CN211667637U - Track lamp - Google Patents

Abstract

The application provides a track lamp, including the shell subassembly, luminous light source board, an optical component for reflection or refraction light, a drive assembly and a radiating piece for driving the light source board, the shell subassembly is including the plastic shell that is the tube-shape setting, and the plastic shell is equipped with metal baffle at its axial direction's middle part, metal baffle separates into the plastic shell that first chamber and the second of holding holds the chamber, drive assembly locates first the intracavity that holds, the radiating piece is located the second and is held the intracavity, and the light source board is located on the radiating piece. The utility model provides a track lamp, plastic shell are higher for metal casing's security, need not keep apart the drive, use methods such as insulating piece to make it accord with ann's rule, can effectively reduce raw and other materials cost, and the accessible changes the size and the shape of radiating piece in order to satisfy the installation demand of optical part and light source board in addition, need not set up many sets of moulds to the shell, reduces mould cost.

Description

Track lamp

Technical Field

The application belongs to the technical field of lamps and lanterns, more specifically says, relates to a track lamp.

Background

The shell of the existing commercial track lamp is an aluminum extruded structural part or a die-cast aluminum structural part, the aluminum shell is in direct contact with a light source, in order to meet the safety requirements, an isolation driving method is generally adopted, the isolation driving cost is high, when a light source substrate is too small, a bonding pad is too close to the edge of the substrate, an insulating sheet is required to be used, the heat-conducting property of the insulating sheet is poor, and the cost of the whole lamp is increased. In addition, according to the use scene of track lamp, different optical components such as reflection of light cup, lens need be selected for use, and the size of each type optical component is different, and when using different types of optical components, need design not unidimensional shell, leads to the mould cost too high.

Disclosure of Invention

An object of the embodiment of this application is to provide a track lamp to solve the raw and other materials cost that exists among the prior art and the technical problem that the mould is with high costs.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the utility model provides a track lamp, including shell subassembly, luminous light source board, be used for reflection or refraction light optical element, be used for the drive assembly and the radiating piece of light source board, the shell subassembly is including the plastic shell that is the tube-shape setting, just the plastic shell is equipped with metal partition at its axial direction's middle part, metal partition will the plastic shell is separated into first chamber and the second of holding and is held the chamber, first axial height that holds the chamber is less than the second holds the axial height in chamber, drive assembly locates first the intracavity that holds, the radiating piece is located the second holds the intracavity, just the light source board is located on the radiating piece.

In one embodiment, the optical member is a reflective cup, and the reflective cup is arranged on the periphery of the light source plate; the heat dissipation piece is a cylindrical piece with an opening at one end, and the light source board and the reflection cup are both arranged inside the heat dissipation piece.

In one embodiment, the heat sink includes an annular heat sink portion and an end cover portion connected to one end of the annular heat sink portion, the end cover portion is fixed to the metal partition plate, and the light source plate and the light reflecting cup are both fixed to the end cover portion.

In one embodiment, the optical member is a lens, and the lens cover is arranged on the light source plate; the heat dissipation piece is fixed in the metal partition plate, the heat dissipation piece is provided with a boss facing the protruding arrangement of the light source plate, and the light source plate is arranged on the surface of the boss.

In one embodiment, the heat sink has a circular outer contour, and the heat sink has a zigzag longitudinal section.

In one embodiment, the driving assembly comprises a driving box and a driving plate arranged in the driving box, the driving box is fixed on the plastic shell, and a gap is formed between the driving box and the metal partition plate.

In one embodiment, the driving assembly comprises a driving plate, and the driving plate is fixed on the inner wall of the plastic shell.

In one embodiment, the height of the second receiving cavity in the axial direction is 28mm to 36 mm.

In one embodiment, the housing assembly further includes a front ring and a rear cover respectively disposed at two ends of the plastic housing, the rear cover is disposed near the driving assembly, and the front ring is disposed near the optical element.

In one embodiment, the rear cover is a flat cover or a spherical mesh cover.

