CN215636702U

CN215636702U - Lamp fitting

Info

Publication number: CN215636702U
Application number: CN202121139262.8U
Authority: CN
Inventors: 皮远军; 康伟; 钟仁
Original assignee: Zopoise Technology Zhuzhou Co Ltd
Current assignee: Zopoise Technology Zhuzhou Co Ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-01-25
Anticipated expiration: 2031-05-25

Abstract

The embodiment of the utility model discloses a lamp, which comprises a lamp body, wherein the lamp body comprises a first accommodating groove and a second accommodating groove, the first accommodating groove and the second accommodating groove are arranged side by side along the length direction or the width direction of the lamp body, and the opening directions of the two groove bodies are opposite; wherein, be equipped with the light source subassembly in the cell body of first holding tank, be equipped with power supply module in the cell body of second holding tank, the opening of second holding tank is equipped with the apron, and power supply module includes power fixing plate and establishes the power module in power fixing plate top, and power fixing plate passes through the hand screw to be fixed at the tank bottom of second holding tank. The lamp provided by the embodiment of the utility model can be used for carrying out bare-handed operation on the power supply assembly during installation and maintenance without using other professional operation tools, the operation can be completed by bare hands, the convenience of the use of the lamp is improved, the high-altitude overhaul and replacement time is effectively reduced, and the safety of high-altitude operation is improved.

Description

Lamp fitting

Technical Field

The embodiment of the utility model belongs to the technical field of illumination, and particularly relates to a lamp.

Background

The LED lamp is gradually applied to the field of street lamp illumination due to the advantages of low power consumption, good driving characteristic, high response speed, long service life, environmental protection and the like.

However, the existing LED street lamps are generally suspended at a high place, and due to the special use environment, workers are required to perform high-altitude work for cleaning and maintenance of the LED street lamps, which brings great inconvenience to users and managers; the long-term outdoor environment requires high sealing requirements, so that a compact connecting structure is required, and professional operating tools are required for disassembling, installing, maintaining and replacing parts, so that the operation is difficult to a certain extent; for the consideration of power supply assembly on the safety of electricity utilization, a firmer structure is generally adopted, which brings inconvenience to the disassembly, installation and maintenance of the power supply assembly; moreover, the LED street lamp generally has a heavy power source module due to its lighting property, and in order to obtain a large illumination area, the light source module generally has a large size, which inevitably increases the weight of the front end of the lamp body, and the lamp body is easily damaged due to the shear stress caused by the unreasonable self weight of the structural design in a relatively harsh environment. More or less of the above problems affect the use of LED street lamps.

SUMMERY OF THE UTILITY MODEL

In view of this, an embodiment of the present invention provides a lamp, which is used to solve at least one technical problem existing in the current stage of LED street lamps.

The embodiment of the utility model provides a lamp, which comprises a lamp body, wherein the lamp body comprises a first accommodating groove and a second accommodating groove, the first accommodating groove and the second accommodating groove are arranged side by side along the length direction or the width direction of the lamp body, and the opening directions of the two groove bodies are opposite;

the power module comprises a first holding tank, a second holding tank, a power supply assembly, a cover plate, a power supply fixing plate and a power module, wherein the light source assembly is arranged in the tank body of the first holding tank, the power supply assembly is arranged in the tank body of the second holding tank, the opening portion of the second holding tank is provided with the cover plate, the power supply assembly comprises the power fixing plate and the power module arranged above the power fixing plate, and the power fixing plate is fixed to the tank bottom of the second holding tank through hand-screwed screws.

Further, the tank bottom of second holding tank is equipped with the spliced pole towards the opening, the power fixed plate passes through hand screw fixes on the spliced pole.

Further, the power supply module further comprises a wiring terminal arranged on the power fixing plate, and the wiring terminal is electrically connected with the power supply module and the light source module respectively.

Further, the light source assembly comprises a light source substrate, an LED lamp bead and a lens;

the light source base plate is established the tank bottom of first holding tank, LED lamp pearl arrange in the light source base plate deviates from tank bottom one side, lens are connected the opening of first holding tank.

Furthermore, the bottom of the groove is provided with a heat dissipation rib facing the light source substrate, and the light source substrate is connected to the heat dissipation rib.

