CN103618351B - Internal combustion engine is with starting power supply - Google Patents
Internal combustion engine is with starting power supply Download PDFInfo
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- CN103618351B CN103618351B CN201310609767.XA CN201310609767A CN103618351B CN 103618351 B CN103618351 B CN 103618351B CN 201310609767 A CN201310609767 A CN 201310609767A CN 103618351 B CN103618351 B CN 103618351B
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Abstract
The present invention relates to a kind of internal combustion engine and start power supply, it comprises power supply positive terminal for connecting external loading and power cathode terminal and ultracapacitor module, dc-dc and in order to monitor and to control the supervising device of the energy input and output of described startup power supply, and described supervising device is connected with this circuit with on the circuit between power supply positive terminal at described ultracapacitor module positive pole.This startup power supply can make internal combustion engine start faster, and can, under worst cold case, not need combustion motor to apply any preheating, can start fast by combustion motor, and adopt identical port during this startup power supply discharge and recharge, in use, port can not be caused to obscure.
Description
Technical field
The present invention relates to a kind of startup power supply, especially a kind of startup power supply for internal combustion engine start.
Background technology
Traditional combustion engine is when starting, many employings lead-acid battery is as startup power supply, although lead-acid battery has the multiple advantages such as capacity is large, stable performance as startup power supply, but due to himself characteristic, its high-power charge-discharge performance is poor, because internal combustion engine start moment power demand is comparatively large, internal combustion engine start frequently, certainly will cause the lead-acid battery lost of life; Pretend the lead-acid battery used for starting power supply, within usual about 2 years, will change it, use cost is higher; In addition, lead-acid battery is as internal combustion engine start power supply, and when combustion motor starts, time delay is longer; Again because the fuel oil of internal combustion engine has the characteristic of liquid retrogradation at low temperatures, and lead-acid battery high power discharge poor performance, like this, when combustion motor starts under cryogenic, as adopted lead-acid battery combustion motor to realize the normal difficulty starting the exception become, in order under cryogenic, realize the normal startup of combustion motor, usually need combustion motor to preheat in practice, then start at employing lead-acid battery combustion motor, it is very inconvenient to use; And lead-acid battery is as starting power supply when energy is finished using, charging required time is longer, and its main manufactured materials is containing heavy metal lead, and time discarded using, most material cannot reclaim and reuse, and environmental pollution is seriously polluted; The technological deficiency that these lead-acid batteries cannot overcome, all limits the application space of lead-acid battery in internal combustion engine start field of power supplies.
And the lithium ion battery that development in recent years is got up, although comparatively lead-acid battery has the advantages such as clean energy-saving, but because it still has the shortcomings such as high-power charging performance is poor, useful life is short, it is as the startup power supply of internal combustion engine, still cannot overcome the technological deficiency that lead-acid battery has.
Ultracapacitor module is the Novel energy storage apparatus that development in recent years is got up, and because it has clean energy-saving, has extended cycle life and the multiple advantage such as high-power charge-discharge performance is good, is just obtaining apply more and more widely at industrial field; Due to ultracapacitor module have extended cycle life, high-power charge and discharge point performance is good, therefore, it can effectively avoid because of frequent starting, cause the defects such as the energy storage device lost of life such as traditional energy-storage battery when as diesel engine starting power supply, and due to its cryogenic property better, under worst cold case, when combustion motor starts, combustion motor machine is not needed to carry out preheating, startup can be completed by combustion motor, very easy to use.Based on applicant, ultracapacitor module is started to the research of power supply as internal-combustion engine, it is when as internal combustion engine start power supply, discharge and recharge is realized more easily in order to startup power supply can be made, the applicant is in the test in early stage, charging device is integrated with in startup power supply, namely, after starting the ultracapacitor module discharge off in power supply, can directly charge to startup power supply; Although the relatively traditional startup power supply of this startup power supply architecture has the advantages such as charging is convenient, but due to technical reason, the charging port of charger and the electric discharge port of startup power supply are difficult to gather together, namely the discharge and recharge port starting power supply is provided separately, like this, in use, user is easy to generation and obscures, and cause the accident generation; Therefore, be necessary that the structure such being started to power supply makes improvement.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of internal combustion engine and starts power supply, this startup power supply can make internal combustion engine start faster, and can under worst cold case, combustion motor is not needed to apply any preheating, can start fast by combustion motor, and adopt identical port during this startup power supply discharge and recharge, in use, port can not be caused to obscure.
