CN206517632U - A kind of battery case controller of control lamp string - Google Patents
A kind of battery case controller of control lamp string Download PDFInfo
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- CN206517632U CN206517632U CN201621392410.6U CN201621392410U CN206517632U CN 206517632 U CN206517632 U CN 206517632U CN 201621392410 U CN201621392410 U CN 201621392410U CN 206517632 U CN206517632 U CN 206517632U
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a kind of battery case controller of control lamp string, including battery, MCU control circuit, LED string, booster circuit and H-bridge circuit, first output end of the battery connects MCU control circuit to provide operating voltage to MCU control circuit, second output end of the battery connects the first input end of booster circuit, the output end of the booster circuit connects the first input end of H-bridge circuit, first output end of the MCU control circuit connects the second input of booster circuit, second output end of the MCU control circuit connects the second input of H-bridge circuit, the output end connection LED string of the H-bridge circuit, the LED string includes at least one set of LED light group, every group of LED light group includes the antiparallel first sub- LED string and the second sub- LED string.A kind of battery case controller of control lamp string, every group of LED light group is using two inverse parallels connections, and improving lamp string causes the problem of first taillight brightness differs, cost reduction, more for practicality because of pressure drop.
Description
Technical field
The utility model is related to battery case field, more particularly to a kind of battery case controller of control lamp string.
Background technology
Existing battery case controller is all to use batteries to single-chip microcomputer to power, then the direct output control LED of single-chip microcomputer
Lamp, because cell voltage is than relatively low, general battery case is all three section 1.5V battery composition, supplies single-chip microcomputer voltage 4.5V, that
The voltage highest of single-chip microcomputer output only has 4.5V, and a normal operating voltage of LED is 3V, two normal works of LED
It is 6V as voltage, it is clear that the LED that to be supplied to operating voltage with 4.5V voltage be 6V is not bright enough, so general battery case
Lamp string be all a LED positive-negative connected to make LED brighter, but due to being influenceed by the get lines crossed impedance on road of lamp, head and the tail lamp
The virtual voltage difference of string is larger, makes the brightness of head and the tail lamp string inconsistent, also has solution head and the tail lamp cross luma degree currently on the market not
Consistent scheme, exactly draws two control lines to lamp string afterbody, reduces lamp string afterbody and lamp string again from single-chip microcomputer output pin
The voltage difference on head, or directly increase lamp are being got lines crossed the diameter on road, and so obvious cost is high, efficiency is low.
Utility model content
In order to solve the above-mentioned technical problem, to be to provide a kind of cost low for the purpose of this utility model, and head and the tail lamp is realized in control
The consistent battery case controller of cross luma degree.
The technical scheme that the utility model is used is：A kind of battery case controller of control lamp string, including battery, MCU
Circuit, LED string, booster circuit and H-bridge circuit are controlled, the first output end of the battery connects MCU control circuit with to MCU
Circuit is controlled to provide operating voltage, the second output end of the battery connects the first input end of booster circuit, the boosting electricity
The output end on road connects the first input end of H-bridge circuit, and the of the first output end connection booster circuit of the MCU control circuit
Two inputs, the second output end of the MCU control circuit connects the second input of H-bridge circuit, the output of the H-bridge circuit
End connection LED string, the LED string includes at least one set of LED light group, and every group of LED light group includes the antiparallel first sub- LED
Lamp string and the second sub- LED string.
Further, the booster circuit includes the first inductance, the first diode, the 3rd triode, the first electric capacity, the 4th
Resistance, the 9th resistance and the tenth resistance, one end of first inductance connect the positive pole of battery, and the negative pole of the battery is grounded,
The other end of first inductance connects the anode of the first diode and the colelctor electrode of the 3rd triode, the one or two pole respectively
The negative electrode of pipe connects one end of the 9th resistance, and the other end of the 9th resistance is by the tenth resistance eutral grounding, first electric capacity
One end connect the emitter stage of the 3rd triode, the other end of first electric capacity connects the negative electrode and H of the first diode respectively
Bridge circuit, the base stage of the 3rd triode connects MCU control circuit, the emitter stage of the 3rd triode by the 4th resistance
Ground connection.
