CN210979550U - Backplane mounting structure and lamps - Google Patents

Abstract

The utility model provides a backplate mounting structure and lamps and lanterns, backplate mounting structure includes installation chassis and backplate, the installation chassis is used for fixing on the lamps and lanterns installation face, the first conductive part that is used for with commercial power electric connection has on the installation chassis, the key hole has been seted up on the first conductive part, the key hole includes the key head hole and with the key handle hole of key head hole intercommunication, backplate and installation chassis swivelling joint, be equipped with the second conductive part that is used for the electric connection of driving piece on the backplate, the second conductive part includes the head and the neck of being connected with the head, the head passes the key head hole and makes the rotatory joint of neck in the key handle hole. The utility model provides a backplate mounting structure and lamps and lanterns need not weld the cable when the installation backplate, only need to install the relative installation chassis of backplate rotatory, the neck joint of second conductive part can make the backplate fix on the installation chassis in the key hole, and the mounting means of backplate is simpler, also need not dismantle the lamp shade when changing lamps and lanterns moreover, can directly together rotatory the dismantlement with lamp shade and backplate.

Description

Backplane mounting structure and lamps

technical field

The utility model belongs to the technical field of lighting, and more particularly relates to a backboard mounting structure and a lamp.

Background technique

Lamps are indispensable in daily life, and there are various types of lamps. The commonly used lamps installed on the ceiling or wall are mainly ceiling lamps. When installing a direct-type ceiling lamp, it is necessary to pre-install the installation chassis on the corresponding J-BOX or ceiling, then connect the cable of the driver to the mains, and finally rotate the lampshade to buckle; when installing a side-entry ceiling lamp , you need to pre-install the installation chassis on the corresponding J-BOX or ceiling, then connect the cable of the driver to the mains, and finally snap the lamp body directly into the corresponding hole of the installation chassis through the shrapnel, or rotate the lamp body into the hooks on the outer ring of the mounting chassis. The above-mentioned installation structure is complex, requires connecting cables, and is inconvenient to install.

Utility model content

The purpose of the present invention is to provide a backplane installation structure to solve the technical problems in the prior art that the backplane installation structure is complex, and the installation is inconvenient due to the need to connect cables.

In order to achieve the above-mentioned purpose, the technical scheme adopted by the present utility model is to provide a backplane installation structure, including:

The installation chassis is used to be fixed on the installation surface of the lamp, the installation chassis has a first conductive part for electrical connection with the mains, the first conductive part is provided with a key hole, and the key hole includes a key a head hole and a key shank hole communicated with the key hole;

a backplane, rotatably connected with the mounting chassis, the backplane is provided with a second conductive part for electrical connection of the driving element, the second conductive part includes a head and a neck connected with the head , the width of the head is greater than the width of the key handle hole and smaller than the width of the key hole, the head passes through the key hole and the neck is rotated and clamped to the key handle in the hole.

Further, the number of the first conductive parts is two, and one of the first conductive parts is connected to the positive pole of the mains, and the other first conductive part is connected to the negative pole of the mains.

Further, the first conductive portion extends toward the lamp installation surface to form a clip portion, and the back plate installation structure further includes a positive input line and a negative input line, and the positive input line and the negative input line are respectively It is fixed and electrically connected to the two wire clips.

Further, the number of the second conductive parts is an even number, forming at least one pair of conductive groups, and the two second conductive parts in each pair of the conductive groups are respectively used for connecting with the positive driving line and the negative electrode of the driving member. drive line connection.

Further, the two first conductive parts and the two second conductive parts in each pair of the conductive groups are arranged symmetrically with the central axis of the mounting chassis as the axis of symmetry.

Further, the second conductive part further comprises a convex part protruding from the surface of the back plate and an insertion part inserted into and fixed in the back plate, the head, the neck, the The protruding portion and the inserting portion are connected in sequence.

The utility model further includes a lamp, including the above-mentioned backplane mounting structure, a driving member and a light source assembly electrically connected with the driving member.

Further, the light source assembly and the driving member are both fixed on the side of the backplane facing away from the mounting chassis, and the backplane is provided with a positive driving wire and a negative driving wire for the driving member to pass through. through the wire hole.

