CN212960980U

CN212960980U - Fixing device and intelligent lamp

Info

Publication number: CN212960980U
Application number: CN202021538530.9U
Authority: CN
Inventors: 刘声洪; 曹亮亮; 林泉; 鲍永均; 梁德娟
Original assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Current assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-04-13
Anticipated expiration: 2030-07-29

Abstract

The utility model belongs to the technical field of lighting apparatus, especially, relate to a fixing device and intelligent lamp. The fixing device includes: the heat dissipation seat is provided with a heat dissipation cavity, the heat dissipation cavity is provided with an opening, and one end of the driving structure is inserted into the heat dissipation cavity at the opening; and the fastening piece comprises a fastening bottom plate and fastening side plates connected with the fastening bottom plate, the fastening side plates are at least provided with two, one end of each fastening side plate is connected with the edge of the fastening bottom plate and is circumferentially arranged around the central position of the fastening bottom plate, and the other end of each fastening bottom plate is clamped into the heat dissipation cavity and is abutted to the cavity wall of the heat dissipation cavity and is pressed outwards, so that the fastening bottom plate is abutted to the cavity bottom of the heat dissipation cavity to press the driving structure. The utility model discloses a fastening bottom plate compresses tightly drive structure to the heat dissipation intracavity simultaneously, makes drive structure's position remain unchanged, and then behind the encapsulating to the heat dissipation intracavity, glue can not lead to drive structure's position to change in the curing process.

Description

Fixing device and intelligent lamp

Technical Field

The utility model belongs to the technical field of lighting apparatus, especially, relate to a fixing device and intelligent lamp.

Background

Along with the popularization of the existing LED intelligent lamp, the performance requirement on the LED is higher and higher. The power of the corresponding LED product is improved along with the power of the LED product, the heat dissipation requirement of the product is improved along with the increase of various application modules, and the heat dissipation requirement of the driving structure is met by increasing the glue filling in addition to the heat dissipation requirement of the material structural member of the existing LED product.

The existing LED intelligent lamp is characterized in that a driving structure is installed in a heat dissipation seat firstly, glue is filled into the heat dissipation seat, the driving structure is positioned after the glue is solidified, and finally a light source structure is assembled to enable an electric connection terminal of the light source structure to be electrically connected with an electric connection terminal of the driving structure.

However, since one end of the driving structure is slidably disposed in the heat sink, the curing expansion of the curing adhesive may occur, which may cause the driving structure to displace along the sliding direction. As a result, the electrical terminals of the light source structure and the electrical terminals of the driving structure are misaligned during subsequent installation of the light source structure, so that the light source structure and the driving structure cannot be electrically connected.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the present application is to provide a fixing device, which aims to solve the problem of how to fix a driving structure.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: there is provided a fixture for positioning a drive structure, the fixture comprising:

the heat dissipation seat is provided with a heat dissipation cavity, the heat dissipation cavity is provided with an opening, and one end of the driving structure is inserted into the heat dissipation cavity at the opening; and

the fastener, including the fastening bottom plate and connect the fastening curb plate of fastening bottom plate, the fastening curb plate is provided with two at least, each the one end of fastening curb plate is all connected the flange edge of fastening bottom plate and wind the central point of fastening bottom plate puts the circumference and arranges, each the other end card of fastening bottom plate is gone into heat dissipation chamber and butt and compress tightly outwards the chamber wall in heat dissipation chamber, so that the fastening bottom plate butt is towards the chamber end in heat dissipation chamber compresses tightly drive structure.

In one embodiment, each of the fastening side plates is integrally formed and forms an annular side plate.

In one embodiment, a free end of each fastening side plate is provided with a guide surface, and each guide surface is used for guiding the corresponding fastening side plate to be clamped into the heat dissipation cavity.

In one embodiment, the fastening bottom plate is provided with an avoiding hole, and the avoiding hole is communicated with the heat dissipation cavity.

