WO2021103686A1

WO2021103686A1 - Lamp head and street lamp using same

Info

Publication number: WO2021103686A1
Application number: PCT/CN2020/111110
Authority: WO
Inventors: 畅育科
Original assignee: 珠海金晟照明科技有限公司
Priority date: 2019-11-29
Filing date: 2020-08-25
Publication date: 2021-06-03
Also published as: CN211176538U

Abstract

Provided in the present utility model are a lamp head and a street lamp using same. The lamp head comprises a first light-emitting assembly, a first lampshade, a power supply module, a lamp base and a heat dissipation cover, wherein the heat dissipation cover is installed above the first lampshade, the lamp head further comprises a second lampshade, and the second lampshade is located above the heat dissipation cover. According to the present utility model, the first lampshade and the second lampshade are respectively arranged on the lower side and the upper side of the heat dissipation cover, such that a street lamp head form of a special structure is formed, structural forms of the street lamp head are enriched, more choices are provided for consumers, and at the same time, the light transmitting area of the lamp head can be increased.

Description

Lamp holder and street lamp using the lamp holder

【Technical Field】

The invention relates to outdoor lighting technology, in particular to a lamp cap and a street lamp using the lamp cap.

【Background technique】

As a luminous lighting system on roads, streets and public squares, street lights play a considerable role in facilitating people's lives, beautifying the city, promoting rapid economic development, and improving the investment environment.

At present, common street lamps include lamp poles and one or more street lamp lamp caps installed on the lamp poles, and street lamp lamp caps generally include light-emitting components, lamp shades, and power components (also called power drivers or power adapters, often referred to as power supplies in the industry). ), lamp holder, lamp cover, reflective parts, electrical compartment (used to install power supply components, single-lamp controller, etc., can be set separately or part of reflective parts) and so on. For example, the application number is 201810141395.5, the name is a lamp holder and the street lamp using the lamp holder. Continuous innovation is the historical mission given to the enterprise as the subject of innovation in this era, and it is also the source of the enterprise's continuous development and eternal vitality. This application will provide a new type of street lamp lamp holder and a street lamp using the lamp holder.

[Summary of the invention]

The purpose of the present invention is to provide a new type of lamp cap.

A lamp cap includes a first light-emitting assembly, a first lampshade, a power supply assembly, a lamp holder, and a heat dissipation cover; the heat dissipation cover is installed above the first lampshade; the lamp cap further includes a second lampshade, the second The lampshade is located above the heat dissipation cover.

In particular, the lamp cap further includes a second light-emitting component, and the second lampshade is provided on the second light-emitting component.

In particular, the second light-emitting assembly is installed in the space formed by the heat dissipation cover and the second lampshade.

In particular, the second light-emitting assembly is installed in the central area of the heat dissipation cover.

In particular, the central area of the heat dissipation cover is a disc-shaped plane.

In particular, the central area of the heat dissipation cover is a circular island plane, and the central area and the main body of the heat dissipation cover are connected by ribs.

In particular, the space enclosed by the first lampshade and the second lampshade are connected.

In particular, the first light-emitting assembly is installed in the space formed by the heat dissipation cover and the first lampshade.

In particular, the first light-emitting assembly is installed on the lower side of the heat dissipation cover.

In particular, the second lampshade, the heat dissipation cover, the first lampshade, and the lamp holder are sequentially installed and connected from top to bottom.

Particularly, the second lampshade, the heat dissipation cover, the first lampshade, and the lamp holder are connected and fixed by connecting rods from top to bottom.

In particular, a top cap is also provided above the second lampshade for connecting the connecting rod.

In particular, the heat dissipation cover, the first lampshade, and the lamp holder are connected and fixed from top to bottom by a connecting rod; the second lampshade is connected to the heat dissipation cover by threads.

In particular, the connecting rod and the lamp holder are connected in a threaded hole provided on the lamp holder, or a threaded hole installed on the connecting plate of the lamp holder, or a separate nut, to connect with the thread on the connecting rod.

In particular, the lamp cap further includes a reflective component, and the reflective component is arranged in the first lampshade.

In particular, the reflective part is sleeved outside the connecting rod.

In particular, the second lampshade, the heat dissipation cover, the first light-emitting assembly, the first lampshade, and the reflective component form an integrally detachable light source module.

In particular, the lamp holder further includes a second light-emitting component, and the second light-emitting component is installed in the space formed by the heat dissipation cover and the second lampshade.

In particular, the second lampshade, the heat dissipation cover, the first lampshade, and the reflective component are connected and fixed by a connecting rod.

