CN211059963U

CN211059963U - Lamp fitting

Info

Publication number: CN211059963U
Application number: CN201922492600.5U
Authority: CN
Inventors: 朱增龙; 卫庆军; 王国平
Original assignee: Opple Road Lighting Co ltd
Current assignee: Opple Road Lighting Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-21
Anticipated expiration: 2029-12-31
Also published as: WO2021136184A1

Abstract

The utility model discloses a lamp, which comprises a shell, a power supply and a light-emitting component, wherein the shell comprises a mounting seat, a power supply mounting area and a light source mounting area, the mounting seat is configured to be mounted on a lamp post, the power supply mounting area and the light source mounting area are both connected with the mounting seat, and heat dissipation holes are arranged between the power supply mounting area and the light source mounting area and penetrate through the shell along the thickness direction of the shell; the power supply is arranged in the power supply installation area; the light-emitting component is arranged in the light source mounting area and comprises a lens and a light source, the lens is matched with the light source, and the light source is electrically connected with the power supply. The lamp disclosed by the scheme can prevent the mutual influence of heat generated by the power supply and the light source, and the heat dissipation efficiency of the lamp is relatively good.

Description

Lamp fitting

Technical Field

The utility model relates to a lighting apparatus technical field especially relates to a lamp.

Background

The lamp is an indispensable product in people's production and life, and lamps and lanterns include light source and power usually, and in the course of the work of lamps and lanterns, power and light source all can produce certain heat usually, and the heat that power and light source produced still can influence each other, leads to the radiating efficiency of lamps and lanterns relatively low, causes the life of lamps and lanterns to be shorter.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a lamp to light source and power influence each other in solving present lamps and lanterns, the radiating efficiency of whole lamps and lanterns is lower, the shorter problem of life.

In order to solve the above problem, the utility model adopts the following technical scheme:

a light fixture, comprising:

the lamp post comprises a shell, wherein the shell comprises a mounting seat, a power supply mounting area and a light source mounting area, the mounting seat is configured to be mounted on a lamp post, the power supply mounting area and the light source mounting area are both connected with the mounting seat, a heat dissipation hole is formed between the power supply mounting area and the light source mounting area, and the heat dissipation hole penetrates through the shell along the thickness direction of the shell;

a power supply mounted to the power supply mounting area;

the light-emitting component is arranged in the light source mounting area and comprises a lens and a light source, the lens is matched with the light source, and the light source is electrically connected with the power supply.

The utility model discloses a technical scheme can reach following beneficial effect:

the utility model discloses an among the lamps and lanterns, be provided with the mount pad on the shell, under the effect of mount pad, can install whole lamps and lanterns on the lamp pole. The light source installation area and the power supply installation area on the shell are respectively used for installing the light-emitting component and the power supply, and the heat dissipation holes are formed between the power supply installation area and the light source installation area, so that the power supply and the light-emitting component can be isolated and are independent from each other, the heat generated by the power supply and the light-emitting component is prevented from influencing each other in the working process of the lamp, and the respective heat dissipation efficiency of the power supply and the light-emitting component is improved; meanwhile, because the radiating holes penetrate through the shell along the thickness direction of the shell, in the working process of the lamp, gas can flow on two sides of the shell and take away heat generated by the work of the power supply and the light source, so that the radiating efficiency of the lamp can be further improved, and the purpose of prolonging the service life of the lamp is achieved.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is an assembly view of a lamp disclosed in an embodiment of the present invention;

fig. 2 is a schematic structural view of a lamp disclosed in the embodiment of the present invention;

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

FIG. 4 is an enlarged view of portion I of FIG. 3;

fig. 5 is an exploded schematic view of a lamp disclosed in the embodiment of the present invention;

fig. 6 is an assembly view of a lens and a gasket in a lamp according to an embodiment of the present invention;

fig. 7 is a partially exploded schematic view of a lamp according to an embodiment of the present invention;

fig. 8 is a schematic cross-sectional view of a lamp according to an embodiment of the present invention;

fig. 9 is an enlarged view of a portion II in fig. 8.

Description of reference numerals:

100-shell, 110-mounting seat, 111-containing part, 111 a-lamp rod cavity, 112-positioning part, 112 a-positioning hole, 120-shell, 121-power supply mounting area, 122-light source mounting area, 130-cover body, 140-heat dissipation hole, 150-sealing ring,

200-power supply,

300-light emitting component, 310-lens, 311-light transmission part, 312-packaging edge, 320-light source, 330-fool-proof structure, 340-sealing pad,

400-lamp post,

510-first catch, 520-second catch, 530-first protrusion, 540-second protrusion.

