CN220830550U - Touch sensitivity control circuit of LED lamp - Google Patents
Touch sensitivity control circuit of LED lamp Download PDFInfo
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- CN220830550U CN220830550U CN202322198487.6U CN202322198487U CN220830550U CN 220830550 U CN220830550 U CN 220830550U CN 202322198487 U CN202322198487 U CN 202322198487U CN 220830550 U CN220830550 U CN 220830550U
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Abstract
The utility model discloses a touch sensitivity control circuit of an LED lamp, which comprises an adapter interface and a rechargeable battery BAT, wherein the adapter interface is connected with a charging circuit and an adapter power supply identification circuit, the adapter power supply identification circuit is sequentially connected with a touch sensitivity switching circuit which is switched to low touch sensitivity when a power adapter supplies power, and a touch control circuit which detects touch signals according to the touch sensitivity set by the touch sensitivity switching circuit and adjusts the brightness of an LED lamp group according to the touch signals, the touch control circuit is connected with a touch signal input assembly, and the rechargeable battery BAT supplies power to the adapter power supply identification circuit, the touch control circuit and the LED lamp group respectively, so that the LED lamp can work in different power supply modes to automatically match the optimal touch adjustment sensitivity, the LED lamp can accurately detect touch input signals in different power supply modes, and the touch control accuracy of the LED lamp is ensured.
Description
[ Technical field ]
The utility model relates to the field of lamps, in particular to a touch sensitivity control circuit of an LED lamp.
[ Background Art ]
In the existing LED lamp products which are simultaneously applicable to the adapter and the rechargeable battery, when in actual use, the touch sensitivity of touch input signals of the LED lamp is easy to deviate in different power supply modes. When the power supply mode of the rechargeable battery is converted into the power supply mode of the adapter, false triggering control easily occurs due to excessively sensitive touch signal input detection of part of LED lamp products; when the power supply mode of the adapter is converted into the power supply mode of the rechargeable battery, the situation that touch signal input is insensitive to detection, touch input is difficult to detect and cannot control the LED lamp, and abnormal touch control of the LED lamp is caused easily occurs.
[ Summary of the utility model ]
The utility model overcomes the defects of the prior art and provides the touch sensitivity control circuit of the LED lamp.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a LED lamps and lanterns touch sensitivity control circuit which characterized in that: the LED lamp set comprises an adapter interface and a rechargeable battery BAT, wherein the adapter interface is connected with the adapter interface and the rechargeable battery BAT, the adapter interface is connected with a charging circuit for charging the rechargeable battery BAT and an adapter power supply identification circuit for detecting whether the adapter is connected with the power adapter for supplying power, the adapter power supply identification circuit is sequentially connected with a touch sensitivity switching circuit which is switched to be low in touch sensitivity when the power adapter supplies power, a touch control circuit for detecting touch signals according to the touch sensitivity set by the touch sensitivity switching circuit and adjusting the brightness of the LED lamp set according to the touch signals, the touch control circuit is connected with a touch signal input assembly for inputting the touch signals, and the rechargeable battery BAT is used for supplying power to the adapter power supply identification circuit, the touch control circuit and the LED lamp set respectively.
The LED lamp touch sensitivity control circuit is characterized in that: the charging circuit is connected with a voltage stabilizing circuit, and the voltage stabilizing circuit supplies power to the adapter power supply identification circuit and the touch control circuit respectively.
The LED lamp touch sensitivity control circuit is characterized in that: the touch control circuit is connected with an ON/OFF control switch for controlling the power supply.
The LED lamp touch sensitivity control circuit is characterized in that: the charging circuit comprises a charging control chip U1, a pin 1 and a pin 3 of the charging control chip U1 are respectively grounded, a pin 2 of the charging control chip U1 is grounded through a resistor R2, a pin 4 of the charging control chip U1 is respectively connected with a pin 8 of the charging control chip U1, one end of a capacitor C1 and an adapter interface, the other end of the capacitor C1 is grounded, a pin 6-7 of the charging control chip U1 is respectively connected with the negative end of an electric quantity display lamp set D0, the positive end of the electric quantity display lamp set D0 is connected with the adapter interface through a resistor R1, a pin 5 of the charging control chip U1 is respectively connected with one end of the capacitor C2 and the positive end of a rechargeable battery BAT, and the other end of the capacitor C2 and the other end of the rechargeable battery BAT are respectively grounded.
