CN105863921A - Maintenance-free portable super-capacitor starter and control method - Google Patents
Maintenance-free portable super-capacitor starter and control method Download PDFInfo
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- CN105863921A CN105863921A CN201610357170.4A CN201610357170A CN105863921A CN 105863921 A CN105863921 A CN 105863921A CN 201610357170 A CN201610357170 A CN 201610357170A CN 105863921 A CN105863921 A CN 105863921A
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- Prior art keywords
- super capacitor
- capacitor module
- charge relay
- relay
- charge
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0862—Circuits or control means specially adapted for starting of engines characterised by the electrical power supply means, e.g. battery
- F02N11/0866—Circuits or control means specially adapted for starting of engines characterised by the electrical power supply means, e.g. battery comprising several power sources, e.g. battery and capacitor or two batteries
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0803—Circuits or control means specially adapted for starting of engines characterised by means for initiating engine start or stop
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N2011/0881—Components of the circuit not provided for by previous groups
- F02N2011/0885—Capacitors, e.g. for additional power supply
Abstract
The invention discloses a maintenance-free portable super-capacitor starter. A first super-capacitor module and a second super-capacitor module are connected through a corresponding charge-discharge relay, and rapid charge and start control can be achieved by controlling corresponding relays to act. The maintenance-free portable super-capacitor starter has the beneficial effects that when the starter starts working, a battery is turned on to discharge with small current so as to maintain operation of the starter; after an engine cold starter is involved, large-peak current is provided by the super-capacitor modules firstly, and then subsequent working current is maintained by the engine cold starter and the super-capacitor modules. Advantages are enhanced while disadvantages are avoided, the current requirement of the starter in the whole starting process is met, meanwhile, the situation that the battery is turned on to discharge with large current under a low temperature condition is avoided, the engine starting battery is well protected, and the success rate of low-temperature cold starting of an engine is increased.
Description
Technical field
The present invention relates to the low-temperature cool starting technical field of fuel engines, the fuel engines including all kinds of automobiles, electromotor, engineering equipment, railway locomotive etc. starts, it particularly relates to a kind of non-maintaining portable super capacitor trigger and control method.
Background technology
Whenever the severe cold time, including automobile, electromotor, railway locomotive etc., fuel engines vehicle will highlight with the low-temperature cool starting problem of equipment.On the one hand, the heavy vehicle of numerous use Diesel engines needs to carry out long warm operation and just can successfully start up.Generally, warm operation needs the most about 30 minutes to 1 hour, even if can smoothly complete startup after having preheated, the efficiency of startup itself is also extremely low.To a lot of automobiles needing quickly response, such as engineering truck, fire fighting truck, wrecking truck, emergency use electromotor etc., such starting efficiency is often fatal.
Moreover, being affected by many factors, install the car owner of specialty safety pre-heating device additional still in minority, most car owners are used to use cheap flame burner to bake car preheating.The appearance of naked light, constitutes major safety risks to undoubtedly many goods yards, Logistic Base, engineering site et al., car, thing gathering place, and blowtorch is baked the fire safety evaluating accident of car initiation and happened occasionally.Certainly, car same entail dangers to automobile inherently safe baked by blowtorch, the most careless will induce car body spontaneous combustion, and its consequence is hardly imaginable.
On the other hand, the damage starting battery also be can not be ignored by cold-starting.It is known that the automobile starting battery of current main-stream is still lead-acid accumulator.Under cryogenic, the discharge capability of lead-acid accumulator is suppressed largely, should not carry out heavy-current discharge, and starting of the most at this moment waiting needs bigger starting current to the bigger resistance of start overcoming low temperature to be formed.Then, problem is following, not only lead-acid accumulator cannot the success rate of the equipment low-temperature cool starting such as support vehicles, and himself life-span is as force heavy-current discharge and detracted.
