Control circuit of automatic umbrella

Abstract

The utility model relates to the field of automatic umbrellas, in particular to a control circuit of an automatic umbrella, which comprises a power supply module, a control module, a charging module, a voltage detection module, a motor driving module, a switch module and an indicator lamp module. The signal output end of the switch module and the voltage detection end of the motor driving module are electrically connected with the signal input end of the control module. The signal output end of the control module is electrically connected with the signal input end of the motor driving module. The signal output ends of the charging module and the voltage detection module are electrically connected with the signal input end of the control module; the power supply module supplies power to the control module, the voltage detection module, the motor driving module and the indicating lamp module, and the motor driving module comprises a motor forward rotation driving part and a motor reverse rotation driving part which are electrically connected with the positive electrode and the negative electrode of a motor respectively. The control module controls the motor forward rotation driving part or the motor reverse rotation driving part to be switched on so as to achieve control over forward rotation and reverse rotation of the motor.

Description

Technical Field

[0001] The utility model relates to the field of automatic umbrellas, and particularly to a control circuit for an automatic umbrella. Background Art

[0002] A fully automatic umbrella is a convenient and fast umbrella with the function of automatic opening and closing, which can save the trouble of manually opening and closing the umbrella. Such an umbrella usually consists of a rib, a canopy, a telescopic rod and a handle. Among them, the telescopic rod is an important component connecting the rib and the handle, and it realizes the functions of automatic deployment and retraction through the mutual cooperation of an internal spring, a control circuit and a control device.

[0003] Among them, the utility model patent with the application number CN201120445372.7 and the name of the umbrella circuit for automatic opening and closing of bicycles uses a humidity sensor and a switch to cooperate to control a motor to open or close the umbrella. The overall circuit function is simple and cannot meet the use requirements of a multi-functional automatic umbrella. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a control circuit for an automatic umbrella, aiming to improve the problem that the control function of a conventional automatic umbrella is simple and cannot meet the use requirements of a multi-functional automatic umbrella.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A control circuit for an automatic umbrella includes a power supply module, a control module, a charging module, a voltage detection module, a motor drive module, a switch module and an indicator light module.

[0007] The signal output end of the switch module and the voltage detection end of the motor drive module are both electrically connected to the signal input end of the control module, and the signal output end of the control module is electrically connected to the signal input end of the motor drive module;

[0008] The signal output ends of the charging module and the voltage detection module are electrically connected to the signal input end of the control module;

[0009] The power supply module supplies power to the control module, the voltage detection module, the motor drive module and the indicator light module, and the charging module charges the storage battery of the power supply module.

[0010] Further, the control module includes a control chip U2, a capacitor C3 and a capacitor C4.

[0011] The power output end of the power supply module is electrically connected to one ends of the capacitor C3 and the capacitor C4 and the pin 16 of the control chip U2, and the other ends of the pin 1 of the control chip U2 and the capacitor C3 and the capacitor C4 are grounded.

[0012] Pin 2, Pin 3, Pin 13 and Pin 14 of the control chip U2 are electrically connected to the signal input end of the motor drive module, and Pin 11 of the control chip U2 is electrically connected to the voltage detection end of the motor drive module;

[0013] Pin 5 and Pin 15 of the control chip U2 are electrically connected to the signal output end of the switch module;

[0014] Pin 10 and Pin 12 of the control chip U2 are respectively electrically connected to the signal input end and the signal output end of the voltage detection module;

[0015] Pin 6 and Pin 7 of the control chip U2 are electrically connected to the signal output end of the indicator light module;

[0016] Pin 4 of the control chip U2 is electrically connected to the signal output end of the charging module.