The LED lamp touch sensitivity control circuit is characterized in that: the adapter power supply identification circuit comprises a control chip U4, a control chip U4 pin 1 is connected with the touch control circuit through a resistor R17, a control chip U4 pin 2 is grounded, a control chip U4 pin 3 is connected with the touch sensitivity switching circuit to switch touch sensitivity when the power adapter supplies power, a control chip U4 pin 5 is connected with the voltage stabilizing circuit, a control chip U4 pin 6 is respectively connected with one end of a resistor R15, one end of a capacitor C10 and one end of a resistor R16, the other end of the capacitor C10 and the other end of the resistor R16 are respectively grounded, and the other end of the resistor R15 and an adapter interface detect whether the power adapter is connected.
The LED lamp touch sensitivity control circuit is characterized in that: the touch sensitivity switching circuit comprises a MOS tube Q3, wherein the grid end of the MOS tube Q3 is connected with the adapter power supply identification circuit through a resistor R18, the source end of the MOS tube Q3 is grounded, the drain end of the MOS tube Q3 is respectively connected with one end of a capacitor C6 and one end of a capacitor C7, the other end of the capacitor C6 is respectively connected with the other end of the capacitor C7, one end of the capacitor C8, one end of the capacitor C9 and the touch control circuit, and the other end of the capacitor C8 and the other end of the capacitor C9 are respectively grounded.
The LED lamp touch sensitivity control circuit is characterized in that: the touch control circuit comprises a control chip U3, a pin 1 of the control chip U3 is respectively connected with one end of a capacitor C5 and a voltage stabilizing circuit, the other end of the capacitor C5 is grounded, a pin 2 of the control chip U3 is connected with a touch sensitivity switching circuit to set touch sensitivity, the pin 3 of the control chip U3 is respectively connected with one end of a resistor R8 and an ON/OFF control switch, the other end of the resistor R8 is connected with the voltage stabilizing circuit, a pin 4-5 of the control chip U3 is respectively connected with an LED lamp set, a pin 6 of the control chip U3 is connected with a touch signal input assembly, a pin 7 of the control chip U3 is respectively connected with one end of a resistor R19 and an adapter power supply identification circuit, and the other end of the resistor R19 and a pin 8 of the control chip U3 are respectively grounded.
The LED lamp touch sensitivity control circuit is characterized in that: the voltage stabilizing circuit comprises a voltage stabilizing chip U2, a pin 2 of the voltage stabilizing chip U2 is respectively connected with one end of a capacitor C3, the positive end of a rechargeable battery BAT and the charging circuit, a pin 3 of the voltage stabilizing chip U2 is connected with one end of a capacitor C4, the other end of the capacitor C3 is grounded, a pin 1 of the voltage stabilizing chip U2 and the other end of the capacitor C4 are respectively grounded, and a power supply VDD output by a pin 3 of the voltage stabilizing chip U2 is respectively supplied to the adapter power supply identification circuit and the touch control circuit.
The LED lamp touch sensitivity control circuit is characterized in that: the touch signal input assembly comprises a resistor R3 connected with the touch control circuit, and the other end of the resistor R3 is connected with the touch metal lampshade through a capacitor C11 to input a touch signal.
