CN207906868U - Light distribution element, light source module group, light distribution mechanism and illuminator - Google Patents

Abstract

The present application discloses a light distribution element, which includes a main body of the light distribution element and at least one fixing part provided on the main body of the light distribution element. The part includes an elastic buckle and/or a buckle recess for snapping and fixing with the chassis. The application also discloses a light source module, a light distribution mechanism and a lighting fixture. The above solution can solve the problem that the installation of the light distribution elements in the current lighting fixtures is complicated.

Description

Light distribution components, light source modules, light distribution mechanisms and lighting fixtures

technical field

The present application relates to the technical field of lamp design, in particular to a light distribution element, a light source module and a lighting lamp.

Background technique

As people have higher and higher requirements for ambient lighting, the performance of lighting fixtures has also been greatly improved. At present, there are many types of lighting fixtures, and ring-emitting lighting fixtures are a relatively common one. A circle of light-emitting units (such as LED lights) are arranged inside this kind of lighting fixtures. The light-emitting unit is covered with a light distribution element to realize light. The divergence is emitted.

However, in actual use, under the action of the light distribution element, each light-emitting unit projects light towards the center of the lighting fixture, and these lights will be superimposed on the center of the lighting fixture, thereby making the center of the lighting fixture extremely bright. And other positions of lighting fixture, especially the position near its edge on lighting fixture then light is darker. Obviously, the lighting fixture with this structure has the problem of uneven light emission, which directly affects its lighting effect.

In addition, in the process of assembling the light distribution element of the current lighting fixture with the chassis of the lighting fixture, it is usually connected by twisting and twisting a threaded connector. The operation during the assembling process is relatively cumbersome, which affects the use of the user.

Utility model content

The present application provides a light distribution element to solve the problem of complicated installation of the light distribution element in current lighting fixtures.

In order to solve the above problems, the application adopts the following technical solutions:

The light distribution element includes a main body of the light distribution element and at least one fixing part provided on the main body of the light distribution element, and the fixing part is used to be combined with the chassis of the lighting fixture by rotating and buckling; The elastic buckle and/or the buckle and/or the buckle that is fixed to the above-mentioned chassis.

The light source module includes a substrate, at least two light-emitting units and a light distribution element, at least two of the light-emitting units are arranged on the substrate, the substrate is fixed on the light distribution element, and the light distribution element is covered with On at least two of the light emitting units, the light distribution element is the above-mentioned light distribution element.

The lighting fixture includes a lampshade, a chassis, a driver and the above-mentioned light source module, the substrate is fixedly connected to the light distribution element, the driver is electrically connected to the substrate, and the lampshade is fixed on the chassis , and form a light mixing cavity with the chassis, the light distribution element and the driver are both arranged in the light mixing cavity, one of the chassis and the light distribution element includes an elastic buckle, and the other The other is provided with a clamping depression, and the elastic buckle and the clamping depression are clamped and fixed with the relative rotation of the light distribution element and the chassis.

The light distribution mechanism includes a chassis and a light distribution element, the light distribution element includes a light distribution element body and at least one fixing part arranged on the light distribution element body, the fixing part can rotate relative to the chassis, and Among the fixing part and the chassis, one includes an elastic buckle, and the other includes a buckle, and the elastic buckle can engage with the buckle as the light distribution element rotates relative to the chassis. Cooperate.

A lighting fixture, including a lampshade, a substrate, a driver, at least two light-emitting units, and the above-mentioned light distribution mechanism, the substrate is fixedly connected to the light distribution element, the driver is electrically connected to the substrate, and the lampshade It is fixed on the chassis and forms a light mixing cavity with the chassis, and the light distribution mechanism and the driver are both arranged in the light mixing cavity.

The above at least one technical solution adopted in the present application can achieve the following beneficial effects:

1) In the light distribution element disclosed in this application, the main body of the light distribution element is covered on at least two light-emitting units, the light emitted by the light-emitting units enters the main body of the light distribution element from the light-incident surface, and the main body of the light distribution element enters into the main body of the light distribution element from the inside. The first deflection angle at which the corresponding part of the light surface deflects the light is relatively small, while the second deflection angle at which the light is deflected at the part corresponding to the outer light incident surface on the main body of the light distribution element is relatively large. The light will be projected in the direction of the edge away from the center of the light distribution element, so that the center light converging on the light distribution element is less, which can improve the uniformity of lighting of the lighting fixture, and then reduce the light formed after passing through the light distribution element. The brightness difference of the surface;

2) In the light distribution element disclosed in the present application, the fixed part of the light distribution element can be combined with the chassis of the lighting fixture through rotating buckle, so as to realize the fixed assembly of the light distribution element and the chassis. This assembly method can facilitate the user to assemble the light distribution element.

Description of drawings

The drawings described here are used to provide a further understanding of the application and constitute a part of the application. The schematic embodiments and descriptions of the application are used to explain the application and do not constitute an improper limitation to the application. In the attached picture:

Fig. 1 is a schematic structural diagram of a lighting fixture disclosed in an embodiment of the present application;

Fig. 2 is a schematic structural diagram of the annular light distribution element disclosed in the embodiment of the present application;

Fig. 3 is a partial cross-sectional view of the lighting fixture disclosed in the embodiment of the present application;

Fig. 4 is a schematic diagram of the deflection of light by the structure shown in Fig. 3;

Fig. 5 is a partial structural schematic diagram of the lighting fixture disclosed in the embodiment of the present application;

Fig. 6 is a structural schematic diagram of the chassis in the lighting fixture shown in Fig. 5;

Fig. 7 is a schematic diagram of the structure after the chassis and the annular light distribution element are assembled;

Fig. 8 is a schematic structural diagram of Fig. 7 under another viewing angle;

Fig. 9 is a cross-sectional view of Fig. 8 under a section;

Fig. 10 is a schematic structural diagram of another light distribution element disclosed in the embodiment of the present application;

FIG. 11 and FIG. 12 are structural schematic diagrams of another light distribution element disclosed in the embodiment of the present application under different viewing angles.

