JP3227533U - lighting equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting fixture in which a lamp cover covers a port at one end of a power supply box, assembly is simple, assembly efficiency is high, and cost is low.
A luminaire includes a base and an accommodating portion connected to each other, the peripheral edge of the accommodating portion is in contact with the inside of the base portion, and the accommodating portion has a base 100 in which an accommodating groove 101 is opened, and at least partially. A power supply box 200 housed in the housing unit, a drive unit 300 provided in the power supply box, a light source plate 400 attached to the base and electrically connected to the drive unit via a connection cable, and a lamp connected to the base. An inlet for inserting a power supply box is formed at an end of the accommodating groove toward the lamp cover, including the cover 500, the lamp cover covers the inlet, and a cable accommodating groove 121 is provided on the surface of the accommodating portion near the lamp cover. It is opened, the cable accommodating groove communicates with the accommodating groove, and the connecting cable between the light source plate and the accommodating groove is arranged in the cable accommodating groove.
[Selection diagram] Fig. 3

Description

The present invention belongs to the technical field of lighting equipment, and more specifically, it relates to lighting equipment.

Lighting fixtures such as LED ceiling lamps are one of the indoor lighting equipment and can be used in homes, offices, restaurants, entertainment facilities and the like. In conventional LED headlamps, the sealing lamp base and the cover of the power box are installed integrally, the power box is assembled from the bottom, the base is pierced and the power line is introduced into the cable housing groove, thus LED headlamps that employ a simple structure are difficult to operate when assembling parts, and the assembly efficiency of the product is low.

An object of the embodiment of the present invention is to provide a luminaire that solves the technical problems of difficulty in assembling and low assembly efficiency in conventional luminaires.

The technical solution adopted in the present invention to achieve the above object is
It ’s a lighting fixture,
A base that includes a base and an accommodating portion that are connected to each other, the base portion is hollow, the peripheral edge of the accommodating portion is in contact with the inside of the base portion, and the accommodating portion is provided with an accommodating groove.
A power supply box that is at least partially housed in the housing
The drive unit provided in the power supply box and
A light source plate attached to the base and electrically connected to the drive unit via a connection cable.
Including a lamp cover connected to the base
Here, an inlet for inserting the power supply box is formed at the end of the accommodating groove toward the lamp cover, the lamp cover covers the inlet, and the surface of the accommodating portion close to the lamp cover A cable accommodating groove is opened, the cable accommodating groove communicates with the accommodating groove, and the connecting cable between the light source plate and the accommodating groove provides a lighting fixture arranged in the cable accommodating groove.

Optionally, the cross section of the accommodating groove is circular, with an end face opening at the other end of the accommodating groove facing the inlet, the power supply box is generally tubular, and the groove wall of the accommodating groove. An annular staircase surface is formed in the power box, and an end portion of the outer wall of the power supply box near the lamp cover extends outward to form a flange, and the flange abuts on the annular staircase surface.

Optionally, the groove wall of the accommodating groove is provided with a plurality of studs spaced apart from each other in the circumferential direction, each of the studs is connected with a screw, and at least a part of the stud is the center of the luminaire. Protruding and extending toward the axis,
Positions corresponding to the studs on the outer wall of the power supply box are recessed to form positioning grooves, and the studs are accommodated in conformity with the corresponding positioning grooves and correspond to the positioning grooves of the flange. A through hole is provided at each of the positions to be used, and the screw is connected to the stud through the through hole in order to fix the power supply box to the base.

Optionally, the accommodating portion comprises a connecting wall and a convex ring connected to each other, the peripheral edge of the connecting wall is in contact with the inside of the base, and the connecting wall is generally bowl-shaped. Moreover, the width of the cross section gradually decreases from the direction away from the light emitting end of the luminaire to the direction approaching the light emitting end of the luminaire, and the end of the connecting wall away from the base is provided with an opening. The convex ring is provided in the opening and projects in a direction away from the light emitting end of the luminaire, and the inner side wall of the convex ring and the connection wall are jointly surrounded by a housing groove, and the connection is formed. The cable accommodating groove is provided on the surface of the wall close to the lamp cover.

