Solar charging intelligent touch temperature display heat preservation circuit and heat preservation cup

Abstract

The utility model discloses a solar charging intelligent touch temperature display heat preservation circuit and a heat preservation cup. The solar charging intelligent touch temperature display heat preservation circuit comprises a charging circuit, a voltage stabilizing circuit, a temperature measuring circuit, an LCD display circuit, a main control circuit and a power source. The charging circuit, the voltage stabilizing circuit, the temperature measuring circuit and the LCD display circuit are respectively and electrically connected with the main control circuit, and the charging circuit, the voltage stabilizing circuit, the temperature measuring circuit, the LCD display circuit and the main control circuit are respectively and electrically connected with the power supply. The vacuum cup and intelligent control can be integrated, attractiveness is not affected, intelligent temperature display is achieved, charging is not needed, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of thermos cups, and in particular to a solar charging intelligent touch temperature display thermos circuit and a thermos cup. Background Art

[0002] Thermos cups are one of the common items in our daily life. We can carry them with us and keep hot drinks at any time. There are many types of thermos cups on the market with different functions. With the development of technology, embedded applications have been applied to all aspects of life. Smart thermos cups with temperature display have been favored by many people because they can display water temperature!

[0003] However, most of the batteries used in smart thermos cups on the market are primary batteries, which are inconvenient to disassemble and replace. Even if there are lithium-ion rechargeable batteries, the charging port affects the appearance and is prone to water ingress and oxidation. Utility Model Content

[0004] The utility model aims to provide a solar charging intelligent touch temperature display insulation circuit and a thermos cup, which are used to solve the problem that most batteries in the prior art are primary batteries, which are inconvenient to disassemble and replace batteries. Even if there are lithium batteries or rechargeable batteries, the charging port is left to affect the appearance and is easy to get water and oxidize.

[0005] The utility model proposes a solar charging intelligent touch temperature display insulation circuit, comprising a charging circuit, a voltage stabilizing circuit, a temperature measuring circuit, an LCD display circuit, a main control circuit and a power supply; the charging circuit, the voltage stabilizing circuit, the temperature measuring circuit and the LCD display circuit are electrically connected to the main control circuit respectively, and the charging circuit, the voltage stabilizing circuit, the temperature measuring circuit, the LCD display circuit and the main control circuit are electrically connected to the power supply respectively.

[0006] Further, the charging circuit includes a first charging unit and a second charging unit; the first charging unit includes a wiring terminal J, the second pin of the wiring terminal J is grounded, the first pin is connected to the second capacitor C2 and one end of the second inductor U2, the other end of the second capacitor C2 is grounded, and the other end of the second inductor is connected to the LX pin of the fourth chip U4; the GND pin of the fourth chip U4 is grounded, the Vout pin is connected to an external high voltage, one end of the third capacitor C3 and an input end of a Zener diode D1; the other end of the third capacitor C3 is grounded, and the other input end of the Zener diode D1 is connected to the positive electrode of the power supply; the second charging unit includes a fifth chip U5, the VCC pin of the fifth chip U5 is connected to an external high voltage, the PROG pin is connected to one end of the ninth resistor R9, the GND pin is grounded, and one end of the BAT pin is connected to the positive electrode of the battery; the other end of the ninth resistor R9 is grounded; the negative electrode of the battery is grounded.

[0007] Furthermore, the voltage stabilizing circuit includes a first capacitor C1, a first transistor Q1 and a fourth capacitor C4; one end of the first capacitor C13 is grounded, and the other end is connected to the input end of the first transistor Q1; the GND end of the first transistor Q1 is grounded, and the output end is connected to one end of the fourth capacitor C4; one end of the fourth capacitor C4 is connected to a high voltage, and the other end is grounded.

[0008] Furthermore, the temperature measurement circuit includes a first resistor R1, a tenth capacitor C10 and a first terminal J1; one end of the first resistor R1 is connected to a high voltage, and the other end is connected to a first pin of the first terminal J1 and one end of the tenth capacitor C10, and the other end of the tenth capacitor C10 is grounded and connected to a first pin of the second terminal J2.

