CN102102854A - Efficient reflector capable of enhancing brightness uniformity, and lamp - Google Patents
Efficient reflector capable of enhancing brightness uniformity, and lamp Download PDFInfo
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- CN102102854A CN102102854A CN2011100447609A CN201110044760A CN102102854A CN 102102854 A CN102102854 A CN 102102854A CN 2011100447609 A CN2011100447609 A CN 2011100447609A CN 201110044760 A CN201110044760 A CN 201110044760A CN 102102854 A CN102102854 A CN 102102854A
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Abstract
The invention relates to an efficient reflector capable of enhancing brightness uniformity, and a lamp, which are applicable to fluorescent lamps, high pressure gas discharging lamps, electroless lamps, street lamps, tunnel lamps and the like, and belong to the illumination field. The efficient reflector capable of enhancing brightness uniformity comprises a main reflection body; the section of the main reflection body forms a main reflection part; the main reflection part horizontally extends in the front-and-back direction to form the main reflection body; at least, the main reflection body forms a reflection cavity; the main reflection part consists of a V-shaped concave part, a left side part and a right side part; the V-shaped concave part comprises a left part and a right part; the left part stretches leftward from bottom to top; the right part stretches rightward from bottom to top; the left part and the right part are in leftward and rightward mirror symmetry; the left side part is arranged on the left side of the V-shaped concave part and integrated with the left part; the whole left side part stretches leftward from top to bottom; the right side part is arranged on the right side of the V-shaped concave part and integrated with the right part; the whole right side part stretches rightward from top to bottom; the depth H of the V-shaped concave part is 1/10 to 9/10 of the maximum depth L of the reflection cavity; the left part at least comprises at least one left arc part and/or at least one left basic circle gradual opening line part; the left arc part and the left basic circle gradually opening line part leftward stretch from bottom to top; the left side part at least comprises at least one left arc line and/or at least one left basic circle gradually opening line; and the left arc line and the left basic circle gradual opening line integrally stretch leftward from top to bottom.
Description
Technical field
The present invention relates to a kind of high-efficiency reflector and light fixture that can improve luminance uniformity, include but not limited to that as being suitable for fluorescent lamp, high-voltage gas discharging light, a kind of of electrodeless lamp can improve the even brightness high-efficiency reflector, and light fixture such as street lamp, floodlight, Tunnel Lamp, belong to lighting field.
Background technology
Existing fluorescent illumination particularly is applied to the high-power energy-saving lamp of road lighting, tunnel illumination or reflect lighting, and its length of tube of giving out light of relatively high pressure gas-discharge lamp is long, and width is big, uses the reflector according to the spot light design, and its Luminaire efficiency is not high.In addition, existing its cross section of technology spot light discharge tube reflector mostly is combining of single parabolic structure or parabola and line segment, causes that to have spot light light fixture efficient now undesirable.And discharge tube diameter high-power or annular lamp of fluorescent lamp or electrodeless florescent lamp is bigger, for high-power fluorescent lamp or annular electrodeless florescent lamp light fixture, the light that the point or the reflector of line source list parabolic structure can make discharge tube upwards the send device reflected back discharge tube that is reflected, be subjected to stopping of discharge tube and can not reflect away, make that more a high proportion of this part light can not obtain utilizing, and can make the discharge tube heating higher, influence the lamp life-span, and luminance uniformity is also bad, can not satisfy the illumination of long required distance such as street lamp Tunnel Lamp, therefore, it is big that traditional reflector can not reflect diameter fully, the light that the light source that length is long sends makes the utilization ratio of light source not ideal enough, and luminance uniformity is poor, and existing technology according to an electric light source design Luminaire efficiency also not high enough, can not satisfy energy-conservation requirement.Though and adopt to adopt its efficient height of reflector that one section circular arc or multistage circle directly link together but luminance uniformity is very poor, can not be applied in street lamp, the remote illumination of tunnel illumination.
Therefore need new technology to address the above problem.
Summary of the invention
The object of the invention is to provide a kind of reflector and light fixture that has high reflection efficiency and can improve luminance uniformity, meeting or exceeding the luminance uniformity requirement in the existing lighting criteria, thereby can realize the actual effect that height is energy-conservation.
Above-mentioned technical purpose of the present invention mainly solves by the following technical programs: it comprises main refractive body, main refractive body cross section forms main light-reflecting portion, described main light-reflecting portion direction horizontal-extending forwards, backwards forms described main refractive body, at least main refractive body forms reflector cavity, described main light-reflecting portion is caved in by V-arrangement, left side and right side constitute, described V-arrangement depression comprises left lateral and the right portion, described left lateral is totally extended left from bottom to top, the totally extension to the right from bottom to top of described the right portion, described left lateral and the right portion are left and right sides mirror image symmetry, described left side is located at V-arrangement depression left side and forms one with described left lateral, totally extend left from top to bottom described left side, described right side is located at V-arrangement depression right side and forms one with described the right portion, totally extend to the right from top to bottom described right side, the depth H of described V-arrangement depression is the 1/10-9/10 of reflector cavity depth capacity L, described left lateral comprises the left circle involute of at least one left curved portions and/or at least one portion at least, described left curved portions, left side circle involute portion extends left from bottom to top, described left side comprises at least one left camber line and/or at least one left circle involute at least, described left camber line, left side circle involute extends left from top to bottom, described right side comprises at least one right camber line and/or at least one right circle involute at least, described right camber line, right circle involute extends to the right from top to bottom, described left curved portions radius is less than the radius of described left camber line and right camber line, describedly between the left circle involute portion that forms on the identical basic circle and left circle involute and between the right circle involute portion that is forming on the described identical basic circle and the right circle involute, all be connected by at least one connecting portion, the left lateral of the main light-reflecting portion of described formation, the right portion, when left side and right side all include a circular arc line, described main light-reflecting portion includes at least four connecting portions, and described connecting portion is line segment connecting portion or parabola connecting portion.Because left lateral, the right portion, the left side, the right side is formed by circular arc line and/or circle involute, the left curved portions radius that forms left lateral and the right portion is less than the radius of curvature that forms left side and right edge, preferred left circle involute portion or left circle involute radius are more than or equal to discharge tube cross section glass tube radius, preferred left circle involute portion and left circle involute extend left, radius of each point increases gradually on it, along with left lateral and the right portion upwards make progress gradually from the V-type depression, left lateral and the right portion normal and the angle of horizontal plane everywhere is increasing, thereby the light major part of discharge tube directive V-arrangement depression all can be reflexed to and penetrate via left side and right side on left side and the right side or directly penetrate outside the reflector, the light of discharge tube directive left side and right side then 100% can directly reflect main refractive body by left side and right side, the light that thereby discharge tube upwards can be sent reflexes to outside the reflector expeditiously, improved the light efficiency utilization ratio of illuminance and lamp, but only by a left curved portions, a right curved portions, a left camber line and a right camber line form the reflector of main light-reflecting portion or only constitute left lateral and left side by one with circle involute, the right portion and left lateral minute surface symmetry, the right portion and right side mirror image symmetry and the reflector of the main light-reflecting portion that forms, because luminance uniformity is poor, inapplicable at street lighting, the illumination place of reflector left and right sides plane of illumination distance