Optionally, the lamp cover includes an integrally molded planar ring, a connecting arm, and a cover body, the planar ring is detachably connected to the base, and the planar ring is The inside is hollow and annular, the cross section of the cover is circular, the connecting arm is connected between the inside of the planar ring and the peripheral edge of the cover, and the connecting arm is The cable accommodating groove is covered, and the cover body covers the inlet of the accommodating groove.

Optionally, the connecting arm is in close contact with the connecting wall and the cover is in contact with the end face of the inlet of the accommodating groove.

Optionally, a plurality of the cable accommodating grooves are provided at equal intervals on the surface of the connection wall close to the lamp cover, and the plurality of connection arms are provided between the planar ring and the cover body. , The plurality of connection arms are arranged at intervals from each other, a ventilation passage is formed between the two adjacent connection arms, and the position of each connection arm corresponds to the position of each cable accommodating groove one by one. The connecting arm covers the corresponding cable accommodating groove.

Optionally, a plurality of heat radiating holes are formed at intervals in the circumferential direction of the connecting wall, and the heat radiating holes are arranged so as to be offset from the connecting arm.

Optionally, the base comprises a hollow annular, the light source plate comprises an annular substrate and a plurality of lamp beads spaced apart in the circumferential direction of the substrate, the substrate being a tightening member. It is attached to the base via.

Optionally, the power supply box is riveted with conductive pins, one end of the conductive pin is electrically connected to the drive unit, and the other end extends from the power supply box to drive the drive. The unit is electrically connected to an external power source via the conductive pin.

The beneficial effects of the luminaire according to the present invention are as follows. Compared with the prior art, the luminaire of the present invention is provided with a storage groove for accommodating the power supply box in the accommodating portion of the base, and when assembling, the power supply box can be directly inserted into the accommodating groove from above. The accommodating section is provided with a cable accommodating groove so that the connecting cable can be pulled into the cable accommodating groove and connected to the light source plate for easy operation without making holes. After the lamp cover is assembled, it can cover the inlet of the containment groove and cover the port at one end of the power box, eliminating the need for a power box cover to cover the port of the power box, reducing the mold opening and assembly process. , Product assembly is simple, high assembly efficiency and low cost.

In order to further clarify the technical solution according to the embodiment of the present invention, the drawings which need to be used for the description of the embodiment or the prior art will be briefly described below, but clearly, the following description will be given. The drawings in are only some embodiments of the present invention. Those skilled in the art can obtain other drawings from these drawings without any creative ingenuity.

It is a perspective view of the luminaire provided by embodiment of this invention. It is a perspective view of another angle of the luminaire shown in FIG. It is an exploded view of the lighting fixture shown in FIG. It is a top view of the structure of the luminaire shown in FIG. It is sectional drawing which follows the AA line of FIG. FIG. 5 is a configuration diagram in which the lighting fixture shown in FIG. 1 is removed from the lamp cover. It is a perspective view of the base of the luminaire shown in FIG. FIG. 7 is a perspective view of another angle of the base shown in FIG. It is a perspective view of the lamp cover of the lighting fixture shown in FIG. It is a perspective view of the bottom base of the luminaire shown in FIG.

In order to make it easier to understand the technical problems, the technical solutions, and the effects of the invention to be solved by the present invention, the present invention will be described in detail with reference to the accompanying drawings and examples below. It should be understood that the specific examples described herein are merely for explaining the present invention and not for limiting the present invention.

When one member is referred to as being "fixed" or "installed" on another member, it may be located directly or indirectly on another member. It should be noted that when one member is referred to as being "connected" to another member, it may be connected directly or indirectly to another member.

In the description of the present invention, "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" The orientations or positional relationships indicated by terms such as "bottom", "inside", and "outside" are based on the orientations or positional relationships shown in the drawings, for easy and brief explanation of the present invention. It is not intended to limit or imply that the device or component has a particular orientation and must be configured and operated in a particular orientation, and is not intended to imply or imply. Please understand that there is no such thing.