[0017] Further, the motor drive module includes a field effect transistor group Q2, a field effect transistor group Q3, a triode Q5, a triode Q10, a terminal M+1, a terminal M-1, and resistors R12, R13, R14, R15, R16, R17, R18, R19, R26, R27;

[0018] The power output end of the power supply module is electrically connected to one end of resistors R12 and R13, Pin 3 of the field effect transistor group Q2, and Pin 3 of the field effect transistor group Q3. Pin 5 of the field effect transistor group Q2 and Pin 5 of the field effect transistor group Q3 are respectively electrically connected to the terminal M+1 and the terminal M-1. The terminal M+1 and the terminal M-1 are respectively electrically connected to the positive electrode and the negative electrode of the motor;

[0019] Pin 14 of the control chip U2 is electrically connected to one end of the resistor R15. The other end of the resistor R15 is electrically connected to one end of the resistor R18 and the base of the triode Q5. The collector of the triode Q5 is electrically connected to the other end of the resistor R12 and Pin 4 of the field effect transistor group Q2;

[0020] Pin 2 of the control chip U2 is electrically connected to one end of the resistor R16. The other end of the resistor R16 is electrically connected to one end of the resistor R26 and Pin 2 of the field effect transistor group Q2;

[0021] Pin 13 of the control chip U2 is electrically connected to one end of the resistor R14. The other end of the resistor R14 is electrically connected to one end of the resistor R19 and the base of the triode Q10. The collector of the triode Q10 is electrically connected to the other end of the resistor R13 and Pin 4 of the field effect transistor group Q3;

[0022] Pin 3 of the control chip U2 is electrically connected to one end of the resistor R17, and the other end of the resistor R17 is electrically connected to one end of the resistor R27 and pin 2 of the field effect transistor group Q3;

[0023] Pin 1 of the field effect transistor group Q2 and pin 1 of the field effect transistor group Q3 are electrically connected to pin 11 of the control chip U2 and grounded. The other ends of the resistor R18, resistor R19, resistor R26, resistor R27, the emitter of the triode Q5, and the emitter of the triode Q10 are all grounded.

[0024] Further, both the field effect transistor group Q2 and the field effect transistor group Q3 include an upper field effect transistor and a lower field effect transistor. The source of the upper field effect transistor is pin 3, the gate of the upper field effect transistor is pin 4, the drain of the upper field effect transistor and the drain of the lower field effect transistor are pin 5, the gate of the lower field effect transistor is pin 2, and the source of the lower field effect transistor is pin 1.

[0025] Further, the switch module includes switches S1, S2, and capacitors C14, C13. One end of the switch S1 is electrically connected to pin 15 of the control chip U2 and one end of the capacitor C14. One end of the switch S2 is electrically connected to 5 of the control chip U2 and one end of the capacitor C13. The other ends of the switch S1, switch S2, capacitor C13, and capacitor C14 are all grounded.

[0026] Further, the charging module includes interface J5, charging management chip U3, diode D1, diode D3, field effect transistor Q1, inductor L1, resistors R5, R9, R11, R28, R36, R37, and capacitors C1, C2, C7, C10, C11, C12;

[0027] Pin 1 of the interface J5 is electrically connected to one ends of the capacitor C2, resistor R9, and resistor R28 and pin 3 of the charging management chip U3. The other end of the resistor R28 is electrically connected to pin 1 of the charging management chip U3 and one end of the inductor L1. The other end of the inductor L1 is electrically connected to the drain of the field effect transistor Q1 and the positive pole of the triode D3. The negative pole of the triode D3 is electrically connected to the positive pole of the triode D1. The negative pole of the triode D1 is electrically connected to the power supply module;

[0028] The resistor R9 is electrically connected to pin 4 of the control chip U2. One end of the capacitor C10 is electrically connected to pin 4 of the charging management chip U3. Pin 2 of the charging management chip U3 is electrically connected to one end of the resistor R36. The other end of the resistor R36 is electrically connected between the triode D3 and the triode D1. Pin 5 of the charging management chip U3 is electrically connected to the gate of the field effect transistor Q1.

[0029] The capacitor C1 and the resistor R11 are connected in parallel between the resistor R9 and the pin 4 of the control chip U2 and are grounded; the capacitor C7, the resistor R37 and the resistor R5 are connected in parallel between the pin 2 of the charging management chip U3 and the resistor R36 and are grounded, and the capacitor C11 and the capacitor C12 are connected in parallel between the triode D3 and the triode D1 and are grounded.

