CN213394691U

CN213394691U - Lamp set

Info

Publication number: CN213394691U
Application number: CN202022430521.4U
Authority: CN
Inventors: 陈慧武; 郑泳树
Original assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Current assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-06-08
Anticipated expiration: 2030-10-28

Abstract

The application provides a lamp, including lamp holder subassembly, insulating sleeve, drive assembly, cell-shell, stem and many filaments, drive assembly locates in the insulating sleeve and with lamp holder subassembly electricity is connected, the stem is sealed to be located one end in the cell-shell is equipped with metal post and many metal guide, the metal post with the metal guide all with the drive assembly electricity is connected, each the one end electricity of filament is connected the metal post is kept away from one of stem is served, the other end electricity of filament is connected correspondingly on the metal guide, the filament slope set up and with the contained angle of metal post is 10-30. The filament inclines to set up to the middle part and the top light-emitting of lamps and lanterns have been increased, make illumination inhomogeneous phenomena such as dark spot can not appear at the lamps and lanterns top, the setting simple structure of metal column simultaneously, filament slope become straight line simple to operate, make the lamps and lanterns of this application have illumination advantage even, simple structure and simple to operate.

Description

Lamp set

Technical Field

The application belongs to the technical field of lighting, and more specifically relates to a lamp.

Background

Currently, due to the rapid development of the LED industry, LED lamps gradually replace traditional lighting lamps. Because the luminous characteristics such as pointolite and directionality of having of LED, the flexible filament of LED generally is that the heliciform sets up in the cell-shell of lamps and lanterns around the stem, and on the one hand, the flexible filament of heliciform LED need set up the mount on the stem in the cell-shell and carry out the shape fixed, makes complicatedly, and on the other hand, the flexible lamp of LED must guarantee that the light-emitting side of LED chip is outside (towards the cell-shell) at the spiral in-process, and the installation requirement is higher and the inhomogeneous phenomenon of illumination appears easily.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a lamp to solve among the prior art flexible filament spiral of LED and set up and have the technical problem that installation difficulty, illumination are inhomogeneous.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the utility model provides a lamp, includes lamp holder subassembly, insulating sleeve, drive assembly, cell-shell, stem and many filaments, drive assembly locates in the insulating sleeve and with lamp holder subassembly electricity is connected, the stem is sealed to be located one end in the cell-shell is equipped with metal post and many metal guide, the metal post with the metal guide all with the drive assembly electricity is connected, the one end electricity of filament is connected the metal post is kept away from one of stem is served, the other end electricity of filament is connected correspondingly on the metal guide, the filament slope set up and with the contained angle of metal post is 10-30.

In one embodiment, the included angle is 12-25 °.

In one embodiment, the plurality of filaments are equally distributed around the metal post.

In one embodiment, the filament includes a substrate, a plurality of light emitting chips electrically connected to the substrate, and a phosphor layer covering the light emitting chips.

In one embodiment, the plurality of light emitting chips are arranged in two rows in the length direction of the substrate, and the light emitting chips are arranged in a staggered manner in the width direction of the substrate.

In one embodiment, the light emitting chips are sequentially connected in series, or the light emitting chips in the same row are connected in series, and the light emitting chips in different rows are connected in parallel.

In one embodiment, the width of the substrate is 2-6 mm.

In one embodiment, the metal post and the metal guide bar are electrically connected to the driving assembly through a wire.

In one embodiment, the envelope is filled with an inert gas.

In one embodiment, the lamp cap assembly comprises a threaded lamp cap and a drawing pin, the drawing pin is arranged at the top of the threaded lamp cap in an insulating mode, and the drawing pin and the threaded lamp cap are respectively and electrically connected with the driving assembly.