Visible, the development of engine cold-start device has huge realistic meaning.Currently, existing a lot of engine cold-start product for automobile appears on the market.But, most cold-starting automobile devices still rest in the simple aspect increasing and starting battery capacity, and cold-starting effect is unsatisfactory.It addition, many cold-starting automobile devices are the heaviest, carrying is inconvenient for, and uses the most dumb.To this end, objectively need a economic, practical, light portable engine cold start-up device, the various fuel engines low-temperature cool startings including automobile are allowed to become lighter.
Summary of the invention
It is an object of the invention to provide a kind of be capable of under the conditions of extremely low temperature can start without preheating, can with the electromotor of 12V, 24V, 36V, 48V or other electric pressures vehicle-mounted startup battery with the use of, service life length, start the high non-maintaining portable super capacitor trigger of success rate, need preheating with the cold-starting overcoming currently available technology to exist, success rate is low, the use time is short in startup, need the deficiency of the aspects such as periodic maintenance.
For realizing above-mentioned technical purpose, the technical scheme is that and be achieved in that:
nullA kind of non-maintaining portable super capacitor trigger，One end connection device positive pole of described trigger or the positive pole of startup battery，The other end attachment means negative pole of described trigger or the negative pole of startup battery，One end that described trigger is connected with positive pole includes one end of super capacitor module one、One end of charge relay one and one end of charge relay two，The other end of described super capacitor module one connects one end of charge relay four respectively、One end of charge relay three and one end of electric discharge relay，The other end of described charge relay three connects one end of current-limiting resistance two，The other end of described charge relay one connects one end of current-limiting resistance one，The other end of described current-limiting resistance one connects the other end of electric discharge relay respectively、The other end of charge relay two and one end of super capacitor module two，One end that described trigger is connected with negative pole includes the other end of charge relay four、The other end of current-limiting resistance two and the other end of super capacitor module two，The other end ground connection of described super capacitor module two.
Further, described super capacitor module one and super capacitor module two are by the monomer series-connected composition of super capacitor of some same model, and each super capacitor monomer is equipped with independent voltage balance plate respectively.
Further, described trigger includes control unit, the input of described control unit connects the power supply of trigger, starts battery and super capacitor module one, the voltage detection signal of super capacitor module two and starter operating current detection signal, and the outfan of described control unit connects charge relay one, charge relay two, charge relay three, charge relay four and the control coil of electric discharge relay respectively.
Further, described control unit includes the charge cutoff control circuit being made up of hysteresis voltage comparator, the charge/discharge control circuit being made up of controlled hysteresis voltage comparator and delay circuit, the drive circuit of charge relay and the drive circuit of electric discharge relay, electric discharge relay respectively with described charge relay one, charge relay two, charge relay three and charge relay four use mutual lock control, in the drive circuit of charge relay, charge relay one and charge relay three use chain driving to control, charge relay two and charge relay four use chain driving to control.
Further, described control unit also includes the battery capacity indication circuit of super capacitor module one and super capacitor module two.
The present invention also provides for the control method of a kind of non-maintaining portable super capacitor trigger, comprises the steps:
S0: gather super capacitor module one and the voltage of super capacitor module two, start the voltage of battery, starter operating current, the voltage follower that described single super capacitor module voltage and startup cell voltage use operational amplifier to be constituted completes, and the operating current of starter is detected by snap ring-type hall sensing device；Can individually gather startup battery voltage signal or starter operating current signal to provide discharge signal；
S1: discharge regime: super capacitor module one and super capacitor module two electric discharge provide the big electric current of automobile starter peak value；
S2: charge mode one: charge relay one and charge relay three close, when charge relay two, charge relay four and electric discharge relay disconnect, start battery and lead up to charge relay three and high-power current-limiting resistance two to super capacitor module one charging, separately lead up to charge relay one and high-power current-limiting resistance one to super capacitor module two charging.
S3: charge mode two: charge relay one, charge relay two, charge relay three and charge relay four close, when electric discharge relay disconnects, start battery and lead up to charge relay one, charge relay two and high-power current-limiting resistance one to super capacitor module two charging, separately lead up to charge relay three, charge relay four and high-power current-limiting resistance two to super capacitor module one charging.
Further, the detection mode mentioned in S0 can also use the outer startup battery voltage detection connected of device to provide signal.