In particular, the heat dissipation cover, the first lampshade, and the reflective part are connected and fixed by a connecting rod; the second lampshade is connected to the heat dissipation cover by threads.

In particular, the connecting rod and the reflective component are connected in a threaded hole provided on the reflective component, or a threaded hole on the connecting plate installed on the reflective component, or a separate nut, to connect with the thread on the connecting rod.

In particular, the reflective component includes an electrical appliance compartment, the appliance compartment includes an appliance compartment main body and an appliance compartment cover made of non-metallic material, the appliance compartment cover is arranged on the appliance compartment main body, and the appliance compartment cover is formed The space is communicated with the space formed by the main body of the electrical appliance warehouse.

In particular, the lamp holder further includes an electrical appliance compartment, the appliance compartment comprising an appliance compartment main body and an appliance compartment cover made of non-metallic material, the appliance compartment cover is arranged on the appliance compartment main body, and the appliance compartment cover is formed The space is communicated with the space formed by the main body of the electrical appliance warehouse.

In particular, the second lampshade, the heat dissipation cover, the first lampshade, and the electrical appliance compartment are connected by a connecting rod.

In particular, the heat dissipation cover, the first lampshade, and the electrical appliance compartment are connected and fixed by a connecting rod; the second lampshade is connected to the heat dissipation cover by threads.

In particular, the electric appliance compartment cover is detachably connected with the electric appliance compartment main body.

Particularly, the connecting rod and the electrical appliance warehouse are connected in a threaded hole provided on the electrical appliance warehouse, or a threaded hole installed on a connecting plate on the electrical appliance warehouse, or a separate nut to connect with the thread on the connecting rod.

In particular, the area enclosed by the projection of the largest outer contour of the second lampshade on a plane perpendicular to the axis of the lamp holder is smaller than that enclosed by the projection of the largest outer contour of the heat dissipation cover on a plane perpendicular to the axis of the lamp holder Area; the area enclosed by the projection of the largest outer contour of the heat dissipation cover on a plane perpendicular to the axis of the lamp holder is less than or equal to the area enclosed by the projection of the largest outer contour of the first lampshade on a plane perpendicular to the axis of the lamp holder area.

In particular, the area enclosed by the projection of the largest outer contour of the second lampshade on a plane perpendicular to the axis of the lamp holder is smaller than that enclosed by the projection of the largest outer contour of the heat dissipation cover 130 on a plane perpendicular to the axis of the lamp holder The area is 1/2.

In particular, the first lampshade as a whole is in the shape of a "can" with openings at both upper and lower ends; the second lampshade as a whole is a revolving body with two openings formed by the bus bar revolving in an S-shaped curve; in the second After the lampshade and the top hat are combined, the whole is in the shape of a gourd with an open bottom.

In particular, the heat dissipation cover is restricted by a first restricting nut located on the connecting rod.

Another object of the present invention is to provide a street lamp using the aforementioned lamp cap.

A street lamp includes a lamp pole and at least one lamp cap directly or indirectly mounted on the lamp pole, and the lamp cap is any one of the above-mentioned lamp caps.

It can be seen from the above solution that the present invention forms a street lamp lamp cap with a specific structure by arranging the first lampshade and the second lampshade on the upper and lower sides of the heat dissipation cover, which enriches the structure of the street lamp lamp cap and provides consumers with more choices. . At the same time, the light transmission area of the lamp holder can be increased. In addition, since the second light-emitting assembly is arranged in the second lampshade, it is beneficial to improve the brightness of the lamp cap. In addition, the second light-emitting assembly is installed in the central area of the heat dissipation cover in the shape of an island, which cleverly provides the second light-emitting assembly with a heat dissipation function while retaining the communication state of the first lampshade and the second lampshade. Increase the heat dissipation area. Furthermore, the electrical appliance compartment is set to include an appliance compartment main body and an appliance compartment cover made of non-metallic material, the appliance compartment cover is arranged on the appliance compartment main body, and the space formed by the appliance compartment cover is in contact with the The spaces formed by the main body of the electrical appliance warehouse are connected, and electromagnetic waves can be transmitted to the outside through the appliance warehouse cover, effectively reducing the negative influence of the electric appliance warehouse on the shielding and mitigation of electromagnetic waves, and improving the transmission quality of electromagnetic waves.

【Explanation of the drawings】

Fig. 1 is a schematic diagram of the structure of the lamp cap according to the first embodiment;

Figure 2 is a cross-sectional view of the lamp cap passing through the axis of the first embodiment;

Fig. 3 is an exploded view of the lamp cap according to the first embodiment;

4 is a schematic diagram of the heat dissipation cover according to the first embodiment;

Fig. 5 is a partial enlarged view of the area A of the lamp cap according to the first embodiment.

