CN201973665U

CN201973665U - Two-row and six-line LED polarizing type module lens for street lamp

Info

Publication number: CN201973665U
Application number: CN2011200483530U
Authority: CN
Inventors: 陈世昌; 刘雄飞; 谭宝忠
Original assignee: Dongguan Jusheng Plastic & Electronics Products Ltd
Current assignee: Dongguan Jusheng Plastic & Electronics Products Ltd
Priority date: 2011-02-26
Filing date: 2011-02-26
Publication date: 2011-09-14
Anticipated expiration: 2021-02-26

Abstract

A two-row and six-line LED polarizing type module lens for a street lamp relates to a lens for an LED lamp, is a platy body and comprises a strip planar bottom surface for mounting, and a top surface opposite to the bottom surface; pits for mounting LEDs are formed on the bottom surface and form two-row and six-line arrays; incident surfaces of LED light are formed on the inner surfaces of the pits; respective emergent surfaces which are in one-to-one correspondence to the incident surfaces are formed on the top surface; lens polarized bodies with a polarized function are formed between the incident surfaces and the emergent surfaces; and light emergent angles of 130-140 degrees*80-90 degrees are formed. The utility model has the benefits as follows: uniform rectangular light is formed on the road surface, so that the illuminating quality of the road is improved; 2*6 high-power LED arrays are mounted, so that the heat radiation of the lamp can be better controlled; and when the illumination of light is higher, the module lens can be designed into multiple modules for combined mounting, so that the engineering design becomes simpler.

Description

Street lamp is listed as LED polarization type module lens with two rows six

Technical field

The utility model relates to the lens that are used for the LED lamp, refers to that especially a kind of street lamp is listed as LED polarization type module lens with two rows six.

Background technology

Along with led light source replaces conventional light source gradually, the advantage of LED lighting is day by day admitted by people, replaces conventional lamp such as LED being used for field of street lamp lighting, can bring many superiority such as improving light efficiency, energy-saving and environmental protection.

But present most LED street lamps are radiated at hot spot on the road surface for circular, also differ greatly with actual requirement along road surface length direction uniform irradiation.Perfect condition is: sprawl as much as possible along link length direction glazed thread, and can be controlled effectively at road width direction glazed thread, uniformity with the illumination that improves the road surface, thereby make the road surface that better illumination brightness be arranged, reduction can reduce the waste of luminous energy in addition because of the underlit traffic accident that causes as far as possible.

The secondary lens that uses on the LED lighting is very big to the quality influence of illumination, and different lens designs produces different illuminating effects.Updating the lens design is to improve one of importance of LED street lighting effect.

Summary of the invention

The utility model is intended to overcome the above-mentioned deficiency of prior art, and meeting the market requirement provides a kind of street lamp to be listed as LED polarization type module lens with two rows six.Its characteristics: the rectangular shape of projection shape of one, hot spot scatters, ray cast angle 80～90 * 130～140 degree, and light concentrates on the road surface; Two, the illumination projection is even, no hot spot; Three, a plurality of great power LED sheets are concentrated on the lens, realize modularity production, make light fixture have the illumination desired power simultaneously.

For this reason, the utility model street lamp is as follows with the technical scheme of two rows, six row LED polarization type module lens:

The utility model street lamp is a plate body with two rows, six row LED polarization type module lens, comprises plane bottom surface and the end face relative with the bottom surface;

Be shaped on the bottom surface for LED and be installed on pit in it, described pit forms the arrays of two rows, six row, and establishing along row's direction is the X-direction of bottom surface, is the Y direction of bottom surface along the direction of row;

The inner surface of described pit forms the plane of incidence of LED light; Corresponding one by one with each plane of incidence, on end face, be shaped on exit facet separately; Form between the plane of incidence and exit facet and have the lens polarizing body of polarisation effect;

The plane of incidence is the semicircle tubular, and the tube length direction of the plane of incidence is consistent with the described X-direction of bottom surface;

