CN213879341U - Intelligent identification quick-charging power type heating control device for electric heating product - Google Patents
Intelligent identification quick-charging power type heating control device for electric heating product Download PDFInfo
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- CN213879341U CN213879341U CN202022825249.XU CN202022825249U CN213879341U CN 213879341 U CN213879341 U CN 213879341U CN 202022825249 U CN202022825249 U CN 202022825249U CN 213879341 U CN213879341 U CN 213879341U
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Abstract
The utility model relates to an intelligent recognition fast charge power TYPE heating control device for warm product of electricity, including button wake-up circuit, power supply circuit, output control circuit, support the main control circuit of QC fast charge agreement and be used for carrying OUT the TYPE-C interface of mating connection with fast charge power, TYPE-C interface has pin IN +, pin IN-, pin D +, pin D-and pin OUT1-, pin IN + connects power supply circuit through button wake-up circuit, pin IN-ground connection, pin D + and pin D-connect main control circuit IN order to accomplish the handshake communication of QC fast charge agreement with fast charge power, pin OUT 1-connect output control circuit IN order to charge fast the load of generating heat under the communication state of handshake; after the hand is successfully held, the quick charging power supply can quickly charge the heating load, so that the heating time is shortened, and the heating efficiency is improved; moreover, the quick charging source can be awakened to continue working by independently operating the key, the quick charging source is prevented from entering a sleep state, the awakening process is automatically operated, and the flexibility is high.
Description
Technical Field
The utility model belongs to the technical field of the controlling means that generates heat and specifically relates to indicate an intelligent recognition quick charge type heating controlling means who is used for warm product of electricity.
Background
Electric warming products (such as electric warming quilts, electric blankets, hot compress belts and the like) are necessary articles in cold winter. At present, a controller of an electric heating product in the market is difficult to quickly identify a quick charging power supply, so that a heating load is difficult to quickly charge (higher direct-current voltage), and heating time is long and heating efficiency is low. In addition, after the existing quick charging source works for a period of time, the existing quick charging source can enter a sleep state, so that no output current exists.
Therefore, in the patent application of the utility model, the applicant has studied a kind of intelligent recognition that is used for warm product of electricity fast charging source type of generating heat controlling means meticulously and has solved above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the defects of the prior art, and mainly aims to provide an intelligent identification quick-charging power supply type heating control device for electric warming products, which enables a quick-charging power supply to realize quick charging on a heating load after the hand holding is successful, shortens the heating time and further improves the heating efficiency; moreover, the quick charging source can be awakened to continue working by independently operating the key, the quick charging source is prevented from entering a sleep state, the awakening process is automatically operated, and the flexibility is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an intelligent identification quick-charging power TYPE heating control device for an electric heating product comprises a key awakening circuit for awakening a quick-charging power by keys, a main control circuit supporting a QC quick-charging protocol, a power supply circuit for supplying power to the main control circuit, a TYPE-C interface for being connected with the quick-charging power in a matched mode and an output control circuit for being connected with a heating load, wherein the main control circuit is respectively connected with the output control circuit and the key awakening circuit;
the TYPE-C interface is provided with a pin IN +, a pin IN-, a pin D +, a pin D-and a pin OUT1-, the pin IN + is connected with a power supply circuit through a key awakening circuit, the pin IN-is grounded, the pin D + and the pin D-are connected with a main control circuit to complete the handshaking communication of a QC quick-charging protocol with a quick-charging power supply, and the pin OUT 1-is connected with an output control circuit to quickly charge a heating load IN a handshaking communication state.
As a preferred scheme, the main control circuit includes a main control chip U1, and the main control chip U1 has main control pins 1 to 16;
the main control pin 4 and the main control pin 5 are respectively connected with an output control circuit, the main control pin 9 is connected with a power supply circuit, the main control pin 14 is connected with a pin D-of the TYPE-C interface, and the main control pin 15 is connected with a pin D + of the TYPE-C interface.