For solving the problems of the technologies described above, the technical solution used in the present invention is: internal combustion engine of the present invention starts power supply, comprise the power supply positive terminal for connecting external loading and power cathode terminal, in addition, this startup power supply also comprises ultracapacitor module, dc-dc and in order to monitor and to control the supervising device of the energy input and output of described startup power supply, positive pole and corresponding being connected with power cathode terminal with power supply positive terminal of negative pole difference of described ultracapacitor module, described dc-dc has an input port and two output ports, this dc-dc to be connected with power supply positive terminal by himself input port and two of this dc-dc output ports are connected with negative pole with the positive pole of super capacitor module respectively, described supervising device is connected with this circuit with on the circuit between power supply positive terminal at described ultracapacitor module positive pole, when the voltage at described power supply positive terminal place is greater than described ultracapacitor module voltage, or electric current is when flowing to ultracapacitor module from power supply positive terminal, described supervising device control institute's inflow current regulated by dc-dc after to described ultracapacitor module input, when the voltage at power supply positive terminal place is less than ultracapacitor module voltage, or when electric current flows from ultracapacitor module to power supply positive terminal, the electric energy that described supervising device controls described ultracapacitor module directly exports from power supply positive terminal.
According to design concept of the present invention, supervising device of the present invention comprises controller, testing circuit and gate-controlled switch, and described testing circuit and gate-controlled switch are connected with this controller respectively and control by this controller.
According to design concept of the present invention, testing circuit of the present invention comprises the first testing circuit and the second testing circuit, and described first testing circuit is connected with controller with described power supply positive terminal respectively and detects power supply positive terminal place electric parameter information and feed back to controller; Described second testing circuit comprises Hall element, and this Hall element is positioned at ultracapacitor module positive pole place and is connected with described controller and detects the electric parameter information at ultracapacitor module positive pole place and feed back to controller.
According to design concept of the present invention, on the circuit of gate-controlled switch of the present invention between described power supply positive terminal and ultracapacitor module positive pole, described dc-dc is connected with described controller and is subject to the control of this controller; When the first testing circuit place voltage is greater than the voltage at the second testing circuit place, or electric current to ultracapacitor module positive extreme direction flowing time, described controller sends and performs instruction to gate-controlled switch and dc-dc, gate-controlled switch is disconnected and dc-dc work, and electric current flows to dc-dc from the first testing circuit; When the first testing circuit place voltage is less than the voltage at the second testing circuit place, or electric current is when flowing out from supercapacitor positive electrode direction, described controller sends and performs instruction to gate-controlled switch and dc-dc, make gate-controlled switch closed and dc-dc is closed, described electric energy outwards exports from ultracapacitor module positive pole through gate-controlled switch.
According to design concept of the present invention, power supply positive terminal of the present invention and power cathode terminal are one, described startup power supply by this power supply positive terminal and power cathode terminal to described ultracapacitor module input electric energy or make the electric energy of ultracapacitor module externally export.
According to design concept of the present invention, gate-controlled switch of the present invention is any one in thyristor, insulated gate bipolar translator power tube, MOSFET and solid-state relay.
According to design concept of the present invention, controller of the present invention is single-chip microcomputer or programmable logic controller (PLC).
Compared with prior art, beneficial effect of the present invention is: (1) adopts ultracapacitor module as the startup power supply of internal combustion engine due to the present invention, nearly 100,000 times can be reached because ultracapacitor has cycle life, adopt ultracapacitor module as internal combustion engine start power supply, only have the energy-storage battery of hundreds of time as starting compared with power supply with traditional cycle life, its useful life increases substantially, and due to ultracapacitor module cryogenic property, high-power charge-discharge performance all relatively good, when internal combustion engine starts under worst cold case, ultracapacitor module can provide high power discharge, namely combustion motor is not needed to carry out any preheating, it can complete the startup of combustion motor instantaneously, and starting efficiency is very high and very easy to use, (2) because the present invention is provided with dc-dc and supervising device, under this supervising device effect, when charging to ultracapacitor module, the electric energy of outside input is under the effect of supervising device, after dc-dc regulates, can charge directly to the input of ultracapacitor module, when internal combustion engine needs to start, under this supervising device effect, the electric energy that ultracapacitor module exports and directly externally being exported and starting apparatus combustion engine by power supply positive terminal and power cathode terminal, namely this internal combustion engine start power supply is when carrying out discharge and recharge, all that the positive terminal of power supply and power cathode terminal that adopt are as use port, that itself and discharge and recharge need different port and the ultracapacitor module carried out is as compared with internal combustion engine start power technology, during due to its discharge and recharge, what adopt is same port, in use, the security incident caused because user obscures can be avoided, and it is cheap for manufacturing cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that internal combustion engine of the present invention starts power supply.
