CN214700412U - Down lamp terminal box structure and down lamp - Google Patents

Abstract

The utility model provides a down lamp terminal box structure and down lamp, down lamp terminal box structure include heat dissipation cup, light source board and with light source board electric connection's binding post, light source board and binding post all set up in the heat dissipation cup, the wiring hole has been seted up to the bottom of heat dissipation cup, and the commercial power cable extends to through the wiring hole and is connected with binding post, and wiring hole department lid is equipped with the terminal box lid. The utility model provides a down lamp terminal box structure and down lamp sets up the wiring hole through the bottom at the heat dissipation cup, makes the inside circuit in ceiling can pass to the inside of down lamp from the wiring hole to switch on with binding post. Through set up the junction box lid in junction box department, make binding post and cable seal in the inside of heat dissipation cup to the function of replacing the terminal box, replaced the terminal box through the cooperation of heat dissipation cup and junction box lid promptly, be equivalent to hide the terminal box in the inside of heat dissipation cup, can not increase the height of down lamp, it is more convenient to install, can be applicable to the lower installation scene of furred ceiling height.

Description

Down lamp terminal box structure and down lamp

Technical Field

The utility model belongs to the technical field of the illumination, more specifically say, relate to a down lamp terminal box structure and down lamp.

Background

The down lamp is more and more popular among people as a conventional lighting lamp. Early down lamps mainly used half lamps and lanterns as the main, and this type of lamps and lanterns need install and use in the installation bucket, can not independent utility. With the continuous update of the down lamps and the requirement of a novel house structure, the full-light with the J-BOX junction BOX is used without designing an installation barrel on the house. The full lamp product is not limited by the mounting cylinder, is popular in the market and is more convenient to mount. However, the existing down lamp with a J-BOX junction BOX structure has two types, one type is a structure for separating the down lamp from the junction BOX, and the other type is a structure for directly superposing a mounting BOX on the back of a lamp cap, and the two types of structures have the problems of complex structure, high cost, overhigh down lamp, difficult mounting and the like.

Disclosure of Invention

An object of the embodiment of the utility model is to provide a down lamp terminal box structure and down lamp to solve the technical problem that the down lamp structure of taking the terminal box that exists among the prior art is complicated, with high costs, the down lamp is too high to lead to being difficult to the installation.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a down lamp terminal box structure, including heat dissipation cup, light source board and with light source board electric connection's binding post, the light source board with binding post all set up in the heat dissipation cup, the wiring hole has been seted up to the bottom of heat dissipation cup, and the commercial power cable passes through the wiring hole extend to with binding post connects, wiring hole department lid is equipped with the terminal box lid.

In one embodiment, the junction box cover is rotatably connected with the heat dissipation cup; or the junction box cover is detachably connected with the heat dissipation cup.

In one embodiment, one end of the connecting terminal is fixed and electrically connected to the light emitting side of the light source board, and the other end of the connecting terminal extends out of the light source board.

In one embodiment, the light source board is fixedly and electrically connected with a dimming module, and the bottom of the heat dissipation cup is provided with an avoiding hole through which a dimming switch key for controlling the dimming module passes.

In one embodiment, the bottom wall of the heat dissipation cup protrudes towards the inside of the heat dissipation cup to form a support boss, and the light source plate abuts against the support boss.

In one embodiment, when the junction box cover is arranged in the connection hole, a gap for a cable to pass through is formed between the side wall of the junction box cover and the connection hole.

In one embodiment, the heat dissipation cup is a metal cup and the junction box cover is a metal cover.

The utility model also provides a down lamp, including foretell down lamp terminal box structure, the down lamp still includes the face ring and anti-light cup, the face ring with heat dissipation cup fixed connection, anti-light cup set up in the inside of heat dissipation cup.

In one embodiment, the face ring and the reflective cup are integrally formed.

In one embodiment, the face ring is rotationally clamped with the heat dissipation cup.