The application provides a lamps and lanterns's beneficial effect lies in: through setting up the filament slope and be 10-30 with the contained angle of metal post for many filaments and metal post are the turriform structure, and the summit of turriform structure is close to the top of cell-shell, thereby has increased the middle part and the top light-emitting of lamps and lanterns, makes illumination inhomogeneous phenomena such as dark spot can not appear at the lamps and lanterns top, and the setting simple structure of metal post simultaneously, filament slope become straight line simple to operate, make the lamps and lanterns of this application have illumination advantage even, simple structure and simple to operate.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic cross-sectional structural diagram of a lamp provided in an embodiment of the present application;

fig. 2 is an exploded schematic view of a lamp according to an embodiment of the present disclosure;

fig. 3 is a schematic view of a fixation structure of a filament in a lamp provided in an embodiment of the present application;

fig. 4 is a schematic top view illustrating two rows of chips of a filament connected in parallel in a lamp according to an embodiment of the present disclosure;

fig. 5 is a schematic top view illustrating two rows of chips of a filament of a lamp sequentially connected in series according to an embodiment of the present disclosure.

Wherein, in the figures, the respective reference numerals:

1. a lamp head assembly; 11. a screw cap; 12. drawing pins; 2. an insulating sleeve; 3. a drive assembly; 4. a bulb shell; 5. a stem; 6. a filament; 61. a substrate; 62. a light emitting chip; 63. a fluorescent layer; 7. a metal post; 8. a metal guide rod.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

As shown in fig. 1 and fig. 2, a description will now be given of a lamp provided in an embodiment of the present application. The lamp comprises: the bulb lamp comprises a lamp holder assembly 1, an insulating sleeve 2, a driving assembly 3, a bulb shell 4, a core column 5 and a plurality of filaments 6. Wherein, insulating sleeve 2 sets up in lamp holder subassembly 1, drive assembly 3 locates in insulating sleeve 2 and is connected with lamp holder subassembly 1 electricity, insulating sleeve 2 plays insulating protection to drive assembly 3, stem 5 and cell-shell 4 sealing connection, the sealing connection end of cell-shell 4 and stem 5 is connected with lamp holder subassembly 1, the one end that the sealed of stem 5 was located in cell-shell 4 is equipped with metal column 7 and many metal guide rod 8, the length of metal column 7 is greater than the length of metal guide rod 8 and the extending direction of both is different, the quantity of metal guide rod 8 is the same with the quantity of filament 6, metal column 7 and metal guide rod 8 are equallyd divide and are do not connected with drive assembly 3 electricity, the one end electricity of each filament 6 is connected on the one end that the stem 5 was kept away from to metal column 7, the other end electricity of filament 6 is connected on corresponding metal guide rod 8, filament 6 slope sets up and the contained angle alpha of filament 6 and. The filament 6 is a linear filament 6, the angle α is an included angle between an extension line of the filament 6 and an axis of the metal column 7, and the included angle α between each filament 6 and the metal column 7 is the same.

The lamp provided by the embodiment of the application, through setting up 6 slopes of filament and be 10-30 with metal column 7's contained angle alpha, make many filament 6 and metal column 7 wholly be the turriform structure, the summit of turriform structure is close to the top of cell-shell 4, thereby the middle part and the top light-emitting of lamps and lanterns have been increased, make illumination inhomogeneous phenomena such as dark spot can not appear at the lamps and lanterns top, guarantee the light-emitting effect, metal column 7 sets up simple structure simultaneously, filament 6 is the linear type filament, so that the play plain noodles of filament 6 sets up outwards (towards the bulb), simple to operate's advantage has, make the lamp of this application have illumination evenly, simple structure and simple to operate's advantage.

In this embodiment, the metal column 7 and the core column 5 are integrally formed, and the metal guide rod 8 and the core column 5 are integrally formed, that is, a part of the metal column 7 and a part of the metal guide rod 8 are embedded in the core column 5 in the forming process of the core column 5, so that the structural strength is ensured.

In this embodiment the angle alpha between the filament 6 and the metal column 7 is 12-25 deg.. Two ends of the filament 6 are respectively and electrically connected to the metal column 7 and the metal guide rod 8 in a welding mode, and the metal column 7 and the metal guide rod 8 are both nickel rods.

