CN217985459U - Wireless magnetic track lamp driving circuit - Google Patents

Wireless magnetic track lamp driving circuit Download PDF

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CN217985459U
CN217985459U CN202221038053.9U CN202221038053U CN217985459U CN 217985459 U CN217985459 U CN 217985459U CN 202221038053 U CN202221038053 U CN 202221038053U CN 217985459 U CN217985459 U CN 217985459U
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constant current
led constant
current driving
color temperature
circuit
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CN202221038053.9U
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文江梅
黄云
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Tailong Electronics Co ltd
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Tailong Electronics Co ltd
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Abstract

The utility model discloses a wireless magnetic track lamp driving circuit, which comprises an input rectification circuit, a Bluetooth module, a low color temperature LED constant current driving circuit and a high color temperature LED constant current driving circuit; the input rectification circuit is connected with the Bluetooth module, the low color temperature LED constant current driving circuit and the high color temperature LED constant current driving circuit and supplies power to the Bluetooth module, the low color temperature LED constant current driving circuit and the high color temperature LED constant current driving circuit; the Bluetooth module is connected with the low color temperature LED constant current driving circuit and the high color temperature LED constant current driving circuit respectively, and the Bluetooth module controls the low color temperature LED constant current driving circuit and the high color temperature LED constant current driving circuit to work. The utility model discloses can improve the installation effectiveness of magnetism track lamp of inhaling to make the user can come magnetism to inhale the track lamp through intelligent terminal and carry out the regulation of colour temperature, luminance, very big convenience of customers uses.