The utility model provides a beneficial effect of down lamp terminal box structure and down lamp lies in: compared with the prior art, the utility model discloses down lamp terminal box structure, including heat dissipation cup, light source board and binding post, binding post electric connection is in the light source board, through offering the wiring hole in the bottom of heat dissipation cup, makes the inside circuit in ceiling can follow the inside that the wiring hole passed to the down lamp to switch on with binding post. Through set up the junction box lid in junction box department, make binding post and cable seal in the inside of heat dissipation cup to the function of replacing the terminal box, replaced the terminal box through the cooperation of heat dissipation cup and junction box lid promptly, be equivalent to hide the terminal box in the inside of heat dissipation cup, can not increase the height of down lamp, it is more convenient to install, can be applicable to the lower installation scene of furred ceiling height. In addition, in the down lamp junction box structure, the junction box body is a partial structure of the heat dissipation cup, so that the number of parts is reduced, the down lamp structure is simplified, and the cost is correspondingly reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a three-dimensional structure diagram of a down lamp provided by the embodiment of the present invention;

fig. 2 is an explosion structure diagram of the down lamp provided by the embodiment of the present invention;

fig. 3 is a three-dimensional structure diagram of a heat dissipation cup provided by the embodiment of the present invention;

fig. 4 is a three-dimensional structure diagram of the face ring and the reflective cup provided by the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-heat dissipation cup; 11-wiring holes; 12-a support boss; 13-avoiding holes; 21-a junction box cover; 22-a connection terminal; 3-a light source plate; 31-a dimming module; 32-dimmer switch key; 4-a light reflecting cup; 5-face ring; 6-lampshade.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

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

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

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

The down lamp is usually embedded in the ceiling, the heat dissipation shell and the terminal box at the back of the down lamp are both located in the ceiling, the heat dissipation shell at the back of the terminal box and the down lamp can lead to the back of the down lamp to be raised no matter in a separated setting or in an integrated setting, the height of the down lamp is too large, the down lamp is not beneficial to installation, and the applicable ceiling is also less (the ceiling cannot be applied when the ceiling is lower). The utility model discloses improve the terminal box structure of down lamp to above-mentioned problem.

It is right now that the embodiment of the utility model provides a down lamp terminal box structure explains.

In one embodiment of the present invention, please refer to fig. 1 and fig. 2 together, the down lamp includes heat dissipation cup 1, light source board 3 and connecting terminal 22 are disposed inside heat dissipation cup 1, the light source board 3 is provided with lamp beads, the light source board sends out light after receiving electricity for illumination, connecting terminal 22 and light source board 3 electric connection, through connecting terminal 22, can make light source board 3 realize the electric connection with the commercial power, thereby normally supplying power for light source board 3. Light source board 3 sets up in the inside of heat dissipation cup 1, and light source board 3 can produce the heat at the during operation, and it sets up when the inside of heat dissipation cup 1, firstly can make the heat that light source board 3 produced give off fast, secondly is equivalent to the shell of down lamp, can protect light source board 3 and binding post 22. Wiring hole 11 has been seted up to the bottom of heat dissipation cup 1, when needs switch on the circuit in binding post 22 and the ceiling, the circuit in the ceiling passes through wiring hole 11 and gets into the inside of heat dissipation cup 1, then is connected with binding post 22 in the heat dissipation cup 1, realizes the intercommunication of light source board 3 and commercial power. The wiring hole 11 is covered with a wiring box cover 21, after the wiring of the ceiling and the wiring terminal 22 is finished, the wiring box cover 21 is covered to seal the wiring hole 11, so that a relatively sealed state is formed between the down lamp and the outside, the fireproof function of the down lamp is ensured, and when a fire disaster happens to one floor of a building, the flame cannot jump to the upper floor through the down lamp. Specifically, in the prior art, the terminal 22 is disposed inside the junction box, and the junction box body is disposed on the back of the heat dissipation cup 1 in a box shape. The utility model discloses an in the embodiment, cancel the terminal box body, binding post 22 directly sets up in heat dissipation cup 1's inside, replaces the terminal box body and realizes the function of terminal box body by heat dissipation cup 1, sets up wiring hole 11 on heat dissipation cup 1, and binding post 22 of being convenient for works a telephone switchboard to establish junction box cover 21 in wiring hole 11 department lid, in order to seal heat dissipation cup 1. So, the structure of down lamp is simpler, need not to set up the terminal box body, and the structure is simpler, and the cost is corresponding to be reduced, and in addition, the high reduction of down lamp also can be suitable for when the furred ceiling of ceiling is lower.