Explanation of reference signs:

100-light distribution element, 110-light distribution element main body, 110'-light distribution element main body, 110"-light distribution element main body, 111-accommodating space, 111'-accommodating space, 111"-accommodating space, 112-incoming light Surface, 112a-inner light incident surface, 112b-outer light incident surface, 112c-top boundary, 113-light exit surface, 120-positioning part, 121-positioning groove, 122-radiation groove, 130-fixing part, 130'- Fixed part, 130″-fixed part, 131-elastic buckle, 132-limiting part, 133-spare connection hole, 140-lug, 200-light-emitting unit, 300-chassis, 310-substrate, 311-sub-substrate, 312-electrical connection part, 320-clamping depression, 330-guide depression, 400-lampshade, 500-light mixing chamber, 600-driver.

Detailed ways

In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

The technical solutions provided by various embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.

Please refer to Figures 1-9, the embodiment of the present application discloses a light distribution element 100, the disclosed light distribution element 100 can be set on the light emitting unit 200 of the lighting fixture, and then the light projected by the light emitting unit 200 can pass through, Finally, light distribution is implemented for the light emitting unit 200 .

The disclosed light distribution element 100 may include a light distribution element main body 110. The light distribution element main body 110 is the main component of the light distribution element 100, which can provide an installation basis for other components of the light distribution element 100, and can also serve as the light emitting unit 200 An accommodation space 111 is provided. Specifically, the light distribution element 100 may be a ring-shaped light distribution element, and the ring-shaped light distribution element may be installed on at least two light-emitting units 200 arranged in a circle on the lighting fixture. Correspondingly, the accommodation space of the light distribution element body 110 111 is an annular accommodation space.

In the embodiment of the present application, the main body 110 of the light distribution element may have a receiving space 111 and a light incident surface 112 and a light output surface 113 respectively located on two sides of the main body 110 of the light distribution element.

The accommodating space 111 is used for accommodating the light emitting unit 200 , the inner wall of the accommodating space 111 is the light incident surface 112 , and the outer wall of the accommodating space 111 is the light emitting surface 113 . In a specific implementation manner, on the premise that the accommodation space 111 is an annular accommodation space, the annular accommodation space can accommodate at least two light emitting units 200 distributed along its circumference.

The light incident surface 112 of the light distribution element 100 may include an inner light incident surface 112a and an outer light incident surface 112b. The inner light incident surface 112a is located inside the outer light incident surface 112b. It can be understood that the inner light incident surface 112a is As far as the light incident surface 112b is concerned, the distance from the center of the lighting fixture is relatively small.

In a specific implementation, on the premise that the light distribution element 100 is an annular light distribution element, the light incident surface 112 may include an inner light incident surface 112a close to the center of the annular light distribution element and an inner light incident surface 112a away from the center of the annular light distribution element. The outer light incident surface 112b.

In this application, the light emitted by the light emitting unit 200 can enter the main body 110 of the light distribution element from the light incident surface 112, and then exit from the light exit surface 113. The part of the light distribution element main body 110 opposite to the inner light incident surface 112a deflects the light projected by the light emitting unit 200 at a first deflection angle a, and the part of the light distribution element main body 110 opposite to the outer light incident surface 112b The deflection angle for deflecting light is the second deflection angle b, and the first deflection angle a may be smaller than the second deflection angle b.

In the light distribution element 100 disclosed in the embodiment of the present application, the light distribution element main body 110 is covered on the light emitting unit 200, and the light emitted by the light emitting unit 200 enters the light distribution element main body 110 from the light incident surface 112, and the light distribution element main body 110 The first deflection angle a for deflecting the light at the part corresponding to the inner light-incident surface 112a can be small, and the second deflection angle a for deflecting the light at the part corresponding to the outer light-incident surface 112b on the light distribution element main body 110 The folding angle b can be larger. In this case, more light will be projected toward the edge direction away from the center of the ring-shaped light distribution element 100, so that less light converges on the inner side of the light distribution element 100, and finally the lighting fixture can be improved. uniformity of light emission.

Of course, on the premise that the light distribution element 100 is a ring-shaped light distribution element, the relationship between the first deflection angle a and the second deflection angle b can make the central light converged on the ring-shaped light distribution element less, thereby improving the performance of the lighting fixture. Uniformity of light emission, thereby reducing the brightness difference of the light surface formed after passing through the annular light distribution element.

In the light distribution element 100 disclosed in the embodiment of the present application, the main body 110 of the light distribution element may include a plurality of accommodation spaces 111 , or may include one accommodation space 111 . Each accommodating space 111 can cover at least two light emitting units 200 for light distribution, and each accommodating space 111 can also cover a single light emitting unit 200 . Taking the light distribution element 100 as an example of an annular light distribution element, the accommodating space 111 is an annular accommodating space. In this case, compared to implementing a separate light distribution for each light emitting unit 200 using a light distribution element, this structure The annular light distribution element of the present invention has smaller volume, fewer consumables, and lower manufacturing cost, and the overall light distribution of at least two light-emitting units 200 can be realized by installing one annular light distribution element, which will undoubtedly improve the light distribution efficiency, and The assembly efficiency of the light distribution element 100 can also be improved.

