Modular lamp

Abstract

The modular lamp comprises a base 10, a light source module 20 and a surface cover 30. The base is fixedly mounted outside and has a mounting cavity 102 with a lower end formed with an opening, and a

Description

BACKGROUND OF THE INVENTION [0001 ] I. Technical Field

[0002] The invention relates to the technical field of lamps, in particular to a modular lamp.

[0003] 2. Description of Related Art

[0004] Light-emitting diode lamps, abbreviated as LED lamps, are appliances capable of transmitting and distributing light, and changing the light distribution of an LED light source, and comprises, in addition to LED light sources, all parts for fixing and protecting the LED light source, and line accessories necessary for power connection. The LED lamps are becoming a new generation of mainstreaming illumination products in the market because of their high efficiency, energy saving property, safety, long service life, small size, and other technical features.

[0005] In the existing LED illumination industry, an LED light source and a housing of lamps are integrated structurally, which makes maintenance inconvenient; and when the LED light source is damaged, the whole lamp has to be detached from the ceiling and discarded, and replaced with a new lamp, which not only increases the use cost of users, but also results in severe material, which in turn leads to severe environmental destruction. Therefore, it is necessary to make a further improvement on the existing LED lamp structure. BRIEF SUMMARY OF THE INVENTION

[0006] The invention provides a modular lamp which can effectively solve the problems of inconvenient maintenance, high use cost, material waste, and severe environmental destruction of existing LED lamps.

[0007] To fulfill the above objective, the technical solution adopted by the invention is to provide a modular lamp, which comprises a base, a light source module and a surface cover, wherein the base is fixedly mounted outside and has a mounting cavity with a lower end formed with an opening, and a first electrical connection part is arranged on an inner wall of the mounting cavity; the light source module is detachably arranged on the base and located in the mounting cavity, and a second electrical connection part matched with the first electrical connection part is arranged on the light source module; and the surface cover is detachably mounted on the light source module and covers the opening in the lower end of the mounting cavity.

[0008] Further, the base comprises a stand, fixing lugs, a power line and a top cover; the mounting cavity is integrally formed on a lower surface of the stand, a circular fixing plate extends out from a periphery of a lower end of the stand, and two fixing parts are arranged at an upper end of the stand; the number of the fixing lugs is two, each fixing lug has a spring part, is matchingly mounted on the corresponding fixing part through the spring part, and is able to turn upward and downward, and the fixing lugs are able to turn towards the fixing plate under the action of the spring parts; the power line is arranged on the stand and conductively connected to the first electrical connection part; and the top cover is arranged on the stand and covers a joint of the power line and the stand.

[0009] Further, the stand of the base and the fixing lugs are made from high-temperature fireproof materials with a melting temperature over 1000 °C.

[0010] Further, a first assembly groove is formed in a bottom of the mounting cavity, a first connection part matched with the assembly groove is arranged on the light source module, and the light source module is detachably mounted on the base through cooperation of the first connection part and the first assembly groove.

[0011] Further, one or more first electrical connection parts are arranged at a bottom of the mounting cavity at equal angles, and each of the electrical connection parts comprises two contact points spaced from each other; and the second electrical connection part is connected to an external power supply through cooperation with the two contact points.

[0012] Further, the first electrical connection part is mounted at a bottom of the mounting cavity, and comprises two circular contact surfaces which are arranged from inside to outside and spaced from each other, and the second electrical connection part is connected to an external power supply through cooperation with the two circular contact surfaces.

[0013] Further, the light source module comprises a housing, a heat sink, an LED substrate, an LED light source and a light transmitting element; the housing is detachably arranged on the base and has a receiving cavity penetrating through upper and lower surfaces of the housing; the heat sink is arranged on the housing and covers an opening in an upper end of the receiving cavity, and the second electrical connection part is arranged on the heat sink and stretches upwards out of an upper surface of the heat sink; the LED substrate is arranged in the receiving cavity and is attached and fixed to a lower surface of the heat sink, and the second electrical connection element is conductively connected to the LED substrate; the LED light source is arranged on the LED substrate and electrically connected to the LED substrate; and the light transmitting element is arranged in the receiving cavity and covers an opening in a lower end of the receiving cavity.