【Detailed ways】

In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, and it should not be understood that the drawings and embodiments are limitations to the present invention. For those of ordinary skill in the art, without creative work, obtaining other implementation manners based on the drawings and embodiments should belong to the technical solutions disclosed in the present invention.

Example one

As shown in Figures 1, 2, 3, 4, and 5, a street lamp lamp holder 100 includes a lamp holder 110, a first lamp shade 120, a heat dissipation cover 130, a first light-emitting component 140, a second lamp shade 150, and a second light-emitting component 160, The connecting rod 170, the reflective member 180, and the power source 190. The overall contour of the heat dissipation cover 130 is a spherical crown, a circular hole is provided in the center of the disc-shaped thin plate, and a plurality of heat dissipation sheets from high to low are arranged staggered in the radial direction on the upper side of other areas of the thin plate; A central area 131 shaped like an island is provided in the circular hole; the central area 131 and the main body of the heat dissipation cover 130 are connected by ribs; that is, there is a hollow area 132 between the central area 131 and the main body of the heat dissipation cover 130 , So that the internal space formed by the first lampshade 120 and the second lampshade 150 is in a connected state. The first light-emitting assembly 140 is installed on the lower side of the heat dissipation cover 130 and is located in the space formed by the heat dissipation cover 130 and the first lampshade 120; the second light-emitting assembly 160 is installed on the heat dissipation cover The central area 131 of the 130; located in the space formed by the heat dissipation cover 130 and the second lampshade 150. Of course, a hollow area may not be provided between the central area 131 and the main body of the heat dissipation cover 130. For ease of description, in the present invention, the direction in which the lamp holder 110 is located is defined as down, and the direction in which the second lampshade 150 is located is defined as up.

The second lampshade 150, the heat dissipation cover 130, the first lampshade 120 and the lamp holder 110 are fitted together from top to bottom, and the reflective component 180 is located in the first lampshade 120. The second lampshade 150, the heat dissipation cover 130, the first lampshade 120, and the reflective member 180 are connected and fixed by a connecting rod 170; the lower end of the reflective member 180 is connected and fixed with the lamp holder 110 to form the The lamp holder is 100. When the second lampshade 150, the heat dissipation cover 130, the first lampshade 120, and the reflective member 180 are connected and fixed by the connecting rod 170, the heat dissipation cover 130 is limited by the first position on the connecting rod 170 The nut 171 (shown in Fig. 5) is limited (by the first limiting nut 171 abutting the central area 131), which can make the structure of the entire street lamp lamp holder 100 more stable; at the same time, even when the second lamp cover 150 is damaged, It can still ensure the stability of the overall structure of the lamp head of the street lamp. When the reflective member 180 is installed in the first lampshade 120, the upper end of the reflective member 180 abuts against the central area 131 of the heat dissipation cover or the first light-emitting assembly, or passes through the first light-emitting assembly provided on the connecting rod 170. Two nuts limit 172. The second lampshade 150 is threadedly connected to the connecting rod 170 through a top cap 151 located at or above the top cap 151. In this embodiment, the top cap 151 can be separated from the second lampshade 150. The lower part and the second lampshade 150 are in a groove shape (a U-shaped cross-section is inverted, referred to as the first groove hereinafter), and the upper end of the second lampshade 150 is inserted into the first groove; The top cap 151 can also be integrated with the second lampshade 150. The lower end of the second lampshade 150 is inserted into the annular U-shaped groove (second groove) on the upper side of the heat dissipation cover 130, and a U-shaped sealing ring is provided in the groove; in particular, in order to facilitate the second groove The groove drains water, and at least one notch is provided on the side of the second groove away from the axis of the heat dissipation cover. An inverted U-shaped groove (third groove) is provided near the outer periphery of the lower side of the heat dissipation cover, and a U-shaped sealing ring is provided in the groove; the heat dissipation cover 130 is matched with the first lampshade 120 During installation, the upper end of the first lampshade 130 is inserted into the third groove. The lower end of the first lampshade 120 is inserted into an annular U-shaped groove (fourth groove) on the outer edge of the lower end of the reflective member 180, and a U-shaped sealing ring is provided in the groove. Moreover, the area enclosed by the projection of the maximum outer contour of the second lampshade 150 in the direction of the axis of the lamp cap on the heat dissipation cover is smaller than the area enclosed by the maximum outer contour of the heat dissipation cover 130 (preferably smaller than the heat dissipation The area enclosed by the largest outer contour of the cover 130 is 1/2); the area enclosed by the projection of the largest outer contour of the heat dissipation cover 130 on the first lampshade 120 along the axis of the lamp cap is less than or equal to the first The area enclosed by the largest outer contour of the lampshade 120; that is, the area enclosed by the projection of the largest outer contour of the second lampshade 150 on a plane perpendicular to the axis of the lamp holder is smaller than that of the heat dissipation cover 130 when the largest outer contour is perpendicular to The area enclosed by the projection on the axis plane of the lamp holder (preferably smaller than 1/2 of the area enclosed by the projection of the largest outer contour of the heat dissipation cover 130 on the plane perpendicular to the axis of the lamp holder); the heat dissipation cover 130 The area enclosed by the projection of the largest outer contour on the plane perpendicular to the axis of the lamp cap is less than or equal to the area enclosed by the projection of the largest outer contour of the first lampshade 120 on the plane perpendicular to the axis of the lamp cap.

