CN110996451A - Light modulation control device for ship cab light environment human factor engineering effect - Google Patents
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Abstract
The invention relates to a dimming control device for a ship cab light environment human factor engineering effect, which comprises a display, a photosensitive sensor, a dimming control box, dimming control equipment, a dimmable LED lighting system, a display and a light-emitting panel, wherein the output end of the photosensitive sensor is connected with the input end of the dimming control equipment, the input end of the dimmable LED lighting system is connected with the output end of the dimming control equipment, the input ends of the display and the light-emitting panel are connected with the output end of the dimming control equipment, and the output end of the dimming control box is connected with the input end of the dimming control equipment. The invention realizes the automatic or manual regulation of the brightness of the display, the light-emitting panel and the dimmable LED lighting system, provides the lighting condition self-adaptively coordinated with the external environment for the internal space of the cab, improves the physical and mental feeling of ship operation commanders and further ensures the ship navigation safety.
Description
Technical Field
The invention relates to the technical field of marine instruments and meters, in particular to a dimming control device for a ship cab light environment human factor engineering effect.
Background
With the development of digital electronic technology, equipment selected by a ship cab is changed from a traditional dispersed electromechanical indicator into a comprehensive integrated electronic display, and the cab can obtain massive information far exceeding the prior cab through deep processing of data information, so that the workload of ship operators is greatly reduced, and the ship operation efficiency is improved.
However, the brightness of the display and the operation panel arranged in the cab and the color temperature and the brightness of the lighting device embedded in the ceiling cannot be adjusted in real time according to the current illumination brightness of the cab at present, and the eyes frequently switch between strong light and weak light for a long time, so that the eyes are easily tired, the judgment and the operation are affected, and the crisis navigation safety is ensured.
Disclosure of Invention
In order to solve the technical problems, the invention provides a dimming control device for a ship cab light environment human factor engineering effect, which provides illumination adaptive to an external environment for an inner space of a cab, and the technical purpose of the invention is realized by the following technical scheme:
a dimming control device for ship cab light environment human factor engineering effect comprises a display, photosensitive sensors, a dimming control box, dimming control equipment, a dimmable LED lighting system, a display and a light-emitting panel, wherein the 3 photosensitive sensors are uniformly distributed on two sides and the middle position of an operating platform, the output end of each photosensitive sensor is connected with the input end of the dimming control equipment, the input end of the dimmable LED lighting system is connected with the output end of the dimming control equipment, the input ends of the display and the light-emitting panel are connected with the output end of the dimming control equipment, and the output end of the dimming control box is connected with the input end of the dimming control equipment; the display comprises a left display, a right display and a middle display; the light-emitting panel comprises a left light-emitting panel, a right light-emitting panel and a middle light-emitting panel.
Furthermore, be equipped with left knob, right knob and well knob of adjusting luminance on the control box of adjusting luminance, left knob, right knob, well knob of adjusting luminance are through adjusting luminance controlgear respectively left display and left luminescent panel, right display and right luminescent panel, well display and right luminescent panel send the instruction, and display and luminescent panel receive the instruction that control device of adjusting luminance sent and show luminance.
Furthermore, the dimming control box is also provided with a dimming mode operation switch for automatic dimming and manual dimming switching.
Further, when dimming is performed automatically, the dimming control device receives an output voltage signal of the photosensitive sensor, converts the voltage signal into a digital signal according to an internal dimming curve, and sends the digital signal to the dimmable LED lighting system, the corresponding display and the corresponding light-emitting panel through a serial port.
Further, during manual dimming, the dimming control device receives analog voltage signals output by the left dimming knob, the right dimming knob or the middle dimming knob, converts the voltage signals into digital signals according to the internal dimming curve, and sends the digital signals to corresponding display light-emitting panels.
Furthermore, the dimmable LED lighting system comprises a communication conversion control module, a control panel, a power supply control module and two groups of LED light sources with different color temperatures.
Furthermore, after receiving an instruction from the dimming control device, the communication conversion control module respectively controls the brightness of the two groups of LED light sources with different color temperatures.
Further, when the communication conversion control module does not receive the instruction from the dimming control device, the communication conversion control module generates a weather and time information combination code instruction according to the local weather and the local time zone every other period, and the communication conversion control module converts the weather and time combination code instruction into two groups of PWM signals to respectively control the brightness of two groups of LED light sources with different color temperatures.
Furthermore, the communication conversion control module sends the weather and time combined code to the dimming control unit through the serial port, and the dimming control unit converts and analyzes the weather and time combined code into two groups of PWM signals.
Furthermore, the dimming control box is also provided with a dimming 1 voltage adjusting knob and a dimming 2 voltage adjusting knob, the dimming 1 voltage adjusting knob and the dimming 2 voltage adjusting knob respectively control and output analog voltage signals, and the dimming control equipment can output 2 paths of 0-24V direct current adjustable voltage after receiving the analog voltage signals.