[0014] Further, the housing is made from plastic, the heat sink is made from metal, and correspondingly, the light source module further comprises an insulating element and a PCB; and the second electrical connection part is mounted on the heat sink through the PCB, and the insulating element is arranged between the second electrical connection part and the heat sink.

[0015] Further, the light source module further comprises a switch electrically connected to the LED substrate, and correspondingly, multiple LED light sources are arranged and all electrically connected to the LED substrate.

[0016] Further, the light source module comprises a housing, an LED substrate, an LED light source, a light transmitting element, an insulating element and a PCB; the housing is detachably arranged on the base and has a receiving cavity penetrating through upper and lower surface of the housing, and the housing is made from metal; the second electrical connection part is arranged on the housing and extends upwards out of an upper surface of the housing; the LED substrate is arranged in the receiving cavity and is attached and fixed to a bottom surface of the receiving cavity, and the second electrical connection part is conductively connected to the LED substrate through the PCB; the LED light source is arranged on the LED substrate and electrically connected to the LED substrate; the light transmitting element is arranged in the receiving cavity and covers an opening in a lower end of the receiving cavity; and the insulating element is arranged between the second electrical connection part and the housing.

[0017] The invention has the following beneficial effects: the light source module is detachably arranged on the base and located in the mounting cavity, and the surface cover is detachably mounted on the light source module and covers the opening in the lower end of the mounting cavity, such that modular design of the LED lamp is realized, making the lamp easy to maintain; and when the LED light source is damaged, users just need to detach the LED light source and replace it with a new one, and does not need to discard the whole lamp, thus greatly reducing use costs for users, avoiding material waste, and also avoiding environmental destruction caused by material waste. BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS

[0018] FIG. 1 is a sectional view of a first preferred embodiment of the invention.

[0019] FIG. 2 is an exploded view of the first preferred embodiment of the invention.

[0020] FIG. 3 is an exploded view of the first preferred embodiment of the invention, from another perspective.

[0021] FIG. 4 is an exploded view of a base in the first preferred embodiment of the invention.

[0022] FIG. 5 is a view of the bottom surface of the base in the first preferred embodiment of the invention.

[0023] FIG. 6 is a three-dimensional structural view of a light source module in the first preferred embodiment of the invention.

[0024] FIG. 7 is a sectional view of the light source module in the first preferred embodiment of the invention.

[0025] FIG. 8 is a view of the bottom surface of the base in a second preferred embodiment of the invention.

[0026] FIG. 9 is a sectional view of the light source module in a third preferred embodiment of the invention.

[0027] Reference signs: 10, base; 101, mounting cavity; 102, first assembly groove; 11, first electrical connection part; 111, contact point; 112, circular contact surface; 12, stand; 13, fixing lug; 14, power line; 15, top cover; 16, fixing plate; 17, fixing part; 18, spring part; 20, light source module; 201, receiving cavity; 202, second connection part; 21, second electrical connection part; 22, first connection part; 23, housing; 24, heat sink; 25, LED substrate; 26, LED light source; 27, light transmitting element; 28, insulating element; 281, PCB; 29, switch; 30, surface cover; 301, second assembly groove; 40, ceiling. DETAILED DESCRIPTION OF THE INVENTION

[0028] The technical solution of the invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the embodiments in the following description are merely preferred ones, and are not all possible ones of the invention. All other embodiments obtained by those ordinarily skilled in the art without creative labor should fall within the protection scope of the invention.

[0029] In the description of the invention, it should be noted that the terms such as “center”, “upper”, “lower”, “left”, “right”, “vertical”, “horizontal”, “inner” and “outer” are used to indicate directional or positional relations based on the accompanying drawings merely for the purpose of describing and simplifying the description of the invention, do not indicate or imply that a device or an element referred to must be in a specific direction, or be configured and operated in a specific direction, and thus should not be constructed as limitations of the invention. In addition, terms such as “first”, “second” and “third” are merely for the purpose of description, and should not be construed as indicating or implying relative importance.

