阅读说明：本技术 一种led透镜 (LED lens ) 是由 彭朝辉 于 2020-11-30 设计创作，主要内容包括：本发明涉及一种LED透镜,包括透镜体、LED灯珠、基板和固定脚,所述透镜体套设于所述基板外,所述LED灯珠位于所述透镜体内,且与所述基板连接；所述透镜体通过所述固定脚与所述基板抵触连接。本发明通过温度传感器实时感知所述LED灯珠的温度,进而控制伸缩所述固定脚的高度,控制所述LED灯珠的亮度,使所述透镜体架空在所述LED灯珠的正上方,从而避开所述透镜体与所述LED灯珠的接触,保证了所述LED灯珠的稳定性；解决了因所述LED灯珠一直承受相应压力,从而导致所述LED灯珠内植入的芯片触点金丝脱裂,使触点接触不良或所述LED灯珠直接受损的问题。(The invention relates to an LED lens, which comprises a lens body, LED lamp beads, a substrate and fixing pins, wherein the lens body is sleeved outside the substrate, and the LED lamp beads are positioned in the lens body and connected with the substrate; the lens body is connected with the substrate in an abutting mode through the fixing pins. According to the LED lamp bead temperature control device, the temperature of the LED lamp bead is sensed in real time through the temperature sensor, so that the height of the telescopic fixing foot is controlled, the brightness of the LED lamp bead is controlled, the lens body is erected right above the LED lamp bead, the contact between the lens body and the LED lamp bead is avoided, and the stability of the LED lamp bead is guaranteed; the LED lamp bead solves the problem that a chip contact gold wire implanted in the LED lamp bead is cracked to cause poor contact of the contact or the LED lamp bead is directly damaged because the LED lamp bead always bears corresponding pressure.)

1. An LED lens, characterized in that: the LED lamp comprises a lens body (10), LED lamp beads (20), a substrate (30) and fixing pins (12), wherein the lens body (10) is sleeved outside the substrate (30), the LED lamp beads (20) are located in the lens body (10) and are connected with the substrate (30) through connecting pieces, one end of the lens body (10) is connected with the fixing pins (12) so as to realize the plug-in connection of the fixing pins (12) and the substrate (30).

2. The LED lens of claim 1, wherein: the lens body (10) comprises a base surface (100), the base surface (100) is located at the bottom of the lens body (10), an LED containing cavity (11) is formed along the inner edge of the base surface (100) towards the inner direction of the lens body (10), and the LED lamp beads (20) are located in the LED containing cavity (11).

3. The LED lens of claim 2, wherein: the fixing feet (12) are connected with the base surface (100) through connecting pieces, a plurality of fixing feet (12) are arranged on the base surface (100), a first fixing surface (120) is formed at the bottoms of the plurality of fixing feet (12), and the first fixing surface (120) is parallel to the base surface (100).

4. The LED lens of claim 3, wherein: the fixing feet (12) are telescopic devices, and the number of the fixing feet (12) is at least 2N, wherein N is more than or equal to 1.

5. The LED lens of claim 4, wherein: the LED lamp is characterized in that one surface of the substrate (30) connected with the LED lamp beads (20) is a second fixing surface (300), and the first fixing surface (120) can be flatly pressed on the second fixing surface (300).

6. The LED lens of claim 5, wherein: the height of the fixing foot (12) is larger than or equal to the thickness of the LED lamp bead (20), and the inner diameter of the LED accommodating cavity (11) is larger than or equal to the width of the LED lamp bead (20).

7. The LED lens of claim 6, wherein: the minimum linear distance between the opposite surfaces of the two fixing feet (12) taking the central point of the base surface (100) as a symmetrical point is more than or equal to the width of the LED lamp bead (20).

8. The LED lens of claim 7, wherein: the second fixing surface (300) is connected with the limiting block (31) through a connecting piece, the limiting plate (31) is in a circular ring shape and is located on the second fixing surface (300) and surrounds the LED lamp beads (20), and the fixing feet (12) can be placed in the limiting plate (12).

9. The LED lens of claim 8, wherein: the lens body (10) is provided with a controller (6).

10. The LED lens of claim 9, wherein: be equipped with temperature sensor (5) on base face (100), temperature sensor (5) output with controller (6) input is connected, controller (6) output respectively with LED lamp pearl (20) input with fixed foot (12) input passes through the wire and connects.

Technical Field

The invention relates to an optical lens, in particular to an LED lens.