Further, the lamp further includes a face ring fixedly connected with the back plate, the driving member is fixed on the side of the back plate facing the mounting chassis, and the light source assembly is arranged in the inner ring of the face ring. The second conductive portion extends toward the face ring to form a connecting portion, the connecting portion is inserted into the back plate and is fixedly connected to the face ring.

The beneficial effects of the backplane mounting structure and the lamp provided by the present invention are that compared with the prior art, in the backplane mounting structure of the present utility model, the mounting chassis is provided with a first conductive portion for electrically connecting with the mains, and the backplane is provided with a first conductive portion on the mounting chassis. The board is provided with a second conductive part for electrical connection with the driving part, the first conductive part is provided with a key hole, the second conductive part includes a head and a neck, when the back plate and the installation chassis rotate relatively, the head penetrates After passing through the key head hole of the key hole, rotate with the back plate to the key handle hole, so that the neck is clamped in the key handle hole, not only the back plate can be easily rotated and connected to the installation chassis, but also the first conductive part can be connected. It is connected with the second conductive part, so that the driving part can be connected to the mains. There is no need to weld the cable when installing the backplane. It is only necessary to rotate the backplane relative to the installation chassis, and the neck of the second conductive part is clamped in the key hole. The backplate can be fixed on the installation chassis, the installation method of the backplate is simpler, and the lampshade does not need to be removed when the lamp is replaced, and the lampshade and the backplate can be directly rotated and removed together.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the present utility model. For some novel embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is an exploded structural diagram of a backplane mounting structure provided by an embodiment of the present invention;

Fig. 2 is a partial detail view of A in Fig. 1;

3 is a structural diagram of a second conductive portion provided by an embodiment of the present invention;

4 is an exploded structural diagram of the first lamp provided by the embodiment of the present utility model;

5 is an exploded structural diagram of a second lamp provided by an embodiment of the present utility model;

FIG. 6 is a partial detail view of B in FIG. 5 .

Among them, each reference sign in the figure:

1-Installation chassis; 11-First conductive part; 110-Key hole; 1101-Key hole; 1102-Key handle hole; 111-Clamping part; 1111-First wrapping part; 1112-Second wrapping part; - positive input wire; 122 - negative input wire; 13 - chassis hole; 14 - annular recess; 2 - back plate; 21 - second conductive part; 211 - head part; 212 - neck part; -Insertion part; 215-connection part; 2150-first connection hole; 2151-insertion plate; 221-positive drive line; 222-negative drive line; 23-jack; 24-second connection hole; 25-wire hole ; 3-light source assembly; 4-drive part; 5-lampshade; 6-face ring; 7-diaphragm assembly.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or 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 indirectly connected to the other element.

It is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that A device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

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

Referring to FIGS. 1 to 3 , the backplane mounting structure provided by the present invention will now be described. In one embodiment of the backplane mounting structure, the mounting chassis 1 and the backplane 2 are included. The installation chassis 1 is fixed on the installation surface of the lamp, and the installation surface of the lamp can be a ceiling, a wall or a J-BOX. The mounting chassis 1 has a first conductive portion 11, the first conductive portion 11 is used for electrical connection with the mains, and the first conductive portion 11 is provided with a key hole 110, and the key hole 110 includes a key hole 1101 and a key hole that communicate with each other. The width of the key hole 1102 and the key hole 1101 is larger than the width of the key hole 1102 . The width direction of the key hole 1101 and the width direction of the key handle hole 1102 are both the radial directions of the mounting chassis 1 . The backplane 2 is rotatably connected to the mounting chassis 1 , and the side of the backplane 2 facing the mounting chassis 1 is provided with a second conductive portion 21 , and the second conductive portion 21 is electrically connected to the driving member 4 . The second conductive portion 21 includes a head portion 211 and a neck portion 212 connected to each other. The width of the head portion 211 is greater than that of the neck portion 212 , and the width of the head portion 211 is greater than that of the key hole 1102 and smaller than the width of the key hole 1101 , so that the head 211 can enter the key hole 1101 and not fall off from the key hole 1102 , the width of the neck 212 is smaller than the width of the key hole 1102 , so that the neck 212 can be snapped into the key hole 1102 . The width direction of the head portion 211 and the width direction of the neck portion 212 are both radial directions of the back plate 2 . When installing the back plate 2, first make the head 211 of the second conductive part 21 face the key hole 1101 of the key hole 110, the head 211 passes through the key hole 1101 and the neck 212 is also located in the key hole 1101 In the middle, the back plate 2 is rotated relative to the mounting chassis 1, so that the head 211 and the neck 212 are both moved toward the key handle hole 1102, the neck 212 is clamped in the key handle hole 1102, and the width of the head 211 is larger than the key handle hole 1102 width to prevent the backplane 2 from falling. In this way, through the action of rotating and snapping, not only the back plate 2 can be quickly installed on the mounting chassis 1, but also the first conductive part 11 and the second conductive part 21 can be electrically connected, so as to realize the connection between the driving member 4 and the mains power. For electrical connection, there is no need to weld cables when installing the backplane 2, and it is only necessary to rotate the backplane 2 to the mounting chassis 1, which simplifies the installation steps.