In addition, the annular accommodating space is used to accommodate at least two light emitting units 200. Since it is an annular space, a more free arrangement of the light emitting units 200 can be realized, which is convenient for users to assemble light emitting units 200 of different densities. Obviously, this application The annular light distribution element disclosed in the embodiments can better meet more lighting needs of users.

Since the first deflection angle a can be smaller than the second deflection angle b, the light distribution element 100 disclosed in the embodiment of this application can make more light projected toward the periphery of the light distribution element 100 , so the light distribution element disclosed in this application The light distribution coverage of 100 is wider, and users can match lampshades of different sizes on the chassis 300 of the same size. It can be seen that the light distribution element 100 disclosed in the embodiment of the present application, especially the annular light distribution element, can adapt to lighting fixtures with a wide range of sizes and has good adaptability.

Both the light incident surface 112 and the light exit surface 113 may be curved surfaces. As shown in FIG. 3 , the radius of curvature of the inner light incident surface 112a can be smaller than that of the outer light incident surface 112b, and the adjustment of the light deflection angle can be realized by adjusting the curvature of the inner light incident surface 112a and the outer light incident surface 112b. The light-emitting surface 113 may be a symmetrical curved surface. Herein, the light-emitting surface 113 is a symmetrical curved surface means that the inner and outer sides of the light-emitting surface 113 are symmetrical.

The light distribution element 100 may be an integral structure. The light distribution element 100 disclosed in the embodiment of the present application may be an integrated structural member made of a light-transmitting material. Specifically, the light distribution element 100 may be injection-molded from a PC (Polycarbonate, polycarbonate) material.

On the premise that the light-incident surface 112 is a curved surface, in a specific implementation manner, the light-incident surface 112 may have a top boundary line 112c with the largest distance from the light-emitting unit 200, and the light-incident surface 112 is located inside the top boundary line 112c. The area is the inner light incident surface 112a, and the area on the light incident surface 112 outside the top boundary line 112c is the outer light incident surface 112b. It should be noted that, in this application, the top boundary line 112c refers to the line connecting the vertices of the curve formed by the light incident surface 112 along the transverse section of the light distribution element 100, and the section direction of the transverse section is consistent with the light projection of the light emitting unit 200. The same direction. Of course, the inner light incident surface 112a and the outer light incident surface 112b can also be separated by other structures, as long as the size relationship between the first deflection angle a and the second deflection angle b can meet the requirements of the above-mentioned embodiments of the present application. .

On the premise that the light distribution element 100 is a ring-shaped light distribution element, as shown in FIG. 3 , the top boundary line 112c can be located on the inside of the same circle where the optical axes of all light emitting units 200 are located, and the top boundary line 112c can be aligned with all the optical axes. The circumference of is concentrically distributed, and the distance between them is a set distance, which is greater than zero. Specifically, the distance between the top boundary line 112c and the circumference where all the optical axes are located may be 1 mm.

In order to make the light output of the lighting fixture more uniform, in the embodiment of the present application, the surface of the light output surface 113 may be provided with astigmatism lines.

Please refer to FIG. 3 or 4 again. The light distribution element 100 disclosed in the embodiment of the present application may further include a positioning part 120, and the positioning part 120 may be connected to the main body 110 of the light distribution element. Specifically, the positioning part 120 may be connected to the main body of the light distribution element. 110 bottom. The positioning part 120 is used for positioning and matching with the chassis 300 of the lighting fixture. Specifically, the positioning part 120 can have a positioning groove 121, and the positioning groove 121 can be positioned and matched with the substrate 310 protruding from the chassis 300. The substrate 310 is usually a PCB board. It is used to install the light emitting unit 200 and supply power to the light emitting unit 200 at the same time.

Specifically, a heat dissipation groove 122 may be provided at the bottom of the positioning groove 121 , and the heat dissipation groove 122 may be located between the accommodating space 111 and the positioning groove 121 and communicated with the accommodating space 111 . As mentioned above, the accommodation space 111 may be an annular accommodation space. At least two light emitting units 200 may be located in the heat dissipation groove 122 . The heat sink 122 can better dissipate heat for the light emitting unit 200 . In a preferred solution, in the extension direction from the inside of the light distribution element 100 to the outside (that is, in the radial direction of the light distribution element 100), the width of the heat dissipation groove 122 can be greater than the width of the accommodation space 111, and the side wall of the heat dissipation groove 122 and the light emitting unit A heat dissipation gap can be formed between the 200, and this structure can achieve better heat dissipation.

The light distribution element 100 disclosed in the embodiment of the present application may further include at least one fixing part 130, which is arranged on the main body 110 of the light distribution element. Specifically, the fixing part 130 may be connected with the positioning part 120, that is, the fixing part 130 is arranged on the positioning part 120. The fixing part 130 is used to fix the light distribution element 100 on the chassis 300 of the lighting fixture.

Preferably, there may be at least two fixing parts 130 , and at least two fixing parts 130 can realize more balanced fixing between the light distribution element 100 and the chassis 300 . At least two fixing parts 130 may be discretely distributed on the inner edge of the light distribution element main body 110 . In a specific implementation manner, the light distribution element 100 is a ring-shaped light distribution element, and there can be three fixing parts 130, and the three fixing parts 130 can be evenly distributed in the circumferential direction of the inner edge of the light distribution element main body 110. The present application does not limit the specific number of fixing parts 130 .

The fixing part 130 may include a magnetic installation element and/or a threaded connection, and the magnetic installation element and/or the threaded connection can be fixedly connected with the chassis 300 , thereby realizing the fixing of the light distribution element 100 .

