CN220169279U - Light projector - Google Patents

Abstract

The utility model relates to a projection lamp, including integrated into one piece's lamp body, the lamp body has first cavity and second cavity, be equipped with the circuit board in the first cavity, set up lighting module on the circuit board and be in the axial of lamp body with circuit board interval arrangement's reflection of light cup module, be equipped with in the second cavity and be used for the drive reflection of light cup module is in the axial of lamp body for the actuating mechanism that lighting module removed. Like this, the actuating mechanism drive that is located the second cavity is located the reflection of light cup module of first cavity and is removed for the luminous module in the axial of lamp body to realize focusing, set up the lamp body into integrated into one piece structure like this, first cavity and second cavity form respectively in integrated into one piece's lamp body, compare in making the lamp body split type structure, heat transfer efficiency is higher, and the radiating effect is better, avoids causing the condition that leads to circuit damage because of the projecting lamp is overheated.

Description

Spotlights

Technical field

The present disclosure relates to the technical field of lighting fixtures, and in particular, to a floodlight.

Background technique

A floodlight is a lamp whose illumination on the illuminated surface is higher than that of the surrounding environment. Usually, it can be aimed in any direction and has a structure that is not affected by climatic conditions. High-power floodlights have high power and generate large amounts of heat when working, so they need to have certain heat dissipation functions.

In the related technology, the lamp body is set up in a split structure. The reflector cup and the light-emitting module are respectively fixed on two lamp bodies that are screwed to each other. The focal length is adjusted by adjusting the distance between the two lamp bodies through threads. However, the lamp body is The component structure will result in low heat transfer efficiency, and the heat emitted by the light-emitting module is not easily conducted, which can easily cause the floodlight to overheat and cause circuit damage, affecting the service life of the floodlight.

Utility model content

The purpose of the present disclosure is to provide a floodlight to at least partially solve the problems existing in the related art.

In order to achieve the above object, the present disclosure provides a floodlight, which includes an integrally formed lamp body. The lamp body has a first cavity and a second cavity, and a circuit board is provided in the first cavity. The light-emitting module on the circuit board and the reflective cup module arranged at intervals from the circuit board in the axial direction of the lamp body, the second cavity is provided with a device for driving the reflective cup module to move on the lamp body. A driving mechanism that moves in the axial direction relative to the light-emitting module.

Optionally, the inner wall of the lamp body is connected with a partition for separating the first cavity and the second cavity, and the circuit board is fixed on the partition.

Optionally, the surface of the circuit board in contact with the separator is coated with heat dissipation grease.

Optionally, one end of the lamp body is provided with a back cover, the driving mechanism includes an adjustment bracket fixedly connected to the reflector module and an adjustment screw screwed to the adjustment bracket, and the back cover is provided with a There is a mounting hole for the adjusting screw to pass through, the head of the adjusting screw is against the outside of the back cover, and the adjusting bracket is configured to move along the axis of the lamp body when the adjusting screw rotates around its own axis. Make linear motion in the axial direction.

Optionally, the adjustment bracket includes a connection disk fixedly connected to the reflective cup module and a connection post for screwing with the adjustment screw, and the circuit board is placed on the reflective cup module and the connection disk between.

Optionally, one end of the reflective cup module close to the connecting disk is fixedly connected with a riveting stud for passing through the connecting disk, and an end of the riveting stud away from the reflective cup module is formed with a Threaded holes, the riveting studs and the connecting plate are fixedly connected through threaded fasteners.

Optionally, one of the outer wall of the reflector module and/or the outer wall of the connecting plate and the inner wall of the lamp body is formed with a guide groove, and the other is formed with a guide that cooperates with the guide groove. The guide groove and the guide block respectively extend along the axial direction of the lamp body.

Optionally, a radially protruding stopper is provided on the connecting column close to the adjusting screw, and an elastic member is set on the adjusting screw and the connecting column, with one end of the elastic member pressing against the adjusting screw. On the stopper, the other end abuts against the back cover.

Optionally, a sealing ring is provided between the back cover and the head of the adjusting screw.

Optionally, an end of the lamp body away from the back cover is provided with a front cover, a light-transmitting window is installed on the front cover, and the front cover and the lamp body are sealingly connected through a sealing ring.

Optionally, the reflective cup module includes a cover body, a reflective cup and a mounting bracket. The reflective cup is placed in the accommodation space surrounded by the cover body and the mounting bracket. The cover body and the mounting bracket Detachably connected, the front end of the cover body and the rear end of the mounting bracket are respectively provided with openings for light to pass through.

Optionally, the floodlight further includes a base connected to the outer wall of the lamp body, and an angle adjustment mechanism for adjusting the angle of the lamp body is provided on the base.

