CN213299646U

CN213299646U - Filament lamp

Info

Publication number: CN213299646U
Application number: CN202021596551.6U
Authority: CN
Inventors: 傅明燕; 陈小波
Original assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Current assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-05-28
Anticipated expiration: 2030-08-04

Abstract

The application provides a filament lamp, including the cell-shell, drive module, the stem, filament and lamp holder subassembly, the lamp holder subassembly includes the metal lamp body, the metal thumb pin on the insulating block is located to insulating block and rotation, drive module locates in the metal lamp body, be equipped with the dial switch who is connected with the drive module electricity and is used for adjusting the colour temperature of filament in the metal lamp body, dial switch includes the switch body and locates a plurality of metal shrapnels on the switch body, a plurality of metal shrapnels are circular array interval setting, each metal shrapnel corresponds different colour temperature gears, the one end of metal thumb pin extends to switch body department and can be connected with each metal shrapnel electricity alone, the other end of metal thumb pin is equipped with the rotatory operation portion of metal thumb pin with the drive with external instrument cooperation, metal thumb pin can be connected with the metal shrapnel electricity of difference alone when rotatory. The color temperature can be adjusted only by adding one dial switch, so that the filament lamp has the advantages of low cost and adjustable color temperature, and can be popularized in a large scale.

Description

Filament lamp

Technical Field

The application belongs to the technical field of lamps and lanterns, more specifically says, relates to a filament lamp.

Background

With the continuous improvement of the performance and the quality of the LED filament lamp, the cost performance is continuously improved, and a large number of LED bulbs enter areas such as markets, hotels, houses and the like, so that the LED filament lamp becomes a dominant product for daily illumination and decorative illumination at present.

At present, the conventional LED filament lamp in the market is produced according to rated power, and after the production is finished, the color temperature of the LED filament lamp cannot be adjusted, which is not beneficial to the diversified development of the LED filament lamp. Although at present, a small number of specific LED filament lamps can adjust the color temperature through an external intelligent switch, the cost is higher due to the addition of the intelligent switch and related parts, and the LED filament lamps cannot be popularized and applied in a large quantity because the LED filament lamps do not meet the requirement of pursuing low-cost development of bulbs.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of this application is to provide a filament lamp to there is the high technical problem of colour temperature adjustment cost in the filament lamp among the solution prior art.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the lamp holder assembly comprises a metal lamp shell, an insulating block arranged in the metal lamp shell and a metal drawing pin which is rotatably arranged on the insulating block and is insulated from the metal lamp shell, the driving module is arranged in the metal lamp shell, a dial switch which is electrically connected with the driving module and is used for adjusting the color temperature of the lamp filament is arranged in the metal lamp shell, the dial switch comprises a switch body and a plurality of metal elastic sheets arranged on the switch body, the metal elastic sheets are arranged in a circular array at intervals, each metal elastic sheet corresponds to different color temperature gears, one end of the metal drawing pin extends to the switch body and can be independently and electrically connected with each metal elastic sheet, and the other end of the metal drawing pin is provided with an operating part which is matched with an external tool to drive the metal drawing pin to rotate, the metal drawing pin can be independently and electrically connected with different metal elastic sheets when rotating.

In one embodiment, the metal drawing pin comprises a drawing cap, a rotating column and a connecting column which are integrally formed and connected in sequence, the drawing cap is located on the outer side of the metal lamp shell, the rotating column is rotatably connected with the insulating block, and the connecting column extends to the switch body and is electrically connected with each metal elastic sheet separately.

In one embodiment, a first rotating hole is formed in the center of the switch body, a first protruding portion is formed on the metal elastic sheet, the first protruding portion extends into the first rotating hole in the radial direction, the connecting column is inserted into the first rotating hole in a clearance mode, the connecting column is arranged in a clearance mode with the first protruding portions, a second protruding portion is formed on the connecting column, and the second protruding portion is in close contact with only one of the first protruding portions at a time.

In one embodiment, the first protrusion is provided with an arc-shaped groove, the second protrusion is a convex strip radially protruding from the connecting column, and the convex strip is clamped in the arc-shaped groove.

In one embodiment, the center of the switch body is provided with a second rotating hole which is coaxial with the first rotating hole, the diameter of the second rotating hole is smaller than that of the first rotating hole, and the connecting column passes through the first rotating hole in a clearance mode and then rotates in a damping mode with the second rotating hole.

In one embodiment, the metal elastic sheet is an arc-shaped elastic sheet, and the switch body is provided with slots for inserting two ends of each metal elastic sheet.

