CN105631159A - Electric room module lamp position optimization method - Google Patents

Abstract

The invention discloses an electric room module lamp position optimization method. The method comprises the following steps of 1, calculating the number of needed lamps; 2, evenly distributing the lamps in an electric room module, selecting n measuring points around each lamp, and calculating an illuminance value at each measuring point; 3, calculating an average illuminance value of all the measuring points, and comparing the average illuminance value of the points with a designed illuminance; 4, if the average illuminance value of the points is less than the designed illuminance, adding a lamp; repeating the previous steps; judging whether the average illuminance value of the points subtracting the designed illuminance is greater than epsilon 1; if the comparing result is positive, stopping illuminance optimization; if the result is negative, performing the step 5; 5, setting an illuminance uniformity error to be epsilon 2; comparing the illuminance value of one measuring point with the average illuminance value of the points; if the illuminance value of the measuring point is less than the average illuminance value of the points, moving the measuring point until a difference value between the illuminance value of the measuring point and the average illuminance value of the points is within epsilon 2. The method improves the illumination quality of the lamps.

Description

A kind of electric equipment compartment modular light method for optimizing position

Technical field

The present invention relates to a kind of lamp position optimization method, particularly relate to the lamp position optimization method of marine oil and gas illuminator.

Background technology

Recently as the development of marine oil and gas equipment, the design of illuminator occupies very important status, reasonably arranges lamp position, can effectively improve lighting quality, reduce the quantity of light fixture, reduce production cost, improve corporate profit margin. And present stage is in illumination system layout process, the position of light fixture is carried out simple layout by designer's design experiences according to self in design software, obtains brightness value and manually adjusts light fixture quantity and lamp position. Because adopting the method manually adjusted inefficient, and it cannot be guaranteed that solve the light fixture quantity of the best and the position of light fixture within the effective time, cause the significant wastage of human and material resources, financial resources to enterprise.

Summary of the invention

It is an object of the invention to overcome existing technological deficiency, it is provided that a kind of safe and convenient more, electric equipment compartment module illuminator reliable, efficient lamp position optimization method.

In order to achieve the above object, the technical solution used in the present invention is:

A kind of lamp position optimization method of the electric equipment compartment module illuminator of the present invention, it comprises the following steps:

Step one, according to designing requirement, it is determined that the model of light fixture and illumination requirement, according to formulaTry to achieve required light fixture quantity, N in formula_minThe minima of required light fixture quantity, F.C-designs brightness value, A-room area, Cu.-space utilization factor, M-maintenance factor, takes 0.7��0.8, the luminous flux of lm-light fixture;

Step 2, the light fixture quantity tried to achieve according to step one will be distributed in electric equipment compartment module, then choose n around each light fixture and measure point, and calculate the brightness value of each measurement point, and computing formula is as follows:

$E=\frac{1}{D^2+S^2}$

$I=\frac{\mathrm{\Ω}}{A}$

$\begin{array}{c}A=4(arctg\frac{tg\mathrm{\β}}{tg\mathrm{\α}}+arctg\frac{tg\mathrm{\α}}{tg\mathrm{\β}}-\arcsin \left(\cos \mathrm{\α}\sin arctg\frac{tg\mathrm{\β}}{tg\mathrm{\α}}\right)\\ -\arcsin \left(\cos \mathrm{\β}\sin arctg\frac{tg\mathrm{\α}}{tg\mathrm{\β}}\right))\end{array}$

In formula: E is the selected brightness value measuring point, D is the setting height(from bottom) of light fixture, S is the distance measuring point from lamp installation point, �� is the luminous flux of light fixture, A is the surface area folded by light emitting anger, �� and �� is the light emitting anger of light fixture, light emitting anger be on light intensity curve the 1/2 of largest light intensity with the angle of normal luminous intensity;

Step 3, according to all measure some brightness values calculate all measure point illumination meansigma methods, then by the illumination meansigma methods of point with design illumination contrast;

If the illumination meansigma methods < of step 4 point designs illumination, then increase a light fixture, repeat described step 2 and step 3, until the illumination meansigma methods > of point designs illumination, then again the illumination meansigma methods-design illumination of judging point whether more than ��₁, such as the illumination meansigma methods-design illumination of fruit dot > and ��₁, then show that the illumination requirement of light fixture meets design requirement, stop illumination optimization; Illumination meansigma methods-design illumination < �� such as fruit dot₁, then need to carry out step 5;