The LED lamp touch sensitivity control circuit is characterized in that: the LED lamp sets comprise a first LED lamp set and a second LED lamp set, the first LED lamp set comprises a MOS tube Q1, the grid end of the MOS tube Q1 is respectively connected with one end of a resistor R5 and one end of a resistor R4, the other end of the resistor R4 is connected with a touch control circuit, the other end of the resistor R5 is grounded, the source end of the MOS tube Q1 is grounded, the drain end of the MOS tube Q1 is respectively connected with one end of a resistor R11, one end of a resistor R12, one end of a resistor R13 and one end of a resistor R14, the other end of the resistor R11 is respectively connected with the other end of the resistor R12, the other end of the resistor R13, the other end of the resistor R14 and the negative ends of a plurality of LED lamps, and the positive ends of the LED lamps are respectively connected with the positive end of a rechargeable battery BAT and a charging circuit; the second LED lamp group comprises a triode Q2, the base electrode of the triode Q2 is respectively connected with one end of a resistor R7 and one end of a resistor R6, the other end of the resistor R6 is connected with a touch control circuit, the other end of the resistor R7 is grounded, the emitting electrode of the triode Q2 is grounded, the collecting electrode of the triode Q2 is respectively connected with one end of a resistor R9 and one end of a resistor R10, the other end of the resistor R9 is respectively connected with the other end of the resistor R10 and the negative ends of a plurality of LED lamps, and the positive ends of the LED lamps are respectively connected with the positive end of a rechargeable battery BAT and a charging circuit.
The beneficial effects of the utility model are as follows:
The utility model is provided with the adapter power supply identification circuit for detecting whether the adapter is connected with the power supply and the touch sensitivity switching circuit for switching to low touch sensitivity when the power adapter is powered, when the power adapter is not connected with the power adapter and powered by the rechargeable battery, the touch sensitivity switching circuit does not work, so that the touch control circuit is in a high-sensitivity state to detect the touch input signal, and when the power adapter is connected with the power adapter for powering is detected, the touch sensitivity switching circuit works, so that the touch control circuit is in a low-sensitivity state to detect the touch input signal, the LED lamp product works in all power supply modes to automatically match the optimal touch adjustment sensitivity, the LED lamp product can accurately detect the touch input signal in all power supply modes, and the touch control accuracy of the LED lamp is ensured.
[ Description of the drawings ]
FIG. 1 is a schematic diagram of a circuit structure of the present utility model;
FIG. 2 is a schematic diagram of an adapter power supply identification circuit, a touch sensitivity switching circuit, and a touch control circuit according to the present utility model;
FIG. 3 is a schematic diagram of a charging circuit and a voltage stabilizing circuit according to the present utility model;
FIG. 4 is a schematic diagram of an adapter interface and ON/OFF control switch according to the present utility model;
Fig. 5 is a schematic view of an LED lamp set according to the present utility model.
Detailed description of the preferred embodiments
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1, the touch sensitivity control circuit of the LED lamp comprises an adapter interface 1 connected with a power adapter and a rechargeable battery BAT, wherein the adapter interface 1 is connected with a charging circuit 2 for charging the rechargeable battery BAT and an adapter power supply identification circuit 3 for detecting whether power is supplied by being connected with the power adapter, the adapter power supply identification circuit 3 is sequentially connected with a touch sensitivity switching circuit 4 which is switched to low touch sensitivity when the power adapter supplies power, a touch control circuit 6 which detects a touch signal according to the touch sensitivity set by the touch sensitivity switching circuit 4 and adjusts the brightness of the LED lamp set 5 according to the touch signal, the touch control circuit 6 is connected with a touch signal input component 7 for inputting the touch signal, and the rechargeable battery BAT supplies power to the adapter power supply identification circuit 3, the touch control circuit 6 and the LED lamp set 5 respectively. The charging circuit 2 is connected with a voltage stabilizing circuit 8, the voltage stabilizing circuit 8 is also connected with the positive electrode end of the rechargeable battery BAT, and the voltage stabilizing circuit 8 supplies power to the adapter power supply identification circuit 3 and the touch control circuit 6 respectively; the touch control circuit 6 is connected with an ON/OFF control switch 9 for controlling the power switch of the LED lamp.
