CN211040523U - A LED chip lamp bead with built-in resistor - Google Patents

Abstract

The utility model belongs to the technical field of L ED lamp pearl, especially, be a L ED paster lamp pearl of built-in resistance, including the lamp body and fix the base in its bottom, the inside of lamp body has the cavity, the top of base is equipped with the L ED luminescence chip, the L ED luminescence chip is located in the cavity, L ED luminescence chip's bottom fixedly connected with fixed column, the fixed column runs through the base and extends to the inside of base, the base bottom is equipped with the bottom plate, the top fixedly connected with annular journal stirrup of bottom plate, staff twist and move the bottom plate and pull it down, drive the connecting pipe roll-off of block on the fixed column by the resistance of fixing on the bottom plate through the connecting pipe from first draw-in groove, take out resistance from the connecting pipe through the cooperation of resistance and second draw-in groove again to accomplish the change of resistance, simple structure, it is convenient to dismantle, has saved staff's maintenance time, thereby has improved maintenance efficiency.

Description

A LED chip lamp bead with built-in resistor

technical field

The utility model belongs to the technical field of LED lamp beads, in particular to an LED chip lamp bead with built-in resistance.

Background technique

The full name of LED is a semiconductor light-emitting diode, which is made of semiconductor materials to directly convert electrical energy into light energy and electrical signals into light-emitting devices. It is characterized by low power consumption, high brightness, bright colors, anti-vibration, and long life. The advantages of long and cold light sources are true "green lighting". SMD patches are side-emitting light sources. High-power LEDs cannot be classified into patch series. Their power and current usage are different, and the optoelectronic parameters are very different. If a single high-power LED light source is not equipped with a heat dissipation base, its appearance is not much different from that of ordinary patches. There are essential differences in environment and effect. LED lamp beads have requirements for voltage. If the current is too large, the wick will be burned, because even if the voltage is not large, but the current is too large, the wick will still be burned, so it is necessary to install a resistor. .

When the LED lamp bead is used for a long time, the filament will become shorter. This phenomenon is an open circuit formed by the damage of the resistance causing the filament to be burned by a large current. When the resistance is damaged, the resistance needs to be replaced before it can continue to be used. Most of the resistors of some LED lamp beads are welded inside the lamp beads. Due to the small operating space and complex structure, the resistors are not easy to remove and replace.

Utility model content

The utility model provides an LED chip lamp bead with built-in resistance to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an LED SMD lamp bead with built-in resistance, comprising a lamp housing and a base fixed at the bottom of the lamp housing, the interior of the lamp housing has a cavity, and the top of the base is provided with a cavity. An LED light-emitting chip is provided, the LED light-emitting chip is located in the cavity, a fixing column is fixedly connected to the bottom of the LED light-emitting chip, and the fixing column penetrates through the base and extends to the inside of the base, and the The bottom of the base is provided with a bottom plate, the top of the bottom plate is fixedly connected with an annular support lug, the outer wall of the annular support ear is fixedly connected with a first threaded ring, and the interior of the base is provided with a matching with the first threaded ring A first threaded groove, the bottom plate is screwed and fixed on the bottom of the base through the cooperation of the first threaded ring and the first threaded groove, the top of the bottom plate is provided with a resistor, and the upper and lower ends of the resistor are Connecting pipes are all snapped and fixed, the connecting pipes at the bottom are screwed and fixed inside the bottom plate, the connecting pipes at the top are snapped and fixed inside the fixing columns, and fixed on the LEDs to emit light. chip input.

Preferably, the top of the base is provided with a through hole matched with the fixing column, and the fixing column extends through the through hole to the inside of the base.

Preferably, a second threaded ring is fixedly connected to the outer wall of the connecting pipe under the resistor, and a second threaded groove matched with the second threaded ring is formed on the top of the bottom plate, and the connecting pipe passes through The second threaded ring and the second threaded groove are fixed on the top of the bottom plate.

Preferably, the inside of the fixing column is provided with a first clamping groove which is matched with the connecting pipe, and the connecting pipe is engaged and fixed with the fixing column through the first clamping groove.

Preferably, the connecting pipe is provided with a second card slot matched with the resistor.

Preferably, the material of the connecting pipe is a copper column.

Preferably, an accommodating groove is provided inside the annular support lug, and both the resistor and the connecting pipe are located inside the accommodating groove.

