CN213394690U - Multi-color-temperature filament and lamp - Google Patents

Abstract

The utility model relates to the technical field of lighting technology, a polychrome temperature filament and lamps and lanterns is provided, this polychrome temperature filament includes that base plate, electricity are connected and locates many LED chips on the base plate and cover each the transparent silica gel layer of LED chip is many the LED chip is in follow on the base plate the length direction of base plate is one row of setting, many the LED chip falls into two kind at least colour temperature groups that have different colour temperatures, with each of colour temperature establish ties between the colour temperature group, each of different colour temperatures parallelly connected between the colour temperature group. Compared with the prior art, the LED chips on the substrate are only arranged in one row, so that the width size of the filament is effectively ensured to be small, the cost is saved, the attractiveness of the filament is ensured, and the plurality of LED chips on the substrate are divided into color temperature sets with different color temperatures, so that the multicolor temperature adjustment of the filament is realized, and the multicolor temperature filament has the advantages of small width size, low cost, good attractiveness and multicolor temperature adjustment.

Description

Multi-color-temperature filament and lamp

Technical Field

The application belongs to the technical field of lighting, and more specifically relates to a multi-color temperature filament and a lamp.

Background

At present, the LED lamp is widely used due to the advantages of low energy consumption, long service life and the like. The LED lamp generally includes a lamp cap, a driver, a stem, a bulb, and a filament, which may be a flexible filament or a non-flexible filament.

The filament generally includes the base plate and welds the LED chip on the base plate, in order to realize the multiple colour temperature of filament and adjust, generally can set up the LED chip that the multichannel is parallel arrangement on the base plate, and the LED chip on same way is established ties in proper order, can lead to the width broad of base plate like this to the width size that leads to whole filament is big on the large side, and the width of filament still can influence its self installation, cost and influence the outward appearance of LED lamp.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of this application is to provide a filament to solve among the prior art multicolor temperature filament and need parallel arrangement multichannel LED chip and lead to the technical problem that filament width size is bigger than normal.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the utility model provides a many color temperature filament, locate including base plate, electricity connection many LED chips on the base plate and cover each the transparent silica gel layer of LED chip is many the LED chip is in follow on the base plate the length direction of base plate is one row of setting, many the LED chip falls into at least two kinds and has the colour temperature group of different colour temperatures, with the colour temperature each establish ties between the colour temperature group, each of different colour temperatures parallelly connected between the colour temperature group.

In one embodiment, one end of the substrate is provided with a common electrode plate electrically connected with each color temperature set, the other end of the substrate is provided with the same number of sub-electrode plates as the color temperature sets with different color temperatures, and each sub-electrode plate is electrically connected with the corresponding color temperature set with different color temperatures.

In one embodiment, the color temperature sets include at least one of the LED chips, the LED chips are blue LED chips, the blue LED chips are covered with a fluorescent layer, and the fluorescent layers covered on the blue LED chips of different color temperature sets are different.

In one embodiment, the color temperature set at least comprises three LED chips, wherein at least three LED chips are a red LED chip, a green LED chip and a blue LED chip, and the LED chips are connected in series or in parallel.

In one embodiment, when the number of the sub-pole pieces is two, the included angle between the two sub-pole pieces is 0 to 180 °, when the number of the sub-pole pieces at least includes three sub-pole pieces, the included angle between the two sub-pole pieces positioned at two sides is 0 to 180 °, and the sub-pole piece positioned in the middle is arranged in parallel with the length direction of the substrate.

In one embodiment, based on the width direction of the substrate, of the at least two polarization splitting plates, the two polarization splitting plates on two sides are obliquely arranged in an outward splayed shape relative to the length direction of the substrate.

In one embodiment, based on the width direction of the substrate, two of the at least two sub-pole pieces on two sides include a horizontal section and an inclined section, the horizontal section is arranged in parallel relative to the length direction of the substrate, and the two inclined sections are in an outward splayed shape.

In one embodiment, the LED chips are normal mounted chips, and the anode and cathode of each LED chip are electrically connected to the substrate by a gold wire; or the LED chips are flip chips, and the positive electrode and the negative electrode of each LED chip are electrically connected to the substrate through soldering tin.

Another object of the present application is to provide a lamp including a cap assembly, an insulating sleeve, a driving assembly, a bulb, a stem, and the multi-color-temperature filament as described above.