The light distribution element 100 can also be fixedly connected to the chassis 300 in other ways. As mentioned above, the light distribution element 100 includes at least one fixing portion 130 , which can be disposed on the circumference of the light distribution element main body 110 , and the fixing portion 130 can realize a fixed connection with the chassis 300 . Please refer to FIGS. 5-9 , in a specific implementation manner, the fixing part 130 can be rotated relative to the chassis 300 so as to realize the rotation buckle combination with the chassis 300 . Among the fixing part 130 and the chassis 300 , one includes an elastic buckle 131 , and the other includes a locking recess 320 . Specifically, the fixing part 130 includes an elastic buckle 131 , and the chassis 300 includes a buckling recess 320 . The elastic buckle 131 is engaged and fixed with the engaging recess 320 . During the installation process, the operator can realize the fixed connection between the fixing part 130 and the chassis 300 through the clamping and fixing between the elastic buckle 131 and the clamping recess 320 . The fixing part 130 may include an elastic buckle 131 and/or a buckling recess 320 for buckling and fixing with the chassis 300 . One end of the fixing part 130 can be fixed on the main body 110 of the light distribution element, and the other end is an elastic free end, and the elastic free end includes an elastic buckle 131 or a buckle depression 320 .

In a specific implementation manner, only the elastic buckle 131 may be provided on the fixing part 130, and correspondingly, only the snap-in depression 320 may be provided on the chassis 300, and the elastic buckle 131 and the snap-in depression 320 are snapped together to realize light distribution. The component 100 is clamped and fixed with the chassis 300 .

In another specific implementation manner, only the locking recess 320 may be provided on the fixing part 130 , and correspondingly, only the elastic buckle 131 may be provided on the chassis 300 .

In yet another specific embodiment, the fixing part 130 may be provided with an elastic buckle 131 and a buckling depression 320, and the chassis 300 may also be provided with an elastic buckle 131 and a buckling depression 320. 320 can be combined with the elastic buckle 131 on the other through the relative rotation of the light distribution element 100 and the chassis 300 to achieve a rotational buckle combination, thereby realizing the fixed assembly of the light distribution element 100 and the chassis 300 .

Please refer to FIG. 9 again, the fixing part 130 may include a spare connecting hole 133, and the spare connecting hole 133 is used to be fixedly connected to the chassis 300 through the above-mentioned threaded connection. In a preferred solution, the fixing part 130 may include a snap-in structure (elastic buckle 131 or snap-in recess 320) and a spare connection hole 133, and the user can choose from two ways of snap-in fixation and screw connection fixation, or even simultaneously Use the above two fixing methods. The fixing portion 130 with such a structure can enable the light distribution element 100 to be assembled with various chassis 300 having different fixing connection methods. For example, when the chassis 300 has only threaded connection holes, the light distribution element 100 can be matched with the threaded connection holes through the threaded connection piece matched with the spare connection hole 133 , so as to achieve fixed assembly. When the chassis 300 only has the engaging recess 320 , the light distribution element 100 can be engaged and fixed with the engaging recess 320 through the elastic buckle 131 , and then assembled.

In another specific implementation manner, the fixing part 130 may include a mounting hole, and a magnetic part may be installed in the mounting hole, and the magnetic part may be adsorbed and fixed to the chassis 300 . For example, when the chassis 300 is an iron chassis or the chassis 300 has iron connectors, the light distribution element 100 can be adsorbed and fixed to the chassis 300 through magnetic pieces.

Similarly, the fixing part 130 can have at least one of the installation hole, the spare connection hole 133 and the snap-in structure (the elastic buckle 131 or the snap-in recess 320), so that the light distribution element 100 can be realized in various ways. Fixed assembly with chassis 300 . This kind of structure can better make the light distribution element 100 adapt to more chassis 300 with different assembly methods. Obviously, this can greatly improve the practicability of the light distribution element 100.

Please refer to FIGS. 5-9. In another solution, in the lighting fixtures to which the light distribution element 100 disclosed in the embodiment of the present application is applied, the light distribution mechanism of the lighting fixture may include a chassis 300 and a light distribution element 100. The light distribution element 100 Comprising the main body 110 of the light distribution element and at least one fixing part 130 , the light distribution element 100 can rotate relative to the chassis 300 , and the fixing part 130 can rotate together with the light distribution element 100 . The fixing part 130 is combined with the chassis 300 by rotating and buckling.

Among the fixing part 130 and the chassis 300, one can include an elastic buckle 131, and the other can include a buckling recess 320. The elastic buckle 131 can rotate with the light distribution element 100 to a position fixedly fitted with the buckling recess 320, and then The fixed assembly of the light distribution element 100 and the chassis 300 is realized.

As mentioned above, there is at least one fixing portion 130 , so there is also at least one elastic buckle 131 or locking recess 320 . In a specific implementation manner, the number of the elastic buckles 131 is three, the number of the engaging depressions 320 is three, and the three elastic buckles 131 are matched with the three engaging depressions 320 one by one.

During the assembly process of the above method, the operator only needs to grasp the light distribution element 100 so that the elastic buckle 131 is snapped into the snap-fit recess 320 , which can improve the assembly efficiency of the lighting fixture. Of course, in the disassembly process, it is only necessary to disengage the elastic buckle 131 from the engaging recess 320 to realize the disassembly. It can be seen that the above light distribution mechanism can also improve the disassembly efficiency of the lighting fixture.

In the above light distribution mechanism, the fixing part 130 may include an elastic buckle 131 , and the chassis 300 may include a locking recess 320 .