[0030] In the description of the invention, it should be noted that, unless otherwise expressly stated and defined, terms such as “mount”, “link” and “connect” should be broadly understood. For example, “connect” may refer to fixed connection, detachable connection, or integrated connection; or, mechanical connection or electrical connection; or, direct connection, indirect connection through an intermediate medium, or internal communication of two elements. Those skilled in the art can understand the specific meanings of these terms in the invention as the case may be.

[0031] Referring to FIG. 1-FIG. 7 which illustrate the specific structure of a modular lamp in a first preferred embodiment of the invention, the modular lamp comprises a base 10, a light source module 20 and a surface cover 30.

[0032] The base 10 is fixedly mounted outside and has a mounting cavity 101 with a lower end formed with an opening, and a first electrical connection part 11 is arranged on an inner wall of the mounting cavity 101; in this embodiment, the base 10 comprises a stand 12, fixing lugs 13, a power line 14 and a top cover 15; the mounting cavity 101 is integrally formed on a lower surface of the stand 12, a circular fixing plate 16 integrally extends out from a periphery of a lower end of the stand 12, and two fixing parts 17 are arranged at an upper end of the stand 12; the number of the fixing lugs 13 is two, each fixing lug 13 has a spring part 18, is matchingly mounted on the corresponding fixing part 17 through the spring part 18 and is able to turn upward and downward, and the fixing lugs 13 are able to turn towards the fixing plate 16 under the action of the spring parts 18; when the modular lamp is installed, an upper surface of the circular fixing plate 16 is attached to a lower surface of a ceiling 40, and outer ends of the fixing lugs 13 clamp an upper surface of the ceiling 40 under the action of the spring parts 18; the power line 14 is arranged on the stand 12 and conductively connected to the first electrical connection part 11; the top cover 15 is arranged on the stand 12 and covers a joint of the power line 14 and the stand 12, such that the safety is better; the stand 12 of the base 10 and the fixing lugs 13 are all made from high-temperature fireproof materials with a melting temperature over 1000 °C, such that the lamp installed on the ceiling can be prevented from being burn through in case of a fire, and the fire is prevented from spreading into the ceiling; a first assembly groove 102 is formed in a bottom of the mounting cavity 101; and the first electrical connection part 11 is arranged at the bottom of the mounting cavity 101, wherein one or more first electrical connection parts 11 are arranged at equal angles, and each first electrical connection part 11 comprises two contact points 111 spaced from each other.

[0033] The light source module 20 is detachably arranged on the base 10 and located in the mounting cavity 101, a second electrical connection part 21 matched with the first electrical connection part 11 is arranged on the light source module 20, and the light source module 20 is connected to an external power supply through cooperation of the second electrical connection part 21 and the first electrical connection part 11; in this embodiment, a first connection part 22 matched with the first assembly groove 102 is arranged on the light source module 20, and the light source module 20 is detachably mounted on the base 10 through cooperation of the first connection part 22 and the first assembly groove 102; the second electrical connection part 21 is connected to the external power supply through cooperation with the two contact points 111; the light source module 20 comprises a housing 23, a heat sink 24, an LED substrate 25, an LED light source 26 and a light transmitting element 27; the housing 23 is detachably arranged on the base 10 and has a receiving cavity 201 penetrating through upper and lower surfaces of the housing 23; the heat sink 24 is arranged on the housing 23 and covers an opening in an upper end of the receiving cavity 201, the second electrical connection part 21 is arranged on the heat sink 24 and stretches upwards out of an upper surface of the heat sink 24, and the heat sink 24 is used for quickly dissipating heat generated when the light source module 20 operates, such that heat is prevented from being accumulated to guarantee the service life of the light source module 20; the LED substrate 25 is arranged in the receiving cavity 201 and is attached and fixed to a lower surface of the heat sink 24, such that the heat dissipation efficiency is effectively improved; the second electrical connection part 21 is conductively connected to the LED substrate 25; the LED light source 26 is arranged on the LED substrate 25 and electrically connected to the LED substrate 25; and the light transmitting element 27 is arranged in the receiving cavity 201 and covers an opening in a lower end of the receiving cavity 201.

