CN215174428U - Lamp with built-in driving power supply - Google Patents

Abstract

The utility model discloses a built-in drive power supply lamps and lanterns. The utility model discloses an including lamp shade, lamp strip and DC power supply subassembly in the built-in drive power supply lamps and lanterns, the lamp strip is injectd with the light-emitting cover to the radiator and holds the chamber, and the power is injectd with the reflector to the radiator and holds the chamber. The power supply shell in the direct current power supply assembly is arranged in the power supply accommodating cavity in an interference mode, the radiator and the reflecting cover are respectively abutted to the upper side and the lower side of the power supply shell, the radiator generates extrusion force on the power supply shell, and therefore the power supply shell can be clamped in the power supply accommodating cavity by the limiting piece and the reflecting cover and cannot be loosened. Because power supply housing is that plastics are made, consequently can rely on the elasticity stopper to advance the power and hold the chamber or hold the chamber from the power and take out under great exogenic action, its installation and change process easy operation, just the embodiment of the utility model provides an in built-in drive power supply lamps and lanterns need not external DC power supply adaptor when using to reduce the installation degree of difficulty of lamps and lanterns, promoted the convenience of using.

Description

Lamp with built-in driving power supply

Technical Field

The utility model relates to a lamps and lanterns field especially relates to a built-in drive power supply lamps and lanterns.

Background

An LED (light emitting diode) lamp has the advantages of high luminous efficiency and low energy consumption, and is widely applied to the field of illumination. In the field of plant growing, LED lamps are also used as light sources for extended illumination of plants. At present, some LED lamps can only be used under the power supply of an external power supply, so when the external power supply is alternating current, the LED lamps can be used only by an external driving power supply component, but the external driving power supply component can increase the installation operation and the installation difficulty of the LED lamps.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a built-in drive power supply lamps and lanterns can reduce the installation degree of difficulty of lamps and lanterns with placing the lamp shade in the drive power supply changeover part in.

According to the utility model discloses a built-in DC power supply lamps and lanterns of first aspect embodiment includes:

the lampshade is hollow, and comprises a light outlet cover and a reflecting cover;

the radiator is arranged in the lampshade, the reflecting cover and the light-emitting cover are respectively positioned on the upper side and the lower side of the radiator, the radiator and the light-emitting cover define a lamp strip accommodating cavity, the radiator and the reflecting cover define a power supply accommodating cavity, the radiator comprises a radiating substrate and a plurality of limiting parts, and the limiting parts protrude towards one side of the reflecting cover relative to the radiating substrate;

the light bar is arranged in the light bar accommodating cavity, and the light emitting surface of the light bar faces the light emitting cover;

the driving power supply assembly is arranged in the power containing cavity and comprises a power shell and a direct-current power supply conversion assembly, the power shell is hollow inside, the direct-current power supply conversion assembly is arranged inside the power shell, the power shell is made of plastic, the power shell is arranged in the power containing cavity in an interference mode, the reflector and the radiator are respectively abutted to the upper side and the lower side of the power shell, the driving power supply assembly is electrically connected with the lamp strip, the direct-current power supply conversion assembly is used for being connected with an external power grid, and the driving power supply assembly can convert alternating current into direct current.

According to the utility model discloses built-in drive power supply lamps and lanterns have following beneficial effect at least: the lamp shade is internally provided with the direct-current power supply conversion part, so that the lamp with the built-in driving power supply does not need to be externally connected with the driving power supply, the operation of the lamp in the installation process is reduced, the installation difficulty of the lamp with the built-in driving power supply is reduced, the lamp can be directly communicated with alternating current for use, and the use convenience is improved. Furthermore, the embodiment of the utility model provides an in built-in drive power supply lamps and lanterns, power casing interference set up in the power holds the chamber, and support through radiator and reflector and hold chucking power casing, realize fixing power casing in the power holds the chamber from this. The embodiment of the utility model provides an in built-in drive power supply lamps and lanterns direct current power supply unit need not additionally set up installing support isotructure, only through the installation of the spacing realization drive power supply subassembly of cooperation between radiator and the reflector fixed, from this the embodiment of the utility model provides an in built-in drive power supply lamps and lanterns be with low costs, small, and only need rely on power supply housing's elasticity to fill in power supply housing between locating part and the reflector, can realize power supply housing's fixed, easy operation.