[0030] The other ends of the capacitor C2 and the capacitor C10, the pin 4 of the interface J5, the pin 6 of the charging management chip U3, and the source electrode of the field effect transistor Q1 are all grounded.

[0031] Further, the voltage detection module includes a field effect transistor Q6, a triode Q4, a resistor R8, a resistor R10, a resistor R38, a resistor R39, a resistor R40, and a capacitor C9;

[0032] The power output terminal of the power supply module is electrically connected to one end of the resistor R38 and the source electrode of the field effect transistor Q6. The gate electrode of the field effect transistor Q6 is electrically connected to the other end of the resistor R38 and one end of the resistor R39. The other end of the resistor R39 is electrically connected to the collector electrode of the triode Q4. The resistor R40 is electrically connected between the pin 10 of the control chip U2 and the base electrode of the triode Q4. The source electrode of the field effect transistor Q6 is electrically connected to one end of the resistor R8. The other end of the resistor R8 is electrically connected to the pin 12 of the control chip U2. The capacitor C9 and the resistor R10 are connected in parallel between the resistor R8 and the pin 12 of the control chip U2 and are grounded. The emitter electrode of the triode Q4 is grounded.

[0033] Further, the indicator light module includes at least one group of LED light sets. The LED light set includes a first light emitting diode and a second light emitting diode. The power output terminal of the power supply module is electrically connected to the positive electrodes of the first light emitting diode and the second light emitting diode. The negative electrode of the first light emitting diode is electrically connected to the pin 6 of the control chip U2. The negative electrode of the second light emitting diode is electrically connected to the pin 7 of the control chip U2.

[0034] Further, a voltage stabilizing module is further included. The voltage stabilizing module includes a voltage stabilizing chip U1 and capacitors C16 and C15. The power output terminal of the power supply module is electrically connected to the pin 2 of the voltage stabilizing chip U1 and one end of the capacitor C16. The pin 3 of the voltage stabilizing chip U1 is electrically connected to one end of the capacitor C15 and the power input terminals of the control module and the indicator light module. The other ends of the capacitor C15 and the capacitor C16 and the pin 1 of the voltage stabilizing chip U1 are all grounded.

[0035] After adopting the above technical solution, compared with the background technology, the utility model has the following advantages:

[0036] In this solution, the control signals for the forward and reverse rotation of the motor are output to the control module through the switch module. The motor drive module includes a forward drive part and a reverse drive part of the motor, which are electrically connected to the positive and negative electrodes of the motor respectively. The control module controls the forward and reverse rotation of the motor by controlling the conduction of the forward drive part or the reverse drive part of the motor respectively. At the same time, the charging module charges the power supply module, and the voltage detection module outputs the power supply voltage to the control module. The control module judges the charging condition of the power supply module and intuitively indicates the charging condition of the power supply module and the working condition of the motor through the indicator light module. Description of the Drawings

[0037] Figure 1 It is a block diagram of the control circuit of the automatic umbrella described in the present invention;

[0038] Figure 2 It is a circuit diagram of the power supply module of the control circuit of the automatic umbrella described in the present invention;

[0039] Figure 3 It is a circuit diagram of the charging module of the control circuit of the automatic umbrella described in the present invention;

[0040] Figure 4 It is a circuit diagram of the voltage stabilizing module of the control circuit of the automatic umbrella described in the present invention;

[0041] Figure 5 It is a circuit diagram of the voltage detection module of the control circuit of the automatic umbrella described in the present invention;

[0042] Figure 6 It is a circuit diagram of the switch module of the control circuit of the automatic umbrella described in the present invention;

[0043] Figure 7 It is a circuit diagram of the control module of the control circuit of the automatic umbrella described in the present invention;

[0044] Figure 8 It is a circuit diagram of the motor drive module of the control circuit of the automatic umbrella described in the present invention;

[0045] Figure 9 It is a circuit diagram of the indicator light module of the control circuit of the automatic umbrella described in the present invention. Detailed Embodiment