In one embodiment, an insulating lining is arranged in the metal lamp shell, the driving module is arranged in the insulating lining, the dial switch is arranged on the driving module, a through hole for the connecting column to pass through is formed in one end, close to the metal drawing pin, of the insulating lining, a mounting hole is formed in the insulating block, and the rotating column is arranged in the mounting hole in a damping rotating mode.

In one embodiment, an insulating lining is arranged in the metal lamp housing, the driving module is arranged in the insulating lining, an adapter plate electrically connected with the driving module is arranged in the insulating lining, and the dial switch is arranged on the adapter plate.

In one embodiment, the operating portion is a cross slot or a straight slot provided on the metal drawing pin.

In one embodiment, color temperature gear marks corresponding to the metal elastic sheets one to one are arranged on the outer surface of the insulating block or the metal lamp housing, and an indication arrow is arranged on the operating portion and can rotate to point to each color temperature gear mark.

The application provides a filament lamp's beneficial effect lies in: through increase the dial switch of being connected with the drive module electricity in lamp holder subassembly, and with the rotatory setting of metal thumb pin and with each metal shrapnel electricity alone connection of dial switch, when the colour temperature of filament is adjusted to needs, only need drive the metal thumb pin rotation through external instrument and operation portion cooperation, make the metal thumb pin be connected with the metal shrapnel electricity of different colour temperature gears and can realize the colour temperature regulation of filament, compared with the prior art, only need increase a dial switch can, make the filament lamp of this application have the cost advantage lower relatively and adjustable colour temperature, can promote in a large number.

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 overall structure diagram of a filament lamp provided in an embodiment of the present application;

fig. 2 is a schematic cross-sectional view of a filament lamp according to an embodiment of the present application;

fig. 3 is an exploded view of a filament lamp according to an embodiment of the present disclosure;

fig. 4 is a schematic view of an assembly structure of a metal drawing pin and a dial switch in the filament lamp according to the embodiment of the present application;

fig. 5 is a schematic structural view of a dial switch in a filament lamp provided in an embodiment of the present application without a metal dome;

fig. 6 is a schematic structural diagram of a lamp head assembly in a filament lamp according to an embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

1. a bulb shell; 2. a drive module; 3. a stem; 31. a first metal conductive rod; 32. a second metal conductive rod; 4. a filament; 5. a lamp head assembly; 51. a metal lamp housing; 511. color temperature gear identification; 52. an insulating block; 521. mounting holes; 53. a metal drawing pin; 531. a drawing cap; 532. rotating the column; 533. connecting columns; 5331. a second projection; 54. an operation section; 541. an arrow is indicated; 6. a dial switch; 61. a switch body; 611. a first rotation hole; 612. a second rotation hole; 613. a slot; 62. a metal spring sheet; 621. a first projecting portion; 622. an arc-shaped groove; 7. an insulating liner; 71. and a through hole.

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.

A description will now be given of a filament lamp provided in an embodiment of the present application, as shown in fig. 1 to 3. The filament lamp comprises a bulb shell 1, a driving module 2, a core column 3, a filament 4 and a lamp holder assembly 5. The core column 3 and the filament 4 are arranged in the bulb shell 1, the driving module 2 is arranged in the lamp holder assembly 5, and the bulb shell 1 is fixedly connected with the lamp holder assembly 5. Specifically, in the present embodiment, a first metal conducting rod 31 and a second metal conducting rod 32 are disposed at intervals along the length direction of the stem 3, the first metal conducting rod 31 and the second metal conducting rod 32 are electrically connected to the driving module 2 through conducting wires, respectively, and two ends of the filament 4 are electrically connected to the first metal conducting rod 31 and the second metal conducting rod 32, respectively. In this embodiment, the filament 4 is a multi-color-temperature LED light bar, that is, the filament 4 is provided with three red, blue and green light-emitting LED chips, wherein the number of the filament 4 is the same as the number of the first metal conducting rod 31 and the second metal conducting rod 32, and in this embodiment, the filament 4 is provided with four strips at equal intervals around the stem 3. The driving module 2 includes a circuit board and electronic components disposed on the circuit board, and the driving module 2 is a conventional driving module 2 of a filament lamp and a circuit control center of the filament lamp, which will not be described in detail herein.