Background

In recent years, green lighting is an ecological design target that follows globally, and LEDs (light emitting diodes) have been rapidly developed as a high-efficiency and energy-saving light source, which is gradually applied to daily life, such as fluorescent lamps, ceiling lamps, automobile lamps, street lamps, and the like. When the LED is used as a light source of a ceiling lamp, a lens is usually covered outside the LED device to change the beam angle of the LED when emitting light, so as to achieve the effect of local illumination. During actual assembly, generally aim at LED lamp pearl with the chamber of acceping of lens, then with the body of the direct roof pressure LED lamp pearl of lens on, withstand lens through LED lamp pearl and make it can not become flexible. Its advantages are universal working procedure and method, and no technical threshold. But because LED lamp pearl bears corresponding pressure always, lead to implanting in the LED lamp pearl chip contact gold wire to take off and split easily, lead to contact failure or LED lamp pearl directly impaired, leave over the hidden danger for the quality of whole lamp body.

Disclosure of Invention

In order to overcome the technical defects in the prior art, the invention provides the LED lens, which can separate the lens from the LED lamp beads and effectively solve the problems in the background art.

In order to solve the technical problems, the technical scheme of the LED lens provided by the invention is as follows:

the embodiment of the invention discloses an LED lens, which comprises a lens body, LED lamp beads, a substrate and fixing pins, wherein the lens body is sleeved outside the substrate, and the LED lamp beads are positioned in the lens body and are connected with the substrate through connecting pieces; the lens body is connected with the substrate in an abutting mode through the fixing pins.

In any of the above schemes, preferably, the lens body includes a base surface, the base surface is located at the bottom of the lens body, an LED receiving cavity is formed along an inner edge of the base surface toward an inner direction of the lens body, and the LED lamp bead is located in the LED receiving cavity.

In any of the above aspects, preferably, the fixing legs are connected to the base surface through connecting pieces, a plurality of fixing legs are provided on the base surface, and a first fixing surface is formed at the bottom of the plurality of fixing legs, and the first fixing surface is parallel to the base surface.

In any of the above schemes, preferably, the fixing feet are telescopic devices, and the number of the fixing feet is at least 2N, wherein N is more than or equal to 1.

In any of the above schemes, preferably, one surface of the substrate connected with the LED lamp bead is a second fixing surface, and the first fixing surface can be flatly pressed on the second fixing surface.

In any of the above schemes, preferably, the height of the fixing foot is larger than or equal to the thickness of the LED lamp bead, and the inner diameter of the LED accommodating cavity is larger than or equal to the width of the LED lamp bead.

In any of the above schemes, preferably, the minimum linear distance between the opposite surfaces of the two fixing feet taking the center point of the base surface as a symmetrical point is greater than or equal to the width of the LED lamp bead.

In any of the above schemes, preferably, the second fixing surface is connected with the limiting block through a connecting piece, the limiting plate is annular and is located on the second fixing surface and surrounds the LED lamp bead, and the fixing feet can be placed in the limiting plate.

In any of the above aspects, the lens body is preferably provided with a controller.

In any one of the above schemes, preferably, a temperature sensor is arranged on the base surface, the output end of the temperature sensor is connected with the input end of the controller, and the output end of the controller is respectively connected with the input end of the LED lamp bead and the input end of the fixing pin through wires.

Compared with the prior art, the invention has the beneficial effects that:

the temperature sensor senses the temperature of the LED lamp beads in real time and then the controller controls the stretching and retracting of the height of the fixed foot, so that the LED lens is protected from deformation and damage due to temperature problems and is more practical.

The temperature of the LED lamp beads is sensed by the temperature sensor in real time, and then the brightness of the LED lamp beads is controlled by the controller, so that the possibility that the LED lamp beads are damaged due to long-time high-brightness work is reduced, and the LED lamp beads are more energy-saving and environment-friendly.

Thirdly, the bottom of the lens body is connected with a plurality of fixing feet with the same height, the height of each fixing foot is not smaller than the thickness of the LED lamp bead, and the minimum straight line distance between the opposite surfaces of the two symmetrical fixing feet is not smaller than the width of the LED lamp bead, so that the lens body is arranged above the LED lamp bead in an overhead manner, the contact between the lens body and the LED lamp bead is avoided, and the stability of the LED lamp bead is ensured; the LED lamp bead solves the problem that a chip contact gold wire implanted in the LED lamp bead is cracked to cause poor contact of the contact or the LED lamp bead is directly damaged because the LED lamp bead always bears corresponding pressure.

