Method and system for designing lighting installations

• US 5,521,853 A
• Filed: 05/22/1995
• Issued: 05/28/1996
• Est. Priority Date: 10/29/1993
• Status: Expired due to Fees

• Current Assignee: Holophane Lighting Incorporated
• Original Assignee: Holophane Lighting Incorporated
• Inventors: Hibbs, John D., Stang, Douglas J.
• Primary Examiner(s): Voeltz, Emanuel T.
• Assistant Examiner(s): Shah, Kamini S.
• Application Number:
  US08/445,668
• Time in Patent Office: 372 Days
• Field of Search: 364/512, 364/525, 364/550, 364/578, 356/395, 356/375, 356/390, 356/121, 356/122, 356/222, 356/219, 395/118-121, 395/126
• US Class Current: 703/1
• CPC Class Codes: H05B 39/042 by measuring the incident light
• CPC Class Codes: H05B 47/10 Controlling the light source
• CPC Class Codes: Y02B 20/00 Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Abstract

A method and system for designing a lighting installation. The system includes a processor for executing the method, which includes generating lighting area input data signals based on selected parameters associated with a lighting area, and generating luminaire input data signals based on selected parameters associated with a luminaire. The method also includes processing the lighting area input data signals to obtain a lighting area factor, and processing the luminaire input data signals to obtain a photometry factor. The method also includes processing the lighting area factor and the photometry factor to determine a light level value in the lighting area, and generating a light level output signal based on the light level value determined. The system and method further include a system and method for manipulating data three-dimensionally in a spatial view on a video monitor.

Claims

1. A method for use in designing a lighting installation, the method for use with a computer having a processor, a data acquisition device, a monitor and a memory, the method comprising:

generating via the data acquisition device lighting area input data signals based on selected parameters associated with a lighting area;

generating via the data acquisition device luminaire input data signals based on selected parameters associated with the plurality of luminaires;

storing in the memory of the computer lighting area input data and luminaire input data based on the lighting area input data signals and the luminaire input data signals;

determining via the processor a lighting area factor and a photometry factor based on the lighting area input data and the luminaire input data;

determining via the processor a light level value in the lighting area based on the lighting area factor and the photometry factor;

storing in the memory of the computer light level value data corresponding to the determined light level value in the lighting area;

converting the light level value data to graphic data; and

displaying the graphic data on the monitor.

2. The method of claim 1 wherein generating lighting area input data signals comprises:

defining a lighting area boundary; and

defining a light level analysis plane.

3. The method of claim 2 wherein generating lighting area input data signals further comprises:

defining a reflective surface; and

selecting a reflectance value for the reflective surface.

4. The method of claim 2 wherein generating lighting area input data signals further comprises selecting a plurality of light level analysis points on the light level analysis plane.

5. The method of claim 2 wherein defining a light level analysis plane comprises:

displaying a spatial view of the lighting area on the computer monitor, the spatial view including a first locator having first and second display units defining a first display location;

transforming via the processor the first and second display units of the first locator to first, second and third spatial coordinates defining a first spatial location of the first locator, the third spatial coordinate being assigned a constant value such that the first locator is capable of movement on the monitor in a fixed spatial plane defined by the third spatial coordinate;

selecting via the data acquisition device a variable fourth spatial coordinate;

transforming via the processor the first, second and fourth spatial coordinates defining a second spatial location to third and fourth display units defining a second display location; and

displaying a second locator on the computer monitor at the second display location, the second locator capable of movement on the monitor in a variable spatial plane defined by the fourth spatial coordinate and corresponding to movement on the monitor of the first locator in the fixed spatial plane.

6. The method of claim 3 wherein defining a reflective surface comprises:

displaying a spatial view of the lighting area on the computer monitor, the spatial view including a first locator having first and second display units defining a first display location;

transforming via the processor the first and second display units of the first locator to first, second and third spatial coordinates defining a first spatial location of the first locator, the third spatial coordinate being assigned a constant value such that the first locator is capable of movement on the monitor in a fixed spatial plane defined by the third spatial coordinate;

selecting via the data acquisition device a variable fourth spatial coordinate;

transforming via the processor the first, second and fourth spatial coordinates defining a second spatial location to third and fourth display units defining a second display location; and

displaying on the computer monitor a second locator at the second display location, the second locator capable of movement on the monitor in a variable spatial plane defined by the fourth spatial coordinate and corresponding to movement on the monitor of the first locator in the fixed spatial plane.

7. The method of claim 3 wherein defining a reflective surface comprises:

selecting an interpretation value to define an obstruction based on a desired obstruction shape and orientation; and

selecting a plurality of obstruction coordinates.

8. The method of claim 3 wherein generating lighting area input data signals further comprises selecting a plurality of reflectance panels in the reflective surface, each reflectance panel represented by a reflectance point and having a reflectance value equal to the reflectance value selected for the reflective surface.

9. The method of claim 4 wherein selecting a plurality of light level analysis points comprises:

selecting a distance between adjacent light level analysis points; and

selecting an orientation for a light level determination at the light level analysis points.

