CN210491261U - LED lamp and LED lamp strip adjust luminance mixing of colors temperature control circuit - Google Patents
LED lamp and LED lamp strip adjust luminance mixing of colors temperature control circuit Download PDFInfo
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- CN210491261U CN210491261U CN201921640841.3U CN201921640841U CN210491261U CN 210491261 U CN210491261 U CN 210491261U CN 201921640841 U CN201921640841 U CN 201921640841U CN 210491261 U CN210491261 U CN 210491261U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The utility model relates to a LED lamp and LED lamp strip adjust luminance mixing of colors temperature control circuit, including power supply circuit, signal detection circuit, discernment control circuit, output control circuit. The power supply circuit converts the power supply into 5V voltage and supplies power to the identification control circuit. The signal detection circuit is connected between the anode and the cathode of the power supply and is electrically connected with the identification control circuit so as to identify the switching signal of the power supply and generate a pulse signal to be supplied to the identification control circuit. The identification control circuit comprises an MCU with an EEPROM to identify the switching pulse signal and output a PWM adjusting signal to the output control circuit. The output control circuit is electrically connected with the recognition control circuit to receive the PWM adjusting signal and adjust the brightness and/or color temperature of the LED lamp strip connected with the output control circuit, an external dimming and color-adjusting control system is not needed, the positive and negative power lines of the lamp strip are connected to the switch power supply just like using a conventional monochromatic lamp strip, and the dimming and color-adjusting are realized by controlling the on-off of the power supply through a common switch.
Description
Technical Field
The utility model relates to a LED lamp field, more specifically say, relate to a LED lamp and LED lamp strip mix colours and temperature control circuit of adjusting luminance.
Background
The LED lamp strip on the current market mostly adopts external control system to realize adjusting luminance and mixing of colors temperature function, and the selection of colour temperature and luminance is mostly realized adopting the remote controller.
The power matching and wiring modes of the control system, the remote controller, the power supply and the lamp strip have certain professionalism, and a certain threshold is provided for general users; in practical application, the wiring is also complicated.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the loaded down with trivial details defect of the above-mentioned control of prior art, a LED lamp and LED lamp strip mixing of colors temperature control circuit of adjusting luminance is provided.
The utility model provides a technical scheme that its technical problem adopted is: the LED light bar dimming and color temperature adjusting control circuit comprises a power supply circuit, a signal detection circuit, an identification control circuit and an output control circuit;
the power supply circuit converts a power supply into 5V voltage and supplies power to the identification control circuit;
the signal detection circuit is connected between the anode and the cathode of the power supply and is electrically connected with the identification control circuit so as to identify the switching signal of the power supply and generate a pulse signal to be supplied to the identification control circuit;
the identification control circuit comprises an MCU with an EEPROM to identify a switching pulse signal and output a PWM (pulse width modulation) adjusting signal to the output control circuit;
the output control circuit is electrically connected with the identification control circuit to receive the PWM adjusting signal and adjust the brightness and/or color temperature of the LED lamp strip connected with the output control circuit.
Preferably, the power supply circuit comprises a resistor R1, a voltage regulator tube D1, a resistor R2, a triode Q1, a capacitor C1 and a capacitor C2, wherein one end of the resistor R1 is connected with the voltage regulator tube D1 in series, the other end of the resistor R1 is connected with the positive electrode, and the other end of the voltage regulator tube D1 is connected with the negative electrode;
the base electrode of the triode Q1 is connected with the resistor R1 and the voltage regulator tube D1;
one end of the capacitor C1 is connected with the collector and emitter of the triode Q1, the other end of the capacitor C1 is connected with the negative electrode, one end of the resistor R2 is connected with the positive electrode, the other end of the resistor R2 is connected with the collector and emitter of the triode Q1, the current is limited through the resistor R2, and then the capacitor C1 is charged through the emitter of the triode Q1;
the capacitor C2 is connected in parallel with the capacitor C1, and one end of the capacitor C2 connected with the emitter of the triode Q1 is also electrically connected with the MCU, so that stable working voltage is provided for the MCU after the capacitor C2 filters the MCU.
Preferably, the signal detection circuit comprises a resistor R3 and a resistor R4 which are connected in series between the positive pole and the negative pole, the MCU is connected between the resistor R3 and the resistor R4 and connected with the negative pole, and after a switch on-off signal is generated, a pulse signal is generated between the resistor R3 and the resistor R4 and is supplied to the MCU.
Preferably, the output control circuit comprises at least one control branch for receiving the PWM adjusting signal and adjusting the brightness and/or color temperature of the LED light bar connected to the control branch.
Preferably, the output control circuit comprises a plurality of modulation control branches connected in parallel.
Preferably, the control branch comprises a resistor R5 and a transistor Q2, one end of the R5 is connected to the MCU, the other end of the R5 is connected to the base of the transistor Q2, the collector and emitter of the transistor Q2 are connected to the LED light bar, and the emitter of the transistor Q2 is connected to the negative electrode.
