CN211450758U - High-voltage paster lamp bead - Google Patents

Abstract

The utility model relates to the technical field of LED lamp beads, and discloses a high-voltage SMD lamp bead, which comprises a square bracket and an LED lamp bead circuit board. The top of the square bracket is provided with a groove in the shape of an inverted quadrangle; the LED lamp bead circuit board is fixed At the bottom of the groove, it includes a positive terminal, a negative terminal and at least three LED lamp beads. The positive electrode of the first LED lamp bead is electrically connected to the positive terminal, and the negative electrode of the first LED lamp bead is electrically connected to the positive electrode of the next lamp bead. , and so on, until the negative terminal of the last LED lamp bead is electrically connected to the negative terminal; one end of the bottom of the square bracket is connected to the anode metal sheet, and the other end is connected to the cathode metal sheet. The metal wire is electrically connected to the negative terminal. The utility model reduces the voltage at both ends of each LED lamp bead by connecting an external voltage to a plurality of LED lamp beads, thereby reducing power consumption and heat generation while ensuring that the luminous brightness of the headlights of the electric vehicle remains unchanged, and improving the battery of the electric vehicle. power utilization efficiency.

Description

A high-voltage patch lamp bead

technical field

The utility model relates to the technical field of LED lamp beads, in particular to a high-voltage patch lamp bead.

Background technique

The headlights of electric vehicles usually use an LED lamp bead as the headlight source. The LED lamp bead is connected to the external voltage alone, which has high power consumption and generates a large amount of heat. If the generated heat cannot be dissipated in time, the power of the electric vehicle will be accelerated. The aging of the line will affect the driving safety. In addition, the low utilization efficiency of the LED lamp beads on the electric vehicle battery will reduce the driving mileage of the electric vehicle, which is not conducive to long-distance driving.

Utility model content

In view of the deficiencies of the background technology, the present utility model provides a high-voltage SMD lamp bead, the technical problem to be solved is that the existing electric vehicle headlamp lamp bead has high power consumption, generates a large amount of heat, and is used for electric vehicle battery power utilization. rate is low.

In order to solve the above technical problems, the utility model provides the following technical solutions: a high-voltage SMD lamp bead, including a square bracket and an LED lamp bead circuit board, the top of the square bracket is provided with a groove in the shape of an inverted quadrangle; LED lamp beads The circuit board is fixed at the bottom of the groove and includes a positive terminal, a negative terminal and at least three LED lamp beads. The positive electrode of the first LED lamp bead is electrically connected to the positive terminal, and the negative electrode of the first LED lamp bead is connected to the next lamp bead. The positive electrode is electrically connected, and so on, until the negative electrode of the last LED lamp bead is electrically connected to the negative terminal; one end of the bottom of the square bracket is connected to the anode metal sheet, and the other end is connected to the cathode metal sheet. The metal sheet is electrically connected to the negative terminal through a metal wire.

As an improvement, the bottom of the square bracket is connected to a heat sink, and the heat sink is between the anode metal sheet and the cathode metal sheet.

Further, the square bracket is provided with through holes at the corresponding positions of the anode metal sheet and the cathode metal sheet, and the metal wires connected with the anode metal sheet and the cathode metal sheet pass through the corresponding through holes respectively.

Further, the LED lamp bead circuit board is fixed on the bottom of the groove by silver glue.

Further, the LED lamp bead circuit board includes 14 LED lamp beads connected in series.

Further, the included angle between the two waists in the main view direction of the groove is 105 degrees, and the included angle between the two waists in the side view direction of the groove is 103 degrees.

Further, a fluorescent layer is provided on the periphery of the LED lamp bead circuit board.

Compared with the prior art, the utility model has the beneficial effects that: under the condition that the luminous brightness of the headlight source of the electric vehicle remains unchanged, the external voltage of the electric vehicle is connected to a plurality of LED lamp beads, so each LED The voltage at both ends of the lamp bead is less than the external voltage. The power consumption of the high-voltage SMD lamp bead is far less than the power consumption of connecting an LED lamp bead to the external voltage. It not only has low power consumption, reduces heat generation, but also improves the electric vehicle battery power utilization efficiency.

Description of drawings

The utility model has the following accompanying drawings:

1 is a schematic diagram of the connection between the LED lamp bead circuit board and the square bracket of the present invention;

Fig. 2 is the structural representation of the square bracket of the present invention;

Fig. 3 is the bottom structure schematic diagram of the present utility model;

Figure 4 is a schematic diagram of the utility model.

Detailed ways

The present utility model will now be described in further detail in conjunction with the accompanying drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.