Drawings

The drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

FIG. 1 is a cross-sectional view of a preferred embodiment of an LED lens according to the present invention;

fig. 2 is a perspective view of a preferred embodiment of an LED lens according to the present invention.

The reference numbers in the figures illustrate:

10. a lens body; 11. an LED accommodating cavity; 12. a fixing leg; 100. a base surface; 120. a first fixing surface; 20. LED lamp beads; 30. a substrate; 31 a stopper; 300. a second stationary surface; 5. a temperature sensor; 6. and a controller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

For better understanding of the above technical solutions, the technical solutions of the present invention will be described in detail below with reference to the drawings and the detailed description of the present invention.

As shown in fig. 1, an LED lens includes a lens body 10, LED beads 20 and a substrate 30, wherein the lens body 10 is shaped like a hemisphere, and the lens body 10 is detachably covered on the substrate 30; LED lamp pearl 20 is located the lens body 10 and passes through the connecting piece with base plate 30 and be connected, the connecting piece is screw or bolt, adopts screw or bolted connection, can conveniently dismantle and make up, can improve packaging efficiency, for the structural strength of improve equipment, also can adopt the welded mode, can improve LED lamp pearl 20 with joint strength between the base plate 30 makes it more durable.

As shown in fig. 2, the lens body 10 includes a base surface 100, the base surface 100 is located at the bottom of the lens body 10 and is shaped like a circular ring, a cylindrical cavity formed by recessing along an inner edge of the base surface 100 toward the inside of the lens body 10 is an LED accommodating cavity 11, the LED lamp bead 20 is located inside the LED accommodating cavity 11, and when the lens body is operated, after the LED lamp bead 20 is turned on, the LED accommodating cavity 11 can refract light emitted by the LED lamp bead 20 and emit the light from above the lens body 10; a plurality of fixing pins 12 are circumferentially distributed on the base surface 100, and the lens body 10 is connected with the substrate 30 in an abutting manner through the fixing pins 12.

The fixing legs 12 are connected with the base surface 100 through connecting pieces, the connecting pieces are screws or bolts, the screws or bolts are adopted for connection, the disassembly and the assembly can be facilitated, the assembly efficiency can be improved, and in order to improve the structural strength, a welding mode can be adopted, the connection strength between the fixing legs 12 and the base surface 100 can be improved, and the fixing legs are more durable; a plurality of fixing legs 12 are arranged on the base surface 100 with a central point of the base surface 100 as a symmetrical point, so that a first fixing surface 120 is formed at the bottom of the plurality of fixing legs 12, and the first fixing surface 120 is parallel to the base surface 100; the number of the fixing feet 12 is at least 2N, wherein N is more than or equal to 1; this increases the force bearing points of the fixing legs 12, and enables the lens body 10 to be placed on the substrate 30 more stably.

The substrate 30 is a flat aluminum substrate, and the aluminum substrate can be used for effectively processing thermal diffusion in a circuit design scheme, so that the operating temperature of a module is reduced, the service life is prolonged, the power density and the reliability are improved, the assembly of a radiator and other hardware is reduced, the product volume is reduced, the hardware and the assembly cost are reduced, and a power circuit and a control circuit are optimally combined to achieve better mechanical durability; the one side that base plate 30 with LED lamp pearl 20 is connected is second stationary plane 300, first stationary plane 120 can be level and smooth the pressure on second stationary plane 300.

The height of the fixing feet 12 is not less than the thickness of the LED lamp bead 20, the inner diameter of the LED accommodating cavity 11 is not less than the width of the LED lamp bead 20, and the minimum straight-line distance between the opposite surfaces of the two fixing feet 12 taking the central point of the base surface 100 as a symmetrical point is not less than the width of the LED lamp bead 20; furthermore, fixed foot 12 directly with base plate 30 contact, because fixed foot 12 has maked somebody a mere figurehead lens body 10 makes lens body 10 can directly with LED lamp pearl 20 touches, can avoid lens body 10 with LED lamp pearl touches, prevents implant chip contact gold wire in the LED lamp pearl takes off and splits, and the contact that leads to is bad or LED lamp pearl is direct impaired, leaves over the hidden danger for the quality of whole lamp body.

The second fixing surface 300 is connected with the limiting block 31 through a connecting piece, the connecting piece is a screw or a bolt, the screw or the bolt is adopted for connection, the disassembly and the assembly can be facilitated, the assembly efficiency can be improved, and in order to improve the structural strength, a welding mode can also be adopted, the connection strength between the limiting block 31 and the second fixing surface 300 can be improved, so that the second fixing surface is more durable; the limiting plate 31 is annular and is located on the second fixing surface 300 and surrounds the LED lamp bead 20, the fixing leg 12 can be placed in the limiting plate, and the limiting block 31 can be used for limiting the displacement of the fixing leg 12.