The LED lamp comprises an LED lamp strip control circuit and an LED lamp strip connected with an output control circuit of the LED lamp strip dimming and color temperature adjusting control circuit.
Implement the utility model discloses a LED lamp and LED lamp strip mix colours and heats temperature control circuit that adjusts luminance has following beneficial effect: the LED light bar dimming and color temperature adjusting control circuit does not need to be externally connected with a dimming and color temperature adjusting controller and other complicated control systems, a user only needs to connect the positive and negative power lines of the light bar to the switching power supply just like using a conventional single-color light bar, the on-off of the power supply can be controlled through a common switch, and the dimming and color temperature adjusting function is easily realized.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic connection diagram of an LED light bar control circuit of an LED lamp according to an embodiment of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the LED lamp in a preferred embodiment of the present invention includes an LED light bar dimming and color temperature adjusting control circuit 1 and an LED light bar 2, wherein the LED light bar dimming and color temperature adjusting control circuit 1 includes a power supply circuit 11, a signal detection circuit 12, an identification control circuit 13, and an output control circuit 14; the LED lamp strip 2 is connected with an output control circuit 14 of the LED lamp strip dimming and color temperature adjusting control circuit 1.
The power supply circuit 11 converts the power supply into a voltage of 5V and supplies power to the recognition control circuit 13. The signal detection circuit 12 is connected between the positive pole and the negative pole of the power supply and is electrically connected with the identification control circuit 13 to identify the switching signal of the power supply and generate a pulse signal to be supplied to the identification control circuit 13.
The recognition control circuit 13 includes an MCU with an EEPROM (nonvolatile memory) to recognize the switching Pulse signal and output a PWM (Pulse Width Modulation) adjustment signal to the output control circuit 14.
The output control circuit 14 is electrically connected to the recognition control circuit 13 to receive the PWM adjusting signal and adjust the brightness and/or color temperature of the LED light bar 2 connected to the output control circuit 14.
The realization function of the scheme is as follows: when the lamp strip power supply is turned off through the external switch and is rapidly turned on again, the LED lamp strip 2 is turned on gradually, or the color temperature is changed from warm white to white, or the brightness and the color temperature are simultaneously changed gradually, and the power supply is turned off immediately and is rapidly turned on again at the corresponding brightness and the color temperature desired by the user, so that the lamp strip is fixed to the current brightness and the color temperature.
The LED light bar dimming and color temperature adjusting control circuit 1 does not need to be externally connected with a dimming and color temperature adjusting controller and other complicated control systems, and a user only needs to connect the positive and negative power lines of the light bar to a switch power supply just like using a conventional single-color light bar, so that the on-off of the power supply can be controlled through a common switch, and the dimming and color temperature adjusting functions can be easily realized.
In some embodiments, the power supply circuit 11 includes a resistor R1, a voltage regulator D1, a resistor R2, a transistor Q1, a capacitor C1, and a capacitor C2.
One end of a resistor R1 is connected with a voltage regulator tube D1 in series, the other end of a resistor R1 is connected with the positive electrode, the other end of the voltage regulator tube D1 is connected with the negative electrode, the base electrode of a triode Q1 is connected with a resistor R1 and a voltage regulator tube D1, the positive electrode of a power supply is connected with a 5.1V voltage regulator tube D1 in series after current-limiting and voltage-dividing through the resistor R1, 5.1V voltage is established between the base electrode of a triode Q1 and the ground, and the triode is conducted.
One end of the capacitor C1 is connected to the collector and emitter of the transistor Q1, and the other end is connected to the cathode. One end of the resistor R2 is connected with the positive electrode, the other end is connected with the collector and emitter of the triode Q1, the current is limited through the resistor R2, and then the high-capacity energy storage capacitor C1 is charged through the emitter of the triode Q1.
The capacitor C2 is connected in parallel with the capacitor C1, and one end of the capacitor C2 connected to the emitter of the transistor Q1 is electrically connected to the MCU to provide a stable operating voltage to the MCU after being filtered by the capacitor C2.
The signal detection circuit 12 includes a resistor R3 and a resistor R4 connected in series between the positive electrode and the negative electrode, and the resistor R3 and the resistor R4 constitute a voltage division structure. The MCU is connected with the resistor R3 and the resistor R4 and the negative electrode, and after the on-off signal of the switch is generated, a pulse signal is generated between the resistor R3 and the resistor R4 and is supplied to the MCU.
The core of the identification control circuit 13 is composed of an MCU with an EEPROM and is used for identifying the switching pulse signal, and outputting a PWM dimming and color mixing signal for driving the output control circuit 14 through corresponding operation.
The output control circuit 14 includes one or several parallel control branches 141 to receive the PWM adjusting signal and adjust the brightness and/or color temperature of the LED light bar 2 connected to the control branches 141.
Further, the control branch 141 includes a resistor R5 and a transistor Q2, one end of the resistor R5 is connected to the MCU, the other end is connected to the base of the transistor Q2, the collector and emitter of the transistor Q2 are connected to the LED light bar 2, and the emitter of the transistor Q2 is connected to the negative electrode.