The lens further comprises a first sealing ring, wherein the first sealing ring surrounds the opening part of the first accommodating groove for a circle and is arranged between the first accommodating groove and the lens.

Further, still include the second sealing washer, the second sealing washer encloses the opening that establishes the second holding tank a week, establishes the second holding tank with between the apron.

Further, still including being used for the confession to connect the water joint that the cable cluster of power supply module was established, water joint establishes the second holding tank is kept away from on the cell wall of first holding tank one end.

Further, still include the connecting pipe that is used for connecting the exterior structure, the connecting pipe is connected the second holding tank is kept away from the cell wall outside of first holding tank one end.

Furthermore, the connecting pipe and the lamp body can rotate around a connecting point, and scales representing the rotating angle are arranged at the end part, close to the lamp body, of the connecting pipe.

According to the lamp provided by the embodiment of the utility model, the first accommodating groove and the second accommodating groove are arranged side by side along the length or width direction of the lamp body, and the opening directions of the two groove bodies are opposite; wherein, be equipped with the light source subassembly in the cell body of first holding tank, be equipped with power supply module in the cell body of second holding tank, the opening of second holding tank is equipped with the apron, power supply module includes power fixing plate and establishes the power module in power fixing plate top, power fixing plate passes through the tank bottom portion of hand screw fixation at the second holding tank, in the installation, when the maintenance, can carry out bare-handed operation to power supply module, other professional operation tools need not to use, bare-handed operation just can be accomplished, promote the convenience that lamps and lanterns used, effectual reduction high altitude maintenance change time, promote high altitude construction's security.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

Fig. 1 is a schematic perspective view of a lamp according to an embodiment of the utility model;

fig. 2 is an exploded schematic view of a three-dimensional structure of a lamp according to an embodiment of the utility model;

fig. 3 is a schematic cross-sectional view of a lamp according to an embodiment of the utility model;

FIG. 4 is an enlarged schematic view of the portion A in FIG. 3;

FIG. 5 is a schematic side view of a lamp according to an embodiment of the present invention;

fig. 6 is an exploded schematic view of another three-dimensional structure of a lamp according to an embodiment of the utility model;

fig. 7 is a schematic side view of a lamp according to an embodiment of the utility model with a cover plate removed;

fig. 8 is a schematic cross-sectional view of a lamp according to an embodiment of the utility model.

Detailed Description

The following detailed description of the embodiments of the present invention will be provided with reference to the accompanying drawings and examples, so that how to implement the embodiments of the present invention by using technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect. Furthermore, the terms "coupled" or "electrically connected" are intended to encompass any direct or indirect electrical coupling. Thus, if a first device couples to a second device, that connection may be through a direct electrical coupling or through an indirect electrical coupling via other devices and couplings. The following description is of the preferred embodiment for carrying out the utility model, and is made for the purpose of illustrating the general principles of the utility model and not for the purpose of limiting the scope of the utility model. The scope of the present invention is defined by the appended claims.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

Referring to fig. 1, a schematic perspective view of a lamp according to an embodiment of the utility model is shown, the lamp includes a lamp body 10, and the lamp body 10 includes a first receiving groove 110 and a second receiving groove 120.

Referring to fig. 2, the first receiving groove 110 and the second receiving groove 120 are arranged side by side along the length or width direction of the lamp body 10, and the opening directions of the two grooves are opposite; the light source assembly 20 is disposed in the first receiving groove 110, the power supply assembly 30 is disposed in the second receiving groove 120, and the cover plate 40 is disposed at an opening of the second receiving groove 120.

Specifically, the first receiving groove 110 and the second receiving groove 120 are respectively located at two sides of the lamp body 10, and are arranged side by side therebetween, but the opening directions of the two grooves are opposite, as shown in the drawing, the opening of the first receiving groove 110 faces upward, and the opening of the second receiving groove 120 faces downward, wherein the light source assembly 20 is arranged in the first receiving groove 110 to form a light emitting surface below the lamp body 10 for illumination; the second accommodating groove 120 is provided with the power supply module 30 therein, and the power supply module 30 is electrically connected to the light source module 20 through an electric wire to provide electric energy support for the light source module 20.