Description

Wireless magnetic track lamp driving circuit
Technical Field
The utility model relates to the field of electronic technology, especially indicate a track lamp drive circuit is inhaled to wireless magnetism.
Background
The magnetic track lamp is a lamp which is installed on a magnetic track and supplies power through the magnetic track, and the magnetic track lamp is generally used as a spot lamp in a place needing key illumination. The existing magnetic track lamp generally needs to be externally connected with a signal wire and a dimmer, and the color temperature and the brightness of the magnetic track lamp are adjusted through the dimmer, so that the magnetic track lamp is not convenient to use; and current magnetism is inhaled track lamp and is inhaled the track connection occasionally installation direction requirement with magnetism, requires magnetism to inhale the positive negative pole of track lamp and inhale orbital positive negative pole accuracy and be connected, influences the installation effectiveness.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a track lamp drive circuit is inhaled to wireless magnetism to overcome not enough among the prior art.
In order to achieve the above purpose, the solution of the present invention is:
a wireless magnetic track lamp driving circuit comprises an input rectifying circuit, a Bluetooth module, a low color temperature LED constant current driving circuit and a high color temperature LED constant current driving circuit;
the input rectification circuit is connected with the Bluetooth module, the low color temperature LED constant current driving circuit and the high color temperature LED constant current driving circuit and supplies power to the Bluetooth module, the low color temperature LED constant current driving circuit and the high color temperature LED constant current driving circuit; the Bluetooth module is connected with the low color temperature LED constant current driving circuit and the high color temperature LED constant current driving circuit respectively, and the Bluetooth module controls the low color temperature LED constant current driving circuit and the high color temperature LED constant current driving circuit to work.
The wireless magnetic track lamp driving circuit further comprises an LDO voltage stabilizing circuit, and the input rectifying circuit is connected with the Bluetooth module through the LDO voltage stabilizing circuit.
The LDO voltage stabilizing circuit comprises a voltage stabilizing chip U4, wherein an IN pin of the voltage stabilizing chip U4 is connected with the anode output end of the input rectifying circuit, a GND pin of the voltage stabilizing chip U4 is grounded, and an OUT pin of the voltage stabilizing chip U4 is connected with the power supply end of the Bluetooth module.
The input rectification circuit comprises a diode D1, a diode D2, a diode D3, wherein the anode of the diode D4 and the cathode of the diode D3 are connected with the first input end of the input rectification circuit, the cathode of the diode D1 and the cathode of the diode D2 are connected with the anode output end of the input rectification circuit, the anode of the diode D2 and the cathode of the diode D4 are connected with the second input end of the input rectification circuit, and the anode of the diode D4 and the anode of the diode D3 are connected with the cathode output end of the input rectification circuit and are grounded.
The input rectification circuit further comprises a TVS tube D5, the negative pole of the TVS tube D5 is connected with the positive pole output end of the input rectification circuit, and the positive pole of the TVS tube D5 is connected with the negative pole output end of the input rectification circuit.
The low color temperature LED constant current driving circuit comprises an LED constant current driving chip U1, a resistor RS2, an inductor L1, a capacitor Cled1, a diode DD1 and a low color temperature LED light source LED1; the VCC pin of the LED constant current driving chip U1, the cathode of the diode DD1, the first end of the resistor RS1 and the first end of the resistor RS2 are connected with the anode output end of the output rectification circuit, the GND pin of the LED constant current driving chip U1 is grounded, the DIM pin of the LED constant current driving chip U1 is connected with the Bluetooth module, the CSM pin of the LED constant current driving chip U1 is connected with the anode of the low color temperature LED light source LED1, the first end of the capacitor Cled1, the second end of the resistor RS1 and the second end of the resistor RS2, the SW pin of the LED constant current driving chip U1 is connected with the anode of the diode DD1 and the first end of the inductor L1, and the second end of the inductor L1 is connected with the cathode of the low color temperature LED light source LED1 and the second end of the capacitor Cled 1.
The model of the LED constant current driving chip U1 is PT4115.
The high color temperature LED constant current driving circuit comprises an LED constant current driving chip U2, a resistor RS3, a resistor RS4, an inductor L2, a capacitor Cled2, a diode DD2 and a high color temperature LED light source LED2; the VCC pin of the LED constant current driving chip U2, the cathode of the diode DD2, the first end of the resistor RS3 and the first end of the resistor RS4 are connected with the anode output end of the output rectification circuit, the GND pin of the LED constant current driving chip U2 is grounded, the DIM pin of the LED constant current driving chip U2 is connected with the Bluetooth module, the CSM pin of the LED constant current driving chip U2 is connected with the anode of the high color temperature LED light source LED2, the first end of the capacitor Cled2, the second end of the resistor RS3 and the second end of the resistor RS4, the SW pin of the LED constant current driving chip U2 is connected with the anode of the diode DD2 and the first end of the inductor L2, and the second end of the inductor L2 is connected with the cathode of the high color temperature LED light source LED2 and the second end of the capacitor Cled 2.
