CN113915541A - Bulb and lamp string composed of same - Google Patents
Bulb and lamp string composed of same Download PDFInfo
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- CN113915541A CN113915541A CN202111123001.1A CN202111123001A CN113915541A CN 113915541 A CN113915541 A CN 113915541A CN 202111123001 A CN202111123001 A CN 202111123001A CN 113915541 A CN113915541 A CN 113915541A
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- 238000004891 communication Methods 0.000 claims description 22
- 239000004576 sand Substances 0.000 claims description 10
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- 230000001681 protective effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 239000003292 glue Substances 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 230000000670 limiting effect Effects 0.000 description 6
- 238000003466 welding Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 230000001737 promoting effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/235—Details of bases or caps, i.e. the parts that connect the light source to a fitting; Arrangement of components within bases or caps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/238—Arrangement or mounting of circuit elements integrated in the light source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V25/00—Safety devices structurally associated with lighting devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The application relates to a bulb, which comprises a core column and a conductive bracket arranged on the core column; the filament comprises a first filament and a second filament, the first filament and the second filament are electrically connected with the conductive support, and when the direction of current flowing into the conductive support is forward or reverse, one of the first filament and the second filament is lightened; the control module includes: the power supply comprises a power supply input end and a power supply output end, wherein a first branch circuit and a second branch circuit are connected in parallel between the power supply input end and the power supply output end, and the direction of current flowing through the first branch circuit is opposite to the direction of current flowing through the second branch circuit. This application has the effect that makes the bulb can send colored light.
Description
Technical Field
The present disclosure relates to the field of optical technology, and more particularly, to a bulb and a light string composed of the bulb.
Background
With the rapid development of social economy, the requirements of people on the living standard are higher and higher, many people like the light effect brought by the lamp string, and the LED bulb is used as an important component of the lamp string, so that the function of the LED bulb is more prominent.
In the related art, an LED bulb includes a light-transmitting casing, a lamp cap, a stem, a conductive support, and an LED lamp post, the light-transmitting casing has a cavity for accommodating components, and an opening for communicating the cavity with the outside is formed at a smaller end of the light-transmitting casing; the lamp holder is fixedly connected to one end of the light-transmitting shell close to the opening, and is used for covering the opening of the light-transmitting shell; the core column is fixedly arranged on the inner wall of the opening of the light-transmitting shell and is fixedly connected with the conductive support; one end of the conductive support is electrically connected with the lamp cap, the other end of the conductive support is fixedly connected with the LED lamp post, and the LED lamp post is electrically connected with the conductive support.
In view of the above-mentioned related technologies, there is a defect that the bulb can only emit monochromatic light because the bulb has only one LED lamp post, and thus the bulb cannot emit colored light.
Disclosure of Invention
In order to enable the bulb to emit colored light, the application provides the bulb, the lamp string consisting of the bulb and the circuit of the bulb.
In a first aspect, the present application provides a bulb, which adopts the following technical solution:
a bulb comprises a core column and a conductive bracket arranged on the core column; the filament comprises a first filament and a second filament, the first filament and the second filament are electrically connected with the conductive support, and when the direction of current flowing into the conductive support is forward or reverse, one of the first filament and the second filament is lightened; the control module includes: the power supply comprises a power supply input end and a power supply output end, wherein a first branch circuit and a second branch circuit are connected in parallel between the power supply input end and the power supply output end, and the direction of current flowing through the first branch circuit is opposite to the direction of current flowing through the second branch circuit.
By adopting the technical scheme, when the bulb is lighted, positive current or negative current can respectively flow into the conductive support through the external control module, wherein when the positive current passes through, the first filament emits light, when the negative current passes through, the second filament emits light, and because the colors of the light emitted by the first filament and the second filament are different, when the frequency of the positive current and the negative current which sequentially flow into the conductive support is a certain value, the light emitted by the first filament and the second filament observed by human eyes is pseudo-color light, so that the aim of enabling the bulb to emit color light is fulfilled, in addition, compared with the mode of emitting color light by an LED three-color lamp, the bulb does not need to add a complex control element, the emitted light can achieve the effect close to color, thereby enabling the cost of the bulb to be reduced.
Preferably, the substrate inside the first filament and the substrate inside the second filament are integrally and fixedly connected.
