CN2938687Y - Working circuit of vehicle repair light - Google Patents
Working circuit of vehicle repair light Download PDFInfo
- Publication number
- CN2938687Y CN2938687Y CNU2006200762701U CN200620076270U CN2938687Y CN 2938687 Y CN2938687 Y CN 2938687Y CN U2006200762701 U CNU2006200762701 U CN U2006200762701U CN 200620076270 U CN200620076270 U CN 200620076270U CN 2938687 Y CN2938687 Y CN 2938687Y
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- CN
- China
- Prior art keywords
- led
- resistance
- chip
- white light
- common
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
Disclosed is a lamp working circuit for repairing vehicle, which comprises a charging protection circuit and a LED drive circuit. The LED drive circuit consists of an integrated IC555 timer, a dynatron transistor Q 1, a dynatron transistor Q 2 and a miniature button switch. A plurality of LEDs are connected in a mode the yellow -white twin chips share one cathode and are divided into two groups. The anode of the yellow light LEDs in the first group is provided with a first yellow light LEDs public contact which at the same time serves as the power supply input of the integrated IC555 timer; the anode of the white light LEDs is provided with a first white light LED public contact, and the anode of the yellow light LEDs in the second group is connected to a second yellow light LED public contact, the anode of the white light LEDs is connected to the second white light LED public contact and the shared cathode is a load output terminal, two public terminals of the button switch are respectively fixed to a load input terminal and the public cathode contact of the first group of LEDs. By turning the button switch, the two public terminals are simultaneously connected with the yellow light LED public contact, or connected with the white light LED public contact. The lamp working circuit for repairing vehicle has the function of yellow light flickering and white light illuminating.
Description
[technical field]
The utility model is the operating circuit about special lighting, is meant a kind of lamp operating circuit that repairs especially.
[background technology]
The existing lamp that repairs adopts fluorescent lamp as lighting source more, and the operating voltage height generally all adopts the electric main power supply, and it is convenient inadequately to use.The product of employing superhigh brightness LED (LED) as the lamp source that repairs also arranged, but function is more single, has only the light on and off of white light, does not have caution and help function, can not satisfy driver's actual needs.Some product, the defencive function of its rechargeable battery is poor, causes reduce greatly the useful life of product.
[summary of the invention]
Technical problem to be solved in the utility model is to provide a kind of lamp operating circuit that repairs with gold-tinted flashing function.
The utility model solves the problems of the technologies described above by the following technical programs: a kind of lamp operating circuit that repairs, and to form by charge protector and led drive circuit, and comprise a plurality of LED, led drive circuit is mainly by integrated IC555 timer, triode Q
1, Q
2Compositions such as small-sized toggle switch, the output of described integrated IC555 timer is connected to the base stage of triode Q1 by resistance R 12, the collector electrode of triode Q1 is connected to load input terminal by a resistance R 13, the base stage of triode Q2 is connected to the collector electrode of triode Q1, the emitter of triode Q1 and Q2 is received systematically, the collector electrode of triode Q2 is drawn as the load output, described a plurality of LED adopts yellowish-white twin-core sheet common cathode connection, and be divided into two groups, wherein the anode tap of the yellow light LED in first group of LED has common junction, the first yellow light LED common junction and described common junction lay respectively at anode and the negative electrode of a diode D3, the first yellow light LED common junction is as the power input of integrated IC555 timer simultaneously, the anode tap of white light LEDs has the first white light LEDs common junction, the anode tap of the yellow light LED in described second group of LED is connected to one second yellow light LED common junction by a resistance respectively, the anode tap of white light LEDs is connected to one second white light LEDs common junction by a resistance respectively, its common cathode terminal contact is the load output, two common ports of described toggle switch are fixedly attached to the common cathode contact of load input terminal and first group of LED respectively, by pulling toggle switch, these two common ports respectively with the first yellow light LED common junction, the second yellow light LED common junction connects, perhaps with the first white light LEDs common junction, the second white light LEDs common junction connects, thereby can realize the function of white-light illuminating and gold-tinted flicker.