such as tunnel illumination.The reason that causes the luminance uniformity difference is that reflector particularly uses the reflector at street lamp, Tunnel Lamp generally to be divided into three functional areas, the reflector pars intermedia is the beam split district, what upper left side or upper right side and pars intermedia joined is reflection transfer district, receive reflector middle part reverberation, lower left quarter or right lower quadrant are the projection area, light are projected the distant location of face to be illuminated.All there are the very big incident light of a large amount of incidence angles in beam split district, transfer district, and this part reflection of light number of times is general more and in above-mentioned prior art, the crevice projection angle that penetrates reflector is very little, and the overwhelming majority is all closely located under light fixture; In addition in the beam split district, also all there is the low-angle incident light of the direct incident of a large amount of light sources in the transfer district, the general direct ejaculation reflector of this part light, but all closely locate under the directive light fixture, therefore under the light fixture of above-mentioned prior art, light mainly concentrates under the light fixture closely, and its luminance uniformity of illumination place of a face to be illuminated left side and/or right-hand distance is not reached requirement basically.The present invention carries out technological innovation to beam split district and transfer district, thereby raising luminance uniformity: left lateral comprises the left circle involute of at least one left curved portions and/or at least one portion at least, the left side comprises at least one left camber line and/or at least one left circle involute at least, the right side comprises at least one right camber line and/or at least one right circle involute at least, the radius of left side curved portions is less than the radius of described left camber line and right camber line, at least between the left circle involute portion that forms on the identical basic circle and left circle involute and between the right circle involute portion that is forming on the identical basic circle and the right circle involute, all be connected by at least one connecting portion, form the left lateral of main light-reflecting portion, the right portion, when left side and right side all include a circular arc line, main light-reflecting portion includes at least four connecting portions, connecting portion is line segment connecting portion or parabola connecting portion, this innovative technology scheme is by more multi sphere line or more circle involutes form left lateral, the right portion or left side, the right side, or by increase line segment connecting portion or parabola connecting portion effectively the left camber line of left side or left circle involute to the left-external side translation, the right camber line of right side or the outside translation to the right of right circle involute, thereby enlarged the crevice projection angle (the acute angle angle of emergent ray and vertical curve) that directly penetrates reflector through reflector top reverberation in the prerequisite that does not influence the reflector reflectivity, and indirect light through left camber line or left circle involute or right camber line and right circle involute secondary reflection, it is big that its projectional angle also becomes, improved luminance uniformity, secondly, the present invention is by increasing the quantity of camber line or circle involute or connecting portion in main reflector, the incidence angle of the little light of existing technology part incidence angle is become big, thereby make projectional angle become the big reflector that directly penetrates, penetrate reflector with the angle bigger again after simultaneously the bigger light of existing technology part incidence angle being reflected by left side or right side, thereby improve the luminance uniformity of face to be illuminated again than former technology projectional angle.Preferred V-arrangement depression or main refractive body carry out coating film treatment, improve reflectivity, preferred again V-arrangement depression or main refractive body adopt high reflectance minute surface aluminium directly to make or the high reflectance minute surface aluminium of corresponding V-arrangement concave shape is attached on the V-arrangement depression, with further minimizing energy of reflection light loss.In the present invention, the radius of putting on the circle involute is meant: the line segment that forms this involute rolls on this basic circle, and when its track advanced to this, this line segment deducted remaining length after the arc length of rolling on the basic circle.Left lateral and the right portion are left and right sides mirror image symmetry, and upwards the reflected light distribution of the light of reflection is more even can to make discharge tube of the present invention.When making reflector, the least radius of circular arc line that forms the V-arrangement depression is more than or equal to half of discharge tube width, or form the V-arrangement depression circle involute least radius wherein the depth H of V-arrangement depression be that the 1/10-9/10 of reflector cavity depth capacity L can guarantee that main refractive body inner surface has enough big reflective surface, the light that discharge tube is upwards launched almost 100% reflects reflector.Among the present invention, the horizontal line that the depth H of V-arrangement depression referred to the left side of the most close V-arrangement depression centre symmetry line and right curved portions or a left side and right parabola portion or a left side and right circle involute portion or a left side and its extension of right line segment and the intersection point of V-arrangement depression centre symmetry line with cave in distance between the horizontal line of peak of V-arrangement, reflector cavity depth capacity L referred to that the horizontal line of main light-reflecting portion minimum point had been the horizontal distance of main light-reflecting portion peak.Reflector V-arrangement concave bottom is preferably linear, because the restriction on the manufacture craft may form plane or inverted arc face etc.In the technical scheme of the present invention: between the left circle involute portion that forms on the identical basic circle and left circle involute and between the right circle involute portion that is forming on the identical basic circle and the right circle involute, be connected at least by at least one connecting portion, preferred connecting portion is several, the quantity of preferred connecting portion is 2-20, is preferably 3-10 again; Preferably the connecting portion between left circle involute portion that forms on the identical basic circle and left circle involute is 1-100, preferred again 2-20, more preferably 5-20, preferably the preferred 1-100 of quantity of the connecting portion between right circle involute portion that forms on the identical basic circle and right circle involute, preferred again 2-20, more preferably 5-20; The main reflector that left lateral, left side and right side three parts form by circular arc, the quantity of preferred connecting portion is 1-1000, is preferably 2-20 again, more preferably 5-20; Left lateral, left side and the right portion, the main reflector that the right side forms by a circle involute, the home position that is preferably formed the corresponding basic circle of left lateral circle involute portion is above the home position that forms the corresponding basic circle of left side circle involute, the home position that forms the corresponding basic circle of the right circle involute portion of portion is above the home position that forms the corresponding basic circle of right side circle involute, be connected the beam split district that can make reflector and transfer district by connecting portion between the circle involute portion that preferred again left lateral comprises and the circle involute that the left side comprises and the reflection of incident light angle controlled meticulousr, can make the luminance uniformity of face to be illuminated better.Preferably constitute left lateral in the present invention by curved portions, preferably constitute left lateral by left circle involute portion, again preferably by left circle involute portion, left side curved portions constitutes left lateral, again preferably by left circle involute portion, the parabola connecting portion constitutes left lateral, again preferably by the line segment connecting portion, left side circle involute portion constitutes left lateral, more preferably by left circle involute portion, the line segment connecting portion, the parabola connecting portion constitutes left lateral, again preferably by left curved portions, the parabola connecting portion constitutes left lateral, again preferably by left curved portions, the line segment connecting portion constitutes left lateral, more preferably by left curved portions, the line segment connecting portion, the parabola connecting portion constitutes left lateral, more preferably by left curved portions, left side circle involute portion, the parabola connecting portion constitutes left lateral, more preferably by left curved portions, left side circle involute portion, the line segment connecting portion constitutes left lateral, more preferably by left curved portions, left side circle involute portion, the parabola connecting portion, the line segment connecting portion constitutes left lateral; Further preferred: left lateral comprises a left curved portions and at least