Through the above technical solution, the reflective cup module located in the first cavity is driven by the driving mechanism located in the second cavity to move relative to the light-emitting module in the axial direction of the lamp body to achieve focusing, so that the lamp body is integrated Molding structure, the first cavity and the second cavity are respectively formed in an integrated lamp body. Compared with making the lamp body into a split structure, the heat transfer efficiency is higher and the heat dissipation effect is better, which avoids overheating of the floodlight. causing damage to the circuit.

Other features and advantages of the present disclosure will be described in detail in the detailed description that follows.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. They are used to explain the present disclosure together with the following specific embodiments, but do not constitute a limitation of the present disclosure. In the attached picture:

Figure 1 is a schematic structural diagram of a floodlight provided by an exemplary embodiment of the present disclosure;

Figure 2 is an exploded schematic diagram of a floodlight provided by an exemplary embodiment of the present disclosure;

FIG. 3 is a cross-sectional view of a floodlight provided by an exemplary embodiment of the present disclosure.

Explanation of reference signs

1 lamp body 11 partition

12Rear cover 13Front cover

131 light-transmitting window 14 base

141 angle adjustment mechanism 2 reflector module

21 cover body 22 reflective cup

23 mounting bracket 24 opening

3 circuit board 4 adjustment bracket

41 connecting plate 42 connecting column

421 stopper 5 adjustment screw

6 pressure riveting studs 71 guide groove

72 guide block 8 elastic parts

9 sealing ring 10 sealing ring

101 first cavity 102 second cavity

Detailed ways

Specific embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

In the present disclosure, unless otherwise stated, the directional terms "front" and "back" used are defined based on the actual directions in which the relevant components are used, with specific reference to the directions represented by the arrows in Figure 3 . "Inner" and "outer" refer to the contours of the corresponding parts. In addition, the terms "first", "second", etc. used in this disclosure are to distinguish one element from another element and have no order. sex and importance. In the present disclosure, when the following description refers to the drawings, the same numbers in different drawings refer to the same or similar elements unless otherwise indicated.

Referring to FIGS. 1 to 3 , the present disclosure provides a floodlight. The floodlight may include an integrally formed lamp body 1 . The lamp body 1 may have a first cavity 101 and a second cavity 102 . In this disclosure, In the embodiment, the first cavity 101 and the second cavity 102 are arranged adjacently in the axial direction of the lamp body 1 . The first cavity 101 may be provided with a circuit board 3, a light-emitting module disposed on the circuit board 3, and a reflective cup module 2 spaced apart from the circuit board 3 in the axial direction of the lamp body 1. Specifically, the circuit board 3 It can be an aluminum-based circuit board. The aluminum-based circuit board has good thermal conductivity, electrical insulation performance and mechanical processing performance. The light-emitting module can be an LED lamp bead. The LED lamp bead is electrically connected to the circuit board 3. The reflector module 2 can It increases the luminous flux of the light-emitting module, reduces the waste of light sources, and can also play a role in condensing light; the second cavity 102 can be provided with a device for driving the reflector module 2 to move relative to the light-emitting module in the axial direction of the lamp body 1 The driving mechanism adjusts the focal length by adjusting the distance between the reflector module 2 and the light-emitting module.

Through the above technical solution, the reflective cup module located in the first cavity is driven by the driving mechanism located in the second cavity to move relative to the light-emitting module in the axial direction of the lamp body to achieve focusing, so that the lamp body is integrated Molding structure, the first cavity and the second cavity are respectively formed in an integrated lamp body. Compared with making the lamp body into a split structure, the heat transfer efficiency is higher and the heat dissipation effect is better, which avoids overheating of the floodlight. causing damage to the circuit.

According to an exemplary embodiment of the present disclosure, referring to FIG. 3 , the inner wall of the lamp body 1 is connected with a partition 11 for separating the first cavity 101 and the second cavity 102 , and the circuit board 3 is fixed on the partition 11 . Specifically, the circuit board 3 and the partition 11 can be detachably connected by screws. The circuit board 3 is in full contact with the partition 11, and the heat emitted by the light-emitting module and the circuit board 3 can be transferred to the entire lamp body 1 through the partition 11. In this way, the entire lamp body 1 is used as a heat dissipation element, and the effective heat dissipation area is large, which can improve heat dissipation. efficiency. In the embodiment of the present disclosure, the circuit board 3 and the partition 11 respectively extend in the radial direction of the lamp body 1 .

Among them, the surface of the circuit board 3 that is in contact with the partition 11 can be coated with heat dissipation grease. The heat dissipation grease can effectively exert a heat dissipation effect and is more conducive to heat transfer.