A control method of a touch sensitivity control circuit of an LED lamp comprises the following steps of
S1, an adapter power supply identification circuit 3 detects whether an adapter interface 1 is plugged into a power adapter for supplying power;
S2, when the power supply of the power adapter is not detected, the rechargeable battery BAT respectively supplies power to the voltage stabilizing circuit 8 and the LED lamp group 5, the voltage stabilizing circuit 8 respectively supplies power to the adapter power supply identification circuit 3 and the touch control circuit 6 after voltage stabilization, and the touch sensitivity switching circuit 4 does not work, so that the touch control circuit 6 is in a high-sensitivity touch input signal detection working mode;
S3, when the power supply of the power adapter is detected, the power adapter supplies power to the charging circuit 2, the charging circuit 2 supplies power to the voltage stabilizing circuit 8 and the LED lamp group 5 respectively and charges the rechargeable battery BAT, the voltage stabilizing circuit 8 respectively supplies power to the adapter power supply identification circuit 3 and the touch control circuit 6 after voltage stabilization, and the adapter power supply identification circuit 3 controls the touch sensitivity switching circuit 4 to work, so that the touch control circuit 6 is in a low-sensitivity detection touch input signal working mode.
Specifically, in actual use, the LED lamp product is in the rechargeable battery power supply mode, the rechargeable battery BAT supplies power to the LED lamp set 5 and respectively supplies power to the adapter power supply identification circuit 3 and the touch control circuit 6 after being stabilized by the voltage stabilizing circuit 8, and at this time, the adapter power supply identification circuit 3 does not detect the adapter interface 1 to be plugged into the power supply adapter, so that the touch sensitivity switching circuit 4 does not work, the touch control circuit 6 is in a high-sensitivity state to detect the touch input signal, and the function of detecting the touch input signal with high sensitivity in the rechargeable battery power supply mode is realized.
When the adapter interface 1 is plugged into the power adapter to supply power, the power is supplied to the charging circuit 2 and the LED lamp group 5 respectively, the charging circuit 2 supplies power to the voltage stabilizing circuit 8 and charges and displays the charging electric quantity to the rechargeable battery BAT, the voltage stabilizing circuit 8 supplies power to the adapter power supply identification circuit 3 and the touch control circuit 6 respectively after stabilizing voltage, at the moment, the adapter power supply identification circuit 3 detects that the adapter interface 1 is plugged into the power adapter to supply power in an adapting way, the touch sensitivity switching circuit 4 is controlled to work, the touch control circuit 6 is switched to a low-sensitivity state to detect touch input signals, the function of detecting the touch input signals with low sensitivity in the power adapter power supply way is realized, and therefore the function of automatically matching the optimal touch adjustment sensitivity of the LED lamp product in each power supply way is realized, the LED lamp product can accurately detect the touch input signals in different power supply modes, and the touch control accuracy of the LED lamp is ensured.
As shown in fig. 2, specifically, the adapter power supply identification circuit 3 includes a control chip U4, a pin 1 of the control chip U4 is connected with the touch control circuit 6 through a resistor R17, a pin 2 of the control chip U4 is grounded, the pin 3 of the control chip U4 is connected with the touch sensitivity switching circuit 4 to switch the touch sensitivity when the power adapter supplies power, a pin 5 of the control chip U4 is connected with the voltage stabilizing circuit 8, a pin 6 of the control chip U4 is respectively connected with one end of a resistor R15, one end of a capacitor C10 and one end of a resistor R16, the other end of the capacitor C10 and the other end of the resistor R16 are respectively grounded, and the other end of the resistor R15 and the adapter interface 1 detect whether the power adapter is connected. In actual use, the control chip U4 takes power to the voltage stabilizing circuit 8 through the pin 5, when the pin 6 of the control chip U4 detects that the adapter interface 1 is plugged into the power adapter for supplying power, the pin 3 outputs a switching signal to enable the touch sensitivity switching circuit 4 to work, the touch control circuit 6 is in a working state of detecting the touch input signal with high sensitivity in a rechargeable battery BAT power supply mode and is switched into a working state of detecting the touch input signal with low sensitivity in the power adapter power supply mode, and therefore the function of automatically matching the optimal touch adjustment sensitivity in Each of which is provided with power supply mode is achieved.