In this embodiment, the plurality of filaments 6 are equally distributed around the metal column 7, so as to avoid mutual interference between adjacent filaments 6 and ensure the uniformity of the light output of each filament 6. In the present embodiment, the number of filaments 6 may be 3, 4, 5, or 6.

In this embodiment, metal column 7 sets up in the centre that lamp holder subassembly 1 one end was kept away from to stem 5, and metal guide 8 sets up on stem 5 around metal column 7, and the diameter of metal column 7 is greater than metal guide 8's diameter, and the one end equal arc distance that stem 5 was kept away from to metal column 7 is equipped with a plurality of constant head tanks, and the effect of constant head tank is the welding efficiency who improves filament 6 welding on metal column 7. Similarly, the metal guide rod 8 is provided with a positioning mark, and the positioning mark is used for improving the welding efficiency of the filament 6 on the metal guide rod 8. For example, the metal guide bar 8 is a round bar, and the positioning marks are squashed spots on the metal guide bar 8. The part of the metal guide rod 8, which is exposed out of the core column 5, is L-shaped, the part of the metal guide rod 8, which is exposed out of the core column 5, is horizontally arranged and is vertical to the length direction of the metal column 7, at the moment, the metal column 7, the metal guide rod 8 and the filament 6 form a right-angled triangle, and the filament 6 is an inclined side.

As shown in fig. 3, in the present embodiment, the filament 6 includes a substrate 61, a plurality of light emitting chips 62 electrically connected to the substrate 61, and a fluorescent layer 63 covering the light emitting chips 62, the light emitting chips 62 are LED chips, and the light emitting chips 62 are soldered to the substrate 61 by reflow soldering. The light emitting chips 62 may emit light of the same color or light of different colors. The specific light emitting color can be realized by changing the kind of the light emitting chip 62 such as blue chip and green chip and changing the kind of the phosphor in the phosphor layer 63 such as yellow phosphor and red phosphor. The substrate 61 is an aluminum substrate, an FPC substrate, or a glass substrate, and the substrate 61 is preferably a glass substrate having light-transmitting properties.

As shown in fig. 4 and 5, in the present embodiment, the plurality of light emitting chips 62 are arranged in two rows in the length direction of the substrate 61, and the light emitting chips 62 are arranged in a staggered manner in the width direction of the substrate 61, that is, the projections of the light emitting chips 62 are not overlapped in the width direction of the substrate 61, and are arranged in a "W" shape in the length direction of the substrate 61, and the light emitting chips 62 are respectively located at the vertexes of the "W". Therefore, light rays between the adjacent light emitting chips 62 are effectively prevented from blocking each other, the absorption of the light rays is reduced, and meanwhile, the light emitting chips 62 are arranged in a staggered mode, so that the heat dissipation efficiency of the filament 6 is improved.

As shown in fig. 4, in this embodiment, two bonding wires are disposed on the substrate 61, each bonding wire connects the light emitting chips 62 in a corresponding row in series, and two ends of the two bonding wires are electrically connected to the metal terminals at two ends of the substrate 61, so that the light emitting chips 62 in the same row are connected in series, and the light emitting chips 62 in different rows are connected in parallel. In other embodiments, as shown in fig. 5, the light emitting chips 62 are serially connected in sequence by one bonding wire.

As shown in FIG. 3, in the present embodiment, the width of the substrate 61 is 2-6 mm. Since the original one row of the light emitting chips 62 is arranged into two rows of the light emitting chips 62, the width of the substrate 61 is relatively increased. Of course, the light emitting chips 62 may be arranged in three or four rows, and at the same time, the width of the substrate 61 is increased. The increased width of the substrate 61 can improve the heat dissipation effect of the filament 6.

As shown in fig. 1 and 2, in the present embodiment, the metal column 7 and the metal guide bar 8 are electrically connected to the driving assembly 3 through one wire, respectively. Before the core column 5 is manufactured, the lead is electrically connected with the corresponding metal column 7 or the metal guide rod 8, and then the lead and the metal column 7 or the joint of the lead and the metal guide rod 8 are embedded in the core column 5 when the core column 5 is manufactured, so that the lead can be prevented from falling off. The other end of the wire is fixed on the driving component 3, and the wire can be electrically connected with the driving component 3 by welding or locking a screw. The driving assembly 3 includes a driving circuit board and various electronic components such as resistors and capacitors disposed on the driving circuit board.