one connecting portion, the right portion comprises a right curved portions and at least one connecting portion, the left side comprises a left circle involute, the right side comprises a right circle involute, the quantity of the connecting portion that preferred left lateral and the right portion comprise is 1-100, preferred again 2-20; Further preferred: left lateral comprises a left curved portions, the right portion comprises a right curved portions, the left side comprises a left circle involute and at least one connecting portion, the right side comprises a right circle involute and at least one connecting portion, the quantity of the connecting portion that preferred left lateral and the right portion comprise is 1-100, preferred again 2-20; Further preferred: left lateral comprises a left curved portions and at least one connecting portion, the right portion comprises a right curved portions and at least one connecting portion, the left side comprises a left circle involute and at least one connecting portion, the right side comprises a right circle involute and at least one connecting portion, the quantity of the connecting portion that preferred left lateral or left side and right side comprise is 1-1000, preferred again 2-20; Further preferred: left lateral comprises a left curved portions and at least one connecting portion, the right portion comprises a right curved portions and at least one connecting portion, the left side comprises several left circle involutes, the right side comprises several right circle involutes, the quantity of the connecting portion that preferred left lateral and the right portion comprise is 1-100, preferred again 2-20; Further preferred: left lateral comprises a left curved portions, the right portion comprises a right curved portions, the left side comprises several left circle involutes and at least one connecting portion, the right side comprises several right circle involutes and at least one connecting portion, and the quantity of the connecting portion that preferred left side and right side comprise is 1-1000; Further preferred: left lateral comprises a left curved portions and at least one connecting portion, the right portion comprises a right curved portions and at least one connecting portion, the left side comprises several left circle involutes and at least one connecting portion, the right side comprises several right circle involutes and at least one connecting portion, the quantity of the connecting portion that preferred left lateral and the right portion and left side and right side comprise is 1-1000, and preferred amount is 2-20 again; Further preferred: left lateral comprises a left circle involute portion and at least one connecting portion, the right portion comprises a right circle involute portion and at least one connecting portion, the left side comprises a left camber line, the right side comprises a right camber line, the quantity of the connecting portion that preferred left lateral and the right portion comprise is 1-100, is preferably 2-20 again; Further preferred: left lateral comprises a left circle involute portion, the right portion comprises a right circle involute portion, the left side comprises a left camber line and at least one connecting portion, the right side comprises a right camber line and at least one connecting portion, the quantity of the connecting portion that preferred left lateral and the right portion comprise is 1-100, and preferred amount is 2-20 again; Further preferred: left lateral comprises a left circle involute portion and at least one connecting portion, the right portion comprises a right circle involute portion and at least one connecting portion, the left side comprises a camber line and at least one connecting portion, the right side comprises a right camber line and at least one connecting portion, the quantity of the connecting portion that preferred left side and right side comprise is 1-1000, and preferred amount is 2-20 again; Further preferred: left lateral comprises a left circle involute portion and at least one connecting portion, the right portion comprises a right circle involute portion and at least one connecting portion, the left side comprises several left camber lines, the right side comprises several right camber lines, the quantity of the connecting portion that preferred left lateral and the right portion comprise is 1-1000, is preferably 2-20 again; Further preferred: left lateral comprises a left circle involute portion, the right portion comprises a right circle involute portion, the left side comprises several left camber lines and at least one connecting portion, the right side comprises several right camber lines and at least one connecting portion, the quantity of the connecting portion that preferred left side and right side comprise is 1-1000, and preferred amount is 2-20 again; Further preferred: left lateral comprises a left circle involute portion and at least one connecting portion, the right portion comprises a right circle involute portion and at least one connecting portion, the left side comprises several left camber lines and at least one connecting portion, the right side comprises several right camber lines and at least one connecting portion, the quantity of the connecting portion that preferred left lateral and the right portion and left side and right side comprise is 1-1000, is preferably 2-20 again; Further preferred: left lateral comprises a left curved portions and at least one left circle involute portion, and the quantity of left circle involute portion is preferably 1-10, is preferably 2-5 again; Further preferred: left lateral comprises the left circle involute of at least one left curved portions and portion, and the quantity of preferred left curved portions is 1-5, preferred again 2-5; Further preferred: left lateral comprises the left circle involute of several left curved portions and several portion, and the quantity of preferred left curved portions is 2-5, and the quantity of preferred left circle involute portion is 2-5; Further preferred: left lateral comprises at least one left curved portions and at least one left circle involute portion and at least one connecting portion, the quantity of preferred connecting portion is 1-20, be preferably 2-10 again, the quantity of preferred left curved portions and/or left circle involute portion is 1-5, is preferably 2-5 again; Further preferred: left side and right side comprise a left camber line and at least one left circle involute, and the quantity of preferred left circle involute is 1-100, are preferably 2-20 again; Further preferred: left side and right side comprise at least one left camber line and a left circle involute, and the quantity of preferred left camber line is 1-1000 and is preferably 2-20 again; Further preferred: left side and right side comprise several left camber lines and several left circle involutes, and the quantity of preferred left camber line is 2-100, and the quantity of preferred left circle involute is 2-20; Further preferred: left side and right side comprise at least one left camber line and at least one left circle involute and at least one connecting portion, the quantity of preferred connecting portion is 1-1000, be preferably 2-100 again, the quantity of preferred left camber line and/or left circle involute is 1-1000, is preferably 2-100 again.Being interconnected to form integrally formed left lateral by left curved portions and/or left circle involute portion and connecting portion totally extends left from bottom to top, connecting portion comprises line segment connecting portion and parabola connecting portion, line segment connecting portion preferred water horizontal line, preferred again vertical curve, the more preferably oblique line section of extending left from bottom to top, the parabola connecting portion preferably extends left from bottom to top, and preferred connecting portion is arranged near left side one end; Being interconnected to form integrally formed left side by left camber line and/or left circle involute and connecting portion totally extends left from top to bottom, connecting portion comprises line segment connecting portion and parabola connecting portion, line segment connecting portion preferred water horizontal line, preferred again vertical curve, the more preferably oblique line section of extending left from top to bottom, the parabola connecting portion preferably extends left from top to bottom, and preferred connecting portion is arranged between the left camber line or between the left circle involute or between left camber line and the left circle involute; Being interconnected to form integrally formed right side by right camber line and/or right circle involute and connecting portion totally extends left from top to bottom, connecting portion comprises line segment connecting portion and parabola connecting portion, line segment connecting portion preferred water horizontal line, preferred vertical curve, the more preferably oblique line section of extending to the right from top to bottom, the parabola connecting portion preferably extends to the right from top to bottom, and preferred connecting portion is arranged between the left camber line or between the left circle involute or between left camber line and the left circle involute;
As preferably, described curved portions and described camber line are all smaller or equal to 1/4 circular arc, and described left side and right side are the minute surface symmetry.Curved portions and camber line are enough to its area of reflection of light smaller or equal to 1/4 circular arc, and can make the reflector size littler smaller or equal to 1/4 circular arc; Described left side and right side are the minute surface symmetry can make the light of the light fixture left and right sides be evenly distributed.