Described charge protector comprises MC34063 chip and LM358 chip; described MC34063 chip provides input voltage after by step-down the operating voltage of LM358 chip; first output of described LM358 chip and second output connect a resistance R 8 and a resistance R 9 respectively; the other end of resistance R 8 and resistance R 9 is received the anode input of a light-emitting diode respectively then; this light-emitting diode adopts red green twin-core sheet common cathode to connect; and negative electrode welding system ground; the direct welding system of the earth terminal of LM358 chip ground; second inverting input and described first output have common junction; the described lamp operating circuit that repairs comprises that also one is composed in series by resistance R 5 and TL431 chip; be attempted by its operating voltage and systematically between control loop; resistance R 5 is connected with the negative electrode of TL431 chip; be connected to first inverting input and second in-phase input end of LM358 chip behind the common contact of the reference edge of the anode welding system ground TL431 chip of TL431 chip and its negative electrode; this lamp operating circuit that repairs also is included in the reference level loop of setting up on first in-phase input end of LM358 chip; this loop is by resistance R 6; the branch hydraulic circuit that resistance R 7 and adjustable resistance RP are composed in series; this loop be connected on described operating voltage and systematically between; contact between resistance R 6 and the resistance R 7 links to each other with first in-phase input end of LM358 chip; by changing the resistance of adjustable resistance RP, sampling voltage that can meticulous regulating cell.
Each white light LEDs and each yellow light LED are integrated in respectively in the encapsulation monomer.
The advantage of a kind of lamp operating circuit that repairs of the utility model is: 1, except the control of white light as the lighting source light on and off, also have the gold-tinted flashing function; 2, each white light and gold-tinted light source are integrated in respectively in the encapsulation monomer, save the space; 3, battery pack has charge protector; 4, the product battery pack has the charged state deixis.
[description of drawings]
The utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the circuit connection diagram of a kind of lamp operating circuit that repairs of the utility model.
[embodiment]
See also Fig. 1, a kind of lamp operating circuit that repairs of the utility model is made up of charge protector and LED (Light Emitting Diode, light-emitting diode) drive circuit.
Charge protector mainly by MC34063 chip 10 and 30 two kinds of integrated circuit (IC) chip of LM358 chip with and peripheral components form.Led drive circuit is mainly by integrated IC555 timer 40, triode Q
1Q
2, small-sized toggle switch S
2Deng composition.
MC34063 chip 10 is the ambipolar linear integrated circuit of a monolithic, be exclusively used in the control of DC-to-DC voltage transformation, its packing forms is that plastic packaging biserial 8 lead-in wires are direct insertion, have switching tube collector electrode 11, switching tube emitter 12, timing capacitor 13, systematically 14, the anti-phase input 15 of comparator, voltage input 16, current detecting 17, driving tube collector electrode 18, totally 8 pins.In the utility model MC34063 chip 10 according to its as the common mode of buck converter with power supply and systematically be connected, its concrete connected mode is: connect power supply by a resistance R 1 after switching tube collector electrode 11 links to each other with driving tube collector electrode 18, input voltage vin, switching tube emitter 12 connects an inductor L1, the other end of inductor L1 is as power output end output voltage V 0, connect a capacitor C 2 on timing capacitor 13 pins, the other end welding system ground of capacitor C 2, the direct welding system of 14 pins ground systematically, anti-phase input 15 pins of comparator connect a resistance R 2 and a resistance R 3, the other end of resistance R 2 is connected to power output end, voltage is imported 16 pins and is connect voltage input end, input voltage vin, current detecting 17 pins are connected with driving tube collector electrode 18 pins, an other capacitor C 1 be connected in power input and systematically between, a capacitor C 3 be connected in power output end and systematically between.
The charging input voltage vin of this lamp operating circuit that repairs is provided by power supply adaptor or vehicle power, the scope of input voltage vin at direct current 10.8V between the 26.4V, the output voltage V 0 that input voltage vin obtains after by 10 step-downs of MC34063 chip is the 9V direct voltage, and D2 charges the battery by diode.Battery is by the chargeable nickel-cadmium cell 1000mAh series connection of 6 joint AA packing.Maximum charging current is subjected to resistance R 1 restriction in the circuit.
