Power supply recovery circuit applied to health preserving cup

Abstract

The utility model discloses a power recycling circuit applied to a health preserving cup, which comprises an outer cup, a detachable inner cup arranged in the outer cup and a cup cover covering the outer cup, a thermoelectric film capable of converting heat energy into electric energy is arranged on the bottom surface of the outer side of the inner cup, and a circuit board is arranged on the upper side of the inner cup. The circuit board is provided with a main control circuit for charging the film and a rechargeable battery BAT, the main control circuit is connected with a film charging circuit which is connected with the thermoelectric film and is used for charging the rechargeable battery BAT, the main control circuit comprises a control chip U2, the film charging circuit comprises a resistor R16 and a resistor R17, the two ends of the resistor R16 are connected with the positive electrode end of the thermoelectric film and a pin 14 of the control chip U2 respectively, and the two ends of the resistor R17 are connected with the control chip U2 respectively. The two ends of the resistor R17 are connected with the negative electrode end of the thermoelectric film and the pin 2 of the control chip U2 respectively, the thermoelectric conversion power recovery function is achieved, and the cruising ability of the rechargeable battery is improved.

Description

[TECHNICAL FIELD]

[0001] The utility model relates to a power recovery circuit applied to health preserving cup. [BACKGROUND]

[0002] In the prior art health preserving cup with temperature display function, the power consumption is fast, the endurance is poor, and the health preserving cup needs to be frequently charged, which is inconvenient to use. [SUMMARY]

[0003] The utility model provides a power recovery circuit applied to health preserving cup which overcomes the defects of prior art.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A power recovery circuit applied to health preserving cup, characterized by comprising an outer cup, a detachable inner cup arranged in the outer cup, and a cup cover covering the outer cup, a thermoelectric film for converting heat energy into electric energy is arranged on the bottom surface of the outer side of the inner cup, a circuit board is arranged on the upper side of the inner cup, the circuit board is provided with a main control circuit for realizing thin film charging and a charging battery BAT, the main control circuit is connected with a thin film charging circuit connected with the thermoelectric film and used for charging the charging battery BAT, the main control circuit comprises a control chip U2, the thin film charging circuit comprises a resistor R16 and a resistor R17, the two ends of the resistor R16 are respectively connected with the positive electrode end of the thermoelectric film and the pin 14 of the control chip U2, and the two ends of the resistor R17 are respectively connected with the negative electrode end of the thermoelectric film and the pin 2 of the control chip U2.

[0006] The power recovery circuit applied to health preserving cup as described above, characterized by that two inner cup through holes respectively communicating with the outer cup are arranged on the inner cup, a water suction assembly connected with one of the inner cup through holes and used for sucking the water in the outer cup into the inner cup, a water outlet assembly connected with the other inner cup through hole and used for discharging the water in the inner cup out of the outer cup, and an inner cup water level detection assembly for detecting whether the highest inner cup water level is reached are arranged in the inner cup, an outer cup water level detection assembly for detecting whether the highest outer cup water level is reached is arranged in the outer cup, the circuit board is provided with an outer cup water level acquisition circuit connected with the main control circuit and used for acquiring the water level information in connection with the outer cup water level detection assembly, a water suction driving circuit for driving the water suction assembly to work when the outer cup water level signal is detected, an inner cup water level acquisition circuit for acquiring the water level information in connection with the inner cup water level detection assembly, a water outlet driving circuit for driving the water outlet assembly to work when the inner cup water level signal is detected, a tilting detection circuit for detecting whether the cup body is tilted and cutting off the power supply after the cup body is tilted, a USB charging circuit connected with an external adapter and used for charging the charging battery BAT, a power switch circuit for manually controlling the on-off of the power supply, a sound circuit for sound prompting, and a display circuit for display prompting.

[0007] The power recycling circuit applied to the health-care cup has the characteristics that the main control circuit comprises a control chip U2, the pin 1 of the control chip U2 is connected with the inner cup water level collection circuit, the pins 3-5, 13 and 17-18 of the control chip U2 are connected with the display circuit respectively, the pin 6 of the control chip U2 is connected with the sound circuit, the pin 7 of the control chip U2 is grounded, the pin 8 of the control chip U2 is connected with the rechargeable battery BAT, the pins 9-10 of the control chip U2 are connected with the dumping detection circuit respectively, the pin 11 of the control chip U2 is connected with the water absorption driving circuit, the pin 12 of the control chip U2 is connected with the water outlet driving circuit, the pins 15-16 of the control chip U2 are connected with the USB charging circuit respectively, the pin 19 of the control chip U2 is connected with the power switch circuit, and the pin 20 of the control chip U2 is connected with the outer cup water level collection circuit.