As preferably, described left lateral is formed by several left circle involute portions and/or at least one left curved portions at least, and described main light-reflecting portion is made of described left lateral, the right portion, left side and right side.The quantity of preferred left curved portions is 1-20, be preferably 2-20 again, more preferably 4-10, the quantity of preferred left circle involute portion is 2-20, more preferably 3-10, preferably connect as one successively and form left lateral by left circle involute portion and left curved portions, preferred left curved portions is formed on left circle involute left side, and left side and right side are formed by at least one curved portions and/or at least one circle involute at least, it is higher to make behind the existing technology reflector spectrum part of the little incident angle directive of existing technology the light that penetrates existing technology reflector with little projectional angle project the ratio of farther distance with big crevice projection angle after the reflection of V-arrangement depression of the present invention, the light with little projectional angle ejaculation reflector with the existing technology reflector spectrum part of big incidence angle directive that existing technology discharge tube sends caves in through V-arrangement of the present invention, can be higher after left side and the right side reflection with the ratio that big projectional angle penetrates reflector, thus luminance uniformity improved better.
As preferably, described left lateral is formed by the left circle involute of several left curved portions and/or at least one portion at least, and described main light-reflecting portion is made of described left lateral, the right portion, left side, right side.The quantity of preferred left curved portions is 2-100, and more preferably 4-20, the quantity of preferred left circle involute portion is 1-20, is preferably 2-20 again, more preferably 3-10; Preferably link into an integrated entity and form left lateral by left circle involute portion and left curved portions, preferred left curved portions is formed on left circle involute left side, and left side and right side are formed by at least one arc and/or at least one circle involute at least, preferred be connected by at least one connecting portion between left circle involute portion that forms on the identical basic circle and the left circle involute or between the right circle involute portion that is forming on the identical basic circle and the right circle involute at least, left side camber line and right camber line quantity are 1-1000, preferred 2-100, preferred again 3-10, the quantity of left side circle involute and right circle involute is 1-500, be preferably 2-20, preferably with the left circle involute portion and the left circle involute of basic circle, with the right circle involute portion of basic circle and the connecting portion quantity between the right circle involute is several, be preferably 2-20 again, more preferably 5-10, it is higher to make behind the existing technology reflector spectrum part of the little incident angle directive of existing technology the light that penetrates existing technology reflector with little projectional angle project the ratio of farther distance with big crevice projection angle after the reflection of V-arrangement depression of the present invention, the light with little projectional angle ejaculation reflector with the existing technology reflector spectrum part of big incidence angle directive that existing technology discharge tube sends caves in through V-arrangement of the present invention, can be higher after left side and the right side reflection with the ratio that big projectional angle penetrates reflector, thus luminance uniformity improved better.
As preferably, described left lateral and the right portion also comprise at least one connecting portion, and described connecting portion is line segment connecting portion or parabola connecting portion.Preferred connecting portion quantity be several, and more preferably the quantity of connecting portion is 2-20, and more preferably 3-10, the connecting portion of a greater number can better be controlled the make progress crevice projection angle of little and ejaculation reflector of incidence angle of light of directive V-arrangement depression of discharge tube.
As preferably, described left side and right side are made of several camber lines and/or at least one circle involute at least, and described main light-reflecting portion is made of described V-arrangement depression, left side and right side.The quantity of preferred left camber line is 2-1000, preferred again 3-100, more preferably 3-20, the quantity of preferred left circle involute is 1-1000, the quantity of preferred left circle involute is 2-100 again, more preferably 3-20, more preferably connect as one and form the left side by left circle involute and left camber line, preferred left camber line is formed on left circle involute left side, and left lateral and the right portion are formed by at least one curved portions and/or at least one circle involute portion at least, preferred be connected by at least one connecting portion between left circle involute portion that forms on the identical basic circle and the left circle involute or between the right circle involute portion that is forming on the identical basic circle and the right circle involute at least, preferably with the left circle involute portion and the left circle involute of basic circle, with the right circle involute portion of basic circle and the connecting portion quantity between the right circle involute is several, be preferably 2-20 again, more preferably 3-10, it is higher to make behind the existing technology reflector spectrum part of the little incident angle directive of existing technology the light that penetrates existing technology reflector with little projectional angle project the ratio of farther distance with big crevice projection angle after the reflection of V-arrangement depression of the present invention, the light with little projectional angle ejaculation reflector with the existing technology reflector spectrum part of big incidence angle directive that existing technology discharge tube sends caves in through V-arrangement of the present invention, can be higher after left side and the right side reflection with the ratio that big projectional angle penetrates reflector, thus luminance uniformity improved better.
As preferably, described left side and right side are made of several circle involutes and/or at least one camber line at least, and described main light-reflecting portion is made of described V-arrangement depression, left side and right side.The quantity of preferred left curved portions is 1-1000, be preferably 2-100 again, more preferably 3-20, the quantity of preferred left circle involute portion is 2-1000, be preferably 2-100 again, more preferably 3-20, preferably connect as one and form left lateral by left circle involute portion and left curved portions, preferred left curved portions is formed on left circle involute left side, and left lateral and the right portion are formed by at least one curved portions and/or at least one circle involute at least, and at least in the left lateral that all includes a circular arc line, in left side and right side three parts, have at least a part to comprise at least one connecting portion, preferred connecting portion is several, more preferably connecting portion is 2-20, it is higher to make behind the existing technology reflector spectrum part of the little incident angle directive of existing technology the light that penetrates existing technology reflector with little projectional angle project the ratio of farther distance with big crevice projection angle after the reflection of V-arrangement depression of the present invention, the light with little projectional angle ejaculation reflector with the existing technology reflector spectrum part of big incidence angle directive that existing technology discharge tube sends caves in through V-arrangement of the present invention, can be higher after left side and the right side reflection with the ratio that big projectional angle penetrates reflector, thus luminance uniformity improved better.