Embodiment
Internal combustion engine in enforcement of the present invention starts power supply, adopt ultracapacitor module as Power supply source, have extended cycle life because ultracapacitor module has, the advantages such as cryogenic property is good, therefore internal combustion engine start power supply in the embodiment of the present invention with rely on energy-storage battery group as compared with internal combustion engine start power supply in conventional art, have and have extended cycle life, when under worst cold case, combustion motor starts, the advantage of better effects if.
See Fig. 1, internal combustion engine of the present invention starts power supply, comprises ultracapacitor module 1, dc-dc 2 and supervising device 3, wherein, ultracapacitor module 1 in order to storage power, to provide power source to it when starting apparatus combustion engine.
Internal combustion engine startup power supply of the present invention has power supply positive terminal 41 and power cathode terminal 42, this power supply positive terminal 41 and power cathode terminal 42 are one, then the positive pole of super capacitor module 1 is connected with this power supply positive terminal 41, and the negative pole of ultracapacitor module 1 is connected with power cathode terminal 42.When using this power supply positive terminal 41 and power cathode terminal 42 to charge to startup power supply, external energy is after power supply positive terminal 41 flows into, under supervising device 3 acts on, electric current flows into dc-dc 2, after dc-dc 2 is changed its charging current/voltage parameter, electric energy exports ultracapacitor module 1 to from dc-dc 2, charges to ultracapacitor module 1; When using this power supply positive terminal 41 and power cathode terminal 42 starting apparatus combustion engine, first, ultracapacitor module 1 discharges electric energy, this electric energy is under supervising device 3 acts on, and do not need inflow dc-dc 2 to carry out electric parameter conversion, directly externally export through power supply positive terminal 41 and power cathode terminal 42, and then internal combustion engine is started.This shows, no matter be to startup power supply input energy, or the energy starting power supply outwards exports, the present invention is all as unified port by power supply positive terminal 41 and power cathode terminal 42, achieve the unification of charging port and electric discharge port, avoid the technological deficiency easily obscured in use procedure.
Supervising device 3 of the present invention comprises controller 31, testing circuit 32 and gate-controlled switch 33, described testing circuit 32 and gate-controlled switch 33 are connected with controller 31 respectively and controlled device 31 controls, and dc-dc 2 of the present invention is also connected with controller 31, and the control of controlled device 31; Above-mentioned testing circuit 32 is in order to feed back the electrical parameters of the place circuit detected in good time to controller 1, and controller 31 is in order to process testing circuit 32 feedack values, and according to institute's feedack value, send and perform instruction to gate-controlled switch 33 and dc-dc 2.
Testing circuit 32 of the present invention comprises the first testing circuit 321 and the second testing circuit 322, wherein, described first testing circuit 321 is in order to detect power supply positive terminal 41 place's voltage or its current direction, and detected voltage or current value are fed back to controller 31, its one end is connected with positive terminal 41 place starting power supply, and the other end is connected with controller 31; Described second testing circuit 322 is in order to detect voltage or the current direction at ultracapacitor module 1 positive pole place in good time, and detected voltage or current value are fed back to controller 31, this second testing circuit comprises Hall element 5, and described Hall element 5 is positioned at super capacitor module positive pole place and is connected with described controller 31; This second testing circuit 322 utilizes Hall element 5 to realize the monitoring of voltage to ultracapacitor module 1 positive pole place or current direction; Controller 31 electrical parameters that then received by basis, the first testing circuit 321 and the second testing circuit 322 detect, and then judge whether to start dc-dc 2 and gate-controlled switch 33.
Dc-dc 2 of the present invention has an input port 21 and two output ports 22,23, wherein, described input port 21 is connected with power supply positive terminal 41, and output port 22 is connected with the positive pole 11 of ultracapacitor module, another input port 23 is connected with ultracapacitor module negative pole 12, as the first testing circuit 321 the magnitude of voltage that detects be greater than the magnitude of voltage that the second testing circuit 322 detects, or electric current is to the positive extreme direction flowing of ultracapacitor module 1, controller 31 sends executive signal to dc-dc and gate-controlled switch 33, make dc-dc work, simultaneously, gate-controlled switch 33 disconnects, electric current inputs to dc-dc 2 by input port 21, after the electric parameter of dc-dc 2 to input electric energy is changed, electric energy exports from the output port 22 of dc-dc 2 to ultracapacitor module 1, thus ultracapacitor module 1 is charged.