In a specific implementation manner, the chassis 300 may include a guide recess 330 extending along the rotation direction of the fixing part 130, the guide recess 330 has a top opening, the fixing part 130 extends into the guide recess 330 from the top opening, and can follow the light distribution element 100 rotates along the guiding recess 330 , the light distribution element 100 rotates relative to the chassis 300 , and then drives the fixing part 130 to rotate in the guiding recess 330 . The guiding recess 330 has an open end, and the elastic buckle 131 can pass through the open end as the fixing part 130 rotates, and can be snapped into the engaging recess 320 from the back of the chassis 300 . It should be noted that the chassis 300 includes a back side and a front side. The back side refers to the side surface of the chassis 300 away from the light distribution element 100 , and the front side refers to the side surface of the chassis 300 facing the light distribution element 100 .

During the specific assembly process, the operator grasps the light distribution element 100 so that the fixed part 130 protrudes into the guide recess 330 from the top opening of the guide recess 330, and then controls the rotation of the light distribution element 100, so that the fixed part 130 is positioned in the guide recess 330. 330, as the rotation proceeds, the elastic buckle 131 will unscrew from the open end of the guide recess 330, thereby entering the back side of the chassis 300. When the depression 320 is in the opposite position, the elastic buckle 131 enters into the clamping depression 320 from the back of the chassis 300 under the action of its deformation elastic force, and finally realizes the fixed connection.

In a preferred solution, the fixing portion 130 may have a limiting portion 132 that is limitedly fitted with the open end, as shown in FIG. 9 . During the rotation process, the limiting part 132 will limitly cooperate with the open end, and when the two are in the position of limiting cooperation, the elastic buckle 131 will be engaged with the engaging recess 320 . The limiting portion 132 can prevent the fixing portion 130 from over-rotating and turning over the locking recess 320 , thereby avoiding assembly failure.

In order to realize fool-proofing, in a preferred solution, one end of the guiding recess 330 is a closed end, and the other end is the above-mentioned open end. In order to improve the compactness of the fit, the guide recess 330 is an arc-shaped passage, and the fixing part 130 is an arc-shaped piece. During the rotation of the light distribution element 100, the arc-shaped piece rotates in the arc-shaped passage, which can ensure a large rotation stroke , Of course, this matching structure can ensure the stability of the rotation process.

During the dismounting process, the operator can operate the elastic buckle 131 to make it elastically deform, and then make the elastic buckle 131 disengage from the locking recess 320, and then rotate the light distribution element 100 in the opposite direction to the installation rotation direction, thereby Turn the elastic buckle 131 to the guiding recess 330 and move out from the top opening of the guiding recess 330 .

In the embodiment of the present application, the engaging recess 320 may be an engaging groove, or may also be an engaging hole. In order to facilitate the operator's disassembly operation, in a preferred solution, the locking recess 320 is a locking hole penetrating through the chassis 300 in the thickness direction. In this case, the operator can use a tool to push the elastic buckle 131 out of the locking recess 320 from the front to the back of the chassis 300 .

In order to facilitate the assembly or disassembly of the elastic buckle 131 , in a preferred solution, the elastic buckle 131 has a guiding slope for sliding into or sliding out of the locking recess 320 . The guide slope acts as a smooth guide.

In a preferred solution, the fixing part 130 is an elastic arm structure with one end fixed on the main body 110 of the light distribution element, and the other end is an elastic free end, and the elastic free end includes an elastic buckle 131 . The elastic structure of the fixing part 130 is more favorable for the operator to control the deformation of the elastic buckle 131 , thereby facilitating the disassembly of the light distribution element 100 .

As mentioned above, the accommodating space of the main body 110 of the light distribution element can cover one light emitting unit 200 , or can cover at least two light emitting units 200 . Please refer to Fig. 10, Fig. 10 is another light distribution element structure, the light distribution element main body 110' of the light distribution element has a plurality of accommodating spaces 111' distributed in an array, and each accommodating space 111' can be covered with For one light emitting unit, the distribution of the light emitting units on the substrate of the lighting fixture is the same as the arrangement of the accommodating space 111 ′, and can be in one-to-one correspondence. The main body 110' of the light distribution element is provided with a fixing part 130', and the fixing part 130' may have the same structure as the fixing part 130 shown in Figs. 1-9. The light distribution element shown in FIG. 10 can also rotate relative to the chassis of the lighting fixture to which it is applied, and then realize the fixed connection with the chassis through the combination of the fixing part 130 ′ and the rotating buckle of the chassis.

As mentioned above, the light distribution element 100 can be a ring-shaped light distribution element, of course, the light distribution element 100 can also be in other shapes, please refer to Figure 11 and Figure 12, the light distribution element can be a square frame structure, correspondingly, the distribution The receiving space 111 ″ of the light element main body 110 ″ may be a square receiving space, and the square receiving space may cover at least two light emitting units 200 . The light distribution element main body 110" can be provided with a fixed part 130", and the fixed part 130" can have the same structure as the fixed part 130 or the fixed part 130' shown in Figures 1-10. The light distribution element shown in Figures 11-12 It can also be rotated relative to the lamp holder of the lighting fixture to which it is adapted, and then the fixing part 130 ″ is clamped and fixed with the chassis to realize a fixed connection with the chassis.

In the embodiment of the present application, the light distribution element 100 may be a component such as an annular lens, an annular diffusion mask, etc. that can realize light distribution for a lamp and allow the light projected by the light emitting unit 200 to pass through.