According to some embodiments of the utility model, state the radiator and include heat dissipation base plate and a plurality of locating part, the locating part for heat dissipation base plate orientation one side protrusion at reflector place, the locating part support hold in power supply housing's bottom.

According to some embodiments of the utility model, the radiator includes two the locating part, two the locating part support respectively in the power casing is followed the ascending both sides of width direction of lamp shade.

According to some embodiments of the utility model, the power casing includes first contact surface and second contact surface, first contact surface with the second contact surface is located respectively the power casing is followed the ascending both sides of width direction of lamp shade, first contact surface the second contact surface is all followed the width direction of lamp shade to the power holds the chamber and follows the middle part slope of width direction of lamp shade, two the locating part support respectively in first contact surface with the second contact surface.

According to some embodiments of the utility model, the lamp shade is connected with the end cover respectively along length direction's both ends, the locating part is followed the length direction of lamp shade extends, just the locating part is followed the length direction's of lamp shade both ends are provided with the mounting hole, be provided with the connecting hole on the end cover, the connecting hole with wear to be equipped with threaded connection spare in the mounting hole, the end cover passes through threaded connection spare with locating part threaded connection.

According to the utility model discloses a some embodiments, the radiating basal plate is followed the width direction's of lamp shade both ends all are provided with the draw-in groove, the inside of reflector in the corresponding position of draw-in groove is provided with the cardboard, the cardboard is followed the width direction of lamp shade extends to among the draw-in groove, and support and hold the cell wall of draw-in groove.

According to some embodiments of the utility model, the draw-in groove is followed the width direction horizontal extension of lamp shade, the cardboard to a lopsidedness at light-emitting cover place.

According to the utility model discloses a some embodiments, the bottom of heat dissipation base plate still is provided with two stoppers in addition, two the stopper is located respectively the heat dissipation base plate is followed the width direction's of lamp shade both ends, the stopper is to being close to go out a lopsidedness of light cover, the stopper with it has the clearance to go out between the light cover.

According to some embodiments of the utility model, the heat dissipation base plate orientation one side of light-emitting cover is provided with a pair of bellying, one side that the bellying was faced each other is provided with spacing wall respectively, the heat dissipation base plate the bellying with inject the slot between the spacing wall, the slot intercommunication the lamp strip holds the chamber, the lamp strip set up in among the slot.

According to the utility model discloses a some embodiments, the lamp shade is connected with the end cover respectively along length direction's both ends, the lamp shade is along length direction's one end be provided with first plug connector on the end cover, the lamp shade is along length direction's the other end be provided with the second plug connector on the end cover, first plug connector the inside of second plug connector is provided with interconnecting link to be used for connecting outside electric wire netting respectively, interconnecting link still with drive power supply changeover part electric connection, first plug connector is used for a plurality of when the concatenation of built-in drive power supply lamps and lanterns, with adjacent the built-in drive power supply lamps and lanterns the second plug connector is pegged graft.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

fig. 1 is a schematic structural view of a lamp with a built-in driving power supply according to an embodiment of the present invention;

fig. 2 is an exploded view of the lamp with a built-in driving power supply according to the embodiment of fig. 1;

fig. 3 is a schematic view of a part of an internal structure of a lamp with an internal driving power supply according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a heat sink of the lamp with an internal driving power supply according to the embodiment of fig. 3 of the present invention;

fig. 5 is a schematic view of a part of a structure of a lamp with an internal driving power supply according to an embodiment of the present invention.