Compared with the prior art, the beneficial effects of the present utility model are:

The upper and lower ends of the resistor of the utility model are clamped and fixed with a connecting tube. When in use, the connecting tube made of copper column material is energized. When the current passes through the resistor, the current is reduced by the resistor to protect the LED light-emitting chip. To prevent the wick from being burned out by excessive current, the service life of the lamp bead is improved. When the resistance is damaged and needs to be replaced, the staff will screw the bottom plate and remove it through the cooperation of the first threaded ring and the first threaded groove. , the resistance fixed on the bottom plate through the connecting pipe drives the connecting pipe clamped on the fixed column to slide out from the first card slot, and then the resistor is taken out from the connecting pipe through the cooperation of the resistor and the second card groove, so as to complete the The replacement of the resistor has a simple structure and convenient disassembly, which saves the maintenance time of the staff and improves the maintenance efficiency.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of base and bottom plate in the utility model;

Fig. 3 is the structural representation of connecting pipe and bottom plate in the utility model;

FIG. 4 is a schematic structural diagram of a fixed column and a connecting pipe in the utility model.

In the figure: 1, lamp housing; 101, cavity; 2, base; 201, through hole; 202, first thread groove; 21, LED light-emitting chip; 22, fixing post; 221, first card slot; 301, the second thread groove; 31, the annular lug; 311, the first thread ring; 312, the receiving groove; 32, the resistance;

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-4, the present invention provides the following technical solutions: an LED SMD lamp bead with built-in resistance, comprising a lamp housing 1 and a base 2 fixed at the bottom thereof, the interior of the lamp housing 1 has a cavity 101, and the base The top of 2 is provided with an LED light-emitting chip 21, and the LED light-emitting chip 21 is located in the cavity 101; after power-on, the LED light-emitting chip 21 converts electrical energy into light energy in the cavity 101 for use.

Please refer to FIG. 2 , the bottom of the LED light-emitting chip 21 is fixedly connected with a fixing column 22 , the fixing column 22 penetrates through the base 2 and extends to the inside of the base 2 , and a resistor 32 is arranged on the top of the base plate 3 , and the upper and lower ends of the resistor 32 are engaged with each other. A connecting pipe 33 is fixed, and the connecting pipe 33 located at the top is snapped and fixed inside the fixing column 22, and is fixed at the input end of the LED light-emitting chip 21; The hole 201, the fixing column 22 extends through the through hole 201 to the interior of the base 2, the interior of the fixing column 22 is provided with a first slot 221 which is matched with the connecting tube 33, and the connecting tube 33 passes through the first slot 221 and the fixing column 22. The connection pipe 33 is provided with a second clamping slot 332 which is matched with the resistor 32. The material of the connection pipe 33 is a copper column. When in use, the connection pipe 33 is clamped and fixed in the first clamping slot 221, and It is fixed at the output end of the LED light-emitting chip 21, and conducts electricity through the connecting tube 33 made of copper column material. When the current passes through the resistor 32, the resistor 32 reduces the size of the current, and protects the LED light-emitting chip 21. The wick is burnt out, which increases the service life of the lamp beads.

Please refer to FIG. 3 and FIG. 4 , the top of the bottom plate 3 is fixedly connected with an annular support lug 31 , the outer wall of the annular support lug 31 is fixedly connected with a first threaded ring 311 , and the interior of the base 2 is provided with a matching first threaded ring 311 . The first threaded groove 202 and the bottom plate 3 are screwed and fixed to the bottom of the base 2 through the cooperation of the first threaded ring 311 and the first threaded groove 202, and the connecting pipe 33 located below is screwed and fixed to the interior of the bottom plate 3; The outer wall of the connecting pipe 33 below the resistor 32 is fixedly connected with a second threaded ring 331, the top of the bottom plate 3 is provided with a second threaded groove 301 matched with the second threaded ring 331, and the connecting pipe 33 passes through the second threaded ring 331. The two threaded grooves 301 are fitted and fixed on the top of the bottom plate 3. The annular support lug 31 has a receiving groove 312 inside. The resistor 32 and the LED light-emitting chip 21 are both located inside the receiving groove 312. When the resistor 32 is damaged and needs to be replaced, the staff Through the cooperation of the first threaded ring 311 and the first threaded groove 202, the bottom plate 3 is screwed and removed, since the connecting pipe 33 is fixed on the top of the bottom plate 3 through the cooperation of the second threaded ring 331 and the second threaded groove 301 , so that the resistor 32 fixed on the bottom plate 3 through the connecting pipe 33 drives the connecting pipe 33 that is clamped on the fixing column 22 to slide out from the first card slot 221, and then the resistor 32 and the second card slot 332 cooperate to connect the resistor 32 is taken out from the connecting pipe 33, so as to complete the replacement of the resistor 32, the structure is simple, the disassembly is convenient, the maintenance time of the staff is saved, and the maintenance efficiency is improved.