Further, referring to Figure 3, one end of the lamp body 1 is provided with a back cover 12. Specifically, the back cover 12 can be screwed to the lamp body 1, and the driving mechanism can include an adjustment bracket 4 fixedly connected to the reflector module 2 and The adjusting screw 5 is screwed to the adjusting bracket 4. The back cover 12 is provided with a mounting hole for the adjusting screw 5 to pass through. The head of the adjusting screw 5 is against the outside of the back cover 12. The adjusting bracket 4 can be configured so that the adjusting screw 5 can pass through. 5 makes linear motion along the axial direction of the lamp body 1 when rotating around its own axis. By turning the adjusting screw 5, the reflector module 2 is driven to move, thereby adjusting the focal length. The driving mechanism is hidden in the lamp body 1, which has a beautiful appearance and a strong sense of integration. In other embodiments, the adjusting screw 5 can be replaced by a screw. The adjusting bracket 4 is screwed to the screw. The adjusting bracket 4 can be configured to make linear motion along the axial direction of the lamp body 1 when the screw rotates around its own axis.

Referring to Figure 2, the adjustment bracket 4 may include a connection plate 41 fixedly connected to the reflector module 2 and a connection post 42 for screwing with the adjustment screw 5. The circuit board 3 is placed between the reflector module 2 and the connection plate 41. between. Specifically, the edge of the connecting plate 41 and the edge of the reflector module 2 are fixedly connected by bolts.

Further, referring to FIG. 3 , the end of the reflective cup module 2 close to the connecting plate 41 can be fixedly connected with a riveting stud 6 for passing through the connecting plate 41 , and the end of the riveting stud 6 away from the reflective cup module 2 is formed with a The threaded hole, the riveting stud 6 and the connecting plate 41 are fixedly connected through threaded fasteners. In the embodiment of the present disclosure, the rivet studs 6 connected to the reflector module 2 pass through the partition 11 and are fixedly connected to the connection plate 41 through screws, so that the reflector module 2 is driven along the lamp along the connection plate 41. The axial direction of body 1 makes linear motion to realize the function of adjusting the focal length. When the driving mechanism drives the reflector module 2 to move forward to the extreme position, the connecting plate 41 can push against the partition 11 to limit the displacement of the reflector module 2 and prevent it from colliding with the front cover 13 during movement. Cause damage.

In some embodiments, referring to FIGS. 2 and 3 , one of the outer wall of the reflector module 2 and/or the outer wall of the connecting plate 41 and the inner wall of the lamp body 1 may be formed with a guide groove 71 , and the other may be formed with a guide groove 71 . There is a guide block 72 that cooperates with the guide groove 71 . The guide groove 71 and the guide block 72 respectively extend along the axial direction of the lamp body 1 . Through the cooperation between the guide groove 71 and the guide block 72 , the reflector module 2 can always move along the extension direction of the guide groove 71 and play a guiding role. Wherein, the guide block 72 may be configured in a long strip shape.

As an exemplary embodiment of the present disclosure, with reference to Figure 3, a radially protruding stopper 421 may be provided on the connecting column 42 close to the adjusting screw 5, and an elastic member 8 is set on the adjusting screw 5 and the connecting column 42. One end of the elastic member 8 abuts the stopper 421 , and the other end abuts the back cover 12 . Since the elastic member 8 has pre-pressure, when the connecting column 42 moves in the axial direction of the lamp body 1, the elastic member 8 is always in a compressed state to press the back cover 12 against the head of the adjusting screw 5. The sealing effect is good and can Enhance waterproof capability. Here, the elastic member 8 may be a spring.

Further, referring to Figure 3, a sealing ring 9 can be provided between the back cover 12 and the head of the adjusting screw 5 to enhance the waterproofing capability. In addition, the pre-pressure of the elastic member 8 allows the adjusting screw 5 to always press the sealing ring 9 , improve the sealing effect.

According to some embodiments, referring to FIG. 1 , the end of the lamp body 1 away from the back cover 12 can be covered with a front cover 13 , and a light-transmitting window 131 is installed on the front cover 13 . The front cover 13 and the light-transmitting window 131 can be bonded with glue. The front cover 13 and the lamp body 1 are sealed and connected through a sealing ring 10 . As shown in FIG. 3 , the reflector module 2 is arranged adjacent to the front cover 13 .

Further, with reference to Figures 2 and 3, the reflective cup module 2 can include a cover body 21, a reflective cup 22 and a mounting bracket 23. The reflective cup 22 is placed in the accommodation space surrounded by the cover body 21 and the mounting bracket 23. The cover body 21 Detachably connected to the mounting bracket 23, the front end of the cover body 21 and the rear end of the mounting bracket 23 are respectively provided with openings 24 for light to pass through. Among them, the riveting studs 6 are installed on the mounting bracket 23, and the cover body 21 and the mounting bracket 23 can be fixedly connected through bolts.