Also, the terms "first" and "second" are used for explanatory purposes only, indicating or implying relative importance, or implying the number of technical features shown. Don't understand it as a purpose. Therefore, a feature limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specified and specified.

The luminaire provided by the embodiment of the present invention will be described with reference to FIGS. 1 to 3. The luminaire may be, but is not limited to, an LED headlamp, and includes a base 100, a power supply box 200, a drive unit 300, a light source plate 400, and a lamp cover 500. The base 100 includes a base 110 and an accommodating portion 120 connected to each other, the base 110 exhibits a hollow structure, the peripheral edge of the accommodating portion 120 is in contact with the inside of the base 110, and the accommodating groove 101 is provided in the accommodating portion 120. It will be opened. One end of the power supply box 200 is provided with a port for easily installing the drive unit 300, and the power supply box 200 is at least partially accommodated in the accommodating groove 101, and between the power supply box 200 and the groove wall of the accommodating groove 101, A fitting positioning structure may be provided to facilitate the attachment of the power supply box 200. A retaining structure may be provided between the power supply box 200 and the accommodating groove 101 to prevent the power supply box 200 from coming off the base 100 after being put into the base 100. The drive unit 300 may be provided in the power supply box 200, and the drive unit 300 may be adhered to the power supply box 200. Specifically, the drive unit 300 is fixed in the power supply box 200 by a method of pouring an adhesive. Can be adopted. The lamp cover 500 may be connected to the base 110 of the base 100, both of which may adopt a removable structure, or the lamp cover 500 may use a transparent or translucent member to protect the light guide and the light source. Good. The light source plate 400 is attached to the base 100, the light source plate 400 is electrically connected to the drive unit 300 via a connection cord (not shown), and the light source is placed on the surface of the light source plate 400 toward the lamp cover 500. The light source provided may be a plurality of LED lamp beads.

Compared with the prior art, the luminaire provided by the present invention is provided with a storage groove 101 for accommodating the power supply box 200 in the accommodating portion 120 of the base 100, and when assembling, the power supply box 200 is directly accommodated from above. Can be put in. A cable accommodating groove 121 is provided in the accommodating portion 120, a connection cord is introduced into the cable accommodating groove 121, and is connected to the light source plate 400, so that the operation is easy without making a hole. When the lamp cover 500 is assembled, the inlet of the accommodating groove 101 is covered, the port at one end of the power supply box 200 can be covered, the power supply box 200 cover for covering the port of the power supply box 200 becomes unnecessary, and the mold opening and assembly are performed. The process is reduced, the product assembly is simple, the assembly efficiency is high, and the cost is low.

The base 100 is used to be attached to a fixed surface, for example, it may be attached to the fixed surface via screws, and the fixed surface may be a ceiling, a table surface, a wall surface, or the like. The lamp cover 500 and the base 100 may be assembled by a fastening method. For example, the outer edges of the lamp cover 500 and the base 100 may be provided with a fastening structure or another removable connection structure that fits each other so that the two can be removed. Easy and convenient to assemble. The drive unit 300 can control the operating state of the light source on the light source plate 400, and specific functions can include adjustment of the emission brightness of the light source, change of the operating state, overheat protection, and the like. The light emitting surface of the lamp cover 500 may be a matte surface, whereby the light emitted by the light source of the light source plate 400 is softened to prevent dazzling.

In one embodiment, as shown in FIGS. 3 to 5, an end face opening is provided at the other end facing the inlet of the accommodation groove 101, and both ends of the accommodation groove 101 in the axial direction are both open. The cross section of the accommodating groove 101 has a circular shape, and the power supply box 200 has a tubular shape as a whole. A retaining structure is provided between the power supply box 200 and the accommodation groove 101, and an annular staircase surface 102 is formed on the groove wall of the accommodation groove 101, and one end close to the lamp cover 500 on the outside of the power supply box 200. A flange 210 is formed extending outward, the flange 210 abuts on the annular staircase surface 102, a retaining structure is formed between the flange 210 and the annular staircase surface 102, and the power supply box 200 is inserted into the base 100. After that, it is prevented from coming off from the base 100.