Further, in S1, if the two ends of super capacitor trigger attachment means positive pole and device negative pole respectively, then electric discharge relay Guan Bi, super capacitor module one and super capacitor module two are connected on the two ends electric discharge of device positive pole and device negative pole and provide the big electric current of vehicle starter peak value.
nullFurther，In S1，If the two ends of super capacitor trigger connect the both positive and negative polarity starting battery respectively，If starter operating current is higher than U1 beyond Ist_up and electric capacity module voltage，Hysteresis loop comparator output level overturns，Then electric discharge relay Guan Bi，Super capacitor module one and super capacitor module two are connected on vehicle-mounted startup battery two ends and provide the big electric current of starter peak value，When super capacitor module one and the voltage of super capacitor module two are consistent with starting cell voltage，Super capacitor module one、Super capacitor module two and startup battery jointly discharge and provide starter starting current，If starter operating current is less than Ist_dn，Hysteresis loop comparator output level overturns，Then electric discharge relay disconnects，It is closed at charge relay，Complete start-up course，Wherein，When Ist_up starts for electric discharge, starter is started working electric current，Ist_dn is starter power cut-off electric current at the end of electric discharge.
Further, in S1, after engine starting process completes, super capacitor module one and super capacitor module two are charged by the charge mode beginning with S2 or S3, if the voltage difference started between cell voltage and super capacitor module one or super capacitor module two voltage is more than Vdif, then S2 is performed；If starting the battery voltage difference with super capacitor module one or super capacitor module two less than Vdif, then S3, wherein, V are performeddifFor starting battery and super capacitor module pressure reduction reference signal.
Further, in S2 or S3, if super capacitor module one and super capacitor module two voltage are more than Umax, and hysteresis voltage comparator output signal is constant, then in S2 or S3, corresponding charge relay continues Guan Bi, charges super capacitor module one and super capacitor module two；If super capacitor module one and super capacitor module two voltage are more than Umax, and the upset of hysteresis voltage comparator output signal, then in S2 or S3, corresponding charge relay disconnects, and stops super capacitor module one and the charging of super capacitor module two；After stopping charging, if super capacitor module one and super capacitor module two voltage are less than Uchg_dn, comparator output level changes, then re-close corresponding charge relay in S2 or S3 to realize super capacitor module one and the charging of super capacitor module two, wherein, Umax is that super capacitor module allows maximum working voltage, and Uchg_dn is the hysteresis lower voltage limit allowed at the end of super capacitor large current charge.
Using after technique scheme, the present invention has a following beneficial effect:
(1), super capacitor is under extremely low temperature, remain to keep good discharge capability, the cold start-up device using super capacitor can realize directly initiating or only need to preheat in short-term and can start under the conditions of extremely low temperature without preheating, greatly improves the startup success rate of engine cold-start simultaneously；
(2), in the beginning of starter work, start battery low discharging current, maintain starter operating；After super capacitor cold start-up device is got involved; first the big electric current of peak value is provided by super capacitor group; then both maintain follow-up work electric current together; this has just accomplished " maximizing favourable factors and minimizing unfavourable ones "; it is sufficient for the current needs of starter in whole start-up course; it also avoid startup high-rate battery discharge under cryogenic conditions simultaneously, protect startup battery well；
(3), super capacitor cold start-up utensil has non-maintaining advantage, it is not necessary to regularly discharge and recharge operation is safeguarded；
(4), the trigger of the present invention can realize transporting for long-distance, travel outdoors, the automobile starting of the various emergent occasions such as emergency drilling, including rescue and relief work engineering truck and equipment, railway locomotive and the started quickly at low temperature of all kinds of fuel electric generator, without being charged in advance, disclosure satisfy that the demand of Emergency use, and operating process is the simplest；
(5), the trigger of the present invention can realize without starting directly initiating of battery, it is also possible to startup battery vehicle-mounted with 12V, 24V, 36V or 48V with the use of.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic diagram of a specific embodiment of the present invention a kind of cold-starting automobile device；
Fig. 2 is the schematic diagram of another specific embodiment of the present invention a kind of cold-starting automobile device；
Fig. 3 is the schematic diagram of the present invention a kind of super capacitor module；
In figure: 1, start battery；2, device positive pole；3, super capacitor module one；4, charge relay one；5, charge relay two；6, current-limiting resistance one；7, electric discharge relay；8, super capacitor module two；9, charge relay three；10, current-limiting resistance two；11, charge relay four；12, device negative pole, 13, super capacitor monomer.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art are obtained, broadly fall into the scope of protection of the invention.