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

As shown in fig. 1-9, an embodiment of the present invention discloses a lamp, which includes a housing 100, a power source 200, and a light emitting assembly 300. The lamp can be a floor lamp, or the lamp can also be a lamp holder of a street lamp.

The housing 100 includes a mounting base 110, a power source mounting area 121 and a light source mounting area 122, the mounting base 110 is configured to be mounted on the lamp post 400, the power source mounting area 121 and the light source mounting area 122 are both connected to the mounting base 110, a heat dissipation hole 140 is formed between the power source mounting area 121 and the light source mounting area 122, and the heat dissipation hole 140 penetrates through the housing 100 along the thickness direction of the housing 100. The power supply 200 is installed in the power supply installation area 121, the light emitting assembly 300 is installed in the light source installation area 122, the light emitting assembly 300 comprises a lens 310 and a light source 320, the lens 310 is matched with the light source 320, and the light source 320 is electrically connected with the power supply 200.

With the above structure, the entire light fixture may be mounted on the lamp post 400 by means of the mount 110 connected to the housing 100. The light source installation area 122 and the power supply installation area 121 on the housing 100 are respectively used for installing the light emitting component 300 and the power supply 200, and the heat dissipation holes 140 are arranged between the power supply installation area 121 and the light source installation area 122, so that the power supply 200 and the light emitting component 300 can be isolated, the power supply 200 and the light emitting component 300 are mutually independent, and in the working process of the lamp, the heat generated by the power supply 200 and the light emitting component 300 can be prevented from being mutually influenced, so that the respective heat dissipation efficiencies of the power supply 200 and the light emitting component 300 are improved; meanwhile, since the heat dissipation holes 140 penetrate through the housing 100 along the thickness direction of the housing 100, in the working process of the lamp, gas can flow on both sides of the housing 100 and take away heat generated by the work of the power supply 200 and the light source 320, which can further improve the heat dissipation efficiency of the lamp and achieve the purpose of prolonging the service life of the lamp.

Specifically, the shape of the housing 100 may be rectangular, square, circular, or the like. In order to ensure high structural strength of the lamp, the housing 100 and the mounting seat 110 may be made of hard materials such as plastic or metal, and preferably, they may be formed by integrally molding metal materials. The mounting base 110 and the mounting base such as the lamp post 400 can be fixed to each other by using a connecting member such as a bolt assembly. The heat dissipation holes 140 can be directly formed along with the forming process of the housing 100, the size and the shape of the heat dissipation holes 140 can be determined according to actual requirements, optionally, the heat dissipation holes 140 can be square holes, the number of the heat dissipation holes 140 is multiple, the heat dissipation holes 140 can be arranged in rows and columns, under the condition, the area of a connecting structure between the heat dissipation holes 140 can be smaller, the heat dissipation area of the heat dissipation holes 140 is further increased, and the weight of the whole housing 100 can be reduced.

The power source 200 is connected to the light sources 320 in the light emitting assembly 300 to distribute power to the light sources 320, so that parameters such as current and voltage input to the light sources 320 meet the requirements of the light sources 320, the light sources 320 may be L ED lamps, the number of the light sources 320 may be one, or the number of the light sources 320 may also be multiple, so as to improve the lighting effect of the whole lamp.

The lens 310 is a light distribution element to provide a light distribution function for the light source 320, and the lens 310 may have a light diffusion effect to increase an illumination range of the lamp, or the lens 310 may further improve uniformity of light emitted by the light source 320. The lens 310 may be made of light-transmitting plastic such as acrylic, and when the light sources 320 are provided in plural, one lens 310 may be provided to provide a light distribution function for the plural light sources 320 by using one lens 310, or the lens 310 may also be provided in plural, the plural lenses 310 and the plural light sources 320 are arranged in one-to-one correspondence, the plural lenses 310 may be arranged in a split manner, or the plural lenses 310 are connected to each other as a whole, which facilitates the lamp processing and assembling work.