[0008] The power recycling circuit applied to the health-care cup has the characteristics that the outer cup water level collection circuit comprises a connection terminal J1 connected with a water level sensor, the pin 1 of the connection terminal J1 is connected with one end of a capacitor C11 and the positive electrode end of a rechargeable battery BAT respectively, the pin 2 of the connection terminal J1 is connected with the other end of the capacitor C11, one end of a resistor R11 and one end of a resistor R12 respectively, the other end of the resistor R12 is grounded, and the other end of the resistor R11 is connected with the main control circuit; the water absorption driving circuit comprises a connection terminal Y1 connected with a water absorption motor, the pin 1 of the connection terminal Y1 is connected with the negative electrode end of a diode D5 and the positive electrode end of the rechargeable battery BAT respectively, the pin 2 of the connection terminal Y1 is connected with the positive electrode end of the diode D5 and the drain end of a MOS tube Q1 respectively, the gate end of the MOS tube Q1 is connected with one end of a resistor R8 and one end of a resistor R9 respectively, the other end of the resistor R8 and the source end of the MOS tube Q1 are grounded respectively, and the other end of the resistor R9 is connected with the main control circuit.

[0009] The power recycling circuit applied to the health-care cup has the characteristics that the inner cup water level collection circuit comprises a connection terminal J2 connected with a water level sensor, the pin 1 of the connection terminal J2 is connected with one end of a capacitor C10 and the positive electrode end of a rechargeable battery BAT respectively, the pin 2 of the connection terminal J2 is connected with the other end of the capacitor C10, one end of a resistor R24 and one end of a resistor R23 respectively, the other end of the resistor R23 is grounded, and the other end of the resistor R24 is connected with the main control circuit; the water outlet driving circuit comprises a connection terminal Y2 connected with a water absorption motor, the pin 1 of the connection terminal Y2 is connected with the negative electrode end of a diode D2 and the positive electrode end of the rechargeable battery BAT respectively, the pin 2 of the connection terminal Y2 is connected with the positive electrode end of the diode D2 and the drain end of a MOS tube Q2 respectively, the gate end of the MOS tube Q2 is connected with one end of a resistor R7 and one end of a resistor R10 respectively, the other end of the resistor R10 and the source end of the MOS tube Q2 are grounded respectively, and the other end of the resistor R7 is connected with the main control circuit.

[0010] The power recycling circuit applied to the health-care cup has the beneficial effects that:

[0011] The power recycling circuit applied to the health-care cup has the beneficial effects that:

[0012] The power recycling circuit applied to the health-care cup has the beneficial effects that:

[0013] The power recycling circuit applied to the health-care cup has the beneficial effects that:

[0014] The power recycling circuit applied to the health-care cup has the beneficial effects that:

[0015] The power recycling circuit applied to the health-care cup has the beneficial effects that: [SUMMARY]

[0016] Figure 1 The power recycling circuit applied to the health-care cup has the beneficial effects that:

[0017] Figure 2 The power recycling circuit applied to the health-care cup has the beneficial effects that:

[0018] Figure 3 For the second circuit diagram of the utility model. [DETAILED DESCRIPTION]

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings.

[0020] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly. In addition, the descriptions involving "preferred", "second preferred" and the like in the utility model are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features with "preferred" and "second preferred" can explicitly or implicitly include at least one of the features.

[0021] As shown in Figures 1-2 A power recovery circuit applied to a health preservation cup, comprising an outer cup, an inner cup arranged in the outer cup and detachable, and a cup cover covering the outer cup, the outer bottom surface of the inner cup is provided with a thermoelectric film capable of converting heat energy into electric energy, the upper side of the inner cup is provided with a circuit board, and the inner cup cavity is arranged between the upper side of the inner cup and the cup cover; the circuit board is provided with a main control circuit 1 for realizing thin film charging and a charging battery BAT, the main control circuit 1 is connected with a thin film charging circuit 2 connected with the thermoelectric film for charging the charging battery BAT, the main control circuit 1 comprises a control chip U2, and the thin film charging circuit 2 comprises a resistor R16 and a resistor R17, the two ends of the resistor R16 are respectively connected with the positive electrode end of the thermoelectric film and the pin 14 of the control chip U2, and the two ends of the resistor R17 are respectively connected with the negative electrode end of the thermoelectric film and the pin 2 of the control chip U2.