Reference numerals:

the lamp shade 100, the light outlet shade 110, the light bar accommodating cavity 111, the reflecting shade 120, the power supply accommodating cavity 121, the clamping plate 122 and the ceiling mounting piece 130;

the waterproof structure comprises an end cover 200, a connecting hole 210, a threaded connecting piece 211, a waterproof plug 220, a first plug connector 230, a second plug connector 240, a plug fixing piece 250, a plug hole 260, a waterproof sleeve 270 and a reinforcing rib 280;

the heat sink 300, the heat dissipation substrate 310, the card slot 311, the stopper 312, the slot 313, the stopper wall 314, the boss 315, the stopper 320, and the mounting hole 321;

the lamp strip 400, the lamp strip substrate 410 and the lamp beads 420;

the direct current power supply assembly 500, a power supply shell 510, a first contact surface 511, a second contact surface 512 and a direct current power conversion piece 520.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means is one or more, a plurality of means is two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1 to 5, an embodiment of the present invention provides a built-in dc power supply lamp, including a lamp shade 100, a lamp strip 400, and a dc power supply assembly 500.

The lamp housing 100 is hollow, and the lamp housing 100 includes a light-emitting cover 110 and a reflecting cover 120. The light exiting cover 110 in the lamp housing 100 is a cover body of the light exiting portion of the lamp housing 100, and the light exiting cover 110 may be made of a light-transmissive plastic material, such as light-transmissive PC (polycarbonate). The reflector 120 is a housing of the lamp casing 100 for reflecting light, and the reflector 120 may be made of a light-transmitting plastic material, such as PC (polycarbonate), which is not light-transmitting. The light outlet cover 110 and the reflective cover 120 may be integrally formed, or may be integrally connected by gluing, hot melting, or the like to form the lamp cover 100.

Referring to fig. 3, the heat sink 300 is disposed inside the lamp cover 100, the light reflecting cover 120 and the light emitting cover 110 are respectively disposed on the upper and lower sides of the heat sink 300, the heat sink 300 and the light emitting cover 110 define a light bar accommodating cavity 111, and the heat sink 300 and the light reflecting cover 120 define a power supply accommodating cavity 121. The light bar 400 is disposed in the light bar accommodating cavity 111, and the light emitting surface of the light bar 400 faces the light exiting cover 110, so that the light generated by the light bar 400 is emitted from the light exiting cover 110. In some embodiments, light bar 400 comprises a light bar substrate 410 and a plurality of light beads 420. The heat sink 300 may be made of a material having high thermal conductivity, such as aluminum alloy, thermal conductive plastic, or the like. Radiator 300 can heat conduction to derive lamp strip 400 production heat, in order to reduce the inside temperature of lamp shade 100, avoid the high temperature, damage drive power supply converter 520 and lamp pearl 420. The lamp beads 420 are disposed on a side of the light bar substrate 410 facing the light exiting cover 110, so that light generated by the lamp beads 420 can be emitted from the light exiting cover 110. The light bar substrate 410 may be made of a material with high thermal conductivity, such as aluminum, aluminum alloy, or heat conductive plastic, so as to transfer heat generated by the lamp beads 420 to the heat sink 300. The embodiment of the utility model provides an in the lamp pearl can be LED lamp pearl. The heat sink 300 may be connected to the light-emitting cover 110 or the light-reflecting cover 120. In some embodiments, the end caps 200 are respectively connected to both ends of the lamp housing 100 along the length direction, and both ends of the heat sink 300 along the length direction may also be respectively connected to the two end caps 200 to be fixed inside the lamp housing 100.

Referring to fig. 3, driving power supply assembly 500 sets up in power holds chamber 121, and driving power supply assembly 500 includes power casing 510 and driving power supply changeover component 520, and the inside cavity of power casing 510, driving power supply changeover component 520 set up in the inside of power casing 510, driving power supply changeover component 520 and lamp pearl 420 electric connection, and driving power supply changeover component 520 is used for being connected with outside electric wire netting. The driving power converter 520 can convert ac power into dc power, and thus, even if the external connection is ac power, the ac power is converted into dc power through the driving power converter 520, so that the lamp with the built-in driving power is not limited to the kind of external power. The driving power converter 520 includes, but is not limited to, a dc power adapter, a voltage regulator, a rectifier, and other circuit structures. The embodiment of the utility model provides an in the LED lamp, need not external drive power supply changeover part 520 when using to reduce the installation degree of difficulty of lamps and lanterns, promoted the convenience of using. In addition, the power accommodating cavity 121 can also provide an accommodating space for the connection circuit of the driving power converter, so that the wiring is convenient.