Gate-controlled switch 33 of the present invention is thyristor; One end of this gate-controlled switch 33 is connected with power supply positive terminal 41, and the other end is connected with the positive pole of ultracapacitor module 1, and the control of controlled device 31; When controller 31 finds that the magnitude of voltage that the first testing circuit 321 feeds back is less than the magnitude of voltage fed back of the second testing circuit 322, or when electric current flows out from supercapacitor positive electrode direction, controller 31 sends executive signal to gate-controlled switch 33 and dc-dc 2, this gate-controlled switch 33 is closed, make dc-dc 2 close, now, electric current flows out from the positive pole of ultracapacitor module 1 simultaneously, and flow to power supply positive terminal 41 through gate-controlled switch 33 and go out, externally export.
It is evident that, this gate-controlled switch 33 also can adopt insulated gate bipolar translator power tube, MOSFET or solid-state relay.
Controller 31 of the present invention is preferably single-chip microcomputer, certainly also can adopt programmable logic controller (PLC).
In the embodiment of the present invention, the whole course of work starting power supply is summarized as follows:
Start power source charges process as follows: as when starting power supply and needing charging, first, first testing circuit 321 and the second testing circuit 322 feed back to controller 31 voltage measured separately or current value, then controller 31 is according to fed back electrical parameters, judge the magnitude of voltage that magnitude of voltage that the first testing circuit 321 feeds back is greater than the second testing circuit 322 and feeds back, or electric current flows to supercapacitor positive electrode direction, then send executive signal to gate-controlled switch 33 and dc-dc 2, this gate-controlled switch 33 is made to be in dissengaged positions, make dc-dc 2 start simultaneously, now, electric current flows into from power supply positive terminal 41, then dc-dc 2 is entered by dc-dc input port 21, after regulating through dc-dc 2, electric current inputs from output port 22 to ultracapacitor module 1, and then the charging realized starting power supply.
Start corona discharge process as follows: start power initiation internal combustion engine as needs use, first, first testing circuit 321 and the second testing circuit 322 feed back to controller 31 voltage measured separately or current value, then controller 31 is according to fed back electrical parameters, judge the magnitude of voltage that magnitude of voltage that the first testing circuit 321 feeds back is less than the second testing circuit 322 and feeds back, or electric current flows out from supercapacitor positive electrode direction, then send executive signal to gate-controlled switch 33 and dc-dc, this gate-controlled switch 33 is closed, make dc-dc 2 close simultaneously, now, electric current flows out from the positive pole of ultracapacitor module 1, and flow to power supply positive terminal 41 through gate-controlled switch 33 and go out, and then externally export, combustion motor starts.
Startup power supply of the present invention is after electric discharge terminates, first, first testing circuit 321 and the second testing circuit 322 feed back to controller 31 voltage measured separately or current value, then controller 31 is according to fed back electrical parameters, judge the magnitude of voltage that magnitude of voltage that the first testing circuit 321 feeds back is greater than the second testing circuit 322 and feeds back, or electric current flows to supercapacitor positive electrode direction, then send executive signal to gate-controlled switch 33 and dc-dc, this gate-controlled switch 33 is made to be in dissengaged positions, make dc-dc 2 start simultaneously, make the electric parameter of the electric energy of input after dc-dc 2 is changed, and startup power supply is charged.
As can be seen from above embodiments of the invention, structure of the present invention is simple, and start power supply when carrying out discharge and recharge, all the power supply positive terminal and negative terminal that adopt, which overcome the technological deficiency that charging terminal and discharging terminals are difficult to gather together, very easy to use, and reduce manufacturing cost.