It should be noted that the power source mounting area 121 and the light source mounting area 122 may be only mounting positions, and cannot provide a packaging or housing function for the power source 200 and the light source 320, in this case, the power source 200, the lens 310 and the light source 320 may be fixed on the housing 100 by means of connectors such as screws. As described above, in the case that the lamp is a street lamp cap, in order to prevent external water and dust from entering the power supply 200 and the light source 320, a power supply mounting box and a light source mounting box may be added to provide a packaging function for the power supply 200 and the light source 320.

To improve the overall performance of the luminaire, preferably, both the power source mounting area 121 and the light source mounting area 122 may also provide containment and packaging for the mounting of the power source 200 and the light source 320. Further, the housing 100 includes a casing 120 and a cover 130, the power source mounting region 121 and the light source mounting region 122 are both recessed on the casing 120, the cover 130 is covered on the power source mounting region 121 and encloses a power source accommodating cavity, and the power source 200 is installed in the power source accommodating cavity; the opening of the light source mounting region 122 is covered with a packaging part and encloses a light source accommodating cavity, and the light source 320 is mounted in the light source accommodating cavity, so that the lamp has the functions of accommodating and packaging the power supply 200 and the light source 320, and impurities such as water and dust are isolated outside the power supply 200 and the light source 320. Meanwhile, the opening of the power source mounting area 121 and the opening of the light source mounting area 122 may be located on opposite sides of the housing 120, respectively, so that the space utilization efficiency of the lamp may be effectively improved.

Specifically, the shapes and sizes of the power source mounting region 121 and the light source mounting region 122 may correspond to the shapes and sizes of the power source 200 and the light source 320. The cover 130 and the housing 120, and the sealing portion and the housing 120 may be connected by a bolt assembly, or may be fixed together by clamping or bonding.

Further, the encapsulation portion may be a rigid light-transmissive plate, in which case both the lens 310 and the light source 320 may be encapsulated within the light source mounting cavity. Alternatively, the encapsulating portion is the lens 310, and the lens 310 can be encapsulated at the opening of the light source installation area 122, which can reduce the number of parts in the lamp, and can reduce the blocking and weakening effect of the extra parts on the light emitted by the light source 320 to a certain extent.

Alternatively, the cover 130 and the housing 120, and the lens 310 and the housing 120 may be fixed together by clipping. For example, one of the cover 130 and the housing 120 may be provided with a buckle, and the other may be provided with a protrusion, so that the buckle generates a certain elastic deformation to form a clamping limit relationship with the protrusion, i.e., the housing 120 and the cover 130 may be fixed as a whole, and similarly, the housing 120 and the lens 310 may be fixed to each other in a similar connection manner.

Specifically, the housing 120 may be provided with a first buckle 510 and a second bulge 540, the cover 130 is provided with a first bulge 530 corresponding to the first buckle 510, the lens 310 is provided with a second buckle 520 corresponding to the second bulge 540, the first buckle 510 is connected with the first bulge 530 in a clamping manner, and the second buckle 520 is connected with the second bulge 540 in a clamping manner, so that the cover 130 and the lens 310 may be respectively fixed at the opening of the power source mounting area 121 and the opening of the light source mounting area 122 on the housing 120, thereby achieving the purpose of encapsulating the power source 200 and the light source 320. Moreover, the clamping limiting relation of the structure is convenient to disassemble, and tools are not needed.

In addition, a position of the first protrusion 530 on the cover 130 may further be provided with a limiting structure, the limiting structure has an opening, the first protrusion 530 may be disposed in the opening, and in the process of connecting the housing 120 and the cover 130, the first buckle 510 extends into the opening and is clamped and fixed with the first protrusion 530, and under the effect of the limiting structure, the connection failure between the first buckle 510 and the first protrusion 530 may also be prevented, so as to ensure higher connection reliability between the housing 120 and the cover 130. Similarly, a similar limiting structure may be disposed on the lens 310 or the housing 120 to ensure that the connection relationship between the lens 310 and the housing 120 has high reliability.

In order to ensure higher connection reliability between the housing 120 and the cover 130 and between the housing 120 and the lens 310, the first fasteners 510, the second fasteners 520, the first protrusions 530 and the second protrusions 540 may be provided in plural numbers, and the first fasteners 510 and the first protrusions 530 are matched in a one-to-one correspondence manner, and the second fasteners 520 and the second protrusions 540 are matched in a one-to-one correspondence manner. The plurality of first snaps 510 and the plurality of second snaps 520 may be disposed at different orientations of the housing 120 and the lens 310, respectively, to further improve the reliability of the connection between the housing 120 and the cover 130.