Preferably, the output control circuit comprises a resistor R13, a resistor R8 and a MOS transistor Q1, the main control circuit is connected with the gate of the MOS transistor Q1 through the resistor R13, the gate of the MOS transistor Q1 is connected with the source of the MOS transistor Q1 through the resistor R8, the source of the MOS transistor Q1 is grounded, and the drain of the MOS transistor Q1 is connected with a pin OUT 1-.
As a preferred scheme, the TYPE-C interface further has a pin OUT 2-;
the output control circuit further comprises a resistor R7, a resistor R14 and a MOS transistor Q2, the main control circuit is further connected with the grid electrode of the MOS transistor Q2 through the resistor R7, the grid electrode of the MOS transistor Q2 is connected with the source electrode of the MOS transistor Q2 through the resistor R14, the source electrode of the MOS transistor Q2 is grounded, and the drain electrode of the MOS transistor Q2 is connected with a pin OUT 2-.
Preferably, the key wake-up circuit comprises a key S1, a diode D6, a diode D7, a resistor R11, a resistor R12, a resistor R17, a resistor R18, a capacitor C1, a MOS transistor Q4, and a transistor Q3;
the cathode of the diode D7 and the cathode of the diode D6 are grounded through a key S1, the main control circuit is connected with the anode of the diode D7, the anode of the diode D6 is connected with the collector of the triode Q3 through a resistor R12, and the anode of the diode D6 is also connected with the gate of the MOS transistor Q4;
the grid electrode of the MOS tube Q4 is grounded through a capacitor C1, the pin IN + is connected with the source electrode of the MOS tube Q4, the source electrode of the MOS tube Q4 is connected with the grid electrode of the MOS tube Q4 through a resistor R11, and the drain electrode of the MOS tube Q4 is connected with a power supply circuit;
the master control circuit is also connected with the base electrode of the triode Q3 through a resistor R17, the emitting electrode of the triode Q3 is grounded, and the base electrode of the triode Q3 is connected with the emitting electrode of the triode Q3 through a resistor R18.
As a preferred scheme, the device also comprises an overvoltage detection circuit for detecting the voltage between the pin IN + and the pin IN-;
the overvoltage detection circuit comprises a resistor R21, a resistor R22 and a capacitor C11, wherein a pin IN + is connected with a main control circuit through the resistor R21, the main control circuit is grounded through the resistor R22, and two ends of the resistor R22 are connected with the capacitor C11 IN parallel.
As a preferable scheme, the power supply device further comprises an anti-surge circuit, and the pin IN + is connected with the power supply circuit through the anti-surge circuit.
As a preferable scheme, the intelligent lamp further comprises a status indicator light circuit, the power supply circuit supplies power to connect with the status indicator light circuit, and the status indicator light circuit is connected with the main control circuit.
Preferably, the status indicator light circuit comprises a status indicator light LED1, a status indicator light LED2, a status indicator light LED3, a status indicator light LED4, a status indicator light LED5, a status indicator light LED6, a resistor R4, a resistor R5 and a resistor R6;
the cathodes of the status indicator light LED1 and the status indicator light LED4 are both connected with the master control circuit through a resistor R5; the cathodes of the status indicator light LED2 and the status indicator light LED5 are both connected with the master control circuit through a resistor R6; the cathodes of the status indicator light LED3 and the status indicator light LED6 are both connected with the master control circuit through a resistor R4; the anodes of the status indicator light LEDs 1 to the status indicator light LED6 are all connected with the power supply circuit.
