At 7:00 pm on April 18, many citizens ran to Chaotianmen Square to watch the Chaotianmen Bridge in the night scene.
It turned out that the Chaotianmen Bridge will carry out the last night lighting of the night scene, and today it will accept the mechanical and electrical engineering part of the bridge. Chen Jianyi, project director of China Railway Bridge Supervision Company, introduced that there are more than 6,000 lights in the whole bridge, and the main city portal bridge is dotted into the most beautiful bridge.
According to Chen Changqing, lighting designer of Xiamen Luqiao Landscape Art Company, the night lighting of Chaotianmen Bridge consists of three parts. Located on the main arch of the double arc of the bridge, the lower chord is a point light source, that is, a single circular luminaire. The main arch arc looks like the wings of a bird at night. In addition, full-color contour lights are added, mainly red, blue and green. The lights can run back and forth from the sides to the middle, from the middle to the sides, from one side to the other. The lights are shining like a rainbow on the river.
Secondly, the spotlights on the bridge deck and the lower deck use a line light source, that is, a strip of light bulbs that emit white light, highlighting the lateral lines of the bridge deck.
Finally, the narrow beam is located on the bars between the upper and lower chords of the main arch of the bridge and between the two decks, mainly to outline the bridge.
It is reported that according to the previous design, the Chaotianmen Bridge should be equipped with tens of thousands of lamps. Finally, considering the factors such as energy saving and emission reduction, the number of lamps is controlled to more than 6,000 在 under the premise of the same night scene effect. The bridge also uses a large number of high-performance LED energy-saving lamps, which can greatly reduce energy consumption. Open all the lights of the bridge, only 343 kW.
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Coreless Motor product introduction:
Coreless Motor, small size, light weight (cylinder) - radial rotation/weeks to rotation (flat) - low noise, low power consumption, strong sense of vibration - simple structure - reliability - response time short Micro Vibration Motor is mainly used in mobile phones, toys, adult health supplies, etc
Function: fast speed, suitable for aircraft model, electric toothbrush,USB fan and other products.
Characteristic: the volume is 6MM 7MM fast.
Features: small size, fast speed, dc high speed motor starting voltage 0.6v is not possible for other motors.Wear shaking head, strong vibration feeling.
Operating temperature range:
Coreless Motor should be used at a temperature of -10~60℃.
The figures stated in the catalog specifications are based on use at ordinary room temperature catalog specifications re based on use at ordinary room temperature (approximately20~25℃.
If a Coreless Motor is used outside the prescribed temperature range,the grease on the gearhead area will become unable to function normally and the motor will become unable to start.Depending on the temperature conditions ,it may be possible to deal with them by changing the grease of the motor's parts.Please feel free to consult with us about this.
Storage temperature range:
Coreless Motor should be stored ta a temperature of -15~65℃.
In case of storage outside this range,the grease on the gearhead area will become unable to function normally and the motor will become unable to start.
Service life:
The longevity of Coreless Motor is greatly affected by the load conditions , the mode of operation,the environment of use ,etc.Therefore,it is necessary to check the conditions under which the product will actually be used .The following conditions will have a negative effect on longevity.Please consult with us should any of them apply.â—Use with a load that exceeds the rated torque
â—Frequent starting
â—Momentary reversals of turning direction
â—Impact loads
â—Long-term continuous operation
â—Forced turning using the output shaft
â—Use in which the permitted overhang load or the permitted thrust load is exceeded
â—A pulse drive ,e.g.,a short break,counter electromotive force,PWM control
â—Use of a voltage that is nonstandard as regards the rated voltage
â—Use outside the prescribed temperature or relative-humidity range,or in a special environment.
â—Please consult with us about these or any other conditions of use that may apply,so that we can be sure that you select the most appropriate model.
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