The power supply housing 510 is made of plastic, wherein the plastic material includes, but is not limited to, polypropylene, polyamide, polycarbonate, and the like. The plastic material has certain elasticity and toughness, so that the plastic material can be slightly deformed under the action of external force and cannot be broken. The shape of the power supply housing 510 may be a cuboid, cylinder, or other shape. The power supply housing 510 is disposed in the power supply accommodating cavity 121 in an interference manner, and the reflector 120 and the heat sink 300 are respectively abutted to the upper and lower sides of the power supply housing 510, and the heat sink 300 generates a pressing force on the power supply housing 510, so that the power supply housing 510 is clamped in the power supply accommodating cavity 121 by the limiting member 320 and the reflector 120, and cannot be loosened. Because the power supply shell 510 is made of plastic, the power supply shell can be plugged into the power supply accommodating cavity 121 or taken out of the power supply accommodating cavity 121 by means of elasticity under the action of large external force, and the installation and replacement processes are simple to operate. To prevent the power supply housing 510 from breaking, a plastic material with good toughness, such as polycarbonate, may be selected.

In some embodiments, the heat sink 300 includes a heat dissipating substrate 310 and a plurality of stoppers 320, the stoppers 320 protrude from a side of the heat dissipating substrate 310 facing the reflector 120, and the stoppers 320 abut against the bottom of the power housing 510. The stopper 320 may be formed integrally with the heat dissipating substrate 310, or may be integrally connected by welding, screwing, or the like. The position limiting member 320 may be a protrusion, a protruding plate, a boss, or the like. The stopper 320 may have a rectangular parallelepiped shape, a circular truncated cone shape, a cylindrical shape, or other regular or irregular shapes. The stopper 320 may be in point contact, line contact, or surface contact with the power supply housing 510. The limiting member 320 abuts against the bottom of the power supply housing 510, and can generate a limiting extrusion force on the power supply housing 510, so that the power supply housing 510 is clamped in the power supply accommodating cavity 121. The bottom of the power supply housing 510 is not limited to the bottom of the power supply housing 510, but should be understood to include the bottom of the power supply housing 510 and a portion near the bottom of the power supply housing 510. Referring to fig. 3, the stoppers 320 protrude from the heat dissipation substrate 310, thereby increasing the height of the heat sink 300 in the vertical direction, and the thickness of the heat dissipation substrate 310 can be reduced by increasing the height of the heat dissipation substrate 310 as a whole, thereby reducing the use of materials.

The embodiment of the utility model provides an in the embodiment, built-in drive power supply lamps and lanterns are through placing lamp shade 100 inside in with drive power supply changeover part 520 in, make built-in drive power supply lamps and lanterns need not external DC power supply changeover part again, have reduced the operation of lamps and lanterns in the installation, have reduced the installation degree of difficulty of built-in drive power supply lamps and lanterns to make built-in drive power supply lamps and lanterns can directly communicate the alternating current and use, promoted the convenience of using. Furthermore, the embodiment of the present invention provides an internal driving power supply lamp, the power supply housing 510 is disposed in the power supply accommodating cavity 121 in an interference manner, and supports the chucking power supply housing 510 through the heat sink 300 and the reflection cover 120, so as to fix the power supply housing 510 in the power supply accommodating cavity 121. The embodiment of the utility model provides an in built-in drive power supply lamps and lanterns drive power supply assembly 500 need not additionally set up installing support isotructure, only through the spacing installation that realizes direct current power supply assembly 500 of cooperation between radiator 300 and the reflector 120 fixed, from this the embodiment of the utility model provides an in built-in drive power supply lamps and lanterns be with low costs, small, and only need rely on power supply housing 510's elasticity to fill in power supply housing 510 between radiator 300 and the reflector 120, can realize power supply housing 510's fixed, easy operation.

Referring to fig. 3 and 4, in some embodiments of the present invention, the heat sink 300 includes two limiting members 320, and the two limiting members 320 respectively support against two sides of the bottom of the power supply housing 510 along the width direction of the lamp shade 100. Referring to fig. 3, the width direction of the lamp housing 100 is a left-right direction, and the two stoppers 320 respectively press and limit the power supply housing 510 at left and right sides below the power supply housing 510 to support the power supply housing 510 and clamp the power supply housing 510 in the power supply accommodating cavity 121. The power supply housing 510 is limited by the upper reflector 120 and the lower two limiting members 320 from the left and right directions, and has good stability. The upper surface of the power supply housing 510 may be configured to engage the inner surface of the reflector 120 to increase the limit of the reflector 120 to the power supply housing 510.