[0009] Furthermore, the LCD display circuit includes an LCD controller H1 and an LCD display, and the LCD display is correspondingly connected to the pins of the LCD controller H1.

[0010] Furthermore, the main control circuit includes a control unit and a program burning port; the control unit includes a control chip, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a ninth capacitor C9, an eleventh capacitor C11, a second resistor R2 and a button K1; one end of the fifth capacitor C5 is grounded, and the other end is connected to the V1 pin of the control chip; one end of the ninth capacitor C9 is grounded, and the other end is connected to the PA1 / V2 pin of the control chip; one end of the eighth capacitor C8 is connected to the PA5 / C1 pin of the control chip, and the other end is connected to the PA6 / C2 pin of the control chip; one end of the sixth capacitor C6 is grounded, and the other end is connected to the PLCD of the control chip pin; one end of the seventh capacitor C7 is grounded, and the other end is connected to the VDD pin of the control chip and an external high voltage; one end of the eleventh capacitor C11 is grounded, and the other end is connected to the PB4 / AN4 / KEY1 pin of the control chip and one end of the second resistor R2, and the other end of the second resistor R2 is connected to the key K1; the VMAX pin of the chip is connected to an external high voltage, and the VSS pin is grounded; the other pins are connected to the pins in the LCD controller in a one-to-one correspondence according to the corresponding serial numbers; the first pin of the program burning port is connected to a high voltage, the second pin is grounded, the third pin is connected to the SCK pin of the control chip, and the fourth pin is connected to the SDA pin of the control chip.

[0011] The utility model also provides a solar-powered intelligent touch-control temperature display thermos cup, comprising the solar-powered intelligent touch-control temperature display thermos circuit as claimed in the claims.

[0012] The solar charging intelligent touch temperature display insulation circuit and the insulation cup of the utility model have the following advantages:

[0013] The thermos cup and intelligent control can be integrated without affecting the appearance. It has an intelligent temperature display, does not require charging, and is very practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 Shown is a circuit structure schematic diagram of the solar charging intelligent touch temperature display and insulation circuit in the present utility model.

[0016] Figure 2 Displayed is a schematic diagram of a decimal LCD screen in the solar charging intelligent touch temperature display and insulation circuit of the present invention. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0018] like Figure 1 and Figure 2 As shown, Figure 1 Shown is a circuit structure schematic diagram of the solar charging intelligent touch temperature display and insulation circuit in the present utility model. Figure 2 The display is a schematic diagram of a decimal LCD screen in a solar charging intelligent touch temperature display and heat preservation circuit in the utility model. The utility model provides a solar charging intelligent touch temperature display and heat preservation circuit, including a charging circuit, a voltage stabilizing circuit, a temperature measuring circuit, an LCD display circuit, a main control circuit and a power supply;

[0019] The charging circuit, the voltage stabilizing circuit, the temperature measuring circuit, and the LCD display circuit are electrically connected to the main control circuit respectively, and the charging circuit, the voltage stabilizing circuit, the temperature measuring circuit, the LCD display circuit, and the main control circuit are electrically connected to the power supply respectively.

[0020] In one embodiment, the charging circuit is used to charge the lithium battery by solar energy, and the voltage is boosted to 5V by a boost chip to charge the lithium battery; it usually includes a first charging unit and a second charging unit; the first charging unit includes a terminal J, the second pin of the terminal J is grounded, the first pin is connected to the second capacitor C2 and one end of the second inductor U2, the other end of the second capacitor C2 is grounded, and the other end of the second inductor is connected to the LX pin of the fourth chip U4; the GND pin of the fourth chip U4 is grounded, the Vout pin is connected to an external high voltage, one end of the third capacitor C3 and an input end of a Zener diode D1; the other end of the third capacitor C3 is grounded, and the other input end of the Zener diode D1 is connected to the positive electrode of the power supply; the second charging unit includes a fifth chip U5, the VCC pin of the fifth chip U5 is connected to an external high voltage, the PROG pin is connected to one end of the ninth resistor R9, the GND pin is grounded, and one end of the BAT pin is connected to the positive electrode of the battery; the other end of the ninth resistor R9 is grounded; the negative electrode of the battery is grounded. Preferably, the solar panel is boosted to 5V by the boost chip ME2188A50, and then the battery is charged by the charging chip TP4054.