Compared with the prior art, in the backplane mounting structure provided by the present invention, in the backplane mounting structure of the present utility model, the mounting chassis 1 is provided with a first conductive portion 11 for electrical connection with the mains, and the backplane 2 is provided with a first conductive portion 11 . There is a second conductive portion 21 for electrical connection with the driving member 4 , the first conductive portion 11 is provided with a key hole 110 , the second conductive portion 21 includes a head 211 and a neck 212 , and the back plate 2 is opposite to the mounting chassis 1 During rotation, after the head 211 passes through the key hole 1101 of the key hole 110, it rotates with the back plate 2 to the key handle hole 1102, so that the neck 212 is snapped into the key handle hole 1102, which not only makes the back plate 2 easy to use. It is rotatably connected to the installation chassis 1, and the first conductive part 11 and the second conductive part 21 can also be connected, so that the driver 4 can be connected to the mains. The back plate can be fixed on the installation chassis by rotating relative to the installation chassis, and the neck of the second conductive part is clamped in the key hole. The installation method of the back plate is simpler, and the lampshade 5 does not need to be disassembled when replacing the lamp. Directly rotate and disassemble the lampshade 5 and the back panel 2 together.

Optionally, since the first conductive portion 11 has electrical conductivity, the first conductive portion 11 can be optionally made of a metal material, such as copper, aluminum, or the like. Correspondingly, the inner wall of the key hole 110 also has electrical conductivity. In one of the embodiments, the mounting chassis 1 is a metal chassis, and an insulating member is provided between the first conductive portion 11 and the mounting chassis 1 to prevent the mounting chassis 1 from conducting electricity as a whole and ensure the safety of the lamp.

Optionally, the first conductive portion 11 is fixed on the mounting chassis 1, and the mounting chassis 1 is correspondingly provided with a chassis hole 13 opposite to the key hole 110, so that the second conductive portion 21 can pass through the mounting chassis 1 and the first conductive portion. 11.

Optionally, the key hole 1101 of the key hole 110 and the head 211 of the second conductive part 21 can be round, square, triangular, polygonal, etc. The specific shape is not limited here, and the head 211 can pass through the key head The hole 1101 is sufficient. The key handle hole 1102 of the key hole 110 is elongated or arc-shaped, and the neck 212 of the second conductive part 21 can be a circle, a square, a triangle, a polygon, etc., so that the second conductive part 21 can be inserted into the key handle hole 1102 Just swipe. For example, the key hole 1101 is a circular hole, the key handle hole 1102 is a long hole or an arc hole, the head 211 and the neck 212 are both cylindrical, so that the second conductive portion 21 is a stepped conductive portion. The stepped conductive part can be selected as a stepped copper needle.