As preferably, described left side and right side also comprise at least one connecting portion, and described connecting portion is line segment connecting portion or parabola connecting portion.Preferred connecting portion quantity is several, more preferably the quantity of connecting portion is 2-20,5-20 more preferably, the connecting portion of a greater number can better control discharge tube to the left and right the light launched obliquely of both sides in the size of the incidence angle of left side and right side with penetrate the size of the crevice projection angle of reflector.
As preferably, described reflector comprises main refractive body, and leading section along its length and rearward end, described leading section is connected by excessive portion with described main refractive body with rearward end, described leading section is that a kind of formation of plane, sphere, arc surface, parabola or basic circle involute surface or several combine, extend forward from top to bottom, described rearward end is that a kind of formation of plane, sphere, arc surface, parabola or basic circle involute surface or several combine.Leading section, excessive portion, main refractive body, excessive portion, rearward end are in turn connected to form reflector cavity, leading section, excessive portion, main refractive body, excessive portion, rearward end can adopt integrative-structure, the minute surface reflectorized material is attached on the main light-reflecting portion, be preferably cambered surface minute surface reflectorized material making and adopt branch body structure, main refractive body directly to adopt.Preferred leading section and/or rearward end are the plane, be preferably parabola, be preferably the basic circle involute surface, arc surface and paraboloidal combination more preferably, basic circle involute surface and paraboloidal combination more preferably, more preferably arc surface and tapered plane combines, more preferably basic circle involute surface and tapered plane combines, preferred arc surface be camber line to the left and right direction extend to form, parabolic for parabola to the left and right direction extend to form, the basic circle involute surface extends to form for the circle involute left and right directions.
As preferably, described reflector comprises main refractive body, and leading section along its length and rearward end, described main refractive body, leading section and rearward end form reflector cavity, the left side of described main refractive body and/or right side lower edge are provided with at least one planar portions or curved face part, and the lower edge of described planar portions lower edge or curved face part lower edge, leading section and rearward end all is formed with the mounting flange that turns up.Planar portions can constitute with perpendicular, preferably with the angle of perpendicular and horizontal plane less than 20 ° one section outwards the plane of skew constitute, being more preferably the tapered plane that links together that is gradually reduced by several and perpendicular angle constitutes, the curved surface that preferred planar or curved surface and perpendicular acute angle angle gradually reduce, preferably the maximum acute angle angle that forms with vertical plane is smaller or equal to 20 °, more preferably the acute angle angle of curved surface or plane and perpendicular formation progressively strengthens skew outward, preferably with the minimum angle of vertical plane more than or equal to 80 °, preferred curved face part is a cambered surface, preferred curved face part is the basic circle involute surface, preferred curved face part is parabolic, preferred curved face part opening is oblique down, preferred curved face part opening obliquely, that can send discharge tube reflexes to angle on the working face about 30 °-45 ° with the light that almost can not shine working face of horizontal line angle in 0-25 ° of scope, has improved the brightness and the luminance uniformity of working face.Mounting flange is transparent glass fixedly, reaches the sealing class requirement of sealed lamps.
Another kind of form of the present invention: the light fixture that comprises any feature reflector of 1-10, comprise light source, described light source comprises discharge tube, it is following or touch with the bottom connection of V-arrangement depression that the described discharge tube of described discharge tube is installed in the bottom of described V-arrangement depression, and described discharge tube is left-right symmetry with the center plane of symmetry of V-arrangement depression and distributes.Light fixture of the present invention can accurately be controlled the light reflection, preferred formation left lateral, the left side, the right portion, the center of circle of the circular arc line on right side successively line in the discharge tube cross section outside, the base radius of preferred circle involute correspondence is more than or equal to the caliber of discharge tube, almost 100% can make directive V-arrangement depression and left side, the light of right side reflects reflector, has high Luminaire efficiency, what is more important the present invention has improved luminance uniformity, and reflector of the present invention is used in road lighting, tunnel illuminations etc. have the luminance uniformity requirement and need the longer-distance illumination of projection place to become possibility.
Description of drawings
Fig. 1 is a kind of stereogram of the present invention;
Fig. 2 is another visual angle stereogram of Fig. 1;
Fig. 3 is that a kind of annulus fluorescent lamp reflector of the present invention, broken circle 1 are the basic circles of left circle involute portion 231, and broken circle 2 is basic circles of right circle involute portion 232;
Fig. 4 is a fluorescent lamp reflectors schematic cross-section of the present invention, and broken circle 1 is the basic circle of circle involute 231, and broken circle 2 is basic circles of circle involute 232, the basic circle of broken circle 3 circle involutes 241, the basic circle of broken circle 4 circle involutes 242;
Fig. 5 is the sectional view of the another kind of reflector of the present invention;
Fig. 6 is the sectional view of high-pressure mercury lamp reflector of the present invention;
Fig. 7 is the sectional view of a kind of reflector of the present invention's annular lamp or electrodeless lamp;
Fig. 8 is the sectional view of another reflector of the present invention;
Fig. 9 is the sectional view of a kind of reflector of the present invention;
Figure 10 is the sectional view of a kind of fluorescent lamp reflectors of the present invention.
Figure 11 is the reflection path figure that sectional view and the light of reflector by central shaft of Comparative Examples 1 routine techniques reflexes to the discharge tube situation;
For details such as V-type depressions among the clear statement figure, only schematically illustrate among the above-mentioned figure, not by implementing product equal proportion convergent-divergent, be not construed as limiting the invention.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.
Comparative Examples 1: main light-reflecting portion forms the V-arrangement depression by curved portions 31 and 32, curved portions 31 left sides form camber line 41, curved portions 32 right sides form camber line 42, main light-reflecting portion is formed by V-arrangement depression, camber line 41 and camber line 42, extend to form reflector before and after the main light-reflecting portion, high-power fluorescent lamp light source 6 is arranged on the centre of reflector.
