CN111853625A

CN111853625A - Lamp set

Info

Publication number: CN111853625A
Application number: CN202010923162.8A
Authority: CN
Inventors: 曹波; 邱明; 陈红华; 丁美林
Original assignee: Lumlux Lighting Suzhou Inc
Current assignee: Lumlux Lighting Suzhou Inc
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2020-10-30

Abstract

The invention relates to the technical field of lighting, and discloses a lamp which comprises a lamp shell, a power supply and a lamp panel, wherein the power supply and the lamp panel are arranged on the front side of the lamp shell, the back side of the lamp shell is provided with a heat dissipation structure, a plurality of heat dissipation structures are arranged at intervals along a first direction, each heat dissipation structure comprises a plurality of heat dissipation tooth sheets arranged at intervals along a second direction, an included angle is formed between each second direction and the first direction, a first heat dissipation hole penetrating through the lamp shell is arranged between every two adjacent heat dissipation structures, and a plurality of first heat dissipation holes are arranged at intervals along the second direction. According to the invention, hot air above the lamp continuously flows into the air inlet flow channel, and upwards flows out of the lamp through the air outlet flow channel between two adjacent heat dissipation fins, and the hot air on the front surface of the lamp upwards flows to the air inlet flow channel through the first heat dissipation holes and upwards flows out of the lamp through the air outlet flow channel, so that the flow of the hot air around the lamp is accelerated, the heat dissipation efficiency is improved, the heat generated by a power supply and the lamp is prevented from being accumulated to influence the service life of the power supply and the lamp, and the heat dissipation device is particularly suitable for heat dissipation.

Description

Lamp set

Technical Field

The invention relates to the technical field of lighting, in particular to a lamp.

Background

The plant light supplement lamp is a lamp which uses light to replace sunlight to provide a light source required by plant growth and development according to the natural law of plant growth and the principle that plants utilize sunlight to carry out photosynthesis.

The power of the ceiling lamp for supplementing light to plants is mostly about 300W, and the heat productivity of a power supply and a lamp panel is large when the lamp is used for lighting. If the distance between the power supply and the lamp panel is short, the heat emitted by the power supply and the lamp panel is mutually transferred, so that the temperature of the power supply and the lamp panel is high, and the service life of the power supply and the service life of the lamp panel are influenced. At present, a power supply is generally arranged on the back of a lamp shell or is arranged far away from a lamp panel, but the whole external view of the lamp is not harmonious, and the lamp is complex in structure and large in weight.

Disclosure of Invention

The invention aims to provide a lamp which is good in heat dissipation effect and compact in structure.

In order to realize the purpose, the following technical scheme is provided:

the utility model provides a lamp, includes lamp body, power and lamp panel, the power with the lamp panel all set up in the front of lamp body, the back of lamp body is provided with heat radiation structure, and is a plurality of heat radiation structure sets up along the first direction interval, every heat radiation structure all includes a plurality of heat dissipation teeth pieces that set up along the second direction interval, the second direction with first direction is the contained angle, and adjacent two be provided with between the heat radiation structure and run through the first louvre of lamp body, it is a plurality of first louvre is followed the second direction interval sets up.

As a preferable scheme of the lamp, a second heat dissipation hole penetrating through the lamp housing is formed in a side edge of the lamp housing parallel to the second direction.

As a preferable scheme of the lamp, the power supply and the lamp panel correspond to one heat dissipation structure respectively.

The lamp comprises a lamp body, a lamp panel is arranged on the lamp body, a plurality of first clamping hooks are arranged on the side edge of the lamp body, the first clamping hooks are clamped on the side edge of the lamp body, a second clamping hook and a third clamping hook are further arranged on the lamp body, the second clamping hooks and the third clamping hooks are arranged in a spaced mode along the second direction, the second clamping hooks penetrate through the first heat dissipation holes and abut against the back face of the lamp body, and the third clamping hooks penetrate through the second heat dissipation holes and abut against the back face of the lamp body.

