CN213752705U - M22 double-color indicator lamp PCB board - Google Patents
M22 double-color indicator lamp PCB board Download PDFInfo
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- CN213752705U CN213752705U CN202022210538.9U CN202022210538U CN213752705U CN 213752705 U CN213752705 U CN 213752705U CN 202022210538 U CN202022210538 U CN 202022210538U CN 213752705 U CN213752705 U CN 213752705U
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Abstract
The utility model provides an M22 double-color indicator lamp PCB board; the LED comprises four LEDs and a high-voltage diode, wherein the four LEDs are connected in parallel after being connected in series in two pairs in the same direction, and one end of each parallel LED is connected with the high-voltage diode through a resistor. The utility model discloses luminous intensity is higher, and the luminous homogeneity of product is better, and the reliability of using under extreme condition is high, and circuit design has reverse protection's function.
Description
Technical Field
The utility model relates to a double-colored pilot lamp PCB board of M22.
Background
The M22 indicator light is a signal light packaged by metal epoxy, and has the advantages of good light beam integration level, large signal display area, high reliability under extreme conditions and the like, and is widely applied to various large-scale equipment. The current M22 double-color indicator lamp is generally designed by a single chip, and the luminous intensity is insufficient; the positions of the light-emitting chips of the two colors are symmetrically arranged left and right, and when one color is lightened, the whole glue surface has uneven brightness; the other comparative defect is that the reverse breakdown of the product is easily caused when a reverse large voltage is switched on without an anti-reverse function.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a double-colored pilot lamp PCB board of M22.
The utility model discloses a following technical scheme can realize.
The utility model provides an M22 double-color indicator PCB board; the LED comprises four LEDs and a high-voltage diode, wherein the four LEDs are connected in parallel after being connected in series in two pairs in the same direction, and one end of each parallel LED is connected with the high-voltage diode through a resistor.
And the leads among the four light-emitting diodes, the resistor and the high-voltage diode are high-temperature leads.
The four light-emitting diodes, the resistor, the high-voltage diode and the high-temperature wire are all welded on the PCB.
Two through holes are processed at the edge of the PCB.
And the four light-emitting diodes are connected with the high-voltage diode in a common cathode or common anode mode.
When the common cathode is connected, the cathodes of two light-emitting diodes after the four light-emitting diodes are connected in series are connected in parallel and then are connected with a resistor, the resistor is connected with the anode of a high-voltage diode, the cathode of the high-voltage diode is connected with the cathode of a power supply, and the anodes of two light-emitting diodes after the four light-emitting diodes are connected in series are respectively connected with the anode of the power supply.
When the four light-emitting diodes are connected in a common anode mode, anodes of the two light-emitting diodes after the four light-emitting diodes are connected in series are connected in parallel and then are connected with the resistor, the resistor is connected with the negative electrode of the high-voltage diode, the anode of the high-voltage diode is connected with the negative electrode of the power supply, and the cathodes of the two light-emitting diodes after the four light-emitting diodes are connected in series are respectively connected with the positive electrode of the power supply.
The beneficial effects of the utility model reside in that: the luminous intensity is higher, the luminous homogeneity of product is better, and the reliability of using under extreme condition is high, and the circuit design has reverse protection's function.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic diagram of the circuit structure of the cathode-sharing product of the present invention;
FIG. 3 is a schematic diagram of the circuit structure of the present invention;
in the figure: the LED comprises a high-voltage diode 1, a current-limiting resistor 2, a first LED 3, a second LED 4, a PCB mounting hole 5, a third LED 6 and a fourth LED 7.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
An M22 two-color indicator lamp PCB board; the LED comprises four LEDs and a high-voltage diode, wherein the four LEDs are connected in parallel after being connected in series in two pairs in the same direction, and one end of each parallel LED is connected with the high-voltage diode through a resistor.
And the leads among the four light-emitting diodes, the resistor and the high-voltage diode are high-temperature leads.
The four light-emitting diodes, the resistor, the high-voltage diode and the high-temperature wire are all welded on the PCB.
Two through holes are processed at the edge of the PCB.
And the four light-emitting diodes are connected with the high-voltage diode in a common cathode or common anode mode.
When the four LEDs are connected in a common cathode mode, the cathodes of the two LEDs after the four LEDs are connected in series are connected in parallel and then connected with the resistor, the resistor is connected with the anode of the high-voltage diode, the cathode of the high-voltage diode is connected with the cathode of the power supply, and the anodes of the two LEDs after the four LEDs are connected in series are respectively connected with the anode of the power supply.
