CN104786912A - Illumination delay system of electric vehicle - Google Patents
Illumination delay system of electric vehicle Download PDFInfo
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- CN104786912A CN104786912A CN201410030399.8A CN201410030399A CN104786912A CN 104786912 A CN104786912 A CN 104786912A CN 201410030399 A CN201410030399 A CN 201410030399A CN 104786912 A CN104786912 A CN 104786912A
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- electrically connected
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- vehicle
- illumination system
- effect transistor
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Abstract
The invention discloses an illumination delay system of an electric vehicle. The electric vehicle comprises a vehicle body, a back end illumination circuit, a battery power supply, a main switch lock and a direct current-direct current power supply switching circuit; and the illumination delay system comprises a power supply switching unit connected between the battery power supply and the direct current-direct current power supply switching circuit, and a delay control unit electrically connected with the main switch lock and the power supply switching unit. After the main switch lock is unlocked, the delay control unit is charged, the power supply switching unit is conducted, and voltage output by the battery power supply supplies the need of the back end illumination circuit after the direct-current voltage reduction through the direct current-direct current power supply switching circuit; and after the main switch lock is locked, the delay control unit begins to discharge, and excites the power supply switching unit to continuously conduct until electricity is consumed, so that the effect of delaying the closing of the light illumination is provided.
Description
Technical field
The present invention relates to a kind of Lighting System, particularly relate to a kind of delaying illumination system of elec. vehicle.
Background technology
Consult Fig. 1, for a kind of older of providing or body barrier personage ride instead of walk use conventional electric vehicle 1, the illumination equipment of this kind of elec. vehicle 1 includes front lamp 11 and rear lighting lamp 12, when user key to be inserted in lockhole and activator switch time, front lamp 11 and rear lighting lamp 12 can be all complete bright state.In addition, when user rotate key and closing switch time, front lamp 11 and rear lighting lamp 12 can be all OFF state.Therefore, dock at the comparatively dim place of light once elec. vehicle 1, user is after parking, run in indoor process and easily tripped by the obstacle on road, or the obstacle bumped against on road, even cause injured, especially for older or body barrier personage dangerous especially.
Summary of the invention
Therefore, object of the present invention, is namely providing a kind of elec. vehicle after locking, can the delaying illumination system of the lamplit elec. vehicle of late release.
So, the delaying illumination system of elec. vehicle of the present invention, this elec. vehicle comprises car body, the rear end lighting circuit be arranged in this car body, be arranged in this car body and provide the battery supply of running required electric power, be arranged at this car body and the lock on switch be electrically connected with this battery supply, and to be arranged in this car body and the direct current being electrically connected this delaying illumination system and this rear end lighting circuit to direct-current power supply converting circuit; This delaying illumination system comprises electrical source exchange unit, and delay control unit.
This electrical source exchange unit is electrically connected on this battery supply of this elec. vehicle and this direct current between direct-current power supply converting circuit, after this lock on switch of this elec. vehicle is unblanked, this electrical source exchange cell conduction, the voltage that this battery supply is exported should rear end lighting circuit to confession after direct-current power supply converting circuit DC decompression through this direct current.
This delay control unit is electrically connected this lock on switch and this electrical source exchange unit of this elec. vehicle, and after this lock on switch unblanked, this delay control unit is in charge condition, after this lock on switch is blocked, this delay control unit is in discharge regime to control this electrical source exchange unit constant conduction, until the electric discharge of this delay control unit exhausts.
Effect of the present invention is the design by this delay control unit, after making the lock on switch locking of elec. vehicle, the electric discharge of this delay control unit is to control this electrical source exchange unit constant conduction, the voltage keeps that this battery supply is exported through this direct current to after direct-current power supply converting circuit DC decompression for should needed for the lighting circuit of rear end, until the electric discharge of this delay control unit exhausts, this rear end lighting circuit is still sustainable after this lock on switch locking by this provides lighting to reach a period of time, can have ample time after parking with person easy to use and run to indoor or other bright place safely.