In order to further improve the sealing performance between the casing 120 and the cover 130, optionally, the surface of the cover 130 facing the casing 120 may be provided with a receiving groove, and a sealing ring 150 is disposed in the receiving groove, so that the casing 120 extends into the receiving groove, and the casing 120 and the sealing ring 150 are in press fit to further improve the air tightness between the casing 120 and the cover 130, thereby preventing water and dust from entering the sealed cavity of the power supply 200 and adversely affecting the normal operation of the power supply 200.

Specifically, the receiving groove may be integrally formed with the cover 130 during the forming process, the sealing ring 150 may be made of a flexible material such as rubber or foam, and during the assembling process of the lamp, the sealing ring 150 is inserted into the receiving groove of the cover 130, and during the process of connecting the cover 130 and the housing 120, the housing 120 is inserted into the receiving groove. In the case where the case 120 and the cover 130 are pressed against each other, high airtightness between the cover 130 and the case 120 can be ensured.

Correspondingly, the light emitting assembly 300 may further include a sealing gasket 340, the sealing gasket 340 has an annular structure, the sealing gasket 340 is hermetically connected between the lens 310 and the housing 120, and the sealing performance between the lens 310 and the housing 120 is correspondingly improved by the sealing gasket 340. Specifically, the gasket 340 may be made of a flexible material such as rubber or foam, the gasket 340 may be sandwiched between the lens 310 and the housing 120, after the second latch 520 and the second protrusion 540 are connected to each other, the gasket 340 may be fixed between the lens 310 and the housing 120, and the gasket 340 sandwiched between the second latch 520 and the second protrusion 540 may be elastically deformed to improve the sealing performance between the housing 120 and the lens 310 by designing the size of the second latch 520, the size of the second protrusion 540, the size of the gasket 340, and the like.

Further, the lens 310 may include a light-transmitting portion 311 and a sealing edge 312, the sealing edge 312 is connected to the outer periphery of the light-transmitting portion 311, and in the process of assembling the lamp, the sealing gasket 340 may be sleeved on the outer periphery of the light-transmitting portion 311, and the sealing gasket 340 and at least a portion of the light-transmitting portion 311 may extend into the light source installation region 122 recessed on the housing 120. Meanwhile, the gasket 340 is interposed between the case 120 and the light-transmitting portion 311 in a direction perpendicular to the thickness direction of the case 100, and the sealed edge 312 is attached to the case 120 in the thickness direction of the case 100.

With the above structure, the housing 100, the lens 310 and the gasket 340 may provide multiple seals for the light source installation region 122. In detail, the sealing edge is connected to the periphery of the light-transmitting portion 311, at least a part of the light-transmitting portion 311 extends into the light source installation region 122, and the sealing edge 312 and the shell 120 are attached to each other along the thickness direction of the casing 100, so as to provide primary sealing for the light source installation region 122; by sandwiching the sealing gasket 340 between the housing 120 and the light-transmitting arrangement in the direction perpendicular to the thickness direction of the casing 100, secondary sealing can be provided for the light source mounting region 122, and at the same time, the effect of the fixed connection between the light-transmitting portion 311 and the housing 120 can be improved by the sealing gasket 340.

In order to further improve the heat dissipation efficiency of the lamp, the power supply 200 may be bonded to the surface of the cover 130 facing the housing 120 through the thermal conductive adhesive, so that the heat generated by the power supply 200 due to the work may be transferred to the cover 130 under the action of the thermal conductive adhesive, and then dissipated through the cover 130, thereby further improving the heat dissipation efficiency of the power supply 200, further preventing the heat generated by the power supply 200 from adversely affecting the heat dissipation process of the light source 320, and improving the heat dissipation efficiency of the whole lamp.

Optionally, in the case that the power supply 200 is adhered to the surface of the cover 130, the power supply 200 may not contact the housing 120, so as to further prevent the heat generated by the power supply 200 from adversely affecting the heat dissipation process of the light source 320; alternatively, the power supply 200 may be adhered to the cover 130 and supported on the bottom of the power supply mounting region 121 of the housing 120, so as to improve the mounting stability of the power supply 200.