As shown in fig. 2, specifically, the touch sensitivity switching circuit 4 includes a MOS transistor Q3, a gate end of the MOS transistor Q3 is connected to the adapter power supply identification circuit 3 through a resistor R18, a source end of the MOS transistor Q3 is grounded, a drain end of the MOS transistor Q3 is connected to one end of a capacitor C6 and one end of a capacitor C7, the other end of the capacitor C6 is connected to the other end of the capacitor C7, one end of the capacitor C8, one end of the capacitor C9, and the touch control circuit 6, and the other end of the capacitor C8 and the other end of the capacitor C9 are grounded. In actual use, when the adapter interface 1 is not connected with a power adapter in a plug-in mode and is in a rechargeable battery BAT power supply mode, the adapter power supply identification circuit 3 does not output a control signal, and at the moment, the MOS tube Q3 is not conducted, so that the touch control circuit 6 is in a high touch sensitivity working state of combination of the capacitor C8 and the capacitor C9; when the adapter interface 1 is plugged into the power adapter and is in the power adapter power supply mode, the adapter power supply identification circuit 3 outputs a control signal to enable the MOS tube Q3 to be conducted, and the touch control circuit 6 is in a low touch sensitivity working state of the combination of the capacitor 6, the capacitor C7, the capacitor C8 and the capacitor C9.
As shown in fig. 2, specifically, the touch control circuit 6 includes a control chip U3, a pin 1 of the control chip U3 is connected with one end of a capacitor C5 and a voltage stabilizing circuit 8, the other end of the capacitor C5 is grounded, a pin 2 of the control chip U3 is connected with a touch sensitivity switching circuit 4 to set touch sensitivity, a pin 3 of the control chip U3 is connected with one end of a resistor R8 and an ON/OFF control switch 9, the other end of the resistor R8 is connected with the voltage stabilizing circuit 8, pins 4-5 of the control chip U3 are connected with an LED lamp set 5, a pin 6 of the control chip U3 is connected with a touch signal input assembly 7, a pin 7 of the control chip U3 is connected with one end of a resistor R19 and an adapter power supply identification circuit 3, and the other end of the resistor R19 and the pin 8 of the control chip U3 are grounded. In actual use, the control chip U3 performs power-on operation to the voltage stabilizing circuit 8 through the pin 1, the control chip U3 sets a high-sensitivity detection touch input signal mode in a rechargeable battery power supply mode or a low-sensitivity detection touch input signal mode in a power adapter power supply mode according to the working state of the touch sensitivity switching circuit 4, and when the touch signal input component 7 inputs a touch signal, after the control chip U3 receives the touch signal, the control chip U3 outputs control signals to the LED lamp set 5 through the pins 4-5 respectively, so as to adjust the switching of the LED lamp set 5 and adjust the brightness change.
As shown in fig. 3, specifically, the charging circuit 2 includes a charging control chip U1, a pin 1 and a pin 3 of the charging control chip U1 are respectively grounded, a pin 2 of the charging control chip U1 is grounded through a resistor R2, a pin 4 of the charging control chip U1 is respectively connected with a pin 8 of the charging control chip U1, one end of a capacitor C1, and an adapter interface 1, the other end of the capacitor C1 is grounded, a pin 6-7 of the charging control chip U1 is respectively connected with a negative electrode end of an electric quantity display lamp set D0, a positive electrode end of the electric quantity display lamp set D0 is connected with the adapter interface 1 through a resistor R1, a pin 5 of the charging control chip U1 is respectively connected with one end of the capacitor C2 and a positive electrode end of a rechargeable battery BAT, and the other end of the capacitor C2 and the other end of the rechargeable battery BAT are respectively grounded. In actual use, after the power adapter is plugged into the adapter interface 1, the power adapter supplies power to the charging control chip U1 of the charging circuit 2 through the pin 4, at this moment, the charging end pin 5 of the charging control chip U1 is connected with the positive end of the rechargeable battery BAT to charge the rechargeable battery BAT, and meanwhile, the charging end pin 5 of the charging control chip U1 supplies power to the voltage stabilizing circuit 8 and the LED lamp set 5, and the charging control chip U1 monitors the electric quantity of the rechargeable battery BAT and displays the electric quantity through the electric quantity display lamp set D0 in the charging process. Wherein, the two ends of the rechargeable battery BAT are connected with a power supply interface CN1 for supplying power to an external electric appliance.