Further, the 3rd triode is NPN triode.
Further, the MCU control circuit includes MCU control chips, and the MCU control chips are XY271A monolithics
Machine.
Further, the H-bridge circuit include the first triode, the second triode, the 4th triode, the 5th triode,
First resistor, second resistance, the 6th resistance and the 7th resistance, the transmitting of the emitter stage and the second triode of first triode
Pole is all connected with the output end of the booster circuit, and the base stage of first triode connects the second triode by the 6th resistance
Colelctor electrode, second transistor base connects the colelctor electrode of the first triode by the 7th resistance, first triode
Colelctor electrode connects the colelctor electrode of the 4th triode, and the colelctor electrode of second triode connects the colelctor electrode of the 5th triode, institute
State the base stage of the 4th triode and the base stage of the 5th triode connects the MCU by first resistor and second resistance respectively and controlled
Two output ends of circuit, the grounded emitter of the 4th triode, the grounded emitter of the 5th triode is described
The two ends of LED string connect the colelctor electrode of the 4th triode and the colelctor electrode of the 5th triode respectively.
Further, first triode and the second triode are PNP triodes, the 4th triode and the five or three
Pole pipe is NPN triode.
The beneficial effects of the utility model are：
A kind of battery case controller of control lamp string, every group of LED light group is using two inverse parallels connections, with reference to booster circuit
And H-bridge circuit, improving lamp string causes the problem of first taillight brightness differs, cost reduction, more for practicality because of pressure drop.
Brief description of the drawings
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
Fig. 1 is a kind of theory diagram of the battery case controller of control lamp string of the utility model；
Fig. 2 is a kind of circuit diagram of the battery case controller of control lamp string of the utility model.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.
Fig. 1 is a kind of theory diagram of the battery case controller of control lamp string of the utility model, as shown in figure 1, a kind of control
The battery case controller of lamp string processed, including battery, MCU control circuit, LED string, booster circuit and H-bridge circuit, the of battery
One output end connects MCU control circuit to provide operating voltage, the second output end connection boosting electricity of battery to MCU control circuit
Voltage after boosting is supplied to H bridges by the first input end on road, the first input end of the output end connection H-bridge circuit of booster circuit
Circuit, the first output end of MCU control circuit connects the second input of booster circuit, and MCU control circuit is carried to booster circuit
For boost signal, the second output end of MCU control circuit connects the second input of H-bridge circuit, the output end connection LED of H bridges
Lamp string, MCU control circuit to H-bridge circuit by providing control signal and then lightening LED lamp string.
Fig. 2 is a kind of circuit diagram of the battery case controller of control lamp string of the utility model, as shown in Fig. 2 a kind of control
The battery case controller of lamp string, including battery BT1, booster circuit 2, MCU control circuit 3, H-bridge circuit 4 and LED string 5, wherein
MCU control circuit 3 includes MCU control chip U1, and it is XY271A monolithics that the present embodiment MCU control chips U1, which is preferred to use model,
Machine.
Booster circuit includes the first inductance L1, the first diode D1, the 3rd triode Q3, the first electric capacity C1, the 4th resistance
R4, the 9th resistance R9 and the tenth resistance R10, wherein the 3rd triode Q3 is NPN triode.First inductance L1 one end connection electricity
Pond BT1 positive pole, battery BT1 negative pole ground connection, the first inductance L1 other end connect respectively the first diode D1 anode and
3rd triode Q3 colelctor electrode, the first diode D1 negative electrode connects the 9th resistance R9 one end, and the 9th resistance R9's is another
End is by the tenth resistance R10 ground connection, and the first electric capacity C1 one end connects the 3rd triode Q3 emitter stage, and the first electric capacity C1's is another
One end connects the negative electrode and H-bridge circuit 2 of the first diode respectively, and the 3rd triode Q3 base stage passes through the 4th resistance R4 connections
MCU control circuit 3, the 3rd triode Q3 grounded emitter.
