winding n3 of described switch transformer tr1
N31 is connected with the emitter stage of audion q3 by resistance r7, and the colelctor electrode of described audion q3 is connected with the positive pole of diode d6,
The negative pole of described diode d6 is connected with the base stage of described audion q4, the base stage of described audion q3 and the base stage of audion q2
Connect, the base stage of described audion q3 is connected with the emitter stage of described audion q4 by resistance r6, described audion q3 sends out
Between emitter-base bandgap grading and colelctor electrode respectively and be connected to electric capacity c12, diode d5, the collection of the positive pole connecting triode q3 of described diode d5
Electrode, the colelctor electrode of described audion q2 is connected with the emitter stage of described audion q4, the emitter stage of described audion q2 and institute
The base stage stating audion q1 connects, the positive pole of the other end n32 and diode d4 of confession electric winding n3 of described switch transformer tr1
Connect, the negative pole of described diode d4 is connected with the positive pole of described diode d6,
The input of described square-wave generator ic2 is connected with the common port of described inductance l2 and ammeter ma, described rectangle
The outfan of wave producer ic2 is connected with one end of resistance r14, and the other end of described resistance r14 is negative with Zener diode vz1's
Pole connects, the plus earth of described Zener diode vz1, and the two ends of described Zener diode vz1 are simultaneously connected to electric capacity c17, resistance
Two ends after r15 is concatenated with electric capacity c18 are connected to the input of described square-wave generator ic2 and described resistance r14 respectively
Two ends after the other end, resistance r13, r16 and adjustable resistance vr are sequentially connected in series are connected to described square-wave generator ic2's respectively
Input and earth terminal, the adjustable positive pole being terminated at described Zener diode vz1 of described adjustable resistance vr, described resistance r12
Two ends after being sequentially connected in series with described light emitting diode led are connected to input and the ground connection of described square-wave generator ic2 respectively
End, the negative pole of described light emitting diode led is connected to equipment output end negative pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410619733.3A CN104482405B (en) | 2014-11-05 | 2014-11-05 | High-pressure gas cylinder pressure-relief electric device with solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410619733.3A CN104482405B (en) | 2014-11-05 | 2014-11-05 | High-pressure gas cylinder pressure-relief electric device with solenoid valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104482405A CN104482405A (en) | 2015-04-01 |
| CN104482405B true CN104482405B (en) | 2017-01-18 |
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| FR2872228A1 (en) * | 2004-06-25 | 2005-12-30 | Europ D Electricite Automatism | EQUIPMENT FOR RECYCLING AND PRESSURIZING A CONDENSABLE GAS, IN PARTICULAR XENON IN A CLOSED CIRCUIT |
| CN2895979Y (en) * | 2006-04-30 | 2007-05-02 | 西安龙德科技发展有限公司 | Electric control device of heat pressing can |
| CN201661845U (en) * | 2009-12-29 | 2010-12-01 | 辽宁省标准化研究院 | Dangerous chemical gas cylinder charging controller |
| CN202852420U (en) * | 2012-10-12 | 2013-04-03 | 甘肃中集华骏车辆有限公司 | Pressure release device of liquid carbon dioxide storage tank |
| WO2014124102A1 (en) * | 2013-02-07 | 2014-08-14 | Canadian Standards Association Group | Hydrogen dispenser test apparatus and method |
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