[0046] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0047] In addition, it should be noted that: The terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element of the present utility model must have a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0048] When an element is referred to as being "fixed to" or "disposed on" or "provided on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0049] Unless otherwise clearly defined and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0050] Embodiment

[0051] Please refer to Figures 1-9 As shown, this embodiment provides a control circuit for an automatic umbrella, including a power supply module, a control module, a charging module, a voltage detection module, a motor drive module, a switch module, and an indicator light module. The signal output terminal of the switch module and the voltage detection terminal of the motor drive module are both electrically connected to the signal input terminal of the control module. The signal output terminal of the control module is electrically connected to the signal input terminal of the motor drive module. The switch module controls the forward and reverse rotation of the motor through the control module to realize the opening, closing, and retracting control of the automatic umbrella. The signal output terminals of the charging module and the voltage detection module are electrically connected to the signal input terminal of the control module. The power supply module supplies power to the control module, the voltage detection module, the motor drive module, and the indicator light module. The charging module charges the storage battery of the power supply module. In this embodiment, a voltage stabilization module is further included. The power output terminal of the power supply module is electrically connected to the power input terminal of the voltage stabilization module. The power output terminal of the voltage stabilization module is electrically connected to the power input terminals of the control module and the indicator light module. The voltage stabilization module provides a stable 5.5V voltage to the control module and the indicator light module.

[0052] Please refer to Figure 2As shown, the power supply module includes interface J4 and capacitor C6. Pin 1 of interface J1 is electrically connected to the positive pole of the storage battery and one end of capacitor C6, and serves as the power output terminal to be electrically connected to the voltage stabilizing module, the voltage detection module, and the motor drive module. The other end of capacitor C6 and pin 2 of interface J4 are electrically connected to the negative pole of the storage battery and grounded.

[0053] Please refer to Figure 4 As shown, the voltage stabilizing module includes voltage stabilizing chip U1, capacitor C16, and capacitor C15. The power output terminal of the power supply module is electrically connected to pin 2 of voltage stabilizing chip U1 and one end of capacitor C16. Pin 3 of voltage stabilizing chip U1 is electrically connected to one end of capacitor C15 and the power input terminals of the control module and the indicator light module. The other ends of capacitor C15, capacitor C16, and pin 1 of voltage stabilizing chip U1 are all grounded. In this embodiment, the model of the voltage stabilizing chip is 7550.

[0054] Please refer to Figure 7 As shown, the control module includes control chip U2, capacitor C3, and capacitor C4. The power output terminal of the power supply module is electrically connected to one ends of capacitor C3, capacitor C4, and pin 16 of control chip U2. In this embodiment, pin 3 of voltage stabilizing chip U1 is electrically connected to one ends of capacitor C3, capacitor C4, and pin 16 of control chip U2. Pin 1 of control chip U2 and the other ends of capacitor C3 and capacitor C4 are all grounded. Pins 5 and 15 of control chip U2 are electrically connected to the signal output terminal of the switch module. The switch module outputs a motor forward rotation control signal or a motor reverse rotation control signal to control chip U2. Pins 2, 3, 13, and 14 of control chip U2 are electrically connected to the signal input terminal of the motor drive module. Pin 11 of control chip U2 is electrically connected to the voltage detection terminal of the motor drive module. Control chip U2 drives the forward and reverse rotation of the motor according to the control signal of the switch module, and the voltage detection terminal of the motor drive module outputs the working voltage of the motor for detection. When the voltage is too high, the motor is locked and does not work to protect the motor. Pins 10 and 12 of control chip U2 are respectively electrically connected to the signal input terminal and the signal output terminal of the voltage detection module. Control chip U2 outputs a detection signal to the voltage detection module. The voltage detection module detects the power supply voltage and transmits the voltage information to pin 12 of the control chip for reception and recognition to judge the charging condition of the storage battery, so as to control the indicator light module to accurately indicate the charging condition. Pins 6 and 7 of control chip U2 are electrically connected to the signal output terminal of the indicator light module. Control chip U2 controls the indicator light module to make corresponding indications according to the charging condition and the motor working condition. Pin 4 of control chip U2 is electrically connected to the signal output terminal of the charging module. In this embodiment, the model of control chip U2 is SC8P1712E.