[0021] The voltage stabilizing circuit reduces the battery voltage to 3V, stabilizes the voltage, and supplies power to the single-chip microcomputer, including a first capacitor C1, a first transistor Q1 and a fourth capacitor C4; one end of the first capacitor C13 is grounded, and the other end is connected to the input end of the first transistor Q1; the GND end of the first transistor Q1 is grounded, and the output end is connected to one end of the fourth capacitor C4; one end of the fourth capacitor C4 is connected to a high voltage, and the other end is grounded.

[0022] The temperature measurement circuit uses a 10K precision 1% 3740K thermistor with constant temperature, and uses ADC to collect voltage for temperature measurement. It includes a first resistor R1, a tenth capacitor C10 and a first terminal J1; one end of the first resistor R1 is connected to a high voltage, and the other end is connected to the first pin of the first terminal J1 and one end of the tenth capacitor C10, and the other end of the tenth capacitor C10 is connected to the ground and the first pin of the second terminal J2. In this embodiment, the LCD display circuit includes an LCD controller H1 and an LCD display, and the LCD display is connected to the pins of the LCD controller H1 in accordance with the corresponding connection.

[0023] As shown in Table 1, Table 1 is the port correspondence table of the decimal LCD screen.

[0024]

[0025] Combination Figure 2 It can be seen that the LCD screen adopts 3COM13SEG, and the main control directly drives the LCD.

[0026] In a preferred embodiment, the main control circuit includes a control unit and a program burning port; the control unit includes a control chip, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a ninth capacitor C9, an eleventh capacitor C11, a second resistor R2 and a button K1; one end of the fifth capacitor C5 is grounded, and the other end is connected to the V1 pin of the control chip; one end of the ninth capacitor C9 is grounded, and the other end is connected to the PA1 / V2 pin of the control chip; one end of the eighth capacitor C8 is connected to the PA5 / C1 pin of the control chip, and the other end is connected to the PA6 / C2 pin of the control chip; one end of the sixth capacitor C6 is grounded, and the other end is connected to the P LCD pin; one end of the seventh capacitor C7 is grounded, and the other end is connected to the VDD pin of the control chip and an external high voltage; one end of the eleventh capacitor C11 is grounded, and the other end is connected to the PB4 / AN4 / KEY1 pin of the control chip and one end of the second resistor R2, and the other end of the second resistor R2 is connected to the key K1; the VMAX pin of the chip is connected to an external high voltage, and the VSS pin is grounded; the other pins are connected to the pins in the LCD controller in a one-to-one correspondence according to the corresponding serial number; the first pin of the program burning port is connected to a high voltage, the second pin is grounded, the third pin is connected to the SCK pin of the control chip, and the fourth pin is connected to the SDA pin of the control chip. In one embodiment, the main control uses Hetai's BS67F340, which has a touch function and LCD driver, and the sleep power consumption is 3uA. When the touch is sensed, the temperature is displayed for 3S, and then it enters low-power sleep. Since the LCD driving power consumption is low, the sleep power consumption is extremely low, so it basically does not consume power.

[0027] The utility model also provides a solar-powered intelligent touch-control temperature display thermos cup, comprising the above-mentioned solar-powered intelligent touch-control temperature display thermos circuit.