As a preferable aspect of the lamp, the lamp panel includes a plurality of light emitting modules, and each of the light emitting modules includes:

the back surface of the aluminum substrate is attached to the front surface of the lamp shell;

the lamp beads are arranged on the front side of the aluminum substrate;

and the transparent cover is attached to the front surface of the aluminum substrate and covers the lamp beads.

According to a preferable scheme of the lamp, the front face of the lamp housing is provided with a containing groove, the power supply is arranged in the containing groove, the lamp further comprises a cover plate, the cover plate compresses the power supply in the containing groove, and the cover plate is detachably connected with the lamp housing.

As a preferable scheme of the lamp, the power supply is connected with the lamp panel through a wire, the back surface of the lamp housing corresponding to the lamp panel is provided with a wire passing groove communicated with the accommodating groove, and the wire passing groove is used for avoiding the wire.

According to a preferable scheme of the lamp, the lamp housing is provided with a mounting hole, the mounting hole is communicated with the accommodating groove, and a vent valve is arranged in the mounting hole and used for exhausting gas in the accommodating groove.

As a preferable scheme of the lamp, the lamp housing is integrally formed by die casting.

The lamp further comprises a hanging rod, a first hook and a second hook, wherein the first hook comprises a first bending body and a first hook portion, the second hook comprises a second bending body and a second hook portion, the first bending body is hooked on the hanging rod, the second bending body is hooked on the second hook portion, and the second hook portion penetrates through the first radiating holes and abuts against the front face of the lamp housing.

The invention has the beneficial effects that:

in the lamp provided by the invention, the lamp shell is provided with the heat dissipation structures and the first heat dissipation holes, an air inlet flow channel is formed between every two adjacent heat dissipation structures, and an air outlet flow channel is formed between every two adjacent heat dissipation tooth sheets. When the lamp is used for lighting, the power supply and the lamp panel work and generate a large amount of heat to heat air around the lamp. The hot air above the lamp continuously flows into the air inlet flow channel and upwards flows through the air outlet flow channel between the two adjacent heat dissipation tooth sheets to leave the lamp, the hot air on the front surface of the lamp upwards flows to the air inlet flow channel through the first heat dissipation holes and upwards flows through the air outlet flow channel to leave the lamp, the flow of the hot air around the lamp is accelerated, the heat dissipation efficiency is improved, the heat generated by a power supply and the lamp is prevented from being gathered to influence the service life of the power supply and the lamp, the heat dissipation device is particularly suitable for heat dissipation of a high-power lamp, the power supply and the lamp are compactly arranged.

Drawings

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

FIG. 1 is a first isometric view of a luminaire provided by an embodiment of the present invention;

FIG. 2 is a second isometric view of a light fixture provided by an embodiment of the present invention;

FIG. 3 is an exploded view of a lamp according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a lamp housing and a lamp panel provided in an embodiment of the present invention;

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

fig. 6 is a schematic structural diagram of a lamp housing according to an embodiment of the present invention;

fig. 7 is a schematic partial structural view of the fixing frame and the lamp housing provided in the embodiment of the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 1 at B;

FIG. 9 is an enlarged view of a portion of FIG. 4 at A;

fig. 10 is a partial enlarged view at C in fig. 2.

Reference numerals:

1-a lamp housing; 3-lamp panel; 4-a heat dissipation structure; 5-first heat dissipation hole; 6-second heat dissipation hole; 7-fixing frames; 8-cover plate; 9-wieland water joints; 10-a wire; 20-a vent valve; 30-a third sealing ring; 40-hanging rods; 50-a first hook; 60-a second hook; 70-a second sealing ring;

11-a receiving groove; 12-a wire-passing groove;

31-aluminum substrate; 32-lamp beads; 33-a transparent cover;

41-radiating fins;

71-a frame body; 72-a first hook; 73-a second hook; 74-a third hook;

711-a first frame body; 712-a second frame body;

81-a second lug;

301-a first lug;

501-a first bending body; 502-a first hook portion;

601-a second bending body; 602-second hook portion.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 6, the present embodiment provides a lamp including a lamp housing 1, a power supply (not shown), and a lamp panel 3. The power supply and the lamp panel 3 are both arranged on the front side of the lamp shell 1, the power supply and the lamp panel 3 are compactly arranged, and the size of the whole lamp is reduced. The back of the lamp shell 1 is provided with a heat dissipation structure 4 to accelerate the diffusion of heat generated by the power supply and the lamp panel 3 and reduce the heat accumulation generated by the power supply and the lamp panel 3 to influence the service life of the power supply and the lamp panel 3.