[0022] In actual use, after the outer cup is filled with hot water, the thermoelectric film arranged at the outer bottom of the inner cup is in contact with the hot water and converts heat energy into electric energy, and the charging battery BAT is charged through the thin film charging circuit 2 and the main control circuit 1, realizing the power recovery function of thermoelectric conversion, improving the endurance of the charging battery, and reducing the charging frequency.

[0023] As shown in Figure 1As shown, the inner cup is provided with two inner cup through holes respectively communicating with the outer cup, the inner cup is provided with a water suction assembly connected with one of the inner cup through holes for sucking water in the outer cup into the inner cup, a water outlet assembly connected with the other inner cup through hole for discharging water in the inner cup out of the outer cup, and an inner cup water level detection assembly for detecting whether the highest inner cup water level is reached, the outer cup is provided with an outer cup water level detection assembly for detecting whether the highest outer cup water level is reached, the circuit board is provided with an outer cup water level acquisition circuit 3 connected with the main control circuit 1 for acquiring water level information in connection with the outer cup water level detection assembly, a water suction driving circuit 4 for driving the water suction assembly to work when the outer cup water level signal is detected, an inner cup water level acquisition circuit 5 for acquiring water level information in connection with the inner cup water level detection assembly, a water outlet driving circuit 6 for driving the water outlet assembly to work when the inner cup water level signal is detected, a tilting detection circuit 7 for detecting whether the cup body is tilted and powering off after the cup body is tilted, a USB charging circuit 8 connected with the external adapter for charging the rechargeable battery BAT, a power switch circuit 9 for manually controlling the on-off power, a sound circuit 10 for sound prompting, and a display circuit 11 for display prompting.

[0024] In actual use, when the outer cup water level acquisition circuit 3 detects that the outer cup water level reaches the set water level height, the main control circuit 1 controls the water suction driving circuit 4 to drive the water suction assembly to suck the water in the outer cup into the inner cup, at this time the water outlet driving circuit 5 does not work; when the inner cup water level rises and reaches the set water level height, the inner cup water level acquisition circuit 5 detects the inner cup water level signal, the main control circuit 1 controls the water outlet driving circuit 6 to drive the water outlet assembly to discharge the water in the inner cup out of the outer cup, at this time the water suction driving circuit 4 does not work, realizing the flow of liquid between the outer cup and the inner cup, and realizing the stirring function.

[0025] When the cup body is tilted, the tilting detection circuit 7 is triggered to output a cup body tilting signal to the main control circuit 1, and the main control circuit 1 controls power off.

[0026] The case can also be charged to the rechargeable battery BAT through the external adapter connected with the USB charging circuit 8, improving the endurance capability.

[0027] Among them, the power switch circuit 9 is manually triggered for switching; the sound circuit 10 prompts the working state; the display circuit 11 prompts the working state.

[0028] As Figure 2As shown in the figure, the main control circuit 1 includes a control chip U2, the pin 1 of the control chip U2 is connected with the inner cup water level acquisition circuit 4, the pin 3-5, pin 13 and pin 17-18 of the control chip U2 are connected with the display circuit 11 respectively, the pin 6 of the control chip U2 is connected with the sound circuit 10, the pin 7 of the control chip U2 is grounded, the pin 8 of the control chip U2 is connected with the rechargeable battery BAT, the pin 9-10 of the control chip U2 is connected with the dumping detection circuit 6 respectively, the pin 11 of the control chip U2 is connected with the water absorption driving circuit 3, the pin 12 of the control chip U2 is connected with the water outlet driving circuit 5, the pin 15-16 of the control chip U2 is connected with the USB charging circuit 8 respectively, the pin 19 of the control chip U2 is connected with the power switch circuit 9, and the pin 20 of the control chip U2 is connected with the outer cup water level acquisition circuit 2.