The application provides a track lamp's beneficial effect lies in: compared with the prior art, this application track lamp includes shell subassembly, light source board, optical part, drive assembly and radiating piece, and the shell subassembly includes the plastic shell of tube-shape, and the plastic shell is higher for metal casing's security, need not keep apart the drive, use methods such as insulating piece to make it accord with ann's rule, can effectively reduce raw and other materials cost. The inside of plastic shell is equipped with metal baffle, and with the inside space separation of plastic shell first hold the chamber and the chamber is held to the second, drive assembly locates first chamber that holds, and the second is located and holds the chamber to light source board, optical part, radiating piece etc. and when the size difference of optical part, the accessible changes the size and the shape of radiating piece in order to satisfy the installation demand of optical part and light source board, need not set up many sets of moulds to the shell, reduction mould cost.

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 perspective view of a first track light provided in an embodiment of the present application;

fig. 2 is an exploded view of a first track lamp according to an embodiment of the present disclosure;

fig. 3 is a perspective structural view of a plastic housing according to an embodiment of the present disclosure;

fig. 4 is a cross-sectional view of a first track light provided in an embodiment of the present application;

fig. 5 is a cross-sectional view of a second track light provided in an embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

1-a housing assembly; 101-a first receiving chamber; 102-a second receiving chamber; 11-plastic shell; 111-a metal separator; 12-face ring; 13-rear cover; 2-a light source plate; 3 a-a reflective cup; 3 b-a lens; 4a, 4 b-a heat sink; 41-end cap portion; 42-an annular heat sink; 43-boss; 44-an annular portion; 45-vertical section; 5-a drive assembly.

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 "height," "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 illustrated in the drawings that is referenced solely for the convenience of describing the application and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered limiting of the 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.

The track lamp provided in the embodiments of the present application will now be described.

In one embodiment of the present application, referring to fig. 1 to 3, the track lamp includes a housing assembly 1, a light source board 2, an optical element, a driving assembly 5, and a heat dissipation member 4a, the light source board 2 emits light under the driving of the driving assembly 5, the heat dissipation member 4a is used for contacting with the light source board 2 to dissipate heat, and the heat dissipation member 4a is a metal heat dissipation member. The housing assembly 1 comprises a plastic housing 11, the plastic housing 11 is made of plastic, has insulating performance, and even if the isolation driving assembly 5 and the insulation sheet are not adopted, the safety specification is also met, an additional design structure and the insulation sheet are not needed, and the design cost and the raw material cost can be reduced. The plastic housing 11 is cylindrical, both ends are open about the plastic housing 11, and the plastic housing 11 is equipped with the metal partition 111 in the middle part of its axis direction, and the metal partition 111 divides the space inside the plastic housing 11 into two cavities, the first chamber 101 and the second chamber 102 that hold that are the axial distribution respectively. In the axial direction of the plastic housing 11, the axial height of the first accommodating cavity 101 is smaller than the axial height of the second accommodating cavity 102, i.e. the heights of the two cavities are different. The driving assembly 5 is disposed in the first accommodating cavity 101, the heat dissipating member 4a is disposed in the second accommodating cavity 102, the light source board 2 is disposed on the heat dissipating member 4a, and the optical member is correspondingly disposed at the light emitting position of the light source board 2. The axial height of the drive assembly 5 is small and is located in the first receiving chamber 101. The optical elements can be selected from heat dissipation elements with different structures according to different axial heights of the optical elements, and the optical elements with different sizes can be placed into the second accommodating cavity 102 through the structural change of the heat dissipation elements. Specifically, the heat sink 4a is fixed to the metal partition plate 111, and the light source plate 2 is fixed to the metal partition plate 111. When the light source board 2 operates, the generated heat is transferred to the metal partition 111 through the heat dissipation member 4a, then transferred to the plastic housing 11, and further directly transferred to the plastic housing 11 through a portion of the heat dissipation member 4a contacting the plastic housing 11.

The track lamp of above-mentioned embodiment, including shell subassembly 1, light source board 2, optical part, drive assembly 5 and heat dissipation piece 4a, shell subassembly 1 includes the plastic casing 11 of tube-shape, and plastic casing 11 is higher for metal casing's security, need not adopt to keep apart the drive or use methods such as insulating piece to make it accord with ann's rule, can effectively reduce raw and other materials cost. The inside of plastic shell 11 is equipped with metal partition 111, separate into the inside space of plastic shell 11 and firstly hold chamber 101 and the second and hold chamber 102, drive assembly 5 locates first chamber 101 that holds, light source board 2, optical component, the second holds chamber 102 is located to the radiating piece 4a etc., and the size that works as optical component is different, the accessible changes the size and the shape of radiating piece in order to satisfy the installation demand of optical component and light source board 2, need not set up many sets of moulds to the shell, reduce mould cost.