LM358 chip 30 inside include two independently, the dual operational amplifier of high-gain, internal frequency compensation, its packing forms has plastic packaging 8 lead-in wire dual inline types and SMD, have first output 31, first inverting input 32, first in-phase input end 33, earth terminal 34, second in-phase input end 35, second inverting input 36, and second output 37.First output 31 and second output 37 connect a resistance R 8 and a resistance R 9 respectively, the other end of resistance R 8 and resistance R 9 is received the anode input of a light-emitting diode respectively then, this light-emitting diode adopts red green twin-core sheet common cathode to connect, and negative electrode welding system ground.The luminous element that the two light-emitting diode chip for backlight unit common cathode connection encapsulation of this employing obtain is as the red green indicator light LED1 of this charge protector.Earth terminal 34 direct welding system ground, second inverting input 36 and first output 31 be contact altogether.
This lamp operating circuit that repairs also comprise one 20 that be composed in series by resistance R 5 and TL431 chip, be attempted by supply voltage V0 and systematically between control loop, resistance R 5 is connected with the negative electrode of TL431 chip 20, the anode welding system ground of TL431 chip 20, the reference edge of TL431 chip 20 and its negative electrode are connected to altogether first inverting input 32 and second in-phase input end 35 of LM358 chip 30 behind the contact, thereby as the comparative voltage of LM358 chip 30.This lamp operating circuit that repairs also is included in the reference level loop of setting up on first in-phase input end 33 of LM358 chip 30, this loop is by resistance R 6, the branch hydraulic circuit that resistance R 7 and adjustable resistance RP are composed in series, this loop also be connected on supply voltage V0 and systematically between, contact between resistance R 6 and the resistance R 7 links to each other with first in-phase input end 33, by changing the resistance of adjustable resistance RP, sampling voltage that can meticulous regulating cell, the full charging that is the battery resistance is pressed, when battery pack reaches the charging voltage of setting, make red green indicator light LED1 become green glow by ruddiness by 30 controls of LM358 chip.
Led drive circuit is mainly by integrated IC555 timer 40, triode Q
1, Q
2, small-sized toggle switch S
2Deng composition.The output of integrated IC555 timer 40 is connected to the base stage of triode Q1 by resistance R 12, the collector electrode of triode Q1 is connected to load input terminal LED+ by a resistance R 13, control by a K switch 1 between this load input terminal LED+ and the supply voltage V0, the base stage of triode Q2 is connected to the collector electrode of triode Q1, the emitter of triode Q1 and Q2 is received systematically, and the collector electrode of triode Q2 is drawn as load output LED-.
Comprise a plurality of LEDs in this lamp operating circuit that repairs, LED2 to LED28 as shown in fig. 1, these LED adopt yellowish-white twin-core sheet common cathode connection, and are divided into two groups, first group of LED2 to LED15 as shown in Figure 1 wherein, second group is LED16 to LED28.The anode tap of the yellow light LED of first group of LED2 to LED15 has common junction 50, the anode tap of white light LEDs has common junction W1, its common cathode terminal contact is A, contact Y1 and common junction 50 lay respectively at anode and the negative electrode of a diode D3, and contact Y1 is as the power input of integrated IC555 timer 40 simultaneously.The anode tap of the yellow light LED of second group of LED16 to LED28 is connected to a common junction Y2 by a resistance respectively, the anode tap of white light LEDs is connected to a common junction W2 by a resistance respectively, these resistance R14 to R39 as shown in fig. 1, its common cathode terminal contact is load output LED-.
This toggle switch S
2Two common ports be fixedly attached to load input terminal LED+ and A respectively, by pulling this toggle switch S
2, these two common ports are connected with binding post Y1, Y2 respectively simultaneously, perhaps are connected with binding post W1, W2 respectively simultaneously.
The working method of this lamp operating circuit that repairs is as described below: after the mains switch K1 of the anode input of light-emitting diode connected, battery pack began discharge, can be by changing toggle switch S
2State change the luminance of LED.When toggle switch S2 connects the binding post Y1 of yellow light LED and Y2, also make the power connection of integrated IC555 timer 40, thus 40 work of integrated IC555 timer, the pulse control triode Q of the 3HZ of integrated IC555 timer 40 outputs this moment
1, Q
2Conducting with end, thereby make yellow light LED flicker.As toggle switch S
2Also cut off the working power of integrated IC555 timer 40 in the time of the binding post W1 of connection white light LEDs and W2, it is not worked, at this moment triode Q
1Do not work, make triode Q
2Make white light LEDs Chang Liang thereby be in normally on, the connected mode that the LED in this circuit adopts earlier and go here and there the back.