A plurality of heat radiation structure 4 set up along first direction interval, and every heat radiation structure 4 all includes a plurality of heat dissipation teeth 41 that set up along second direction interval, and the second direction is the contained angle with first direction. In this embodiment, the second direction is perpendicular to the first direction. An air inlet channel is formed between two adjacent heat dissipation structures 4, and an air outlet channel is formed between two adjacent heat dissipation fins 41.

The arrows in fig. 6 indicate the flow direction of the hot air around the lamp. When the lamp is illuminated, the power supply and the lamp panel 3 operate and generate a large amount of heat to heat the air surrounding the lamp. The heated air above the lamp continuously flows into the air inlet channel and flows upwards through the air outlet channel between the two adjacent heat dissipation fins 41 to leave the lamp, so that the flow of the hot air above the lamp is accelerated, and the heat dissipation efficiency is improved. The air outlet flow passage between two adjacent heat dissipation fins 41 is narrow, and the flow of hot air is accelerated.

A first heat dissipation hole 5 penetrating through the lamp housing 1 is arranged between two adjacent heat dissipation structures 4, and the plurality of first heat dissipation holes 5 are arranged at intervals along the second direction. The hot air on the front surface of the lamp flows upwards to the air inlet channel through the first heat dissipation holes 5, and then flows upwards to leave the lamp through the air outlet channel. Through the arrangement of the first heat dissipation holes 5, the upward flow of hot air on the front face of the lamp is accelerated, and the heat dissipation effect is improved.

Preferably, a second heat dissipation hole 6 penetrating through the lamp housing 1 is formed in the side edge of the lamp housing 1 parallel to the second direction. Part of the hot air in the circumferential direction on the front surface of the lamp housing 1 flows upwards along the second heat dissipation holes 6 and flows upwards along the air outlet flow channel between two adjacent heat dissipation fins 41 to leave the lamp, so that the upward flow of the hot air on the front surface of the lamp is further accelerated, and the heat dissipation effect is improved.

In this embodiment, two lamp panels 3 are provided, and the two lamp panels 3 are respectively provided on two sides of the power supply. The power and the lamp panel 3 correspond to one heat dissipation structure 4 respectively, namely the heat dissipation structures 4 are three, and the three heat dissipation structures 4 correspond to the power and the two lamp panels 3 one to one respectively, so that the heat dissipation effect is improved.

Further, referring to fig. 3, the lamp further comprises a fixing frame 7 for mounting the lamp panel 3 on the lamp housing 1. The fixing frame 7 includes a frame body 71, and a first hook 72, a second hook 73, and a third hook 74 provided on the frame body 71.

Referring to fig. 3 and 7, a clamping groove is circumferentially formed on the inner side of the frame body 71, and the circumferential direction of the lamp panel 3 is clamped in the clamping groove on the frame body 71, so that the frame body 71 is clamped in the circumferential direction of the lamp panel 3. The first hook 72 is disposed on a side of the frame body 71 parallel to the first direction, and the first hook 72 is hooked on a side of the lamp housing 1.

Referring to fig. 3, the plurality of second hooks 73 are disposed at intervals along the second direction, and the second hooks 73 penetrate through the first heat dissipation hole 5 and abut against the back surface of the lamp housing 1. Referring to fig. 3, 5 and 8, the plurality of third hooks 74 are disposed at intervals along the second direction, and the third hooks 74 penetrate through the second heat dissipation holes 6 and abut against the back surface of the lamp housing 1.