The dimming control device for the ship cab light environment human-induced engineering effect has the advantages that the dimming control device for the ship cab light environment human-induced engineering effect can automatically or manually adjust the brightness of the display and the control panel by detecting the intensity of light in the cab, automatically or manually adjust the brightness and the color temperature of the dimmable LED lighting system, improve the ship cab light pollution environment, accord with the human-induced engineering effect principle, improve the physical and mental feeling of ship operation commanders, and further guarantee the ship navigation safety.
Drawings
Fig. 1 is a schematic diagram of the connection of the present invention.
Fig. 2 is a diagram of a photosensor profile of the present invention.
Fig. 3 is a flow chart of the operation of the dimming control device of the present invention.
Fig. 4 is a block diagram of a dimmable LED lighting system of the present invention.
In the figure, 1, a photosensitive sensor.
Detailed Description
The technical solution of the present invention is further described below with reference to specific embodiments:
as shown in fig. 1-4, a dimming control device for a ship cab light environment human factor engineering effect comprises 3 photosensitive sensors, a dimming control box and a dimmable LED lighting system, wherein output ends of the 3 photosensitive sensors are respectively connected to an input end of a dimming control device, an input end of the dimmable LED lighting system is connected to an output end of the dimming control device, and a display comprises a left display, a right display and a middle display; the light-emitting panel comprises a left light-emitting panel, a right light-emitting panel and a middle light-emitting panel; display and luminescent panel all set up on the operation panel, and left display and left luminescent panel set up in the operation panel left side, and right display and right luminescent panel set up on the operation panel right side, and well display and well luminescent panel set up in the operation panel middle part. The input ends of the display and the light-emitting panel are connected with the output end of the dimming control device, and the output end of the dimming control box is connected with the input end of the dimming control device, as shown in fig. 1. The 3 photosensors 1 are installed at the left, right, and middle regions of the console, respectively, as shown in fig. 2. The dimmable LED lighting system comprises a communication conversion control module, a control panel, a power supply control module and two groups of LED light sources with different color temperatures, the dimmable LED lighting system is powered, the communication conversion control module is connected with a communication interface of the dimming control device, and the control panel is only used for manually selecting and switching lighting scenes.
The dimming control box is also provided with a left dimming knob, a right dimming knob, a middle dimming knob, a dimming 1 voltage adjusting knob, a dimming 2 voltage adjusting knob and a dimming mode operation switch. The manual dimming mode or the automatic dimming mode can be selected by operating the dimming mode switch; in the manual dimming mode, the left dimming knob, the right dimming knob and the middle dimming knob are adjusted to respectively adjust the brightness of the left display and the left light-emitting panel, the brightness of the right display and the right light-emitting panel, and the brightness of the middle display and the middle light-emitting panel; when the automatic mode, adjust luminance and control the box and adjust luminance according to the illumination environment is automatic.
The dimming control box is also provided with a dimming 1 voltage adjusting knob and a dimming 2 voltage adjusting knob, the dimming 1 voltage adjusting knob and the dimming 2 voltage adjusting knob respectively output analog voltage signals, and respectively control and output 1-path 0-24V direct current adjustable voltage through a voltage conversion circuit, so that the dimming control box can be used for manual dimming control of other extension equipment.
Further, as shown in fig. 3, in the manual dimming mode, the dimming control device receives the analog voltage signal output from the dimming control box, selects the dimming curve through an algorithm in the computer, converts the dimming curve into a digital value, and sends the digital value to the display and the light emitting panel through the RS-422 serial port; the analog voltage signal is realized by operating the left light adjusting knob, the right light adjusting knob or the middle light adjusting knob, namely, the left light adjusting knob is adjusted to control the brightness of the left display and the left light emitting panel, the right light adjusting knob is adjusted to control the brightness of the right display and the right light emitting panel, and the middle light adjusting knob is adjusted to control the brightness of the middle display and the middle light emitting panel. The display and the light-emitting panel receive a serial port message sent by the dimming control device through a pre-programmed serial port dimming protocol, and the brightness of the display and the light-emitting panel is adjusted according to an instruction of the dimming control device.
In the automatic dimming mode, the photosensitive sensor senses the surrounding illumination environment of the driving console, the dimming control equipment receives the output voltage of the photosensitive sensor, selects a dimming curve through an internal algorithm of a computer, converts the dimming curve into digital quantity and sends the digital quantity to the display, the light-emitting panel and the dimmable LED lighting system through the RS-422 serial port.
The horizontal coordinate of a built-in dimming curve selected by the dimming control equipment is the output voltage X of the photosensitive sensor, and the unit is mV; the ordinate is the luminance value Y in cd for the display light-emitting panel and the dimmable LED lighting system. The curve is drawn according to human factors engineering and use feedback of research clients after collecting sensor data for multiple times. Y ═ KX + D, where K is a constant and D is a variable. The brightness value Y1 of the light-emitting panel of the display and the LED lighting system can be calculated according to the output voltage value X1 of the photosensitive sensor under the current brightness, and the dimming control message of the light-emitting device can be generated according to the dimming control protocol of the light-emitting device and converted into a dimming control signal to act on the corresponding light-emitting device.