The cover plate 40 is disposed at an opening of the second receiving groove 120, and is used for closing the second receiving groove 120, so as to provide a relatively closed receiving space for the power supply module 30, thereby improving the power supply safety of the lamp.

Here, the first receiving groove 110 has an eave structure on both a surface facing away from the light source assembly 20 and a surface facing away from the power source assembly 30 of the cover plate 40. Specifically, the first holding tank 110 deviates from the light source assembly 20, i.e. the bottom back of the first holding tank 110, and the cover plate 40 deviates from the power supply assembly 30, i.e. the back of the cover plate 40 forms the back of the lamp body 10 deviating from the light emitting surface of the lamp together, i.e. the back of the lamp body 10 is in an eave structure, which has the characteristic of high middle and low sides, and when dust or dirt falls on the back of the lamp, the dust or bird dung can slide down along the slope of the eave structure, especially in rainy days with the help of rain wash, so that the lamp has a self-cleaning function, on the one hand, the quality of the lamp is improved, and on the other hand, the heat dissipation of the lamp is facilitated, the service life of the lamp is prolonged.

In other preferred embodiments of the present invention, the first receiving groove 110 has the same shape as the joint between the surface of the cover plate 40 facing away from the light source assembly 20 and the surface of the cover plate 40 facing away from the power source assembly 30, and the two surfaces are tightly fitted.

Specifically, the first accommodating groove 110 is away from one side of the light source assembly 20 and the cover plate 40 is away from one side of the power source assembly 30, and the first accommodating groove and the second accommodating groove have the same shape at the joint of the two sides, so that the joint is smooth and smooth, the occurrence of a protrusion or a groove is avoided, the two accommodating grooves can be tightly attached to each other, dust and dirt accumulation is further avoided, and the self-cleaning of the back of the lamp is also facilitated.

Further, the height of the end of the first receiving groove 110 facing away from the light source assembly 20 and away from the second receiving groove 120 is lower than the height of the seam; the end of the cover plate 40 facing away from the power module 30 and away from the first receiving groove 110 is lower than the seam.

Specifically, the conventional eave structure is generally high in the middle and low in both sides, but the heights of the two gable positions are the same as the height of the middle of the ridge, in this embodiment, the height of the end portion of the first receiving groove 110 away from the light source assembly 20 and the second receiving groove 120, and the height of the end portion of the cover plate 40 away from the power supply assembly 30 and the first receiving groove 110 are designed to be lower than the height of the middle of the eave structure, so that the back of the lamp forms a shape with a middle height and a low periphery, further avoiding dust and dirt accumulation, and facilitating self-cleaning of the back of the lamp.

In addition, one end of the cover plate 40 close to the first receiving groove 110 is hinged to the lamp body 10, and one end of the cover plate 40 far from the first receiving groove 110 is detachably connected to the lamp body 10.

Here, one end of the cover plate 40 is hinged to the lamp body 10, and the other end of the cover plate is detachably connected to the lamp body 10, specifically, one end of the cover plate 40 is hinged to the middle of the lamp body 10, and the other end of the cover plate is detachably connected to the end of the lamp body 10, specifically, detachably connected to the end of the second accommodating groove 120 far away from the first accommodating groove 110, so that the second accommodating groove 120 can be opened and closed more conveniently and quickly through the hinged and detachable connection of the two sides, thereby facilitating the installation, detachment and maintenance operations of the power supply module 30 in the second accommodating groove 120, improving the convenience of the use of the lamp, and particularly when the lamp is used as a street lamp, effectively reducing the time for high-altitude maintenance and replacement, and improving the safety of high-altitude operations.

Further, a buckle 410 is disposed at an end of the cover plate 40 away from the first receiving groove 110, and the buckle 410 is connected to an opening portion of the second receiving groove 120.

Specifically, the snap 410 is disposed at an end of the lamp body 10 away from the first receiving groove 110, and is used for connecting the cover plate 40 and an opening of the second receiving groove 120, and is hinged to the other end of the second receiving groove 120 to open and close the second receiving groove 120. The buckle connection does not need to use an operation tool, the operation can be completed by bare hands, and the convenience of lamp installation and maintenance is further improved.