In one embodiment, the filament is helically disposed around the stem; or, metal post and metal guide arm on the stem, the one end electricity of filament is connected on the metal post, the other end electricity of filament is connected the metal guide arm, the filament slope set up and with the contained angle of metal post is the acute angle.

The application provides a pair of polychrome temperature filament and lamps and lanterns's beneficial effect lies in: compared with the prior art, many LED chips on the base plate only are provided with one row, and the width dimension who has effectively guaranteed the filament like this is little, has practiced thrift the cost and has guaranteed the aesthetic property of filament to many LED chips on the base plate divide into the colour temperature group of multiple different colour temperatures, and parallelly connected the setting on the base plate between the colour temperature group of different colour temperatures, thereby realize the polychrome temperature regulation of this filament, make this filament have width dimension little, with low costs, the aesthetic property is good and the advantage of polychrome temperature regulation.

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 front plan view of a filament provided in an embodiment of the present application;

fig. 2 is a schematic top plan view of a filament having two sets of color temperature sets with different color temperatures according to an embodiment of the present disclosure;

fig. 3 is a schematic top view of a filament having three color temperature sets with different color temperatures according to an embodiment of the present disclosure;

fig. 4 is a schematic view of a distribution structure of two separated pole pieces in a filament according to an embodiment of the present disclosure;

fig. 5 is a schematic diagram illustrating a distribution structure of two segments including a horizontal segment and an inclined segment in a filament according to an embodiment of the present disclosure;

fig. 6 is a schematic diagram of a distribution structure of three divided pole pieces in a filament according to an embodiment of the present application;

fig. 7 is a schematic cross-sectional structural diagram of a lamp in which a filament is obliquely arranged according to an embodiment of the present disclosure;

fig. 8 is a schematic structural diagram of a spiral filament arrangement in a lamp provided in an embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

10. a multi-color filament; 11. a substrate; 111. a common pole piece; 112. dividing pole pieces; 1121. a horizontal segment; 1122. an inclined section; 12. an LED chip; 13. a transparent silica gel layer; 14. a first color temperature set; 15. a second color temperature set; 16. a third color temperature set; 20. a lamp head assembly; 30. an insulating sleeve; 40. a drive assembly; 50. a bulb shell; 60. a stem; 70. a metal post; 80. 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.

Referring to fig. 1 and 2, a description will now be given of a multi-color temperature filament provided in an embodiment of the present application. This multi-color temperature filament 10 includes base plate 11, the electricity is connected and is located many LED chips 12 on base plate 11 and covers the transparent silica gel layer 13 of each LED chip 12, wherein, many LED chips 12 are one row of setting on base plate 11's length direction, a plurality of LED chips 12 divide into at least two kinds and have the colour temperature group of different colour temperatures, the colour temperature group with the colour temperature can set up the multiunit, and establish ties between the colour temperature group with the colour temperature, parallelly connected between the colour temperature group of different colour temperatures, realize the colour temperature through the electric current that passes through on the LED chip 12 that changes each colour temperature group and adjust.

The embodiment of the application provides a multi-color temperature filament, compared with the prior art, many LED chips 12 on the base plate 11 only are provided with one row, the width dimension who has effectively guaranteed multi-color temperature filament 10 like this is little, with low costs, the beautiful advantage of outward appearance, and many LED chips 12 on the base plate 11 fall into the colour temperature group of multiple different colour temperatures, it is parallelly connected between the colour temperature group of different colour temperatures, thereby realize this multi-color temperature regulation of multi-color temperature filament 10, guarantee multi-color temperature filament 10's colour mixture effect, make the multi-color temperature filament of this embodiment have width dimension little, multi-color temperature is adjusted, the colour mixture is effectual and keep the filiform pleasing to the eye advantage of filament.