As described above, the number of the power sources 200 may be plural, and the plural power sources 200 may improve the lighting effect of the lamp, and particularly, in the case that the lamp is a street lamp cap, the better lighting effect may improve the reliable lighting effect for pedestrians and vehicles at night. Specifically, the plurality of light sources 320 may be installed in the same light source installation area 122, optionally, the light source installation area 122 may be provided with a plurality of light sources 320, the plurality of light sources 320 may be installed in the same side of the power supply installation area 121, or may be installed in opposite sides of the power supply installation area 121, and under the condition that the light source installation areas 122 are both provided at both sides of the power supply installation area 121, in order to ensure that the heat dissipation effects of the light emitting assemblies 300 installed in the respective light source installation areas 122 are relatively high, the heat dissipation holes 140 may be provided between the respective light source installation areas 122 and the power supply installation area 121, which makes the light emitting assemblies 300 installed in the respective light source installation areas 122 mutually independent from the power supply 200, thereby preventing the power supply 200 and the respective light sources 320 from mutually influencing each other due to the heat generated by the work, and causing.

Specifically, the shapes of the light source installation areas 122 located at the two sides of the power source installation area 121 may be the same, and the specifications of the light emitting assemblies 300 installed in the light source installation areas 122 are also the same, so that the center of gravity of the whole lamp is relatively stable, the uniformity of light emitted by the whole lamp is relatively high, and the illumination effect is relatively good.

Further, a plurality of light source installation areas 122 may be disposed on one side of the power source installation area 121, and each light source installation area 122 is installed with a light emitting component 300, a heat dissipation hole 140 is disposed between any one of the light source installation areas 122 and the power source installation area 121, and a heat dissipation hole 140 is disposed between any two adjacent light source installation areas 122, in this case, the number of the light source installation areas 122 is further increased, and in a manner that any one of the light source installation areas 122 is independent of other light source installation areas 122 and the power source installation area 121, the heat dissipation efficiency of the whole lamp can be relatively high, and the lighting effect can be further improved.

Specifically, any one of two sides of the power source installation area 121 may be provided with the same number of light source installation areas 122, the shape and size of each light source installation area 122 may be completely the same, and the plurality of light source installation areas 122 may be arranged in a row, which may further improve the lighting effect of the lamp. More specifically, any one of the light emitting assemblies 300 may include a plurality of light sources 320, and a plurality of light distribution structures are correspondingly disposed on the lens 310 for the light sources 320, so as to distribute light for the plurality of light sources 320 one by one. In the case that the light emitting assembly 300 is provided in plural and has the same structure, in order to improve the assembling efficiency of the lamp, the fool-proof structure 330 may be provided on the lens 310 and/or the light source 320.

In order to improve the heat dissipation effect of the entire lamp, when the light source mounting regions 122 are disposed on both sides of the power source mounting region 121, the projection of the power source mounting region 121 may be located outside the light source mounting regions 122 on both sides of the power source mounting region 121 along the thickness direction of the housing 100, and in this case, the heat generated by the power source 200 and the light source 320 may be further prevented from affecting each other and being detrimental to the heat dissipation operation of the power source 200 and the light source 320.

Further, the mounting base 110 and the position of the power source mounting area 121 on the housing 120 may be connected, so that the mounting base 110 is centered with respect to the housing 120, thereby ensuring that the stress of the mounting base 110 is relatively balanced, and providing a relatively reliable fixing effect for the whole lamp.

Further, the mounting base 110 may include an accommodating portion 111 and a positioning portion 112, the accommodating portion 111 has a lamp post cavity 111a, and the lamp post cavity 111a may accommodate a portion of the lamp post 400, so as to ensure a relatively reliable fixed relationship between the mounting base 110 and the lamp post 400; the positioning portion 112 is installed on the accommodating portion 111, and the positioning portion 112 is provided with a positioning hole 112a, in the assembling process of the lamp post 400 and the installation seat 110, the lamp post 400 can penetrate through the positioning hole 112a and extend into the lamp post cavity 111a, and meanwhile, in the direction perpendicular to the axial direction of the positioning hole 112a, the positioning hole 112a can form a limit matching relation with the lamp post 400, so that the lamp post 400 and the installation seat 110 can form a more reliable fixed relation, and the situation that the lamp installed on the lamp post 400 shakes is prevented.