Furthermore, a rotating shaft 1101 is disposed at a position of one surface of the first receiving groove 110 away from the light source assembly 20 and close to the second receiving groove 120, and one end of the cover plate 40 away from the fastener 410 is hinged to the rotating shaft 1101.

Specifically, the rotating shafts 1101 are respectively disposed on two sides of the middle position of the lamp body 10, and connecting holes (not shown in the drawings) matched with the rotating shafts 1101 are respectively disposed on two sides of one end of the cover plate 40 away from the buckle 410, so that the cover plate 40 can rotate around the rotating shafts 1101 through the hinge fit between the connecting holes and the rotating shafts 1101, and the second receiving groove 120 can be opened and closed.

Further, the power module 30 includes a power fixing plate 310 and a power module 320 disposed above the power fixing plate 310, and the power fixing plate 310 is fixed to the bottom of the second receiving groove 120 by a thumb screw 330.

Specifically, the power module 320 is connected above the power fixing plate 310 by, but not limited to, bonding, welding, screwing, etc., the area of the power fixing plate 310 is larger than the size of the bottom of the power module 320, so that a connecting portion is formed at the outer side of the bottom of the power module 320, the connecting portion is provided with a screw hole, and the hand screw 330 can pass through the screw hole to be connected to the bottom of the second receiving groove 120, so as to complete the connection between the power module 30 and the lamp body 10. The lamps and lanterns of this embodiment pass through hand is twisted and is exposed silk 330 can be realized power supply module 30's dismantlement and installation does not need other operation tools, and is simple and convenient, promotes convenience when lamps and lanterns installation, maintenance and change, especially when using as the street lamp, less workman's high altitude construction's that can be great time promotes the operation security.

Further, a connection column 1201 facing the opening portion is disposed at the bottom of the second receiving groove 120, and the power fixing plate 310 is fixed to the connection column 1201 by the hand screw 330.

Specifically, the connecting column 1201 is disposed at the bottom of the second accommodating groove 120 and extends to the opening of the second accommodating groove 120, and the hand screw 330 fixedly connects the power fixing plate 310 to the top end of the connecting column 1201, so that a gap is formed between the power supply module 30 and the lamp body, which is beneficial to heat dissipation of the power supply module 30 during operation, and thus, the service life of the lamp can be prolonged.

Furthermore, the power module 30 further includes a connection terminal 340 disposed on the power fixing plate 310, and the connection terminal 340 is electrically connected to the power module 320 and the light source assembly 20, respectively.

Specifically, the wiring terminal 340 includes an incoming line terminal and an outgoing line terminal, which are respectively disposed on two sides of the power module 320, and respectively electrically connected to the power module 320 through a cable, the other end of the outgoing line terminal is electrically connected to the light source assembly 20 through a cable, and the other end of the incoming line terminal is electrically connected to the power supply circuit of the lamp through a cable. The connection terminal 340 can complete the on and off of the circuit through simple plugging operation without an additional operation tool, and the operation is simple and convenient.

Referring to fig. 3-4, in another preferred embodiment of the present invention, the adjacent groove walls of the first receiving groove 110 and the second receiving groove 120 are separated by a first distance D.

Specifically, although the first receiving groove 110 and the second receiving groove 120 are groove bodies formed in the lamp body 10 in opposite directions, the first receiving groove 110 and the second receiving groove 120 do not share one groove wall, but have respective groove walls in directions in which the first receiving groove 110 and the second receiving groove 120 approach each other, and are not connected together but are separated from each other, and are separated by the first distance D, where the first distance D may be set according to specific specifications and use environments of the lamp. Through the setting of first interval D avoids the lamp body 10 front end light source subassembly 20 part receives the effect of shearing stress and the destruction appears, makes lamps and lanterns have fine antidetonation effect, promote the quality and the use experience of lamps and lanterns.

Further, in order to further improve the anti-vibration effect of the lamp, the groove walls of the first receiving groove 110 and the second receiving groove 120 that are close to each other are arranged in a vertically staggered manner.