nullAs shown in Figure 1-2，The non-maintaining portable super capacitor automobile starter of one described in the embodiment of the present invention，One end connection device positive pole 2 of described trigger or the positive pole of startup battery 1，The other end attachment means negative pole 12 of described cold start-up device or the negative pole of startup battery 1，One end that described cold start-up device is connected with positive pole includes one end of super capacitor module 1、One end of charge relay 1 and one end of charge relay 25，The other end of described super capacitor module 1 connects one end of charge relay 4 11 respectively、One end of charge relay 39 and one end of electric discharge relay 7，The other end of described charge relay 39 connects one end of current-limiting resistance 2 10，The other end of described charge relay 1 connects one end of current-limiting resistance 1，The other end of described current-limiting resistance 1 connects the other end of electric discharge relay 7 respectively、The other end of charge relay 25 and one end of super capacitor module 28，One end that described cold start-up device is connected with negative pole includes the other end of charge relay 4 11、The other end of current-limiting resistance 2 10 and the other end of super capacitor module 28，The other end ground connection of described super capacitor module 28.
Described trigger includes control unit, the input of described control unit connects the power supply of trigger, starts battery and super capacitor module one, the detection signal of super capacitor module two and starter operating current detection signal, and the outfan of described control unit connects charge relay 1, charge relay 25, charge relay 39, charge relay 4 11 and the control coil of electric discharge relay 7 respectively.Described control unit includes the charge cutoff control circuit being made up of hysteresis voltage comparator, the charge/discharge control circuit being made up of controlled hysteresis voltage comparator and delay circuit, the drive circuit of charge relay and the drive circuit of electric discharge relay, electric discharge relay 7 respectively with described charge relay 1, charge relay 25, charge relay 39 and charge relay 4 11 use interlocking to drive control, in the drive circuit of charge relay, charge relay 1 and charge relay 39 use chain driving to control, charge relay 25 and charge relay 4 11 use chain driving to control.
The input of described control unit gathers signal and the voltage acquisition signal of super capacitor module for the starting current of input supply voltage, starter, and the outfan of described control unit is for controlling the action of discharge and recharge relay corresponding contacts.
Described interlocking drives when controlling to close for electric discharge relay 7, described charge relay 1, charge relay 25, charge relay 39 and charge relay 4 11 disconnect automatically, thus the short circuit current avoided discharge and recharge relay to open simultaneously and formed damages relay and discharge and recharge connecting line；When described chain driving control closes for charge relay 1/disconnects, then charge relay 39 automatically closes/disconnects, and during charge relay 25 Guan Bi/disconnection, then charge relay 4 11 automatically closes/disconnects.
The described charge cutoff control circuit being made up of hysteresis voltage comparator should meet following logic: at charging voltage ascent stage, unless electric capacity module voltage keeps beyond Umax, comparator output signal, drives charge relay Guan Bi persistently to charge；Electric capacity module voltage is beyond after Umax, and comparator output level overturns immediately, drives charge relay to disconnect and stops charging；In the electric capacity module current path stage, unless electric capacity module voltage keeps less than Uchg_dn, comparator output, charge relay is driven to continue to turn off, complete charge；When electric capacity module voltage is less than Uchg_dn, comparator output level overturns, and again drives charge relay to start to charge up, wherein, Umax is that super capacitor module allows maximum working voltage, and Uchg_dn is the hysteresis lower voltage limit allowed at the end of super capacitor large current charge.
