CN102394613A - Single pulse power supply time delay circuit - Google Patents
Single pulse power supply time delay circuit Download PDFInfo
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- CN102394613A CN102394613A CN2011103252833A CN201110325283A CN102394613A CN 102394613 A CN102394613 A CN 102394613A CN 2011103252833 A CN2011103252833 A CN 2011103252833A CN 201110325283 A CN201110325283 A CN 201110325283A CN 102394613 A CN102394613 A CN 102394613A
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Abstract
The invention discloses a single pulse power supply time delay circuit comprising a pulse clipping protective circuit, a trigger power tank circuit, a working power tank circuit, a trigger switch circuit, a voltage division tank circuit, a signal producing circuit, a timing circuit, a drive power tank circuit and an output driving circuit. Two mutually independent pulse power supplies are respectively input into a working power input end and a driving power input end, the input electric energy is respectively latched by an electric energy latch circuit, and pulse signals produced by a multi-vibrator are counted by a counter to realize the time delay function. When delay trigger is needed, a trigger positive terminal and a trigger negative terminal are short-circuited, and drive current pulse is output after a preset time delay interval, thus realizing delay trigger for driving a load to work. The time delay circuit has a single pulse power supply and an energy storage structure, has the advantages of zero quiescent power dissipation, high time delay accuracy, small volume and high reliability, and is suitable for wide popularization and use.
Description
Technical field
the present invention relates to a kind of pulse power supply delay circuit.
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Background technology
often can't adopt battery to supply electric energy in some strong vibration and thump occasion and when needing in the product of longer-term storage the applying electronic delayer; At this moment need adopt a kind of pulse formula power supply to be the electro-delay system power supply in advance; Wait for then and triggering; After obtaining triggering signal, delayer picks up counting, and reaches output driving pulse energy behind the setting-up time.
existing electro-delay system needs the power supply continued power when working; Because the quiescent dissipation of electro-delay system self is big; In case current supply circuit breaks off; With regard to approach exhaustion, electro-delay system has just lost time-delay driving function to a small amount of power supply energy that electro-delay system stores like this before triggering signal arrives.If through battery is reinforced for electro-delay system provides power supply, though it has satisfied the environment for use requirement of delay circuit to a certain extent, be unfavorable for long term storage, and its volume is big, can not satisfy the requirement of electronic equipment small size and high reliability.
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Summary of the invention
the objective of the invention is to overcome the shortcoming of prior art, and a kind of delay circuit by the power supply of pulse power supply of zero quiescent dissipation is provided.
For achieving the above object, the technical scheme that the present invention adopts is:
A kind of pulse power supply delay circuit, said delay circuit comprises:
The electric energy latch cicuit; Comprise working power accumulator, the triggering power supply accumulator that can latch the electric energy of importing by said working pulse power supply that can latch the electric energy of importing by the working pulse power supply, the driving power accumulator that can latch the electric energy of importing by the driving pulse power supply; The earth terminal of said working power accumulator, said triggering power supply accumulator all is connected to said working pulse power supply ground; The earth terminal of said driving power accumulator is connected to said driving pulse power supply ground; The anode of said triggering power supply accumulator is drawn as triggering anode, and the output of said driving power accumulator is drawn as driving anode;
The pulse limiter protection circuit; Have a unipolarity and prevent first components and parts of voltage transient; Said first components and parts are connected in parallel between said working pulse power input and the said working pulse power supply ground, and said working pulse power supply carries out delivering to said working power accumulator, said triggering power supply accumulator behind the amplitude limit through said pulse limiter protection circuit;
Signal generating circuit; Comprise a multivibrator; The power end of said multivibrator links to each other with the output of said working power accumulator; The earth terminal of said multivibrator is connected to said driving pulse power supply ground, and the pulse signal that said multivibrator produces is delivered to the timing circuit with tally function;
Said timing circuit comprises a counter; The power end of said counter links to each other with the output of said working power accumulator; The earth terminal of said counter is connected to said driving pulse power supply ground, and the signal output part of said counter is connected with said output driving circuit;