In some embodiments, referring to Figures 1 and 2, the floodlight can also include a base 14 connected to the outer wall of the lamp body 1 for fixing the lamp body 1. The base 14 and the lamp body 1 can be connected through threads. The base 14 An angle adjustment mechanism 141 for adjusting the angle of the lamp body 1 is provided. The angle adjustment mechanism 141 may include a first connecting piece fixedly connected to the base 14 and a second connecting piece fixedly connected to the lamp body 1. A surface of the first connecting piece connected to the second connecting piece is provided with a plurality of spaced apart arrangements along the circumference. The first tooth portion of the second connector is circumferentially provided with a plurality of second tooth portions that are locked with the first tooth portion on the surface connected to the first connector. When it is necessary to adjust the angle of the lamp body 1, just It is necessary to remove the second connecting piece from the first connecting piece, rotate the second connecting piece to the appropriate position, and then install the second connecting piece to the first connecting piece to adjust the angle of the lamp body 1. convenient.

The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings. However, the present disclosure is not limited to the specific details of the above-mentioned embodiments. Within the scope of the technical concept of the present disclosure, various simple modifications can be made to the technical solutions of the present disclosure. These simple modifications all belong to the protection scope of the present disclosure.

In addition, it should be noted that each of the specific technical features described in the above-mentioned specific embodiments can be combined in any suitable manner without conflict. In order to avoid unnecessary repetition, this disclosure describes various possible combinations. The combination method will not be further explained.

In addition, any combination of various embodiments of the present disclosure can also be carried out, and as long as they do not violate the idea of the present disclosure, they should also be regarded as the contents disclosed in the present disclosure.

Claims (12)

1. A floodlight, characterized in that it includes an integrally formed lamp body. The lamp body has a first cavity and a second cavity. A circuit board is provided in the first cavity and is arranged on the circuit. The light-emitting module on the board and the reflective cup module arranged at intervals from the circuit board in the axial direction of the lamp body, the second cavity is provided with a device for driving the reflective cup module on the axis of the lamp body. A driving mechanism that moves upward relative to the light-emitting module. 2. The floodlight according to claim 1, wherein the inner wall of the lamp body is connected with a partition for separating the first cavity and the second cavity, and the circuit board is fixed on on the partition. 3. The floodlight of claim 2, wherein a surface of the circuit board in contact with the partition is coated with heat dissipation grease. 4. The floodlight according to any one of claims 1 to 3, characterized in that one end of the lamp body is provided with a back cover, and the driving mechanism includes an adjustment unit fixedly connected to the reflector module. The bracket and the adjusting screw screwed to the adjusting bracket, the back cover is provided with a mounting hole for the adjusting screw to pass through, the head of the adjusting screw is against the outside of the back cover, the adjusting screw The bracket is configured to make linear motion along the axial direction of the lamp body when the adjusting screw rotates around its own axis. 5. The floodlight according to claim 4, wherein the adjustment bracket includes a connection plate fixedly connected to the reflector module and a connection post for screw connection to the adjustment screw, and the circuit A plate is placed between the reflector module and the connection disk. 6. The floodlight according to claim 5, characterized in that, one end of the reflector module close to the connecting plate is fixedly connected with a riveting stud for passing through the connecting plate, and the riveting stud A threaded hole is formed on one end of the stud away from the reflective cup module, and the riveting stud is fixedly connected to the connection plate through a threaded fastener. 7. The floodlight according to claim 5, wherein a guide groove is formed on one of the outer wall of the reflector module and/or the outer wall of the connecting plate and the inner wall of the lamp body. The other one is formed with a guide block that cooperates with the guide groove, and the guide groove and the guide block respectively extend along the axial direction of the lamp body. 8. The floodlight according to claim 5, characterized in that a radially protruding stopper is provided on the connecting column close to the adjusting screw, and the adjusting screw and the connecting column are covered with a radially protruding stopper. An elastic member is provided, one end of the elastic member abuts the stopper, and the other end abuts the back cover. 9. The floodlight of claim 4, wherein a sealing ring is provided between the back cover and the head of the adjusting screw. 10. The floodlight of claim 4, wherein one end of the lamp body away from the back cover is provided with a front cover, and a light-transmitting window is installed on the front cover. The front cover It is sealedly connected to the lamp body through a sealing ring. 11. The floodlight of claim 1, wherein the reflector module includes a cover body, a reflector cup and a mounting bracket, and the reflector cup is placed in an area surrounded by the cover body and the mounting bracket. In the accommodation space, the cover body is detachably connected to the mounting bracket, and the front end of the cover body and the rear end of the mounting bracket are respectively provided with openings for light to pass through. 12. The floodlight according to claim 1, characterized in that the floodlight further includes a base connected to the outer wall of the lamp body, and an angle for adjusting the angle of the lamp body is provided on the base. regulating mechanism.