Wherein the delay circuit in charge/discharge control circuit can pass through RC circuit realiration, uses discharge control signal to drive triode ON, and power supply begins through audion and resistance R and charges to electric capacity C, i.e. RC charging process starts；After electric capacity C voltage reaches Vt_dly, comparator output level overturns, and discharge control signal gives relay drive circuit after time delay, and wherein Vt_dly is discharge delay time.
Described control unit is additionally provided with the electricity deficiency indicating circuit of super capacitor module 1 and super capacitor module 28, the moderate indicating circuit of electricity and the saturated indicating circuit of electricity.Energy stored by super capacitor module is directly related with its voltage, therefore three voltage references distinguishing rule as capacitance group electricity can be set, capacitance group battery capacity indication is realized by three corresponding display lamps of comparator drives, note voltage reference is followed successively by U1, U2, U3 from low to high, single super capacitor group sampled signal is U, as 0≤U≤U1, comparator 1 exports high level, drives capacitance group electricity deficiency display lamp to light；As U1≤U≤U2, comparator 1 output low level, comparator 2 exports high level, and the two drives the moderate display lamp of capacitance group electricity to light jointly；As U2≤U≤U3, comparator 2 output low level, comparator 3 exports high level, and the two drives the saturated display lamp of capacitance group electricity to light jointly.
Described control unit is provided with pressure switching push button and without battery button, described forces switching push button pressure switching when super capacitor trigger is connected on 12V or 24V automobile starting battery two ends, described button without battery is for the electric discharge relay 7 of the forced closed when super capacitor trigger is connected on device both positive and negative polarity, and super capacitor module 1 and super capacitor module 28 are connected on device both positive and negative polarity and discharge.
In one embodiment, as it is shown on figure 3, described super capacitor module 1 and super capacitor module 28 are composed in series by the super capacitor monomer 13 of some same model, and each super capacitor monomer 13 is equipped with independent voltage balance plate respectively.
Non-maintaining portable super capacitor trigger of the present invention may be used for the engine start of 24V/12V series vehicle and equipment, the pressure switching push button for 12V and 24V vehicle-mounted startup start battery it is additionally provided with in described control unit, when super capacitor trigger is connected on the two ends of 12V or 24V vehicle-mounted startup battery, 12V or 24V vehicle and the electromotor emergency starting of equipment or cold-starting can be realized by forcing switching push button to switch over, and cold-starting effect is clearly, can realize the most quickly starting by assistant starting battery, significantly shorten the time of vehicle and equipment engine low-temperature cold starting, efficiency and the success rate improving vehicle and equip engine cold-starting.In the application scenario without start battery that some are special, this super capacitor trigger also can work independently, and completes engine cold-starting.It addition, super capacitor cold start-up utensil of the present invention have be easy to carry, advantage convenient to operate, can be widely applied to the electromotor emergency starting under various rigor condition.
The control method of cold-starting automobile device of the present invention comprises the steps:
S0: gather super capacitor module 1 and the voltage of super capacitor module 28, starter operating current, the voltage follower that described single super capacitor module voltage and startup cell voltage use operational amplifier to be constituted completes, and the operating current of starter motor is detected by snap ring-type hall sensing device；
S1: discharge regime: super capacitor module 1 and super capacitor module 28 electric discharge provide the big electric current of automobile starter peak value；
S2: charge mode one: charge relay 1 and charge relay 39 Guan Bi, when charge relay 25, charge relay 4 11 and electric discharge relay 7 disconnect, start battery 1 and lead up to charge relay 39 and current-limiting resistance 2 10 charges to super capacitor module 1, separately lead up to charge relay 1 and current-limiting resistance 1 charges to super capacitor module 28.
S3: charge mode two: charge relay 1, charge relay 25, charge relay 39 and charge relay 4 11 Guan Bi, when electric discharge relay 7 disconnects, starting battery 1 to lead up to charge relay 1, charge relay 25 and current-limiting resistance 1 and charge to super capacitor module 28, separately leading up to charge relay 39, charge relay 4 11 and current-limiting resistance 2 10 charges to super capacitor module 1.