[0034] The housing 23 is made from plastic, the heat sink 24 is made from metal to guarantee the heat dissipation efficiency, and correspondingly, the light source module 20 further comprises an insulating element 28 and a PCB 281; the second electrical connection part 21 is mounted on the heat sink 24 through the PCB 281, and the insulating element 28 is arranged between the second electrical connection part 21 and the heat sink 24 to fulfill an insulating effect to prevent current from being transmitted from the second electrical connection part 21 to the heat sink 24; the light source module 20 further comprises a switch 29 electrically connected to the LED substrate 25, and correspondingly, multiple LED light sources 26 are arranged and all electrically connected to the LED substrate 25, such that different LED light sources 26 can be controlled to operate through the switch 29 to realize different light effects, thus improving the usage experience of users; and a second connection part 202 is arranged on a side wall of the light source module 20.

[0035] The surface cover 30 is detachably mounted on the light source module 20 and covers the opening in the lower end of the mounting cavity 101, such that when the light source module 20 is damaged, users just need to sequentially detach the surface cover 30 and the light source module 20 and then replace the damaged light source module 20 with a new one, and do not need to discard the whole lamp, thus reducing use costs for users; and in this embodiment, a second assembly groove 301 matched with the second connection part 202 is formed in the surface cover 30, and the surface cover 30 is detachably arranged on the light source module 20 through cooperation of the second assembly groove 301 and the second connection part 202.

[0036] Referring to FIG. 8 which illustrates the specific structure of the modular lamp in a second preferred embodiment of the invention. The modular lamp in this embodiment is basically identical in structure with the modular lamp in the first preferred embodiment, and differs from the modular lamp in the first preferred embodiment in the following aspects:

[0037] In this embodiment, the first electrical connection part 11 is arranged at the bottom of the mounting cavity 101, and comprises two circular contact surfaces 112 which are arranged from inside to outside and spaced from each other; and the second electrical connection part 21 is connected to the external power supply through cooperation with the two circular contact surfaces 112.

[0038] Referring to FIG. 9 which illustrates the specific structure of the modular lamp in a third preferred embodiment of the invention. The modular lamp in this embodiment is basically identical in structure with the modular lamp in the first preferred embodiment, and differs from the modular lamp in the first preferred embodiment in the following aspects:

[0039] The light source module 20 comprises a housing 23, an LED substrate 25, an LED light source 26, a light transmitting element 27, an insulating element 28 and a PCB 281; the housing 23 is detachably arranged on the base 10 and has a receiving cavity 201 penetrating through upper and lower surface of the housing 23, and the housing 23 is made from metal, such that heat generated when the light source module 20 operates can be directly dissipated through the housing 23, and an extra heat dissipation element is not needed; the second electrical connection part 21 is arranged on the housing 23 and extends upwards out of an upper surface of the housing 23; the LED substrate 25 is arranged in the receiving cavity 201 and is attached and fixed to a bottom surface of the receiving cavity 201, and the second electrical connection part 21 is conductively connected to the LED substrate 25 through the PCB 281; the LED light source 26 is arranged on the LED substrate 25 and electrically connected to the LED substrate 25; the light transmitting element 27 is arranged in the receiving cavity 201 and covers an opening in a lower end of the receiving cavity 201; and the insulating element 28 is arranged between the second electrical connection part 21 and the housing 23.

[0040] The key design of the invention lies in that the light source module is detachably arranged on the base and located in the mounting cavity, and the surface cover is detachably mounted on the light source module and covers the opening in the lower end of the mounting cavity, such that modular design of the LED lamp is realized, making the lamp easy to maintain; and when the LED light source is damaged, users just need to detach the LED light source and replace it with a new one, and does not need to discard the whole lamp, thus greatly reducing use costs for users, avoiding material waste, and also avoiding environmental destruction caused by material waste.

[0041] The above embodiments are merely preferred ones used for describing the invention, and are not intended to limit the scope of the invention. Various modifications and improvements of the technical solution of the invention made by those ordinarily skilled in the art without departing from the spirit of the invention should also fall within the protection scope defined by the claims of the invention.

