CN111216594A - Charging indicator lamp system based on RGB-LED - Google Patents
Charging indicator lamp system based on RGB-LED Download PDFInfo
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- CN111216594A CN111216594A CN201811469644.XA CN201811469644A CN111216594A CN 111216594 A CN111216594 A CN 111216594A CN 201811469644 A CN201811469644 A CN 201811469644A CN 111216594 A CN111216594 A CN 111216594A
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- 239000003086 colorant Substances 0.000 claims abstract description 7
- 230000007704 transition Effects 0.000 claims description 5
- 230000004913 activation Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000035565 breathing frequency Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The invention discloses a charging indicator lamp system based on RGB-LED, which comprises an LED control unit, an LED driving unit and an RGB-LED charging indicator lamp; the LED control unit receives a charging state signal of the vehicle body and controls the display state of the RGB-LED charging indicator lamp; the LED driving unit controls the constant current output of the circuit, so that the driving efficiency of the LED is improved; the RGB-LED charging indicator light can display different colors for indicating different charging states. The invention is used for displaying when the automobile is charged, so that a user can observe the charging state conveniently, and quantitatively know the contained electric quantity, thereby judging the driving mileage of the automobile and providing an electric quantity data basis for the next trip planning. In addition, the lighting modes of the charging indicator lamp are rich and cool, the design trend of the intelligent automobile lamp of the future automobile is met, the experience effect of a user is greatly enhanced, and the charging indicator lamp has a wide application prospect.
Description
Technical Field
The invention relates to the technical field of intelligent lamps of new energy automobiles, in particular to a charging indicator lamp system based on RGB-LED.
Background
Due to the use of fuel automobiles, the air pollution is more serious, and the research on new energy automobiles is widely concerned by more and more automobile industries in order to respond to the national low-carbon and environment-friendly call. The charging process is an essential part of a new energy automobile, and besides the charging station and the matched industrial construction of the charging pile, the configuration of a charging indicator lamp has important significance for users to know the charging process of the automobile and make reasonable travel plans.
The charging indicator light system in the current market mainly relates to two charging states, namely charging or charging completion, but other possible states in the charging process are not distinguished and displayed, and the display color is monotonous, so that misunderstanding can be caused to a user. Therefore, the traditional design that the charger is plugged, namely the charging indication is easy to cause poor user experience, and the technological sense of the new energy automobile is greatly reduced. Therefore, the intelligent charging indicator lamp with good user experience is designed, so that the charging indicator lamp plays a vital role in knowing the charging state of the automobile for the user, the number of kilometers that the automobile can run can be judged, and reasonable planning is provided for the next trip of the user.
Disclosure of Invention
In view of the problems in the background art, the present invention provides a charging indicator lamp system based on RGB-LED, which aims to: different charging states can be indicated by setting different colors, so that a user can observe and know the charging state of the automobile in time.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a charging indicator lamp system based on RGB-LED comprises an LED control unit, an LED driving unit and an RGB-LED charging indicator lamp; the LED control unit receives a charging state signal of the vehicle body and controls the display state of the RGB-LED charging indicator lamp; the LED driving unit controls the constant current output of the circuit, so that the driving efficiency of the LED is improved; the RGB-LED charging indicator light can display different colors for indicating different charging states.
Preferably, an anti-reverse module is arranged at the front end of the LED control unit.
Further, the LED control unit adopts a four-channel intelligent high-side switch TPS4H 160-Q1; controlling the RGB-LED charging indicator lamp by utilizing three paths of equal-period PWM signals, and adjusting the lighting duration of the RGB-LED charging indicator lamp by adjusting the duty ratio of the three paths of PWM signals; the three paths of PWM signals respectively control the on and off of the RGB charging indicator lamps by controlling the on and off of TPS4H160-Q1 connected in the power supply loop of the RGB-LED indicator lamps.
Furthermore, the LED driving unit adopts a triode constant current driving circuit.
Further, the LED driving unit adopts a constant current driving chip to carry out an RGB-LED driving circuit.
Preferably, the LED driving unit drives the circuit by using a BCR402U chip, so that the constant current output of the circuit can be effectively controlled, and the driving efficiency of the RGB-LED charging indicator lamp is improved.