Between the output that dividing potential drop accumulator, said dividing potential drop accumulator are serially connected in said working power accumulator and the said driving pulse power supply ground and with said signal generating circuit, said timing circuit mutually and connect;
The trigger switch circuit comprises first thyristor, and the negative electrode of said first thyristor, anode join with said working pulse power supply ground, said driving pulse power supply ground respectively, and the trigger electrode of said first thyristor is drawn as triggering negative terminal;
Output driving circuit; Comprise second thyristor; The negative electrode of said second thyristor is connected to said driving pulse power supply ground, and the anode of said second thyristor is drawn as driving negative terminal, links to each other with the output of said driving power accumulator behind anode series first resistance of said second thyristor; The trigger electrode of said second thyristor is drawn with the signal output part of said timing circuit and is linked to each other
Between
said driving anode and the said driving negative terminal and be connected to load; When said triggering anode and said triggering negative terminal mutually during short circuit; The conducting that is triggered of said trigger switch circuit, said multivibrator produces pulse signal, and this signal is sent to said timing circuit; Said timing circuit is counted a number to each cycle of said pulse signal; Satisfy when counting after the requirement of delay time of said delay circuit, said timing circuit sends the said output driving circuit conducting of signal triggering, and the electric energy that said driving power accumulator stores is discharged in the said load.
preferably, said working power accumulator, said triggering power supply accumulator, said driving power accumulator by one have the unidirectional conducting of rectification function second components and parts be connected in series mutually with a storage capacitor and form.
further preferably, said second components and parts are the fast switching diode that recovers.
preferably, said multivibrator is the driving multivibrator of enhancing be made up of RC network and a plurality of gate circuit.
preferably, said dividing potential drop accumulator comprises a storage capacitor.
preferably; Said output driving circuit also comprises a plurality of divider resistances; Said a plurality of divider resistance is attempted by between the trigger electrode and said driving pulse power supply ground of said second thyristor, and the signal of the signal output part of said timing circuit output is through delivering to the trigger electrode of said second thyristor after the dividing potential drop.
preferably, the resistance value of said first resistance is much larger than the resistance value of said load.
preferably, between the negative electrode of said first thyristor and the trigger electrode also and be connected to a plurality of divider resistances, said triggering anode and said triggering negative terminal mutually behind the short circuit trigger voltage pass through the trigger electrode of delivering to said first thyristor after the dividing potential drop.
preferably, said first components and parts are that unidirectional transition suppresses diode.
are because the utilization of technique scheme; The present invention compared with prior art has advantage: the present invention utilizes the separate pulse power of two-way to be input to working power input and driving power input respectively; The pulse electric energy of input is latched the follow-up circuit triggers of confession or work usedly through the electric energy latch cicuit, and count through the pulse signal that adopts counter that multivibrator is produced and to realize the function of delaying time.When the needs time-delay triggers, will trigger anode and trigger negative terminal short circuit mutually, after postponing through the delay time of presetting, the output driving current pulse realizes that time-delay triggers the driving loaded work piece.Pulse of the present invention power supply delay circuit is supplied power by pulse, and himself has energy storage structure, has zero quiescent dissipation, advantage that delay precision is high, and simultaneously, its volume is little, and reliability is high.This delay circuit has overcome shortcoming of the prior art, is fit to promote the use of widely.
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Description of drawings
Accompanying drawing 3 is the schematic diagram that triggers the power supply accumulator in the pulse power supply delay circuit of the present invention;
Accompanying drawing 4 is the schematic diagram of working power accumulator in the pulse power supply delay circuit of the present invention;
Accompanying drawing 6 is the schematic diagram of dividing potential drop accumulator in the pulse power supply delay circuit of the present invention;
Accompanying drawing 7 is the schematic diagram of signal generating circuit in the pulse power supply delay circuit of the present invention;
Accompanying drawing 9 is the schematic diagram of driving power accumulator in the pulse power supply delay circuit of the present invention;
accompanying drawing 10 is the schematic diagram of output driving circuit in the pulse power supply delay circuit of the present invention.