As shown in fig. 2, 3 and 6, in the present embodiment, the lamp cap assembly 5 includes a metal lamp housing 51, an insulating block 52 disposed in the metal lamp housing 51, and a metal drawing pin 53 rotatably disposed on the insulating block 52 and insulated from the metal lamp housing 51, wherein the insulating block 52 is a plastic block or a rubber block or a ceramic block. In this embodiment, the metal lamp housing 51 is a screw-thread metal lamp holder, the insulating block 52 and the metal lamp housing 51 are integrally formed, the driving module 2 is disposed in the metal lamp housing 51, the dial switch 6 electrically connected to the driving module 2 and used for adjusting the color temperature of the filament 4 is disposed in the metal lamp housing 51, and the color temperature of the filament 4 is adjusted by changing the current flowing through the filament 4 through the dial switch 6.

As shown in fig. 2-4, in the present embodiment, the dial switch 6 includes a switch body 61 and a plurality of metal elastic pieces 62 disposed on the switch body 61, the metal elastic pieces 62 are arranged in a circular array at intervals, and each metal elastic piece 62 is electrically connected to the switch body 61 and has different resistances, so that the currents flowing through the metal elastic pieces are different, thereby realizing that each metal elastic piece 62 corresponds to different color temperature gears.

As shown in fig. 4-6, one end of the metal drawing pin 53 extends to the switch body 61 and can be electrically connected with each metal elastic sheet 62 separately, the other end of the metal drawing pin 53 is provided with an operation portion 54 which is matched with an external tool to drive the metal drawing pin 53 to rotate, the operation portion 54 is arranged to ensure that the metal drawing pin 53 can rotate only under the matching of the external tool, so as to ensure the stability of color temperature adjustment of the filament lamp, and the metal drawing pin 53 can be electrically connected with different metal elastic sheets 62 separately when rotating. Specifically, when the metal drawing pin 53 rotates at different angles, the metal drawing pin is electrically connected with only one metal elastic sheet 62, so that the color temperature can be adjusted. In this embodiment, one end of the metal drawing pin 53 is electrically connected to an external power source, and the other end is electrically connected to the metal spring piece 62 to electrically connect to the driving module 2. In this embodiment, the filament lamp is a dc filament lamp.

The embodiment of the application provides a filament lamp, dial-up switch 6 through increasing in lamp holder subassembly 5 and being connected with drive module 2 electricity, and with the rotatory setting of metal thumb pin 53 and with each metal shrapnel 62 electricity alone connection of dial-up switch 6, when the colour temperature of filament 4 needs to be adjusted, only need to drive metal thumb pin 53 rotatory through external instrument and operation portion 54 cooperation, make metal thumb pin 53 and the metal shrapnel 62 electricity of different colour temperature gears be connected and can realize the colour temperature regulation of filament 4, compare with prior art, only need increase one dial-up switch 6 can, make the filament lamp of this application have the advantage that the cost is lower relatively and the colour temperature is adjustable, can carry out a large amount of popularization.

As shown in fig. 4-6, in the present embodiment, the metal drawing pin 53 includes a cap 531, a rotary column 532 and connecting columns 533, which are integrally formed and connected in sequence, wherein the cap 531 is located outside the metal lamp housing 51, the rotary column 532 is rotatably connected to the insulating block 52, and the connecting columns 533 extend to the switch body 61 and are electrically connected to each metal elastic sheet 62 separately. In this embodiment, the diameter of the rotating column 532 is larger than the diameter of the connecting column 533, so long as it can ensure that the connecting column 533 can be normally and individually electrically connected to each metal elastic piece 62 when rotating.

As shown in fig. 4-6, in this embodiment, a first rotating hole 611 is formed in the center of the switch body 61, a first protrusion 621 is formed on the metal elastic sheet 62, the first protrusion 621 radially extends into the first rotating hole 611, one end of the connecting rod 533 far away from the rotating rod 532 is inserted into the first rotating hole 611 with a gap, a portion of the connecting rod 533 inserted into the first rotating hole 611 is disposed with a gap with each first protrusion 621, that is, the connecting rod 533 is not in contact with each metal elastic sheet 62, a second protrusion 5331 is formed on the connecting rod 533, the second protrusion 5331 is only in close contact with the first protrusion 621 on one metal elastic sheet 62 at a time, and when the second protrusion 5331 is in close contact with the first protrusion 621, the metal drawing pin 53 is electrically connected to the metal elastic sheet 62. The second protrusion 5331 is provided to ensure that the connecting post 533 is in contact with only one metal spring 62 at a time. In this embodiment, the surface of the first protruding portion 621 close to the second protruding portion 5331 is an outward protruding arc surface, and the second protruding portion 5331 and the first protruding portion 621 are in interference fit, so that when the second protruding portion 5331 rotates to the first protruding portion 621, the first protruding portion 621 can be gradually pressed and slightly elastically deformed, and thus the contact stability of the first protruding portion 621 and the second protruding portion 5331 is ensured, and the stability of the electrical connection performance is ensured.