Exit facet is the microscler arcwall face that outwards protrudes, and the long axis direction of exit facet is consistent with the described Y direction of bottom surface, and the short-axis direction of exit facet is consistent with the X-direction of bottom surface; The curvature of exit facet is symmetric form along its long axis direction, exit facet is the first small curve section near horizontal linear along the stage casing of its long axis direction, exit facet is near the second small curve section of erectting straight line along the two ends of its long axis direction, the first small curve section and the second small curve section connect by the M segmental arc, and causing light is 130～140 degree along the A angle of emergence of exit facet long axis direction; The curvature of exit facet is symmetric form along its short-axis direction, exit facet is the 3rd curvature section along the stage casing of its short-axis direction, exit facet is near the 4th small curve section of erectting straight line along the two ends of its short-axis direction, the 3rd curvature section and the 4th small curve section are by the N segmental arc, and causing light is 80～90 degree along the B angle of emergence of exit facet short-axis direction; Thereby form the beam projecting angle of 130～140 degree * 80～90 degree.

Technique scheme is further set forth:

Open system for the seal groove that usefulness is installed, sealing groove semicircular in shape on the cross section on four limits, upper edge, bottom surface.

On end face, be shaped on for the screw hole that usefulness is installed, and this screw hole pierces the bottom surface.

On the bottom surface, be shaped on for the reference column that usefulness is installed.

Described plate body is made of transparent material, as PC etc.

The beneficial effects of the utility model are: one, adopt the plane of incidence and the exit facet of said structure, form the beam projecting angle of 130～140 degree and 80～90 degree, just obtained the even rectangular light of a projectional angle about 60 * 120 degree on the road surface, increase along the distance of shining on the link length direction, the road lighting quality is improved.Its two, light is radiated at the zone that needs illumination, the luminous energy waste is few.Its three since adopted 2 * 6 totally 12 great power LED luminous tube arrays install, the heat radiation of light fixture is better controlled, and can be designed to a plurality of modules for illuminance when higher and make up installation, makes engineering design simpler.

Description of drawings

Fig. 1 is the utility model schematic diagram;

Fig. 2 is the vertical view (its angle of putting has rotation) of Fig. 1;

Fig. 3 is the upward view (its angle of putting has rotation) of Fig. 1;

Fig. 4 is the C-C generalized section of Fig. 2;

Fig. 5 is the D-D generalized section of Fig. 2.

Among the figure: 1, bottom surface; 2, end face; 3, pit; 4, the plane of incidence; 5, exit facet; 6, the A angle of emergence; 7, the B angle of emergence; 8, the first small curve section; 9, the second small curve section; 10, M segmental arc; 11, the 3rd curvature section; 12, the 4th small curve section; 13, N segmental arc; 14, seal groove; 15, screw hole; 16, reference column.

The specific embodiment

Below, introduce the specific embodiment of the present utility model in conjunction with the accompanying drawings.

As shown in Figures 1 and 2, the utility model street lamp is a plate body with two rows, six row LED polarization type module lens, comprises plane bottom surface 1 and the end face 2 relative with bottom surface 1.

Be shaped on bottom surface 1 for LED and be installed on pit 3 in it, described pit 3 forms the arrays of two rows, six row, and establishing along row's direction is the X-direction of bottom surface 1, is the Y direction of bottom surface 1 along the direction of row.

The inner surface of described pit 3 forms the plane of incidence 4 of LED light; Corresponding one by one with each plane of incidence 4, on end face 2, be shaped on exit facet 5 separately; 5 formation of the plane of incidence 4 and exit facet have the lens polarizing body of polarisation effect.

The plane of incidence 4 is the semicircle tubular, and the tube length direction of the plane of incidence 4 is consistent with the X-direction of bottom surface 1.