Embodiment 1: as Fig. 1 and Fig. 2, form line segment connecting portion 121 with left circle involute portion 31 one by left circle involute portion 31 left sides, left circle involute portion 31, line segment connecting portion 121 progressively extend left from bottom to top and constitute left lateral; Right circle involute portion 32 right sides form the line segment connecting portion 122 with right circle involute portion 32 one, and right circle involute portion 32, line segment connecting portion 122 progressively extends to the right from bottom to top and constitute the right portion; Left side circle involute portion 31, line segment connecting portion 121, right circle involute portion 32, line segment connecting portion 122 constitute V-arrangements depression 8, V-arrangement depression left side forms the line segment connecting portion 111 with V-arrangement depression one, line segment connecting portion 111 left sides form the left camber line 41 with line segment connecting portion 111 one, and line segment connecting portion 111, left camber line 41 totally progressively extend left from top to bottom and constitute the left side; V-arrangement depression left side forms line segment connecting portion 112, line segment connecting portion 112 right sides form right camber line 42, line segment connecting portion 112, right camber line 42 totally progressively extend to the right from top to bottom and constitute the right side, V-arrangement depression and line segment connecting portion 111, left camber line 41, line segment connecting portion 112, right camber line 42 constitute main light-reflecting portion, main light-reflecting portion extends to form reflector cavity and main refractive body 1 to horizontal direction, main refractive body depression is linear, left side circle involute portion and right circle involute are left and right sides mirror image symmetry, and left camber line and right camber line are left and right sides mirror image symmetry.Left side camber line, left second camber line and right camber line are less than the quadrant arc, the maximum radius of putting in maximum radius that put on the circle involute on a left side and the right circle involute portion is 107mm, a left side second radius of curvature and right second radius of curvature are 157mm, V-arrangement cup depth H is 160mm, the reflector cavity depth capacity is 240mm, the H/L ratio is 2/3, and main refractive body 1, leading section 2 and rearward end 3 lower edges form flange 10, and main refractive body 1, leading section 2, rearward end 3 and flange 10 constitute reflector.
As shown in Figure 3, when annular lamp is installed, annular lamp must be installed in below the bottom of described V-arrangement depression 8, the center plane of symmetry of V-arrangement depression is divided into left and right sides two halves to annular lamp 6.As Fig. 3, dotted line is right camber line of routine techniques and light reflection path, near the light of ejaculation reflector all concentrates under the light fixture, line segment connecting portion 112 and line segment connecting portion 122 are the displacement to the right of right camber line, enlarged the angle that directly reflects reflector through the light of top reflective surface reflection, after the right cambered surface of the light directive of top reflective surface reflection, the crevice projection angle that reflects the light of reflector through right cambered surface becomes big, light directive line segment connecting portion 112 from the light source emitted at small angles, it is big that its incidence angle becomes, and directly penetrate reflector with bigger projectional angle (the acute angle angle that forms with vertical curve), from the light directive connecting portion 122 of light source than the wide-angle ejaculation, reflex to left camber line 41 and reflect reflector with big projectional angle again, the light of the right circle involute of same directive portion 232 reflexes to right camber line 42 and reflects reflector again or directly reflect reflector, thereby has improved luminance uniformity.
Shown in Figure 4, by the center of circle is a1, A2, A3, four left curved portions of A4 constitute left curved portions group 311, by the center of circle is b1, B2, B3, four right curved portions of B4 constitute right curved portions group 322, left side curved portions group and right arc group constitute the V-arrangement depression, V-arrangement depression left side forms connecting portion 111, connecting portion 111 left sides form a left side second camber line 41 of one, V-arrangement depression right side forms connecting portion 112, connecting portion 112 right sides form the right side second camber line 42 of one, a left side second camber line 41, right second camber line 42 is connected a left side the 3rd camber line 51 by horizontal line section connecting portion 113 with 114, right the 3rd camber line 52, the 3rd camber line is by horizontal line section 115,116 connect a left side the 4th camber line 61, right the 4th camber line 62, a left side second camber line, a left side the 3rd camber line, a left side the 4th camber line constitutes the left side, right second camber line, right the 3rd camber line, right the 4th camber line right side, the radius of a left side first curved portions and right first curved portions is 28mm, the radius of curvature of second camber line is 75mm, the depth H of V-arrangement depression is 28mm, reflector cavity depth capacity L is 75mm, H/L is 0.37, the center of circle of second camber line is respectively a2, b2, two centers of circle of the 3rd camber line are respectively a6, b6, two centers of circle of the 4th camber line are respectively a7, b7, intersection point o by the first camber line portion, b1, B2, B3, B4, b2, b6, b7, a7, a6, a2, A4, A3, A2, a1, o line successively constitutes closed polygon 7, and polygon 7 surrounds the cross section of discharge tube 8.V-arrangement depression, right side, left side constitute main light-reflecting portion 1, the external line segment of main light-reflecting portion portion 9 and mounting flange 10, along continuous straight runs extends with leading section 2, rearward end 3 and forms reflector, and light source is a high-power fluorescent lamp, and its discharge tube is divided into two halves by the V-arrangement depression.
Shown in Figure 5, left side curved portions 31 radiuses and right curved portions 32 radiuses are 90mm, left side curved portions and right curved portions constitute the V-arrangement depression, curved portions left side, a left side forms the left circle involute 241 with left curved portions one, left side circle involute extends gradually left from top to bottom and its radius strengthens gradually, enlarged the crevice projection angle of the light that the reflector top reflects to the left, right curved portions right side forms the right circle involute 242 with right curved portions one, right circle involute extends gradually to the right from top to bottom and its radius strengthens gradually, enlarged the crevice projection angle of the light that the reflector top reflects to the right, the maximum radius of left side circle involute 241 and the maximum radius of right circle involute 242 are 100mm, left side camber line and right camber line constitute left side and right side, V-arrangement cup depth H is 90mm, reflector cavity depth capacity L is 100mm, H/L is 9/10, V-arrangement depression 8 and left circle involute 241, right circle involute 242 constitutes main light-reflecting portion, and main light-reflecting portion direction forwards, backwards extends to form main reflector 1.Light source is high-pressure mercury lamp or metal halide lamp.
Embodiment 4
As Fig. 6, main light-reflecting portion 1 is by the left first circle involute portion 231, a left side 233 left sides the 3rd circle involute portion 235 of the second circle involute portion is in turn connected to form one, extend left from bottom to top and constitute left lateral, right first group of circle involute portion 232, right first group of circle involute portion 234, right first group of circle involute portion 236 is in turn connected to form one, extend to form the right portion from bottom to top to the right, left lateral and the right portion constitute V-arrangement depression 8, V-arrangement caves in, and 8 left sides form and a left side first circle involute 241 of V-arrangement depression one, a left side second circle involute 251 in first circle involute left side, a left side connects as one by line segment connecting portion 111, totally extend to form the left side from top to bottom left, V-arrangement caves in, and 8 right sides form and the right side first circle involute 242 of V-arrangement depression one, the right side second circle involute 251 on the right first circle involute right side connects as one by line segment connecting portion 112, totally extend to form the right side from top to bottom to the right, the V-arrangement depression, the left side, the right side constitutes main light-reflecting portion, main light-reflecting portion is extended common formation reflector cavity and main refractive body 1 forwards, backwards, left lateral and the right portion are left and right sides mirror image symmetry, left side and right side are left and right sides mirror image symmetry, main light-reflecting portion lower edge connects line segment portion 9 and flange 10 extends to form reflector forwards, backwards, and reflector V-arrangement depression is linear.V-arrangement cup depth H is 10mm, and reflector cavity depth capacity L is 50mm, and the H/L ratio is 1/5.