10. The method of claim 7 wherein selecting a plurality of obstruction coordinates comprises:

displaying on the computer monitor a spatial view of the lighting area, the spatial view including a first locator having first and second display units defining a first display location;

transforming via the processor the first and second display units of the first locator to first, second and third spatial coordinates defining a first spatial location of the first locator, the third spatial coordinate being assigned a constant value such that the first locator is capable of movement on the monitor in a fixed spatial plane defined by the third spatial coordinate;

selecting via the data acquisition device a variable fourth spatial coordinate;

transforming via the processor the first, second and fourth spatial coordinates defining a second spatial location to third and fourth display units defining a second display location; and

displaying on the computer monitor a second locator at the second display location, the second locator capable of movement on the monitor in a variable spatial plane defined by the fourth spatial coordinate and corresponding to movement on the monitor of the first locator in the fixed spatial plane.

11. The method of claim 8 wherein the number of reflectance panels in the reflective surface is inversely related to a distance between the reflective surface and a light level analysis plane.

12. The method of claim 8 wherein selecting a location for the luminaire comprises:

displaying on the computer monitor a spatial view of the lighting area, the spatial view including a first locator having first and second display units defining a first display location;

transforming via the processor the first and second display units of the first locator to first, second and third spatial coordinates defining a first spatial location of the first locator, the third spatial coordinate being assigned a constant value such that the first locator is capable of movement on the monitor in a fixed spatial plane defined by the third spatial coordinate;

selecting via the data acquisition device a variable fourth spatial coordinate;

transforming via the processor the first, second and fourth spatial coordinates defining a second spatial location to third and fourth display units defining a second display location; and

displaying on the computer monitor a second locator at the second display location, the second locator capable of movement on the monitor in a variable spatial plane defined by the fourth spatial coordinate and corresponding to movement on the monitor of the first locator in the fixed spatial plane.

13. A method for which designing a lighting installation, the method for use with a computer having a processor, a data acquisition device, a monitor and a memory, the method comprising:

generating via the data acquisition device lighting area input data signals based on selected parameters associated with a lighting area;

generating via the data acquisition device luminaire input data signals based on selected parameters associated with a luminaire;

storing in memory lighting area input data and luminaire input data based on the lighting area input data signals and the luminaire data input signals;

determining via the processor a lighting area factor and a photometry factor based upon the lighting area input data and the luminaire input data;

determining a light level value in the lighting area based upon the lighting area factor and the photometry factor;

storing in the memory of the computer light level value data corresponding to the determined light level value in the lighting area;

converting the light level value data to graphic data; and

displaying the graphic data on the computer monitor.

14. The method of claim 13 further comprising:

converting via the processor the lighting area input data signals and the luminaire input data signals from analog to digital form;

retrieving from memory the lighting area input data signals and the luminaire input data signals;

retrieving from memory the light level value determined; and

converting via the processor the light level value determined from digital to analog form.

15. A system for use in designing a lighting installation, the system comprising:

means for generating lighting area input data signals based on selected parameters associated with a lighting area;

means for generating luminaire input data signals based on selected parameters associated with a luminaire;

means for processing the lighting area input data signals to obtain a lighting area factor;

means for processing the luminaire input data signals to obtain a photometry factor;

means for processing the lighting area factor and the photometry factor to determine a light level value in the lighting area; and

means for generating a light level output signal based on the light level value determined.

16. The system of claim 15 wherein generating lighting area input data signals comprises:

means for defining a lighting area boundary; and

means for defining a light level analysis plane.

17. The system of claim 16 wherein generating lighting area input data signals further comprises:

means for defining a reflective surface; and

means for selecting a reflectance value for the reflective surface.

18. The system of claim 16 wherein the means for generating lighting area input data signals further comprises means for selecting a plurality of light level analysis points on the light level analysis plane.

19. The system of claim 16 wherein the means for defining a light level analysis plane comprises:

means for displaying a spatial view of the lighting area on the computer monitor, the spatial view including a first locator having first and second display units defining a first display location;

means for transforming the first and second display units of the first locator to first, second and third spatial coordinates defining a first spatial location of the first locator, the third spatial coordinate being assigned a constant value such that the first locator is capable of movement in a fixed spatial plane defined by the third spatial coordinate;

means for selecting a variable fourth spatial coordinate;

means for transforming the first, second and fourth spatial coordinates defining a second spatial location to third and fourth display units defining a second display location; and

means for displaying a second locator on the computer monitor at the second display location, the second locator capable of movement in a variable spatial plane defined by the fourth spatial coordinate and corresponding to movement of the first locator in the fixed spatial plane.

20. The system of claim 17 wherein the means for generating lighting area input data signals further comprises a means for selecting a plurality of reflectance panels in the reflective surface, each reflectance panel represented by a reflectance point and having a reflectance value equal to the reflectance value selected for the reflective surface.