The fixing frame 7 is clamped in the circumferential direction of the lamp panel 3 through the frame body 71 in a clamping mode, and is clamped with the lamp shell 1 through the first clamping hook 72, the second clamping hook 73 and the third clamping hook 74, the lamp panel 3 is rapidly installed, the first heat dissipation hole 5 and the second heat dissipation hole 6 play a role in heat dissipation, and the fixing frame also plays a role in installation, is simple in structure and convenient to operate, and facilitates subsequent disassembly and maintenance of the lamp panel 3.

Referring to fig. 1 and 3, in the present embodiment, the lamp panel 3 includes two light emitting modules spaced apart along the second direction, and the frame body 71 includes a first frame body 711 and a second frame body 712. The inner sides of the first frame body 711 and the second frame body 712 are circumferentially provided with clamping grooves, and the two light emitting modules are respectively clamped into the clamping grooves of the first frame body 711 and the second frame body 712. The first frame body 711 and the second frame body are preferably of an integral structure, and share one side.

Each light-emitting module comprises an aluminum substrate 31, a lamp bead 32 and a transparent cover 33. The back surface of the aluminum substrate 31 is attached to the front surface of the lamp housing 1 and fixed to the lamp housing 1 by bolts. A plurality of lamp beads 32 are distributed on the front surface of the aluminum substrate 31. The transparent cover 33 is attached to the front surface of the aluminum substrate 31 and covers all the lamp beads 32. The transparent cover 33 is adopted to improve the light distribution effect of the lamp.

In order to prevent external impurities such as dust or moisture from entering the gap between the aluminum substrate 31 and the lamp housing 1, the lamp further includes a first sealing ring (not shown) disposed between the aluminum substrate 31 and the lamp housing 1. The circumference of the back of aluminium base board 31 is provided with first holding tank, and first sealing washer is gone into to be gone into in the first holding tank.

In order to prevent the external dust or moisture and other impurities from entering the inner wall of the lamp panel 3 along the gap between the transparent cover 33 and the aluminum substrate 31, the lamp panel 3 further includes a second sealing ring 70 disposed between the aluminum substrate 31 and the transparent cover 33. The front surface of the aluminum substrate 31 is circumferentially provided with a second receiving groove, and the second seal ring 70 is snapped into the second receiving groove. The first sealing ring is preferably made of transparent silica gel, so that the light distribution effect of the lamp panel 3 is improved.

Further, referring to fig. 4, the accommodating groove 11 is formed in the front surface of the lamp housing 1 of the embodiment, and the power source is disposed in the accommodating groove 11, so that the power source is prevented from protruding out of the front surface of the lamp housing 1, the structure is more compact, and the attractiveness of the lamp is improved.

Referring to fig. 1, the lamp further includes a cover plate 8, and the cover plate 8 compresses the power supply in the accommodating groove 11, so as to mount the power supply on the lamp housing 1. The cover plate 8 is detachably connected with the lamp housing 1, so that the subsequent detachment and maintenance of the power supply are facilitated. The cover plate 8 is connected to the lamp housing 1 by bolts, for example.

Referring to fig. 1, 4 and 5, in the present embodiment, the lamp housing 1 is provided with a fixing hole, and a wieland waterproof connector 9 is installed in the fixing hole, and the wieland waterproof connector 9 is connected to an input line of a power supply.

Referring to fig. 4 and 9, a power supply is connected to the lamp panel 3 through a wire 10 to supply power to the lamp panel 3. Preferably, the back surface of the lamp housing 1 corresponding to the lamp panel 3 is provided with a wire passing groove 12 communicated with the accommodating groove 11, the wire passing groove 12 is used for avoiding the wire 10, the wire 10 is hidden and routed, the aesthetic property of the lamp is improved, meanwhile, the heat on the lamp panel 3 can be transferred to the accommodating groove 11 through the wire passing groove 12, and the water vapor in the lamp panel 3 can also flow into the accommodating groove 11 through the wire groove 12.

