Development toward the poles of high functionality and low cost
Be
7: Development direction of the LED headlamp
To freedom of light distribution characteristics of high functional and high attention to cost and energy efficiency of universal polarization (information provided by the German company Hella).
LED headlamp from a cost point of view, LS600h at around 500,000 yen, and recently dropped to less than half. But even if so, we want to spread in the ordinary model, the price is undoubtedly high. In the future, LED headlamps will spread to what extent?
In this regard, the German Hella (Hella) believes that the current market is moving in high functional and universal two-polarization luxury cars used. The generic company to senior SUV (sport utility vehicles) "Cadillac Escalade PlaTInum" supplied together with the high beam LED headlamp of the full LED (Figure 7). Cadillac Escalade for this use consists of five LED headlamp low beam LED assembly and the two high-beam assembly.
2 Hella product development, the high-functional "VarioLED" vision built around the lights change direction, function, and have not let glare to the driver of the vehicle hit the high beam function.
Be
Figure 8: The development direction of the headlamp
Practical use so far is to change the direction of the lamp according to the traveling direction "DBL", or automatically switched to a position of distance light vehicle "AHB", with or without forward according to the same direction according to the position to the front of the vehicle distance of the light level switching "ADB" etc., is expected in the future practical use is to be switched according to the front or to the position of the light distribution characteristics of the vehicle "AZB" providing the same information to (municipal light industry, by the names of the functional the company policy).
Among them, it may be necessary to prevent the driver of an oncoming vehicle produces glare function to do an introduction. 8, City Light Industrial recent trend of high functionality headlamps are summarized. First, the practical use of the vehicle turning direction is irradiated by swiveling the headlamp function (DBL in FIG. 8), and automatically switches the high beam lamp, a function of preventing the generation of glare to the driver of the vehicle ( AHB in FIG. 8).
Recently started is a practical vehicle speed and the presence or absence of the forward vehicle or the like, with the automatic switching from the high beam to the low beam lamp steplessly to maintain optimum irradiation state function (ADB 8 in FIG. ). This function has begun with some of the senior models in Germany. Further, the future practical use is expected in the high beam irradiation state is detected and the switching to the front with the light distribution characteristics close to the vehicle through the camera, where the light is irradiated outside the vehicle function (FIG. 8 the AZB). Hella is envisaged in this regard VarioLED prevent glare to the driver of the vehicle AZB function.
VarioLED not to a specific range of the irradiation light function is provided by rotation of the front LED be implemented protective cover. The protective cover may serve for the LED light flux shielding effect of the shielding plate, so that upon rotation of the shutter a shape change occurs.
Hella AZB been achieved considering the rotation function by the protective cover, but in addition may be as described in the beginning of the article as the A8, when the headlamp is constituted using a large number of LED, is irradiated only to the off position to the vehicle the LED, whereby the function can be achieved.
On the other hand, Hella also study called "EcoLED" the popularity of LED headlamps. Defining the high beam headlamps as a function of the same time, by reducing the number of LED used, reducing the cost and power consumption. The company is not as now envisaged by the high beam lamp LED assembly selectively used, but a LED assembly is achieved by switching the low beam lamp design.
And the estimated EcoLED Hella as to reduce the number of LED used LED headlamps will become the core to achieve cost reduction. If the brightness near the light to reach the minimum accepted 1000lm, now in order to achieve this value, from the point of view of an example of Toyota and Mitsubishi, it requires a minimum of three LED light sources. Prediction industry, the luminance of the LED light source 2012 with a two can be realized, but since 2014 only requires one. In this case, the cost dropped significantly than now, which ushered in universal LED headlamp period. Technology area
Molex interconnect solutions for durable medical I / O applications
AI + from the era of health care in the end how far?
Sino-US joint attack cancer cell DNA nanobots meritorious
AI win over 42 medical experts specialists will lose their jobs?
Chinese scholars with "heart-chip" first time on the top international journal "Science Robot
Our other product:
