Control circuit of quartz clock LCD calendar bar

Abstract

The utility model discloses a control circuit of a quartz clock LCD calendar strip, which comprises a calendar strip main control chip MCU, a pin 1 of the calendar strip main control chip MCU is electrically connected with one end of a capacitor C8 and one end of a resistor R3, the other end of the capacitor C8 is grounded, the other end of the resistor R3 is electrically connected with a pin 56 of the calendar strip main control chip MCU, and the other end of the resistor R3 is grounded. And a pin 55 and a pin 54 of the calendar bar main control chip MCU are electrically connected with one end of a resistor R16 and one end of a resistor R2 respectively. Through cooperation of the calendar bar main control chip MCU, the battery control circuit and the memory battery BATT1, time can be memorized, the time is well adjusted when a quartz clock is produced, the current time can be immediately and automatically displayed as long as the battery is installed, the time cannot return to zero, manual adjustment of a consumer is not needed, and the production efficiency is greatly improved. And adjustment time and adjustment troubles are saved for consumers.

Description

TECHNICAL FIELD

[0001] The utility model relates to quartz clock LCD calendar strip technical field especially, relate to a kind of control circuit of quartz clock LCD calendar strip. BACKGROUND

[0002] The LCD calendar strip matched with quartz clock in prior art has a pain point, when purchasing new quartz clock, date and time need to be adjusted by consumer, and after power failure, date and time still need to be re-adjusted when replacing new battery, for some consumers who cannot adjust, it will cause a lot of trouble, cannot meet the use demand, therefore we propose a kind of control circuit of quartz clock LCD calendar strip. SUMMARY

[0003] The utility model aims at solving the shortcomings in prior art, and proposes a kind of control circuit of quartz clock LCD calendar strip.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A kind of control circuit of quartz clock LCD calendar strip, including calendar strip main control chip MCU, the one end of the electric connection of the pin 1 of calendar strip main control chip MCU and the one end of resistance R3 and the one end of electric capacity C8, the other end of electric capacity C8 is grounded, the other end of resistance R3 is electrically connected with the pin 56 of calendar strip main control chip MCU, the one end of resistance R16 and the one end of resistance R2 are electrically connected with the pin 55 and pin 54 of calendar strip main control chip MCU respectively, the other end of resistance R16 is electrically connected with the one end of resistance RT and the one end of resistance R7, the other end of resistance R2 is electrically connected with the one end of resistance RH and the one end of resistance R1, the other end of resistance RT, the other end of resistance R7, the other end of resistance RH and the other end of resistance R1 are all electrically connected with the pin 56 of calendar strip main control chip MCU, the one end of reset switch RESET is electrically connected with the pin 53 of calendar strip main control chip MCU, the other end of reset switch RESET and the other end of electric capacity C11 are all grounded;

[0006] The pin 2 of the calendar bar master control chip MCU is electrically connected with the pin 16 of the battery control circuit, the pin 3 of the calendar bar master control chip MCU is electrically connected with one end of the capacitor C1 and one end of the quartz crystal oscillator X1, the other end of the capacitor C1 is grounded, the other end of the quartz crystal oscillator X1 is electrically connected with the pin 4 of the calendar bar master control chip MCU, the pin 4 of the calendar bar master control chip MCU is electrically connected with one end of the capacitor C2, the other end of the capacitor C2 is grounded, the pin 5 of the calendar bar master control chip MCU is electrically connected with one end of the relay J1, the pin 6, the pin 7, the pin 8, the pin 9 and the pin 10 of the calendar bar master control chip MCU are electrically connected with one end of the capacitor C3, one end of the capacitor C4, one end of the capacitor C5, one end of the capacitor C6 and one end of the capacitor C7 respectively, the other end of the capacitor C3, the other end of the capacitor C4, the other end of the capacitor C5 and the other end of the capacitor C6 are all grounded, the other end of the capacitor C7 is electrically connected with the pin 11 of the calendar bar master control chip MCU, the pin 12 of the calendar bar master control chip MCU is grounded, the pin 8 and the pin 5 of the calendar bar master control chip MCU are both electrically connected with the power voltage VDD.