In one of the embodiments, the number of the first conductive parts 11 is two, one of the first conductive parts 11 is connected to the positive pole of the mains, and the other first conductive part 11 is connected to the negative pole of the mains. The second conductive portion 21 to which a conductive portion 11 is electrically connected is also electrically connected to the positive electrode and the negative electrode of the commercial power, respectively. In this way, the positive and negative electrodes of the driving member 4 can be connected to the positive and negative electrodes of the commercial power.

In other embodiments, the number of the first conductive parts 11 can also be four, six, etc., as long as it is an even number, wherein the two first conductive parts 11 are electrically connected to the positive and negative electrodes of the commercial power, respectively.

In one embodiment, the number of the first conductive parts 11 is two, and the number of the second conductive parts 21 is an even number, that is, the number of the second conductive parts 21 is 2, 4, 6, etc., so that the back The plate 2 can be snapped into the key hole 110 by rotating a small angle. For example, if the two first conductive parts 11 are symmetrically arranged, and the number of the second conductive parts 21 is 2, the back plate 2 needs to be rotated at most 180 degrees to be snapped with the mounting chassis 1; the number of the second conductive parts 21 is 4 , the back plate 2 needs to be rotated at most 90 degrees to be snapped with the mounting chassis 1 . In this embodiment, when the number of the second conductive parts 21 is greater than the number of the first conductive parts 11 , the mounting chassis 1 is correspondingly provided with chassis holes 13 , and the two second conductive parts 21 are clamped with the first conductive parts 11 . , and the remaining second conductive parts 21 are snapped into the holes 13 of the chassis. Optionally, the size of the chassis hole 13 is the same as the size of the key hole 110 . Wherein, each two second conductive parts 21 form a pair of conductive groups, and the two second conductive parts 21 in each pair of conductive groups are respectively connected to the positive driving line 221 and the negative driving line 222 of the driving member 4, so that each pair of conductive When the group is clamped with the first conductive part 11, it can be connected to the positive and negative electrodes of the commercial power.

Further, the two first conductive parts 11 and the two second conductive parts 21 in each pair of conductive groups are symmetrically arranged with the central axis of the mounting chassis 1 as the axis of symmetry, that is, the connection between the two first conductive parts 11 The midpoint of the line and the midpoint of the line connecting the second conductive parts 21 of the same pair of conductive groups are both on the central axis of the mounting chassis 1 . In this way, the force on the backboard 2 is more uniform, and the backboard 2 is prevented from being skewed. Optionally, each pair of second conductive groups is uniformly arranged on the back plate 2 in the circumferential direction.

In another embodiment, the number of the first conductive parts 11 is even and greater than 2, the number of the second conductive parts 21 is the same as the number of the first conductive parts 11 , wherein the two first conductive parts 11 are respectively connected to the market Positive and negative electrodes of electricity. In this embodiment, the mounting chassis 1 is preferably a metal chassis, and the first conductive portion 11 and the metal chassis are integrally formed. Optionally, the first conductive parts 11 are uniformly disposed on the mounting chassis 1 in the circumferential direction, and the second conductive parts 21 are uniformly disposed on the back plate 2 in the circumferential direction.

Referring to FIG. 2 , in one embodiment, the first conductive portion 11 extends toward the lamp installation surface to form a clip portion 111 , and the backplane mounting structure further includes a positive input line 121 and a negative input line 122 , and the positive input line 121 is The positive pole of the commercial power and the negative input line 122 are the negative pole of the commercial power. The positive input line 121 and the negative input line 122 can be fixed and electrically connected through the arrangement of the wire clip portion 111 . The structure of the cable clamping portion 111 is not limited here, and it is sufficient that the cable can be fixed. For example, the wire clamping portion 111 includes a first wrapping portion 1111 wrapping the inner core of the cable and a second wrapping portion 1112 wrapping the outer sheath of the cable. After the first wrapping portion 1111 and the second wrapping portion 1112 are bent and deformed, the cable can be The inner core and outer skin are fixed.