As shown in fig. 2, in this embodiment, each color temperature set at least includes one LED chip 12, the LED chip 12 is a blue LED chip, the blue LED chip is covered with a fluorescent layer, the fluorescent layers covered on the blue LED chips 12 of the color temperature sets with different color temperatures are different, and different fluorescent layers can emit different color temperatures, the fluorescent layers are different in that they contain different fluorescent powders, which can be 2200K, 2700K, 4500K, 6500K or other fluorescent powders with illumination color temperatures, and different color temperature adjustments can be realized through different fluorescent layers, so as to realize multiple color temperature adjustments of the multi-color temperature filament. In other embodiments, each color temperature set at least includes three LED chips 12, and the at least three LED chips 12 are a red LED chip, a green LED chip, and a blue LED chip, respectively, so that different color temperature adjustments can be realized by using the RGB three-color principle. When the color temperature set includes four LED chips 12, the four LED chips 12 are a red LED chip, a green LED chip, a blue LED chip, and a white LED chip, respectively, so that the brightness can be increased. When the color temperature set includes five LED chips 12, the five LED chips 12 are respectively a red LED chip, a green LED chip, a blue LED chip, a white LED chip, and a yellow LED chip, so that the color gamut can be improved.

In the present embodiment, the LED chips 12 of the same color temperature set include at least two, the LED chips 12 of the same color temperature set are connected in series, and in other embodiments, the LED chips 12 of the same color temperature set are connected in parallel.

Specifically, in the present embodiment, there are two color temperature sets with different color temperatures, as shown in fig. 2, the two color temperature sets with different color temperatures are a first color temperature set 14 and a second color temperature set 15, the first color temperature set 14 and the second color temperature set 15 are both provided in plurality, and the first color temperature set 14 and the second color temperature set 15 are alternately arranged at intervals, which is beneficial to ensuring the color mixing effect of the first color temperature set 14 and the second color temperature set 15. A plurality of first color temperature groups 14 are established ties, a plurality of second color temperature groups 15 are established ties, first color temperature group 14 and second color temperature group 15 are parallelly connected, every color temperature group includes a plurality of LED chips 12, a plurality of LED chips 12 are established ties or are parallelly connected, the color temperature regulation effect that a plurality of LED chips 12 in the color temperature group establish ties or parallelly connected reach is different, can make the mode of color temperature regulation more like this, guarantees that the colour mixture effect of polychrome warm filament 10 is better.

Specifically, as shown in fig. 3, in the present embodiment, three color temperature sets of different color temperatures are provided, and the three color temperature sets of different color temperatures are the first color temperature set 14, the second color temperature set 15, and the third color temperature set 16, respectively. The first color temperature group 14, the second color temperature group 15, and the third color temperature group 16 are sequentially and alternately arranged at intervals, or the first color temperature group 14, the third color temperature group 16, and the second color temperature group 15 are sequentially and alternately arranged, or the first color temperature group 14, the second color temperature group 15, and the third color temperature group 16 are alternately arranged in one group, two groups, or three groups, specifically, the arrangement and number of the first color temperature group 14, the second color temperature group 15, and the third color temperature group 16 may be changed according to actual requirements, and are not limited to the above-described cases.

As shown in fig. 2, in the present embodiment, a common electrode 111 electrically connected to each color temperature set is disposed at one end of the substrate 11, the same number of polarization plates 112 as the color temperature sets of different color temperatures are disposed at the other end of the substrate 11, and each polarization plate 112 is electrically connected to the corresponding color temperature set of different color temperature. The purpose of setting up like this is to replace a plurality of branch pole pieces 112 with a public pole piece 111, effectively reduces the quantity of branch pole piece 112 to reduce production processes, improve production efficiency. The common electrode plate 111 is the positive electrode of the multi-color temperature filament 10, the branch electrode plate 112 is the negative electrode of the multi-color temperature filament 10, the substrate 11 is provided with a plurality of printed circuits, the number of the printed circuits is the same as the number of color temperature groups with different color temperatures, the printed circuits are connected in parallel, one end of each printed circuit is electrically connected to the common electrode plate 111, the other end of each printed circuit is electrically connected to the corresponding branch electrode plate 112, and the LED chips 12 are electrically connected to the printed circuits at intervals.

As shown in fig. 2, 4 and 5, when the color temperature sets of different color temperatures are two, two sub-pole pieces 112 are provided, an included angle between the two sub-pole pieces 112 is 0 to 180 °, and the two sub-pole pieces 112 may be arranged in parallel at intervals with respect to the length direction of the substrate 11 or perpendicularly with respect to the length direction of the substrate 11. Preferably, the two sub-pole pieces 112 are arranged obliquely with respect to the length direction of the substrate 11, and the inclination angle is 0 to 90 °, so that the connection of the sub-pole pieces 112 is facilitated.

