CN211128281U - L ED lamp drive circuit - Google Patents
L ED lamp drive circuit Download PDFInfo
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- CN211128281U CN211128281U CN201921250309.0U CN201921250309U CN211128281U CN 211128281 U CN211128281 U CN 211128281U CN 201921250309 U CN201921250309 U CN 201921250309U CN 211128281 U CN211128281 U CN 211128281U
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- circuit
- control circuit
- lamp
- power supply
- crystal oscillator
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Abstract
The utility model relates to an L ED lamp drive circuit, which comprises a power supply, the alarm circuit, prevent connecing reverse circuit and control circuit, the power both ends have connected gradually alarm circuit, prevent connecing reverse circuit and control circuit, control circuit includes the chip, crystal oscillator Y1, L ED lamp D1 and L ED lamp D2, the chip includes power input circuit, power output circuit, L ED control circuit and crystal oscillator control circuit, the XI end of crystal oscillator control circuit connects the one end of crystal oscillator Y1, the other end of crystal oscillator Y1 is connected to the XO end of this crystal oscillator control circuit, L2 end L ED lamp D1 of L ED control circuit is connected, this L ED lamp D2 is connected with L ED control circuit's L1 end electricity, prevent connecing reverse circuit and include diode D4 and relay J, diode D4's positive pole is connected with the positive pole of power, this diode D4 is connected in series with relay J's coil, the contact of this relay J-1 contact of power is connected with the positive pole of relay J-1, the other end of relay J-phase is connected with the chip.
Description
Technical Field
The utility model relates to the field of lighting technology, especially, relate to an L ED lamp drive circuit.
Background
At present, various L ED intelligent lamp controllers on the market are mostly realized by all hardware, the circuit structure is relatively complex, the function is single, once the intelligent lamp controllers are manufactured into finished products, the intelligent lamp controllers can only flash and emit light according to a fixed mode, parameters such as the brightness, the temperature and the flicker frequency of light can not be regulated and controlled according to different time and occasion requirements, in daily life, people can connect a battery reversely due to operation errors, when no alarm or protection is provided for a lower circuit, the damage to the lamp and the drive is easily caused, the service life of the lamp is greatly shortened, and the personal safety can be endangered.
SUMMERY OF THE UTILITY MODEL
To the present situation of the above prior art, the technical problem to be solved by the present invention is to provide an L ED lamp driving circuit to solve the prior art problems.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
a L ED lamp driving circuit comprises a power supply, an alarm circuit, an anti-reverse connection circuit and a control circuit, wherein the alarm circuit, the anti-reverse connection circuit and the control circuit are sequentially connected to two ends of the power supply, the control circuit comprises a chip, a crystal oscillator Y1, a L ED lamp D1 and an L ED lamp D2, the chip comprises a power supply input circuit, a power supply output circuit, a L ED control circuit and a crystal oscillator control circuit, the power supply input circuit is connected with an anode of the power supply, the power supply output circuit is connected with a cathode of the power supply, an XI end of the crystal oscillator control circuit is connected with one end of a crystal oscillator Y1, an XO end of the crystal oscillator control circuit is connected with the other end of the crystal oscillator Y1, a L2 end of the L ED control circuit is connected with a L ED lamp D1, the L ED lamp D1 is connected with a L ED lamp D2, a L ED lamp D2 is connected with an ED 2 end 695 of the series L control circuit, the anti-reverse connection circuit comprises a J56 and a J contact, and an anode contact of the relay J-J contact of the power supply J56, the relay J contact is connected with an anode contact of the relay J-J contact of the chip, and the relay J contact 4.
Preferably, the alarm circuit comprises a buzzer connected in series with a diode D3, and a diode D3, the diode D3 having its anode connected to the cathode of the power supply.
Preferably, the chip further includes a first signal receiving circuit, wherein the terminal OPT1 of the first signal receiving circuit is connected to one terminal of a switch S2, and the other terminal of the switch S2 is connected to the VDD terminal of the power input circuit.
Preferably, the chip further comprises a second signal receiving circuit, the SI terminal of the second signal receiving circuit is connected to one terminal of a tact switch S4, and the other terminal of the tact switch S4 is connected to the cathode of the power supply.
Compared with the prior art, the utility model has the advantages of:
the user can be according to the occasion of difference, the mode of time through pressing the switch or dabbing the switch, sends corresponding instruction to the chip, can carry out flicker frequency, light and shade and adjusting of changes in temperature to L ED lamp according to crystal oscillator Y1's frequency after the chip received the instruction, and this circuit can prevent that the battery from connecing reverse, and the battery connects the alarm of reverse back bee calling organ, and the relay contact actuation not, and control circuit is not electrified, can play the effect of protection to control circuit, the utility model relates to a rationally, accord with the market demand, be fit for promoting.