In one embodiment, the fixing device further includes two positioning pillars disposed in the heat dissipation cavity, two positioning pillars are disposed at an interval, and both the two positioning pillars are provided with positioning chutes, the driving structure includes a driving circuit board and a driving assembly disposed on the driving circuit board, and two side plate edges at one end of the driving circuit board are respectively slidably clamped in the two positioning chutes.

In one embodiment, the driving structure further includes a guide post, the guide post is connected to the other end of the driving circuit board, and a guide hole is formed in a position of the fastening bottom plate corresponding to the guide post.

In one embodiment, there are two guide posts.

The embodiment of the application further provides an intelligent lamp, which comprises the fixing device, the intelligent lamp bead further comprises a driving structure and a light source structure electrically connected with the driving structure, the driving structure is located in the heat dissipation cavity, and the light source structure is connected with the fastening bottom plate and conducts heat to the fastening bottom plate in a conductive state.

In one embodiment, the light source structure includes a light source board and a plurality of lamp beads disposed on the light source board, the lamp beads are disposed on the light source board at intervals, and the light source board is stacked on the fastening base board and conducts the heat to the fastening base board.

In one embodiment, the smart lamp further comprises a lamp cover made of a light-transmitting material and connected to the opening.

The beneficial effect of this application lies in: through setting up drive structure in the heat dissipation intracavity, each fastening curb plate compresses tightly the chamber wall in heat dissipation chamber outwards simultaneously to make fastening bottom plate's position keep motionless, fastening bottom plate compresses tightly drive structure to the heat dissipation intracavity simultaneously, makes the position of drive structure keep unchangeable, and then after to the intracavity encapsulating of dispelling the heat, glue can not lead to the position of drive structure to change in the curing process, thereby is favorable to the butt joint of drive structure and light source structure.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic perspective view of an intelligent lamp provided in an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of the smart lamp of FIG. 1 along an insertion direction of the drive structure;

FIG. 3 is an exploded schematic view of the smart lamp of FIG. 1;

fig. 4 is a partially enlarged view of fig. 3 at a.

Wherein, in the figures, the respective reference numerals:

100. an intelligent light; 11. a heat dissipation base; 12. a lamp shade; 20. a fastener; 21. fastening the bottom plate; 22. fastening the side plates; 33. a guide post; 40. a light source structure; 30. a drive structure; 31. a drive circuit board; 32. a drive assembly; 41. a light source plate; 42. a lamp bead; 24. a guide hole; 23. avoiding holes; 22', an annular side plate; 111. a heat dissipation cavity; 112. an opening; 14. a positioning column; 141. and a positioning chute.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in 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 present application and are not intended to limit the present application.

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.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

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 application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 and 3, a fixing device for positioning and fixing a driving structure 30 is provided in an embodiment of the present application. The driving structure 30 is used for driving the light source structure 40 to emit light. The fixing means comprises a heat sink 11 and a fastener 20 connecting the heat sink 11. The heat sink 11 has a heat dissipation cavity 111, the heat dissipation cavity 111 has an opening 112, and one end of the driving structure 30 is inserted into the heat dissipation cavity 111 at the opening 112. The fastening piece 20 comprises a fastening bottom plate 21 and fastening side plates 22 connected with the fastening bottom plate 21, at least two fastening side plates 22 are arranged, one end of each fastening side plate 22 is connected with the edge of the fastening bottom plate 21 and is circumferentially arranged around the central position of the fastening bottom plate 21, and optionally, each fastening side plate 22 is symmetrically arranged around the central position of the fastening bottom plate 21. The other end of each fastening bottom plate 21 is clamped into the heat dissipation cavity 111 and abuts against and presses the cavity wall of the heat dissipation cavity 111 outwards, so that the fastening bottom plate 21 abuts against and presses the driving structure 30 towards the cavity bottom of the heat dissipation cavity 111. Alternatively, the fastening side plates 22 are provided in two, and the distance between the two fastening side plates 22 is slightly larger than the aperture of the heat dissipation cavity 111 at two corresponding positions, so that each fastening side plate 22 and the cavity wall of the heat dissipation cavity 111 are in an interference fit arrangement, that is, the fastening member 20 is riveted at the opening 112 by a tool, so that the fastening bottom plate 21 can press the driving structure 30 towards the heat dissipation cavity 111. Alternatively, the fastener 20 is made of metallic aluminum. The metal aluminum has the advantages of good ductility, easy processing, high heat-conducting property and the like.