Optionally, the metal partition 111 is embedded in the plastic housing 11 or fixed in the plastic housing 11. Likewise, the heat sink 4a may be embedded in the plastic housing 11 or fixed in the plastic housing 11. The metal partition 111 and the heat sink 4a may be made of aluminum or other material with good heat dissipation performance.

In another embodiment of the present application, referring to fig. 2 and fig. 4, the optical element is a reflective cup 3a, and the reflective cup 3a is disposed around the light source plate 2 and is used for reflecting the light emitted from the light source plate 2, so that the light of the track lamp is stronger. The heat sink 4a is a cylindrical member with an open end, the open end of the heat sink 4a faces the end of the plastic housing 11, and the unopened end of the heat sink 4a is disposed close to the metal partition 111. The light source board 2 is fixed at the bottom of the heat sink 4, and because the axial height of the reflective cup 3a is close to that of the second accommodating cavity 102, the heat sink 4a is arranged in a cylindrical shape, and the reflective cup 3a is arranged inside the heat sink 4a, the occupied axial space is small, and the light source board is suitable for the embodiment in which the optical element is the reflective cup 3 a. The reflector cup 3a can be pressed into the second receiving cavity 102 by the face ring 12.

More specifically, the heat sink 4a includes the annular heat sink portion 42 and the end cap portion 41, the light source board 2 is fixed to the end cap portion 41, the end cap portion 41 is in contact with the metal spacer 111, and heat generated by the light source board 2 is transferred to the metal spacer 111 through the end cap portion 41, which can accelerate heat dissipation of the light source board 2. Annular heat dissipation portion 42 is connected in the edge of end cap portion 41, and the outer wall of annular heat dissipation portion 42 and second hold chamber 102 and hug closely the setting, and like this, the heat that light source board 2 produced can also transmit to annular heat dissipation portion 42 through end cap portion 41, and annular heat dissipation portion 42 further accelerates the heat dissipation of light source board 2 with heat transfer to plastic housing 11. In addition, the axial height of the annular heat dissipation part 42 can be adjusted according to the power of the light source plate 2, and the longer the axial height of the annular heat dissipation part 42 is, the stronger the heat dissipation capability of the track lamp is.

In another embodiment of the present application, referring to fig. 5, the optical element is a lens 3b, the lens 3b is covered on the light source board 2, and the lens 3b is used for refracting light, so that the light finally emitted by the track lamp is more uniform. The axial height of lens 3b is less, and when lens 3b set up in the second holds the chamber 102, the axial height of lens 3b is less than the axial height that the chamber 102 was held to the second far away, and heat dissipation piece 4b is provided with boss 43 towards the protruding light source board 2, and boss 43 is used for bearing light source board 2 and lens 3b, makes lens 3b can match and uses in the second holds the chamber 102. More specifically, the heat dissipating member 4b is fixed to the metal partition plate 111, the boss 43 is formed by the heat dissipating member 4b being raised toward the light source board 2, the light source board 2 is fixed to the surface of the boss 43, and the lens 3b may be clamped between the face ring 12 and the boss 43.

More specifically, the edge of the heat sink 4b is tightly attached to the plastic housing 11, so that the heat generated by the light source board 2 can be quickly transmitted to the plastic housing 11 through the boss 43 of the heat sink 4 b. The heat sink 4b has a circular outer shape, and the heat sink 4b has a zigzag longitudinal section. The heat radiating member 4b includes the above-described boss 43, an annular portion 44 attached to the bottom edge of the boss 43, and a vertical portion 45 attached to the outer edge of the annular portion 44. The boss 43 is used for supporting and fixing the light source plate 2 and the lens 3b, and the annular part 44 is closely attached to the metal partition plate 111, so that heat generated by the light source plate 2 can be transferred to the metal partition plate 111 through the boss 43 and the annular part 44, and the heat dissipation speed is increased. The vertical portion 45 is closely attached to the inner wall of the plastic housing 11, so that heat transfer can be accelerated. The speed of heat dissipation can be changed by changing the height of the vertical portion 45.

In another embodiment of the present application, referring to fig. 4 and 5, the height of the second accommodating cavity 102 along the axial direction is 28mm to 36mm, and the height is set close to the axial height of the reflective cup 3a, so that the reflective cup 3a and the optical element such as the lens 3b can be set in the second accommodating cavity 102. The axial height of the second receiving cavity 102 may be 30mm, 32mm, 34mm, etc.