[0055] Please refer to Figure 8As shown in the figure, the motor drive module includes a field effect transistor group Q2, a field effect transistor group Q3, a triode Q5, a triode Q10, a terminal M+1, a terminal M-1, a resistor R12, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a resistor R17, a resistor R18, a resistor R19, a resistor R26, a resistor R27, a resistor R2, a resistor R3 and a capacitor C5; the power output terminal of the power supply module is electrically connected to one ends of the resistor R12, the resistor R13, the pin 3 of the field effect transistor group Q2 and the pin 3 of the field effect transistor group Q3. The pin 5 of the field effect transistor group Q2 and the pin 5 of the field effect transistor group Q3 are respectively electrically connected to the terminal M+1 and the terminal M-1. The terminal M+1 and the terminal M-1 are respectively electrically connected to the positive electrode and the negative electrode of the motor. The pin 14 of the control chip U2 is electrically connected to one end of the resistor R15. The other end of the resistor R15 is electrically connected to one end of the resistor R18 and the base of the triode Q5. The collector of the triode Q5 is electrically connected to the other end of the resistor R12 and the pin 4 of the field effect transistor group Q2. The pin 13 of the control chip U2 is electrically connected to one end of the resistor R14. The other end of the resistor R14 is electrically connected to one end of the resistor R19 and the base of the triode Q10. The collector of the triode Q10 is electrically connected to the other end of the resistor R13 and the pin 4 of the field effect transistor group Q3. The control chip U2 respectively controls the triode Q5 and the field effect transistor Q2 to conduct or the triode Q10 and the field effect transistor group Q3 to conduct through the RA1 pin and the RA2 pin according to the control signal of the switch module, so as to realize the control of the forward rotation and the reverse rotation of the motor.

[0056] The pin 2 of the control chip U2 is electrically connected to one end of the resistor R16. The other end of the resistor R16 is electrically connected to one end of the resistor R26 and the pin 2 of the field effect transistor group Q2. The pin 3 of the control chip U2 is electrically connected to one end of the resistor R17. The other end of the resistor R17 is electrically connected to one end of the resistor R27 and the pin 2 of the field effect transistor group Q3. The pin 1 of the field effect transistor group Q2 and the pin 1 of the field effect transistor group Q3 are electrically connected to the pin 11 of the control chip U2 and are grounded. In this embodiment, the pin 1 of the field effect transistor group Q2 and the pin 1 of the field effect transistor group Q3 are electrically connected to one ends of the resistor R2 and the resistor R3. The other end of the resistor R3 is electrically connected to one end of the capacitor C5 and the pin 11 of the control chip U2. The other ends of the capacitor C5, the resistor R2, the resistor R18, the resistor R19, the resistor R26, the resistor R27, the emitter of the triode Q5 and the emitter of the triode Q10 are all grounded. In this embodiment, both the field effect transistor group Q2 and the field effect transistor group Q3 include an upper field effect transistor and a lower field effect transistor. The source of the upper field effect transistor is the pin 3. The gate of the upper field effect transistor is the pin 4. The drain of the upper field effect transistor and the drain of the lower field effect transistor are the pin 5. The gate of the lower field effect transistor is the pin 2. The source of the lower field effect transistor is the pin 1.

[0057] Please refer to Figure 6As shown in the figure, the switch module includes switch S1, switch S2, capacitor C14, and capacitor C13. One end of switch S1 is electrically connected to pin 15 of control chip U2 and one end of capacitor C14. One end of switch S2 is electrically connected to pin 5 of control chip U2 and one end of capacitor C13. The other ends of switch S1, switch S2, capacitor C13, and capacitor C14 are all grounded. The switch module outputs control signals for the forward rotation and reverse rotation of the motor to control chip U2 through switch S1 and switch S2 respectively.