21. The system of claim 17 wherein the means for defining a reflective surface comprises:

means for displaying a spatial view of the lighting area on the computer monitor, the spatial view including a first locator having first and second display units defining a first display location;

means for transforming the first and second display units of the first locator to first, second and third spatial coordinates defining a first spatial location of the first locator, the third spatial coordinate being assigned a constant value such that the first locator is capable of movement in a fixed spatial plane defined by the third spatial coordinate;

means for selecting a variable fourth spatial coordinate;

means for transforming the first, second and fourth spatial coordinates defining a second spatial location to third and fourth display units defining a second display location; and

means for displaying on the computer monitor a second locator at the second display location, the second locator capable of movement in a variable spatial plane defined by the fourth spatial coordinate and corresponding to movement of the first locator in the fixed spatial plane.

22. The system of claim 17 wherein the means for defining a reflective surface comprises:

means for selecting an interpretation value to define an obstruction based on a desired obstruction shape and orientation; and

means for selecting a plurality of obstruction coordinates.

23. The system of claim 18 wherein the means for selecting a plurality of light level analysis points comprises:

means for selecting a distance between adjacent light level analysis points; and

means for selecting an orientation for a light level determination at the light level analysis points.

24. The system of claim 20 wherein the means for selecting a location for the luminaire comprises:

means for displaying on the computer monitor a spatial view of the lighting area, the spatial view including a first locator having first and second display units defining a first display location;

means for transforming the first and second display units of the first locator to first, second and third spatial coordinates defining a first spatial location of the first locator, the third spatial coordinate being assigned a constant value such that the first locator is capable of movement in a fixed spatial plane defined by the third spatial coordinate;

means for selecting a variable fourth spatial coordinate;

means for transforming the first, second and fourth spatial coordinates defining a second spatial location to third and fourth display units defining a second display location; and

means for displaying on the computer monitor a second locator at the second display location, the second locator capable of movement in a variable spatial plane defined by the fourth spatial coordinate and corresponding to movement of the first locator in the fixed spatial plane.

25. The system of claim 20 wherein the number of reflectance panels in the reflective surface is inversely related to the distance between the reflective surface and the light level analysis plane.

26. The system of claim 22 wherein the means for selecting a plurality of obstruction coordinates comprises:

means for displaying on the computer monitor a spatial view of the lighting area, the spatial view including a first locator having first and second display units defining a first display location;

means for transforming the first and second display units of the first locator to first, second and third spatial coordinates defining a first spatial location of the first locator, the third spatial coordinate being assigned a constant value such that the first locator is capable of movement in a fixed spatial plane defined by the third spatial coordinate;

means for selecting a variable fourth spatial coordinate;

means for transforming the first, second and fourth spatial coordinates defining a second spatial location to third and fourth display units defining a second display location; and

means for displaying on the computer monitor a second locator at the second display location, the second locator capable of movement in a variable spatial plane defined by the fourth spatial coordinate and corresponding to movement of the first locator in the fixed spatial plane.

27. A system for use in designing a lighting installation comprising:

means for generating lighting area input data signals based on selected parameters associated with a lighting area;

means for generating luminaire input data signals based on selected parameters associated with a luminaire;

means for storing the lighting area input data signals and the luminaire data input signals;

means for processing the lighting area input data signals to obtain a lighting area factor;

means for processing the luminaire input data signals to obtain a photometry factor;

means for processing the lighting area factor and the photometry factor to determine a light level value in the lighting area;

means for storing the light level value determined; and

means for generating an analog light level output signal based on the light level value determined.

28. The system of claim 27 further comprising:

means for converting the lighting area input data signals and the luminaire input data signals from analog to digital form;

means for retrieving from the storage means the lighting area input data signals and the luminaire input data signals;

means for retrieving from the storage means the light level value determined; and

means for converting the light level value determined from digital to analog form.

29. A method for use in designing a lighting installation and for installing a plurality of luminaires, the method for use with a computer having a processor, a data acquisition device, a monitor and a memory, the method comprising:

generating via the data acquisition device lighting area input data signals based on selected parameters associated with a lighting area;

generating via the data acquisition device luminaire input data signals based on selected parameters associated with the plurality of luminaires;

storing in the memory of the computer lighting area input data and luminaire input data based on the lighting area input data signals and the luminaire input data signals;

determining via the processor a lighting area factor and a photometry factor based on the lighting area input data and the luminaire input data;

determining via the processor a light level value in the lighting area based on the lighting area factor and the photometry factor;

storing in the memory of the computer light level value data corresponding to the determined light level value in the lighting area;

converting the light level value data to graphic data;

displaying the graphic data on the monitor; and

installing the plurality of luminaires according to the graphic data.

30. A method for use in designing a lighting installation and installing a plurality of luminaires, the method for use with a computer having a processor, a data acquisition device, a monitor and a memory, the method comprising:

generating via the data acquisition device lighting area input data signals based on selected parameters associated with a lighting area;

generating via the data acquisition device luminaire input data signals based on selected parameters associated with a luminaire;

storing in memory lighting area input data and luminaire input data based on the lighting area input data signals and the luminaire data input signals;

determining via the processor a lighting area factor and a photometry factor based upon the lighting area input data and the luminaire input data;

determining a light level value in the lighting area based upon the lighting area factor and the photometry factor;

storing in the memory of the computer light level value data corresponding to the determined light level value in the lighting area;

converting the light level value data to graphic data;

displaying the graphic data on the computer monitor; and

installing the plurality of luminaires according to the graphic data.