The down lamp in the above-mentioned embodiment, including heat dissipation cup 1, light source board 3 and binding post 22, binding post 22 electric connection is in light source board 3, through seting up wiring hole 11 in the bottom of heat dissipation cup 1, makes the inside circuit of ceiling can pass to the inside of down lamp from wiring hole 11 to switch on with binding post 22. Through setting up junction box cover 21 in wiring hole 11 department, make binding post 22 and cable seal in the inside of heat dissipation cup 1 to the function of replacing the terminal box, replaced the terminal box through the cooperation of heat dissipation cup 1 and junction box cover 21 promptly, be equivalent to hide the terminal box in the inside of heat dissipation cup 1, can not increase the height of down lamp, it is more convenient to install, can be applicable to the lower installation scene of furred ceiling height. In addition, in the terminal box structure of the down lamp, the terminal box body is a partial structure of the heat dissipation cup 1, so that the number of parts is reduced, the structure of the down lamp is simplified, and the cost is correspondingly reduced.

In one embodiment of the present invention, please refer to fig. 1, the terminal box cover 21 is rotatably connected to the heat dissipation cup 1, when installing the tube light, the terminal box cover 21 is first rotated to open the heat dissipation cup 1, the line on the ceiling passes through the wiring hole 11 to be connected to the wiring terminal 22, after the line is connected, the terminal box cover 21 is rotated to the heat dissipation cup 1, so that the terminal box cover 21 is closed at the wiring hole 11, the wiring hole 11 is blocked, then the tube light is placed in the ceiling, and the spring is fixed in the ceiling under the fastening of the spring.

Optionally, the rotation axis of the junction box cover 21 relative to the rotation of the heat dissipation cup 1 is located on one side of the junction box cover 21, and the other side of the junction box cover 21 can be provided with a buckle structure, so that the junction box cover 21 can be connected with the inner wall of the wiring hole 11 in a buckle mode when rotating to block the wiring hole 11, and the junction box cover 21 is prevented from rotating automatically to enhance the sealing performance inside the down lamp. Or, the junction box cover 21 is connected with the wiring hole 11 in an interference fit manner, when the junction box cover 21 rotates to be shielded at the wiring hole 11, the inner wall of the junction box cover 21 and the inner wall of the wiring hole 11 are mutually squeezed and abutted, so that the purpose of limiting the junction box cover 21 to rotate automatically is achieved.

In another embodiment of the present invention, the junction box cover 21 is detachably connected to the heat dissipation cup 1. When the down lamp is installed, the terminal box cover 21 is taken down from the heat dissipation cup 1, a line of a ceiling penetrates through the wiring hole 11 to be connected with the wiring terminal 22, after the line is connected, the terminal box cover 21 is closed at the wiring hole 11, the wiring hole 11 is shielded, the down lamp is placed into the ceiling, and the down lamp is fixed in the ceiling under the clamping of the spring.

Optionally, the junction box cover 21 is connected with the heat dissipation cup 1 in a snap-fit manner, and at least two opposite sides of the junction box cover 21 are provided with snap-fit structures, so that the junction box cover 21 can be stably connected to the heat dissipation cup 1 in a snap-fit manner. Or, the junction box cover 21 is connected with the wiring hole 11 in an interference fit manner, when the junction box cover 21 is covered on the wiring hole 11, the inner wall of the junction box cover 21 and the inner wall of the wiring hole 11 are mutually extruded and abutted, so that the purpose of limiting the junction box cover 21 to rotate automatically is achieved. Alternatively, the junction box cover 21 may be fixed to the heat dissipation cup 1 by a screw or the like, so as to cover the wiring hole 11.

In one embodiment of the present invention, referring to fig. 1 and 2, the connecting terminal 22 is fixed and electrically connected to the light source board 3. For example, the connection terminals 22 are soldered to the light source board 3. Like this, binding post 22 need not to set up fixed knot and constructs, also need not to switch on through cable etc. and light source board 3, makes down lamp inner structure simpler. Wherein, binding post 22's one end is fixed in the light-emitting side of light source board 3, set up the one side in the heat dissipation cup 1 bottom dorsad of light source board 3 promptly, in order to make binding post 22 can expose in wiring hole 11 after opening junction box lid 21, the wiring of being more convenient for, binding post 22's the other end stretches out light source board 3 and sets up, this part that binding post 22 stretches out light source board 3 can be through wiring hole 11 visual, the user of being convenient for sees clearly the wiring position, after opening junction box lid 21, it can directly peg graft with binding post 22.

In one embodiment of the present invention, please refer to fig. 1 and fig. 2, the junction box structure of the down lamp further includes a dimming module 31, the dimming module 31 is electrically connected to the light source board 3, and the dimming module 31 can adjust the light intensity or the color temperature of the light source board 3, so that the down lamp has more functions and is more available in the market. Dimming module 31 can be fixed on light source board 3, for example fixes on light source board 3 through modes such as welding, has both solved the fixed problem of dimming module 31, has solved dimming module 31 and light source board 3 electric connection's problem simultaneously again.