In the automatic adjustment mode, as shown in fig. 4, when the communication conversion control module does not receive the control command sent from the dimming control device, it generates a weather and time information combination code command according to the local weather and the local time zone at regular intervals, for example, once every 15 minutes, and converts the weather and time information combination code command into two sets of PWM signals through the internal dimming control unit, where the two sets of PWM signals respectively control the brightness of one set of LED light sources, and finally, the two sets of LED light sources with different color temperatures are mixed to realize the brightness adjustment and color temperature adjustment functions. The dimming control unit is provided with a RS232 serial port and can be used for receiving information combination codes of weather and time, the codes are identified by the dimming control unit and then analyzed into corresponding dimming instructions to be sent to the corresponding LED light sources, and finally the dimming driving module executes the dimming instructions to finish dimming. If the communication conversion control module receives the control instruction sent from the dimming control device, the instruction is immediately set to be higher priority, and the LED lighting system is controlled to respond.
The format of the weather and time information combination code instruction sent by the communication conversion control module of the dimmable LED lighting system is 'weather' + '24-hour local time', wherein the weather is divided into sunny weather (00H), rainy and snowy weather (01H), cloudy weather (02H) and severe weather (04H), and the weather information is acquired from the ship meteorological instrument equipment through a network. For example, "0118H" is weather in rain and snow, and the time is 18 points, the microprocessor of the dimming control unit of the dimmable LED lighting system reads the acquired weather and time information to form a corresponding PWM signal, and finally the dimming driving module controls the brightness and color temperature of the LED lighting system.
The present invention is further explained and not limited by the embodiments, and those skilled in the art can make various modifications as necessary after reading the present specification, but all the embodiments are protected by the patent law within the scope of the claims.
Claims (10)
1. The dimming control device is characterized by structurally comprising photosensitive sensors, a dimming control box, dimming control equipment and a dimmable LED lighting system, wherein the photosensitive sensors are uniformly distributed on two sides and the middle position of a driving console, the output ends of the photosensitive sensors are connected with the input end of the dimming control equipment, the input end of the dimmable LED lighting system is connected with the output end of the dimming control equipment, and the output end of the dimming control box is connected with the input end of the dimming control equipment.
2. The dimming control device for the ship cab light environment human factor engineering effect according to claim 1, wherein a left dimming knob, a right dimming knob and a middle dimming knob are arranged on the dimming control box, and the left dimming knob, the right dimming knob and the middle dimming knob respectively send instructions through a dimming control device.
3. A dimming control device for ship cab light environment ergonomics effect according to claim 1, wherein the dimming control box is further provided with a dimming mode operation switch for switching between automatic dimming and manual dimming.
4. The dimming control device according to claim 3, wherein when dimming automatically, the dimming control device receives the output voltage signal of the photosensor, converts the voltage signal into a digital signal according to the internal dimming curve, and sends the digital signal to the dimmable LED lighting system through the serial port.
5. The device as claimed in claim 3, wherein the dimming control device receives analog voltage signals output by the left dimming knob, the right dimming knob or the middle dimming knob during manual dimming, and the dimming control device converts the voltage signals into digital signals according to the internal dimming curve and sends the digital signals.
6. The dimming control device according to claim 1, wherein the dimmable LED lighting system comprises a communication conversion control module, a control panel, a power control module, two sets of LED light sources with different color temperatures.
7. The dimming control device for the ergonomic effect of the light environment of the ship cab according to claim 6, wherein the communication conversion control module receives the command from the dimming control device and controls the brightness of the two sets of LED light sources with different color temperatures respectively.
8. The dimming control device according to claim 6, wherein when the communication conversion control module does not receive the command from the dimming control device, the communication conversion control module generates a weather and time information combination code command according to the local weather and the local time zone every other period, and the communication conversion control module converts the weather and time combination code command into two sets of PWM signals to control the brightness of the two sets of LED light sources with different color temperatures respectively.
9. The dimming control device according to claim 8, wherein the communication conversion control module sends the combined code of the weather and the time to the dimming control unit through a serial port, and the combined code of the weather and the time is converted and analyzed into two sets of PWM signals through the dimming control unit.
10. The dimming control device for the ship cab light environment human factor engineering effect according to claim 1, wherein the dimming control box is further provided with a dimming 1 voltage adjusting knob and a dimming 2 voltage adjusting knob, the dimming 1 voltage adjusting knob and the dimming 2 voltage adjusting knob respectively control and output an analog voltage signal, and the dimming control device receives the analog voltage signal and then can output 2 paths of 0-24V direct current adjustable voltage.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113264153A (en) * | 2021-06-25 | 2021-08-17 | 中国舰船研究设计中心 | System for reducing intense light environmental pollution of ship cab |
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