Referring to fig. 1 and fig. 3, the driving structure 30 is disposed in the heat dissipation cavity 111, and the fastening side plates 22 press the cavity wall of the heat dissipation cavity 111 outward, so that the position of the fastening bottom plate 21 remains unchanged, and the fastening bottom plate 21 presses the driving structure 30 into the heat dissipation cavity 111 at the same time, so that after glue is poured into the heat dissipation cavity 111, the position of the driving structure 30 is not changed during the curing process of the glue, thereby facilitating the butt joint of the driving structure 30 and the light source structure 40.

It can be understood that, the through hole communicated with the outside is generally arranged at the bottom of the heat dissipation cavity 111, when glue is filled, the through hole can be blocked firstly, the glue is placed to flow out from the through hole, and the through hole is dredged after the glue is solidified.

Referring to fig. 1 and 3, in one embodiment, each fastening side plate 22 is integrally formed and forms an annular side plate 22'. Optionally, the outer ring side of the annular side plate 22 'abuts against and presses the cavity wall of the heat dissipation cavity 111 outwards, and the annular side plate 22' increases the contact area between the fastening member 20 and the cavity wall of the heat dissipation cavity 111, further keeping the position of the fastening bottom plate 21 unchanged.

In one embodiment, the free end of each fastening side plate 22 is provided with a guiding surface, and each guiding surface is used for guiding the corresponding fastening side plate 22 to be clamped into the heat dissipation cavity 111. Alternatively, the guide surfaces may guide the respective fastening side plates 22 into the heat dissipation chamber 111 during the caulking process, improving convenience of caulking.

In one embodiment, the fastening base plate 21 is formed with an avoiding hole 23, and the avoiding hole 23 communicates with the heat dissipation cavity 111. Alternatively, glue may be poured into the heat dissipation cavity 111 through the relief hole 23 to adhesively fix the driving structure 30.

Referring to fig. 4, in an embodiment, the fixing device further includes two positioning pillars 14 disposed in the heat dissipation cavity 111, two positioning pillars 14 are disposed at intervals, and both the two positioning pillars 14 are disposed with positioning sliding grooves 141, the driving structure 30 includes a driving circuit board 31 and a driving assembly 32 disposed on the driving circuit board 31, and two side plate edges of one end of the driving circuit board 31 are respectively slidably clamped in the two positioning sliding grooves 141. Optionally, the two positioning sliding grooves 141 are used for guiding the driving circuit board 31 to be inserted into the heat dissipation cavity 111, and limiting the rotation of the driving circuit board 31 along the circumferential direction of the heat dissipation seat 11, and the fastening bottom plate 21 abuts against the driving circuit board 31, and presses the driving circuit board 31 towards the bottom of the heat dissipation cavity 111, so as to limit the linear movement of the driving circuit board 31 relative to the bottom of the heat dissipation cavity 111, and further completely limit the driving circuit board 31 in the heat dissipation cavity 111, and during the curing process of the glue, the driving circuit board 31 cannot move relative to the heat dissipation seat 11, thereby facilitating the subsequent electrical connection between the light source structure 40 and the driving structure 30.

In one embodiment, the driving structure 30 further includes a guiding post 33, the guiding post 33 is connected to the other end of the driving circuit board 31, and the fastening base plate 21 is provided with a guiding hole 24 at a position corresponding to the guiding post 33. Alternatively, two guide posts 33 are provided. The cooperation of the two guiding holes 24 and the guiding columns 33 is beneficial to improving the riveting precision between the fastener 20 and the heat sink 11.