[0029] As shown in the figure, Figure 3 The outer cup water level acquisition circuit 2 includes a connection terminal J1 connected with the water level sensor, the pin 1 of the connection terminal J1 is connected with one end of the capacitor C11 and the positive electrode end of the rechargeable battery BAT respectively, the pin 2 of the connection terminal J1 is connected with the other end of the capacitor C11, one end of the resistor R11 and one end of the resistor R12 respectively, the other end of the resistor R12 is grounded, and the other end of the resistor R11 is connected with the main control circuit 1; the water absorption driving circuit 3 includes a connection terminal Y1 connected with the water absorption motor, the pin 1 of the connection terminal Y1 is connected with the negative electrode end of the diode D5 and the positive electrode end of the rechargeable battery BAT respectively, the pin 2 of the connection terminal Y1 is connected with the positive electrode end of the diode D5 and the drain end of the MOS tube Q1 respectively, the gate end of the MOS tube Q1 is connected with one end of the resistor R8 and one end of the resistor R9 respectively, the other end of the resistor R8 and the source end of the MOS tube Q1 are grounded respectively, and the other end of the resistor R9 is connected with the main control circuit 1. When the water level sensor detects the liquid, the highest water level signal is sent to the control chip U2 of the main control circuit 1 through the resistor R11, the control chip U2 outputs the driving signal to the water absorption driving circuit 4, so that the MOS tube Q1 is turned on, the diode D5 is turned on, and the water absorption motor is driven to work through the connection terminal Y1.

[0030] As shown in the figure, Figure 3As shown, the inner cup water level acquisition circuit 4 includes a connection terminal J2 connected with the water level sensor, the pin 1 of the connection terminal J2 is connected with one end of the capacitor C10 and the positive pole of the charging battery BAT respectively, the pin 2 of the connection terminal J2 is connected with the other end of the capacitor C10, one end of the resistor R24 and one end of the resistor R23 respectively, the other end of the resistor R23 is grounded, and the other end of the resistor R24 is connected with the main control circuit 1; the water outlet driving circuit 5 includes a connection terminal Y2 connected with the water suction motor, the pin 1 of the connection terminal Y2 is connected with the negative pole of the diode D2 and the positive pole of the charging battery BAT respectively, the pin 2 of the connection terminal Y2 is connected with the positive pole of the diode D2 and the drain pole of the MOS tube Q2 respectively, the gate pole of the MOS tube Q2 is connected with one end of the resistor R7 and one end of the resistor R10 respectively, the other end of the resistor R10 and the source pole of the MOS tube Q2 are grounded respectively, and the other end of the resistor R7 is connected with the main control circuit 1. When the water level sensor detects liquid, it sends the highest water level signal to the control chip U2 of the main control circuit 1 through the resistor R24, the control chip U2 outputs the driving signal to the water outlet driving circuit 6, so that the MOS tube Q2 is turned on and the diode D2 is turned on, and the water suction motor is driven to work through the connection terminal Y2.

[0031] As shown in Figure 3 , the pouring detection circuit 6 includes a pouring detection switch SW1 turned on when the cup body is poured, one end of the pouring detection switch SW1 is connected with the positive pole of the charging battery BAT, the other end of the pouring detection switch SW1 is connected with one end of the resistor R13, one end of the capacitor C12 and one end of the resistor R6 respectively, the other end of the resistor R13 and the other end of the capacitor C12 are grounded respectively, and the other end of the resistor R6 is connected with the main control circuit 1. After the cup body is poured, the pouring detection switch SW1 is closed and turned on, so as to send the cup body pouring signal to the control chip U2 of the main control circuit 1.

[0032] As shown in Figure 3 , the power switch circuit 9 includes a switch NO / OFF connected with the main control circuit 1 through the resistor R15.

[0033] As shown in Figure 3As shown in the figure, the USB charging circuit 8 comprises a charging chip U1, the pin 1 of the charging chip U1 is grounded, the pin 2 of the charging chip U1 is grounded through a resistor R14, the pin 3 of the charging chip U1 is grounded, the pin 4 of the charging chip U1 is connected with one end of a capacitor C1, one end of a resistor R4 and one end of a resistor R1 respectively, the other end of the resistor R1 is connected with a USB port Y0 pin 2, the USB port Y0 pin 1 and the other end of the capacitor C1 are grounded respectively, the other end of the resistor R4 is connected with the main control circuit 1, the pin 5 of the charging chip U1 is connected with one end of a capacitor C3, one end of a capacitor C2, a positive electrode end of a charging battery BAT and a positive electrode end of an electrolytic capacitor EC1 respectively, the other end of the capacitor C3, the other end of the capacitor C2, a negative electrode end of the charging battery BAT and a negative electrode end of the electrolytic capacitor EC1 are grounded respectively, the pin 6 of the charging chip U1 is connected with the main control circuit 1 through a resistor R3, the pin 7 of the charging chip U1 is connected with the main control circuit 1 through a resistor R5, and the pin 8 of the charging chip U1 outputs a VCC power supply.