Optionally, referring to fig. 3, a dimming switch key 32 is disposed on the dimming module 31, and the dimming switch key 32 is used for controlling the dimming module 31 to implement a light intensity adjusting function or a color temperature adjusting function. The light-adjusting switch key 32 can be a dial key or a knob, the bottom of the heat dissipation cup 1 is provided with the avoiding hole 13, the light-adjusting switch key 32 penetrates through the avoiding hole 13 to be arranged, the light-adjusting switch key 32 can be exposed, and the color temperature or the light intensity of the light source can be adjusted from the outside of the down lamp. Wherein, module 31 of adjusting luminance can set up in the edge of light source board 3, like this, need not to offer the hole that supplies the on-off switch key 32 of adjusting luminance to pass on light source board 3, and the on-off switch key 32 of adjusting luminance directly extends to the outside of heat dissipation cup 1 from the edge of light source board 3, need not pass light source board 3.

In one embodiment of the present invention, referring to fig. 2 and 3, a supporting boss 12 is formed on the bottom wall of the heat dissipation cup 1 protruding toward the inside of the heat dissipation cup 1, the light source plate 3 abuts against the supporting boss 12, and the direct contact area between the light source plate 3 and the heat dissipation cup 1 is the surface area of the supporting boss 12. The bottom wall of the heat dissipation cup 1 is provided with the supporting boss 12, so that the effect is as follows: when light source plate 3 is direct and the level and smooth diapire contact of heat dissipation cup 1, the level and smooth diapire area of heat dissipation cup 1 is too big, the condition of unevenness often appears, and the plane degree is relatively poor, so light source plate 3 and the actual area of contact of heat dissipation cup 1 diapire are less, probably are a plurality of point contacts, lead to heat dispersion relatively poor. When the light source plate 3 abuts against the support boss 12, the area of the support boss 12 is relatively small, and the flatness is high, so that in actual use, the light source plate 3 is in surface contact with the support boss 12, and the actual contact area of the light source plate 3 and the heat dissipation cup 1 is ensured.

In one embodiment of the present invention, when the connection box cover 21 is disposed at the connection hole 11, a gap is formed between the side wall of the connection box cover 21 and the connection hole 11, and the gap is used for the cable (the cable connecting the connection terminal 22 and the wiring in the ceiling) to pass through. Specifically, the length of the terminal cover 21 in one direction is smaller than the length of the connection hole 11 in the same direction, so that a bar-shaped gap, an arc-shaped gap, or the like is formed between the terminal cover 21 and the connection hole 11 when the two are engaged. Or, the size of the junction box cover 21 is matched with that of the connection hole 11, a line hole is formed in the edge of the junction box cover 21 or the connection hole 11, or line holes are formed in both the junction box cover 21 and the connection hole 11, so that a cable can pass through the line hole.

In one embodiment of the present invention, the heat dissipation cup 1 is a metal cup, and the junction box cover 21 is a metal cover. When the heat dissipation cup 1 is a metal cup, such as an aluminum cup, a copper cup, etc., the heat dissipation coefficient is high, the heat dissipation performance is good, and the heat generated by the light source plate 3 can be dissipated more quickly. Moreover, as the heat dissipation cup 1 replaces the junction box body, the heat dissipation cup 1 is a metal cup, and the junction box cover 21 is a metal cover, better fireproof performance can be ensured, and flame can be prevented from jumping up to the inside of the ceiling.

The utility model discloses still provide a down lamp, please refer to fig. 1 and fig. 2, the down lamp includes the down lamp terminal box structure of any above-mentioned embodiment. The down lamp also comprises a face ring 5 and a reflection cup 4, wherein the reflection cup 4 is arranged in the heat dissipation cup 1 and used for reflecting light emitted by the light source plate 3, so that the light intensity and the uniform light can be improved. The surface ring 5 is fixedly connected with the heat dissipation cup 1, and the reflection cup 4 and the light source plate 3 can be tightly pressed and fixed in the heat dissipation cup 1. Referring to fig. 2, the down lamp further includes a lamp shade 6, the lamp shade 6 is covered at the opening of the reflective cup 4 and can be clamped with the inner ring of the face ring 5 in a matching manner, and the lamp shade 6 can be used for uniform light.