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Embodiment
Technical scheme of the present invention is set forth further below in conjunction with embodiment shown in the drawings in
.
referring to shown in Figure 1, pulse power supply delay circuit of the present invention comprises pulse limiter protection circuit 1, triggers power supply accumulator 2, working power accumulator 3, trigger switch circuit 4, dividing potential drop accumulator 5, signal generating circuit 6, timing circuit 7, driving power accumulator 8, output driving circuit 9.
are referring to shown in Figure 2; Pulse limiter protection circuit 1 comprises that a unipolarity prevents first components and parts of voltage transient; What adopt in the present embodiment is that response speed is fast; Allow the bigger unidirectional transition of instantaneous power consumption to suppress diode V1; This unidirectional transition suppresses diode V1 and is connected in parallel between working pulse power input and the working pulse power supply ground GND1, and like this, the working pulse power supply passes through unidirectional transition inhibition diode V1 to carry out amplitude limit and deliver in the follow-up circuit later on again and supply power for circuit.
are referring to shown in Figure 3; Rectifier diode V3 is connected in series mutually to constitute with capacitor C 2 and triggers power supply accumulator 2; The positive pole of rectifier diode V3 is connected with the input of working pulse power supply; Its negative pole links to each other with an end of capacitor C 2; The other end of capacitor C 2 then is connected to working pulse power supply ground GND1, and used when capacitor C 2 can store electric energy that a part discharges by the working pulse power supply and supplies delay circuit to trigger, capacitor C 2 is drawn as triggering anode with the end that rectifier diode V3 joins.
are referring to shown in Figure 4; Rectifier diode V2 is connected in series mutually with capacitor C 1 and constitutes working power accumulator 3; The positive pole of rectifier diode V2 is connected with the input of working pulse power supply; Its negative pole links to each other with an end of capacitor C 1, and the other end of capacitor C 1 then is connected to working pulse power supply ground GND1, and capacitor C 1 can store the electric energy that a part is discharged by the working pulse power supply; Capacitor C 1 is an output with the end that rectifier diode V2 joins, and the power end of the signal generating circuit 6 of this output and accompanying drawing 7 and the timing circuit 7 of accompanying drawing 8 links to each other and provides work required electric energy for it.
are referring to shown in Figure 5; Trigger switch circuit 4 comprises the first thyristor V4; The negative electrode of the first thyristor V4, anode link to each other with working pulse power supply ground GND1, driving pulse power supply ground GND2 respectively; Also and be connected to divider resistance R1, R2, the trigger electrode of the first thyristor V4 is drawn as triggering negative terminal, like this through R1 between the negative electrode of the first thyristor V4 and trigger electrode; When triggering anode and trigger negative terminal mutually during short circuit, the electric energy that is stored by capacitor C 2 discharges the trigger voltage that produces and delivers to the trigger electrode of the first thyristor V4 after through R1, R2 dividing potential drop and realize triggering.
are referring to shown in Figure 6; Dividing potential drop accumulator 5 comprises a dividing potential drop storage capacitor C3; This capacitor C 3 is serially connected between the output and driving pulse power supply ground GND2 of working power accumulator 3; Simultaneously with signal generating circuit 6 and timing circuit 7 mutually and connect, it can store the electric energy that a part is discharged by working power accumulator 3 like this, thereby guarantees that signal generating circuit 6 and timing circuit 7 work continuously normally.
are referring to shown in Figure 7; Signal generating circuit 6 comprises a multivibrator; This multivibrator is the driving multivibrator of enhancing be made up of RC network and a plurality of gate circuit; This multivibrator is made up of the first not gate D1A, the second not gate D1B, the 3rd not gate D1C, the 4th not gate D1E, resistance R s, resistance R t, ROHS Ct; The first not gate D1A, the 3rd not gate D1C, the 4th not gate D1E, resistance R t, resistance R s are connected in series successively; Be electrically connected with the second not gate D1B and the ROHS Ct of serial connection mutually between the serial connection point of the serial connection point of the first not gate D1A and the 3rd not gate D1C and resistance R t and resistance R s, can be so that the continuous signal of this multivibrator generation through adjustment resistance R t and ROHS Ct, the power end of this multivibrator links to each other with the output of working power accumulator; Its earth terminal is connected to driving pulse power supply ground GND2, and the pulse signal of its generation is delivered to the signal input part of the timing circuit 7 that has tally function in the accompanying drawing 8 through output out.