In one embodiment, in step S1, if the two ends of super capacitor trigger attachment means positive pole and device negative pole respectively, then electric discharge relay 7 closes, and super capacitor module 1 and super capacitor module 28 are connected on device positive and negative end and provide the big electric current of engine starter peak value；
nullIn one embodiment，In step S1，If the two ends of super capacitor trigger connect the both positive and negative polarity starting battery 1 respectively，If starter motor operating current is higher than U1 beyond Ist_up and electric capacity module voltage，Hysteresis loop comparator output level overturns，Then electric discharge relay 7 closes，Super capacitor module 1 and super capacitor module 28 are connected on startup battery 1 two ends and provide the big electric current of engine starter peak value，When super capacitor module 1 and the voltage of super capacitor module 28 are consistent with starting battery 1 voltage，Super capacitor module 1、Super capacitor module 28 and startup battery 1 jointly discharge and provide starter starting current，If starter operating current is less than Ist_dn，Hysteresis loop comparator output level overturns，Then electric discharge relay 7 disconnects，It is closed at charge relay，Complete start-up course.
In S1 super capacitor module discharges, can be by judging that starting current discharges, it is also possible to by judging that starting cell voltage discharges.
When using by judging that starting current discharges, need to meet following condition: 1, super capacitor module electricity is suitable, if electric capacity module electricity is not enough, just cannot preferentially start battery and starting current is provided, even can absorb the electric current starting battery in start-up course, start effect the best；2, starting current has risen to Ist_up, namely to guarantee to start the work of battery variety of priority driven starter, and starter operating current is in ascent stage simultaneously, so, would not consume the energy within super capacitor trigger too early；3, after starting current rises to Ist_up, the electric discharge of super capacitor module is carried out after carrying out suitable time-delay according to the self-characteristic starting battery, select a suitable delay time, just can be shared startup peak point current to greatest extent by super capacitor trigger, in order to avoid damage starts battery, wherein, when Ist_up starts for electric discharge, starter is started working electric current.After super capacitor module discharges a period of time, if the operating current of starter decreases below Ist_dn, cut off the electric discharge to starter of the cold-starting automobile device immediately, and to switch to S2/S3 be super capacitor module electric energy supplement, wherein, at the end of Ist_dn is for electric discharge, trigger power cut-off electric current.
When using by judging that cell voltage discharges, need to meet following condition: 1, super capacitor module electricity is suitable, if electric capacity module electricity is not enough, just cannot preferentially start battery and starting current is provided, even can absorb the electric current starting battery in start-up course, start effect the best；2, start cell voltage and drop to a certain threshold value, this way it is possible to avoid consume the energy within super capacitor trigger too early；3, when starting after cell voltage drops to a certain threshold value, the control circuit of control unit after carrying out suitable automatic time delay, carry out the electric discharge of super capacitor module, and to switch to S2/S3 after electric discharge terminates be super capacitor module electric energy supplement.
In S1, after engine starting process completes, begin with the charging modes of S2 or S3 to super capacitor module 1 and the charging of super capacitor module 28.In one embodiment, if the voltage difference started between battery 1 voltage and super capacitor module 1 or super capacitor module 28 voltage is more than Vdif, then S2 is performed；In one embodiment, if starting the battery 1 voltage difference with super capacitor module 1 or super capacitor module 28 less than Vdif, then S3, wherein, V are performeddifFor starting battery and super capacitor module pressure reduction reference signal.
In S2 or S3, if super capacitor module 1 and super capacitor module 28 voltage are more than Umax, and hysteresis voltage comparator output signal is constant, then in S2 or S3, corresponding charge relay continues Guan Bi, charges super capacitor module 1 and super capacitor module 28；If super capacitor module 1 and super capacitor module 28 voltage are more than Umax, and the upset of hysteresis voltage comparator output signal, then in S2 or S3, corresponding charge relay disconnects, and stops super capacitor module 1 and the charging of super capacitor module 28；After stopping charging, if super capacitor module 1 and super capacitor module 28 voltage are less than Uchg_dn, comparator output level changes, then re-close corresponding charge relay in S2 or S3 and realize super capacitor module 1 and the charging of super capacitor module 28.