The model of the LED constant current driving chip U2 is PT4115.
Bluetooth module includes bluetooth chip U3, resistance R1 and resistance R2, and output rectifier circuit's positive output end is connected to bluetooth chip U3's VCC foot, and bluetooth chip U3's GND foot ground connection, and bluetooth chip U3's PWM4 feet are connected high colour temperature LED constant current drive circuit through resistance R1 ground connection and bluetooth chip U3's PWM4 feet, and bluetooth chip U3's 5 feet of PWM are connected low colour temperature LED constant current drive circuit through resistance R2 ground connection and bluetooth chip U3's PWM5 feet.
After the scheme is adopted, the input rectifying circuit is used for connecting the magnetic attraction track, so that the magnetic attraction track is used for supplying power to the wireless magnetic attraction track lamp driving circuit, the input rectifying circuit has a rectifying function, and the positive polarity and the negative polarity do not need to be distinguished when the input rectifying circuit is connected with the magnetic attraction track, so that the installation efficiency of the magnetic attraction track lamp is improved; and the utility model discloses a bluetooth module control low colour temperature LED constant current drive circuit and high colour temperature LED constant current drive circuit work, bluetooth module can directly carry out the bluetooth with intelligent terminal (like the cell-phone, the panel computer) and be connected, bluetooth module also can carry out remote communication with intelligent terminal through the bluetooth gateway and be connected, the user just so can be very convenient control bluetooth module through intelligent terminal, and then control low colour temperature LED constant current drive circuit and high colour temperature LED constant current drive circuit work and carry out the colour temperature to magnetism suction track lamp, the regulation of luminance, very big convenience of customers uses.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the specific embodiments below.
As shown in fig. 1, the utility model discloses a wireless magnetic track lamp driving circuit, which comprises an input rectification circuit, a bluetooth module, a low color temperature LED constant current driving circuit and a high color temperature LED constant current driving circuit; the input rectification circuit is connected with the Bluetooth module, the low color temperature LED constant current driving circuit and the high color temperature LED constant current driving circuit and supplies power to the Bluetooth module, the low color temperature LED constant current driving circuit and the high color temperature LED constant current driving circuit; the Bluetooth module is connected with the low color temperature LED constant current driving circuit and the high color temperature LED constant current driving circuit respectively, and the Bluetooth module controls the low color temperature LED constant current driving circuit and the high color temperature LED constant current driving circuit to work.
In the utility model, the input rectification circuit is used for connecting the magnetic attraction track to ensure that the magnetic attraction track is the power supply of the wireless magnetic attraction track lamp driving circuit, the input rectification circuit has the rectification function, so that the positive polarity and the negative polarity do not need to be distinguished when the input rectification circuit is connected with the magnetic attraction track, thereby being beneficial to improving the installation efficiency of the magnetic attraction track lamp; and the utility model discloses a bluetooth module control low colour temperature LED constant current drive circuit and high colour temperature LED constant current drive circuit work, bluetooth module can directly carry out the bluetooth with intelligent terminal (like the cell-phone, the panel computer) and be connected, bluetooth module also can carry out remote communication with intelligent terminal through the bluetooth gateway and be connected, the user just so can be very convenient control bluetooth module through intelligent terminal, and then control low colour temperature LED constant current drive circuit and high colour temperature LED constant current drive circuit work and carry out the colour temperature to magnetism suction track lamp, the regulation of luminance, very big convenience of customers uses.
The utility model discloses in, input rectifier circuit is full-bridge rectifier circuit, this input rectifier circuit specifically can include diode D1, diode D2, diode D3, diode D4's the positive pole and diode D3's negative pole connect this input rectifier circuit's first input, this input rectifier circuit's positive output is connected to diode D1's negative pole and diode D2's negative pole, this input rectifier circuit's second input is connected to diode D2's the positive pole and diode D4's negative pole, this input rectifier circuit's negative output and ground connection are connected to diode D4's the positive pole and diode D3's positive pole. Input rectifier circuit still can include TVS pipe D5, and this input rectifier circuit's positive output is connected to TVS pipe D5's negative pole, and this input rectifier circuit's negative pole output is connected to TVS pipe D5's positive pole, and TVS pipe D5 can clamp input rectifier circuit's output voltage when the voltage sudden change to protection back-end circuit.