Referring to fig. 3 and 4, in some embodiments of the present invention, the power supply housing 510 includes a first contact surface 511 and a second contact surface 512, and the first contact surface 511 and the second contact surface 512 are respectively located at two sides of the power supply housing 510 along the width direction of the lamp cover 100. Both the first contact surface 511 and the second contact surface 512 are inclined toward the middle of the power supply accommodating chamber 121 along the width direction of the lamp housing 100, referring to fig. 3, the width direction of the lamp housing 100 is the left-right direction, the first contact surface 511 is located on the left side of the power supply housing 510, and the middle of the power supply accommodating chamber 121 along the width direction of the lamp housing 100 is located on the right side of the first contact surface 511, so the first contact surface 511 is inclined toward the right side. The second contact surface 512 is inclined in the opposite direction to the first contact surface 511. The two stoppers 320 respectively abut against the first contact surface 511 and the second contact surface 512. The first contact surface 511 and the second contact surface 512 of the power supply housing 510 are both inclined surfaces inclined towards the inside of the lamp shade 100, which is more beneficial for the power supply housing 510 to be plugged into the power supply accommodating cavity 121, and is convenient for installation and operation. In some embodiments, the first contact surface 511 and the second contact surface 512 are symmetrically inclined surfaces, so that the structural stress of the power supply housing 510 is more stable.

In some embodiments, the position-limiting member 320 is cylindrical, and the cylindrical position-limiting member 320 is in line contact with the power supply housing 510, so that the line contact is easier for the power supply housing 510 to be plugged into the power supply accommodating cavity 121 than in surface contact; line contacts have better stability than point contacts.

Referring to fig. 3 and 5, in some embodiments of the present invention, the end caps 200 are respectively connected to both ends of the lamp cover 100 along the length direction, the limiting member 320 extends along the length direction of the lamp cover 100, the limiting member 320 is provided with the mounting holes 321 along both ends of the length direction of the lamp cover 100, the end cap 200 is provided with the connecting hole 210, the threaded connection member 211 is inserted into the connecting hole 210 and the mounting hole 321, the end cap 200 is threadedly connected to the limiting member 320 through the threaded connection member 211, so that the heat sink 300 is fixed to the end cap 200. The end cap 200 is in threaded connection with the limiting member 320, so that the limiting member 320 can be detached from the end cap 200, and replacement at a later stage is facilitated. The threaded connection 211 includes, but is not limited to, various types of screws, bolts, and the like. In some embodiments, the threaded connection 211 is a self-tapping screw to reduce machining and save machining costs. When the threaded connector 211 is a tapping screw, the stopper 320 may be provided with a notch, and the notch communicates with the mounting hole 321 and penetrates through the stopper 320 to prevent the tapping screw from sliding out of teeth.

Referring to fig. 2 and 5, in some embodiments of the present invention, the hole wall of the connection hole 210 protrudes to a side away from the lamp cover 100, a waterproof plug 220 is further disposed in the connection hole 210, the waterproof plug 220 is located on a side of the threaded connection 211 away from the lamp cover 100, and the waterproof plug 220 is attached to the hole wall of the connection hole 210. The waterproof plug 220 is used for waterproofing, and may be made of waterproof materials such as silica gel, rubber, and the like. The waterproof plug 220 is attached to the wall of the connection hole 210 to fill the entire connection hole 210, thereby preventing water from penetrating into the connection hole 210. In the embodiment where a plurality of connection holes 210 are provided, a plurality of waterproof plugs 220 may be connected as a single body to facilitate simultaneous installation and save operation. For example, referring to fig. 2 and 5, two connection holes 210 are provided in the end cap 200, and two waterproof plugs 220 are integrally connected. A groove may be provided on the end cap 200 to receive a connection portion between the two waterproof plugs 220.