[0007] The pin 13 of the calendar bar master control chip MCU is electrically connected with one end of the relay J2, the other end of the relay J2 is grounded, the pin 14, the pin 15 and the pin 16 of the calendar bar master control chip MCU are electrically connected with one end of the setting switch SET, one end of the downward switch DOWN and one end of the upward switch UP respectively, the other end of the setting switch SET, the other end of the downward switch DOWN and the other end of the upward switch UP are all grounded.

[0008] Preferably, the pin 15 of the battery control circuit is electrically connected with one end of the patch capacitor EC1 and one end of the capacitor C9, the other end of the patch capacitor EC1 and the other end of the capacitor C9 are both grounded, the other end of the relay J1 is also electrically connected with the pin 15 of the battery control circuit, the pin 1 and the pin 2 of the battery control circuit are electrically connected with one end of the main battery BATT and one end of the memory battery BATT1 respectively, the other end of the main battery BATT and the other end of the memory battery BATT1 are both grounded.

[0009] Preferably, the pin 17, the pin 18, the pin 19, the pin 20, the pin 21, the pin 22, the pin 23, the pin 24, the pin 25, the pin 26, the pin 27, the pin 28, the pin 29, the pin 30, the pin 31, the pin 32, the pin 33, the pin 34, the pin 35, the pin 37, the pin 38, the pin 39, the pin 40, the pin 41, the pin 42, the pin 43, the pin 44, the pin 45 and the pin 46 of the calendar bar master control chip MCU are electrically connected with the same LCD display.

[0010] Preferably, the pin 36 of the calendar bar main control chip MCU is electrically connected with a power voltage VDD, and the pin 57 of the calendar bar main control chip MCU is grounded.

[0011] Preferably, the pin 52 of the calendar bar main control chip MCU is electrically connected with a serial synchronous clock signal line, and the pin 51 of the calendar bar main control chip MCU is electrically connected with a data signal line SDA.

[0012] Preferably, the frequency of the quartz crystal oscillator X1 is 32.768KHz.

[0013] Compared with the prior art, the quartz clock LCD calendar bar control circuit has the advantages that:

[0014] The quartz clock LCD calendar bar control circuit can memorize time, automatically display the current time after the battery is connected, and does not need to be manually adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The quartz clock LCD calendar bar control circuit is provided with a circuit diagram of a calendar bar main control chip MCU and a battery control circuit;

[0016] Figure 2 The quartz clock LCD calendar bar control circuit is provided with a circuit diagram of a calendar bar main control chip MCU and a battery control circuit;

[0017] Figure 3 The quartz clock LCD calendar bar control circuit is provided with a circuit diagram of a calendar bar main control chip MCU and a battery control circuit;

[0018] Figure 4 The quartz clock LCD calendar bar control circuit is provided with a circuit diagram of a calendar bar main control chip MCU and a battery control circuit; DETAILED DESCRIPTION

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

[0020] REFERENCE Figures 1-4The utility model provides a control circuit of quartz clock LCD calendar strip, including calendar strip main control chip MCU, the pin 1 of calendar strip main control chip MCU is connected with the one end of electric capacity C8 and the one end of electric resistance R3, the other end of electric capacity C8 is grounded, the other end of electric resistance R3 is connected with the pin 56 of calendar strip main control chip MCU, the pin 55 and pin 54 of calendar strip main control chip MCU are connected with the one end of electric resistance R16 and the one end of electric resistance R2 respectively, the other end of electric resistance R16 is connected with the one end of electric resistance RT and the one end of electric resistance R7, the other end of electric resistance R2 is connected with the one end of electric resistance RH and the one end of electric resistance R1, the other end of electric resistance RT, the other end of electric resistance R7, the other end of electric resistance RH and the other end of electric resistance R1 are connected with the pin 56 of calendar strip main control chip MCU, the pin 53 of calendar strip main control chip MCU is connected with the one end of reset switch RESET, the other end of reset switch RESET and the other end of electric capacity C11 are grounded,

[0021] The pin 2 of calendar strip main control chip MCU is connected with the pin 16 of battery control circuit, the pin 15 of battery control circuit is connected with the one end of patch electric capacity EC1 and the one end of electric capacity C9, the other end of patch electric capacity EC1 and the other end of electric capacity C9 are grounded, the pin 1 and pin 2 of battery control circuit are connected with the one end of main battery BATT and the one end of memory battery BATT1 respectively, the other end of main battery BATT and the other end of memory battery BATT1 are grounded,

[0022] The pin 3 of calendar strip main control chip MCU is connected with the one end of electric capacity C1 and the one end of safety capacitor X1, wherein the frequency of quartz crystal oscillator X1 is 32.768KHz, the other end of electric capacity C1 is grounded, the other end of safety capacitor X1 is connected with the pin 4 of calendar strip main control chip MCU, the pin 4 of calendar strip main control chip MCU is connected with the one end of electric capacity C2, the other end of electric capacity C2 is grounded, the pin 5 of calendar strip main control chip MCU is connected with the one end of relay J1, the other end of relay J1 is also connected with the pin 15 of battery control circuit, the pin 6, pin 7, pin 8, pin 9 and pin 10 of calendar strip main control chip MCU are connected with the one end of electric capacity C3, the one end of electric capacity C4, the one end of electric capacity C5, the one end of electric capacity C6 and the one end of electric capacity C7 respectively, the other end of electric capacity C3, the other end of electric capacity C4, the other end of electric capacity C5 and the other end of electric capacity C6 are grounded, the other end of electric capacity C7 is connected with the pin 11 of calendar strip main control chip MCU, the pin 12 of calendar strip main control chip MCU is grounded, the pin 8 and pin 5 of calendar strip main control chip MCU are connected with power voltage VDD,

[0023] The pin 13 of the calendar bar master control chip MCU is electrically connected with one end of a relay J2, the other end of the relay J2 is grounded, the pin 14, the pin 15 and the pin 16 of the calendar bar master control chip MCU are electrically connected with one end of a setting switch SET, one end of a downward switch DOWN and one end of an upward switch UP respectively, the other end of the setting switch SET, the other end of the downward switch DOWN and the other end of the upward switch UP are all grounded, the pin 36 of the calendar bar master control chip MCU is electrically connected with a power supply voltage VDD, the pin 57 of the calendar bar master control chip MCU is grounded, the pin 52 of the calendar bar master control chip MCU is electrically connected with a serial synchronous clock signal line, and the pin 51 of the calendar bar master control chip MCU is electrically connected with a data signal line SDA.

[0024] The pin 17, the pin 18, the pin 19, the pin 20, the pin 21, the pin 22, the pin 23, the pin 24, the pin 25, the pin 26, the pin 27, the pin 28, the pin 29, the pin 30, the pin 31, the pin 32, the pin 33, the pin 34, the pin 35, the pin 37, the pin 38, the pin 39, the pin 40, the pin 41, the pin 42, the pin 43, the pin 44, the pin 45 and the pin 46 of the calendar bar master control chip MCU are electrically connected with the same LCD display, and the LCD display is used for displaying time; through cooperation of the calendar bar master control chip MCU, the battery control circuit and the memory battery BATT1, time can be memorized, when quartz clocks are produced, time is adjusted, once the battery is powered, the current time is automatically displayed, the time cannot be reset to zero, and therefore, the consumer does not need to manually adjust, thereby saving the time and the trouble of adjustment for the consumer.

[0025] Working principle: through cooperation of the calendar bar master control chip MCU, the battery control circuit, the main battery BATT and the memory battery BATT1, when quartz clocks are produced in a factory, time is adjusted, the memory battery BATT1 can remember the time, once the consumer receives the product, as long as the battery is powered, the current time is automatically displayed, the time cannot be reset to zero, and therefore, the consumer does not need to manually adjust, thereby saving the time and the trouble of adjustment for the consumer.