In the utility model, the bluetooth module can include bluetooth chip U3, resistance R1 and resistance R2, the VCC foot of bluetooth chip U3 connects the positive output end of output rectifier circuit, the GND foot of bluetooth chip U3 is grounded, the PWM4 foot of bluetooth chip U3 is grounded through resistance R1 and the PWM4 foot of bluetooth chip U3 connects the high color temperature LED constant current drive circuit, the PWM5 foot of bluetooth chip U3 is grounded through resistance R2 and the PWM5 foot of bluetooth chip U3 connects the low color temperature LED constant current drive circuit; and the Bluetooth chip U3 controls the duty ratio of PWM signals output by the PWM4 pin and the PWM5 pin according to the received control signal, and further controls the low-color-temperature LED constant-current drive circuit and the high-color-temperature LED constant-current drive circuit. The utility model discloses a track lamp drive circuit is inhaled to wireless magnetism still can LDO voltage stabilizing circuit, and input rectifier circuit passes through LDO voltage stabilizing circuit to be connected with bluetooth module, and bluetooth chip U3's VCC foot passes through LDO voltage stabilizing circuit to be connected output rectifier circuit's positive output end; the LDO voltage stabilizing circuit is used for adjusting the input rectifying circuit and outputting the voltage which is in accordance with the working voltage of a Bluetooth chip U3 of the Bluetooth module; the LDO voltage stabilizing circuit comprises a voltage stabilizing chip U4, the model of the voltage stabilizing chip U4 can be LM2936HVBMA-3.3, an IN pin of the voltage stabilizing chip U4 is connected with the anode output end of the input rectifying circuit, a GND pin of the voltage stabilizing chip U4 is grounded, and an OUT pin of the voltage stabilizing chip U4 is connected with a power supply end of the Bluetooth module (namely a VCC pin of the Bluetooth chip U3); the LDO voltage stabilizing circuit can further comprise a capacitor C5 and a capacitor C6, the IN pin of the voltage stabilizing chip U4 is grounded through the capacitor C6, the OUT pin of the voltage stabilizing chip U4 is grounded through the capacitor C5, and the capacitor C5 and the capacitor C6 can enable the output of the LDO voltage stabilizing circuit to be stable.
In the utility model, the low color temperature LED constant current driving circuit includes an LED constant current driving chip U1, a resistor RS2, an inductor L1, a capacitor Cled1, a diode DD1, and a low color temperature LED light source LED1; the VCC pin of the LED constant current driving chip U1, the cathode of the diode DD1, the first end of the resistor RS1 and the first end of the resistor RS2 are connected with the anode output end of the output rectification circuit, the GND pin of the LED constant current driving chip U1 is grounded, the DIM pin of the LED constant current driving chip U1 is connected with the Bluetooth module, the CSM pin of the LED constant current driving chip U1 is connected with the anode of the low color temperature LED light source LED1, the first end of the capacitor Cled1, the second end of the resistor RS1 and the second end of the resistor RS2, the SW pin of the LED constant current driving chip U1 is connected with the anode of the diode DD1 and the first end of the inductor L1, and the second end of the inductor L1 is connected with the cathode of the low color temperature LED light source LED1 and the second end of the capacitor Cled 1.
The LED constant current driving chip U1 can be in a type of PT4115, the LED constant current driving chip U1 in the type of PT4115 is high in driving capability, a CSM pin and a SW pin of the LED constant current driving chip U1 provide PWM dimming signals for the low color temperature LED light source LED1, a resistor RS1 and a resistor RS2 are used for setting working current of the low color temperature LED light source LED1, a diode DD1 is used for providing a discharging loop for an inductor L1, and a capacitor Cled1 is used for stabilizing the working current of the low color temperature LED light source LED1; the VCC pin of the LED constant current driving chip U1 can be grounded through the capacitor C1, so that the voltage of the VCC pin of the LED constant current driving chip U1 is more stable.
In the utility model, the high color temperature LED constant current driving circuit includes an LED constant current driving chip U2, a resistor RS3, a resistor RS4, an inductor L2, a capacitor Cled2, a diode DD2, and a high color temperature LED light source LED2; the VCC pin of the LED constant current driving chip U2, the cathode of the diode DD2, the first end of the resistor RS3 and the first end of the resistor RS4 are connected with the anode output end of the output rectification circuit, the GND pin of the LED constant current driving chip U2 is grounded, the DIM pin of the LED constant current driving chip U2 is connected with the Bluetooth module, the CSM pin of the LED constant current driving chip U2 is connected with the anode of the high color temperature LED light source LED2, the first end of the capacitor Cled2, the second end of the resistor RS3 and the second end of the resistor RS4, the SW pin of the LED constant current driving chip U2 is connected with the anode of the diode DD2 and the first end of the inductor L2, and the second end of the inductor L2 is connected with the cathode of the high color temperature LED light source LED2 and the second end of the capacitor Cled 2. The LED constant current driving chip U2 can be in a type of PT4115, the LED constant current driving chip U2 in the type of PT4115 is high in driving capability, a CSM pin and a SW pin of the LED constant current driving chip U2 provide PWM dimming signals for the high-color-temperature LED light source LED2, a resistor RS3 and a resistor RS4 are used for setting working current of the high-color-temperature LED light source LED2, a diode DD2 is used for providing a discharging loop for an inductor L2, and a capacitor Cled2 is used for stabilizing the working current of the high-color-temperature LED light source LED2; the VCC pin of the LED constant current driving chip U2 can be grounded through the capacitor C4, so that the voltage of the VCC pin of the LED constant current driving chip U2 is more stable.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims (10)