As shown in Figure 1-4, a high-voltage SMD lamp bead includes a square bracket 1 and an LED lamp bead circuit board 3. The top of the square bracket 1 is provided with a groove 2 in the shape of an inverted quadrangle; the LED lamp bead circuit board 3 It is fixed at the bottom of the groove 2 and includes a positive terminal, a negative terminal and fourteen LED lamp beads 30. The positive electrode of the first LED lamp bead 30 is electrically connected to the positive terminal, and the negative electrode of the first LED lamp bead 30 is connected to the next lamp. The positive pole of the bead 30 is electrically connected, and so on, until the negative pole of the last LED lamp bead 30 is electrically connected to the negative terminal; one end of the bottom of the square bracket 1 is connected to the anode metal sheet 4, and the other end is connected to the cathode metal sheet 5, and the anode metal sheet 4 passes through The metal wire is electrically connected to the positive terminal, and the cathode metal sheet 5 is electrically connected to the negative terminal through the metal wire.

As an improvement, the bottom of the square bracket 1 is connected to a heat sink 6 , and the heat sink 6 is between the anode metal sheet 4 and the cathode metal sheet 5 .

Further, the square bracket 1 is provided with through holes 7 at the corresponding positions of the anode metal sheet 4 and the cathode metal sheet 5 , and the metal wires connected to the anode metal sheet 4 and the cathode metal sheet 5 pass through the corresponding through holes 7 respectively.

Further, in order to ensure the heat dissipation effect of the LED lamp beads 30 , the LED lamp bead circuit board 3 is fixed on the bottom of the groove 2 by silver glue.

Further, the included angle between the two waists in the main view direction of the groove is 105 degrees, and the included angle between the two waists in the side view direction of the groove is 103 degrees, and the two angles are respectively the light-emitting angles of the LED lamp beads.

Further, in order to change the luminous color of the LED lamp beads 30 , a fluorescent layer is provided on the periphery of the LED lamp bead circuit board 2 .

The working principle of the utility model is as follows: the utility model connects the external voltage of the electric vehicle to a plurality of LED lamp beads, and under the condition that the luminous brightness of the headlights of the electric vehicle remains unchanged, the voltage at both ends of each LED lamp bead is If it is smaller than the external voltage, the power consumption of connecting multiple LED lamp beads is P1=U*U/(R*N), U is the external voltage of the electric vehicle, R is the resistance value of each LED lamp bead, and N is the LED lamp Compared with the number of LED lamp beads connected to an external voltage, the technical solution of the present utility model reduces energy consumption and heat generation gradually as the number of external LED lamp beads increases, thereby improving the power utilization of electric vehicle batteries. efficiency.

The above is inspired by the present invention, and through the above description, the relevant staff can make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present utility model is not limited to the content in the description, and its technical scope must be determined according to the scope of the claims.

Claims (7)

1. The utility model provides a high pressure paster lamp pearl which characterized in that: the LED lamp comprises a square support and an LED lamp bead circuit board, wherein a groove in the shape of an inverted quadrangular frustum pyramid is formed in the top of the square support; the LED lamp bead circuit board is fixed at the bottom of the groove and comprises an anode terminal, a cathode terminal and at least three LED lamp beads, wherein the anode of the first LED lamp bead is electrically connected with the anode terminal, the cathode of the first LED lamp bead is electrically connected with the anode of the next lamp bead, and the like is performed until the cathode of the last LED lamp bead is electrically connected with the cathode terminal; the square support is characterized in that one end of the bottom of the square support is connected with an anode metal sheet, the other end of the bottom of the square support is connected with a cathode metal sheet, the anode metal sheet is electrically connected with a positive terminal through a metal wire, and the cathode metal sheet is electrically connected with a negative terminal through the metal wire.

2. The high-voltage patch lamp bead according to claim 1, wherein: the bottom of the square support is connected with a radiating fin, and the radiating fin is arranged between the anode metal sheet and the cathode metal sheet.

3. The high-voltage patch lamp bead according to claim 1, wherein: the square support is provided with through holes at the corresponding positions of the anode metal sheet and the cathode metal sheet, and metal wires connected with the anode metal sheet and the cathode metal sheet respectively penetrate through the corresponding through holes.

4. The high-voltage patch lamp bead according to claim 1, wherein: the LED lamp bead circuit board is fixed at the bottom of the groove through silver colloid.

5. The high-voltage patch lamp bead according to claim 1, wherein: the LED lamp bead circuit board comprises 14 LED lamp beads.

6. The high-voltage patch lamp bead according to claim 1, wherein: the included angle of two waists of recess main view direction is 105 degrees, the included angle of two waists of recess side view direction is 103 degrees.

7. The high-voltage patch lamp bead according to claim 1, wherein: and a fluorescent layer is arranged on the periphery of the LED lamp bead circuit board.

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