Referring to FIG. 3 , in one embodiment, the second conductive portion 21 further includes a protruding portion 213 and an inserting portion 214 , and the head portion 211 , the neck portion 212 , the protruding portion 213 and the inserting portion 214 are connected in sequence. The protruding portion 213 protrudes from the surface of the back plate 2 , and the width of the protruding portion 213 is greater than the width of the neck portion 212 , so that when the neck portion 212 is clamped in the key handle hole 1102 , the first conductive portion 11 faces One side of the back plate 2 is only in contact with the surface of the raised portion 213 , and the arrangement of the raised portion 213 can prevent the contact area between the first conductive portion 11 and the back surface from being too large to cause scratches. The insertion portion 214 is inserted into the backboard 2 and is fixedly connected to the backboard 2 , and the size of the insertion portion 214 is not limited here. The insert portion 214 can be riveted or welded into the back plate 2 .

The present invention also provides a lamp, which includes the backplane mounting structure in any of the above embodiments, and also includes a driving member 4 and a light source assembly 3. The light source assembly 3 is driven to emit light by the driving member 4, and the driving member 4 has a positive driving wire 221. and the negative electrode driving line 222 are respectively connected to the respective second conductive parts 21 .

In the lamp provided by the present invention, the mounting chassis 1 is provided with a first conductive portion 11 for electrical connection with the commercial power supply, and the back plate 2 is provided with a second conductive portion 21 for electrical connection with the driving member 4 . The part 11 is provided with a key hole 110. The second conductive part 21 includes a head part 211 and a neck part 212. When the back plate 2 and the mounting chassis 1 rotate relative to each other, after the head part 211 passes through the key hole 1101 of the key hole 110, the The back plate 2 is rotated to the key handle hole 1102, so that the neck 212 is clamped in the key handle hole 1102, not only the back plate 2 can be easily rotated and connected to the installation chassis 1, but also the first conductive part 11 and the second conductive part 11. The conductive part 21 is connected, so that the driver 4 is connected to the commercial power supply, and there is no need to connect the cable when installing the backplane 2, which makes the installation of the backplane 2 simpler, and the lampshade 5 does not need to be disassembled when replacing the lamp. The lampshade 5 and the back panel 2 are rotated and disassembled together.

Referring to FIG. 4 , in one embodiment of the lamp, the light source assembly 3 and the driving member 4 are both fixed to the side of the back plate 2 facing away from the mounting chassis 1 . The lamp also includes a lampshade 5, which is covered on the light source assembly 3, and the light emitting surface of the light source assembly 3 faces the light emitting direction of the lamp.

Optionally, the lampshade 5 and the backboard 2 are rotatably clamped. When the lamp is disassembled or replaced, the backplate 2 and the lampshade 5 can be disassembled together without opening the lampshade 5 to connect cables. In this way, the structure, material and molding method of the lampshade 5 are not limited, and can be blow molding, injection molding, or made of glass material.

Optionally, since the second conductive portion 21 and the driving member 4 are respectively fixed on opposite sides of the backplane 2 , the backplane 2 is provided with a wire hole 25 for the positive driving wire 221 and the negative driving wire 222 of the driving member 4 . It is connected to the second conductive part 21 through the wire hole 25 . The number and distribution of the wiring holes 25 are not limited here.

Referring to FIG. 5 , in one embodiment of the lamp, the lamp further includes a face ring 6 fixedly connected with the back plate 2 , the driving member 4 is fixed on the side of the back plate 2 facing the mounting chassis 1 , and is sandwiched between the mounting chassis 1 and the mounting chassis 1 . Between the backplanes 2 , the light source assembly 3 is arranged on the side of the backplane 2 facing away from the mounting chassis 1 . More specifically, the light source assembly 3 is arranged on the inner surface of the face ring 6, and the light emitting surface of the light source assembly 3 is different from the light emitting direction of the lamp, and the lamp is an edge-type lamp. In the side-entry lamp, the lamp further includes a diaphragm assembly 7. After the light emitted by the light source assembly 3 is refracted and reflected by the diaphragm assembly 7, it is emitted from the light emitting direction of the lamp to enhance the light intensity and uniformity.