[0028] The solar charging intelligent touch temperature display insulation circuit and the thermos cup provided by the utility model can integrate the thermos cup and the intelligent control without affecting the appearance, and the utility model has the intelligent temperature display, does not need to be charged, and is highly practical.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A solar charging intelligent touch temperature display insulation circuit, characterized in that: Including charging circuit, voltage stabilizing circuit, temperature measuring circuit, LCD display circuit, main control circuit and power supply; The charging circuit, the voltage stabilizing circuit, the temperature measuring circuit, and the LCD display circuit are electrically connected to the main control circuit respectively, and the charging circuit, the voltage stabilizing circuit, the temperature measuring circuit, the LCD display circuit, and the main control circuit are electrically connected to the power supply respectively; The charging circuit includes a first charging unit and a second charging unit; The first charging unit includes a wiring terminal J, a second pin of the wiring terminal J is grounded, the first pin is connected to the second capacitor C2 and one end of the second inductor U2, the other end of the second capacitor C2 is grounded, and the other end of the second inductor is connected to the LX pin of the fourth chip U4; the GND pin of the fourth chip U4 is grounded, the Vout pin is connected to the external high voltage, one end of the third capacitor C3 and an input end of the voltage zener diode D1; the other end of the third capacitor C3 is grounded, and the other input end of the voltage zener diode D1 is connected to the positive electrode of the power supply; The second charging unit includes a fifth chip U5, a VCC pin of the fifth chip U5 is connected to an external high voltage, a PROG pin is connected to one end of a ninth resistor R9, a GND pin is grounded, and one end of a BAT pin is connected to the positive electrode of the battery; the other end of the ninth resistor R9 is grounded; and the negative electrode of the battery is grounded.

2. The solar charging intelligent touch temperature display insulation circuit according to claim 1 is characterized in that: The voltage stabilizing circuit includes a first capacitor C1, a first transistor Q1 and a fourth capacitor C4; One end of the first capacitor C13 is grounded, and the other end is connected to the input end of the first transistor Q1; the GND end of the first transistor Q1 is grounded, and the output end is connected to one end of the fourth capacitor C4; one end of the fourth capacitor C4 is connected to a high voltage, and the other end is grounded.

3. The solar charging intelligent touch temperature display insulation circuit according to claim 1, characterized in that: The temperature measurement circuit includes a first resistor R1, a tenth capacitor C10, a first wiring terminal J1 and a second wiring terminal J2; One end of the first resistor R1 is connected to a high voltage, and the other end is connected to the first pin of the first wiring terminal J1 and one end of the tenth capacitor C10. The other end of the tenth capacitor C10 is grounded and connected to the first pin of the second wiring terminal J2.

4. The solar charging intelligent touch temperature display insulation circuit according to claim 1, characterized in that: The LCD display circuit includes an LCD controller H1 and an LCD display, and the LCD display is correspondingly connected to the pins of the LCD controller H1.

5. The solar charging intelligent touch temperature display insulation circuit according to claim 4, characterized in that: The main control circuit includes a control unit and a program burning port; The control unit includes a control chip, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a ninth capacitor C9, an eleventh capacitor C11, a second resistor R2 and a button K1; One end of the fifth capacitor C5 is grounded, and the other end is connected to the V1 pin of the control chip; One end of the ninth capacitor C9 is grounded, and the other end is connected to the PA1 / V2 pin of the control chip; One end of the eighth capacitor C8 is connected to the PA5 / C1 pin of the control chip, and the other end is connected to the PA6 / C2 pin of the control chip; One end of the sixth capacitor C6 is grounded, and the other end is connected to the PLCD pin of the control chip; One end of the seventh capacitor C7 is grounded, and the other end is connected to the VDD pin of the control chip and an external high voltage; One end of the eleventh capacitor C11 is grounded, and the other end is connected to the PB4 / AN4 / KEY1 pin of the control chip and one end of the second resistor R2, and the other end of the second resistor R2 is connected to the key K1; The VMAX pin of the chip is connected to an external high voltage, and the VSS pin is grounded; the other pins are connected to the pins in the LCD controller in a one-to-one correspondence according to the corresponding serial numbers; The first pin of the program burning port is connected to a high voltage, the second pin is grounded, the third pin is connected to the SCK pin of the control chip, and the fourth pin is connected to the SDA pin of the control chip.

6. A solar-powered intelligent touch-control temperature display thermos cup, characterized in that: It comprises a solar charging intelligent touch temperature display insulation circuit as described in any one of claims 1 to 5.

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