Claims (3)
1. the lamp operating circuit that repairs is made up of charge protector and led drive circuit, and comprises a plurality of LED, it is characterized in that: led drive circuit is mainly by integrated IC555 timer (40), triode Q
1, Q
2, small-sized toggle switch (S
2) wait composition, the output of described integrated IC555 timer is connected to the base stage of triode Q1 by resistance R 12, the collector electrode of triode Q1 is connected to load input terminal (LED+) by a resistance R 13, the base stage of triode Q2 is connected to the collector electrode of triode Q1, the emitter of triode Q1 and Q2 is received systematically, the collector electrode of triode Q2 is drawn as load output (LED-), described a plurality of LED adopts yellowish-white twin-core sheet common cathode connection, and be divided into two groups, wherein the anode tap of the yellow light LED in first group of LED has common junction (50), the first yellow light LED common junction (Y1) and described common junction (50) lay respectively at anode and the negative electrode of a diode D3, the first yellow light LED common junction is as the power input of integrated IC555 timer simultaneously, the anode tap of white light LEDs has the first white light LEDs common junction (W1), the anode tap of the yellow light LED in described second group of LED is connected to one second yellow light LED common junction (Y2) by a resistance respectively, the anode tap of white light LEDs is connected to one second white light LEDs common junction (W2) by a resistance respectively, its common cathode terminal contact is load output (LED-), two common ports of described toggle switch are fixedly attached to the common cathode contact of load input terminal and first group of LED respectively, pull toggle switch, these two common ports respectively with the first yellow light LED common junction, the second yellow light LED common junction connects, perhaps with the first white light LEDs common junction, the second white light LEDs common junction connects.
2. a kind of lamp operating circuit that repairs as claimed in claim 1; it is characterized in that: described charge protector comprises MC34063 chip (10) and LM358 chip (30); described MC34063 chip is with the operating voltage (V0) of input voltage (Vin) by the LM358 chip is provided after the step-down; first output (31) of described LM358 chip and second output (37) connect a resistance R 8 and a resistance R 9 respectively; the other end of resistance R 8 and resistance R 9 is received the anode input of a light-emitting diode respectively then; this light-emitting diode adopts red green twin-core sheet common cathode to connect; and negative electrode welding system ground; the earth terminal of LM358 chip (34) is welding system ground directly; second inverting input (36) has common junction with described first output; the described lamp operating circuit that repairs comprises that also one is composed in series by resistance R 5 and TL431 chip (20); be attempted by its operating voltage and systematically between control loop; resistance R 5 is connected with the negative electrode of TL431 chip; the anode welding system ground of TL431 chip; be connected to first inverting input (32) and second in-phase input end (35) of LM358 chip behind the common contact of the reference edge of TL431 chip and its negative electrode; this lamp operating circuit that repairs also is included in first in-phase input end (33) of LM358 chip and goes up the reference level loop of setting up; this loop is by resistance R 6; the branch hydraulic circuit that resistance R 7 and adjustable resistance RP are composed in series; this loop be connected on described operating voltage and systematically between, the contact between resistance R 6 and the resistance R 7 links to each other with first in-phase input end of LM358 chip.
3. a kind of lamp operating circuit that repairs as claimed in claim 1 is characterized in that: each white light LEDs and each yellow light LED are integrated in respectively in the encapsulation monomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200762701U CN2938687Y (en) | 2006-08-07 | 2006-08-07 | Working circuit of vehicle repair light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200762701U CN2938687Y (en) | 2006-08-07 | 2006-08-07 | Working circuit of vehicle repair light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2938687Y true CN2938687Y (en) | 2007-08-22 |
Family
ID=38362716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200762701U Expired - Fee Related CN2938687Y (en) | 2006-08-07 | 2006-08-07 | Working circuit of vehicle repair light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2938687Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101877923A (en) * | 2009-04-29 | 2010-11-03 | 鸿富锦精密工业（深圳）有限公司 | Led drive circuit |
-
2006
- 2006-08-07 CN CNU2006200762701U patent/CN2938687Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101877923A (en) * | 2009-04-29 | 2010-11-03 | 鸿富锦精密工业（深圳）有限公司 | Led drive circuit |
| CN101877923B (en) * | 2009-04-29 | 2014-01-15 | 鸿富锦精密工业（深圳）有限公司 | Led drive circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070822 Termination date: 20110807 |