Through adopting above-mentioned technical scheme, when the preparation filament, can lay the circuit of first filament and second filament on the base plate earlier, fix the light source chip of first filament and second filament on the base plate next, and make light source chip be connected with respective circuit, then encapsulate through fluorescent glue, it can on electrically conductive support to fix two pins on the base plate again at last, wherein need pass through the welded when fixing electrically conductive support with the base plate, so compare in the mode that two filament respective base plates are the separate settings, this kind of design, can be more convenient when welding the filament on electrically conductive support, thereby be convenient for producing this bulb.
Preferably, the substrate inside the first filament and the substrate inside the second filament are arranged at intervals.
Through adopting above-mentioned technical scheme, because of laid the circuit on the base plate, so compare in the mode that the base plate of two filaments merges into one, this kind of design, when the circuit of first filament or second filament appears damaging, only need appear damaging correspond the filament from electrically conductive support dismantle down can to make each component of bulb can obtain more abundant utilization.
Preferably, the conductive support includes a first conductive part and a second conductive part, the first conductive part and the second conductive part are both in an L-shaped bent shape, one end of the first conductive part is inserted into the stem, the bent inner side of the first conductive part faces the stem, and one end of the first conductive part, which is far away from the stem, is used for fixedly connecting a pin of the filament; one end of the second conductive part penetrates through the core column, the other end of the second conductive part is located between one end, far away from the core column, of the first conductive part and the core column, and the other end, far away from the core column, of the second conductive part is fixedly connected with the other pin of the filament.
By adopting the technical scheme, because the first conductive part and the second conductive part are both in the L-shaped bent shape, an area for accommodating the filament can be formed between one end, away from the core column, of the first conductive part and one end, away from the core column, of the second conductive part, compared with the mode that the first conductive part and the second conductive part are both in the straight line shape, in the design mode, when two pins of the filament are respectively fixed on the first conductive part and the second conductive part, the filament and the conductive support are not prone to interference in the space position, when the filament is fixed on the conductive support, the situation that the pins cannot be abutted against the conductive support due to blocking of the filament and the conductive support is not prone to occurrence, so that the filament can be conveniently fixed on the conductive support, and the structure between the conductive support and the filament can be more concise.
Preferably, the first filament and the second filament are both provided with a protection element inside, and the protection element is used for carrying out voltage reduction treatment on current flowing into the protection element.
Through adopting above-mentioned technical scheme, compare in the mode of establishing protection resistance in addition on electrically conductive support, this kind of design alright fix the protection component on the base plate when making the filament, then the rethread fluorescent glue make protection component and light source chip encapsulation on the base plate can, so when subsequent equipment bulb, can reduce this one step of operation of protection component welding on electrically conductive support to be convenient for produce and make the bulb.
Preferably, the filament lamp further comprises a light-transmitting shell, the light-transmitting shell comprises a cavity for accommodating the filament and a communication port for communicating the cavity with the outside, the stem is arranged on the inner wall of the communication port, the outer wall of the stem is provided with a connecting protrusion, and the stem is in expansion fit with the inner wall of the communication port through the connecting protrusion; and a waterproof layer for sealing the communication port is arranged on one side of the communication port, which is far away from the cavity.
Through adopting above-mentioned technical scheme, on the one hand, because of connecting bellied setting, then be the tight complex connected mode that expands between stem and the printing opacity casing, so when the installation, only need insert the stem in the intercommunication mouth, just reach and install the purpose on the printing opacity casing with the stem, thereby be convenient for assemble the bulb, on the other hand, because of being the tight complex mode that expands between stem and the intercommunication mouth, so can have the gap between the inner wall of stem and intercommunication mouth, so the setting of waterproof layer, can promote the leakproofness between stem and the printing opacity casing, thereby can make the bulb be convenient for the equipment, also make the holistic leakproofness of bulb difficult weakening by a wide margin.
Preferably, the one end that the cavity was kept away from to the stem is provided with spacing sand grip, and spacing sand grip is located the edge of stem terminal surface, moreover spacing sand grip is located the terminal surface butt that the cavity one end was kept away from to the intercommunication mouth with the printing opacity casing.