When the four light-emitting diodes are connected in a common anode mode, anodes of the two light-emitting diodes after the four light-emitting diodes are connected in series are connected in parallel and then are connected with the resistor, the resistor is connected with the negative electrode of the high-voltage diode, the anode of the high-voltage diode is connected with the negative electrode of the power supply, and the cathodes of the two light-emitting diodes after the four light-emitting diodes are connected in series are respectively connected with the positive electrode of the power supply.
The utility model provides a novel double-colored pilot lamp of M22, PCB board design drawing and product internal circuit design drawing see attached 1. The design includes a metal reflective cavity, a polarity plug, and a PCB board assembly. The metal reflecting cavity adopts a commercially available M22 cavity and is used as a shell for containing epoxy resin glue during product encapsulation. The polarity plug has the functions of marking the polarity of the pin of the product and blocking the tail of the emission cavity to prevent glue overflow.
The PCB assembly is formed by welding 1 PCB which is independently designed, 4 single-color LEDs packaged by 5050, 1 high-voltage rectifier diode and 3 high-temperature wires together according to a certain circuit design.
The 5050LED adopted on the PCB is internally provided with 3 luminous chips to ensure enough luminous intensity, the 4 LEDs are arranged in a diagonal mode, and a certain proportion of diffusant is added during encapsulation to ensure the luminous uniformity of the product.
The product pin adopts high-temperature wires, can also guarantee the reliability under the environment of abominable condition, and length reaches 25cm, can satisfy different customer demands.
The direct encapsulation resistance in the cavity can be according to customer's demand at the pilot lamp of customization different voltages, and the preparation is nimble.
The main function of the diode contained in the circuit is reverse protection, and the resistor and the diode are distributed on the back of the PCB, so that the light-emitting effect of the device cannot be influenced.
Claims (7)
1. The utility model provides a M22 double-colored pilot lamp PCB board which characterized in that: the LED comprises four LEDs and a high-voltage diode, wherein the four LEDs are connected in parallel after being connected in series in two pairs in the same direction, and one end of each parallel LED is connected with the high-voltage diode through a resistor.
2. The PCB board of an M22 bi-color indicator lamp of claim 1, wherein: and the leads among the four light-emitting diodes, the resistor and the high-voltage diode are high-temperature leads.
3. The M22 bi-color indicator lamp PCB board of claim 2, wherein: the four light-emitting diodes, the resistor, the high-voltage diode and the high-temperature wire are all welded on the PCB.
4. The PCB board of an M22 bi-color indicator lamp of claim 3, wherein: two through holes are processed at the edge of the PCB.
5. The PCB board of an M22 bi-color indicator lamp of claim 1, wherein: and the four light-emitting diodes are connected with the high-voltage diode in a common cathode or common anode mode.
6. The PCB board of an M22 bi-color indicator lamp of claim 5, wherein: when the four LEDs are connected in a common cathode mode, the cathodes of the two LEDs after the four LEDs are connected in series are connected in parallel and then connected with the resistor, the resistor is connected with the anode of the high-voltage diode, the cathode of the high-voltage diode is connected with the cathode of the power supply, and the anodes of the two LEDs after the four LEDs are connected in series are respectively connected with the anode of the power supply.
7. The PCB board of an M22 bi-color indicator lamp of claim 5, wherein: when the four LEDs are connected in a common anode mode, anodes of two LEDs after the four LEDs are connected in series are connected in parallel and then connected with the resistor, the resistor is connected with a negative electrode of the high-voltage diode, the anode of the high-voltage diode is connected with the anode of the power supply, and cathodes of two LEDs after the four LEDs are connected in series are respectively connected with the cathode of the power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022210538.9U CN213752705U (en) | 2020-09-30 | 2020-09-30 | M22 double-color indicator lamp PCB board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022210538.9U CN213752705U (en) | 2020-09-30 | 2020-09-30 | M22 double-color indicator lamp PCB board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213752705U true CN213752705U (en) | 2021-07-20 |
Family
ID=76847739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022210538.9U Active CN213752705U (en) | 2020-09-30 | 2020-09-30 | M22 double-color indicator lamp PCB board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213752705U (en) |
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2020
- 2020-09-30 CN CN202022210538.9U patent/CN213752705U/en active Active
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