Wherein, Umax is super capacitor module voltage rating, affected by self internal resistance, at the end of big electric current quick charge, electric capacity module there will be current path, it is again turned on charging for avoiding stopping charged voltage falling after rise, cause charge relay frequent movement at the end of charging, a hysteresis charging voltage lower limit Uchg_dn need to be set.If electric capacity module voltage is not less than Uchg_dn after charging stops, then disconnect charge relay, complete charge；Otherwise, electric capacity module voltage is less than Uchg_dn, re-closes charge relay.Visible, select suitable Uchg_dn value, it is possible to avoid the frequent movement of charging latter end charge relay, and super capacitor module is charged to saturation.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
- null1. a non-maintaining portable super capacitor trigger，It is characterized in that，One end connection device positive pole (2) of described trigger or the positive pole of vehicle-mounted startup battery (1)，Other end attachment means negative pole (12) of described trigger or the negative pole of vehicle-mounted startup battery (1)，One end that described trigger is connected with positive pole includes one end of super capacitor module one (3)、One end of charge relay one (4) and one end of charge relay two (5)，The other end of described super capacitor module one (3) connects one end of charge relay four (11) respectively、One end of charge relay three (9) and one end of electric discharge relay (7)，The other end of described charge relay three (9) connects one end of high-power current-limiting resistance two (10)，The other end of described charge relay one (4) connects one end of high-power current-limiting resistance one (6)，The other end of described high-power current-limiting resistance one (6) connects the other end of electric discharge relay (7) respectively、The other end of charge relay two (5) and one end of super capacitor module two (8)，One end that described trigger is connected with negative pole includes the other end of charge relay four (11)、The other end of current-limiting resistance two (10) and the other end of super capacitor module two (8)，The other end ground connection of described super capacitor module two (8).
- The non-maintaining portable super capacitor trigger of one the most according to claim 1, it is characterized in that, described super capacitor module one (3) and super capacitor module two (8) are composed in series by the super capacitor monomer (13) of some same model, and each super capacitor monomer (13) is equipped with independent voltage balance plate respectively.
- The non-maintaining portable super capacitor trigger of one the most according to claim 1, it is characterized in that, described trigger includes control unit, the input of described control unit connects the power supply of trigger, start battery (1) and super capacitor module one (3), the detection signal of super capacitor module two (8) and starter operating current detection signal, the outfan of described control unit connects charge relay one (4) respectively, charge relay two (5), charge relay three (9), charge relay four (11) and the control coil of electric discharge relay (7).
- The non-maintaining portable super capacitor trigger of one the most according to claim 3, it is characterized in that, described control unit includes the charge cutoff control circuit being made up of hysteresis voltage comparator, the charge/discharge control circuit being made up of controlled hysteresis voltage comparator and delay circuit, the drive circuit of charge relay and the drive circuit of electric discharge relay, electric discharge relay (7) respectively with described charge relay one (4), charge relay two (5), charge relay three (9) and charge relay four (11) use mutual lock control, in the drive circuit of charge relay, charge relay one (4) and charge relay three (9) use chain driving to control, charge relay two (5) and charge relay four (11) use chain driving to control.
- The non-maintaining portable super capacitor trigger of one the most according to claim 4, it is characterised in that described control unit also includes super capacitor module one (3) and the battery capacity indication circuit of super capacitor module two (8).