[0058] Please refer to Figure 3 As shown in the figure, the charging module includes interface J5, charging management chip U3, diode D1, diode D3, field effect transistor Q1, inductor L1, resistor R5, resistor R9, resistor R11, resistor R28, resistor R36, resistor R37, and capacitors C1, C2, C7, C10, C11, C12. Pin 1 of interface J5 is electrically connected to one ends of capacitor C2, resistor R9, resistor R28, and pin 3 of charging management chip U3. The other end of resistor R28 is electrically connected to pin 1 of charging management chip U3 and one end of inductor L1. The other end of inductor L1 is electrically connected to the drain of field effect transistor Q1 and the anode of triode D3. The cathode of triode D3 is electrically connected to the anode of triode D1. The cathode of triode D1 is electrically connected to the power supply module. Resistor R9 is electrically connected to pin 4 of control chip U2. One end of capacitor C10 is electrically connected to pin 4 of charging management chip U3. Pin 2 of charging management chip U3 is electrically connected to one end of resistor R36. The other end of resistor R36 is electrically connected between triode D3 and triode D1. Pin 5 of charging management chip U3 is electrically connected to the gate of field effect transistor Q1. Capacitor C1 and resistor R11 are connected in parallel between resistor R9 and pin 4 of control chip U2 and are grounded; capacitor C7, resistor R37, and resistor R5 are connected in parallel between pin 2 of charging management chip U3 and resistor R36 and are grounded. Capacitor C11 and capacitor C12 are connected in parallel between triode D3 and triode D1 and are grounded. The other ends of capacitor C2, capacitor C10, pin 4 of interface J5, pin 6 of charging management chip U3, and the source of field effect transistor Q1 are all grounded. In this embodiment, the model of charging management chip U3 is CN3300.

[0059] Please refer to Figure 5As shown, the voltage detection module includes a field effect transistor Q6, a triode Q4, resistors R8, R10, R38, R39, R40, and a capacitor C9. The power output terminal of the power supply module is electrically connected to one end of resistor R38 and the source electrode of field effect transistor Q6. The gate electrode of field effect transistor Q6 is electrically connected to the other end of resistor R38 and one end of resistor R39. The other end of resistor R39 is electrically connected to the collector electrode of triode Q4. Resistor R40 is electrically connected between pin 10 of control chip U2 and the base electrode of triode Q4. The source electrode of field effect transistor Q6 is electrically connected to one end of resistor R8. The other end of resistor R8 is electrically connected to pin 12 of control chip U2. Capacitor C9 and resistor R10 are connected in parallel between resistor R8 and pin 12 of control chip U2 and are grounded. The emitter electrode of triode Q4 is grounded. The control chip U2 outputs a voltage detection signal through pin RA5 to control the conduction of field effect transistor Q6. The voltage detection module outputs the voltage signal to the control chip U2 through RA3.

[0060] Please refer to Figure 9 As shown, the indicator light module includes at least one group of LED light groups. In this embodiment, the number of LED light groups is five. The LED light group includes a first light emitting diode and a second light emitting diode. The first light emitting diode emits red light, and the second light emitting diode emits blue light. The power output terminal of the power supply module is electrically connected to the positive electrodes of the first light emitting diode and the second light emitting diode, that is, pin 3 of voltage stabilizing chip U1 is electrically connected to the positive electrodes of the first light emitting diode and the second light emitting diode. The negative electrode of the first light emitting diode is electrically connected to pin 6 of control chip U2. The negative electrode of the second light emitting diode is electrically connected to pin 7 of control chip U2.

[0061] As described above, it is only the preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present utility model should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. A control circuit for an automatic umbrella, characterized in that, It includes a power supply module, a control module, a charging module, a voltage detection module, a motor drive module, a switch module, and an indicator light module. The signal output terminal of the switch module and the voltage detection terminal of the motor drive module are both electrically connected to the signal input terminal of the control module, and the signal output terminal of the control module is electrically connected to the signal input terminal of the motor drive module. The signal output terminals of the charging module and the voltage detection module are electrically connected to the signal input terminal of the control module. The power supply module supplies power to the control module, the voltage detection module, the motor drive module, and the indicator light module, and the charging module charges the storage battery of the power supply module.