Specifically, the accommodating portion 111 and the housing 120 may be integrally formed to ensure high connection reliability therebetween. The positioning portion 112 may be a plate-shaped structure, and may be fixedly mounted on the accommodating portion 111 by a connector such as a screw, and the size of the positioning hole 112a may be flexibly designed according to the actual situation such as the size and shape of the lamp post 400

The utility model discloses what the key description in the above embodiment is different between each embodiment, and different optimization characteristics are as long as not contradictory between each embodiment, all can make up and form more preferred embodiment, consider that the literary composition is succinct, then no longer describe here.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A light fixture, comprising:

the lamp post comprises a shell (100), wherein the shell (100) comprises a mounting seat (110), a power supply mounting area (121) and a light source mounting area (122), the mounting seat (110) is configured to be mounted on a lamp post (400), the power supply mounting area (121) and the light source mounting area (122) are both connected with the mounting seat (110), a heat dissipation hole (140) is formed between the power supply mounting area (121) and the light source mounting area (122), and the heat dissipation hole (140) penetrates through the shell (100) along the thickness direction of the shell (100);

a power supply (200), the power supply (200) being mounted to the power supply mounting area (121);

the light-emitting component (300), the light-emitting component (300) is installed in the light source installation area (122), the light-emitting component (300) comprises a lens (310) and a light source (320), the lens (310) is matched with the light source (320), and the light source (320) is electrically connected with the power supply (200).

2. The lamp set according to claim 1, wherein the housing (100) comprises a casing (120) and a cover (130), the power source mounting area (121) and the light source mounting area (122) are both concavely disposed on the casing (120), an opening of the power source mounting area (121) and an opening of the light source mounting area (122) are respectively located on two opposite sides of the casing (120), the cover (130) covers the opening of the power source mounting area (121) and encloses a power source accommodating cavity, the power source (200) is mounted in the power source accommodating cavity, an opening of the light source mounting area (122) covers an encapsulation portion and encloses a light source accommodating cavity, and the light source (320) is mounted in the light source accommodating cavity.

3. A lamp as claimed in claim 2, wherein the surface of the cover (130) facing the housing (120) is provided with a receiving groove, a sealing ring (150) is disposed in the receiving groove, the housing (120) extends into the receiving groove, and the housing (120) is press-fitted with the sealing ring (150).

4. A light fixture as recited in claim 2, wherein the light emitting assembly (300) further comprises a gasket (340), the gasket (340) having an annular configuration, the gasket (340) being sealingly connected between the enclosure and the housing (120).

5. The lamp according to claim 4, wherein the sealing portion is the lens (310), the lens (310) includes a light-transmitting portion (311) and a sealing edge (312), the sealing edge (312) is connected to an outer periphery of the light-transmitting portion (311), the sealing gasket (340) is sleeved on the outer periphery of the light-transmitting portion (311), the sealing gasket (340) and at least a portion of the light-transmitting portion (311) extend into the light source installation region (122), the sealing gasket (340) is sandwiched between the housing (120) and the light-transmitting portion (311) along a direction perpendicular to a thickness direction of the housing (100), and the sealing edge (312) is attached to the housing (120) along the thickness direction of the housing (100).

6. A lamp as claimed in claim 2, characterized in that the power supply (200) is bonded to the surface of the cover (130) facing the housing (120) by a thermally conductive glue.

7. A lamp as claimed in claim 1, wherein the light source mounting regions (122) are disposed on two sides of the power source mounting region (121), the light emitting assembly (300) is mounted on each light source mounting region (122), and the heat dissipation hole (140) is disposed between each light source mounting region (122) and the power source mounting region (121).

8. A lamp as claimed in claim 1, wherein one side of the power source installation region (121) is provided with a plurality of light source installation regions (122), each light source installation region (122) is provided with the light emitting component (300), the heat dissipation hole (140) is provided between each light source installation region (122) and the power source installation region (121), and the heat dissipation hole (140) is provided between any two adjacent light source installation regions (122).

9. A light fixture as claimed in claim 1, characterized in that the mounting seat (110) comprises a receiving portion (111) and a positioning portion (112), the receiving portion (111) has a lamp post cavity (111a), the positioning portion (112) is mounted to the receiving portion (111), the positioning portion (112) has a positioning hole (112a), and the positioning hole (112a) is configured to be in limit fit with the lamp post (400) in a direction perpendicular to an axial direction of the positioning hole (112 a).

10. A light fixture as recited in claim 1, wherein the light fixture is a street light head.