In this embodiment, the first lampshade 120 is in the shape of a "can" as a whole, and both upper and lower ends are provided with circular openings, and the opening diameter at the upper end is larger than the opening diameter at the lower end; the second lampshade 150 as a whole is roughly formed by the bus bar. The S-shaped curve revolves to form a revolving body with open ends; after the second lampshade 150 is combined with the top cap 151, the whole is roughly in the shape of a gourd with an open bottom. The above-mentioned forms of the first lampshade and the second lampshade form a specific shape of the lamp cap, which makes the characteristics of the lamp cap stand out.

The reflective component 180 includes a first reflective component 181 and a second reflective component 182. The first reflective component 181 and the second reflective component 182 are detachably connected; the first reflective component 181 is in the shape of a hollow truncated cone or a horn The second reflective member 182 is correspondingly in the shape of a hollow frustum or a horn. In this embodiment, the two are correspondingly in the shape of a horn. The first reflective component 181 and the second reflective component 182 are smoothly transitioned and connected, so that the entire reflective component 180 is horn-shaped. The outer surface of the reflective component 180 is a reflective surface.

In this embodiment, the second reflective member 182 can also be called an electrical appliance compartment, including the appliance compartment main body 1822 and non-metallic materials (the non-metallic materials in the present invention mainly refer to all substances that have no shielding or reduction effect on electromagnetic waves. , Not limited to the generally said non-metallic material) electric appliance compartment cover 1821, the appliance compartment cover 1821 is disposed on the electric appliance compartment main body 1822, the space formed by the appliance compartment cover 1821 (the appliance compartment cover The space enclosed by 1821 and the electrical appliance warehouse main body 1822 is connected to the space formed by the electrical appliance warehouse main body 1822. The electrical appliance compartment 182 is in the shape of a horn or a hollow truncated cone as a whole; when in use, the appliance compartment is a semi-closed cavity with an opening facing downward. The electrical appliance compartment cover 1821 and the electrical appliance compartment main body 1822 are detachably connected, and the electrical appliance compartment cover 1821 and the electrical appliance compartment main body 1822 are connected in a smooth transition. A convex ring is provided on the inner side of the lower end of the circumferential wall surface of the electrical appliance compartment cover 1821, and an annular groove is provided on the upper end of the circumferential wall surface of the electrical appliance compartment main body 1822; the convex ring is matched with the second annular groove . The connection between the electrical appliance compartment cover 1821 and the electrical appliance compartment main body 1822 is also provided with a U-shaped annular seal ring; the sides of the U-shaped seal ring have different heights and are away from the seal ring axis. The height is low, similar to a J-shaped or hook-shaped annular seal ring in cross section.

The electrical appliance compartment cover 1821 is shaped like a trumpet or a section of a hollow frustum; the top end of the appliance compartment cover 1821 forms a substantially closed top plane, on which the top surface extends along the axial direction of the appliance compartment cover 1821 A ring boss is formed. A waterproof and breathable valve installation hole, a cable hole and a through hole are provided on the top plane located inside the annular boss. The wire-passing hole cooperates with a waterproof screw (not shown) to allow the wire to pass through and is waterproof. The waterproof and breathable valve installation hole is used to install a waterproof and breathable valve (not shown). The through hole is used to allow the connecting rod installed and connected between the top cap 151 and the electrical appliance compartment main body 1822 to pass through when the electrical appliance compartment 182 is used in the lamp holder (as shown in FIG. 2); the through hole can also The electric compartment cover 1821 is fixed by the internal thread and the external thread on the connecting rod or the compression nut and the connecting rod.