Through adopting above-mentioned technical scheme, on the one hand, because of the setting of spacing sand grip, difficult because of the excessive stem that appears breaks away from the intercommunication mouth hard when the installation, then get into the condition in the cavity, thereby error operation when helping reducing the installation, on the other hand, be located the terminal surface butt that the cavity one end was kept away from to the intercommunication mouth because of spacing sand grip and printing opacity casing, so spacing sand grip can play certain effect of sheltering from to the gap that forms between stem and the intercommunication mouth inner wall, so under the combined action of spacing sand grip and waterproof layer, the leakproofness of bulb obtains better promotion, thereby help promoting the quality of bulb.
Preferably, the first branch circuit includes a plurality of first light emitting diodes connected in series in the same direction, the second branch circuit includes a plurality of second light emitting diodes connected in series in the same direction, and the directions of the positive and negative electrodes of the first light emitting diodes are opposite to the directions of the positive and negative electrodes of the second light emitting diodes.
By adopting the technical scheme, the arrangement of the first light-emitting diode and the second light-emitting diode plays a role in enabling the first filament and the second filament to emit light, and also plays a role in limiting the current directions of the first branch circuit and the second branch circuit, so that the whole circuit structure is simpler.
In a second aspect, the present application provides a light string, which adopts the following technical solutions:
a light string is characterized in that a plurality of light bulbs are connected in series, in parallel or in series and parallel.
By adopting the technical scheme, compared with the mode that the bulb on the lamp string is an LED three-color lamp, the design mode not only enables the lamp string to emit colored light, but also greatly reduces the production cost of the whole lamp string.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the arrangement of the first lamp filament, the second lamp filament and the light emitting mode between the two lamp filaments, on one hand, when the frequency of the positive current and the negative current flowing into the conductive support in sequence is a certain value, the light rays emitted by the first lamp filament and the second lamp filament observed by human eyes can be light rays with a pseudo-color effect, so that the aim of enabling the lamp bulb to emit color light rays is fulfilled, and on the other hand, compared with the mode of emitting color light rays by an LED (light emitting diode) tri-color lamp, the design mode enables the emitted light rays to achieve an effect close to color without adding a complex control element, so that the cost of the lamp bulb can be reduced;
2. compared with the mode that the two lamp filaments are separately arranged, the mode of fixedly connecting the substrate in the first lamp filament and the substrate in the second lamp filament integrally is more convenient for welding the lamp filaments on the conductive support, so that the bulb is convenient to produce in processing;
3. the mode that the inside through first filament and second filament all was provided with the protection component, alright fix the protection component on the base plate when making the filament, then the rethread fluorescent glue make protection component and light source chip encapsulation on the base plate can, so when subsequent equipment bulb, can reduce this one step of operation of protection component welding on electrically conductive support to be convenient for produce and make the bulb.
Drawings
Fig. 1 is a schematic structural view of a bulb in embodiment 1 of the present application.
Fig. 2 is a schematic cross-sectional view of a specific structure of a filament according to an embodiment of the present application.
Fig. 3 is a schematic diagram showing a manner of arrangement between the first filament and the second filament in embodiment 2 of the present application.
Fig. 4 is a schematic circuit diagram of a bulb in an embodiment of the present application.
Description of reference numerals: 1. a stem; 11. a connecting projection; 12. limiting convex strips; 2. a conductive support; 21. a first conductive portion; 22. a second conductive portion; 3. a first filament; 31. a substrate; 32. a light source chip; 33. fluorescent glue; 34. a protective element; 4. a second filament; 5. a light-transmissive housing; 51. a chamber; 52. a communication port; 6. a waterproof layer; 7. a first branch; 71. a first light emitting diode; 8. a second branch circuit; 81. a second light emitting diode; 9. a lamp cap; 10. and (7) a mounting area.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a bulb.
Example 1
Referring to fig. 1, the bulb includes a light-transmitting casing 5, a stem 1, a conductive support 2, a filament, and a base 9, specifically, the light-transmitting casing 5 includes a chamber 51 for accommodating components and a communication port 52 for communicating the chamber 51 with the outside, so that the components can be placed in the chamber 51 from the communication port 52; the stem 1 is substantially cylindrical and is made of plastic, and a plurality of connecting protrusions 11 are integrally formed on the outer wall of the peripheral side of the stem 1, and the plurality of connecting protrusions 11 are uniformly arranged around the axis direction of the stem 1, in this embodiment, the stem 1 is arranged at the communicating opening 52, and the stem 1 is in tight fit with the inner wall of the communicating opening 52 through the connecting protrusions 11 of the stem 1 and the inner wall of the communicating opening 52, so that the purpose of fixing the stem 1 on the light-transmitting shell 5 is achieved.