After the power supply box 200 is inserted into the accommodation groove 101, one end surface of the power supply box 200 is located below the corresponding end surface of the accommodation portion 120, and the other end of the power supply box 200 can extend from the accommodation groove 101. .. At the time of assembly, the power supply box 200 is inserted directly into the accommodating groove 101 from above the base 100, the flange 210 of the power supply box 200 abuts on the annular staircase surface 102, and the power supply box 200 is further assembled with the base 100 by another method. And fix it. A notch 240 may be provided at a position corresponding to each cable accommodating groove 121 on the peripheral wall of the power supply box 200, the width of the notch 240 being adapted to the width of the cable accommodating groove 121, and thus the power supply box 200. Is placed in the base 100, the position of the power supply box 200 corresponding to the cable accommodating groove 121 is substantially aligned with the inner bottom surface of the cable accommodating groove 121, facilitating wiring.

In one embodiment, as shown in FIGS. 3, 5 and 7, a plurality of studs 131 are provided at intervals in the circumferential direction of the groove wall of the accommodating groove 101, and each stud 131 has a screw 700. Connected, at least a portion of the stud 131 projects and extends in a direction closer to the central axis of the luminaire. Positions corresponding to each stud 131 on the outer wall of the power box 200 are recessed to form a positioning groove 220, and the stud 131 is housed in the corresponding positioning groove 220 and is a position corresponding to each positioning groove 220 of the flange 210. A through hole 230 is opened in the screw 700, and a screw 700 is connected to the stud 131 through the through hole 230 in order to fix the power supply box 200 to the base 100.

That is, the stud 131 and the positioning groove 220 form a positioning structure, and at the time of assembly, the power supply box 200 is turned, the positioning groove 220 is aligned with the hole of the screw 700, the power supply box 200 is inserted into the base 100, and then each screw. Tightening the 700 completes the assembly operation between the power box 200 and the base 100.

In one embodiment, as shown in FIGS. 6-8, the accommodating portion 120 includes a connecting wall 120 and a convex ring 130 that are connected to each other, and the peripheral edge of the connecting wall 120 is in contact with and connected to the inside of the base 110. The wall 120 and the convex ring 130 are integrally molded. The connecting wall 120 has an overall bowl shape, gradually decreasing from the direction away from the light emitting end of the luminaire to the direction closer to the light emitting end of the luminaire, and the end away from the base 110 of the connecting wall 120 is open. The convex ring 130 is provided in the opening and extends in a direction away from the light emitting end of the luminaire. The central axis of the convex ring 130 overlaps with the central axis of the luminaire, and the inner side wall of the convex ring 130 and the connecting wall 120 are jointly surrounded by the accommodating groove 101, and the cable is accommodated on the surface of the connecting wall 120 close to the lamp cover 500. A groove 121 is provided. After assembling the power supply box 200, the ends of the power supply box 200 away from the lamp cover 500 are aligned or nearly aligned with the bottom surface of the base 110 of the base 100, i.e., the distance at which the connecting wall 120 projects to one side. , Can be set according to the thickness of the power supply box 200.

In one embodiment, as shown in FIGS. 1, 7 and 9, the lamp cover 500 includes an integrally molded planar ring 510, a connecting arm 520, and a cover body 530, wherein the planar ring 510 is The inside is hollow and has an annular shape, the cross section of the cover body 530 has a circular shape, the connecting arm 520 is connected between the inside of the planar ring 510 and the peripheral edge of the cover body 530, and the connecting arm 520 is The cable accommodating groove 121 is covered, and the cover body 530 covers the inlet of the accommodating groove 101. The diameter of the cover body 530 is slightly larger than the diameter of the accommodating groove 101.