The overall shape of the electrical appliance compartment main body 1822 is also a section of a trumpet shape or a hollow frustum; a second installation and connection mechanism is provided at the end of the electrical appliance compartment main body 1822 away from the electric appliance compartment cover 1821, and the second installation connection mechanism is used for于连接灯座110。 To connect the lamp holder 110. In this embodiment, the second installation and connection mechanism is an edge portion extending away from the outer peripheral surface of the electrical appliance compartment main body 1822 on the outer peripheral surface of the electrical appliance compartment main body 1822 (if the electrical appliance compartment main body 1822 Seen as a hat, the rim is like a brim). On the outermost wall of the rim, there are four radially protruding bosses 1826, all of which are used for the electrical compartment 182 and the lamp holder 110. The sliding guide and engagement during the combination; the edge portion is provided with an annular U-shaped groove (fourth groove), and a U-shaped sealing ring is provided in the groove; the lower end of the first lampshade 120 is inserted into the The fourth groove. In particular, an arc-shaped convex rib 1825 is provided at the lowermost level surface of the rim portion close to the outermost periphery of the rim portion and substantially perpendicular to the level surface of the rim portion, and a screw is provided on the arc-shaped convex rib hole.

A plurality of mounting post holes (not shown) are also provided on the inner wall of the electrical appliance compartment main body 1822, and the mounting post holes are used to install a single lamp controller through the power supply mounting plate when the electrical appliance compartment 182 is used in the lamp holder 100 , To facilitate the control and management of the lamp holder.

The end of the electrical appliance compartment main body 1822 close to the electrical appliance compartment cover 1821 is hollow; the end of the electrical appliance compartment main body 1822 close to the electrical appliance compartment cover 1821 is provided with a connecting hole 1823 protruding from the upper end surface of the electrical appliance compartment main body 1822 The connecting hole 1823 extends axially along the electrical appliance compartment main body 1822 and is connected to the electrical appliance compartment main body 1822 by connecting ribs 1824, and the connecting ribs 1824 present the aforementioned hollow shape; in the electrical appliance compartment When the cover 1821 and the electrical appliance compartment main body 1822 are connected together, they extend into the electrical appliance compartment cover 1821. Of course, the connecting hole 1823 can also be arranged at a position of the electrical appliance compartment main body 1822 close to the upper end surface of the electrical appliance compartment main body 1822. When the connecting rod 170 is connected to the reflective member 180, the external thread of the connecting rod 170 is threadedly engaged with the connecting hole 1823; of course, the external thread of the connecting rod 170 may also be installed in the connecting hole. The threaded hole on the connecting plate on the main body 1822 of the electrical appliance compartment is threaded, or a nut is separately added to the threaded connection on the connecting rod, and abuts against the lower end surface of the connecting hole 1823.

In this embodiment, the second lampshade 150 (including the top cap 151), the second light-emitting assembly 160, the heat dissipation cover 130, the first light-emitting assembly 140, the first lampshade 150, and the reflective component 180 form an integrally detachable The light source module; the light source module relies on the bottom end of the reflective component 180 and the lamp holder 110 to be detachably connected by a buckle. In the space formed by the reflective component 180 (electrical compartment 182) and the lamp holder 110, the power supply 190 is installed in the lamp holder 110 through a power supply mounting plate; of course, the power supply 190 can also be installed through a power supply The board is installed in the electrical appliance compartment 182.

In this embodiment, the lamp holder 110 is roughly in the shape of an inverted trumpet, and the lamp holder 110 is provided with four sliding grooves 111 with one end closed circumferentially extending along the inner side of the wall of the lamp holder. In the reflective component, the boss 1826 on the electrical appliance compartment 182 corresponds to the sliding groove 111; when the light source module and the lamp holder 110 are assembled, the boss 1826 is first brought close to the The chute 111, and then rotate the light source module to make it fit with the chute 111. After the boss 1826 and the chute 111 are correspondingly fitted and locked in place, the light source module and the lamp can be completed The connection of the seat 110. However, in order to prevent the rotation between the light source module and the lamp holder 110, a fastening boss 113 with a screw hole 112 is also provided on the lamp holder 110, and the fastening boss 113 and the arc are connected by screws. The shaped rib 1825 is further tightened. The screw hole 112 and the sliding groove 111 are close to the opening of the lamp holder 110.