2. The control circuit of the automatic umbrella according to claim 1, wherein: The control module includes a control chip U2, a capacitor C3, and a capacitor C4. The power output terminal of the power supply module is electrically connected to one end of the capacitor C3, the capacitor C4, and the pin 16 of the control chip U2, and the other ends of the capacitor C3, the capacitor C4, and the pin 1 of the control chip U2 are all grounded. The pins 2, 3, 13, and 14 of the control chip U2 are electrically connected to the signal input terminal of the motor drive module, and the pin 11 of the control chip U2 is electrically connected to the voltage detection terminal of the motor drive module. The pins 5 and 15 of the control chip U2 are electrically connected to the signal output terminal of the switch module. The pins 10 and 12 of the control chip U2 are respectively electrically connected to the signal input terminal and the signal output terminal of the voltage detection module. The pins 6 and 7 of the control chip U2 are electrically connected to the signal output terminal of the indicator light module. The pin 4 of the control chip U2 is electrically connected to the signal output terminal of the charging module.

3. The control circuit of the automatic umbrella according to claim 2, characterized in that: The motor drive module includes a field effect transistor group Q2, a field effect transistor group Q3, a triode Q5, a triode Q10, a terminal M+1, a terminal M-1, and resistors R12, R13, R14, R15, R16, R17, R18, R19, R26, and R27. The power output terminal of the power supply module is electrically connected to one ends of the resistors R12 and R13, the pin 3 of the field effect transistor group Q2, and the pin 3 of the field effect transistor group Q3. The pin 5 of the field effect transistor group Q2 and the pin 5 of the field effect transistor group Q3 are respectively electrically connected to the terminal M+1 and the terminal M-1, and the terminal M+1 and the terminal M-1 are respectively electrically connected to the positive and negative electrodes of the motor. The pin 14 of the control chip U2 is electrically connected to one end of the resistor R15. The other end of the resistor R15 is electrically connected to one end of the resistor R18 and the base of the triode Q5. The collector of the triode Q5 is electrically connected to the other end of the resistor R12 and the pin 4 of the field effect transistor group Q2. The pin 2 of the control chip U2 is electrically connected to one end of the resistor R16. The other end of the resistor R16 is electrically connected to one end of the resistor R26 and the pin 2 of the field effect transistor group Q2. Pin 13 of the control chip U2 is electrically connected to one end of the resistor R14. The other end of the resistor R14 is electrically connected to one end of the resistor R19 and the base of the triode Q10. The collector of the triode Q10 is electrically connected to the other end of the resistor R13 and pin 4 of the field effect transistor group Q3. Pin 3 of the control chip U2 is electrically connected to one end of the resistor R17. The other end of the resistor R17 is electrically connected to one end of the resistor R27 and pin 2 of the field effect transistor group Q3. Pin 1 of the field effect transistor group Q2 and pin 1 of the field effect transistor group Q3 are electrically connected to pin 11 of the control chip U2 and grounded. The other ends of the resistors R18, R19, R26, R27, the emitter of the triode Q5, and the emitter of the triode Q10 are all grounded.

4. The control circuit of the automatic umbrella according to claim 3, wherein: Both the field effect transistor group Q2 and the field effect transistor group Q3 include an upper field effect transistor and a lower field effect transistor. The source of the upper field effect transistor is pin 3, the gate of the upper field effect transistor is pin 4, the drain of the upper field effect transistor and the drain of the lower field effect transistor are pin 5, the gate of the lower field effect transistor is pin 2, and the source of the lower field effect transistor is pin 1.

5. The control circuit of the automatic umbrella according to claim 2, characterized in that: The switch module includes switches S1, S2, and capacitors C14, C13. One end of the switch S1 is electrically connected to pin 15 of the control chip U2 and one end of the capacitor C14. One end of the switch S2 is electrically connected to 5 of the control chip U2 and one end of the capacitor C13. The other ends of the switches S1, S2, capacitor C13, and capacitor C14 are all grounded.