Please refer to fig. 1 and fig. 3, the present invention further provides an intelligent lamp 100, the intelligent lamp 100 includes a fixing device, the specific structure of the fixing device refers to the above embodiments, and since the intelligent lamp 100 adopts all the technical solutions of all the above embodiments, all the beneficial effects brought by the technical solutions of the above embodiments are also achieved, and are not repeated herein.

In one embodiment, the smart lamp bead 42 further includes a driving structure 30 and a light source structure 40 electrically connected to the driving structure 30, the driving structure 30 is located in the heat dissipation cavity 111, and the light source structure 40 is connected to the fastening base plate 21 and conducts heat to the fastening base plate 21 in an electrically conductive state. Alternatively, the driving structure 30 is used to drive and control the light source structure 40, the light source structure 40 emits light while generating heat under electrical conduction, and the heat can be conducted to the fastening base plate 21 and then conducted to the heat sink 11 through the fastening base plate 21, thereby improving the heat dissipation efficiency of the light source structure 40.

Referring to fig. 1 and 3, in an embodiment, the light source structure 40 includes a light source board 41 and a plurality of light beads 42 disposed on the light source board 41, the light beads 42 are disposed on the light source board 41 at intervals, and the light source board 41 is stacked on the fastening base board 21 and conducts heat to the fastening base board 21. Optionally, the lamp bead 42 in this embodiment is an LED lamp bead 42.

Alternatively, the light source board 41 and the fastening base plate 21 are connected by screws.

In one embodiment, the smart lamp 100 further comprises a lamp cover 12, the lamp cover 12 being made of a light transmissive material and connected at the opening 112. The light emitted from the lamp bulb 42 is projected outwards through the lampshade 12.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims

1. A fixture for positioning a drive structure, the fixture comprising:

2. The fixture of claim 1, wherein: each fastening side plate is integrally formed and forms an annular side plate.

3. The fixture of claim 1, wherein: each fastening curb plate's free end has all seted up the guide face, each guide face be used for the guide to correspond fastening curb plate card go into the heat dissipation chamber.

4. The fixture of claim 1, wherein: the fastening bottom plate is provided with a avoiding hole which is communicated with the heat dissipation cavity.

5. The fixture apparatus of any one of claims 1-4, wherein: the fixing device further comprises positioning columns arranged in the heat dissipation cavity, the two positioning columns are arranged at intervals and are provided with positioning chutes, the positioning chutes are formed in the positioning columns, the driving structure comprises a driving circuit board and a driving assembly arranged on the driving circuit board, and the edges of two side plates at one end of the driving circuit board are respectively clamped in the two positioning chutes in a sliding mode.

6. The fixture apparatus of claim 5, wherein: the driving structure further comprises a guide post, the guide post is connected with the other end of the driving circuit board, and a guide hole is formed in the position, corresponding to the guide post, of the fastening bottom plate.

7. The fixture of claim 6, wherein: the guide post is provided with two.

8. A smart lamp comprising the fastening device as claimed in any one of claims 1 to 7, wherein the smart lamp bead further comprises a driving structure and a light source structure electrically connected to the driving structure, the driving structure is located in the heat dissipation cavity, and the light source structure is connected to the fastening base plate and conducts heat to the fastening base plate in an electrically conductive state.

9. The smart lamp of claim 8, wherein: the light source structure comprises a light source board and a plurality of lamp beads arranged on the light source board, the lamp beads are arranged on the light source board at intervals, and the light source board is arranged on the fastening bottom board in a stacked mode and conducts heat to the fastening bottom board.

10. The smart lamp of claim 9, wherein: the intelligent lamp further comprises a lamp shade, and the lamp shade is made of light-transmitting materials and connected with the opening.