Embodiment 5
As Fig. 7, by the left first circle involute portion 231, left side curved portions 31, right side circle involute portion 232, right curved portions 32 constitutes V-arrangement depression 8, left side circle involute portion 231, left side curved portions 31 directly links into an integrated entity, extend to form left lateral from bottom to top left, curved portions 31 left sides, a left side form and left first curved portions one left side curved line 41, the left side of left side curved line 41 forms the left circle involute 241 with left camber line 41 one, left side camber line 41 and left circle involute 241 extend to form the left side from top to bottom left, the right side of right curved line 42 forms the right circle involute 242 with right camber line 42 one, right camber line 42 and right circle involute 242 extend to form the right side from top to bottom to the right, left lateral and the right portion are left and right sides mirror image symmetry, the V-arrangement depression, the left side, the right side constitutes main light-reflecting portion, main light-reflecting portion lower edge wiring section portion 9 and flange 10 extend to form reflector forwards, backwards, and the reflector concave bottom is shape linearly.V-arrangement cup depth L is 47mm, and reflector cavity depth capacity L is 94mm, and the H/L ratio is 1/2.
As Fig. 8, curved portions 31 left sides, a left side form the connecting portion 121 with left curved portions one, connecting portion 121 left sides form the connecting portion 111 with connecting portion 121 one, left side curved portions 31, connecting portion 121, connecting portion 111 forms one and extends the formation left lateral from bottom to top left, right curved portions 32 right sides form the connecting portion 122 with right curved portions one, connecting portion 122 right sides form the connecting portion 112 with connecting portion 122 one, right curved portions 32, connecting portion 122, connecting portion 112 forms one and extends formation the right portion from bottom to top to the right, left lateral and the right portion constitute the V-arrangement depression, connecting portion 111 left sides form a left side first camber line 41 with connecting portion 111 one, a left side second camber line 51 in first camber line, 41 left sides, a left side is connected by connecting portion 131 with left first camber line 41, a left side first camber line 41, connecting portion 131, a left side second camber line 51 connects as one and extends to form the left side from top to bottom left, connecting portion 112 right sides form the right side first camber line 42 with connecting portion 112 one, the right side second camber line 52 on right first camber line 42 right sides is connected by connecting portion 132 with right first camber line 42, right first camber line 42, connecting portion 132, right second camber line 52 connects as one and extends to form the right side from top to bottom to the right, the V-arrangement depression, the left side, the right side constitutes main light-reflecting portion, main light-reflecting portion lower edge wiring section portion 9 and flange 10 extend and leading section 2 forwards, backwards, rearward end 3 is connected to form reflector, left lateral and the right portion are left and right sides mirror image symmetry, left side and right side are left and right sides mirror image symmetry, V-arrangement cup depth L is 47mm, reflector cavity depth capacity L is 94mm, and the H/L ratio is 1/2.
Shown in Figure 9, a left side first curved portions, 31 radiuses and right first curved portions, 32 radiuses are 8mm, a left side first curved portions is connected by the little line segment 11 of level with right first curved portions, curved portions 31 left sides, a left side form the connecting portion 111 with left curved portions one, left side curved portions 31, connecting portion 111 forms one and extends the formation left lateral from bottom to top left, right curved portions 32 right sides form the connecting portion 112 with right curved portions one, right curved portions 32, connecting portion 112 forms one and extends formation the right portion from bottom to top to the right, left lateral and the right portion connect and compose the V-arrangement depression by horizontal line section 11, connecting portion 111 left sides form the parabola connecting portion 113 with connecting portion 111 one, parabola connecting portion 113 left sides form left circle involute 241, parabola connecting portion 113, left side circle involute 241 connects as one and extends to form the left side from top to bottom left, connecting portion 112 right sides form the parabola connecting portion 114 with connecting portion 112 one, parabola connecting portion 114 right sides form right circle involute 242, parabola connecting portion 114, right circle involute 242 connects as one and extends to form the right side from top to bottom to the right, V-arrangement depression and left side, the right side constitutes main light-reflecting portion, main light-reflecting portion lower edge wiring section portion 9 and flange 10 front and back extend to form reflector, the reflector depression is facet shape, the depth H of V-arrangement depression is 8mm, the depth capacity L of reflector cavity is 80mm, and H/L is 1/10.
As Figure 10, the left circle involute of formation portion 231 on left first basic circle 1, on left second basic circle 3, form left circle involute 241, left side circle involute portion 231 connects as one by line segment connecting portion 111 with left circle involute 241, the right circle involute of formation portion 232 on right first basic circle 2, on right second basic circle 4, form right circle involute 242, right circle involute portion 232 and left circle involute 242 connect as one by line segment connecting portion 112, left side circle involute portion 231, right side circle involute portion 232 forms V-arrangements depression 8, the degree of depth L of V-arrangement depression is 30mm, line segment connecting portion 111, left side circle involute 241 forms one and totally extends to form the left side from top to bottom left, line segment connecting portion 112, right circle involute 242 forms one and totally extends to form the right side from top to bottom to the right, the V-arrangement depression, the left side, the right side constitutes main light-reflecting portion, extend to form reflector cavity before and after the main light-reflecting portion, the big degree of depth of doing of reflector cavity is 90mm, the L/H ratio is 1/3, and main light-reflecting portion lower edge wiring section portion 9 and flange 10 extend to form reflector forwards, backwards.High-power fluorescent lamp is installed in V-arrangement depression below, and the line of symmetry of V-arrangement depression is divided into left and right sides two halves to the high-power fluorescent lamp discharge tube.
Following table is that the luminance uniformity of embodiment and Comparative Examples compares: adopt with the high-power fluorescent lamp light source, light fixture is a road lamp, and embodiment reflector and reflector configuration of the present invention are in same streetlamp housing, and setting height(from bottom) is 10 meters, installing space is 30 meters, and symmetry is installed.
| Experimental example | The total uniformity of face to be illuminated brightness | Experimental example | The face to be illuminated luminance uniformity |
| Comparative Examples 1 | 0.35 | Embodiment 5 | 0.55 |
| |
0.45 | |
0.60 |
| |
0.65 | |
0.48 |
| |
0.42 | |
0.43 |
| Embodiment 4 | 0.62 | ? | ? |
In illumination of road major trunk roads or tunnel illumination, total uniformity need reach more than 0.4 in country's illumination design standard, by the contrast of above embodiment and Comparative Examples as can be known, the present invention significantly improves the lamp brightness uniformity, existing technology is lower than standard owing to total uniformity and can't uses in major trunk roads or tunnel illumination, and light fixture of the present invention all can use.