Preferably, the power supply circuit comprises a three-terminal regulator U3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7 and a diode D1;
the three-terminal voltage regulator U3 is provided with a voltage-stabilizing pin 1-3, the voltage-stabilizing pin 1 is grounded, the pin IN + is connected with the anode of a diode D1, the cathode of a diode D1 is connected with a voltage-stabilizing pin 2, the voltage-stabilizing pin 2 is connected with the voltage-stabilizing pin 1 through a capacitor C5, and the capacitor C7 is connected IN parallel with two ends of a capacitor C5; the voltage-stabilizing pin 3 outputs 3.3V direct-current voltage to the main control circuit, the voltage-stabilizing pin 3 is connected with the voltage-stabilizing pin 1 through a capacitor C6, and the capacitor C4 is connected in parallel with two ends of the capacitor C6.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly: the main control circuit supporting the QC quick-charge protocol and the quick-charge power supply complete handshake communication of the QC quick-charge protocol, and after the handshake is successful, the quick-charge power supply realizes quick charge on a heating load, so that the heating time is shortened, and the heating efficiency is improved; particularly, the quick charging power supply can be awakened to work continuously by autonomously operating the key through the key awakening circuit, the quick charging power supply is prevented from entering a sleep state, the awakening process is autonomously operated, and the flexibility is strong;
secondly, the safety and the reliability of the product are further improved through the matching of the overvoltage detection circuit and the anti-surge circuit;
moreover, the working state of the product can be displayed in real time through the state indicating lamp circuit
And the whole circuit structure is ingenious and reasonable in design, and the stability and the reliability of the product in the using process are ensured.
To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic control block diagram of a preferred embodiment of the present invention.
Fig. 2 is a schematic circuit diagram of a preferred embodiment of the present invention (the fast charging source and the heating load are not shown).
The reference numbers illustrate:
10. main control circuit 20 and key awakening circuit
30. Power supply circuit 40, TYPE-C interface
50. Heating load 60 and output control circuit
61. First output control circuit 62 and second output control circuit
70. Fast charging source
81. Surge prevention circuit 82 and overvoltage detection circuit
90. Status indicator lamp circuit
91. A first status indicator light circuit 92 and a second status indicator light circuit.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 and fig. 2, an intelligent identification quick-charging power supply 70 TYPE heating control device for an electric heating product includes a key wake-up circuit 20 for key wake-up of the quick-charging power supply 70, a main control circuit 10 supporting a QC quick-charging protocol, a power supply circuit 30 for supplying power to the main control circuit 10, a TYPE-C interface 40 for pairing connection with the quick-charging power supply 70, and an output control circuit 60 for connection with a heating load 50, wherein the main control circuit 10 is respectively connected with the output control circuit 60 and the key wake-up circuit 20;
in this embodiment, the fast charging power supply 70 may be a charger or a charger supporting a fast charging protocol, and may also be another TYPE-C fast charging power supply 70, which is not limited herein. The heat generating load 50 may be a heating wire, or may be another heat generating load 50, which is not limited herein.
The TYPE-C interface 40 is provided with a pin IN +, a pin IN-, a pin D +, a pin D-, a pin OUT 1-and a pin OUT2-, the pin IN + is connected with the power supply circuit 30 through the key awakening circuit 20, the pin IN-is grounded, and the pin D + and the pin D-are connected with the main control circuit 10 to complete the handshaking communication of the QC fast charging protocol with the fast charging power supply 70. In this embodiment, two heat-generating loads 50 are provided, and correspondingly, the pin OUT 1-and the pin OUT 2-are respectively connected to the output control circuit 60 to respectively output 20V dc voltage to the corresponding heat-generating loads 50 in the handshake communication state to complete fast charging of the corresponding heat-generating loads 50.
In this embodiment, the main control circuit 10 includes a main control chip U1 supporting a QC fast charging protocol (e.g., a QC2.0 protocol, a QC3.0 protocol, and a QC4.0 protocol), and the main control chip U1 has main control pins 1 to 16;
the main control pin 4 and the main control pin 5 are respectively connected with the output control circuit 60, the main control pin 9 is connected with the power supply circuit 30, the main control pin 14 is connected with the pin D-of the TYPE-C interface 40, and the main control pin 15 is connected with the pin D + of the TYPE-C interface 40.