As shown in fig. 3, specifically, the voltage stabilizing circuit 8 includes a voltage stabilizing chip U2, a pin 2 of the voltage stabilizing chip U2 is connected with one end of a capacitor C3, a positive end of a rechargeable battery BAT, and the charging circuit 2, a pin 3 of the voltage stabilizing chip U2 is connected with one end of a capacitor C4, another end of the capacitor C3 is grounded, a pin 1 of the voltage stabilizing chip U2, and another end of the capacitor C4 are grounded, and a power supply VDD output by a pin 3 of the voltage stabilizing chip U2 supplies power to the adapter power supply identification circuit 3 and the touch control circuit 6. Under the power supply mode of the rechargeable battery BAT, the pin 1 at the input end of the voltage stabilizing chip U2 is used for taking power for the rechargeable battery BAT, and after the voltage is stabilized by the voltage stabilizing chip U2, the power is respectively supplied to the electric identification circuit 3 and the touch control circuit 6 through the pin 3 at the output end; under the power supply mode of the plug-in power adapter, the pin 1 at the input end of the voltage stabilizing chip U2 is used for taking power to the charging circuit 2, and after the voltage is stabilized by the voltage stabilizing chip U2, the power is respectively supplied to the electric identification circuit 3 and the touch control circuit 6 through the pin 3 at the output end.
As shown in fig. 2, specifically, the touch signal input assembly 7 includes a resistor R3 connected to the touch control circuit 6, and the other end of the resistor R3 is connected to the touch metal lampshade through a capacitor C11 to input a touch signal, so that the touch area is enlarged, and the function of inputting the touch control signal to the LED lamp by large-area touch is realized; as shown in fig. 4, the adapter interface 1 is TYPEC interface.
As shown in fig. 5, specifically, the LED lamp set 5 includes a first LED lamp set and a second LED lamp set, where the first LED lamp set includes a MOS tube Q1, a gate end of the MOS tube Q1 is connected to one end of a resistor R5 and one end of a resistor R4, another end of the resistor R4 is connected to the touch control circuit 6, another end of the resistor R5 is grounded, a source end of the MOS tube Q1 is grounded, a drain end of the MOS tube Q1 is connected to one end of a resistor R11, one end of a resistor R12, one end of a resistor R13, one end of a resistor R14, another end of the resistor R11 is connected to another end of the resistor R12, another end of the resistor R13, another end of the resistor R14, and negative ends of a plurality of LED lamps, and positive ends of the LED lamps are connected to a positive end of the rechargeable battery BAT and the voltage stabilizing circuit 8, respectively; the second LED lamp group comprises a triode Q2, the base electrode of the triode Q2 is respectively connected with one end of a resistor R7 and one end of a resistor R6, the other end of the resistor R6 is connected with a touch control circuit 6, the other end of the resistor R7 is grounded, the emitter electrode of the triode Q2 is grounded, the collector electrode of the triode Q2 is respectively connected with one end of a resistor R9 and one end of a resistor R10, the other end of the resistor R9 is respectively connected with the other end of the resistor R10 and the negative ends of a plurality of LED lamps, and the positive ends of the LED lamps are respectively connected with the positive end of a rechargeable battery BAT and a voltage stabilizing circuit 8. When the touch control circuit 6 outputs a control signal after a touch signal is input, the MOS tube Q1 of the first LED lamp group is conducted to enable all the LED lamps of the first LED lamp group to be electrified and work; when the touch control circuit 6 does not output a control signal, the MOS tube Q1 of the first LED lamp group is not conducted, so that each LED lamp of the first LED lamp group does not work; similarly, when a touch signal is input, the touch control circuit 6 outputs a control signal to control the triode Q2 of the second LED lamp group to be switched on or off, so that each LED lamp of the second LED lamp group is controlled to be electrified or not to work.