Accompanying drawing explanation
Of the present invention other feature and effect, by reference to accompanying drawing embodiment in clearly present, wherein:
Fig. 1 is schematic side view, and a kind of existing elec. vehicle is described;
Fig. 2 is assembly annexation schematic diagram, and the preferred embodiment of the delaying illumination system of elec. vehicle of the present invention is described;
Fig. 3 is circuit diagram, aid illustration Fig. 2; And
Fig. 4 is schematic diagram, shows the local of this elec. vehicle in aid illustration Fig. 2, figure.
Reference numeral:
21 car bodies
22 instrument face plates
221 low electricity patterns
23 rear end lighting circuits
24 battery supplies
25 lock on switchs
26 detectors
27 electronic controllers
28 direct currents are to direct-current power supply converting circuit
3 delaying illumination systems
31 electrical source exchange unit
311 first coil contacts
312 second coil contacts
313 normally closed contacts
314 normal opened contacts
315 are total to contact
32 delay control units
321 charge-discharge modules
322 knobs
33 first anti-reverse protective circuits
34 second anti-reverse protective circuits
35 the 3rd anti-reverse protective circuits
36 filter circuits
C6 cond
C7 filter capacitor
D1, D2 first diode
D3 second diode
D4 the 3rd diode
Z1 Zener diode
Q1 field-effect transistor
D drains
S source electrode
G grid
R5 resistor
R7 variable rheostat
R8 resistor
R10 resistor
Detailed description of the invention
Consult Fig. 2,3,4, the delaying illumination system 3 of elec. vehicle of the present invention, this elec. vehicle comprises car body 21, is arranged at the instrument face plate 22 of car body 21 front end, the rear end lighting circuit 23 be arranged in this car body 21, be arranged in this car body 21 and provide the battery supply 24 of running required electric power, be arranged at this car body 21 and the lock on switch 25 be electrically connected with this battery supply 24, and to be arranged in this car body 21 and the direct current being electrically connected on this delaying illumination system 3 and this rear end lighting circuit 23 to direct-current power supply converting circuit 28.
And this delaying illumination system 3 comprises electrical source exchange unit 31, and delay control unit 32.In the preferred embodiment, this electrical source exchange unit 31 explains with relay, and have this battery supply 24 of electrical connection the first coil contact 311, the second coil contact 312 being electrically connected this delay control unit 32, normally closed contact 313, be electrically connected the normal opened contact 314 of this direct current to direct-current power supply converting circuit 28, and be electrically connected on the common contact 315 between this battery supply 24 and this first coil contact 311.
Consult Fig. 2,3,4, this delay control unit 32 comprises field-effect transistor Q1, and charge-discharge modules 321.This field-effect transistor Q1 has in order to the source S of ground connection, in order to be electrically connected the drain D of this electrical source exchange unit 31, and is electrically connected the grid G of this charge-discharge modules 321.And this charge-discharge modules 321 comprises the variable rheostat R7 between the cond C6 between grid G and ground connection being electrically connected on this field-effect transistor Q1, the grid G being electrically connected on this field-effect transistor Q1 and ground connection, and be connected with variable rheostat R7 and protrude from the knob 322 outside this instrument face plate 22.This cond C6 and this variable rheostat R7 is in parallel.And this knob 322 can provide user's manual rotation to adjust the resistance value of this variable rheostat R7.
In addition, this delaying illumination system 3 also comprises the anti-reverse protective circuit 34 of the first anti-reverse protective circuit 33, second, the 3rd anti-reverse protective circuit 35, and filter circuit 36.This first anti-reverse protective circuit 33 comprises 2 first diode D1, D2; this first diode D1, D2 all have anode; and negative electrode; these first diodes D1, D2 are electrically connected this battery supply 24 with anode, and the negative electrode of these first diodes D1, D2 is then electrically connected with the first coil contact 311 of this electrical source exchange unit 31 by contact resistance device R8.By the setting of this first anti-reverse protective circuit 33, can prevent electric current adverse current from getting back to this battery supply 24, not damage by backward current affects to protect this battery supply 24.