Further, the transition of the display states of the RGB-LED charging indicator lamps is variable and accurate, so that different charging states are indicated; when the RGB-LED charging indicator lamp displays continuous white light, the vehicle is in a non-charging state; the RGB-LED charging indicator lamp displays yellow light flicker to indicate the vehicle charging initialization state; when the RGB-LED charging indicator lamp displays blue light flicker, indicating the charging activation state of the vehicle; when the RGB-LED charging indicator lamp displays that the blue light continues, indicating that the charging is suspended; when the RGB-LED charging indicator lamp displays that the green light is continuous, indicating that the vehicle charging is finished; the RGB-LED charging indicator lamp displays red light flickering, and indicates the charging fault state of the vehicle.
Compared with the prior art, the invention has the following beneficial effects:
the charging indicator lamp system is used for displaying when the automobile is charged, so that a user can observe the charging state conveniently, and quantitatively knows the contained electric quantity, thereby judging the driving mileage of the automobile and providing an electric quantity data basis for next trip planning. In addition, the lighting modes of the charging indicator lamp are rich and cool, the design trend of the intelligent automobile lamp of the future automobile is met, the experience effect of a user is greatly enhanced, and the charging indicator lamp has a wide application prospect.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic block diagram of an RGB-LED based charge indicator lamp system according to the present invention.
Fig. 2 is a schematic circuit diagram of an RGB-LED based charge indicator lamp system according to the present invention.
Fig. 3 is a partially enlarged left side view of fig. 2.
Fig. 4 is a partially enlarged view of the right side of fig. 2.
Fig. 5 is a display diagram of the charging status of the RGB-LED based charging indicator lamp system according to the present invention.
Detailed Description
In order to make the purpose and function, implementation technical scheme and advantages of the embodiments of the present invention easily understood and appreciated, the present invention will be fully described in detail with reference to the accompanying drawings of the embodiments. It is obvious that the described embodiments are a part of the present invention, not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work are within the scope of the present invention.
Example (b):
as shown in FIG. 1, the invention discloses a charging indicator lamp system based on RGB-LED, comprising an LED control unit, an LED driving unit and an RGB-LED charging indicator lamp.
The LED control unit is used for receiving a charging state signal of the vehicle body, changing the light color, the brightness and the breathing frequency of the RGB-LED charging indicator lamp, realizing the control of the display of different charging states and effectively controlling the accuracy of the display state of the charging indicator lamp. The charging state signal is triggered by a specific event and is controlled by a CAN bus signal.
The LED driving unit controls the constant current output of the circuit, so that the driving efficiency of the LED is improved; the LED driving unit can be a triode constant current driving circuit, and a constant current driving chip can be adopted to design the REG-LED driving circuit.
The RGB-LED charging indicator lamp displays different colors and breathing frequency according to the control signal of the LED control unit, and the transition of the RGB-LED display state is variable and accurate, so that different charging states are indicated.
As shown in fig. 2, the LED control unit in this embodiment adopts a four-channel intelligent high-side switch TPS4H160-Q1, and a diode reverse-connection prevention module is provided at the front end; controlling the RGB-LED charging indicator lamp by utilizing three paths of equal-period PWM signals, and adjusting the lighting duration of the RGB-LED charging indicator lamp by adjusting the duty ratio of the three paths of PWM signals; the three paths of PWM signals respectively control the on and off of the RGB charging indicator lamps by controlling the on and off of TPS4H160-Q1 connected in the power supply loop of the RGB-LED indicator lamps.
The intelligent high-side switching technology based on TPS4H160-Q1 is adopted to intelligently control the load, so that RGB-LED can conveniently and quickly realize various color transformation, various lighting modes are realized, the accuracy and precision of the switching state are effectively improved, and the reliability of the whole system is improved. The RGB-LED display state transition of the circuit system is variable and accurate among the charging states, and the accuracy of the display state of the charging lamp is effectively controlled.
The LED driving unit adopts a BCR402U chip to design a driving circuit, so that the constant current output of the circuit can be effectively controlled, and the driving efficiency of the RGB-LED charging indicator lamp 3 is improved.
As shown in fig. 3, the RGB-LED charging indicator light unit in this embodiment displays different colors and breathing frequencies according to the on-off control signal of the LED control unit, so as to indicate different charging states, and the transition of the display states is variable and accurate. When the RGB-LED charging indicator lamp displays continuous white light, the vehicle is in a non-charging state; when the RGB-LED charging indicator lamp displays yellow light flickering, the vehicle charging initialization state is indicated; when the RGB-LED charging indicator lamp displays blue light flicker, indicating the charging activation state of the vehicle; when the RGB-LED charging indicator lamp displays that the blue light continues, indicating that the charging is suspended; when the RGB-LED charging indicator lamp displays that the green light is continuous, the vehicle charging is finished; when the RGB-LED charging indicator lamp displays red light flickering, the charging fault state of the vehicle is indicated.