The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).
Claims (10)
1. The utility model provides a LED lamps and lanterns touch sensitivity control circuit which characterized in that: the LED lamp group comprises an adapter interface (1) and a rechargeable battery BAT, wherein the adapter interface (1) is connected with a charging circuit (2) for charging the rechargeable battery BAT and an adapter power supply identification circuit (3) for detecting whether power is supplied by being connected with the power adapter, the adapter power supply identification circuit (3) is sequentially connected with a touch sensitivity switching circuit (4) which is switched to be low in touch sensitivity when the power adapter supplies power, a touch control circuit (6) which detects touch signals according to the touch sensitivity set by the touch sensitivity switching circuit (4) and adjusts the brightness of the LED lamp group (5) according to the touch signals, the touch control circuit (6) is connected with a touch signal input assembly (7) for inputting the touch signals, and the rechargeable battery BAT is respectively supplied with power to the adapter power supply identification circuit (3), the touch control circuit (6) and the LED lamp group (5).
2. The LED luminaire touch sensitivity control circuit of claim 1, wherein: the charging circuit (2) is connected with a voltage stabilizing circuit (8), and the voltage stabilizing circuit (8) respectively supplies power to the adapter power supply identification circuit (3) and the touch control circuit (6).
3. The LED luminaire touch sensitivity control circuit of claim 1, wherein: the touch control circuit (6) is connected with an ON/OFF control switch (9) for controlling the power supply.
4. The LED luminaire touch sensitivity control circuit of claim 2, wherein: the charging circuit (2) comprises a charging control chip U1, wherein a pin 1 and a pin 3 of the charging control chip U1 are respectively grounded, a pin 2 of the charging control chip U1 is grounded through a resistor R2, a pin 4 of the charging control chip U1 is respectively connected with a pin 8 of the charging control chip U1, one end of a capacitor C1 and an adapter interface (1), the other end of the capacitor C1 is grounded, a pin 6-7 of the charging control chip U1 is respectively connected with the negative electrode end of an electric quantity display lamp set D0, the positive electrode end of the electric quantity display lamp set D0 is connected with the adapter interface (1) through a resistor R1, a pin 5 of the charging control chip U1 is respectively connected with one end of the capacitor C2 and the positive electrode end of a rechargeable battery BAT, and the other end of the capacitor C2 and the other end of the rechargeable battery BAT are respectively grounded.
5. The LED luminaire touch sensitivity control circuit of claim 2, wherein: the adapter power supply identification circuit (3) comprises a control chip U4, a control chip U4 pin 1 is connected with a touch control circuit (6) through a resistor R17, a control chip U4 pin 2 is grounded, the control chip U4 pin 3 is connected with a touch sensitivity switching circuit (4) to switch touch sensitivity when the power adapter supplies power, a control chip U4 pin 5 is connected with a voltage stabilizing circuit (8), the control chip U4 pin 6 is respectively connected with one end of a resistor R15, one end of a capacitor C10 and one end of a resistor R16, the other end of the capacitor C10 and the other end of the resistor R16 are respectively grounded, and the other end of the resistor R15 and an adapter interface (1) detect whether the power adapter is connected or not.
6. The LED luminaire touch sensitivity control circuit of claim 2, wherein: the touch sensitivity switching circuit (4) comprises a MOS tube Q3, the grid end of the MOS tube Q3 is connected with the adapter power supply identification circuit (3) through a resistor R18, the source end of the MOS tube Q3 is grounded, the drain end of the MOS tube Q3 is respectively connected with one end of a capacitor C6 and one end of a capacitor C7, the other end of the capacitor C6 is respectively connected with the other end of the capacitor C7, one end of the capacitor C8, one end of the capacitor C9 and the touch control circuit (6), and the other end of the capacitor C8 and the other end of the capacitor C9 are respectively grounded.