The lens body 10 can be made of optical glass material, crystal material, transparent plastic material and other materials with light transmission property, and the optical glass material has the advantages of rich optical parameter characteristics, strong light transmission property, corrosion resistance and high temperature resistance, but has the defects of large volume, heavy weight, single shape and frangibility; the crystal material has the advantages of good light transmission, good high-temperature resistance, difficult oxidation and color change, higher hardness and piezoelectricity, but has the disadvantages of low production efficiency, high cost and difficult processing; the transparent plastic material has the advantages of good processing characteristics and high production efficiency; the light transmittance is high, but the defects are that the high temperature resistance is poor and the deformation is easy.

Example 1:

as shown in fig. 2, a controller 6 is arranged on the lens body 10, a temperature sensor 5 is arranged on the base surface 100, an output end of the temperature sensor 5 is connected with an input end of the controller 6, an output end of the controller 6 is respectively connected with an input end of the LED lamp bead 20 and an input end of the fixing pin 12 through wires, and the fixing pin 12 is a telescopic device and can perform telescopic motion in a supporting direction; when LED lamp pearl 20 operating temperature is too high, temperature sensor 5 with signal transmission extremely controller 6, and then controller 5 control fixed foot 12 is along supporting direction extension for LED lens is kept away from LED lamp pearl 20, simultaneously controller 5 control LED lamp pearl 20 luminance makes LED lamp pearl 20 luminance reduces, thereby can be in LED lens is protected under the condition of LED lamp pearl 20 high temperature, prevents that LED lens from damaging, timely will LED lamp pearl 20 luminance reduces, has avoided LED lamp pearl 20's trouble, can prolong LED lamp's duty cycle and life, more energy-concerving and environment-protective.

Example 2:

as shown in fig. 2, a controller 6 is arranged on the lens body 10, a temperature sensor 5 is arranged on the base surface 100, an output end of the temperature sensor 5 is connected with an input end of the controller 6, an output end of the controller 6 is respectively connected with an input end of the LED lamp bead 20 and an input end of the fixing pin 12 through wires, and the fixing pin 12 is a telescopic device and can perform telescopic motion in a supporting direction; when the working temperature of the LED lamp beads 20 is normal or stops working, the temperature sensor 5 transmits a signal to the controller 6, and then the controller 5 controls the fixed feet 12 to contract along the supporting direction, so that the fixed feet 12 contract to the height same as the thickness of the LED lamp beads 20, so that the LED lens is not in contact with the LED lamp beads 20, meanwhile, the controller 5 controls the brightness of the LED lamp beads 20 to enable the brightness of the LED lamp beads 20 to rise, so that the LED lamp can normally work to protect the LED lens, prevent the LED lens from being damaged, timely enable the brightness of the LED lamp beads 20 to rise, meet the requirement of the working brightness, prolong the working period and the service life of the LED lamp, and is more energy-saving and environment-friendly.

In summary, the LED lens provided by the invention has the following advantages:

one, pass through temperature sensor 5 perception in real time the temperature of LED lamp pearl 20, and then pass through controller 6 control is flexible the height of fixed foot 12 to protection LED lens does not warp the damage because of the temperature problem, and is more practical.

Secondly, through temperature sensor 5 perceives the temperature of LED lamp pearl 20 in real time, and then controls through the controller the luminance of LED lamp pearl 20 to reduce LED lamp pearl 20 because of the possibility of the work damage of long-time hi-lite, it is more energy-concerving and environment-protective.

Thirdly, the bottom of the lens body 10 is connected with a plurality of fixing feet 12 with equal height, the height of each fixing foot 12 is not smaller than the thickness of the LED lamp bead 20, and the minimum linear distance between the opposite surfaces of the two symmetrical fixing feet 12 is not smaller than the width of the LED lamp bead 20, so that the lens body 10 is arranged right above the LED lamp bead 20 in an overhead manner, the contact between the lens body 10 and the LED lamp bead 20 is avoided, and the stability of the LED lamp bead 20 is ensured; the problem of because LED lamp pearl 20 bears corresponding pressure all the time to lead to the chip contact gold wire that implants in LED lamp pearl 20 to come off and split, make contact failure or LED lamp pearl 20 directly impaired is solved.

Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.