Referring to fig. 2, the lamp housing 1 is provided with a mounting hole, the mounting hole is communicated with the accommodating groove 11, a vent valve 20 is arranged in the mounting hole, the vent valve 20 is used for discharging gas in the accommodating groove 11, and meanwhile, water vapor of the lamp panel 3 can be discharged through the vent valve 20 after flowing into the accommodating groove 11 through the wire slot 12, so that moisture and fog are prevented from appearing on the inner wall of the transparent cover 33.

Referring to fig. 4 and 9, in order to prevent impurities such as dust or moisture from entering the accommodating groove 11, a third sealing ring 30 is disposed between the cover plate 8 and the lamp housing 1. The third seal ring 30 includes a seal ring body and a first lug 301 provided along an outer circumferential direction of the seal ring body. The cover plate 8 is provided with a groove corresponding to the sealing ring body, the sealing ring body is clamped into the groove, meanwhile, the cover plate 8 is circumferentially provided with a second lug 81 corresponding to the first lug 301, and the fastening piece sequentially penetrates through the second lug 81 and the first lug 301 and then is connected with the lamp housing 1. The fasteners are preferably bolts or screws.

The lamp housing 1 of this embodiment is die-casting integrated into one piece, the foretell heat radiation structure 4 of easy shaping, simple structure, and the preparation is efficient.

Referring to fig. 1, 2, 3 and 10, the light fixture further includes a hanging bar 40, a first hook 50 and a second hook 60. The first hook 50 includes a first bending body 501 and a first hook portion 502, the second hook 60 includes a second bending body 601 and a second hook portion 602, the first bending body 501 is hooked on the hanging rod 40, the second bending body 601 is hooked on the second hook portion 602, and the second hook portion 602 passes through the first heat dissipation hole 5 and abuts against the front surface of the lamp housing 1. The lamp is hooked on the hanging rod 40 by the first hook 50 and the second hook 60. The hanging rod 40 can be placed at a required position according to the growth requirement of plants. In this embodiment, two second hooks 60 are provided, the two free ends of the first bending body 501 are both provided with the first hook portions 502, and the two second hooks 60 are respectively hooked on the two first hook portions 502. Two free ends of the second bending body 601 are provided with second hook parts 602, so that the connection stability of the second hook 60 and the lamp is improved.

The assembly process of the lamp of the present embodiment is roughly as follows:

the first seal ring is snapped into the first receiving groove in the back side of the aluminum substrate 31 of the lamp panel 3. The second seal ring 70 is fitted into the second receiving groove of the aluminum substrate 31, and the transparent cover 33 is covered and fastened to the aluminum substrate 31. The fixing frame 7 is clamped on the circumference of the lamp panel 3 through the frame body 71, and the fixing frame 7 is clamped on the lamp housing 1 through the first clamping hook 72, the second clamping hook 73 and the third clamping hook 74. The power supply is placed in the accommodating groove 11 in the front face of the lamp housing 1, the cover plate 8 is fixed on the lamp housing 1 and compresses the power supply, and the third sealing ring 30 is installed between the cover plate 8 and the lamp housing 1. Finally, the lamp is hooked on the hanging rod 40 through the first hook 50 and the second hook 60.

In the lamp provided by this embodiment, the lamp housing 1 is provided with the heat dissipation structure 4, the first heat dissipation hole 5 and the second heat dissipation hole 6, the hot air above the lamp constantly flows into the air inlet channel, and flows upwards through the air outlet channel between the two adjacent heat dissipation fins 41 to leave the lamp, the hot air in the front of the lamp flows upwards through the first heat dissipation hole 5 and the second heat dissipation hole 6 to the air inlet channel, and flows upwards through the air outlet channel to leave the lamp, the flow of the hot air around the lamp is accelerated, the heat dissipation efficiency is improved, the heat accumulation generated by the power supply and the lamp is avoided, the service life of the power supply and the lamp is not affected, and the lamp is particularly suitable for high-power lamp heat dissipation, the power supply. The lamp shell 1 is integrally formed by die casting, so that the heat dissipation structure 4 is formed. The lamp panel 3 is clamped and fixed on the lamp shell 1 through the fixing frame 7, so that the lamp panel is convenient to install and maintain by the aid of the lamp panel 3. The cover plate 8 is detachably connected with the lamp housing 1, so that the power supply is convenient to maintain. The wires 10 between the power supply and the lamp panel 3 are hidden wires, so that the attractiveness of the lamp is improved. The ventilation valve 20 is installed on the lamp housing 1 to prevent moisture from occurring on the inner walls of the accommodating groove 11 and the transparent cover 33.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. The utility model provides a lamp, its characterized in that, includes lamp body (1), power and lamp panel (3), the power with lamp panel (3) all set up in the front of lamp body (1), the back of lamp body (1) is provided with heat radiation structure (4), and is a plurality of heat radiation structure (4) set up along the first direction interval, every heat radiation structure (4) all include a plurality of heat dissipation teeth piece (41) that set up along the second direction interval, the second direction with the first direction is the contained angle, and adjacent two be provided with between heat radiation structure (4) and run through first louvre (5) of lamp body (1), it is a plurality of first louvre (5) are followed the second direction interval sets up.