The utility model provides a down lamp has adopted the down lamp terminal box structure in above-mentioned arbitrary embodiment, and down lamp terminal box structure includes heat dissipation cup 1, light source board 3 and binding post 22, and binding post 22 electric connection is in light source board 3, through offering wiring hole 11 in the bottom of heat dissipation cup 1, makes the inside circuit in ceiling can follow wiring hole 11 and pass to the inside of down lamp to switch on with binding post 22. Through setting up junction box cover 21 in wiring hole 11 department, make binding post 22 and cable seal in the inside of heat dissipation cup 1 to the function of replacing the terminal box, replaced the terminal box through the cooperation of heat dissipation cup 1 and junction box cover 21 promptly, be equivalent to hide the terminal box in the inside of heat dissipation cup 1, can not increase the height of down lamp, it is more convenient to install, can be applicable to the lower installation scene of furred ceiling height. In addition, in this down lamp terminal box structure, because the junction box body is the partial structure of heat dissipation cup 1 promptly, consequently reduced part quantity, simplified the down lamp structure, the cost also reduces correspondingly.

In one embodiment of the present invention, please refer to fig. 4, the surface ring 5 and the reflective cup 4 are integrally formed, so that the surface ring 5 and the reflective cup 4 do not need to be provided with a fixing structure, and the structure of the down lamp can be further simplified. When the down lamp is installed, the face ring 5 and the reflection cup 4 are installed together, and when the face ring 5 and the heat dissipation cup 1 are fixed, the reflection cup 4 is pressed on the light source plate 3 to compress and fix the light source plate 3.

Optionally, the face ring 5 and the reflective cup 4 are integrally formed by injection molding, so that the material cost of the down lamp can be reduced. And when the light reflecting cup 4 is made of light-colored plastic, a light reflecting layer does not need to be additionally coated, and light can be reflected by the light-colored plastic. The surface ring 5 and the reflection cup 4 can also be made of metal materials, and a high-reflectivity layer can be coated in the reflection cup 4, so that the light-emitting intensity and the light-emitting uniformity of the down lamp are ensured.

Optionally, face ring 5 and the rotatory joint of heat dissipation cup 1, so, when the installation down lamp, can with the face ring 5 direct rotatory joint on heat dissipation cup 1, need not to adopt mounting such as screw, can shorten installation time, the later stage also can be more convenient when dismantling the maintenance to the down lamp in addition.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a down lamp terminal box structure which characterized in that: including heat dissipation cup, light source board and with light source board electric connection's binding post, the light source board with binding post all set up in the heat dissipation cup, the wiring hole has been seted up to the bottom of heat dissipation cup, and the commercial power cable passes through the wiring hole extend to with binding post connects, wiring hole department lid is equipped with the junction box lid.

2. A downlight junction box structure according to claim 1, wherein: the junction box cover is rotationally connected with the heat dissipation cup; or the junction box cover is detachably connected with the heat dissipation cup.

3. A downlight junction box structure according to claim 1, wherein: the one end of the wiring terminal is fixed and electrically connected with the light emitting side of the light source plate, and the other end of the wiring terminal stretches out of the light source plate.

4. A downlight junction box structure according to claim 1, wherein: fixed and electric connection has the module of adjusting luminance on the light source board, the hole of dodging has been seted up to the bottom of heat dissipation cup for control the on-off key that adjusts luminance of module passes the hole setting of dodging.

5. A downlight junction box structure according to claim 1, wherein: the bottom wall of the heat dissipation cup protrudes towards the inside of the heat dissipation cup to form a support boss, and the light source plate is abutted to the support boss.

6. A downlight junction box structure according to claim 1, wherein: the junction box cover is arranged on the junction hole, and a gap for the cable to pass through is formed between the side wall of the junction box cover and the junction hole.

7. A downlight junction box structure according to any one of claims 1 to 6, wherein: the radiating cup is a metal cup, and the junction box cover is a metal cover.

8. A down lamp, its characterized in that: the down lamp junction box structure of any one of claims 1 to 7, further comprising a face ring and a reflective cup, wherein the face ring is fixedly connected with the heat dissipation cup, and the reflective cup is arranged inside the heat dissipation cup.

9. A downlight according to claim 8, wherein: the face ring and the reflection cup are integrally formed.

10. A downlight according to claim 8, wherein: the face ring is rotationally clamped with the heat dissipation cup.

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