Referring to fig. 3 and 4, in some embodiments of the present invention, the heat dissipating substrate 310 is provided with a clamping groove 311 along both ends of the width direction of the lamp cover 100, the inside of the reflector 120 is provided with a clamping plate 122 at a corresponding position of the clamping groove 311, and the clamping plate 122 extends into the clamping groove 311 along the width direction of the lamp cover 100 and supports against the groove wall of the clamping groove 311. The width direction of the lampshade 100 is the left and right direction, the left and right ends of the heat sink 300 are both provided with the clamping grooves 311, the left and right ends of the inside of the reflecting shade 120 are both provided with the clamping plates 122, and the two clamping plates 122 are clamped into the clamping grooves 311 from the left and right ends and are supported on the groove walls of the clamping grooves 311, so that the upper surfaces of the clamping plates 122 can support the clamping grooves 311. In the assembling process, the clamping plate 122 is inserted into the clamping groove 311 of the heat sink 300, so that the heat sink 300 can be initially positioned in the lampshade 100, the operation is simple, and the heat sink 300 can be conveniently fixed on the end cover 200 subsequently. The engaging groove 311 may be horizontally extended in the left and right directions, which facilitates the processing and installation operations. The card slot 311 may be a slot extending non-horizontally, for example, inclined downward, and the card 122 may be inserted into the card slot 311 from below the card slot 311.

Referring to fig. 3 and 4, in some embodiments of the present invention, the slot 311 extends horizontally along the width direction of the lampshade 100, and the clamping plate 122 inclines towards the side where the light-emitting cover 110 is located, so that the clamping plate 122 and the slot wall of the slot 311 are not completely attached to each other. For example, referring to fig. 3, the card slot 311 extends horizontally in the left-right direction, the card board 122 is inclined downward, and the length of the card board 122 in the up-down direction is increased by the card board 122 arranged downward relative to the card board 122 arranged horizontally, so that the up-down width of the card slot 311 of the heat sink 300 also needs to be increased correspondingly, so that the card board 122 can be clamped into the card slot 311 and abut against the slot wall of the card slot 311. The upper and lower width of the card slot 311 of the heat sink 300 is increased, so as to avoid the occurrence of collapse due to the over-small upper and lower width of the card slot 311 of the heat sink 300. Generally, the thickness of the card board 122 in the vertical direction needs to be increased to increase the vertical width of the card slot 311 of the heat sink 300, and in this embodiment, the length of the card board 122 in the vertical direction is increased by setting the card board 122 to be inclined, and the thickness of the card board 122 in the vertical direction does not need to be increased, so that the manufacturing cost is saved.

Referring to fig. 3 and 4, in some embodiments of the present invention, the bottom of the heat dissipation substrate 310 is further provided with two stoppers 312, the two stoppers 312 are respectively located at two ends of the heat dissipation substrate 310 along the width direction of the lamp cover 100, the stoppers 312 incline to one side close to the light-emitting cover 110, and a gap is formed between the stoppers 312 and the light-emitting cover 110. When the heat dissipating substrate 310 is loosened, the limiting block 312 moves accordingly, and since the limiting block 312 inclines toward a side close to the light exiting cover 110, when the limiting block 312 moves to the position where the limiting block 312 contacts and abuts against the light exiting cover 110, the heat dissipating substrate 310 is limited by the light exiting cover 110. The width of the gap between the limiting block 312 and the light-emitting cover 110 should be set in a small range to avoid an excessive movement amount of the heat dissipation substrate 310, and in some embodiments, the width of the gap between the limiting block 312 and the light-emitting cover 110 is set between 0.1mm and 0.4 mm.

Referring to fig. 3 and 4, in some embodiments of the present invention, a pair of protrusions 315 is disposed on one side of the heat dissipation substrate facing the light exit cover, a limiting wall 314 is disposed on one side of the protrusions 315 facing each other, a slot 313 is defined between the heat dissipation substrate 310, the protrusions 315 and the limiting wall 314, the slot 313 communicates with the light bar accommodating cavity 111, and the light bar 400 is disposed in the slot. Referring to fig. 3, the two protrusions 315 are respectively located at the left and right ends of the slot 313, and the limiting walls 314 are disposed in the slot 313, so that the two limiting walls 314 are located below the light bar 400, and the two limiting walls 314 can support the light bar 400 from the left and right ends. In addition, since the protruding portion 315 and the limiting wall 314 are not disposed at two ends of the slot 313 in the length direction, the heat dissipating substrate 310 can be directly inserted into the slot 313 from one end of the heat dissipating substrate 310 in the length direction of the lamp shade 100, which is convenient for installation and later maintenance and replacement.