After the lamp holder is installed in place, when the power supply 110 is to be replaced and maintained, only the screws need to be removed, and the light source module can be rotated by a certain angle relative to the lamp holder 110, and the light source module can be The whole is disassembled from the lamp holder 110; after replacing the power source 190, the light source module is installed on the lamp holder 110, and the connection between the light source module and the lamp holder 110 is completed by screw fastening; the entire disassembly and maintenance work is simple and efficient.

The lamp holder 110 is also provided with a plurality of ventilation holes to discharge the hot air discharged from the cavity of the light source module through the waterproof ventilation valve, and at the same time, it is also convenient to control the single lamp controller through electromagnetic waves.

Example two

The difference between this embodiment and the first embodiment is that in this embodiment, the reflective component 180 and the electrical appliance compartment 182 are two independent components, and the reflective component is sleeved outside the electrical appliance compartment 182. The lower bottom edge of the reflective component abuts against the edge portion of the main body 1822 of the electrical appliance compartment.

Example three

The difference between this embodiment and the second embodiment is that, in this embodiment, the reflective member 180 does not exist. The connecting rod 170 is connected between the top cap 151 and the electrical compartment 182, and serves to connect and fix the second lamp cover 150, the heat dissipation cover 130, and the first lamp cover 120; the connecting rod 170 is connected The connecting hole 1823 on the main body 1822 of the electrical appliance compartment.

Example four

The difference between this embodiment and the first embodiment is that, in this embodiment, the second lampshade 150 (including the top cap 151), the heat dissipation cover 130, the first lampshade 120, the reflective member 180, and the lamp holder 110 are connected The rod 170 is connected and fixed; that is, the connecting rod 170 penetrates the second lamp cover 150, the heat dissipation cover 130, the first lamp cover 120, and the reflective member 180, and is connected to the top cap 151 and the lamp holder 110. Wherein, the connecting rod 170 is connected with the lamp holder 110 through a threaded hole provided on the lamp holder, or a threaded hole on the connecting plate installed on the lamp holder, or a separate nut, to connect with the thread on the connecting rod . In this case, the structure of the electrical appliance compartment main body 1822 (the second installation and connection mechanism, the connection hole 1823, that is, the connection rib 1824 is omitted) and the structure of the lamp holder 110 (the second installation and connection mechanism is omitted) The matched sliding groove 111, the fastening boss, etc.).

Example five

The difference between this embodiment and the first embodiment is that in this embodiment, there are no reflective parts, electrical compartments, connecting rods, and single lamp controllers. The second lampshade, the heat dissipation cover, the first lampshade, and the lamp holder are from top. The lower parts are all connected in sequence by threaded connection; the second lampshade and the top cap are integrally arranged.

Example Six

The difference between this embodiment and the first embodiment is that, in this embodiment, there is no second light-emitting assembly, the second lampshade is integrated with the top cap, and the second lampshade and the heat dissipation cover are connected by threads; The upper end of the connecting rod is connected to the heat dissipation cover or the first light-emitting assembly; the lower end of the connecting rod is connected to the electrical appliance compartment main body 1822. Further, as another embodiment, when the upper end of the connecting rod is connected to the first light-emitting assembly, the central area 131 may not be provided.

Example Seven

A street lamp includes a lamp pole and at least one lamp cap directly or indirectly mounted on the lamp pole, and the lamp cap is any one of the lamp caps described in the first to sixth embodiments.

It can be seen from the above solution that the present invention forms a street lamp lamp cap with a specific structure by arranging the first lampshade and the second lampshade on the upper and lower sides of the heat dissipation cover, which enriches the structure of the street lamp lamp cap and provides consumers with more choices. At the same time, the light transmission area of the lamp holder can be increased. In addition, since the second light-emitting assembly is arranged in the second lampshade, it is beneficial to improve the brightness of the lamp cap. In addition, the second light-emitting assembly is installed in the central area of the heat dissipation cover in the shape of an island, which cleverly provides the second light-emitting assembly with a heat dissipation function while retaining the communication state of the first lampshade and the second lampshade. Increase the heat dissipation area. In addition, the area enclosed by the projections of the largest outer contour of the second lampshade, the largest outer contour of the heat dissipation cover, and the largest outer contour of the first lampshade on the same plane perpendicular to the axis of the lamp cap is sequentially increased, Strengthen the structural form of the lamp holder of the street lamp. Furthermore, the electrical appliance compartment is set to include an appliance compartment main body and an appliance compartment cover made of non-metallic material, the appliance compartment cover is arranged on the appliance compartment main body, and the space formed by the appliance compartment cover is in contact with the The spaces formed by the main body of the electrical appliance warehouse are connected, and electromagnetic waves can be transmitted to the outside through the appliance warehouse cover, effectively reducing the negative influence of the electric appliance warehouse on the shielding and mitigation of electromagnetic waves, and improving the transmission quality of electromagnetic waves. At the same time, because the electrical appliance compartment of the present invention is set to a semi-closed cavity with the opening facing downward in the use state, the light source module (consisting of at least the top cover, the light-emitting module, the lamp shade and the appliance compartment) of the lamp holder of the appliance compartment forms a The complete enclosed space improves the waterproof performance of the light source module. In the space formed by the electrical appliance warehouse and the lamp holder, a single lamp controller is provided for intelligent management of lamps.