It is to be understood that the above-described respective technical features may be used in any combination without limitation.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (7)
1. A light and color temperature adjusting control circuit for an LED light bar is characterized by comprising a power supply circuit (11), a signal detection circuit (12), an identification control circuit (13) and an output control circuit (14);
the power supply circuit (11) converts a power supply into 5V voltage and supplies power to the identification control circuit (13);
the signal detection circuit (12) is connected between the anode and the cathode of the power supply and is electrically connected with the identification control circuit (13) so as to identify the switching signal of the power supply and generate a pulse signal to be supplied to the identification control circuit (13);
the identification control circuit (13) comprises an MCU with an EEPROM to identify a switching pulse signal and output a PWM (pulse width modulation) adjusting signal to the output control circuit (14);
the output control circuit (14) is electrically connected with the identification control circuit (13) to receive the PWM adjusting signal and adjust the brightness and/or color temperature of the LED lamp strip (2) connected with the output control circuit (14).
2. The LED light bar dimming and color temperature adjusting control circuit according to claim 1, wherein the power supply circuit (11) comprises a resistor R1, a voltage regulator tube D1, a resistor R2, a triode Q1, a capacitor C1 and a capacitor C2, one end of the resistor R1 is connected with the voltage regulator tube D1 in series, the other end of the resistor R1 is connected with a positive electrode, and the other end of the voltage regulator tube D1 is connected with a negative electrode;
the base electrode of the triode Q1 is connected with the resistor R1 and the voltage regulator tube D1;
one end of the capacitor C1 is connected with the collector and emitter of the triode Q1, the other end of the capacitor C1 is connected with the negative electrode, one end of the resistor R2 is connected with the positive electrode, the other end of the resistor R2 is connected with the collector and emitter of the triode Q1, the current is limited through the resistor R2, and then the capacitor C1 is charged through the emitter of the triode Q1;
the capacitor C2 is connected in parallel with the capacitor C1, and one end of the capacitor C2 connected with the emitter of the triode Q1 is also electrically connected with the MCU, so that stable working voltage is provided for the MCU after the capacitor C2 filters the MCU.
3. The LED light bar dimming and color temperature adjusting control circuit according to claim 2, wherein the signal detection circuit (12) comprises a resistor R3 and a resistor R4 connected in series between a positive electrode and a negative electrode, the MCU is connected between the resistor R3 and the resistor R4 and connected with the negative electrode, and after a switch on-off signal is generated, a pulse signal is generated between the resistor R3 and the resistor R4 and is supplied to the MCU.
4. The LED light bar dimming and color temperature adjusting control circuit according to any one of claims 1 to 3, wherein the output control circuit (14) comprises at least one control branch (141) for receiving the PWM adjusting signal to adjust the brightness and/or color temperature of the LED light bar (2) connected to the control branch (141).
5. The LED light bar dimming and color temperature adjusting control circuit according to claim 4, wherein the output control circuit (14) comprises a plurality of control branches (141) connected in parallel.
6. The LED light bar dimming and color temperature adjusting control circuit according to claim 4, wherein the control branch (141) comprises a resistor R5 and a transistor Q2, one end of the R5 is connected with the MCU, the other end of the R5 is connected with the base of the transistor Q2, the collector-emitter connection of the transistor Q2 is connected with the LED light bar (2), and the emitter of the transistor Q2 is connected with the cathode.
7. An LED lamp, comprising the LED light bar control circuit (1) of any one of claims 1 to 6, and an LED light bar (2) connected to the output control circuit (14) of the LED light bar dimming and color temperature control circuit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921640841.3U CN210491261U (en) | 2019-09-27 | 2019-09-27 | LED lamp and LED lamp strip adjust luminance mixing of colors temperature control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921640841.3U CN210491261U (en) | 2019-09-27 | 2019-09-27 | LED lamp and LED lamp strip adjust luminance mixing of colors temperature control circuit |
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| Publication Number | Publication Date |
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| CN210491261U true CN210491261U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921640841.3U Active CN210491261U (en) | 2019-09-27 | 2019-09-27 | LED lamp and LED lamp strip adjust luminance mixing of colors temperature control circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112383984A (en) * | 2020-10-22 | 2021-02-19 | 宁波鑫合瑞电子有限公司 | USB-powered color temperature adjusting lamp strip control method and controller |
| CN112469161A (en) * | 2020-10-22 | 2021-03-09 | 宁波鑫合瑞电子有限公司 | USB-powered combined lamp strip control method and controller |
-
2019
- 2019-09-27 CN CN201921640841.3U patent/CN210491261U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112383984A (en) * | 2020-10-22 | 2021-02-19 | 宁波鑫合瑞电子有限公司 | USB-powered color temperature adjusting lamp strip control method and controller |
| CN112469161A (en) * | 2020-10-22 | 2021-03-09 | 宁波鑫合瑞电子有限公司 | USB-powered combined lamp strip control method and controller |
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