Step 5, set uniformity of illuminance error as ��₂, described ��₂=| measure point brightness value-illumination meansigma methods |, relatively measure the brightness value of point and the illumination meansigma methods size of point, if measuring the illumination meansigma methods of the brightness value < point of point, then the position of light fixture is moved a distance, delta s to measurement point so that the brightness value measuring point increases a �� value; If measuring the illumination meansigma methods of the brightness value > point of point, then the position of light fixture moves distance, delta s brightness value one �� value of reduction that measurement is put to away from measurement point, calculate mobile after measure brightness value a little and calculate mobile after measure uniformity of illuminance error a little, until the difference of the illumination meansigma methods of the brightness value put and point is at ��₂Scope in, stop optimize, ��=��₂/ n, �� s=measure the quantity that distance/n, n are the measurement point chosen around this light fixture moved in step 2 of point and lamp locker.

Compared with prior art, the method have the advantages that

By the present invention in that the lamp position optimization problem completing electric equipment compartment module with electric equipment compartment modular light position optimization platform, replace original mode optimized manually. Application by a kind of electric equipment compartment modular light method for optimizing position of the present invention, not only increase the lighting quality of electric equipment compartment module illuminator light fixture, and improve the work efficiency of designer, the design cost of the electric equipment compartment module illuminator reduced, save a large amount of manpower for company, improve the benefit of company.

Accompanying drawing explanation

Fig. 1 is one electric equipment compartment modular light method for optimizing position flow chart of the present invention;

Fig. 2 relates to spherical coordinates schematic diagram in one electric equipment compartment modular light method for optimizing position of the present invention;

Fig. 3 is radian, angle schematic diagram in the xoy plane related in a kind of electric equipment compartment modular light method for optimizing position of the present invention;

Fig. 4 is lamp luminescence angle schematic diagram.

Detailed description of the invention

Below in conjunction with detailed description of the invention, the invention will be further described.

A kind of lamp position optimization method of the electric equipment compartment module illuminator of the present invention, it comprises the following steps:

Step one, according to designing requirement, it is determined that the model of light fixture and illumination requirement, according to formulaTry to achieve required light fixture quantity, N in formula_minThe minima of required light fixture quantity, F.C-designs brightness value, A-room area, Cu.-space utilization factor (can be searched) in " Lighting Design handbook (second edition) " that China Electric Power Publishing House publishes for 2006, M-maintenance factor, generally take 0.7��0.8, the luminous flux of lm-light fixture.

Light fixture is distributed in electric equipment compartment module by step 2, the light fixture quantity tried to achieve according to step one, then chooses n around each light fixture and measures point, and calculates the brightness value E of each measurement point, comprises the following steps:

A () calculates the surface area A folded by lamp luminescence angle;

If the luminous point of light fixture is initial point O, setting up spherical coordinate system as shown in Figure 2, some P is the arbitrary measurement point being positioned on spherical coordinate system, measure the coordinate of some P be P (x, y, z), tried to achieve by surface area formula (1):

$A=\underset{D}{\&Integral;\&Integral;}\sqrt{1+{\left(\frac{\&part;z}{\&part;x}\right)}^2+{\left(\frac{\&part;z}{\&part;y}\right)}^2}dxdy---\left(1\right)$

Wherein: the surface area folded by A-light emitting anger,For the variable z partial derivative to variable x,For the variable z partial derivative to variable y; X, y, z is measure the location variable of some P.

The episphere spherical equation of spheroid is shown in formula (2):

$\sqrt{1+{\left(\frac{\&part;z}{\&part;x}\right)}^2+{\left(\frac{\&part;z}{\&part;y}\right)}^2}=\frac{1}{\sqrt{1-x^2-y^2}}---\left(2\right)$

Substitute into formula (1) to obtain:

$A=\underset{D}{\&Integral;\&Integral;}\frac{dxdy}{\sqrt{1-x^2-y^2}}---\left(3\right)$

By the measurement point P in spherical coordinate system, arc length R1, arc length R2 projects in the xoy plane being perpendicular to Z axis, respectively P,, r1 and r2, arc length R1 is from the arc length measuring some P to P1, arc length R2 is from the arc length measuring some P to P2, P1, P2 are the intersection point of the xoz plane of light emitting anger ��, �� and spherical coordinate system, yoz plane, as it is shown on figure 3, then two elliptic curves through arc length r1, r2 are n1, n2 in xoy plane, the formula of n1, n2 is by formula (4), and formula (5) is expressed as:

$\frac{x^2}{{\mathrm{sin\&alpha;}}^2}+y^2=1---\left(4\right)$

$x^2+\frac{y^2}{{\mathrm{sin\&beta;}}^2}=1---\left(5\right)$

Wherein: �� and �� be light fixture light emitting anger as shown in Figure 4. In figure, o is the luminous point of light fixture, and light emitting anger is the 1/2I of largest light intensity on light intensity curve_maxWith normal luminous intensityAngle.

Known two elliptic curve n1 and n2 intersection point P constituted in x/y plane by formula (4) and formula (5), coordinate and angle be:

$(\frac{sin\mathrm{\&alpha;}cos\mathrm{\&beta;}}{\sqrt{1-{\sin }^2{\mathrm{\&alpha;sin}}^2\mathrm{\&beta;}}},\frac{sin\mathrm{\&beta;}cos\mathrm{\&alpha;}}{\sqrt{1-{\sin }^2{\mathrm{\&alpha;sin}}^2\mathrm{\&beta;}}})---\left(6\right)$

Wherein,For intersection point P, and the angle of the line of zero O and x-axis,For intersection point P, and the angle of the line of zero O and y-axis;

Coordinate figure transformation for mula by under polar coordinate:Bring formula (4), formula (5) into, obtain x/y plane within angleArc length r1 corresponding to angle and x/y plane within angleCorresponding arc length r2, as shown in formula (8), formula (9):

Utilize polar coordinate transform, formula (3) obtain formula (10):

$A=\underset{D}{\&Integral;\&Integral;}\frac{rdrd\mathrm{\&phi;}}{\sqrt{1-r^2}}---\left(10\right)$

In formula, r is angleCorresponding arc length variable, span is [0, r1] or [0, r2], angleFor intersection point P, with the angle variable of the line of initial point O Yu axis x or y, span isOr

Formula (8), (9) are substituted into formula (10) and obtain:

Wherein: A₁ForThe surface area that angle is corresponding, A₂ForThe surface area that angle is corresponding.

Then known by formula (10),

IfThenSubstitute into formula (11) to try to achieve

In like manner,

A₂=��₂-arcsin(cos��sin��₂)(15)

Know according to symmetry:

A=4 (A₁+A₂)(16)

Formula (13), formula (14) substitution formula (16) are tried to achieve and are drawn surface area A:

$\begin{array}{c}A=4(arctg\frac{tg\mathrm{\&beta;}}{tg\mathrm{\&alpha;}}+arctg\frac{tg\mathrm{\&alpha;}}{tg\mathrm{\&beta;}}-\arcsin \left(\cos \mathrm{\&alpha;}\sin arctg\frac{tg\mathrm{\&beta;}}{tg\mathrm{\&alpha;}}\right)\\ -\arcsin \left(\cos \mathrm{\&beta;}\sin arctg\frac{tg\mathrm{\&alpha;}}{tg\mathrm{\&beta;}}\right))\end{array}$

Each selected brightness value E measuring point around b, calculating light fixture, if the luminous flux of light fixture is ��, the irradiated area of light fixture is tried to achieve surface area A by step a, then the light intensity I of measurement point is expressed as by formula (18):

$I=\frac{\mathrm{\&Omega;}}{A}---\left(18\right)$

Then the brightness value E of measurement point can be expressed as by formula (19):

$E=\frac{I}{D^2+S^2}---\left(19\right)$

In formula: D is the setting height(from bottom) of light fixture, S is the distance measuring point from lamp installation point;

Step 3, according to all measure some brightness value E calculate all measure point illumination meansigma methods, then by the illumination meansigma methods of point with design illumination contrast;

If the illumination meansigma methods < of step 4 point designs illumination, then increase a light fixture, repeat described step 2 and step 3, until the illumination meansigma methods > of point designs illumination, then again the illumination meansigma methods-design illumination of judging point whether more than ��₁, such as the illumination meansigma methods-design illumination of fruit dot > and ��₁, then show that the illumination requirement of light fixture meets design requirement, stop illumination optimization; Illumination meansigma methods-design illumination < �� such as fruit dot₁(��₁-illumination deviation, designer can specify voluntarily according to field condition, generally takes the 30% of design illumination), it was shown that owing to the reason of shading makes the luminance reduction of some point in electric equipment compartment module, then need to carry out step 5;