This second anti-reverse protective circuit 34 comprises the second diode D3, Zener diode Z1, and resistor R5.This second diode D3 and this Zener diode Z1 all has anode, and negative electrode, the anode of this second diode D3 is electrically connected this lock on switch 25, the negative electrode then negative electrode of electric connection resistance device R5 and this Zener diode and the grid G of this field-effect transistor Q1 of this second diode D3, the plus earth of this Zener diode Z1.By the setting of this second anti-reverse protective circuit 34, can guarantee that the electric current when cond C6 of this charge-discharge modules 321 discharges only can towards the grid G of this field-effect transistor Q1, can not counter-flow toward this battery supply 24.
This filter circuit 36 comprises resistor R10 and filter capacitor C7, and this resistor R10 one end is electrically connected the drain D of this field-effect transistor Q1, and this filter capacitor C7 two ends are then electrically connected on this resistor R10 other end and ground connection respectively.By the setting of this filter circuit 36, can filtering noise, make this field-effect transistor Q1 not by noise jamming.
The 3rd diode D4 is comprised as the 3rd anti-reverse protective circuit 35; 3rd diode D4 has the anode of the drain D being electrically connected on this field-effect transistor Q1, and in order to the negative electrode between the resistor R10 that is electrically connected on this filter circuit 36 and this filter capacitor C7.By the setting of the 3rd anti-reverse protective circuit 35, this filter capacitor C7 can be avoided in the damage not causing this field-effect transistor Q1 upon discharging.
Consult Fig. 2, 3, 4, in use, the key (not shown) arranged by this elec. vehicle as user inserts this lock on switch 25 and after rotating and unblanking, the electric current that this battery supply 24 produces can via this first anti-reverse protective circuit 33 and by the common contact 315 of this resistor R8 and this electrical source exchange unit 31, now can the common contact 315 of this electrical source exchange unit 31 excitatory contact with normal opened contact 314, the voltage that this battery supply 24 is produced is after this direct current carries out DC decompression to direct-current power supply converting circuit 28, for should rear end lighting circuit 23 required voltage in time throwing light on.Special version, the battery supply 24 of general elec. vehicle exports as vdc 60 volts, is depressurized to 12 volts through direct current to direct-current power supply converting circuit 28, could in order to supply rear end lighting circuit 23 required electric power.
This electrical source exchange unit 31 is by after excitatory simultaneously, by the electric current of this resistor R8 the first coil contact 311 and the second coil contact 312 via this electrical source exchange unit 31, and then flow into the drain D of this field-effect transistor Q1, by the grid G of this field-effect transistor Q1, and flow into the cond C6 of this charge-discharge modules 321, to carry out charging effect to the cond C6 of this charge-discharge modules 321.
In addition, key is rotated and after making this lock on switch 25 locking as user, now discharged by the cond C6 of this charge-discharge modules 321, to make this field-effect transistor Q1 conducting, and then this electrical source exchange unit 31 constant conduction excitatory, make this battery supply 24 still can continue for should rear end lighting circuit 23 required electric power in time throwing light on, until the cond C6 electric discharge of this charge-discharge modules 321 exhausts, this field-effect transistor Q1 not conducting, this electrical source exchange unit 31 no longer excitatory, thus this electrical source exchange unit 31 also not conducting, now this rear end lighting circuit 23 lighting-off effect.Special version be, the discharge and recharge time of the cond C6 of this charge-discharge modules 321 is controlled by the modulation of this variable rheostat R7, when the resistance value of this variable rheostat R7 is larger, the discharge time of the cond C6 of this charge-discharge modules 321 is more of a specified duration, that is the lighting time postponing this rear end lighting circuit 23 is also more of a specified duration.By this after user completes parking and pull away key, this rear end lighting circuit 23 still can drive the light fixture (not shown) be connected to postpone illumination a period of time, can have ample time run to indoor or other bright place safely with person easy to use after parking.