In this embodiment, the output control circuit 60 includes a first output control circuit 61 and a second output control circuit 62;
the first output control circuit 61 comprises a resistor R13, a resistor R8 and a MOS transistor Q1, a main control pin 4 of the main control circuit 10 is connected with a grid electrode of the MOS transistor Q1 through the resistor R13, a grid electrode of the MOS transistor Q1 is connected with a source electrode of the MOS transistor Q1 through a resistor R8, a source electrode of the MOS transistor Q1 is grounded, and a drain electrode of the MOS transistor Q1 is connected with a pin OUT 1-;
the second output control circuit 62 comprises a resistor R7, a resistor R14 and a MOS transistor Q2, the main control pin 5 of the main control circuit 10 is connected with the gate of the MOS transistor Q2 through the resistor R7, the gate of the MOS transistor Q2 is connected with the source of the MOS transistor Q2 through the resistor R14, the source of the MOS transistor Q2 is grounded, and the drain of the MOS transistor Q2 is connected with a pin OUT 2-.
In this embodiment, the key wake-up circuit 20 includes a key S1, a diode D6, a diode D7, a resistor R11, a resistor R12, a resistor R17, a resistor R18, a capacitor C1, a MOS transistor Q4, and a transistor Q3;
the cathode of the diode D7 and the cathode of the diode D6 are grounded through a key S1, a main control pin 10 of the main control circuit 10 is connected with the anode of the diode D7, the anode of the diode D6 is connected with the collector of the triode Q3 through a resistor R12, and the anode of the diode D6 is also connected with the gate of the MOS transistor Q4;
the grid of the MOS tube Q4 is grounded through a capacitor C1, the pin IN + is connected with the source of the MOS tube Q4, the source of the MOS tube Q4 is connected with the grid of the MOS tube Q4 through a resistor R11, and the drain of the MOS tube Q4 is connected with a voltage stabilizing pin 2 of the power supply circuit 30; the main control pin 3 of the main control circuit 10 is connected with the base electrode of the triode Q3 through a resistor R17, the emitting electrode of the triode Q3 is grounded, and the base electrode of the triode Q3 is connected with the emitting electrode of the triode Q3 through a resistor R18.
In this embodiment, in order to wake up the key more conveniently, the key wake-up circuit 20 further includes a key S2, a diode D4, and a diode D5; the cathode of the diode D4 and the cathode of the diode D5 are commonly grounded through the key S2, the master pin 1 of the master control circuit 10 is connected to the anode of the diode D5, and the anode of the diode D4 is connected to the anode of the diode D6.
Because the TYPE-C interface 40 is inserted on the power bank for a long time for standby, the power bank does not output and sleeps. In the present embodiment, whether the key S1 or the key S2 is pressed, the TYPE-C interface 40 can be simulated to be inserted once to wake up the power bank. Next, a principle explanation will be given by taking pressing of the key S1 as an example:
when the key S1 is pressed, the key S1 is grounded instantly, the MOS transistor Q4 is conducted instantly, the main control chip U1 is started instantly, a signal is continuously triggered to the MOS transistor Q4 to maintain the conduction of the MOS transistor Q4, the main control chip U1 is continuously electrified, and then the MOS transistor Q1 and the MOS transistor Q2 are triggered to be conducted to continuously and quickly charge the heating load 50.
The power supply circuit 30 comprises a three-terminal voltage regulator U3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7 and a diode D1;
the three-terminal voltage regulator U3 is provided with a voltage-stabilizing pin 1-3, the voltage-stabilizing pin 1 is grounded, the pin IN + is connected with the anode of a diode D1, the cathode of a diode D1 is connected with a voltage-stabilizing pin 2, the voltage-stabilizing pin 2 is connected with the voltage-stabilizing pin 1 through a capacitor C5, and the capacitor C7 is connected IN parallel with two ends of a capacitor C5; the voltage-stabilizing pin 3 outputs 3.3V dc voltage to the main control pin 9 of the main control circuit 10, the voltage-stabilizing pin 3 is connected to the voltage-stabilizing pin 1 through a capacitor C6, and the capacitor C4 is connected in parallel to two ends of the capacitor C6.