The RGB-LED light source has the advantages of low power consumption, long service life, easy control and the like; the RGB-LED integrates three primary colors (red, green and blue) of light, can not only emit red, green and blue light rays independently, but also can be matched with any other color through light distribution, and can be used for fully indicating each charging state.
Claims (8)
1. An RGB-LED based charge indicator system, characterized by: the LED charging device comprises an LED control unit, an LED driving unit and an RGB-LED charging indicator lamp; the LED control unit receives a charging state signal of the vehicle body and controls the display state of the RGB-LED charging indicator lamp; the LED driving unit controls the constant current output of the circuit, so that the driving efficiency of the LED is improved; the RGB-LED charging indicator light can display different colors for indicating different charging states.
2. The charge indicator system of claim 1, wherein: and the front end of the LED control unit is provided with an anti-reverse connection module.
3. The charge indicator system of claim 1 or 2, wherein: the LED control unit adopts a four-channel intelligent high-side switch TPS4H 160-Q1; controlling the RGB-LED charging indicator lamp by utilizing three paths of equal-period PWM signals, and adjusting the lighting duration of the RGB-LED charging indicator lamp by adjusting the duty ratio of the three paths of PWM signals; the three paths of PWM signals respectively control the on and off of the RGB charging indicator lamps by controlling the on and off of TPS4H160-Q1 connected in the power supply loop of the RGB-LED indicator lamps.
4. The charge indicator system of claim 1, wherein: the LED driving unit adopts a triode constant current driving circuit.
5. The charge indicator system of claim 1, wherein: the LED driving unit adopts a constant current driving chip to carry out an RGB-LED driving circuit.
6. The charge indicator system of claim 5, wherein: the LED driving unit drives the circuit by using the BCR402U chip, so that the constant current output of the circuit can be effectively controlled, and the driving efficiency of the RGB-LED charging indicator lamp is improved.
7. The charge indicator system of claim 1, wherein: the RGB-LED charge indicator displays variable and accurate transitions of states, thereby indicating different states of charge.
8. The charge indicator system of claim 7, wherein: the RGB-LED charging indicator lamp displays continuous white light, and indicates that the vehicle is in a non-charging state; the RGB-LED charging indicator lamp displays yellow light flicker to indicate the vehicle charging initialization state; when the RGB-LED charging indicator lamp displays blue light flicker, indicating the charging activation state of the vehicle; when the RGB-LED charging indicator lamp displays that the blue light continues, indicating that the charging is suspended; when the RGB-LED charging indicator lamp displays that the green light is continuous, indicating that the vehicle charging is finished; the RGB-LED charging indicator lamp displays red light flickering, and indicates the charging fault state of the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811469644.XA CN111216594A (en) | 2018-11-26 | 2018-11-26 | Charging indicator lamp system based on RGB-LED |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811469644.XA CN111216594A (en) | 2018-11-26 | 2018-11-26 | Charging indicator lamp system based on RGB-LED |
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| CN111216594A true CN111216594A (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811469644.XA Withdrawn CN111216594A (en) | 2018-11-26 | 2018-11-26 | Charging indicator lamp system based on RGB-LED |
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| CN (1) | CN111216594A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721733A (en) * | 2021-02-05 | 2021-04-30 | 东风汽车集团股份有限公司 | Vehicle with multifunctional charging indicator lamp and control method |
| CN115388351A (en) * | 2022-08-08 | 2022-11-25 | 深圳市弘亮光电股份有限公司 | Be applied to charge indication logo lamp of new energy automobile |
-
2018
- 2018-11-26 CN CN201811469644.XA patent/CN111216594A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721733A (en) * | 2021-02-05 | 2021-04-30 | 东风汽车集团股份有限公司 | Vehicle with multifunctional charging indicator lamp and control method |
| CN115388351A (en) * | 2022-08-08 | 2022-11-25 | 深圳市弘亮光电股份有限公司 | Be applied to charge indication logo lamp of new energy automobile |
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Application publication date: 20200602 |