1. The utility model provides a track lamp drive circuit is inhaled to wireless magnetism which characterized in that: the LED constant current drive circuit comprises an input rectification circuit, a Bluetooth module, a low color temperature LED constant current drive circuit and a high color temperature LED constant current drive circuit;
the input rectification circuit is connected with the Bluetooth module, the low color temperature LED constant current driving circuit and the high color temperature LED constant current driving circuit and supplies power to the Bluetooth module, the low color temperature LED constant current driving circuit and the high color temperature LED constant current driving circuit;
the Bluetooth module is connected with the low color temperature LED constant current driving circuit and the high color temperature LED constant current driving circuit respectively, and the Bluetooth module controls the low color temperature LED constant current driving circuit and the high color temperature LED constant current driving circuit to work.
2. The wireless magnetic attraction track lamp driving circuit as claimed in claim 1, wherein: the input rectification circuit is connected with the Bluetooth module through the LDO voltage stabilizing circuit.
3. The wireless magnetic attraction track lamp driving circuit as claimed in claim 2, wherein: the LDO voltage stabilizing circuit comprises a voltage stabilizing chip U4, wherein an IN pin of the voltage stabilizing chip U4 is connected with the anode output end of the input rectifying circuit, a GND pin of the voltage stabilizing chip U4 is grounded, and an OUT pin of the voltage stabilizing chip U4 is connected with a power end of the Bluetooth module.
4. The wireless magnetic attraction track lamp driving circuit as claimed in claim 1 or 2, wherein: the input rectification circuit comprises a diode D1, a diode D2, a diode D3, wherein the anode of the diode D4 and the cathode of the diode D3 are connected with a first input end of the input rectification circuit, the cathode of the diode D1 and the cathode of the diode D2 are connected with an anode output end of the input rectification circuit, the anode of the diode D2 and the cathode of the diode D4 are connected with a second input end of the input rectification circuit, and the anode of the diode D4 and the anode of the diode D3 are connected with a cathode output end of the input rectification circuit and are grounded.
5. The wireless magnetic track lamp driving circuit of claim 4, wherein: the input rectification circuit further comprises a TVS tube D5, the negative electrode of the TVS tube D5 is connected with the positive electrode output end of the input rectification circuit, and the positive electrode of the TVS tube D5 is connected with the negative electrode output end of the input rectification circuit.
6. The wireless magnetic track lamp driving circuit according to claim 1 or 2, wherein: the low color temperature LED constant current driving circuit comprises an LED constant current driving chip U1, a resistor RS2, an inductor L1, a capacitor Cled1, a diode DD1 and a low color temperature LED light source LED1; the VCC pin of the LED constant current driving chip U1, the cathode of the diode DD1, the first end of the resistor RS1 and the first end of the resistor RS2 are connected with the anode output end of the output rectification circuit, the GND pin of the LED constant current driving chip U1 is grounded, the DIM pin of the LED constant current driving chip U1 is connected with the Bluetooth module, the CSM pin of the LED constant current driving chip U1 is connected with the anode of the low color temperature LED light source LED1, the first end of the capacitor Cled1, the second end of the resistor RS1 and the second end of the resistor RS2, the SW pin of the LED constant current driving chip U1 is connected with the anode of the diode DD1 and the first end of the inductor L1, and the second end of the inductor L1 is connected with the cathode of the low color temperature LED light source LED1 and the second end of the capacitor Cled 1.
7. The wireless magnetic attraction track lamp driving circuit as claimed in claim 6, wherein: the model of the LED constant current driving chip U1 is PT4115.
8. The wireless magnetic attraction track lamp driving circuit as claimed in claim 1 or 2, wherein: the high color temperature LED constant current driving circuit comprises an LED constant current driving chip U2, a resistor RS3, a resistor RS4, an inductor L2, a capacitor Cled2, a diode DD2 and a high color temperature LED light source LED2; the VCC pin of the LED constant current driving chip U2, the cathode of the diode DD2, the first end of the resistor RS3 and the first end of the resistor RS4 are connected with the anode output end of the output rectification circuit, the GND pin of the LED constant current driving chip U2 is grounded, the DIM pin of the LED constant current driving chip U2 is connected with the Bluetooth module, the CSM pin of the LED constant current driving chip U2 is connected with the anode of the high color temperature LED light source LED2, the first end of the capacitor Cled2, the second end of the resistor RS3 and the second end of the resistor RS4, the SW pin of the LED constant current driving chip U2 is connected with the anode of the diode DD2 and the first end of the inductor L2, and the second end of the inductor L2 is connected with the cathode of the high color temperature LED light source LED2 and the second end of the capacitor Cled 2.
9. The wireless magnetic track lamp driving circuit of claim 8, wherein: the model of the LED constant current driving chip U2 is PT4115.
10. The wireless magnetic attraction track lamp driving circuit as claimed in claim 1, wherein: bluetooth module includes bluetooth chip U3, resistance R1 and resistance R2, and output rectifier circuit's positive output end is connected to bluetooth chip U3's VCC foot, and bluetooth chip U3's GND foot ground connection, and bluetooth chip U3's PWM4 feet are connected high colour temperature LED constant current drive circuit through resistance R1 ground connection and bluetooth chip U3's PWM4 feet, and bluetooth chip U3's 5 feet of PWM are connected low colour temperature LED constant current drive circuit through resistance R2 ground connection and bluetooth chip U3's PWM5 feet.
CN202221038053.9U 2022-04-29 2022-04-29 Wireless magnetic track lamp driving circuit Active CN217985459U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221038053.9U CN217985459U (en) 2022-04-29 2022-04-29 Wireless magnetic track lamp driving circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221038053.9U CN217985459U (en) 2022-04-29 2022-04-29 Wireless magnetic track lamp driving circuit

Publications (1)

Publication Number Publication Date
CN217985459U true CN217985459U (en) 2022-12-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221038053.9U Active CN217985459U (en) 2022-04-29 2022-04-29 Wireless magnetic track lamp driving circuit

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