As shown in fig. 3 and 6, when the color temperature sets of different color temperatures are at least three, the number of the polarization splitter 112 includes at least three polarization splitter pieces, wherein the included angle between the two polarization splitter pieces 112 at two sides is 0 to 180 °, the polarization splitter 112 at the middle is parallel to the length direction of the substrate 11, wherein each polarization splitter 12 may be parallel to the length direction of the substrate 11 at intervals, or based on the width direction of the substrate 11, the two polarization splitter pieces 112 at two ends are respectively inclined to the length direction of the substrate 11 at an inclination angle of 0 to 90 °, so that the interval between the two polarization splitter pieces 112 at two ends and the polarization splitter 112 at the middle is relatively large, thereby facilitating the connection of the polarization splitter 112.

Specifically, as shown in fig. 4, the sub-pole pieces 112 are linear sub-pole pieces, and based on the width direction of the substrate 11, of at least two sub-pole pieces 112, two sub-pole pieces 112 located at two sides are obliquely arranged in an outward splayed shape relative to the length direction of the substrate 11, so that the distance between the ends, away from the substrate 11, of the two sub-pole pieces 112 is large, and the connection of the sub-pole pieces 112 is facilitated.

As shown in fig. 5 and 6, preferably, based on the width direction of the substrate 11, of the at least two sub-pole pieces 112, the two sub-pole pieces 112 located at both sides include a horizontal section 1121 and an inclined section 1122, the horizontal end is connected to the substrate 11, the horizontal section 1121 is arranged in parallel with the length direction of the substrate 11, and the two inclined sections 1122 are in an outward splayed shape, that is, the two inclined sections 1122 are inclined in opposite directions, so that the purpose of the arrangement is to ensure that there is a sufficient gap between the sub-pole pieces 112 and the width of the substrate 11 is not increased, so that the multi-color filament 10 has a small width and can realize multi-color temperature adjustment.

In this embodiment, the LED chip 12 is a front-mounted chip, the positive and negative electrodes of the front-mounted chip are located on the upper surface of the LED chip 12, and the positive and negative electrodes of each LED chip 12 are electrically connected to the substrate 11 by a gold wire for soldering. In other embodiments, the LED chip 12 is a flip chip, the positive and negative pads of the flip chip are located on the lower surface of the LED chip 12, and the positive and negative pads of each LED chip 12 are electrically connected to the substrate 11 through solder.

In the present embodiment, the substrate 11 is one of a glass fiber Board, a mirror aluminum substrate, a soft aluminum substrate, a ceramic substrate, and an FPC (Flexible Printed Circuit Board) substrate. In order to ensure the light transmittance of the multi-color temperature filament 10, the substrate 11 is preferably a light-transmissive substrate.

As shown in fig. 7 and 8, the present embodiment also provides a lamp including a base assembly 20, an insulating sleeve 30, a driving assembly 40, a bulb 50, a stem 60, and a multi-color-temperature filament 10 as set forth above. The insulating sleeve 30 is arranged in the lamp holder assembly 20, the driving assembly 40 is arranged in the insulating sleeve 30 and is electrically connected with the lamp holder assembly 20, the insulating sleeve 30 plays an insulating protection role on the driving assembly 40, the core column 60 is connected with the bulb shell 50 in a sealing mode, the bulb shell 50 is connected with the core column 60 in a sealing mode, the lamp holder assembly 20 is a threaded lamp holder, and the driving assembly 40 comprises a circuit board and a plurality of electronic components arranged on the circuit board.

As shown in fig. 7, in an embodiment of this embodiment, a metal column 70 and a plurality of metal guide rods 80 are disposed at one end of a stem 60 sealed in a bulb 50, the length of the metal column 70 is greater than the length of the metal guide rods 80 and the extending directions of the metal column 70 and the metal guide rods 80 are different, the number of the metal guide rods 80 is the same as the number of the filaments 10, the metal column 70 and the metal guide rods 80 are electrically connected to a driving assembly 40, one end of each multi-color temperature filament 10 is electrically connected to one end of the metal column 70 away from the stem 60, the other end of the filament 10 is electrically connected to the corresponding metal guide rod 80, the multi-color temperature filament 10 is obliquely disposed, an included angle α between the multi-color temperature filament 10 and the metal column 70 is an acute angle, preferably, the included angle α is 10-30 °, the plurality of multi-color temperature filaments 10 and the metal column 70 are obliquely disposed, so that the plurality of multi-color temperature filaments 10 and, thereby increased the middle part and the top light-emitting of lamps and lanterns, guaranteed the light-emitting effect of lamps and lanterns, metal column 70 set up simple structure, polychrome temperature filament 10 is the linear type filament simultaneously to the play plain noodles of messenger's polychrome temperature filament 10 sets up towards the bulb outwards (has simple to operate's advantage, makes this lamps and lanterns have illumination even, simple structure and convenient to operate's advantage.