are referring to shown in Figure 8; Timing circuit 7 comprises counter D2; The power end VDD of this counter D2 links to each other with the output of working power accumulator 3; Its earth terminal GND is connected to driving pulse power supply ground GND2, and its signal input part CLK links to each other with the signal output part of signal generating circuit 6, and its signal output part OUT1 is connected with output driving circuit 9.
are referring to shown in Figure 9; Rectifier diode V6 is connected in series mutually with capacitor C 5 and constitutes driving power accumulator 8; The positive pole of rectifier diode V6 is connected with the input of driving pulse power supply; Its negative pole links to each other with an end of capacitor C 5, and the other end of capacitor C 5 is connected to driving pulse power supply ground GND2, and the end that rectifier diode V6 and capacitor C 5 are joined is drawn as driving anode.
are referring to shown in Figure 10; Output driving circuit 9 comprises the second thyristor V5; The negative electrode of the second thyristor V5 is connected to driving pulse power supply ground GND2; The anode of the second thyristor V5 is drawn as driving negative terminal (being the B end among Figure 10); The anode of the second thyristor V5 is connected in series output after first resistance R 7 (being the A end among Figure 10) simultaneously and links to each other with the output of driving power accumulator 8, between the trigger electrode of the second thyristor V5 and the negative electrode and also and be connected to divider resistance R5, R6, the trigger electrode of the second thyristor V5 is drawn with the signal output part of timing circuit 7 through resistance R 5 and is linked to each other; Like this, the signal voltage of the signal output part of timing circuit 7 output is realized triggering through the trigger electrode of delivering to the second thyristor V5 after the dividing potential drop.
Triggering power supply accumulator 2 among
Fig. 3, the working power accumulator 3 among Fig. 4 and the driving power accumulator 8 among Fig. 9 are the pulse power of input stored and supply subsequent conditioning circuit used; The three constitutes the electric energy latch cicuit; In order to guarantee electric capacity charging response speed, rectifier diode V3, V2, V6 all adopt fast recovery switching diode.
drive anode and drive between the negative terminal (being between A end and B hold) and be connected to load.When working pulse power supply and this delay circuit of driving pulse power supply input; Input triggered power supply accumulator 2 and working power accumulator 3 after the unidirectional transition of working pulse power supply in pulse limiter protection circuit 1 suppressed diode V1 amplitude limit; Capacitor C 1, capacitor C 2 are got up the electrical power storage of working pulse power supply input; Capacitor C 5 is got up the electrical power storage of driving pulse power supply input, and the storage capacitor C3 of dividing potential drop accumulator 5 charges to guarantee the continuous operation of signal generating circuit 6 and timing circuit 7 simultaneously.When triggering anode and triggering negative terminal mutually during short circuit; Triggering the electric energy that is stored by capacitor C 2 in the power supply accumulator 2 discharges; The first thyristor V4 of trigger switch circuit 4 is triggered, and working pulse power supply ground GND1 is connected with driving pulse power supply ground GND2, at this moment; Capacitor C 1 is that the capacitor C 3 in the dividing potential drop accumulator 5 is charged to guarantee the continuous operation of signal generating circuit 6 and timing circuit 7 for signal generating circuit 6 and timing circuit 7 provide electric energy simultaneously in the working power accumulator 3.Signal generating circuit 6 obtains to start working behind the electric energy with timing circuit 7; The multivibrator of signal generating circuit 6 produces pulse signal continuously; Each cycle of timing circuit 7 pulse signals is counted a number; Satisfy when counting after the requirement of delay time of said delay circuit, the counter of counting circuit 7 sends signal, the second thyristor V5 of output driving circuit 9 conducting that is triggered; Energy stored is released to electric on the capacitor C 5 of driving power accumulator 8, and current in loop flow back into driving pulse power supply ground GND2 through the second thyristor V5.In order to make this electric energy major part all can be used for this load, the resistance value of resistance R 7 is generally much larger than the resistance value of this load.