2. A lamp as claimed in claim 1, characterized in that a side of the lamp housing (1) parallel to the second direction is provided with a second heat dissipation hole (6) penetrating through the lamp housing (1).

3. A luminaire as claimed in claim 2, characterized in that the power supply and the lamp panel (3) each correspond to one of the heat dissipating structures (4).

4. A luminaire as claimed in claim 3, characterized in that it further comprises a fixing frame (7), the fixing frame (7) comprises a frame body (71), the frame body (71) is clamped in the circumferential direction of the lamp panel (3), a plurality of first clamping hooks (72) are arranged on the side edge of the frame body (71) parallel to the first direction, the first hook (72) is hooked on the side edge of the lamp shell (1), the frame body (71) is further provided with a second hook (73) and a third hook (74), the second hooks (73) and the third hooks (74) are arranged at intervals along a second direction, the second clamping hook (73) penetrates through the first heat dissipation hole (5) and is abutted against the back surface of the lamp shell (1), the third clamping hook (74) penetrates through the second heat dissipation hole (6) and abuts against the back face of the lamp housing (1).

5. A luminaire as claimed in claim 4, characterized in that the lamp panel (3) comprises a plurality of light modules, each comprising:

an aluminum substrate (31) having a back surface attached to the front surface of the lamp housing (1);

the lamp beads (32) are arranged on the front surface of the aluminum substrate (31);

and the transparent cover (33) is attached to the front surface of the aluminum substrate (31) and covers the lamp beads (32).

6. A lamp as claimed in claim 1, wherein a receiving groove (11) is formed in the front surface of the lamp housing (1), the power supply is disposed in the receiving groove (11), the lamp further comprises a cover plate (8), the cover plate (8) compresses the power supply in the receiving groove (11), and the cover plate (8) is detachably connected to the lamp housing (1).

7. A lamp as claimed in claim 6, wherein the power supply is connected to the lamp panel (3) via a wire (10), and a wire passing groove (12) communicated with the accommodating groove (11) is provided on the lamp housing (1) corresponding to the back surface of the lamp panel (3), wherein the wire passing groove (12) is used for avoiding the wire (10).

8. A lamp as claimed in claim 6, characterized in that the lamp housing (1) has a mounting hole, the mounting hole is communicated with the accommodating groove (11), a vent valve (20) is disposed in the mounting hole, and the vent valve (20) is used for exhausting gas in the accommodating groove (11).

9. A lamp as claimed in any one of the preceding claims 1 to 8, characterized in that the lamp envelope (1) is integrally formed by die casting.

10. A lamp as claimed in any one of claims 1 to 8, further comprising a hanging rod (40), a first hook (50) and a second hook (60), wherein the first hook (50) comprises a first bent body (501) and a first hook portion (502), the second hook (60) comprises a second bent body (601) and a second hook portion (602), the first bent body (501) is hooked on the hanging rod (40), the second bent body (601) is hooked on the second hook portion (602), and the second hook portion (602) passes through the first heat dissipation hole (5) and abuts against the front surface of the lamp housing (1).