7. The LED luminaire touch sensitivity control circuit of claim 2, wherein: the touch control circuit (6) comprises a control chip U3, a pin 1 of the control chip U3 is respectively connected with one end of a capacitor C5 and a voltage stabilizing circuit (8), the other end of the capacitor C5 is grounded, a pin 2 of the control chip U3 is connected with a touch sensitivity switching circuit (4) to set touch sensitivity, the pin 3 of the control chip U3 is respectively connected with one end of a resistor R8 and an ON/OFF control switch (9), the other end of the resistor R8 is connected with the voltage stabilizing circuit (8), pins 4-5 of the control chip U3 are respectively connected with an LED lamp group (5), a pin 6 of the control chip U3 is connected with a touch signal input assembly (7), a pin 7 of the control chip U3 is respectively connected with one end of a resistor R19 and an adapter power supply identification circuit (3), and the other end of the resistor R19 and the pin 8 of the control chip U3 are respectively grounded.
8. The LED luminaire touch sensitivity control circuit of claim 2, wherein: the voltage stabilizing circuit (8) comprises a voltage stabilizing chip U2, a pin 2 of the voltage stabilizing chip U2 is respectively connected with one end of a capacitor C3, the positive end of a rechargeable battery BAT and the charging circuit (2), the pin 3 of the voltage stabilizing chip U2 is connected with one end of a capacitor C4, the other end of the capacitor C3 is grounded, the other ends of the pin 1 and the capacitor C4 of the voltage stabilizing chip U2 are respectively grounded, and a power supply VDD output by the pin 3 of the voltage stabilizing chip U2 is respectively supplied to the adapter power supply identification circuit (3) and the touch control circuit (6).
9. The LED luminaire touch sensitivity control circuit of claim 2, wherein: the touch signal input assembly (7) comprises a resistor R3 connected with the touch control circuit (6), and the other end of the resistor R3 is connected with the touch metal lampshade through a capacitor C11 to input a touch signal.
10. The LED luminaire touch sensitivity control circuit of claim 2, wherein: the LED lamp set (5) comprises a first LED lamp set and a second LED lamp set, the first LED lamp set comprises a MOS tube Q1, the grid end of the MOS tube Q1 is respectively connected with one end of a resistor R5 and one end of a resistor R4, the other end of the resistor R4 is connected with a touch control circuit (6), the other end of the resistor R5 is grounded, the source end of the MOS tube Q1 is grounded, the drain end of the MOS tube Q1 is respectively connected with one end of a resistor R11, one end of a resistor R12, one end of a resistor R13 and one end of a resistor R14, the other end of the resistor R11 is respectively connected with the other end of the resistor R12, the other end of the resistor R13, the other end of the resistor R14 and the negative ends of a plurality of LED lamps, and the positive ends of the LED lamps are respectively connected with the positive end of a rechargeable battery BAT and the charging circuit (2);
The second LED lamp group comprises a triode Q2, the base electrode of the triode Q2 is respectively connected with one end of a resistor R7 and one end of a resistor R6, the other end of the resistor R6 is connected with a touch control circuit (6), the other end of the resistor R7 is grounded, the emitter electrode of the triode Q2 is grounded, the collector electrode of the triode Q2 is respectively connected with one end of a resistor R9 and one end of a resistor R10, the other end of the resistor R9 is respectively connected with the other end of the resistor R10 and the negative ends of a plurality of LED lamps, and the positive ends of the LED lamps are respectively connected with the positive end of a rechargeable battery BAT and a charging circuit (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322198487.6U CN220830550U (en) | 2023-08-16 | 2023-08-16 | Touch sensitivity control circuit of LED lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322198487.6U CN220830550U (en) | 2023-08-16 | 2023-08-16 | Touch sensitivity control circuit of LED lamp |
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| CN220830550U true CN220830550U (en) | 2024-04-23 |
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| CN202322198487.6U Active CN220830550U (en) | 2023-08-16 | 2023-08-16 | Touch sensitivity control circuit of LED lamp |
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| CN (1) | CN220830550U (en) |
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