Exit facet 5 is the microscler arcwall face that outwards protrudes, and the long axis direction of exit facet 5 is consistent with the Y direction of bottom surface 1, and the short-axis direction of exit facet 5 is consistent with the X-direction of bottom surface 1; The curvature of exit facet 5 is symmetric form along its long axis direction, exit facet 5 is the first small curve section 8 near horizontal linear along the stage casing of its long axis direction, exit facet 5 is near the second small curve section 9 of erectting straight line along the two ends of its long axis direction, the first small curve section 8 and the second small curve section 9 connect by M segmental arc 10 selects, and causing light is 130～140 degree along the A angle of emergence 6 of exit facet 5 long axis directions; The curvature of exit facet is symmetric form along its short-axis direction, exit facet 5 is the 3rd curvature section 11 along the stage casing of its short-axis direction, exit facet is near the 4th small curve section 12 of erectting straight line along the two ends of its short-axis direction, the 3rd curvature section 11 and the 4th small curve section 12 connect by N segmental arc 13, and causing light is 80～90 degree along the B angle of emergence 7 of exit facet 5 short-axis directions; Thereby form the beam projecting angle of 130～140 degree * 80～90 degree.Lift three specific embodiments:

, light is 135 degree along the A angle of emergence 6 of exit facet 5 long axis directions, is 85 degree along the B angle of emergence 7 of exit facet 5 short-axis directions, forms the beam projecting angles of 135 degree * 85 degree;

, light is 130 degree along the A angle of emergence 6 of exit facet 5 long axis directions, is 80 degree along the B angle of emergence 7 of exit facet 5 short-axis directions, forms the beam projecting angles of 130 degree * 80 degree; , light is 140 degree along the A angle of emergence 6 of exit facet 5 long axis directions, is 90 degree along the B angle of emergence 7 of exit facet 5 short-axis directions, forms the beam projecting angles of 140 degree * 90 degree.

System is opened for the seal groove 14 that usefulness is installed, sealing groove 14 semicircular in shape on the cross section in four limits, 1 upper edge in the bottom surface.

On end face 2, be shaped on for the screw hole 15 that usefulness is installed, and this screw hole 15 pierces bottom surface 1.

On bottom surface 1, be shaped on for the reference column 16 that usefulness is installed.

Described plate body is made of transparent material, as PC etc.

The above only is preferred embodiment of the present utility model, is not that technical scope of the present utility model is imposed any restrictions.The technical staff of the industry, under the inspiration of the technical program, can make some distortion and revise, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model above any modification, equivalent variations and modification that embodiment did.

Claims

1. street lamp is a plate body with two rows, six row LED polarization type module lens, comprises plane bottom surface and the end face relative with the bottom surface; It is characterized in that:

The plane of incidence is the semicircle tubular, and the tube length direction of the plane of incidence is consistent with the X-direction of bottom surface;

Exit facet is the microscler arcwall face that outwards protrudes, and the long axis direction of exit facet is consistent with the Y direction of bottom surface, and the short-axis direction of exit facet is consistent with the X-direction of bottom surface; The curvature of exit facet is symmetric form along its long axis direction, exit facet is the first small curve section near horizontal linear along the stage casing of its long axis direction, exit facet is near the second small curve section of erectting straight line along the two ends of its long axis direction, the first small curve section and the second small curve section connect by the M segmental arc, and causing light is 130～140 degree along the A angle of emergence of exit facet long axis direction; The curvature of exit facet is symmetric form along its short-axis direction, exit facet is the 3rd curvature section along the stage casing of its short-axis direction, exit facet is near the 4th small curve section of erectting straight line along the two ends of its short-axis direction, the 3rd curvature section and the 4th small curve section connect by the N segmental arc, and causing light is 80～90 degree along the B angle of emergence of exit facet short-axis direction; Thereby form the beam projecting angle of 130～140 degree * 80～90 degree.

2. street lamp according to claim 1 is characterized in that: open the seal groove of system for installation usefulness on four limits, upper edge, bottom surface, sealing groove semicircular in shape on the cross section with two rows, six row LED polarization type module lens.

3. street lamp according to claim 1 is characterized in that: be shaped on end face for the screw hole that usefulness is installed, and this screw hole pierces the bottom surface with two rows, six row LED polarization type module lens.

4. street lamp according to claim 1 is characterized in that: be shaped on the bottom surface for the reference column that usefulness is installed with two rows, six row LED polarization type module lens.

5. street lamp according to claim 1 is listed as LED polarization type module lens with two rows six, and it is characterized in that: described plate body is made of transparent material.