In the lighting fixture to which the light distribution element 100 disclosed in the embodiment of the present application is applied, the light source module of the lighting fixture may include a substrate 310, a light distribution element 100 and at least two light emitting units 200, wherein the light distribution element 100 is the above In the light distribution element 100 described in the embodiment, the substrate 310 is fixed on the light distribution element 100, the light distribution element 100 is covered on at least two light-emitting units 200, and the at least two light-emitting units 200 are arranged on the substrate 310 and arranged on the Inside the accommodation space 111 of the light distribution element 100 .

In a preferred solution, on the premise that the light distribution element 100 is a ring-shaped light distribution element, at least two light emitting units 200 can be discretely and uniformly arranged in the accommodation space 111 , so as to achieve more uniform light emission. As mentioned above, the accommodation space 111 may be an annular accommodation space.

The substrate 310 is the basis for installing the light emitting unit 200 and supplies power to the light emitting unit 200 . Usually, the substrate 310 is a PCB board. Specifically, the substrate 310 is a ring-shaped substrate with an integral structure, and thus can better adapt to the light emitting units 200 distributed in the accommodation space 111 . Generally, in order to simplify manufacturing, the substrate 310 may include at least two sub-substrates 311 , and the at least two sub-substrates 311 are butted together to form the entire substrate. When the light distribution element 100 is a ring-shaped light distribution element, the substrate 310 is a ring-shaped substrate, which can better accommodate at least two light-emitting units 200 distributed in a ring shape. Correspondingly, the substrate 310 may include at least two sub-substrates 311 in an arc-shaped structure, and the at least two sub-substrates 311 are butted one by one to form a ring structure, thereby providing an installation basis for at least two light-emitting units 200, as shown in FIG. 5 .

Dividing the substrate 310 into at least two sub-substrates 311 can facilitate the installation and local maintenance of the substrate 310, and at the same time, the at least two sub-substrates 311 can save board materials.

Please refer to FIG. 2 and FIG. 5 again, in order to facilitate the electrical connection of at least two sub-substrates 311 , in the present application, at least two protruding lugs 140 protruding along the edge of the light distribution element 100 may be provided on the outside of the light distribution element 100 . On the premise that the light distribution element 100 is a ring-shaped light distribution element, the lug 140 can protrude outward from the outer edge of the light distribution element body 110 in the radial direction of the light distribution element body 110, and the joints between the two adjacent sub-substrates 311 are uniform. It includes a protruding electrical connection portion 312 , the so-called protruding refers to protruding to the outside of the sub-substrate 311 . The lug 140 is used to cover the electrical connection part 312 . Specifically, the electrical connection portion 312 may be a wire, a solder layer, or an electrical connector, and the present application does not limit the specific type of the electrical connection portion 312 . In this paper, the so-called covering means that in the projection plane perpendicular to the chassis 300, the projection of the electrical connection part 312 is located within the projection range of the lug 140, which can protect the electrical connection part 312 and improve lighting. The appearance of the luminaire after assembly.

The arrangement of the lugs 140 can guide the electrical connection of two adjacent sub-substrates 311 to one side of the substrate 310, without causing the joints of the two adjacent sub-substrates 311 to be occupied, thereby enabling the substrate 310 to have more space To arrange the light emitting unit 200 .

Specifically, there may be three lugs 140 , and the three lugs 140 may be discretely and evenly arranged on the outer edge of the light distribution element 100 .

Similarly, the light distribution element 100 disclosed in the embodiment of the present application may include a plurality of sub-light distribution parts, and the plurality of sub-light distribution parts may be spliced to form the entire light distribution element 100 . On the premise that the light distribution element 100 is a ring-shaped light distribution element, the light distribution element 100 may include a plurality of arc-shaped sub-light distribution parts, and the splicing of the plurality of arc-shaped sub-light distribution parts can form a ring-shaped light distribution element.

Based on the light distribution element 100 disclosed in the embodiment of the present application, the light distribution element 100 disclosed in the embodiment of the application is applied to the lighting fixture, and the light source assembly of the lighting fixture may include the chassis 300 and the light source module described above, wherein , the substrate 310 is fixed on the light distribution element 100, and the light distribution element 100 and the chassis 300 can be combined by rotating and buckling, thereby realizing the fixed assembly of the two.

Please refer to Figures 1-8 together. Based on the light source module described above, the embodiment of the present application also discloses a lighting fixture. The disclosed lighting fixture includes a chassis 300, a driver 600, a lampshade 400 and the above-mentioned The light source module, the substrate 310 of the light source module is fixedly connected with the light distribution element 100 . The driver 600 is electrically connected to the substrate 310 , and then drives the light emitting unit 200 to start after being powered on. The lampshade 400 is fixed on the chassis 300, and forms a light mixing cavity 500 with the chassis 300. The chassis 300 and the light distribution element 100 can be rotated relative to each other to achieve a snap-fit combination. Specifically, among the chassis 300 and the light distribution element 100, one includes an elastic buckle 131, and the other is provided with a locking recess 320, and the elastic buckle 131 and the locking recess 320 follow the relative rotation of the light distribution element 100 and the chassis 300. And realize clamping and fixing.

The driver 600 may be disposed at the center of the chassis 300 and within the area of the light distribution element 100 . Certainly, the driver 600 may not be arranged at the center of the chassis 300 , but may also be arranged outside the light distribution element 100 . Generally, on the premise that the light distribution element 100 is a ring light distribution element, the driver 600 can be disposed in the area surrounded by the ring light distribution element. Preferably, the driver 600 may be located in the center of the area enclosed by the ring-shaped light distribution element.

Based on the above-mentioned light distribution mechanism, the embodiment of the present application also discloses a lighting fixture. The disclosed lighting fixture includes a lampshade 400, a substrate 310, a driver, at least two light-emitting units 200, and the above-mentioned light distribution mechanism , wherein the substrate 310 is fixedly connected to the light distribution element 100, the driver is electrically connected to the substrate 310, the lampshade 400 is fixed on the chassis 300, and forms a light mixing cavity with the chassis 300, and the light distribution mechanism and the driver are both arranged in the light mixing cavity.