Referring to fig. 1, in the present embodiment, a limiting protrusion 12 is integrally formed on one end of the stem 1 away from the cavity 51, the limit convex strip 12 is connected on the edge of the end surface of the core column 1, and the limit convex strip 12 extends along the edge of the end surface of the core column 1 in an arc shape, wherein when the stem 1 is fixed at the communication port 52, the limiting convex strip 12 will abut against the end surface of the transparent shell 5 at the end of the communication port 52 far away from the cavity 51, the stopper rib 12 functions to prevent the stem 1 from being mistakenly inserted into the chamber 51 from the communication port 52, so that the misoperation is not easy to occur when the bulb is assembled, and in addition, because the stem 1 and the communication opening 52 are connected together in an expansion fit mode, therefore, the limiting convex strips 12 can also shield the gap between the stem 1 and the inner wall of the communication opening 52 to a certain extent, and further can improve the sealing performance between the light-transmitting shell 5 and the stem 1.
Referring to fig. 1, in this embodiment, after the stem 1 is installed on the light-transmitting shell 5, a sealant with waterproof performance is poured on the side of the communication port 52 away from the cavity 51, after the sealant is solidified, the waterproof layer 6 is fixed on the side of the communication port 52 away from the cavity 51 of the light-transmitting shell 5, so that under the combined action of the waterproof layer 6 and the limiting convex strip 12, the sealing performance of the light-transmitting shell 5 at the communication port 52 is better improved, thereby contributing to the improvement of the quality of the whole bulb.
Referring to fig. 1, the conductive support 2 includes a first conductive portion 21 and a second conductive portion 22 in an L-shaped bent shape, wherein one end of the first conductive portion 21 is fixedly disposed on the stem 1, the other end is located in the cavity 51 of the light-transmitting casing 5, the bent inner side of the first conductive portion 21 faces the stem 1, and one end of the first conductive portion 21 away from the stem 1 is used for fixing one of the leads of the filament; one end of the second conductive part 22 is fixedly penetrated on the stem 1, the other end is positioned in the cavity 51 of the light-transmitting shell 5, one end of the second conductive part 22 far away from the stem 1 is positioned between one end of the first conductive part 21 far away from the stem 1 and the stem 1, and the bent inner side of the second conductive part 22 faces both the stem 1 and the first conductive part 21.
Referring to fig. 1, in this embodiment, one end of the second conductive part 22, which is far away from the stem 1, is used for fixing another pin of the filament, and then the one end of the first conductive part 21, which is far away from the stem 1, and the one end of the second conductive part 22, which is far away from the stem 1, can form a mounting area 10 for accommodating the filament, compared with a mode that the first conductive part 21 and the second conductive part 22 are both linearly extended and disposed, this design mode is adopted, when the pin of the filament is welded on the conductive support 2, it is not easy to cause the pin of the filament to abut against the conductive support 2 due to the blocking of the filament and the conductive support 2, thereby not only facilitating the filament to be fixed on the conductive support 2, but also reducing the space volume occupied by the conductive support 2 and the filament, and further making the structure between the stem 1, the conductive support 2 and the filament more concise.
Referring to fig. 1, the filament includes a first filament 3 and a second filament 4, wherein the first filament 3 and the second filament 4 are disposed in the mounting region 10 side by side, and the pins of the first filament 3 and the second filament 4 are respectively welded on the first conductive portion 21 and the second conductive portion 22, in this embodiment, when the current flowing into the conductive support 2 is positive or negative, one of the first filament 3 and the second filament 4 is lit, so when the frequency of the positive current and the negative current flowing into the conductive support 2 in sequence is a certain value, the light emitted by the first filament 3 and the second filament 4 observed by human eyes will be a light with a pseudo-color effect, thereby achieving the purpose of making the bulb emit color light.