As shown in fig. 1 and 2, in the present embodiment, the bulb 4 is hermetically connected to the end of the stem 5 away from the metal column 7 by high-temperature sintering, and the bulb 4 is filled with an inert gas, which is preferably helium or an inert mixed gas including at least helium.

As shown in fig. 1 and fig. 2, in this embodiment, the lamp holder assembly 1 includes a screw lamp holder 11 and a drawing pin 12, the drawing pin 12 is a metal member, the insulating sleeve 2 is fixed in the screw lamp holder 11, the screw lamp holder 11 is a metal member, an insulating block is arranged in the screw lamp holder 11, the drawing pin 12 is arranged at the top of the screw lamp holder 11 in an insulating manner through the insulating block, the drawing pin 12 and the screw lamp holder 11 are respectively electrically connected with the driving assembly 3, and the lamp holder assembly 1 is used for being electrically connected with a lamp holder of an external power supply. The drawing pin 12 and the screw cap 11 are electrically connected with the driving component 3 through a conducting wire respectively. Or the driving component 3 is provided with a conducting rod, the drawing pin 12 penetrates through the insulating sleeve 2 and then contacts with the conducting rod to realize the electric connection of the drawing pin 12 and the driving component 3, and the threaded lamp cap 11 is electrically connected with the driving component 3 through a conducting wire.

According to the lamp provided by the embodiment of the application, the light emitting chips 62 on the filament 6 are arranged outwards (towards the bulb shell 4), so that the light emitting proportion of the appearance is increased; the included angle alpha between the filament 6 and the metal column 7 is 12-25 degrees, which is beneficial to the light emission from the middle part and the top part of the bulb shell 4 and increases the uniformity of the light emission; many filaments 6 evenly distributed are around metal column 7, avoid mutual interference between adjacent filament 6, guarantee the light-emitting effect.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides a lamp, its characterized in that, includes lamp holder subassembly, insulating sleeve, drive assembly, cell-shell, stem and many filaments, drive assembly locates in the insulating sleeve and with lamp holder subassembly electricity is connected, the stem is sealed to be located one end in the cell-shell is equipped with metal post and many metal guide rods, the metal post with the metal guide rod all with drive assembly electricity is connected, each the one end electricity of filament is connected the metal post is kept away from one of stem is served, the other end electricity of filament is connected correspondingly on the metal guide rod, the filament slope set up and with the contained angle of metal post is 10-30.

2. A lamp as claimed in claim 1, characterized in that said angle is 12-25 °.

3. The lamp of claim 1, wherein a plurality of said filaments are equally distributed around said metal post.

4. The lamp of claim 1, wherein the filament comprises a substrate, a plurality of light emitting chips electrically connected to the substrate, and a phosphor layer covering the light emitting chips.

5. The lamp of claim 4, wherein the plurality of light emitting chips are arranged in two rows in a length direction of the substrate, and the light emitting chips are arranged in a staggered manner in a width direction of the substrate.

6. The lamp of claim 5, wherein the light emitting chips are sequentially connected in series, or wherein the light emitting chips in a same row are connected in series and the light emitting chips in a different row are connected in parallel.

7. The luminaire of claim 4, wherein the width of the substrate is 2-6 mm.

8. The lamp of any of claims 1-7, wherein the metal posts and the metal guide rods are electrically connected to the driving assembly by wires.

9. A lamp as claimed in any one of claims 1 to 7, characterized in that the envelope is filled with an inert gas.

10. The lamp of any one of claims 1-7, wherein the lamp head assembly comprises a threaded lamp head and a drawing pin, the drawing pin is arranged on the top of the threaded lamp head in an insulated mode, and the drawing pin and the threaded lamp head are respectively and electrically connected with the driving assembly.