Claims (7)
1. an internal combustion engine start power supply, comprise the power supply positive terminal for connecting external loading and power cathode terminal, it is characterized in that, it also comprises ultracapacitor module, dc-dc and in order to monitor and to control the supervising device of the energy input and output of described startup power supply, positive pole and corresponding being connected with power cathode terminal with power supply positive terminal of negative pole difference of described ultracapacitor module, described dc-dc has an input port and two output ports, this dc-dc to be connected with power supply positive terminal by himself input port and two of this dc-dc output ports are connected with negative pole with the positive pole of super capacitor module respectively, described supervising device is connected with this circuit with on the circuit between power supply positive terminal at described ultracapacitor module positive pole, when the voltage at described power supply positive terminal place is greater than described ultracapacitor module voltage, or electric current is when flowing to ultracapacitor module from power supply positive terminal, described supervising device control institute's inflow current regulated by dc-dc after to described ultracapacitor module input, when the voltage at power supply positive terminal place is less than ultracapacitor module voltage, or when electric current flows from ultracapacitor module to power supply positive terminal, the electric energy that described supervising device controls described ultracapacitor module directly exports from power supply positive terminal.
2. internal combustion engine start power supply as claimed in claim 1, it is characterized in that, described supervising device comprises controller, testing circuit and gate-controlled switch, and described testing circuit and gate-controlled switch are connected with this controller respectively and control by this controller.
3. internal combustion engine start power supply as claimed in claim 2, it is characterized in that, described testing circuit comprises the first testing circuit and the second testing circuit, and described first testing circuit is connected with controller with described power supply positive terminal respectively and detects power supply positive terminal place electric parameter information and feed back to controller; Described second testing circuit comprises Hall element, and this Hall element is positioned at ultracapacitor module positive pole place and is connected with described controller and detects the electric parameter information at ultracapacitor module positive pole place and feed back to controller.
4. internal combustion engine start power supply as claimed in claim 3, it is characterized in that, on the circuit of described gate-controlled switch between described power supply positive terminal and ultracapacitor module positive pole, described dc-dc is connected with described controller and is subject to the control of this controller; When the first testing circuit place voltage is greater than the voltage at the second testing circuit place, or electric current to ultracapacitor module positive extreme direction flowing time, described controller sends and performs instruction to gate-controlled switch and dc-dc, gate-controlled switch is disconnected and dc-dc work, and electric current flows to dc-dc from the first testing circuit; When the first testing circuit place voltage is less than the voltage at the second testing circuit place, or electric current is when flowing out from supercapacitor positive electrode direction, described controller sends and performs instruction to gate-controlled switch and dc-dc, make gate-controlled switch closed and dc-dc is closed, described electric energy outwards exports from ultracapacitor module positive pole through gate-controlled switch.
5. the internal combustion engine start power supply as described in any one of Claims 1-4, it is characterized in that, described power supply positive terminal and power cathode terminal are one, described startup power supply by this power supply positive terminal and power cathode terminal to described ultracapacitor module input electric energy or make the electric energy of ultracapacitor module externally export.
6. the internal combustion engine start power supply as described in any one of claim 2 to 4, is characterized in that, described gate-controlled switch is thyristor, insulated gate bipolar translator power tube, MOSFET or solid-state relay.
7. internal combustion engine start power supply as claimed in claim 6, it is characterized in that, described controller is single-chip microcomputer or programmable logic controller (PLC).
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| CN201310609767.XA CN103618351B (en) | 2013-11-27 | 2013-11-27 | Internal combustion engine is with starting power supply |
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| CN201310609767.XA CN103618351B (en) | 2013-11-27 | 2013-11-27 | Internal combustion engine is with starting power supply |
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| CN103618351B true CN103618351B (en) | 2016-01-20 |
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| CN102182605B (en) * | 2011-04-19 | 2015-12-09 | 南车戚墅堰机车有限公司 | The method of performing diesel engine electrical startup on super capacitor assisted diesel locomotive |
| JP2013219955A (en) * | 2012-04-10 | 2013-10-24 | Hitachi Vehicle Energy Ltd | Power supply device |
| CN102881943B (en) * | 2012-09-25 | 2015-05-06 | 重庆永通信息工程实业有限公司 | Internal-combustion engine starting power supply |
| CN103066658B (en) * | 2012-12-26 | 2015-11-18 | 广州供电局有限公司 | Protect power supply device |
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Effective date of registration: 20160607 Address after: 523860 Guangdong province Dongguan city Changan town Xingfa Road Industrial Park Star usha B building, first floor Patentee after: FUHUADE ELECTRONICS (DONGGUAN) CO., LTD. Address before: 214028 Jiangsu city of Wuxi province Jiang Xi Wuxi national hi tech Industrial Development Zone Fangqian Street Chunyang Road No. 28 Patentee before: Wuxi Fuhong Technology Co., Ltd. |