H-bridge circuit includes the first triode Q1, the second triode Q2, the 4th triode Q4, the 5th triode Q5, the first electricity
R1, second resistance R2, the 6th resistance R6 and the 7th resistance R7 are hindered, wherein, the first triode Q1 and the second triode Q2 are PNP tri-
Pole pipe, the 4th triode Q4 and the 5th triode Q5 are NPN triodes.First triode Q1 emitter stage and the second triode Q2
Emitter stage be all connected with the output end of booster circuit 2, be attached to the connecting node between the first electric capacity C1 and the 9th resistance R9,
First triode Q1 base stage is passed through by the 6th resistance R6 the second triodes of connection Q2 colelctor electrode, the second triode Q2 base stages
7th resistance R7 the first triodes of connection Q1 colelctor electrode, the first triode Q1 colelctor electrode connects the 4th triode Q4 current collection
Pole, the second triode Q2 colelctor electrode connects the 5th triode Q5 colelctor electrode, the 4th triode Q4 base stage and the five or three pole
Pipe Q5 base stage passes through first resistor R1 and two output pins of second resistance R2 connection MCU control chips, the four or three respectively
Pole pipe Q4 grounded emitter, the 5th triode Q5 grounded emitter, the two ends of LED string 5 connect the 4th triode respectively
The colelctor electrode of Q4 colelctor electrode and the 5th triode Q5.LED string includes at least one set of LED light group, and every group of LED light group includes anti-
The first sub- sub- LED string LED2 of LED string LED1 and second in parallel.
The battery case controller course of work of the present embodiment is as follows：
A kind of battery case controller of control lamp string, 3 section 1.5V batteries are loaded onto to battery case, are obtained the supply of 4.5V voltages and are risen
Volt circuit 2,4.5V voltages obtain 3.8V voltages by the first diode D1 in booster circuit 2, the first electric capacity C1 rectifications, this
When, MCU control chips pin 4 exports a high level to the 3rd triode Q3, and the 3rd triode Q3 conductings, electric current passes through first
Inductance L1 and the 3rd triode Q3 is to ground, and MCU control chip output ends PB7 export low level to the 3rd triode Q3, and the three or three
Pole pipe Q3 ends, now, and the energy of the first inductance L1 storages again passes by D1, is added on the first electric capacity C1, so the first electricity
Hold the voltage V that C1 is obtainedC=3.8V+ Δs V (Δ V is the voltage being superimposed on the first electric capacity C1), the voltage Δ V of superposition is by controlling
3rd triode Q3 switching frequency is determined, MCU control chip output ends PB7 can be set to export low and high level according to actual needs
Frequency so that control superimposed voltage Δ V.
Final voltage V1 supplies H-bridge circuit is obtained after booster circuit 2, MCU control chip output ends PA4 exports one
High level turns on the 4th triode Q4, and low level is provided to the two or three pole by the 7th resistance R7 after the 4th triode Q4 conductings
Pipe Q2, the second triode Q2 conducting, voltage V1 flow through reversal connection LED (i.e. LED1, LED3 ... after the second triode Q2
LED15) return the 4th triode Q4 to form loop, now, the LED of reversal connection is all lit.
The 5th triode Q5 is turned on when MCU control chip output ends PA3 exports a high level, the 5th triode Q5 conductings
There is provided low level by the 6th resistance R6 afterwards to turn on to the first triode Q1, the first triode Q1, voltage V1 passes through the one or three pole
Normal solution LED (i.e. LED2, LED4 ... LED14) is flowed through after pipe Q1 return the 5th triode Q5 and form loop on earth, now
The LED just connect is all lit.
A kind of battery case controller of control lamp string, every group of LED light group is using two inverse parallels connections, with reference to booster circuit
And H-bridge circuit, improving lamp string causes the problem of first taillight brightness differs, cost reduction, more for practicality because of pressure drop.