the present invention utilizes the separate pulse power of two-way to be input to working power input and driving power input respectively; Latch the follow-up circuit triggers of confession or work used through the pulse electric energy of electric energy latch cicuit input; And count through the pulse signal that adopts counter that multivibrator is produced and to realize the function of delaying time, the counting coefficient of counter and the product of the cycle of oscillation of pulse signal are the delay time Δ t of delay circuit of the present invention.When needs time-delays triggers, will trigger anode with trigger negative terminal mutually short circuit together, after postponing through delay time Δ t, the output driving current pulse realizes that the function of time-delay triggering driving drives loaded work piece.Pulse of the present invention power supply delay circuit is supplied power by pulse, and himself has energy storage structure, has zero quiescent dissipation, advantage that delay precision is high, and simultaneously, its volume is little, and reliability is high.This delay circuit has overcome shortcoming of the prior art, is fit to promote the use of widely.
the foregoing description only is explanation technical conceive of the present invention and characteristics; Its purpose is to let the personage that is familiar with this technology can understand content of the present invention and implements; Can not limit protection scope of the present invention with this; All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (9)
1. pulse power supply delay circuit, it is characterized in that: said delay circuit comprises:
The electric energy latch cicuit; Comprise working power accumulator, the triggering power supply accumulator that can latch the electric energy of importing by said working pulse power supply that can latch the electric energy of importing by the working pulse power supply, the driving power accumulator that can latch the electric energy of importing by the driving pulse power supply; The earth terminal of said working power accumulator, said triggering power supply accumulator all is connected to said working pulse power supply ground; The earth terminal of said driving power accumulator is connected to said driving pulse power supply ground; The anode of said triggering power supply accumulator is drawn as triggering anode, and the output of said driving power accumulator is drawn as driving anode;
The pulse limiter protection circuit; Have a unipolarity and prevent first components and parts of voltage transient; Said first components and parts are connected in parallel between said working pulse power input and the said working pulse power supply ground, and said working pulse power supply carries out delivering to said working power accumulator, said triggering power supply accumulator behind the amplitude limit through said pulse limiter protection circuit;
Signal generating circuit; Comprise a multivibrator; The power end of said multivibrator links to each other with the output of said working power accumulator; The earth terminal of said multivibrator is connected to said driving pulse power supply ground, and the pulse signal that said multivibrator produces is delivered to the timing circuit with tally function;
Said timing circuit comprises a counter; The power end of said counter links to each other with the output of said working power accumulator; The earth terminal of said counter is connected to said driving pulse power supply ground, and the signal output part of said counter is connected with said output driving circuit;
Between the output that dividing potential drop accumulator, said dividing potential drop accumulator are serially connected in said working power accumulator and the said driving pulse power supply ground and with said signal generating circuit, said timing circuit mutually and connect;
The trigger switch circuit comprises first thyristor, and the negative electrode of said first thyristor, anode join with said working pulse power supply ground, said driving pulse power supply ground respectively, and the trigger electrode of said first thyristor is drawn as triggering negative terminal;
Output driving circuit; Comprise second thyristor; The negative electrode of said second thyristor is connected to said driving pulse power supply ground, and the anode of said second thyristor is drawn as driving negative terminal, links to each other with the output of said driving power accumulator behind anode series first resistance of said second thyristor; The trigger electrode of said second thyristor is drawn with the signal output part of said timing circuit and is linked to each other
Between said driving anode and the said driving negative terminal and be connected to load; When said triggering anode and said triggering negative terminal mutually during short circuit; The conducting that is triggered of said trigger switch circuit, said multivibrator produces pulse signal, and this signal is sent to said timing circuit; Said timing circuit is counted a number to each cycle of said pulse signal; Satisfy when counting after the requirement of delay time of said delay circuit, said timing circuit sends the said output driving circuit conducting of signal triggering, and the electric energy that said driving power accumulator stores is discharged in the said load.