The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of protection of the present invention is not limited to the above-mentioned embodiments. All technical solutions under the idea of the present invention belong to those disclosed in the technical solutions of the present invention and are included in this invention. Within the scope of protection of the invention. In addition to the above-mentioned implementation forms, the present invention also has other variants such as: the second installation and connection mechanism can also be a simple installation and positioning mechanism or directly use the wall surface of the second component itself for positioning; or, through a connecting rod (connection The rod, the electric appliance compartment cover and the electric appliance compartment body are all directly or indirectly connected to the lamp holder through a threaded connection, that is, the connecting rod connects the electric appliance compartment and the lamp holder. Alternatively, the second reflective member 182 is pressed against the inner wall of the first lampshade by a mounting and positioning mechanism, and the lamp holder is fixed on the lampshade; or, other components involved in the embodiment are combined Or replace or delete the technical solution obtained.

It should be pointed out that for those of ordinary skill in the art, several improvements and modifications made without departing from the principle of the present invention should also be regarded as being included in the protection scope of the present invention.

Claims

A lamp cap includes a first light-emitting assembly, a first lampshade, a power supply assembly, a lamp holder, and a heat dissipation cover; the heat dissipation cover is installed above the first lampshade; the lamp cap further includes a second lampshade, The second lampshade is located above the heat dissipation cover.
The lamp cap according to claim 1, wherein the lamp cap further comprises a second light-emitting component, and the second lamp shade is provided on the second light-emitting component.
The lamp cap according to claim 2, wherein the second light-emitting assembly is installed in the space formed by the heat dissipation cover and the second lampshade.
The lamp cap according to claim 3, wherein the second light-emitting assembly is installed in the central area of the heat dissipation cover.
The lamp cap according to claim 4, wherein the central area of the heat dissipation cover is a disc-shaped plane.
4. The lamp cap according to claim 4, wherein the central area of the heat dissipation cover is a circular island plane, and the central area and the main body of the heat dissipation cover are connected by ribs.
The lamp cap according to claim 1, wherein the space enclosed by the first lampshade and the second lampshade are connected.
The lamp cap according to claim 1, wherein the first light-emitting assembly is installed in a space formed by the heat dissipation cover and the first lampshade.
8. The lamp cap according to claim 8, wherein the first light-emitting assembly is installed on the lower side of the heat dissipation cover.
The lamp cap according to claim 1, wherein the second lampshade, the heat dissipation cover, the first lampshade, and the lamp holder are installed and connected in sequence from top to bottom.
10. The lamp cap according to claim 10, wherein the second lampshade, the heat dissipation cover, the first lampshade, and the lamp holder are connected and fixed by connecting rods from top to bottom.
The lamp cap according to claim 11, wherein a top cap is further provided above the second lampshade for connecting the connecting rod.
The lamp cap according to claim 1, wherein the lower end of the second lampshade is inserted into the annular U-shaped groove on the upper side of the heat dissipation cover, and the groove is far away from the axis of the heat dissipation cover, and is provided with at least A gap.
The lamp cap according to claim 1, wherein the heat dissipation cover, the first lampshade, and the lamp holder are connected and fixed from top to bottom by a connecting rod; and the second lampshade is connected to the heat dissipation cover by threads.
The lamp cap according to claim 11 or 14, wherein the connection between the connecting rod and the lamp holder is through a threaded hole provided on the lamp holder, or a threaded hole installed on the connecting plate of the lamp holder, or A separate nut is connected with the thread on the connecting rod.
The lamp cap according to claim 11 or 14, wherein the lamp cap further comprises a reflective part, and the reflective part is arranged in the first lampshade.
The lamp cap according to claim 16, wherein the reflective member is sleeved outside the connecting rod.
The lamp cap according to claim 1, wherein the lamp cap further comprises a reflective part, and the reflective part is arranged in the first lampshade.
18. The lamp cap according to claim 18, wherein the second lampshade, the heat dissipation cover, the first light-emitting assembly, the first lampshade, and the reflective component form an integrally detachable light source module.
18. The lamp cap according to claim 19, wherein the lamp cap further comprises a second light-emitting assembly, and the second light-emitting assembly is installed in the space formed by the heat dissipation cover and the second lampshade.