Above is preferable implementation of the present utility model is illustrated, but the invention is not limited to the reality
Example is applied, those skilled in the art can also make a variety of equivalent variations on the premise of without prejudice to the utility model spirit
Or replace, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (6)
1. a kind of battery case controller of control lamp string, it is characterised in that including battery, MCU control circuit, LED string, boosting
Circuit and H-bridge circuit, the first output end of the battery connect MCU control circuit to provide operating voltage to MCU control circuit,
Second output end of the battery connects the first input end of booster circuit, the output end connection H-bridge circuit of the booster circuit
First input end, the first output end of the MCU control circuit connects the second input of booster circuit, the MCU controls
Second output end of circuit connects the second input of H-bridge circuit, and the output end connection LED string of the H-bridge circuit is described
LED string includes at least one set of LED light group, and every group of LED light group includes the antiparallel first sub- LED string and the second sub- LED
String.
2. a kind of battery case controller of control lamp string according to claim 1, it is characterised in that the booster circuit bag
Include the first inductance, the first diode, the 3rd triode, the first electric capacity, the 4th resistance, the 9th resistance and the tenth resistance, described
One end of one inductance connects the positive pole of battery, the negative pole ground connection of the battery, and the other end of first inductance connects the respectively
The colelctor electrode of the anode of one diode and the 3rd triode, the negative electrode of first diode connects one end of the 9th resistance, institute
The other end of the 9th resistance is stated by the tenth resistance eutral grounding, one end of first electric capacity connects the emitter stage of the 3rd triode,
The other end of first electric capacity connects the negative electrode and H-bridge circuit of the first diode respectively, and the base stage of the 3rd triode is led to
Cross the 4th resistance connection MCU control circuit, the grounded emitter of the 3rd triode.
3. a kind of battery case controller of control lamp string according to claim 2, it is characterised in that the 3rd triode
It is NPN triode.
4. a kind of battery case controller of control lamp string according to claim 1, it is characterised in that the MCU controls electricity
Road includes MCU control chips, and the MCU control chips are XY271A single-chip microcomputers.
5. a kind of battery case controller of control lamp string according to claim 1, it is characterised in that the H-bridge circuit bag
Include the first triode, the second triode, the 4th triode, the 5th triode, first resistor, second resistance, the 6th resistance and
Seven resistance, the emitter stage of first triode and the emitter stage of the second triode are all connected with the output end of the booster circuit,
The base stage of first triode connects the colelctor electrode of the second triode by the 6th resistance, and second transistor base passes through
7th resistance connects the colelctor electrode of the first triode, and the colelctor electrode of first triode connects the colelctor electrode of the 4th triode,
The colelctor electrode of second triode connects the colelctor electrode of the 5th triode, the base stage and the 5th triode of the 4th triode
Base stage pass through two output ends that first resistor and second resistance connect the MCU control circuit, the four or three pole respectively
The grounded emitter of pipe, the grounded emitter of the 5th triode, the two ends of the LED string connect the 4th triode respectively
Colelctor electrode and the 5th triode colelctor electrode.
6. a kind of battery case controller of control lamp string according to claim 5, it is characterised in that first triode
It is PNP triode with the second triode, the 4th triode and the 5th triode are NPN triodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621392410.6U CN206517632U (en) | 2016-12-16 | 2016-12-16 | A kind of battery case controller of control lamp string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621392410.6U CN206517632U (en) | 2016-12-16 | 2016-12-16 | A kind of battery case controller of control lamp string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206517632U true CN206517632U (en) | 2017-09-22 |
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ID=59862095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621392410.6U Active CN206517632U (en) | 2016-12-16 | 2016-12-16 | A kind of battery case controller of control lamp string |
Country Status (1)
| Country | Link |
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| CN (1) | CN206517632U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108325079A (en) * | 2018-01-31 | 2018-07-27 | 广州大学 | A kind of alleviation dysmenorrhoea device and therapeutic equipment |
| CN109330548A (en) * | 2018-10-31 | 2019-02-15 | 浙江优亿医疗器械有限公司 | The red white light source control switching circuit of endoscopic visualization |
-
2016
- 2016-12-16 CN CN201621392410.6U patent/CN206517632U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108325079A (en) * | 2018-01-31 | 2018-07-27 | 广州大学 | A kind of alleviation dysmenorrhoea device and therapeutic equipment |
| CN109330548A (en) * | 2018-10-31 | 2019-02-15 | 浙江优亿医疗器械有限公司 | The red white light source control switching circuit of endoscopic visualization |
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