The width and number of the connection arms 520 are set according to the actual application situation so that the connection strength between the flat ring 510 and the cover body 530 can be guaranteed and the heat dissipation performance of the luminaire can be compatible. May be done. The overall contour of the lamp cover 500 is similar to the overall contour of the base 100, and the end of the connecting arm 520 near the cover 530 is tilted towards the central axis of the luminaire. Along the axial direction of the luminaire, there is a gap between the cover body 530 of the lamp cover 500 and the flat ring 510, and the central axes of the cover body 530, the flat ring 510, and the accommodation groove 101 overlap each other. There is.

The planar ring 510 is detachably connected to the base 110 and employs, for example, an engaging structure. Specifically, a plurality of locking hooks 511 are installed at equal intervals around the planar ring 510 in the circumferential direction, and locking holes 512 are provided at positions close to the respective locking hooks 511 around the planar ring 510. A relief groove 112 may be provided at a position corresponding to each locking hook 511 around the base 110, and a protrusion 111 may be provided at a position corresponding to the relief groove 112 around the base 110. When the 111 is fitted to the locking hole 512 and, at the time of attachment, aligns the locking hole 512 of the planar ring 510 with the corresponding protrusion 111 and pushes it downwards, the locking hook 511 is on the base 110. The bottom surface is locked and the protrusions 111 engage the locking holes 512 to allow assembly between the lamp cover 500 and the base 100. A positioning structure such as a positioning staircase and a ring-shaped positioning groove 220 may be provided between the flat ring 510 and the base 110 so as to fit each other.

In one embodiment, as shown in FIGS. 5, 7 and 9, the connecting arm 520 is in close contact with the connecting wall 120 and the cover body 530 is in contact with the end face of the inlet of the accommodating groove 101, thus assembling the product. The latter structure is compact and the product thickness is small. The width of the connecting arm 520 conforms to the width of the cable accommodating groove 121, and a staircase may be formed on the groove wall of the cable accommodating groove 121. Both sides of the connecting arm 520 in the width direction abut on the staircase, and the lamp cover. When the 500 is attached to the base 100, at least a portion of the connecting arm 520 is housed in the cable housing groove 121, which can reduce the overall thickness of the luminaire and make the product thinner. The rotation angle connected to the connection arm 520 and the cover body 530 may be an arch-shaped transition, and the rotation angle of the stairs of the cable accommodating groove 121 is also an arch-shaped transition, whereby it is possible to avoid damaging the base 100 during assembly. ..

In one embodiment, as shown in FIGS. 6 and 7, a plurality of cable accommodating grooves 121 are provided at equal intervals on the surface of the connection wall 120 close to the lamp cover 500, and the flat ring 510 and the cover body 530 are formed. A plurality of connecting arms 520 are provided between them, the plurality of connecting arms 520 are arranged at intervals from each other, and the plurality of connecting arms 520 may be arranged at equal intervals, and two adjacent connections are connected. Ventilation passages 501 are formed between the arms 520, and the positions of the connecting arms 520 correspond to the positions of the cable accommodating grooves 121 one by one, and the connecting arm 520 covers the corresponding cable accommodating grooves 121. .. At the time of assembly, one end of the connecting cable can penetrate the cable accommodating groove 121 having the shortest distance, so that the problem of short connecting cable does not occur.

In one embodiment, as shown in FIGS. 7 and 8, a plurality of heat radiating holes 122 are provided at intervals in the circumferential direction of the connection wall 120, and the heat radiating holes 122 are arranged so as to be offset from the connection arm 520. As a result, the amount of heat generated by the power supply box 200 is sequentially released to the outside from the heat radiating hole 122 and the ventilation passage 501, the heat radiating performance of the luminaire is good, and the service life of the product is long. In one embodiment, three arc-shaped heat radiation holes 122 are provided at equal intervals in the circumferential direction of the connection wall 120, three connection arms 520 are provided, and two adjacent connection arms 520 are spaced at 120 °. Each arc-shaped radiating hole 122 is displaced from the connecting arm 520, and when viewed from the front, the luminaire has a structure similar to a handle as a whole.