Claims

1. A modular lamp, comprising a base, a light source module and a surface cover, the base being fixedly mounted outside and having a mounting cavity with a lower end formed with an opening, and a first electrical connection part being arranged on an inner wall of the mounting cavity, wherein the light source module is detachably arranged on the base and located in the mounting cavity, and a second electrical connection part matched with the first electrical connection part is arranged on the light source module; and the surface cover is detachably mounted on the light source module and covers the opening in the lower end of the mounting cavity.

2. The modular lamp according to Claim 1, wherein the base comprises a stand, fixing lugs, a power line and a top cover; the mounting cavity is integrally formed on a lower surface of the stand, a circular fixing plate extends out from a periphery of a lower end of the stand, and two fixing parts are arranged at an upper end of the stand; the number of the fixing lugs is two, each said fixing lug has a spring part, is matchingly mounted on the corresponding fixing part through the spring part, and is able to turn upward and downward, and the fixing lugs are able to turn towards the fixing plate under the action of the spring parts; the power line is arranged on the stand and conductively connected to the first electrical connection part; and the top cover is arranged on the stand and covers a joint of the power line and the stand.

3. The modular lamp according to Claim 1, wherein the stand of the base and the fixing lugs are made from high-temperature fireproof materials with a melting temperature over 1000 °C.

4. The modular lamp according to Claim 1, wherein a first assembly groove is formed in a bottom of the mounting cavity, a first connection part matched with the assembly groove is arranged on the light source module, and the light source module is detachably mounted on the base through cooperation of the first connection part and the firstassembly groove.

5. The modular lamp according to Claim 1, wherein one or more said first electrical connection parts are arranged at a bottom of the mounting cavity at equal angles, and each of the electrical connection parts comprises two contact points spaced from each other; and the second electrical connection part is connected to an external power supply through cooperation with the two contact points.

6. The modular lamp according to Claim 1, wherein the first electrical connection part is mounted at a bottom of the mounting cavity, and comprises two circular contact surfaces which are arranged from inside to outside and spaced from each other, and the second electrical connection part is connected to an external power supply through cooperation with the two circular contact surfaces.

7. The modular lamp according to Claim 1, wherein the light source module comprises a housing, a heat sink, an LED substrate, an LED light source and a light transmitting element; the housing is detachably arranged on the base and has a receiving cavity penetrating through upper and lower surfaces of the housing; the heat sink is arranged on the housing and covers an opening in an upper end of the receiving cavity, and the second electrical connection part is arranged on the heat sink and stretches upwards out of an upper surface of the heat sink; the LED substrate is arranged in the receiving cavity and is attached and fixed to a lower surface of the heat sink, and the second electrical connection element is conductively connected to the LED substrate; the LED light source is arranged on the LED substrate and electrically connected to the LED substrate; and the light transmitting element is arranged in the receiving cavity and covers an opening in a lower end of the receiving cavity.

8. The modular lamp according to Claim 7, wherein the housing is made from plastic, the heat sink is made from metal, and correspondingly, the light source module further comprises an insulating element and a PCB; and the second electrical connection part ismounted on the heat sink through the PCB, and the insulating element is arranged between the second electrical connection part and the heat sink.

9. The modular lamp according to Claim 7, wherein the light source module further comprises a switch electrically connected to the LED substrate, and correspondingly, multiple said LED light sources are arranged and all electrically connected to the LED substrate.

10. The modular lamp according to Claim 1, wherein the light source module comprises a housing, an LED substrate, an LED light source, a light transmitting element, an insulating element and a PCB; the housing is detachably arranged on the base and has a receiving cavity penetrating through upper and lower surface of the housing, and the housing is made from metal; the second electrical connection part is arranged on the housing and extends upwards out of an upper surface of the housing; the LED substrate is arranged in the receiving cavity and is attached and fixed to a bottom surface of the receiving cavity, and the second electrical connection part is conductively connected to the LED substrate through the PCB; the LED light source is arranged on the LED substrate and electrically connected to the LED substrate; the light transmitting element is arranged in the receiving cavity and covers an opening in a lower end of the receiving cavity; and the insulating element is arranged between the second electrical connection part and the housing.15

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