In the lighting fixture disclosed in the embodiment of the present application, the cover surface of the lampshade 400 opposite to the light projection direction of the light source module (also can be considered as the light projection direction of the light emitting unit 200) can be a plane, as shown in FIG. 1 , or can be Commonly used convex curved surface. On the premise that the cover surface is a convex arc surface, in a preferred solution, the distance between the apex of the arc surface and the plane where the light-emitting centers of at least two light-emitting units are located is the first distance, and the edge height of the lampshade 400 is The second distance, the first distance and the second distance satisfy the following relationship: A≥B≥0.9A, where A is the first distance and B is the second distance. It has been verified that under the above relationship, the lighting fixture disclosed in the present application has better uniformity.

In the embodiment of the present application, the light emitting unit 200 may be an LED lamp, and the LED lamp has the advantages of low energy consumption, long service life, relatively stable light emission, and the like.

In the present application, the shape of the lighting fixture can be circular, square, irregular polygon, etc., which is not limited in the present application.

Herein, as long as there is no contradiction, the technical features in each preferred solution can be combined to form a solution, and these solutions are all within the scope of the disclosure of this application.

In this article, each preferred solution only focuses on the difference from other preferred solutions. As long as there is no conflict, each preferred solution can be combined arbitrarily, and the embodiment formed after the combination is also within the scope disclosed in this specification. Considering The text is concise, and the embodiment formed by the combination will not be described separately in this article.

The above descriptions are only examples of the present application, and are not intended to limit the present application. For those skilled in the art, various modifications and changes may occur in this application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included within the scope of the claims of the present application.

Claims (41)

1. light distribution element, which is characterized in that including light distribution element main body and be arranged in the light distribution element main body at least one A fixed part, the fixed part with the chassis rotary buckle of illuminator for being combined；The fixed part include for it is described The Elastic buckle and/or clamping recess that chassis connects and fixes.

2. light distribution element according to claim 1, which is characterized in that one end of the fixed part is fixed on the light distribution member In part main body, the other end is elastic free end, and the elastic free end includes the Elastic buckle.

3. light distribution element according to claim 1, which is characterized in that the quantity at least two of the fixed part, at least Two fixed parts are discrete to be distributed on the inside edge of the light distribution element main body.

4. light distribution element according to claim 1, it is characterised in that：

The fixed part includes spare connecting hole, and the spare connecting hole is for being connected through a screw thread part and the chassis stationary phase Even；Or/and

The fixed part includes mounting hole, and magnetic part is equipped in the mounting hole, and the magnetic part is used to inhale with the chassis Attached fixation.

5. light distribution element according to claim 1, which is characterized in that the light distribution element is annular light distribution element.

6. light distribution element according to claim 5, which is characterized in that the light distribution element main body has annular accommodation space And it is located at the incidence surface and light-emitting surface of light distribution element main body both sides, the annular accommodation space is for accommodating at least Two along its circumferentially distributed luminescence unit, the inner wall of the annular accommodation space is the incidence surface；It is at least one described solid Determine portion to be arranged on the circumference of the light distribution element main body.

7. light distribution element according to claim 6, which is characterized in that the incidence surface includes close to the light distribution element The inside incidence surface at center and outside incidence surface far from the center, in the light distribution element main body with the inside incidence surface The deflection angle for the deflection of light that opposite position projects the luminescence unit is the first deflection angle, the light distribution element main body The upper position opposite with the outside incidence surface is the second deflection angle to the deflection angle of deflection of light, and first deflection angle is less than Second deflection angle.

8. light distribution element according to claim 7, which is characterized in that the incidence surface and the light-emitting surface are curved surface.

9. light distribution element according to claim 8, which is characterized in that the radius of curvature of the inside incidence surface is less than described The radius of curvature of outside incidence surface.

10. light distribution element according to claim 9, which is characterized in that the light-emitting surface is symmetroid.

11. light distribution element according to claim 8, which is characterized in that the incidence surface has away from the luminescence unit most The top line of demarcation of big distance, the region being located on the inside of the top line of demarcation on the incidence surface is the inside incidence surface, It is the outside incidence surface to be located at the region on the outside of the top line of demarcation on the incidence surface.

12. light distribution element according to claim 11, which is characterized in that the top line of demarcation is located at all described luminous The inside of same circumference where the optical axis of unit, the top line of demarcation are distributed with the circumferential concentric, and between the two Distance is setpoint distance, and the setpoint distance is more than zero.

13. light distribution element according to claim 6, which is characterized in that the surface of the light-emitting surface can be laid with astigmatism Lines.

14. light distribution element according to claim 1, which is characterized in that the light distribution element is an integral structure part.

15. light distribution element according to claim 6, which is characterized in that the light distribution element further includes positioning region, described fixed Position portion is connected with the light distribution element main body, and is used to be arranged in the positioning with the chassis location fit, the fixed part In portion.

16. light distribution element according to claim 15, which is characterized in that the positioning region has locating slot, the positioning Slot is used for and the substrate location fit that externally protrudes out on the chassis.

17. light distribution element according to claim 16, which is characterized in that the slot bottom of the locating slot offers radiating groove, The radiating groove is located between the annular accommodation space and the locating slot, and is connected to the annular accommodation space, at least Two luminescence units are located in the radiating groove.