Referring to fig. 1 and 2, since the first filament 3 and the second filament 4 only emit light with different colors and have the same internal structure, only the internal structure of the first filament 3 will be described in detail later, specifically, the first filament 3 includes a substrate 31, a light source chip 32 and a fluorescent glue 33, a circuit is laid on the substrate 31, and the substrate 31 is electrically connected to the conductive support 2 through its own pins; a plurality of light source chips 32 are arranged, and the light source chips 32 are adhered to the upper surface and the lower surface of the substrate 31, in this embodiment, a protection element 34 is further fixed on the substrate 31, the protection element 34 is usually a fuse type or a resistor type fixing member, and is subjected to high-precision and heat-resistant treatment, and then is adhered to the substrate 31 synchronously with the light source chips 32 in a patch form, so that a protection resistor does not need to be separately installed on the conductive support 2, and the process and the cost can be reduced; the fluorescent glue 33 is coated on the substrate 31, and after the light source chip 32 and the protection element 34 are mounted, the fluorescent glue 33 encapsulates the substrate 31, so that a complete filament is manufactured.
Referring to fig. 1 and 2, in this embodiment, the substrate 31 of the first filament 3 and the substrate 31 of the second filament 4 are integrally and fixedly connected, so when manufacturing the filament, the circuits of the first filament 3 and the second filament 4 may be firstly laid on the substrate 31, then the light source chips 32 of the first filament 3 and the second filament 4 are fixed on the substrate 31, and the light source chips 32 are connected with the respective circuits, then packaged by the fluorescent glue 33, and finally two pins on the substrate 31 are fixed on the conductive support 2, so that the first filament 3 and the second filament 4 can be welded on the conductive support 2 by fewer steps, thereby facilitating the production of the bulb.
Referring to fig. 1, in the present embodiment, an external thread is integrally formed on an outer wall of the light-transmitting casing 5 at the position of the communication port 52 for connecting with the lamp cap 9, and an internal thread is integrally formed on an inner wall of the lamp cap 9, so that after the stem 1 is mounted on the light-transmitting casing 5, the lamp cap 9 can be fixed on the light-transmitting casing 5, at this time, the lamp cap 9 is electrically connected with the portion of the conductive bracket 2 located on the stem 1, and the external thread is further formed on the outer wall of the lamp cap 9, so that the bulb can be fixed on a screw socket, and the bulb can be connected with an external power supply.
Referring to fig. 1 and 3, the bulb further includes a control module for controlling the filament, specifically, the control module includes a power input end and a power output end, a first branch 7 and a second branch 8 are connected in parallel between the power input end and the power output end, specifically, the first branch 7 includes a plurality of first light emitting diodes 71 connected in series in the same direction, the second branch 8 includes a plurality of second light emitting diodes 81 connected in series in the same direction, and the directions of the positive and negative poles of the first light emitting diodes 71 are opposite to the directions of the positive and negative poles of the second light emitting diodes 81, so that when a positive current or a negative current passes through the conductive support 2, one of the first filament 3 and the second filament 4 is lit, thereby forming a circuit base for the bulb to emit colored light.
The implementation principle of a bulb of the embodiment of the application is as follows: when the bulb emits colored light, the lamp holder 9 can be sequentially conducted with positive current and negative current through the external controller, then the current can flow to the conductive support 2, wherein when the positive current passes through, the first filament 3 emits light, when the negative current passes through, the second filament 4 emits light, and because the colors of the light emitted by the first filament 3 and the second filament 4 are different, when the frequency that the positive current and the negative current sequentially flow into the conductive support 2 is a certain value, the light emitted by the first filament 3 and the second filament 4 observed by human eyes can be pseudo-colored, thereby achieving the purpose of enabling the bulb to emit colored light.
Example 2
Referring to fig. 2 and 4, the difference from embodiment 1 is that: in this embodiment, the substrate 31 inside the first filament 3 and the substrate 31 inside the second filament 4 are arranged at intervals side by side, so when the first filament 3 and the second filament 4 are assembled on the conductive support 2, the first filament 3 and the second filament 4 need to be welded on the conductive support 2 step by step, but when one of the first filament 3 and the second filament 4 is damaged, only one of the filaments needs to be replaced separately, so that each element in the bulb can be more fully utilized.