In one embodiment, the base 110 exhibits a hollow annular shape, as shown in FIGS. 3, 6 and 7. The light source plate 400 includes a substrate 410 having an annular shape and a plurality of lamp beads 420 installed at intervals in the circumferential direction of the substrate 410, and the substrate 410 is attached to the base 100 via a tightening member. The substrate 410 may be an aluminum substrate that is integrally molded and exhibits an annular shape, or may be configured by connecting a plurality of fan-shaped aluminum substrates. For example, fan-shaped aluminum having three sizes matching each other. It is composed by connecting the substrates. The central axes of the light source plate 400, the base 100, and the lamp cover 500 overlap. Specifically, the plurality of lamp beads 420 may be arranged at equal intervals in the circumferential direction on the substrate 410, and screws can be used for the tightening parts, that is, the light source plate 400 is connected to the base 100 of the base 100 via the screws. It is fitted to 110 and fixed. The small change in size of the entire base 100 allows you to replace older lamps, meet compatibility, eliminate the need to drill holes or dig grooves in the fixed surface, save costs, and the original fixed surface Can keep the appearance of.

A male connector may be provided at the output end of the drive unit 300, one end of the connection cable is connected to the input end of the light source plate 400, and the other end of the connection cable is provided with a female connector compatible with the male connector. May be good.

In one embodiment, as shown in FIGS. 3 and 10, conductive pins 600 are riveted to the power supply box 200, one end of the conductive pin 600 is electrically connected to the drive unit 300, and the other end is the power supply box. Extending from 200, the drive unit 300 may be electrically connected to an external power source via conductive pins 600, and the conductive pins 600 may be a set of copper needles arranged at intervals.

During assembly, the two copper needles are riveted and tightened into the power supply box 200, the drive unit 300 is placed inside the power supply box 200, and the adhesive is poured into the power supply box 200, and after the adhesive has dried, the power supply box 200 is closed. Insert it into the accommodating groove 101 of the base 100 from above, tighten the power supply box 200 and the base 100 with screws 700, attach the light source plate 400 to the base 100, connect the light source plate 400 to the drive unit 300 with a connection cable, and connect the connection cable to the cable. It is put into the accommodating groove 121, and finally the lamp cover 500 is covered with the base 100, and the lamp cover 500 is aligned with the base 100 and engaged. The product assembly operation has few steps, the device operation is easy, the assembly efficiency is high, the total number of parts is small, the cost is low, and it is suitable for mass production.

A drive power source that is electrically connected to the drive unit 300 may also be provided in the power supply box 200. A conductive pin 600 is riveted to the power supply box 200, and one end of the conductive pin 600 is a cable. The other end may be electrically connected to the drive power supply via the power supply box 200, and the other end is electrically connected to the drive power supply and the external power supply via the conductive pin 600. There is.

The above is only an excellent example of the present invention and does not limit the present invention. Any changes made within the spirit and principles of the present invention, replacements and improvements with equivalents, etc. should be within the scope of the present invention.

100 Base 200 Power supply box 300 Drive unit 400 Light source plate 500 Lamp cover 600 Conductive pin 700 Screw 101 Storage groove 102 Circular staircase 110 Base 120 Storage part 111 Protrusion 112 Relief groove 120 Connection wall 121 Cable storage groove 122 Radiation hole 130 Convex ring 131 Stud 210 Flange 220 Positioning groove 230 Pass hole 240 Notch 410 Board 420 Lamp beads 501 Ventilation passage 510 Flat ring 511 Locking hook 512 Locking hole 520 Connection arm 530 Cover body

Claims (10)