In another embodiment of the present application, the driving assembly 5 includes a driving box and a driving board, the driving board is disposed in the driving box, and the driving board is electrically connected to the light source board 2, so that the driving board can control whether the light source board 2 is illuminated, the light intensity, the color temperature, and the like. The driving box can be a plastic box or a metal box. The drive box is fixed in plastic casing 11, makes to set up the clearance moreover between drive box and the metal partition 111, makes the heat that drive assembly 5 transmitted on the metal partition 111 reduce, reduces the influence of generating heat of drive plate to light source board 2. The driving box can be fixed on the inner wall of the plastic shell 11 by fixing means such as screw fixing. In other embodiments, the drive cartridge may be secured to the rear cover 13.

In another embodiment of the present application, the driving assembly 5 includes a driving board directly fixed to the inner wall of the plastic housing 11, so as to omit a driving box, and since the plastic housing 11 is a plastic part, the driving board directly fixed to the inner wall of the plastic housing 11 can also meet the safety requirements. More specifically, the inner wall of the plastic housing 11 has at least two slots facing each other, and the two sides of the driving board are respectively inserted into the two slots, so that the driving board is fixed on the inner wall of the plastic housing 11.

In another embodiment of the present application, please refer to fig. 2, the housing assembly 1 further includes a surface ring 12 and a back cover 13, the surface ring 12 and the back cover 13 are respectively disposed at two ends of the plastic housing 11, the surface ring 12 is disposed near the optical component, the surface ring 12 can press and fix the optical component to the second accommodating cavity 102, and the back cover 13 is disposed near the driving assembly 5 and is used for shielding an opening of the first accommodating cavity 101, so as to shield the driving assembly 5. Of course, the driving assembly 5 may be fixed to the rear cover 13. The rear cover 13 may be a plane cover or a spherical net cover, so that the first accommodating cavity 101 has a larger space for dissipating heat outwards. The structure of the rear cover 13 is not limited herein.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A track light, characterized by: including shell subassembly, luminous light source board, be used for reflection or refraction light optical element, be used for the drive assembly and the radiating piece of light source board, the shell subassembly is including the plastic shell that is the tube-shape setting, just the plastic shell is equipped with metal baffle at its axial direction's middle part, metal baffle will the plastic shell is separated into first chamber and the second of holding and is held the chamber, first axial height that holds the chamber is less than the second holds the axial height in chamber, drive assembly locates first the intracavity that holds, the radiating piece is located the second holds the intracavity, just the light source board is located on the radiating piece.

2. The track light of claim 1, wherein: the optical piece is a reflecting cup which is arranged on the periphery of the light source plate; the heat dissipation piece is a cylindrical piece with an opening at one end, and the light source board and the reflection cup are both arranged inside the heat dissipation piece.

3. The track light of claim 2, wherein: the radiating piece comprises an annular radiating part and an end cover part connected to one end of the annular radiating part, the end cover part is fixed on the metal partition plate, and the light source plate and the reflecting cup are fixed on the end cover part.

4. The track light of claim 1, wherein: the optical piece is a lens, and the lens cover is arranged on the light source plate; the heat dissipation piece is fixed in the metal partition plate, the heat dissipation piece is provided with a boss facing the protruding arrangement of the light source plate, and the light source plate is arranged on the surface of the boss.

5. The track light of claim 4, wherein: the heat dissipation piece is circular in outline, and the longitudinal section of the heat dissipation piece is in a shape of Chinese character 'ji'.

6. The track light of claim 1, wherein: the drive assembly comprises a drive box and a drive plate arranged in the drive box, the drive box is fixed on the plastic shell, and a gap is formed between the drive box and the metal partition plate.

7. The track light of claim 1, wherein: the driving assembly comprises a driving plate, and the driving plate is fixed on the inner wall of the plastic shell.

8. The track light of claim 1, wherein: the height of the second accommodating chamber in the axial direction is 28mm to 36 mm.

9. The track light of claim 1, wherein: the shell component further comprises a face ring and a rear cover which are arranged at two ends of the plastic shell respectively, the rear cover is close to the driving component, and the face ring is close to the optical component.

10. The track light of claim 9, wherein: the rear cover is a plane cover or a spherical net cover.

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