As shown in fig. 8, in another embodiment of this embodiment, the multi-color temperature filament 10 is spirally disposed around the stem 60, a first conductive rod is disposed at the top of the stem 60, a second conductive rod is disposed at the bottom of the stem 60, two ends of the multi-color temperature filament 10 are respectively welded to the first conductive rod and the second conductive rod, and the multi-color temperature filament 10 is spirally disposed around the stem 60.

In this embodiment, the LED chips 12 on the multi-color-temperature filament 10 are only arranged in a row, which effectively ensures that the width of the substrate 11 is small, so that the multi-color-temperature filament 10 cannot become a lamp strip due to the increase of the width of the substrate 11, and the aesthetic property of the filament of the multi-color-temperature filament 10 is maintained; the LED chips 12 on the substrate are divided into a plurality of color temperature sets with different color temperatures, and the color temperature sets with different color temperatures are connected in parallel, so that different positions on the substrate have different color temperatures, and the adjustment of the color temperatures of the multi-color temperature filament 10 is realized.

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 (10)

1. The utility model provides a polychrome temperature filament, its characterized in that includes the base plate, the electricity is connected to be located many LED chips on the base plate and cover each the transparent silica gel layer of LED chip is many the LED chip is in follow on the base plate the length direction of base plate is one row of setting, many the LED chip falls into at least two kinds of colour temperature groups that have different colour temperatures, with each of colour temperature establish ties between the colour temperature group, each of different colour temperatures parallelly connected between the colour temperature group.

2. The multi-color temperature filament of claim 1, wherein one end of the substrate is provided with a common electrode plate electrically connected to each of the color temperature sets, and the other end of the substrate is provided with the same number of sub-electrode plates as the number of the color temperature sets of different color temperatures, and each sub-electrode plate is electrically connected to the corresponding color temperature set of different color temperature.

3. The multi-color-temperature filament of claim 1, wherein the color temperature sets comprise at least one of the LED chips, the LED chips are blue LED chips, the blue LED chips are covered with a phosphor layer, and the phosphor layers covered on the blue LED chips of different color temperature sets are different.

4. The multi-color-temperature filament according to claim 1, wherein the color temperature set comprises at least three LED chips, at least three of the LED chips are respectively a red LED chip, a green LED chip and a blue LED chip, and the LED chips are connected in series or in parallel.

5. The multi-color temperature filament according to claim 2, wherein when the number of the divided pole pieces is two, the included angle between the two divided pole pieces is 0 to 180 °, and when the number of the divided pole pieces at least includes three, the included angle between the two divided pole pieces positioned at both sides is 0 to 180 °, and the divided pole piece positioned in the middle is arranged in parallel with the length direction of the substrate.

6. The multi-color temperature filament according to claim 5, wherein, based on the width direction of the substrate, two of the at least two segments located at both sides are inclined in a shape of a letter V with respect to the length direction of the substrate.

7. The multi-color temperature filament of claim 5, wherein, based on the width direction of the substrate, two of the at least two sub-pole pieces at two sides comprise a horizontal section and an inclined section, the horizontal section is parallel to the length direction of the substrate, and the two inclined sections are in a shape of a Chinese character 'ba'.

8. The multi-color temperature filament according to any one of claims 1 to 7, wherein the LED chips are normal-mounted chips, and the anode and cathode of each LED chip are electrically connected with the substrate through gold wires; or the LED chips are flip chips, and the positive electrode and the negative electrode of each LED chip are electrically connected to the substrate through soldering tin.

9. A lamp comprising a burner assembly, an insulating sleeve, a driving assembly, a bulb, a stem and a multi-filament lamp filament according to any one of claims 1 to 8.

10. The lamp of claim 9, wherein said filament is helically disposed about said stem; or, metal post and metal guide arm on the stem, the one end electricity of filament is connected on the metal post, the other end electricity of filament is connected the metal guide arm, the filament slope set up and with the contained angle of metal post is the acute angle.

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