Referring to fig. 2, in some embodiments of the present invention, a waterproof cover 270 is disposed between the end cap 200 and the lamp cover 100, the waterproof cover 270 is disposed toward one side of the lamp cover 100 to form a cover groove, the lamp cover 100 is disposed in the cover groove, the surface of the lamp cover 100 is attached to the groove wall of the cover groove, and the end cap 200 is disposed on the waterproof cover 270 and attached to the waterproof cover 270. The waterproof jacket 270 is waterproof and may be made of silica gel, rubber, or the like. The inner side and the outer side of the waterproof cover 270 are respectively attached to the lampshade 100 and the end cap 200 to fill the gap between the lampshade 100 and the end cap 200, so as to prevent water from permeating into the lampshade 100.

Referring to fig. 1 and 2, in some embodiments of the present invention, the end covers 200 are respectively connected to the lamp shade 100 along the two ends of the length direction, the end cover 200 of the one end of the lamp shade 100 along the length direction is provided with a first plug connector 230, the end cover 200 of the other end of the lamp shade 100 along the length direction is provided with a second plug connector 240, the first plug connector 230 and the second plug connector 240 are provided with a connection circuit, so as to respectively connect an external power grid, the connection circuit is further electrically connected with a driving power supply conversion part 520, so that an external commercial power is electrically connected to the lamp beads 420 through the driving power supply conversion part 520, when the first plug connector 230 is used for splicing a plurality of built-in driving power supply lamps, the second plug connector 240 of the adjacent built-in driving power supply lamps is spliced. First plug 230 and second plug 240 may be male and female connectors used with the related art. For example, specifically, a pin is disposed on the first plug connector 230, a jack is disposed on the second plug connector 240, the pin can be inserted into the jack, and a structure such as a buckle or a spring plate can be disposed in the jack to realize fixed connection with the pin. In this embodiment, in the use process of a plurality of internal driving power supply lamps, the plurality of internal driving power supply lamps can be connected in series through the first plug connector 230 and the second plug connector 240, so that the plurality of internal driving power supply lamps can be conveniently and commonly installed and used. The outer surface of the first connector 230 and the outer surface of the second connector 240 may be made of insulating waterproof material, such as plastic, to prevent the internal connection lines from being broken due to water. The connection between the first plug 230 and the second plug 240 and the end cap 200 may be by thermal fusion, snap connection, screw connection, etc.

Referring to fig. 2 and 5, in some embodiments of the present invention, an insertion hole 260 is provided on the end cover 200, and an insertion fixing member 250 is provided at one end of the first and second insertion members 230 and 240 connected to the end cover 200, the insertion fixing member 250 is inserted into the insertion hole 260, and the insertion fixing member 250 is in interference fit with the insertion hole 260. The plug fastener 250 may be a nut. The insertion fixture 250 in this embodiment may be made of plastic, so that the insertion fixture 250 can be directly inserted into the insertion hole 260 by its own elasticity and is fixed in the insertion hole 260 by interference fit with the insertion hole 260, thereby being easy to install.

Referring to fig. 5, in some embodiments of the present invention, a plurality of ribs 280 are disposed around the insertion hole 260 to increase the strength of the end cap 200 at a position near the insertion hole 260 to prevent damage.