Consult Fig. 2,4, subsidiary one carry be, this elec. vehicle also comprises the detector 26 of the electricity detecting this battery supply 24, and be electrically connected the electronic controller (ECU) 27 of this detector 26 and this instrument face plate 22, when this electronic controller 27 obtain this detector 26 record this battery supply 24 for low electricity time, the low electricity pattern 221 that can control to be located at this instrument face plate 22 is flicker, notes the electricity that also can supplement this battery supply 24 as early as possible to remind user.
In sum, the delaying illumination system 3 above tectonic sieving of elec. vehicle of the present invention, by the design of this delay control unit 32, after making lock on switch 25 locking of elec. vehicle, this delay control unit 32 electric discharge also excitation power supply switch unit 31 constant conduction, and then make that this rear end lighting circuit 23 is still sustainable provides lighting to reach one section of Preset Time, can have ample time after parking with person easy to use and run to indoor or other bright place safely, therefore really can reach object of the present invention.
As described above, be only the preferred embodiments of the present invention, when not limiting scope of the invention process with this, the simple equivalence namely generally done according to the claims in the present invention and description changes and modifies, and all still remains within the scope of the patent.
Claims (10)
1. the delaying illumination system of an elec. vehicle, described elec. vehicle comprises car body, the rear end lighting circuit be arranged in described car body, be arranged in described car body and provide the battery supply of running required electric power, be arranged at described car body and the lock on switch be electrically connected with described battery supply, and to be arranged in described car body and the direct current being electrically connected described delaying illumination system and described rear end lighting circuit to direct-current power supply converting circuit; Described delaying illumination system comprises:
Electrical source exchange unit, be electrically connected on described battery supply and described direct current between direct-current power supply converting circuit, after the described lock on switch of described elec. vehicle is unblanked, described electrical source exchange cell conduction, the voltage that described battery supply is exported through described direct current to supplying described rear end lighting circuit after direct-current power supply converting circuit DC decompression; And
Delay control unit, be electrically connected the described lock on switch of described elec. vehicle and described electrical source exchange unit, and after described lock on switch unblanked, described delay control unit is in charge condition, after described lock on switch is blocked, described delay control unit is in discharge regime to control described electrical source exchange unit constant conduction, until the electric discharge of described delay control unit exhausts.
2. the delaying illumination system of elec. vehicle as claimed in claim 1, wherein, described delay control unit comprises field-effect transistor, and the charge-discharge modules be electrically connected between described field-effect transistor and described lock on switch, after the described lock on switch of described elec. vehicle is unblanked, described charge-discharge modules is in charge condition, after described lock on switch is blocked, described charge-discharge modules is in discharge regime to activate described field-effect transistor conducting, and then electrical source exchange unit constant conduction described in excited magnetic control, until the electric discharge of described charge-discharge modules exhausts.
3. the delaying illumination system of elec. vehicle as claimed in claim 2, wherein, described field-effect transistor has the source electrode in order to ground connection, in order to be electrically connected the drain electrode of described electrical source exchange unit, and be electrically connected the grid of described charge-discharge modules, and described charge-discharge modules comprises cond, and the variable rheostat to be in parallel with described cond, described cond one end is electrically connected on the grid of described field-effect transistor, the described cond other end then ground connection, described variable rheostat one end is electrically connected on the grid of described field-effect transistor, the described variable rheostat other end then ground connection.
4. the delaying illumination system of elec. vehicle as claimed in claim 3, wherein, described charge-discharge modules also comprises and to be connected with described variable rheostat and to protrude from the outer knob adjusting the resistance value of described variable rheostat for manual rotation of described instrument face plate.