The embodiment of the application also discloses a lamp string, which comprises a plurality of bulbs, and the bulbs can be connected in series, in parallel or in series and parallel, wherein when the lamp string is used, the current flowing into the lamp string can be positive or negative through an external controller, when the frequency of the positive current and the negative current reaches a certain value, each bulb can emit colored light, so that the lamp string becomes a colored lamp string.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A bulb, includes stem (1) and sets up electrically conductive support (2) on stem (1), its characterized in that: the filament comprises a first filament (3) and a second filament (4), the first filament (3) and the second filament (4) are electrically connected with the conductive support (2), and when the current flowing into the conductive support (2) is in a forward direction or a reverse direction, one of the first filament (3) and the second filament (4) is lightened; the control module includes: the power supply comprises a power supply input end and a power supply output end, wherein a first branch (7) and a second branch (8) are connected in parallel between the power supply input end and the power supply output end, and the direction of current flowing through the first branch (7) is opposite to the direction of current flowing through the second branch (8).
2. The bulb of claim 1, wherein: the substrate (31) in the first filament (3) and the substrate (31) in the second filament (4) are integrally and fixedly connected.
3. The bulb of claim 1, wherein: the substrate (31) in the first filament (3) and the substrate (31) in the second filament (4) are arranged at intervals.
4. The bulb of claim 1, wherein: the conductive support (2) comprises a first conductive part (21) and a second conductive part (22), the first conductive part (21) and the second conductive part (22) are both in an L-shaped bent shape, one end of the first conductive part (21) penetrates through the stem (1), the bent inner side of the first conductive part (21) faces the stem (1), and one end, far away from the stem (1), of the first conductive part (21) is fixedly connected with one pin of the filament; one end of the second conductive part (22) penetrates through the core column (1), the other end of the second conductive part is located between one end, far away from the core column (1), of the first conductive part (21) and the core column (1), and one end, far away from the core column (1), of the second conductive part (22) is fixedly connected with the other pin of the filament.
5. The bulb of claim 1, wherein: and protective elements (34) are arranged inside the first filament (3) and the second filament (4), and the protective elements (34) are used for carrying out voltage reduction treatment on current flowing into the protective elements.
6. The bulb of claim 1, wherein: the filament lamp further comprises a light-transmitting shell (5), wherein the light-transmitting shell (5) comprises a cavity (51) for accommodating a filament and a communication port (52) for communicating the cavity (51) with the outside, the core column (1) is arranged on the inner wall of the communication port (52), a connecting protrusion (11) is arranged on the outer wall of the core column (1), and the core column (1) is in expansion fit with the inner wall of the communication port (52) through the connecting protrusion (11); a waterproof layer (6) for sealing the communication opening (52) is arranged on one side of the communication opening (52) far away from the cavity (51).
7. The bulb of claim 6, wherein: the utility model discloses a light-transmitting core column, including stem (1), chamber (51), spacing sand grip (12) are provided with to the one end that chamber (51) were kept away from in stem (1), and spacing sand grip (12) are located the edge of stem (1) terminal surface, moreover spacing sand grip (12) are located the terminal surface butt that chamber (51) one end was kept away from in intercommunication mouth (52) with printing opacity casing (5).
8. The bulb of claim 1, wherein: the first branch circuit (7) comprises a plurality of first light-emitting diodes (71) which are connected in series in the same direction, the second branch circuit (8) comprises a plurality of second light-emitting diodes (81) which are connected in series in the same direction, and the directions of the positive and negative poles of the first light-emitting diodes (71) are opposite to the directions of the positive and negative poles of the second light-emitting diodes (81).
9. A light string comprising a plurality of light bulbs according to any one of claims 1 to 8, wherein: the plurality of bulbs are connected in series, in parallel or in series and parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111123001.1A CN113915541A (en) | 2021-09-24 | 2021-09-24 | Bulb and lamp string composed of same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111123001.1A CN113915541A (en) | 2021-09-24 | 2021-09-24 | Bulb and lamp string composed of same |
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| CN113915541A true CN113915541A (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111123001.1A Pending CN113915541A (en) | 2021-09-24 | 2021-09-24 | Bulb and lamp string composed of same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11953162B1 (en) * | 2023-08-08 | 2024-04-09 | Bing Zhao | Lampwick plug assembly and LED bulb |
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