As shown in fig. 4-6, in the present embodiment, the first protrusion 621 is provided with an arc-shaped groove 622, the second protrusion 5331 is a convex strip radially protruding from the connecting post 533, an outer surface of the convex strip is arc-shaped, and the convex strip is clamped in the arc-shaped groove 622. The setting of arc recess 622 guarantees the stability of second bulge 5331 and the contact of first bulge 621 on the one hand to guarantee that metal drawing pin 53 stops the stability at current colour temperature gear, on the other hand still has screens effect and warning effect, after second bulge 5331 elasticity supported and pressed first bulge 621 to warp to arc recess 622, if continue to rotate, then need exert great turning force to metal drawing pin 53, remind the corresponding colour temperature gear of user to adjust in place this moment.

As shown in fig. 4-6, in the present embodiment, the center of the switch body 61 is disposed in the second rotating hole 612 coaxial with the first rotating hole 611, the diameter of the second rotating hole 612 is smaller than the diameter of the first rotating hole 611, an end of the connecting rod 533 far away from the rotating rod 532 passes through the first rotating hole 611 with a gap and then damps rotation with the second rotating hole 612, and the second protrusion 5331 only extends into the first rotating hole 611. The connecting post 533 and the second rotating hole 612 are rotationally damped to ensure the stability of the metal drawing pin 53 staying at the current position. Because metal lamp body 51 is the screw thread lamp holder, when metal lamp body 51 and lamp stand carried out the screw thread installation, the filament lamp is installed when targetting in place soon, can provide certain rotatory frictional force to metal thumb pin 53, and the damping through metal thumb pin 53 and switch body 61 rotates and the screens effect of metal thumb pin 53 and metal shrapnel 62, can effectively guarantee metal lamp body 51 in screw thread installation, metal thumb pin 53 can not take place rotatoryly, thereby guarantee that the colour temperature of filament lamp can not appear the phenomenon of change in the installation.

As shown in fig. 4-6, in the present embodiment, the metal elastic sheet 62 is an arc-shaped elastic sheet, the first protrusion 621 is disposed on the arc-shaped top of the metal elastic sheet 62, and the switch body 61 is provided with slots 613 for inserting two ends of each metal elastic sheet 62. That is, two ends of the metal elastic sheet 62 are inserted into the slots 613 of the switch body 61 and then electrically connected to the switch body 61, and the first protrusion 621 radially protrudes out of the first rotating hole 611. Specifically, the slot 613 is an "S" slot, one end of the slot 613 is communicated with the first rotating hole 611, and the metal elastic sheet 62 is also provided with an "S" section matched with the slot 613, so as to ensure the installation stability of the metal elastic sheet 62 and the switch body 61. In other embodiments, the metal elastic sheet 62 is an L-shaped hook-shaped elastic sheet, and the shape of the metal elastic sheet 62 is not particularly limited as long as the metal elastic sheet 62 can be fixed on the switch body 61 and has the first protrusion 621. The first protrusion 621 can be elastically deformed.

As shown in fig. 4-6, in the present embodiment, an insulating lining 7 is disposed in the metal lamp housing 51, the driving module 2 is disposed in the insulating lining 7, the dial switch 6 is electrically connected to the driving module 2, the insulating lining 7 is a cylindrical cover with an opening at one end, and a through hole 71 for passing the connection post 533 is disposed at one end of the insulating lining 7 close to the metal drawing pin 53. The insulating lining 7 is a plastic part, and the insulating lining 7 is used for insulating and isolating the metal lamp housing 51 and the driving module 2. In other embodiments, an adapter plate is arranged in the insulating lining 7, the adapter plate is electrically connected with the driving module 2 through a pin header or a wire, the dial switch 6 is arranged on the adapter plate, the arrangement of the adapter plate can increase the distance between the driving module 2 and the metal drawing pin 53, and the safety detection of the filament lamp is ensured to be normal.

As shown in fig. 4-6, in the present embodiment, the insulation block 52 is provided with a mounting hole 521, and the rotation column 532 is rotatably mounted in the mounting hole 521. The rotary column 532 is connected with the insulating block 52 in a damping mode, so that the metal drawing pin 53 is further ensured to rotate only by being matched with an external tool, and the color temperature gear of the dial switch 6 is ensured not to be changed easily. The damping rotation between the rotation post 532 and the insulation block 52 can be achieved by sleeving a rubber ring on the rotation post 532.