2. a kind of pulse power supply delay circuit according to claim 1 is characterized in that: said working power accumulator, said triggering power supply accumulator, said driving power accumulator by one have the unidirectional conducting of rectification function second components and parts be connected in series mutually with a storage capacitor and form.
3. a kind of pulse power supply delay circuit according to claim 2 is characterized in that: said second components and parts are the fast switching diode that recovers.
4. a kind of pulse power supply delay circuit according to claim 1 is characterized in that: said multivibrator is the driving multivibrator of enhancing be made up of RC network and a plurality of gate circuit.
5. a kind of pulse power supply delay circuit according to claim 1, it is characterized in that: said dividing potential drop accumulator comprises a storage capacitor.
6. a kind of pulse power supply delay circuit according to claim 1; It is characterized in that: said output driving circuit also comprises a plurality of divider resistances; Said a plurality of divider resistance is attempted by between the trigger electrode and said driving pulse power supply ground of said second thyristor, and the signal of the signal output part of said timing circuit output is through delivering to the trigger electrode of said second thyristor after the dividing potential drop.
7. a kind of pulse power supply delay circuit according to claim 1, it is characterized in that: the resistance value of said first resistance is much larger than the resistance value of said load.
8. a kind of pulse power supply delay circuit according to claim 1; It is characterized in that: between the negative electrode of said first thyristor and the trigger electrode also and be connected to a plurality of divider resistances, said triggering anode and said triggering negative terminal mutually behind the short circuit trigger voltage pass through the trigger electrode of delivering to said first thyristor after the dividing potential drop.
9. a kind of pulse power supply delay circuit according to claim 1, it is characterized in that: said first components and parts are that unidirectional transition suppresses diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110325283 CN102394613B (en) | 2011-10-24 | 2011-10-24 | Single pulse power supply time delay circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110325283 CN102394613B (en) | 2011-10-24 | 2011-10-24 | Single pulse power supply time delay circuit |
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| Publication Number | Publication Date |
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| CN102394613A true CN102394613A (en) | 2012-03-28 |
| CN102394613B CN102394613B (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110325283 Expired - Fee Related CN102394613B (en) | 2011-10-24 | 2011-10-24 | Single pulse power supply time delay circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110673683A (en) * | 2019-10-14 | 2020-01-10 | 中国兵器工业集团第二一四研究所苏州研发中心 | Low temperature floats time delay drive controller |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4010389A (en) * | 1975-11-24 | 1977-03-01 | Teccor Electronics, Inc. | Solid state time delay and holding circuit |
| US4295060A (en) * | 1979-09-20 | 1981-10-13 | Mcgehee Richard S | Solid state triggering circuit |
| CN1633020A (en) * | 2003-12-23 | 2005-06-29 | 中国科学院安徽光学精密机械研究所 | Non-master transformer type laser pulse power supply and operating method thereof |
-
2011
- 2011-10-24 CN CN 201110325283 patent/CN102394613B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4010389A (en) * | 1975-11-24 | 1977-03-01 | Teccor Electronics, Inc. | Solid state time delay and holding circuit |
| US4295060A (en) * | 1979-09-20 | 1981-10-13 | Mcgehee Richard S | Solid state triggering circuit |
| CN1633020A (en) * | 2003-12-23 | 2005-06-29 | 中国科学院安徽光学精密机械研究所 | Non-master transformer type laser pulse power supply and operating method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110673683A (en) * | 2019-10-14 | 2020-01-10 | 中国兵器工业集团第二一四研究所苏州研发中心 | Low temperature floats time delay drive controller |
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| CN102394613B (en) | 2013-02-06 |
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Granted publication date: 20130206 Termination date: 20171024 |