It ’s a lighting fixture,
A base that includes a base and an accommodating portion that are connected to each other, the base portion is hollow, the peripheral edge of the accommodating portion is in contact with the inside of the base portion, and the accommodating portion is provided with an accommodating groove.
A power supply box that is at least partially housed in the housing
The drive unit provided in the power supply box and
A light source plate attached to the base and electrically connected to the drive unit via a connection cable.
Including a lamp cover connected to the base
An inlet for inserting the power supply box is formed at an end of the accommodating groove toward the lamp cover, the lamp cover covers the inlet, and a cable accommodating groove is formed on a surface of the accommodating portion close to the lamp cover. Is opened, the cable accommodating groove communicates with the accommodating groove, and the connecting cable between the light source plate and the accommodating groove is arranged in the cable accommodating groove. The cross section of the accommodating groove is circular, the other end of the accommodating groove facing the inlet is provided with an end face opening, the power supply box is generally tubular, and the groove wall of the accommodating groove has an annular staircase. The first aspect of claim 1, wherein a surface is formed, an end portion of the outer wall of the power supply box near the lamp cover extends outward to form a flange, and the flange abuts on the annular staircase surface. lighting equipment. A plurality of studs are provided at intervals in the circumferential direction of the groove wall of the accommodating groove, each of the studs is connected with a screw, and at least a part of the stud is in a direction close to the central axis of the luminaire. Protruding and extending toward
The positions of the outer walls of the power supply box corresponding to the studs are recessed to form positioning grooves, and the studs are housed in the corresponding positioning grooves at positions corresponding to the positioning grooves of the flanges. The luminaire according to claim 2, wherein each passage hole is provided, and the screw is connected to the stud through the passage hole in order to fix the power supply box to the base. The accommodating portion includes a connecting wall and a convex ring connected to each other, the peripheral edge of the connecting wall is in contact with the inside of the base portion, and the connecting wall is generally bowl-shaped and has a cross section. The width gradually decreases from the direction away from the light emitting end of the luminaire to the direction closer to the light emitting end of the luminaire, the end of the connecting wall away from the base is provided with an opening, and the convex ring The inner side wall of the convex ring and the connecting wall are jointly surrounded by a housing groove, and the lamp cover of the connecting wall is provided in the opening and projects in a direction away from the light emitting end of the luminaire. The lighting fixture according to claim 1, wherein the cable accommodating groove is provided on a surface close to the above. The lamp cover includes an integrally molded flat ring, a connecting arm, and a cover body, the flat ring is detachably connected to the base, and the flat ring is hollow inside. The cover body is annular and has a circular cross section, the connecting arm is connected between the inside of the planar ring and the peripheral edge of the cover body, and the connecting arm is the cable accommodating groove. The lighting apparatus according to claim 4, wherein the cover body covers the entrance of the accommodating groove. The luminaire according to claim 5, wherein the connection arm is in close contact with the connection wall, and the cover body abuts on an end surface of an inlet of the accommodation groove. A plurality of the cable accommodating grooves are provided at equal intervals on the surface of the connection wall close to the lamp cover, and a plurality of the connection arms are provided between the flat ring and the cover body. The connecting arms are spaced apart from each other, a ventilation passage is formed between the two adjacent connecting arms, and the positions of the connecting arms correspond to the positions of the cable accommodating grooves one by one. The luminaire according to claim 5, wherein the connecting arm is installed and covers the corresponding cable accommodating groove. The lighting fixture according to claim 7, wherein a plurality of heat radiating holes are provided at intervals in the circumferential direction of the connecting wall, and the heat radiating holes are arranged so as to be offset from the connecting arm. The base portion exhibits a hollow annular shape, and the light source plate includes a substrate exhibiting an annular shape and a plurality of lamp beads provided at intervals in the circumferential direction of the substrate, and the substrate is formed via a tightening member. The luminaire according to any one of claims 1 to 8, characterized in that it is attached to a base. A conductive pin is riveted to the power supply box, one end of the conductive pin is electrically connected to the drive unit, and the other end extends from the power supply box. The luminaire according to any one of claims 1 to 8, wherein the luminaire is electrically connected to an external power source via a conductive pin.

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