[0026] The above merely describes a preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A control circuit for a quartz clock LCD calendar bar, comprising a calendar bar master control chip MCU, characterized in that, The pin 1 of the calendar bar master control chip MCU is electrically connected with one end of the capacitor C8 and one end of the resistor R3, the other end of the capacitor C8 is grounded, the other end of the resistor R3 is electrically connected with the pin 56 of the calendar bar master control chip MCU, the pin 55 and the pin 54 of the calendar bar master control chip MCU are respectively electrically connected with one end of the resistor R16 and one end of the resistor R2, the other end of the resistor R16 is electrically connected with one end of the resistor RT and one end of the resistor R7, the other end of the resistor R2 is electrically connected with one end of the resistor RH and one end of the resistor R1, the other end of the resistor RT, the other end of the resistor R7, the other end of the resistor RH and the other end of the resistor R1 are all electrically connected with the pin 56 of the calendar bar master control chip MCU, the pin 53 of the calendar bar master control chip MCU is electrically connected with one end of the reset switch RESET, the other end of the reset switch RESET and the other end of the capacitor C11 are all grounded. The pin 2 of the calendar bar master control chip MCU is electrically connected with the pin 16 of the battery control circuit, the pin 3 of the calendar bar master control chip MCU is electrically connected with one end of the capacitor C1 and one end of the quartz crystal oscillator X1, the other end of the capacitor C1 is grounded, the other end of the quartz crystal oscillator X1 is electrically connected with the pin 4 of the calendar bar master control chip MCU, the pin 4 of the calendar bar master control chip MCU is electrically connected with one end of the capacitor C2, the other end of the capacitor C2 is grounded, the pin 5 of the calendar bar master control chip MCU is electrically connected with one end of the relay J1, the pin 6, the pin 7, the pin 8, the pin 9 and the pin 10 of the calendar bar master control chip MCU are respectively electrically connected with one end of the capacitor C3, one end of the capacitor C4, one end of the capacitor C5, one end of the capacitor C6 and one end of the capacitor C7, the other end of the capacitor C3, the other end of the capacitor C4, the other end of the capacitor C5 and the other end of the capacitor C6 are all grounded, the other end of the capacitor C7 is electrically connected with the pin 11 of the calendar bar master control chip MCU, the pin 12 of the calendar bar master control chip MCU is grounded, the pin 8 and the pin 5 of the calendar bar master control chip MCU are both electrically connected with the power voltage VDD. The pin 13 of the calendar bar master control chip MCU is electrically connected with one end of the relay J2, the other end of the relay J2 is grounded, the pin 14, the pin 15 and the pin 16 of the calendar bar master control chip MCU are respectively electrically connected with one end of the setting switch SET, one end of the downward switch DOWN and one end of the upward switch UP, the other end of the setting switch SET, the other end of the downward switch DOWN and the other end of the upward switch UP are all grounded.

2. A control circuit for a quartz clock LCD calendar bar as claimed in claim 1, characterized in that The pin 15 of the battery control circuit is electrically connected with one end of the patch capacitor EC1 and one end of the capacitor C9, the other end of the patch capacitor EC1 and the other end of the capacitor C9 are both grounded, the other end of the relay J1 is also electrically connected with the pin 15 of the battery control circuit, the pin 1 and the pin 2 of the battery control circuit are respectively electrically connected with one end of the main battery BATT and one end of the memory battery BATT1, the other end of the main battery BATT and the other end of the memory battery BATT1 are both grounded.

3. A control circuit for a quartz clock LCD calendar bar as defined in claim 1, wherein The pin 17, the pin 18, the pin 19, the pin 20, the pin 21, the pin 22, the pin 23, the pin 24, the pin 25, the pin 26, the pin 27, the pin 28, the pin 29, the pin 30, the pin 31, the pin 32, the pin 33, the pin 34, the pin 35, the pin 37, the pin 38, the pin 39, the pin 40, the pin 41, the pin 42, the pin 43, the pin 44, the pin 45 and the pin 46 of the calendar strip master control chip MCU are electrically connected with the same LCD display.

4. A control circuit for a quartz clock LCD calendar bar as defined in claim 1, wherein The pin 36 of the calendar strip master control chip MCU is electrically connected with a power voltage VDD, and the pin 57 of the calendar strip master control chip MCU is grounded.

5. A control circuit for a quartz clock LCD calendar bar as defined in claim 1, wherein The pin 52 of the calendar strip master control chip MCU is electrically connected with a serial synchronous clock signal line, and the pin 51 of the calendar strip master control chip MCU is electrically connected with a data signal line SDA.

6. A control circuit for a quartz clock LCD calendar bar as defined in claim 1, wherein The frequency of the quartz crystal oscillator X1 is 32.768KHz.

Images