The circuit also comprises an anti-surge circuit 81, a status indicator lamp circuit 90 and an overvoltage detection circuit 82 for detecting the voltage between a pin IN + and a pin IN-;
the pin IN + is connected to the voltage-stabilizing pin 2 of the power supply circuit 30 through an anti-surge circuit 81, preferably, the anti-surge circuit 81 includes a diode D2, one end of the diode D2 is connected to the pin IN +, and the other end of the diode D2 is grounded.
Among them, tvs (transient Voltage super) diodes, also called transient suppressor diodes, are a commonly used new type of high-efficiency circuit protection device, which has extremely fast response time (sub-nanosecond level) and relatively high surge absorption capability. When the two ends of the TVS are subjected to transient high-energy impact, the TVS can change the impedance value between the two ends from high impedance to low impedance at a very high speed so as to absorb a transient large current and clamp the voltage between the two ends of the TVS at a preset value, thereby protecting the following circuit elements from the impact of transient high-voltage spike pulse.
The power supply circuit 30 is electrically connected with a status indicator lamp circuit 90, and the status indicator lamp circuit 90 is connected with the main control circuit 10.
The status indicator light circuit 90 comprises a first status indicator light circuit 91, and the status indicator light circuit 90 comprises a first status indicator light LED1, a status indicator light LED2, a status indicator light LED3, a status indicator light LED4, a status indicator light LED5, a status indicator light LED6, a resistor R4, a resistor R5 and a resistor R6;
the cathodes of the status indicator light LED1 and the status indicator light LED4 are both connected with the master control pin 7 of the master control circuit 10 through a resistor R5; the cathodes of the status indicator light LED2 and the status indicator light LED5 are both connected with the master control pin 6 of the master control circuit 10 through a resistor R6; the cathodes of the status indicator light LED3 and the status indicator light LED6 are both connected with the master control pin 16 of the master control circuit 10 through a resistor R4; the anodes of the status indicator light LEDs 1 to status indicator light LED6 are all connected with the power supply circuit 30. In this embodiment, two heating loads 50 are provided, correspondingly, the status indicator light circuit 90 further includes a second status indicator light circuit 92, the first status indicator light circuit 91 and the second status indicator light circuit 92 are respectively configured to display the operating status of the corresponding heating load 50, and the circuit structures of the second status indicator light circuit 92 and the first status indicator light circuit 91 are the same. The specific circuit configuration of the second status indicator light circuit 92 is shown in greater detail in fig. 2.
The following will generally describe the principle of quickly charging an electric heating product after identifying the quick charge power supply 70:
after the TYPE-C interface 40 is plugged into the fast charging power supply 70, the fast charging power supply 70 firstly outputs a standard 5V dc voltage, and the power supply circuit 30 converts the standard 5V dc voltage into a 3.3V working voltage to respectively supply power to the main control chip U1 and the status indicator lamp circuit 90;
the main control chip U1 sends through main control pin 14 and main control pin 15 after getting the electricity and holds hand signal to TYPE-C interface 40's corresponding pin D-, pin D +, in case hold hand after successful, TYPE-C interface 40's pin OUT 1-output 20V voltage to MOS pipe Q1's drain electrode, and simultaneously, pin OUT 2-also output 20V voltage to MOS pipe Q2's drain electrode, MOS pipe Q1 and MOS pipe Q2 all switch on, can realize TYPE-C interface 40 output 20V and fill fast to corresponding load 50 that generates heat so that load 50 that generates heat fast.