The working principle and use process of the present utility model: when used after being energized, the connection pipe 33 made of copper column material conducts electricity, and when the current passes through the resistor 32, the resistor 32 reduces the size of the current to protect the LED light-emitting chip 21. To prevent the wick from being burned out by excessive current, the service life of the lamp bead is improved. The LED light-emitting chip 21 converts electrical energy into light energy in the cavity 101 to emit light. When the resistor 32 is damaged and needs to be replaced, the staff passes the first The threaded ring 311 cooperates with the first threaded groove 202, and the bottom plate 3 is screwed and removed. Since the connecting pipe 33 is fixed on the top of the bottom plate 3 through the cooperation of the second threaded ring 331 and the second threaded groove 301, the passage of The resistor 32 of the connecting tube 33 fixed on the bottom plate 3 drives the connecting tube 33 that is clamped on the fixing post 22 to slide out from the first slot 221 , and then the resistor 32 is connected from the connection through the cooperation of the resistor 32 and the second slot 332 . Take out the tube 33 to complete the replacement of the resistor 32, the structure is simple, the disassembly is convenient, the maintenance time of the staff is saved, and the maintenance efficiency is improved.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the accompanying drawings, only It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arrangement", "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (7)

1. An LED SMD lamp bead with built-in resistance, comprising a lamp housing (1) and a base (2) fixed at the bottom thereof, characterized in that: the interior of the lamp housing (1) has a cavity (101), The top of the base (2) is provided with an LED light-emitting chip (21), the LED light-emitting chip (21) is located in the cavity (101), and a fixing column is fixedly connected to the bottom of the LED light-emitting chip (21). (22), the fixing column (22) penetrates the base (2) and extends to the inside of the base (2), the base (2) is provided with a bottom plate (3) at the bottom, and the bottom plate (3) An annular support lug (31) is fixedly connected to the top of the base, the outer wall of the annular support lug (31) is fixedly connected with a first threaded ring (311), and the inside of the base (2) is provided with the first threaded ring (311) a matching first threaded groove (202), the bottom plate (3) is threadedly fixed on the base (311) through the mating of the first threaded ring (311) and the first threaded groove (202). 2) at the bottom, the top of the bottom plate (3) is provided with a resistor (32), and the upper and lower ends of the resistor (32) are clamped and fixed with a connecting pipe (33), and the connecting pipe (33) located below ) is screwed and fixed inside the bottom plate (3), the connecting pipe (33) located above is snapped and fixed inside the fixing column (22), and fixed on the LED light-emitting chip (21) input. 2 . The LED chip lamp bead with built-in resistance according to claim 1 , wherein a through hole ( 201 ) matched with the fixing post ( 22 ) is formed on the top of the base ( 2 ). 3 . , the fixing column (22) extends through the through hole (201) to the inside of the base (2). 3. The LED chip lamp bead with built-in resistance according to claim 1, characterized in that: the outer wall of the connecting pipe (33) located under the resistance (32) is fixedly connected with a second threaded ring ( 331), the top of the bottom plate (3) is provided with a second threaded groove (301) matched with the second threaded ring (331), and the connecting pipe (33) passes through the second threaded ring (331). ) and the second thread groove (301) are fixed on the top of the bottom plate (3). 4 . The LED chip lamp bead with built-in resistance according to claim 1 , wherein a first card slot matched with the connecting pipe ( 33 ) is opened inside the fixing column ( 22 ). 5 . (221), the connecting pipe (33) is engaged and fixed with the fixing column (22) through the first clamping groove (221). 5 . The LED chip lamp bead with built-in resistance according to claim 1 , wherein the connecting tube ( 33 ) is provided with a second card slot ( 332 ) matched with the resistance ( 32 ). 6 . ). 6 . The LED SMD lamp bead with built-in resistance according to claim 1 , wherein the material of the connecting pipe ( 33 ) is a copper column. 7 . 7. The LED chip lamp bead with built-in resistance according to claim 1, characterized in that: the annular support lug (31) has a receiving groove (312) inside, the resistance (32) and the The connecting pipes (33) are all located inside the accommodating grooves (312).

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