6. The control circuit of the automatic umbrella according to claim 2, characterized in that: The charging module includes an interface J5, a charging management chip U3, diodes D1, D3, a field effect transistor Q1, an inductor L1, resistors R5, R9, R11, R28, R36, R37, and capacitors C1, C2, C7, C10, C11, C12. Pin 1 of the interface J5 is electrically connected to one ends of the capacitor C2, the resistor R9, and the resistor R28 and pin 3 of the charging management chip U3. The other end of the resistor R28 is electrically connected to pin 1 of the charging management chip U3 and one end of the inductor L1. The other end of the inductor L1 is electrically connected to the drain of the field effect transistor Q1 and the positive pole of the triode D3. The negative pole of the triode D3 is electrically connected to the positive pole of the triode D1. The negative pole of the triode D1 is electrically connected to the power supply module. The resistor R9 is electrically connected to pin 4 of the control chip U2. One end of the capacitor C10 is electrically connected to pin 4 of the charging management chip U3. Pin 2 of the charging management chip U3 is electrically connected to one end of the resistor R36. The other end of the resistor R36 is electrically connected between the triode D3 and the triode D1. Pin 5 of the charging management chip U3 is electrically connected to the gate of the field effect transistor Q1. The capacitor C1 and the resistor R11 are connected in parallel between the resistor R9 and the pin 4 of the control chip U2, and are grounded; the capacitor C7, the resistor R37 and the resistor R5 are connected in parallel between the pin 2 of the charging management chip U3 and the resistor R36, and are grounded, the capacitor C11 and the capacitor C12 are connected in parallel between the triode D3 and the triode D1, and are grounded. The other ends of the capacitor C2 and the capacitor C10, the pin 4 of the interface J5, the pin 6 of the charging management chip U3, and the source electrode of the field effect transistor Q1 are all grounded.

7. The control circuit of the automatic umbrella according to claim 2, characterized in that: The voltage detection module includes a field effect transistor Q6, a triode Q4, a resistor R8, a resistor R10, a resistor R38, a resistor R39, a resistor R40, and a capacitor C9. The power output end of the power supply module is electrically connected to one end of the resistor R38 and the source electrode of the field effect transistor Q6. The gate electrode of the field effect transistor Q6 is electrically connected to the other end of the resistor R38 and one end of the resistor R39. The other end of the resistor R39 is electrically connected to the collector electrode of the triode Q4. The resistor R40 is electrically connected between the pin 10 of the control chip U2 and the base electrode of the triode Q4. The source electrode of the field effect transistor Q6 is electrically connected to one end of the resistor R8. The other end of the resistor R8 is electrically connected to the pin 12 of the control chip U2. The capacitor C9 and the resistor R10 are connected in parallel between the resistor R8 and the pin 12 of the control chip U2, and are grounded. The emitter electrode of the triode Q4 is grounded.

8. The control circuit of the automatic umbrella according to claim 2, wherein: The indicator light module includes at least one group of LED light groups. The LED light group includes a first light emitting diode and a second light emitting diode. The power output end of the power supply module is electrically connected to the positive electrodes of the first light emitting diode and the second light emitting diode. The negative electrode of the first light emitting diode is electrically connected to the pin 6 of the control chip U2. The negative electrode of the second light emitting diode is electrically connected to the pin 7 of the control chip U2.

9. The control circuit of the automatic umbrella according to claim 1, characterized in that: It further includes a voltage stabilizing module. The voltage stabilizing module includes a voltage stabilizing chip U1 and a capacitor C16 and a capacitor C15. The power output end of the power supply module is electrically connected to the pin 2 of the voltage stabilizing chip U1 and one end of the capacitor C16. The pin 3 of the voltage stabilizing chip U1 is electrically connected to one end of the capacitor C15 and the power input ends of the control module and the indicator light module. The other ends of the capacitor C15 and the capacitor C16 and the pin 1 of the voltage stabilizing chip U1 are all grounded.

Images