Referring to fig. 1, in some embodiments of the present invention, the top of the lamp cover 100 is provided with a ceiling mounting member 130, and the ceiling mounting member 130 is provided with a screw connection hole 210 or a fastening structure, so that the lamp cover 100 can be directly fixed on the ceiling or the bracket through the screw connection member 211 or the fastening structure.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

Claims (10)

1. Built-in drive power supply lamps and lanterns characterized by, include:

the lampshade is hollow, and comprises a light outlet cover and a reflecting cover;

the radiator is arranged in the lampshade, the light reflecting cover and the light emitting cover are respectively positioned on the upper side and the lower side of the radiator, the radiator and the light emitting cover define a light bar accommodating cavity, and the radiator and the light reflecting cover define a power supply accommodating cavity;

the light bar is arranged in the light bar accommodating cavity, and the light emitting surface of the light bar faces the light emitting cover;

the driving power supply assembly is arranged in the power containing cavity and comprises a power shell and a direct-current power supply conversion assembly, the power shell is hollow inside, the direct-current power supply conversion assembly is arranged inside the power shell, the power shell is made of plastic, the power shell is arranged in the power containing cavity in an interference mode, the reflector and the radiator are respectively abutted to the upper side and the lower side of the power shell, the driving power supply assembly is electrically connected with the lamp strip, the driving power supply assembly is used for being connected with an external power grid, and the driving power supply assembly can convert alternating current into direct current.

2. The lamp with the built-in driving power supply of claim 1, wherein the heat sink includes a heat dissipating substrate and a plurality of position limiting members, the position limiting members protrude from a side of the heat dissipating substrate where the light reflecting cover is located, and the position limiting members abut against a bottom of the power supply housing.

3. The lamp with built-in driving power supply of claim 2, wherein the heat sink includes two of the limiting members, and the two of the limiting members respectively abut against two sides of the bottom of the power supply housing along the width direction of the lamp cover.

4. The lamp with built-in driving power supply of claim 3, wherein the power supply housing comprises a first contact surface and a second contact surface, the first contact surface and the second contact surface are respectively located at two sides of the power supply housing along the width direction of the lamp cover, the first contact surface and the second contact surface are both inclined towards the middle of the power supply accommodating cavity along the width direction of the lamp cover, and the two limiting members respectively abut against the first contact surface and the second contact surface.

5. The lamp with the built-in driving power supply according to claim 2, wherein end caps are respectively connected to two ends of the lamp cover in the length direction, the limiting member extends in the length direction of the lamp cover, mounting holes are formed in the limiting member in two ends of the lamp cover in the length direction, a connecting hole is formed in each end cap, a threaded connector is inserted into each connecting hole and each mounting hole, and each end cap is in threaded connection with the limiting member through the threaded connector.

6. The lamp with the built-in driving power supply according to claim 2, wherein the heat-dissipating substrate is provided with a locking groove at each of two ends in the width direction of the lamp shade, and a locking plate is provided inside the reflector at a position corresponding to the locking groove, and the locking plate extends into the locking groove in the width direction of the lamp shade and abuts against a groove wall of the locking groove.

7. The lamp with the built-in driving power supply according to claim 6, wherein the locking groove extends horizontally in a width direction of the lamp cover, and the locking plate is inclined toward a side where the light-emitting cover is located.

8. The lamp with the built-in driving power supply according to claim 7, wherein two limiting blocks are further disposed at the bottom of the heat dissipation substrate, the two limiting blocks are respectively disposed at two ends of the heat dissipation substrate along the width direction of the lamp cover, the limiting blocks are inclined toward a side close to the light emitting cover, and a gap is formed between the limiting blocks and the light emitting cover.

9. The lamp with the built-in driving power supply according to claim 2, wherein a pair of protruding portions are disposed on a side of the heat dissipation substrate facing the light outlet cover, a pair of limiting walls are disposed on a side of the protruding portions facing each other, and a slot is defined between the heat dissipation substrate, the protruding portions and the limiting walls, the slot communicates with the light bar receiving cavity, and the light bar is disposed in the slot.

10. The lamp with built-in driving power supply according to any one of claims 1 to 9, wherein end caps are respectively connected to both ends of the lamp cover along the length direction, a first connector is disposed on the end cap at one end of the lamp cover along the length direction, a second connector is disposed on the end cap at the other end of the lamp cover along the length direction, a connection circuit is disposed inside the first connector and the second connector for connecting to an external power grid, respectively, the connection circuit is further electrically connected to the driving power supply assembly, and the first connector is used for connecting to the second connector of an adjacent lamp with built-in driving power supply when a plurality of lamps with built-in driving power supply are connected.

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