The lamp cap according to any one of claims 18, 19, and 20, wherein the second lampshade, the heat dissipation cover, the first lampshade, and the reflective part are connected and fixed by a connecting rod.
The lamp cap according to any one of claims 18, 19, 20, wherein the heat dissipation cover, the first lampshade, and the reflective part are connected and fixed by a connecting rod; the second lampshade is connected to the heat dissipation cover by threads on.
The lamp cap according to claim 21, characterized in that the connection between the connecting rod and the reflective part is through a threaded hole provided on the reflective part, or a threaded hole installed on the connecting plate on the reflective part, or a separate The nut is connected with the thread on the connecting rod.
The lamp holder according to claim 21, wherein the reflective component comprises an electrical appliance compartment, the appliance compartment comprising an appliance compartment main body and an appliance compartment cover made of non-metallic material, and the appliance compartment cover is disposed on the appliance compartment main body Above, the space formed by the cover of the electrical appliance compartment is communicated with the space formed by the main body of the appliance compartment.
The lamp holder according to claim 24, wherein the electric appliance compartment cover is detachably connected with the electric appliance compartment main body.
The lamp holder according to claim 24, wherein the connection between the connecting rod and the electrical appliance compartment is through a threaded hole provided on the electrical appliance compartment, or a threaded hole installed on the connecting plate of the electrical appliance compartment, or A separate nut is connected with the thread on the connecting rod.
The lamp holder according to claim 1, characterized in that the lamp holder further comprises an electrical appliance compartment, the appliance compartment comprising an appliance compartment main body and an appliance compartment cover made of non-metallic material, and the appliance compartment cover is disposed on the appliance compartment main body Above, the space formed by the cover of the electrical appliance compartment is communicated with the space formed by the main body of the appliance compartment.
The lamp cap according to claim 27, wherein the second lampshade, the heat dissipation cover, the first lampshade, and the electrical appliance compartment are connected and fixed by a connecting rod.
The lamp cap according to claim 27, wherein the heat dissipation cover, the first lamp cover, and the electrical appliance compartment are connected and fixed by a connecting rod; and the second lamp cover is connected to the heat dissipation cover by threads.
The lamp holder according to any one of claims 27, 28, 29, wherein the electric appliance compartment cover is detachably connected with the electric appliance compartment main body.
The lamp cap according to any one of claims 28 and 29, characterized in that the connection between the connecting rod and the electrical appliance compartment is through a threaded hole provided on the appliance compartment or a screw thread installed on the connecting plate of the appliance compartment. Hole, or a separate nut, is connected with the thread on the connecting rod.
The lamp cap according to any one of claims 1-14, 18-20, 27-29, wherein the area enclosed by the projection of the largest outer contour of the second lampshade on a plane perpendicular to the axis of the lamp cap Smaller than the area enclosed by the projection of the largest outer contour of the heat dissipation cover on a plane perpendicular to the axis of the lamp holder; the area enclosed by the projection of the largest outer contour of the heat dissipation cover on the plane perpendicular to the axis of the lamp holder is less than or equal to The area enclosed by the projection of the largest outer contour of the first lampshade on a plane perpendicular to the axis of the lamp cap.
The lamp cap according to claim 32, wherein the area enclosed by the projection of the maximum outer contour of the second lampshade on a plane perpendicular to the axis of the lamp cap is smaller than that of the maximum outer contour of the heat dissipation cover perpendicular to the The area enclosed by the projection on the axis plane of the lamp cap is 1/2.
The lamp cap according to any one of claims 1-14, 18-20, 27-29, wherein the first lampshade is in the shape of a "can" with openings at both upper and lower ends as a whole; The lampshade as a whole is a revolving body with open ends formed by the bus bar revolving in an S-shaped curve; after the second lampshade is combined with the top cap, the whole is in the shape of a gourd with an open bottom.
The lamp cap according to any one of claims 10-12, 21, 23-26, 28-29, wherein the heat dissipation cover is limited by a first limiting nut located on the connecting rod.
A street lamp, comprising a lamp pole and at least one lamp cap directly or indirectly mounted on the lamp pole, characterized in that the lamp cap is the lamp cap according to any one of claims 1-35.