[0034] As shown in the figure, the sound circuit 10 comprises a loudspeaker BUZ1, and the display circuit 11 comprises a display SMG. Figure 3

[0035] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation, direct or indirect application in other related technical fields under the utility model concept of the utility model, and the contents of the utility model specification and the drawings are included in the patent protection range of the utility model.​

Claims

1. A power recovery circuit for use in a health-preserving cup, characterized in that: The cup includes an outer cup, a detachable inner cup arranged in the outer cup, and a cup cover covering the outer cup. The outer bottom surface of the inner cup is provided with a thermoelectric film capable of converting thermal energy into electrical energy. The upper side of the inner cup is provided with a circuit board. The circuit board is provided with a main control circuit (1) and a charging battery BAT for realizing thin film charging. The main control circuit (1) is connected with a thin film charging circuit (2) connected with the thermoelectric film for charging the charging battery BAT. The main control circuit (1) includes a control chip U2. The thin film charging circuit (2) includes resistors R16 and R17. The two ends of the resistor R16 are respectively connected with the positive electrode end of the thermoelectric film and the pin 14 of the control chip U2. The two ends of the resistor R17 are respectively connected with the negative electrode end of the thermoelectric film and the pin 2 of the control chip U2. The inner cup is provided with two inner cup through holes respectively communicating with the outer cup. The inner cup is provided with a water suction assembly connected with one of the inner cup through holes for sucking water in the outer cup into the inner cup, a water outlet assembly connected with the other inner cup through hole for discharging water in the inner cup out of the outer cup, and an inner cup water level detection assembly for detecting whether the highest inner cup water level is reached. The outer cup is provided with an outer cup water level detection assembly for detecting whether the highest outer cup water level is reached. The circuit board is provided with an outer cup water level acquisition circuit (3) connected with the main control circuit (1) for acquiring water level information from the outer cup water level detection assembly, a water suction driving circuit (4) for driving the water suction assembly to work when the outer cup water level signal is detected, an inner cup water level acquisition circuit (5) for acquiring water level information from the inner cup water level detection assembly, a water outlet driving circuit (6) for driving the water outlet assembly to work when the inner cup water level signal is detected, a tilting detection circuit (7) for detecting whether the cup body is tilted and cutting off power supply after the cup body is tilted, a USB charging circuit (8) connected with an external adapter for charging the charging battery BAT, a power switch circuit (9) for manually controlling on-off power supply, a sound circuit (10) for sound prompting, and a display circuit (11) for display prompting.

2. The power recovery circuit applied to the health-preserving cup according to claim 1, characterized in that: The pin 1 of the control chip U2 is connected with the inner cup water level acquisition circuit (5). The pins 3-5, 13 and 17-18 of the control chip U2 are respectively connected with the display circuit (11). The pin 6 of the control chip U2 is connected with the sound circuit (10). The pin 7 of the control chip U2 is grounded. The pin 8 of the control chip U2 is connected with the charging battery BAT. The pins 9-10 of the control chip U2 are respectively connected with the tilting detection circuit (7). The pin 11 of the control chip U2 is connected with the water suction driving circuit (4). The pin 12 of the control chip U2 is connected with the water outlet driving circuit (6). The pins 15-16 of the control chip U2 are respectively connected with the USB charging circuit (8). The pin 19 of the control chip U2 is connected with the power switch circuit (9). The pin 20 of the control chip U2 is connected with the outer cup water level acquisition circuit (3).