Specifically, the first receiving groove 110 and the second receiving groove 120 are not at the same height, but are higher and lower, so that the adjacent groove walls of the first receiving groove 110 and the second receiving groove 120 are connected by a radian structure to form a vertically-staggered form of the first receiving groove 110 and the second receiving groove 120, and the lamp body 10 can be further effectively prevented from being damaged due to excessive local shear stress.

Further, referring to fig. 5, in order to reduce the weight of the lamp body 10 away from the end of the second receiving groove 120, so as to avoid the lamp body 10 from being damaged due to excessive local shear stress, and further improve the anti-vibration effect of the lamp, the thickness of the lamp body 10 is gradually reduced along the direction from the second receiving groove 120 to the first receiving groove 110, and the thickness of the lamp body 10 is gradually reduced along the arrow direction shown in the figure. Here, by performing the opposite treatment of the thickness of the lamp body 10 with the thick proximal end and the thin distal end, the self weight of the lamp body can be reduced while ensuring the strength, thereby preventing the lamp body 10 from being damaged when a large shearing stress is applied to a structurally weak position.

Further, referring to fig. 6-8, the light source assembly 20 includes a light source substrate 210, an LED lamp bead (not shown), and a lens 220;

light source substrate 210 establishes the tank bottom of first holding tank 110, LED lamp pearl arrange in light source substrate 210 deviates from tank bottom one side, lens 220 connects the opening of first holding tank 110.

Specifically, a plurality of LED lamp pearl array arrange in on the light source base plate 210, and the light source base plate 210 deviates from LED lamp pearl one side is connected the tank bottom of first holding tank 110, so that the tank bottom forms a luminous face, lens 220 connects the opening of first holding tank 110 is right light source base plate 210 with LED lamp pearl covers, makes simultaneously first holding tank 110 forms relative airtight volume space, and then promotes the safety in utilization of light source subassembly.

In a preferred embodiment, the arrangement shape of the lens on the lens 220 matches with the arrangement shape of the LED beads on the light source substrate 210.

Further, the bottom of the groove is provided with a heat dissipation rib 230 facing the light source substrate 210, and the light source substrate 210 is connected to the heat dissipation rib 230.

Here, the heat dissipation ribs 230 are disposed inside the first receiving groove 110, so that on one hand, the heat dissipation ribs can directly contact with the light source substrate 210, and further the heat dissipation effect of the light source assembly 20 is improved; on the other hand, the heat dissipation ribs 230 are disposed on the back of the lamp body 10 to prevent dust collection and dirt accumulation, thereby improving the self-cleaning performance of the lamp.

In addition, the lamp may further optionally include a first gasket 50 and/or a second gasket 60, wherein the first gasket 50 is disposed around the opening of the first housing groove 110 and between the first housing groove 110 and the lens 220; the second packing 60 surrounds the opening of the second receiving groove 120, and is disposed between the second receiving groove 120 and the cover plate 40.

Specifically, grooves are respectively formed in the opening portions of the top of the first accommodating groove 110 and the top of the second accommodating groove 120, the first sealing ring 50 and the second sealing ring 60 are respectively located in the grooves, the lens 220 and the cover plate 40 are respectively covered above the first sealing ring 50 and the second sealing ring 60, and the sealing performance of the first accommodating groove 110 and the second accommodating groove 120 can be further improved through the arrangement of the first sealing ring 50 and the second sealing ring 60, so that the use performance of the lamp is further improved.

In addition, the lamp further includes a waterproof joint 70 for connecting the cable of the power supply module 30 in series, and the waterproof joint 70 is disposed on a groove wall of the second accommodating groove 120 at an end far from the first accommodating groove 110.

Specifically, a power line through hole is formed in a wall of the lamp body 10 at an end away from the light source assembly 20, the waterproof connector 70 is disposed in the power line through hole, and the waterproof connector 70 is used for a cable to be serially connected to a power supply assembly and an external power supply circuit in the second accommodating groove 120. The sealing performance of the lamp body 10 can be improved more effectively by the arrangement of the waterproof joint 70, and the waterproof performance of the lamp is improved.

In addition, the lamp further includes a connecting pipe 80 for connecting an external structure, and the connecting pipe 80 is connected to an outer side of a groove wall of the second receiving groove 120 at an end away from the first receiving groove 110.