Optionally, referring to FIG. 6 , the second conductive portion 21 is formed with a connecting portion 215 extending toward the face ring 6 , and the connecting portion 215 is inserted into the back surface and fixedly connected to the face ring 6 . In this embodiment, the side of the connecting portion 215 facing the back plate 2 has an inserting plate 2151 , and the back plate 2 is provided with a corresponding insertion hole 23 . After the inserting plate 2151 is inserted into the insertion hole 23 , the connecting portion 215 can be fixed by a screw or the like. On the face ring 6 , the face ring 6 , the second conductive portion 21 , and the back plate 2 are fixedly connected. More specifically, the connecting portion 215 is provided with a first connection hole 2150 , the back plate 2 is provided with a second connection hole 24 , the face ring 6 is provided with a third connection hole, and the threaded member passes through the first connection hole 2150 , The second connection hole 24 and the third connection hole allow the face ring 6 , the second conductive portion 21 and the back plate 2 to be fixedly connected.

Optionally, please refer to FIG. 5 , the side of the installation back plate 2 facing the lamp installation surface has an annular recess 14 , and the cross section of the annular recess 14 is U-shaped, which has higher structural strength and is not easily deformed. Moreover, after the back plate 2 is installed on the mounting chassis 1, the perimeter of the face ring 6 wraps around the outer periphery of the installation back plate 2, so that the gap between the face ring 6, the installation back plate 2, etc. of the lamp and the installation surface of the lamp is more uniform.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (10)

1. Backplate mounting structure, its characterized in that includes:

the installation base plate is used for being fixed on a lamp installation surface, a first electric conduction part used for being electrically connected with a mains supply is arranged on the installation base plate, a key hole is formed in the first electric conduction part, and the key hole comprises a key head hole and a key handle hole communicated with the key head hole;

the backboard is rotatably connected with the installation chassis, a second conductive part used for electrically connecting the driving part is arranged on the backboard, the second conductive part comprises a head part and a neck part connected with the head part, the width of the head part is larger than that of the spoon handle hole and smaller than that of the spoon head hole, and the head part penetrates through the spoon head hole and enables the neck part to be rotatably clamped in the spoon handle hole.

2. The back plate mounting structure of claim 1, wherein: the number of the first conductive parts is two, one of the first conductive parts is connected to the positive pole of the commercial power, and the other first conductive part is connected to the negative pole of the commercial power.

3. The back plate mounting structure of claim 2, wherein: the first conductive part extends towards the lamp mounting surface to form a wire clamping part, the backboard mounting structure further comprises a positive input wire and a negative input wire, and the positive input wire and the negative input wire are respectively and fixedly and electrically connected to the two wire clamping parts.

4. The back plate mounting structure of claim 2, wherein: the number of the second conductive parts is even, at least one pair of conductive groups is formed, and the two second conductive parts in each pair of conductive groups are respectively used for being connected with a positive driving line and a negative driving line of the driving part.

5. The back plate mounting structure of claim 4, wherein: the two first conductive parts and the two second conductive parts in each pair of conductive groups are symmetrically arranged by taking the central shaft of the mounting chassis as a symmetry axis.

6. The back plate mounting structure according to any one of claims 1 to 5, wherein: the second conductive part further comprises a protruding part protruding from the surface of the back plate and an inserting part inserted into and fixed in the back plate, and the head part, the neck part, the protruding part and the inserting part are sequentially connected.

7. The back plate mounting structure according to any one of claims 1 to 5, wherein: the spoon head hole is a circular hole, and the head and the neck are both cylindrical.

8. Lamps and lanterns, its characterized in that: the back plate mounting structure of any one of claims 1-7, further comprising a driving member and a light source assembly electrically connected to the driving member.

9. The luminaire of claim 8, wherein: the light source assembly and the driving piece are fixed on one side, back to the mounting base plate, of the back plate, and the back plate is provided with a wire passing hole for the positive driving wire and the negative driving wire of the driving piece to pass through.

10. The luminaire of claim 8, wherein: the lamp further comprises a face ring fixedly connected with the back plate, the driving piece is fixed on one side, facing the mounting base plate, of the back plate, the light source assembly ring is arranged on the inner surface of the face ring, the second conductive portion extends towards the face ring to form a connecting portion, and the connecting portion is inserted into the back plate and is fixedly connected with the face ring.

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