3. The power recovery circuit applied to the health preserving cup according to claim 1, characterized in that: The outer cup water level acquisition circuit (3) comprises a connection terminal J1 connected with the water level sensor, the pin 1 of the connection terminal J1 is connected with one end of a capacitor C11 and the positive terminal of a charging battery BAT respectively, the pin 2 of the connection terminal J1 is connected with the other end of the capacitor C11, one end of a resistor R11 and one end of a resistor R12 respectively, the other end of the resistor R12 is grounded, and the other end of the resistor R11 is connected with the main control circuit (1); the water suction driving circuit (4) comprises a connection terminal Y1 connected with the water suction motor, the pin 1 of the connection terminal Y1 is connected with the negative terminal of a diode D5 and the positive terminal of the charging battery BAT respectively, the pin 2 of the connection terminal Y1 is connected with the positive terminal of the diode D5 and the drain terminal of a MOS tube Q1 respectively, the gate terminal of the MOS tube Q1 is connected with one end of a resistor R8 and one end of a resistor R9 respectively, the other end of the resistor R8 and the source terminal of the MOS tube Q1 are grounded respectively, and the other end of the resistor R9 is connected with the main control circuit (1).

4. The power recovery circuit applied to the health preserving cup according to claim 1, characterized in that: The inner cup water level acquisition circuit (5) comprises a connection terminal J2 connected with the water level sensor, the pin 1 of the connection terminal J2 is connected with one end of a capacitor C10 and the positive terminal of the charging battery BAT respectively, the pin 2 of the connection terminal J2 is connected with the other end of the capacitor C10, one end of a resistor R24 and one end of a resistor R23 respectively, the other end of the resistor R23 is grounded, and the other end of the resistor R24 is connected with the main control circuit (1); the water outlet driving circuit (6) comprises a connection terminal Y2 connected with the water suction motor, the pin 1 of the connection terminal Y2 is connected with the negative terminal of a diode D2 and the positive terminal of the charging battery BAT respectively, the pin 2 of the connection terminal Y2 is connected with the positive terminal of the diode D2 and the drain terminal of a MOS tube Q2 respectively, the gate terminal of the MOS tube Q2 is connected with one end of a resistor R7 and one end of a resistor R10 respectively, the other end of the resistor R10 and the source terminal of the MOS tube Q2 are grounded respectively, and the other end of the resistor R7 is connected with the main control circuit (1).

5. The power recovery circuit applied to the health preserving cup according to claim 1, characterized in that: The pouring detection circuit (7) comprises a pouring detection switch SW1 turned on when the cup body is poured, one end of the pouring detection switch SW1 is connected with the positive terminal of the charging battery BAT, the other end of the pouring detection switch SW1 is connected with one end of a resistor R13, one end of a capacitor C12 and one end of a resistor R6 respectively, the other end of the resistor R13 and the other end of the capacitor C12 are grounded respectively, and the other end of the resistor R6 is connected with the main control circuit (1).

6. The power recovery circuit applied to the health preserving cup according to claim 1, characterized in that: The power switch circuit (9) comprises a switch NO / OFF connected with the main control circuit (1) through a resistor R15.

7. The power recovery circuit applied to the health preserving cup according to claim 1, characterized in that: The USB charging circuit (8) comprises a charging chip U1, the pin 1 of the charging chip U1 is grounded, The pin 2 of the charging chip U1 is grounded through the resistor R14, the pin 3 of the charging chip U1 is grounded, the pin 4 of the charging chip U1 is connected with one end of the capacitor C1, one end of the resistor R4 and one end of the resistor R1 respectively, the other end of the resistor R1 is connected with the pin 2 of the USB port Y0, the pin 1 of the USB port Y0 and the other end of the capacitor C1 are grounded respectively, the other end of the resistor R4 is connected with the main control circuit (1), the pin 5 of the charging chip U1 is connected with one end of the capacitor C3, one end of the capacitor C2, the positive electrode end of the charging battery BAT and the positive electrode end of the electrolytic capacitor EC1 respectively, the other end of the capacitor C3, the other end of the capacitor C2, the negative electrode end of the charging battery BAT and the negative electrode end of the electrolytic capacitor EC1 are grounded respectively, the pin 6 of the charging chip U1 is connected with the main control circuit (1) through the resistor R3, the pin 7 of the charging chip U1 is connected with the main control circuit (1) through the resistor R5, and the pin 8 of the charging chip U1 outputs the VCC power supply.

8. The power recovery circuit applied to the health preserving cup according to claim 1, characterized in that: The sound circuit (10) comprises a loudspeaker BUZ1; and the display circuit (11) comprises a display SMG.

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