The utility model has the design key points that the main control circuit supporting the QC quick-charging protocol and the quick-charging power supply complete the handshake communication of the QC quick-charging protocol, so that the quick-charging power supply realizes quick charging on a heating load after the handshake is successful, the heating time is shortened, and the heating efficiency is further improved; particularly, the quick charging power supply can be awakened to work continuously by autonomously operating the key through the key awakening circuit, the quick charging power supply is prevented from entering a sleep state, the awakening process is autonomously operated, and the flexibility is strong;
secondly, the safety and the reliability of the product are further improved through the matching of the overvoltage detection circuit and the anti-surge circuit;
moreover, the working state of the product can be displayed in real time through the state indicating lamp circuit
And the whole circuit structure is ingenious and reasonable in design, and the stability and the reliability of the product in the using process are ensured.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides an intelligent recognition fast charging source type heating control device for warm product of electricity which characterized in that: the intelligent key-press awakening device comprises a key-press awakening circuit for awakening a quick-charging power supply through keys, a main control circuit supporting a QC quick-charging protocol, a power supply circuit for supplying power to the main control circuit, a TYPE-C interface for being connected with the quick-charging power supply in a matched mode and an output control circuit for being connected with a heating load, wherein the main control circuit is respectively connected with the output control circuit and the key-press awakening circuit;
the TYPE-C interface is provided with a pin IN +, a pin IN-, a pin D +, a pin D-and a pin OUT1-, the pin IN + is connected with a power supply circuit through a key awakening circuit, the pin IN-is grounded, the pin D + and the pin D-are connected with a main control circuit to complete the handshaking communication of a QC quick-charging protocol with a quick-charging power supply, and the pin OUT 1-is connected with an output control circuit to quickly charge a heating load IN a handshaking communication state.
2. The intelligent recognition quick-charging power type heating control device for electric warming products according to claim 1, wherein: the main control circuit comprises a main control chip U1, and the main control chip U1 is provided with a main control pin 1 to a main control pin 16;
the main control pin 4 and the main control pin 5 are respectively connected with an output control circuit, the main control pin 9 is connected with a power supply circuit, the main control pin 14 is connected with a pin D-of the TYPE-C interface, and the main control pin 15 is connected with a pin D + of the TYPE-C interface.
3. The intelligent recognition quick-charging power type heating control device for electric warming products according to claim 1, wherein: the output control circuit comprises a resistor R13, a resistor R8 and a MOS transistor Q1, the main control circuit is connected with the grid electrode of the MOS transistor Q1 through the resistor R13, the grid electrode of the MOS transistor Q1 is connected with the source electrode of the MOS transistor Q1 through the resistor R8, the source electrode of the MOS transistor Q1 is grounded, and the drain electrode of the MOS transistor Q1 is connected with a pin OUT 1-.
4. The intelligent recognition quick-charging power type heating control device for electric warming products according to claim 1, wherein: the TYPE-C interface also has a pin OUT 2-;
the output control circuit further comprises a resistor R7, a resistor R14 and a MOS transistor Q2, the main control circuit is further connected with the grid electrode of the MOS transistor Q2 through the resistor R7, the grid electrode of the MOS transistor Q2 is connected with the source electrode of the MOS transistor Q2 through the resistor R14, the source electrode of the MOS transistor Q2 is grounded, and the drain electrode of the MOS transistor Q2 is connected with a pin OUT 2-.