Step 5, setting uniformity of illuminance error ��₂, described uniformity of illuminance error ��₂=| measure point brightness value-illumination meansigma methods |, relatively measure the brightness value of point and the illumination meansigma methods size of point, if measuring the illumination meansigma methods of the brightness value < point of point, then the position of light fixture is moved a distance, delta s to measurement point so that the brightness value measuring point increases a �� value; If measuring the illumination meansigma methods of the brightness value > point of point, then the position of light fixture moves distance, delta s brightness value one �� value of reduction that measurement is put to away from measurement point, calculate mobile after measure brightness value a little and calculate mobile after measure uniformity of illuminance error a little, until the difference of the illumination meansigma methods of the brightness value put and point is at uniformity of illuminance error ��₂Scope in, stop optimize, ��=��₂/ n, �� s=measure the quantity measuring point that the distance/n, the n-that put with lamp locker choose around this light fixture moved in step 2.

Claims (1)

1. a lamp position optimization method for electric equipment compartment module illuminator, it comprises the following steps:

Step one, according to designing requirement, it is determined that the model of light fixture and illumination requirement, according to formulaTry to achieve required light fixture quantity, N in formula_minThe minima of required light fixture quantity, F.C-designs brightness value, A-room area, Cu.-space utilization factor, M-maintenance factor, takes 0.7��0.8, the luminous flux of lm-light fixture;

Light fixture is distributed in electric equipment compartment module by step 2, the light fixture quantity tried to achieve according to step one, then chooses n around each light fixture and measures point, and calculates the brightness value of each measurement point, and computing formula is as follows:

$E=\frac{I}{D^2+S^2}$

$I=\frac{\mathrm{\&Omega;}}{A}$

$A=4(arctg\frac{tg\mathrm{\&beta;}}{tg\mathrm{\&alpha;}}+arctg\frac{tg\mathrm{\&alpha;}}{tg\mathrm{\&beta;}}-\arcsin (\cos \mathrm{\&alpha;}\sin arctg\frac{tg\mathrm{\&beta;}}{tg\mathrm{\&alpha;}})-\arcsin (\cos \mathrm{\&beta;}\sin arctg\frac{tg\mathrm{\&alpha;}}{tg\mathrm{\&beta;}}\left)\right)$

In formula: E is the selected brightness value measuring point, D is the setting height(from bottom) of light fixture, S is the distance measuring point from lamp installation point, �� is the luminous flux of light fixture, A is the surface area folded by light emitting anger, �� and �� is the light emitting anger of light fixture, light emitting anger be on light intensity curve the 1/2 of largest light intensity with the angle of normal luminous intensity;

Step 3, according to all measure some brightness values calculate all measure point illumination meansigma methods, then by the illumination meansigma methods of point with design illumination contrast;

If the illumination meansigma methods < of step 4 point designs illumination, then increase a light fixture, repeat described step 2 and step 3, until the illumination meansigma methods > of point designs illumination, then again the illumination meansigma methods-design illumination of judging point whether more than ��₁, such as the illumination meansigma methods-design illumination of fruit dot > and ��₁, then show that the illumination requirement of light fixture meets design requirement, stop illumination optimization; Illumination meansigma methods-design illumination < �� such as fruit dot₁, then need to carry out step 5;

Step 5, set uniformity of illuminance error as ��₂, described ��₂=| measure point brightness value-illumination meansigma methods |, relatively measure the brightness value of point and the illumination meansigma methods size of point, if measuring the illumination meansigma methods of the brightness value < point of point, then the position of light fixture is moved a distance, delta s to measurement point so that the brightness value measuring point increases a �� value; If measuring the illumination meansigma methods of the brightness value > point of point, then the position of light fixture moves distance, delta s brightness value one �� value of reduction that measurement is put to away from measurement point, calculate mobile after measure brightness value a little and calculate mobile after measure uniformity of illuminance error a little, until the difference of the illumination meansigma methods of the brightness value put and point is at ��₂Scope in, stop optimize, ��=��₂/ n, �� s=measure the quantity that distance/n, n are the measurement point chosen around this light fixture moved in step 2 of point and lamp locker.