18. light distribution element according to claim 17, which is characterized in that in the radial direction of the light distribution element, the heat dissipation The width of slot is more than the width of the annular accommodation space, and heat dissipation is formed between the side wall of the radiating groove and the luminescence unit Gap.

19. light distribution element according to claim 1, which is characterized in that the light distribution element is that lens ring or annular expand Dissipate mask.

20. light source module group, which is characterized in that including substrate, at least two luminescence units and light distribution element, at least two hairs Light unit is arranged on the substrate, and the substrate is fixed in the light distribution element, and the light distribution element is located at least two On a luminescence unit, the light distribution element is the light distribution element described in any one of claim 1-5 and 13-19.

21. light source module group, which is characterized in that including substrate, at least two luminescence units and light distribution element, at least two hairs Light unit is arranged on the substrate, and the substrate is fixed in the light distribution element, and the light distribution element is located at least two On a luminescence unit, the light distribution element is the light distribution element described in any one of claim 6-12.

22. light source module group according to claim 21, which is characterized in that at least two luminescence units are discrete and equal It is laid in evenly in the annular accommodation space.

23. light source module group according to claim 21, which is characterized in that the cyclic group that the substrate is an integral structure Plate；Alternatively, the substrate include at least two be in convex structure submount, at least two submount dock one by one with Form cyclic structure.

24. light source module group according to claim 23, which is characterized in that be provided with multiple edges on the outside of the light distribution element The lug of the diameter convex of the light distribution element main body includes being electrically connected for evagination at the docking of adjacent two submount Socket part, the lug is for covering the electrical connection section.

25. light source module group according to claim 24, which is characterized in that the electrical connection section is conducting wire, soldering-tin layer or electricity Connector.

26. illuminator, which is characterized in that described in any one of lampshade, chassis, driver and claim 20-25 Light source module group, the substrate are fixedly linked with the light distribution element, and the driver is electrically connected with the substrate, and the lampshade is solid It is scheduled on the chassis, and light mixing chamber is constituted with the chassis, the light distribution element and the driver are arranged at described mixed In optical cavity, with the light distribution element, one includes Elastic buckle on the chassis, and another one is provided with clamping recess, the bullet Property buckle realize and connect and fix with the relative rotation on the light distribution element and the chassis with the clamping recess.

27. illuminator according to claim 26, which is characterized in that thrown with the light of the light source module group on the lampshade Penetrate the arcwall face that the opposite cover in direction is evagination.

28. illuminator according to claim 27, which is characterized in that described in the vertex of the arcwall face and at least two The distance between plane where the centre of luminescence of luminescence unit is the first distance, and the brim height of the lampshade is second distance, First distance and the second distance meet following relationship：A >=B >=0.9A, wherein A be the first distance, B be second away from From.

29. light distribution mechanism, which is characterized in that described including the light distribution element described in any one of chassis and claim 1-19 Light distribution element includes light distribution element main body and at least one fixed part for being arranged in the light distribution element main body, the fixed part It can be rotated relative to the chassis, for the fixed part with the chassis, one includes Elastic buckle, and another one includes that clamping is recessed It falls into, the Elastic buckle can be engaged by clamping with the light distribution element relative to chassis rotation and clamping recess.

30. light distribution mechanism according to claim 29, which is characterized in that the fixed part includes the Elastic buckle, institute It includes the clamping recess to state chassis.

31. light distribution mechanism according to claim 30, which is characterized in that the chassis includes along the fixed part rotation side It is recessed to the guiding of extension, there is the guiding recess open top, the fixed part to stretch into described lead from the open top To recess, and it can be recessed along the guiding with the light distribution element and rotate, the guiding recess has open end, the elastic card Button can turn through the open end with the fixed part, and be caught in the clamping recess from the back side on the chassis.

32. light distribution mechanism according to claim 31, which is characterized in that the fixed part has to be limited with the open end The limiting section of cooperation.

33. light distribution mechanism according to claim 31, which is characterized in that described one end for being oriented to recess is blind end, separately One end is the open end.

34. light distribution mechanism according to claim 31, which is characterized in that the guiding recess is curved channel, described solid It is arc-shaped workpiece to determine portion.

35. light distribution mechanism according to claim 29, which is characterized in that the fixed part is that one end is fixed on the light distribution Elastic arm structure on element body, the other end are elastic free end, and the elastic free end includes the Elastic buckle.

36. light distribution mechanism according to claim 29, which is characterized in that the clamping recess is in thickness direction perforation institute State the blocked hole on chassis.

37. light distribution mechanism according to claim 29, which is characterized in that the Elastic buckle has guiding surface, described Guiding surface is for sliding in or out in the clamping recess.

38. light distribution mechanism according to claim 29, which is characterized in that the quantity of the Elastic buckle is three, described The quantity of clamping recess is three, and three Elastic buckles and three clamping recess correspond cooperation.

39. illuminator, which is characterized in that including lampshade, substrate, driver, at least two luminescence units and claim 29- Light distribution mechanism described in any one of 38, the substrate are fixedly linked with the light distribution element, the driver and the substrate Electrical connection, the lampshade are fixed on the chassis, and constitute light mixing chamber, the light distribution mechanism and the driving with the chassis Device is arranged in the light mixing chamber.

40. illuminator according to claim 39, which is characterized in that the light projection of the lampshade and the luminescence unit The opposite cover in direction is the arcwall face of evagination.

41. illuminator according to claim 40, which is characterized in that described in the vertex of the arcwall face and at least two The distance between plane where the centre of luminescence of luminescence unit is the first distance, and the brim height of the lampshade is second distance, First distance and the second distance meet following relationship：A >=B >=0.9A, wherein A be the first distance, B be second away from From.