5. The intelligent recognition quick-charging power type heating control device for electric warming products according to claim 1, wherein: the key awakening circuit comprises a key S1, a diode D6, a diode D7, a resistor R11, a resistor R12, a resistor R17, a resistor R18, a capacitor C1, an MOS tube Q4 and a triode Q3;
the cathode of the diode D7 and the cathode of the diode D6 are grounded through a key S1, the main control circuit is connected with the anode of the diode D7, the anode of the diode D6 is connected with the collector of the triode Q3 through a resistor R12, and the anode of the diode D6 is also connected with the gate of the MOS transistor Q4;
the grid electrode of the MOS tube Q4 is grounded through a capacitor C1, the pin IN + is connected with the source electrode of the MOS tube Q4, the source electrode of the MOS tube Q4 is connected with the grid electrode of the MOS tube Q4 through a resistor R11, and the drain electrode of the MOS tube Q4 is connected with a power supply circuit;
the master control circuit is also connected with the base electrode of the triode Q3 through a resistor R17, the emitting electrode of the triode Q3 is grounded, and the base electrode of the triode Q3 is connected with the emitting electrode of the triode Q3 through a resistor R18.
6. The intelligent recognition quick-charging power type heating control device for electric warming products according to claim 1, wherein: the overvoltage detection circuit is used for detecting the voltage between the pin IN + and the pin IN-;
the overvoltage detection circuit comprises a resistor R21, a resistor R22 and a capacitor C11, wherein a pin IN + is connected with a main control circuit through the resistor R21, the main control circuit is grounded through the resistor R22, and two ends of the resistor R22 are connected with the capacitor C11 IN parallel.
7. The intelligent recognition quick-charging power type heating control device for electric warming products according to claim 1, wherein: the power supply circuit also comprises an anti-surge circuit, and the pin IN + is connected with the power supply circuit through the anti-surge circuit.
8. The intelligent recognition quick-charging power type heating control device for electric warming products according to claim 1, wherein: the power supply circuit is connected with the status indicator lamp circuit in a power supply mode, and the status indicator lamp circuit is connected with the main control circuit.
9. The intelligent recognition quick-charging power type heating control device for electric warming products according to claim 8, wherein: the state indicating lamp circuit comprises a state indicating lamp LED1, a state indicating lamp LED2, a state indicating lamp LED3, a state indicating lamp LED4, a state indicating lamp LED5, a state indicating lamp LED6, a resistor R4, a resistor R5 and a resistor R6;
the cathodes of the status indicator light LED1 and the status indicator light LED4 are both connected with the master control circuit through a resistor R5; the cathodes of the status indicator light LED2 and the status indicator light LED5 are both connected with the master control circuit through a resistor R6; the cathodes of the status indicator light LED3 and the status indicator light LED6 are both connected with the master control circuit through a resistor R4; the anodes of the status indicator light LEDs 1 to the status indicator light LED6 are all connected with the power supply circuit.
10. The intelligent recognition quick-charging power type heating control device for electric warming products according to claim 1, wherein: the power supply circuit comprises a three-terminal voltage regulator U3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7 and a diode D1;
the three-terminal voltage regulator U3 is provided with a voltage-stabilizing pin 1-3, the voltage-stabilizing pin 1 is grounded, the pin IN + is connected with the anode of a diode D1, the cathode of a diode D1 is connected with a voltage-stabilizing pin 2, the voltage-stabilizing pin 2 is connected with the voltage-stabilizing pin 1 through a capacitor C5, and the capacitor C7 is connected IN parallel with two ends of a capacitor C5; the voltage-stabilizing pin 3 outputs 3.3V direct-current voltage to the main control circuit, the voltage-stabilizing pin 3 is connected with the voltage-stabilizing pin 1 through a capacitor C6, and the capacitor C4 is connected in parallel with two ends of the capacitor C6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022825249.XU CN213879341U (en) | 2020-11-30 | 2020-11-30 | Intelligent identification quick-charging power type heating control device for electric heating product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022825249.XU CN213879341U (en) | 2020-11-30 | 2020-11-30 | Intelligent identification quick-charging power type heating control device for electric heating product |
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| Publication Number | Publication Date |
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| CN213879341U true CN213879341U (en) | 2021-08-03 |
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| CN202022825249.XU Active CN213879341U (en) | 2020-11-30 | 2020-11-30 | Intelligent identification quick-charging power type heating control device for electric heating product |
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