- 6. the control method of a non-maintaining portable super capacitor trigger, it is characterised in that comprise the steps:S0: gather super capacitor module one (3) and the voltage of super capacitor module two (8), start battery (1) voltage and starter operating current, the voltage follower that described single super capacitor module voltage and startup cell voltage use operational amplifier to be constituted completes, and the operating current of starter is detected by snap ring-type hall sensing device；Can individually gather startup battery (1) voltage signal or starter operating current signal to provide discharge signal；S1: discharge regime: super capacitor module one (3) and super capacitor module two (8) electric discharge provide the big electric current of automobile starter peak value；S2: charge mode one: charge relay one (4) and charge relay three (9) Guan Bi, when charge relay two (5), charge relay four (11) and electric discharge relay (7) disconnect, start battery (1) and lead up to charge relay three (9) and current-limiting resistance two (10) charges to super capacitor module one (3), separately lead up to charge relay one (4) and current-limiting resistance one (6) to super capacitor module two (8) charging；S3: charge mode two: charge relay one (4), charge relay two (5), charge relay three (9) and charge relay four (11) Guan Bi, when electric discharge relay (7) disconnects, start battery (1) to lead up to charge relay one (4), charge relay two (5) and current-limiting resistance one (6) and charge to super capacitor module two (8), separately lead up to charge relay three (9), charge relay four (11) and current-limiting resistance two (10) to super capacitor module one (3) charging.
- The control method of a kind of non-maintaining portable super capacitor trigger the most according to claim 6, it is characterized in that, in S1, if the two ends of super capacitor trigger attachment means positive pole (2) and device negative pole (12) respectively, the relay (7) that then discharges closes, and super capacitor module one (3) and super capacitor module two (8) are connected on the two ends electric discharge of device positive pole (2) and device negative pole (12) and provide the big electric current of engine starter peak value.
- nullThe control method of a kind of non-maintaining portable super capacitor trigger the most according to claim 6，It is characterized in that，In S1，If the two ends of super capacitor trigger connect the both positive and negative polarity starting battery (1) respectively，If starter operating current is higher than U1 beyond Ist_up and electric capacity module voltage，Hysteresis loop comparator output level overturns，The relay (7) that then discharges closes，Super capacitor module one (3) and super capacitor module two (8) are connected on vehicle-mounted startup battery (1) two ends and provide the big electric current of engine starter peak value，When super capacitor module one (3) and the voltage of super capacitor module two (8) are consistent with starting battery (1) voltage，Super capacitor module one (3)、Super capacitor module two (8) and startup battery (1) electric discharge jointly provides starter starting current，If starter operating current is less than Ist_dn，Hysteresis loop comparator output level overturns，Then electric discharge relay disconnects，It is closed at charge relay，Complete start-up course，Wherein，When Ist_up starts for electric discharge, trigger is started working electric current，Ist_dn is trigger power cut-off electric current at the end of electric discharge.
- The control method of a kind of non-maintaining portable super capacitor trigger the most according to claim 6, it is characterized in that, in S1, after automobile starting process completes, super capacitor module one (3) and super capacitor module two (8) are charged by the charge mode beginning with S2 or S3, if the voltage difference started between battery (1) voltage and super capacitor module one (3) or super capacitor module two (8) voltage is more than Vdif, then S2 is performed；If starting the battery (1) voltage difference with super capacitor module one (3) or super capacitor module two (8) less than Vdif, then S3, wherein, V are performeddifFor starting battery and super capacitor module pressure reduction reference signal.
- The control method of a kind of non-maintaining portable super capacitor trigger the most according to claim 9, it is characterized in that, in S2 or S3, if super capacitor module one (3) and super capacitor module two (8) voltage are more than Umax, and hysteresis voltage comparator output signal is constant, then in S2 or S3, corresponding charge relay continues Guan Bi, charges super capacitor module one (3) and super capacitor module two (8)；If super capacitor module one (3) and super capacitor module two (8) voltage are more than Umax, and the upset of hysteresis voltage comparator output signal, then in S2 or S3, corresponding charge relay disconnects, and stops super capacitor module one (3) and the charging of super capacitor module two (8)；After stopping charging, if super capacitor module one (3) and super capacitor module two (8) voltage are less than Uchg_dn, comparator output level changes, then re-close corresponding charge relay in S2 or S3 to realize super capacitor module one (3) and the charging of super capacitor module two (3), wherein, Umax is that super capacitor module allows maximum working voltage, and Uchg_dn is the hysteresis lower voltage limit allowed at the end of super capacitor large current charge.
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| CN112467821A (en) * | 2020-10-15 | 2021-03-09 | 上海空间电源研究所 | Starting power supply control circuit compatible with UV/2UV output and control method thereof |
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