5. the delaying illumination system of the elec. vehicle as described in claim 3 or 4, wherein, described electrical source exchange unit is relay, and there is electrical connection the first coil contact of described battery supply, the second coil contact being electrically connected the drain electrode of described field-effect transistor, normally closed contact, the described direct current of electrical connection to the normal opened contact of direct-current power supply converting circuit, and be electrically connected on the common contact between described battery supply and described first coil contact.
6. the delaying illumination system of elec. vehicle as claimed in claim 5; also comprise the first anti-reverse protective circuit; described first anti-reverse protective circuit comprises at least one first diode; described first diode has the anode being electrically connected described battery supply, and in order to be electrically connected the negative electrode of described electrical source exchange unit.
7. the delaying illumination system of elec. vehicle as claimed in claim 6; also comprise the second anti-reverse protective circuit; described second anti-reverse protective circuit comprises at least one second diode; and the Zener diode be electrically connected between the grid of described field-effect transistor and ground connection; described second diode has the anode being electrically connected described lock on switch; and in order to be electrically connected the negative electrode of described charge-discharge modules, described Zener diode and described cond, described variable rheostat are in parallel.
8. the delaying illumination system of elec. vehicle as claimed in claim 7, also comprise filter circuit, described filter circuit is electrically connected between the described drain electrode of described field-effect transistor and ground connection.
9. the delaying illumination system of elec. vehicle as claimed in claim 8, wherein, described filter circuit comprises the resistor of the described drain electrode of the described field-effect transistor of electrical connection, and is electrically connected on the filter capacitor between described resistor and ground connection.
10. the delaying illumination system of elec. vehicle as claimed in claim 9; also comprise the 3rd anti-reverse protective circuit; described 3rd anti-reverse protective circuit comprises at least one 3rd diode; described 3rd diode has the anode of the described drain electrode of the described field-effect transistor of electrical connection, and is electrically connected on the negative electrode between the described resistor of described filter circuit and described filter capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410030399.8A CN104786912B (en) | 2014-01-22 | 2014-01-22 | The delaying illumination system of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410030399.8A CN104786912B (en) | 2014-01-22 | 2014-01-22 | The delaying illumination system of electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104786912A true CN104786912A (en) | 2015-07-22 |
| CN104786912B CN104786912B (en) | 2017-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410030399.8A Expired - Fee Related CN104786912B (en) | 2014-01-22 | 2014-01-22 | The delaying illumination system of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104786912B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3881128A (en) * | 1974-02-20 | 1975-04-29 | Carl L Douglas | Electrical load control for a motor vehicle |
| CN101190664A (en) * | 2006-12-01 | 2008-06-04 | 丰田自动车株式会社 | Vehicular illumination system |
| CN101468621A (en) * | 2007-12-24 | 2009-07-01 | 华晶科技股份有限公司 | Auxiliary lighting system for automobile |
| WO2013117923A1 (en) * | 2012-02-07 | 2013-08-15 | Two Trees Photonics Limited | Lighting device for headlights with a phase modulator |
-
2014
- 2014-01-22 CN CN201410030399.8A patent/CN104786912B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3881128A (en) * | 1974-02-20 | 1975-04-29 | Carl L Douglas | Electrical load control for a motor vehicle |
| CN101190664A (en) * | 2006-12-01 | 2008-06-04 | 丰田自动车株式会社 | Vehicular illumination system |
| CN101468621A (en) * | 2007-12-24 | 2009-07-01 | 华晶科技股份有限公司 | Auxiliary lighting system for automobile |
| WO2013117923A1 (en) * | 2012-02-07 | 2013-08-15 | Two Trees Photonics Limited | Lighting device for headlights with a phase modulator |
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| Publication number | Publication date |
|---|---|
| CN104786912B (en) | 2017-03-01 |
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