Drawings
Fig. 1 is a circuit diagram of the present invention.
Detailed Description
As shown in fig. 1, the portable electronic device comprises a power supply, an alarm circuit, an anti-reverse connection circuit and a control circuit, wherein the alarm circuit, the anti-reverse connection circuit and the control circuit are sequentially connected to two ends of the power supply, the control circuit comprises a chip, a crystal oscillator Y1, a L ED lamp D1 and a L ED lamp D2, the chip comprises a power supply input circuit, a power supply output circuit, a L ED control circuit and a crystal oscillator control circuit, the power supply input circuit is connected with an anode of the power supply, the power supply output circuit is connected with a cathode of the power supply, an XI end of the crystal oscillator control circuit is connected with one end of the crystal oscillator Y1, an XO end of the crystal oscillator control circuit is connected with the other end of the crystal oscillator Y1, a L2 end of the ED L ED control circuit is connected with a L ED lamp D1, a L D L lamp D2 is connected with an anode of the crystal oscillator Y6865D lamp D2, the anti-reverse connection circuit is connected with an anode 6342D and J28 of the relay L D contact of the power supply, and a J contact of the relay J591 is connected with an anode contact of the relay J-J9 of the power supply and the relay J contact of the relay J-J contact.
The working principle of the utility model is that when the power supply is correctly connected, the buzzer is not conducted under the action of the diode D3, the coil end of the relay J is electrified, the contact J-1 of the relay is attracted, the control circuit is electrified, the L ED lamp D1 and the L ED lamp D2 start to emit light, the flicker frequency, the brightness or the temperature of the L ED lamp D1 and the L ED lamp D2 need to be changed, the tact switch S4 or the switch S2 can be pressed to send an instruction to the chip, the chip is switched on the crystal oscillator Y1 after receiving the instruction, the current frequency flowing through the L ED lamp D1 and the L ED lamp D2 is controlled according to the vibration frequency of the crystal oscillator Y1, so as to achieve the purposes of adjusting the flicker frequency, the brightness or the temperature, when the power supply is reversely connected, the diode D3 is connected, the buzzer starts to emit alarm sound, the diode D4 is not connected, the coil J coil is not connected, the contact J-1 of the relay is disconnected, and the control circuit is protected.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (4)
1. A L ED lamp driving circuit is characterized by comprising a power supply, an alarm circuit, an anti-reverse connection circuit and a control circuit, wherein the alarm circuit, the anti-reverse connection circuit and the control circuit are sequentially connected with two ends of the power supply, the control circuit comprises a chip, a crystal oscillator Y1, a L ED lamp D1 and an 7370 ED lamp D2, the chip comprises a power supply input circuit, a power supply output circuit, a L ED control circuit and a crystal oscillator control circuit, the power supply input circuit is connected with the anode of the power supply, the power supply output circuit is connected with the cathode of the power supply, the XI end of the crystal oscillator control circuit is connected with one end of a crystal oscillator Y1, the XO end of the crystal oscillator control circuit is connected with the other end of the crystal oscillator Y1, the L end of the L ED control circuit is connected with a L lamp D1, the L ED lamp D1 is connected with a L ED lamp D2, the D2 is connected with an 6862 end of the ED control circuit L ED control circuit, the anti-reverse connection circuit comprises an ED contact 56 and a J-contact, the J-contact of the relay J8653, and the anode of the relay J-contact of the chip is connected with the anode of the J-contact 8653.
2. An L ED lamp driving circuit as claimed in claim 1, wherein the alarm circuit includes a buzzer connected in series with a diode D3 and a diode D3, the diode D3 having its anode connected to the cathode of the power supply.
3. An L ED lamp driving circuit as claimed in claim 2, wherein the chip further includes a first signal receiving circuit, the OPT1 terminal of the first signal receiving circuit is connected to one terminal of a switch S2, and the other terminal of the switch S2 is connected to the VDD terminal of the power input circuit.
4. An L ED lamp driving circuit as claimed in claim 3, wherein the chip further includes a second signal receiving circuit, the SI terminal of the second signal receiving circuit is connected to one terminal of a tact switch S4, and the other terminal of the tact switch S4 is connected to the cathode of the power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921250309.0U CN211128281U (en) | 2019-08-05 | 2019-08-05 | L ED lamp drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921250309.0U CN211128281U (en) | 2019-08-05 | 2019-08-05 | L ED lamp drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211128281U true CN211128281U (en) | 2020-07-28 |
Family
ID=71701921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921250309.0U Active CN211128281U (en) | 2019-08-05 | 2019-08-05 | L ED lamp drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211128281U (en) |
-
2019
- 2019-08-05 CN CN201921250309.0U patent/CN211128281U/en active Active
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