Above preferred embodiment just is used for description and interpretation content of the present invention, does not constitute the restriction to content of the present invention.Although the inventor has done in more detail the present invention and has enumerated, but, the content that those skilled in the art is disclosed according to summary of the invention part and embodiment, can make various modifications or/and to replenish or adopt similar mode to substitute be obvious to described specific embodiment, and can realize technique effect of the present invention, therefore, give unnecessary details no longer one by one herein.The term that occurs among the present invention is used for the elaboration of technical solution of the present invention and understanding are not construed as limiting the invention.
Claims (11)
1. high-efficiency reflector that can improve luminance uniformity, it is characterized by: comprise main refractive body, main refractive body cross section forms main light-reflecting portion, described main light-reflecting portion direction horizontal-extending forwards, backwards forms described main refractive body, at least main refractive body forms reflector cavity, described main light-reflecting portion is caved in by V-arrangement, left side and right side constitute, described V-arrangement depression comprises left lateral and the right portion, described left lateral integral body is from bottom to top extended left, the extension to the right from bottom to top of described the right portion, described left lateral and the right portion are left and right sides mirror image symmetry, described left side is located at V-arrangement depression left side and forms one with described left lateral, extend left described left side integral body from top to bottom, described right side is located at V-arrangement depression right side and forms one with described the right portion, extend to the right described right side integral body from top to bottom, the depth H of described V-arrangement depression is the 1/10-9/10 of reflector cavity depth capacity L, described left lateral comprises the left circle involute of at least one left curved portions and/or at least one portion at least, described left curved portions, left side circle involute portion extends left from bottom to top, described left side comprises at least one left camber line and/or at least one left circle involute at least, described left camber line, left side circle involute extends left from top to bottom, described right side comprises at least one right camber line and/or at least one right circle involute at least, described right camber line, right circle involute extends to the right from top to bottom, described left curved portions radius is less than the radius of described left camber line and right camber line, describedly between the left circle involute portion that forms on the identical basic circle and left circle involute and between the right circle involute portion that is forming on the described identical basic circle and the right circle involute, all be connected by at least one connecting portion, the left lateral of the main light-reflecting portion of described formation, the right portion, when left side and right side all include a circular arc line, described main light-reflecting portion includes at least four connecting portions, and described connecting portion is line segment connecting portion or parabola connecting portion.
2. a kind of high-efficiency reflector that can improve luminance uniformity according to claim 1 is characterized by: described curved portions and described camber line are all smaller or equal to 1/4 circular arc.Described left side and right side are the minute surface symmetry.
3. according to claim 1,2 described a kind of high-efficiency reflectors that can improve luminance uniformity, it is characterized by: described left lateral is formed by several left circle involute portions and/or at least one left curved portions at least, and described main light-reflecting portion is made of described left lateral, the right portion, left side and right side.
4. according to claim 1,2 described a kind of high-efficiency reflectors that can improve luminance uniformity, it is characterized by: described left lateral is formed by the left circle involute of several left curved portions and/or at least one portion at least, and described main light-reflecting portion is made of described left lateral, the right portion, left side, right side.
5. according to claim 3,4 described a kind of high-efficiency reflectors that can improve luminance uniformity, it is characterized by: described left lateral and the right portion also comprise at least one connecting portion, and described connecting portion is line segment connecting portion or parabola connecting portion.
6. according to the described a kind of high-efficiency reflector that can improve luminance uniformity of claim 1-5, it is characterized by: described left side and right side are made of several camber lines and/or at least one circle involute at least, and described main light-reflecting portion is made of described V-arrangement depression, left side and right side.
7. according to the described a kind of high-efficiency reflector that can improve luminance uniformity of claim 1-5, it is characterized by: described left side and right side are made of several circle involutes and/or at least one camber line at least, and described main light-reflecting portion is made of described V-arrangement depression, left side and right side.
8. according to claim 6,7 described a kind of high-efficiency reflectors that can improve luminance uniformity, it is characterized by: described left side and/or right side also comprise at least one connecting portion.
9. according to the described a kind of high-efficiency reflector that can improve luminance uniformity of claim 1-8, it is characterized by: described reflector comprises main refractive body, and leading section along its length and rearward end, described leading section is connected by excessive portion with described main refractive body with rearward end, described leading section is the plane, sphere, arc surface, a kind of formation of parabola or basic circle involute surface or several combine, extend forward from top to bottom, described rearward end is the plane, sphere, arc surface, a kind of formation of parabola or basic circle involute surface or several combine.
10. according to the described a kind of high-efficiency reflector that can improve luminance uniformity of claim 1-9, it is characterized by: described reflector comprises main refractive body, and leading section along its length and rearward end, described main refractive body, leading section and rearward end form reflector cavity, the left side of described main refractive body and/or right side lower edge are provided with at least one planar portions or curved face part, and the lower edge of described planar portions lower edge or curved face part lower edge, leading section and rearward end all is formed with the mounting flange that turns up.
11. comprise the light fixture of any feature reflector of 1-10, comprise light source, described light source comprises discharge tube, it is following or touch with the bottom connection of V-arrangement depression that the described discharge tube of described discharge tube is installed in the bottom of described V-arrangement depression, and described discharge tube is left-right symmetry with the center plane of symmetry of V-arrangement depression and distributes.
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| CN2011100447609A CN102102854A (en) | 2011-02-17 | 2011-02-17 | Efficient reflector capable of enhancing brightness uniformity, and lamp |
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| CN2011100447609A CN102102854A (en) | 2011-02-17 | 2011-02-17 | Efficient reflector capable of enhancing brightness uniformity, and lamp |
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| JP2020136255A (en) * | 2019-02-14 | 2020-08-31 | 相馬 督 | Reflection efficiency improvement type reflection plate structure |
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| CN103322507B (en) * | 2012-03-22 | 2015-08-05 | 海洋王照明科技股份有限公司 | Reflector, the light-source structure using this reflector and light fixture |
| CN105899869A (en) * | 2014-01-10 | 2016-08-24 | 拖恩尤罗芬股份有限公司 | Lighting device for illumination tunnels, underpasses or subways |
| CN105020636A (en) * | 2015-08-20 | 2015-11-04 | 山东交通学院 | Low-position illumination lamp for tunnel |
| JP2020136255A (en) * | 2019-02-14 | 2020-08-31 | 相馬 督 | Reflection efficiency improvement type reflection plate structure |
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Application publication date: 20110622 |