As shown in fig. 1, 4 and 6, in the present embodiment, the operation portion 54 is a cross groove or a straight groove provided in the metal drawing pin 53, specifically, the operation portion 54 is provided on the outer surface of the cap 531, and the operation portion 54 is provided with an indication arrow 541, and the indication arrow 541 is a pointed end of one end of the cross groove or the straight groove.

As shown in fig. 1 and 6, color temperature step marks 511 corresponding to the metal elastic sheets 62 one by one are disposed on the outer surface of the insulating block 52 or the metal lamp housing 51, the indication arrow 541 can rotate to point to each color temperature step mark 511, the color temperature step marks 511 can be digital marks, character marks or letter marks, and the color temperature step marks 511 facilitate a user to directly confirm the color temperature state of the filament lamp. In this embodiment, the color temperature of the filament lamp needs to be adjusted before installation, and the filament lamp is installed on the lamp holder after the color temperature is adjusted to the required "color temperature gear". In this embodiment, the number of the metal elastic pieces 62 is three, and then the color temperature gear indicator 511 is also three. The number of the metal elastic pieces 62 is at least two, and the number of the metal elastic pieces can be correspondingly increased according to the user requirements.

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. A filament lamp comprises a bulb shell, a driving module, a core column, a filament and a lamp holder assembly, and is characterized in that the lamp holder assembly comprises a metal lamp shell, an insulating block arranged in the metal lamp shell and a metal drawing pin which is rotatably arranged on the insulating block and insulated from the metal lamp shell, the driving module is arranged in the metal lamp shell, a dial switch which is electrically connected with the driving module and used for adjusting the color temperature of the filament is arranged in the metal lamp shell, the dial switch comprises a switch body and a plurality of metal spring pieces arranged on the switch body, the metal spring pieces are arranged in a circular array at intervals, each metal spring piece corresponds to different color temperature gears, one end of the metal drawing pin extends to the switch body and is electrically connected with each metal spring piece separately, and the other end of the metal drawing pin is provided with an operating part which is matched with an external tool to drive the metal drawing pin to rotate, the metal drawing pin can be independently and electrically connected with different metal elastic sheets when rotating.

2. The filament lamp according to claim 1, wherein the metal drawing pin comprises a drawing cap, a rotating post and a connecting post, wherein the drawing cap, the rotating post and the connecting post are integrally formed and sequentially connected, the drawing cap is located on the outer side of the metal lamp shell, the rotating post is rotatably connected with the insulating block, and the connecting post extends to the switch body and is separately and electrically connected with each metal elastic sheet.

3. The filament lamp according to claim 2, wherein the switch body has a first rotation hole at the center thereof, the metal spring has a first protrusion extending radially into the first rotation hole, the connection post is inserted into the first rotation hole with a gap therebetween, the connection post is disposed with a gap therebetween, the connection post has a second protrusion disposed thereon, and the second protrusion is in close contact with only one of the first protrusions at a time.

4. The filament lamp according to claim 3, wherein the first protrusion has an arc-shaped groove, the second protrusion is a protrusion protruding radially from the connecting post, and the protrusion is engaged with the arc-shaped groove.

5. The filament lamp according to claim 3, wherein the switch body has a center formed in a second rotation hole coaxial with the first rotation hole, the second rotation hole has a diameter smaller than that of the first rotation hole, and the connection post gap passes through the first rotation hole and damps rotation with the second rotation hole.

6. The filament lamp according to claim 4, wherein the metal spring is an arc spring, and the switch body is provided with slots for inserting two ends of each metal spring.

7. The filament lamp according to claim 4, wherein an insulating lining is disposed in the metal lamp housing, the driving module is disposed in the insulating lining, the dial switch is disposed on the driving module, a through hole for the connection post to pass through is disposed at an end of the insulating lining near the metal drawing pin, a mounting hole is disposed on the insulating block, and the rotation post is rotatably disposed in the mounting hole in a damping manner.

8. The filament lamp according to claim 1, wherein an insulating lining is disposed in the metal lamp housing, the driving module is disposed in the insulating lining, an adapter plate electrically connected to the driving module is disposed in the insulating lining, and the dial switch is disposed on the adapter plate.

9. The filament lamp according to any one of claims 1 to 8, wherein the operation portion is a cross groove or a straight groove provided on the metal drawing pin.

10. The filament lamp according to claim 9, wherein color temperature shift marks corresponding to the metal spring pieces are provided on an outer surface of the insulating block or the metal lamp housing, and an indicating arrow is provided on the operation portion, and the indicating arrow is rotatable to point at each of the color temperature shift marks.