Specifically, the connecting pipe 80 is a hollow tubular structure, the middle of which is used for the cable to pass through, one end of which is connected to the outside of the groove wall of the second receiving groove 120 away from the end of the first receiving groove 110, and the other end of which is used for connecting an external fixing element of the lamp, where the external fixing element includes, but is not limited to, a street lamp post, and the like.

Further, the connection tube 80 and the lamp body 10 can rotate around a connection point, and a scale representing a rotation angle is provided at an end of the connection tube 80 adjacent to the lamp body 10.

Specifically, the connection tube 80 and the lamp body 10 are connected in a hinged manner through a rotating shaft or the like, so that the connection tube 80 and the lamp body 10 can rotate around a connection point, and further, an angle between the lamp body 10 and the connection tube 80 can be adjusted, that is, a projection angle of the lamp can be adjusted. Meanwhile, the scales arranged at the end part, close to the lamp body 10, of the connecting pipe 80 can mark and indicate the adjustment of the angle, so that the convenience and the accuracy of the adjustment of the lamp are improved, and the use quality of the lamp is improved.

It should be noted that, although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention should not be construed as limited to the scope of the present invention. In the case that the structures do not conflict with each other, the structures of the parts mentioned in the above embodiments may be combined with each other, and in order to avoid repetition, the technical solutions obtained after combination are not described herein again, but the technical solutions obtained after combination also belong to the protection scope of the present invention. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the present invention as described in the appended claims.

The examples of the embodiments of the present invention are intended to briefly describe the technical features of the embodiments of the present invention, so that those skilled in the art can intuitively understand the technical features of the embodiments of the present invention, and the embodiments of the present invention are not unduly limited.

The above-described embodiments of the apparatus are merely illustrative, where the units described as separate parts may or may not be physically separated, and the parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on multiple network units, and some or all of the modules may be selected according to actual needs to achieve the purpose of the embodiments, and those skilled in the art can understand and implement the embodiments without creative efforts.

While the foregoing description shows and describes several preferred embodiments of the utility model, it is to be understood, as noted above, that the embodiments are not limited to the forms disclosed herein, but are not to be considered as exclusive of other embodiments, and that the embodiments may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the embodiments of the utility model as defined by the appended claims.

Claims

1. The lamp is characterized by comprising a lamp body, wherein the lamp body comprises a first accommodating groove and a second accommodating groove, the first accommodating groove and the second accommodating groove are arranged side by side along the length direction or the width direction of the lamp body, and the opening directions of the two groove bodies are opposite;

2. The lamp as claimed in claim 1, wherein the bottom of the second receiving groove is provided with a connecting post facing the opening, and the power fixing plate is fixed on the connecting post by the hand screw.

3. The lamp of claim 1, wherein the power module further comprises a connecting terminal disposed on the power fixing plate, and the connecting terminal is electrically connected to the power module and the light source module, respectively.

4. The lamp of claim 1, wherein the light source assembly comprises a light source substrate, an LED lamp bead, and a lens;

5. A luminaire as claimed in claim 4, characterized in that the slot bottom is provided with heat-dissipating ribs facing the light-source substrate, to which the light-source substrate is connected.

6. The lamp according to claim 4, further comprising a first seal ring provided between the first housing groove and the lens so as to surround a periphery of an opening portion of the first housing groove.

7. A lamp as recited in claim 1, further comprising a second gasket disposed around the opening of the second receiving groove and between the second receiving groove and the cover plate.

8. The lamp of claim 1, further comprising a waterproof connector for connecting a cable of the power supply assembly in series, wherein the waterproof connector is disposed on a wall of the second receiving groove at an end thereof remote from the first receiving groove.

9. A light fixture as recited in claim 1, further comprising a connection tube for connecting to an external structure, wherein the connection tube is connected to an outer side of a wall of the second receiving channel at an end of the second receiving channel remote from the first receiving channel.

10. A lamp as recited in claim 9, wherein the connection tube and the lamp body are rotatable about a connection point, and a scale representing a rotation angle is provided at an end of the connection tube adjacent to the lamp body.