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CN-121978880-A - Mechanical push-pull digital display clock device

CN121978880ACN 121978880 ACN121978880 ACN 121978880ACN-121978880-A

Abstract

The invention discloses a control method and a control system of a mechanical push-pull digital display clock, and belongs to the technical field of electronic clock control. The method comprises the steps of obtaining and analyzing the current time, converting time and numbers into target state instructions of each telescopic segment according to a number-segment bit mapping table, controlling a driving device to execute corresponding actions, and establishing and maintaining a mechanical absolute zero through a zero point calibration flow. The system comprises a time acquisition module, a control module, a driving execution module and a position calibration module. The invention solves the problems of error accumulation, cooperative control, power-off reset and accurate calibration faced by the multi-unit mechanical display device through a software algorithm and closed-loop control, ensures accurate and reliable display of the mechanical push-pull clock, realizes the functions of automatic timing and remote control of a network, and greatly improves the practicability and user experience of products.

Inventors

  • ZHU WEI

Assignees

  • 祝薇

Dates

Publication Date
20260505
Application Date
20250825

Claims (9)

  1. 1. A method of controlling a mechanical push-pull digital display timepiece, the timepiece comprising a control module and at least four sets of display bits, each set of display bits comprising a plurality of telescoping segments driven by a driving device through a motion conversion mechanism, the method comprising: step 100, obtaining current time information and analyzing the current time information into a plurality of independent numbers; Step 200, converting each number into a target state instruction set of each telescopic segment in a corresponding group of display bits according to a pre-stored number-segment bit mapping table; Step 300, generating a driving instruction according to the target state instruction set and sending the driving instruction to a corresponding driving device; Step 400, the driving device responds to the driving instruction to drive the corresponding telescopic segment to move to a target state; and S500, executing a zero calibration flow, namely controlling the driving device to drive the motion conversion mechanism to move until the position calibration module detects the zero mark and records that the position is an absolute zero.
  2. 2. The control method according to claim 1, characterized in that the step S500 includes: Step S510, controlling the driving device to move towards the zero direction at a first speed; Step S520, monitoring feedback signals of the position calibration module in real time; step S530, immediately stopping the driving device when receiving the effective trigger signal; step S540, defining the current stop position as the mechanical zero position of the display bit and storing the mechanical zero position.
  3. 3. The control method according to claim 2, wherein the first speed is greater than a speed at which the driving device moves the telescopic section during normal display.
  4. 4. The control method according to claim 1, further comprising the step of S600 of dynamic error compensation, recording the theoretical position of the driving device after the state of the telescopic section is switched, and correcting the deviation between the theoretical value and the actual value after the zero point calibration is completed by taking the last theoretical position as a reference starting point for the subsequent driving.
  5. 5. The control method according to claim 1, wherein the zero calibration procedure is automatically performed after each time the clock device is powered off and powered up again.
  6. 6. The control method of claim 1, wherein the acquiring current time information includes acquiring time from a built-in high precision clock chip or receiving a Network Time Protocol (NTP) signal through a wireless communication module.
  7. 7. A system for a mechanical push-pull digital display clock for performing a control method according to any of claims 1-6, characterized in that the system comprises: The time acquisition module is used for acquiring current time information; A control module configured to perform the steps of the control method; the driving execution module comprises a plurality of groups of driving devices and a motion conversion mechanism and is used for driving the telescopic section to act; and the position calibration module is used for providing a zero feedback signal.
  8. 8. The system of claim 7, further comprising a wireless communication module coupled to the control module for receiving NTP signals and/or user remote instructions.
  9. 9. The system of claim 7, wherein the position calibration module comprises a hall sensor in combination with a magnet, or a photosensor in combination with a gobo, or a micro switch.

Description

Mechanical push-pull digital display clock device Technical Field The invention relates to the technical field of electronic clock display, in particular to a control method, calibration logic and a system for driving a mechanical push-pull digital display clock, and specifically relates to a clock device for dynamically combining numbers in a mechanical push-pull mode. A multi-motor cooperative control strategy and a closed loop calibration process. And wireless timing technology (WiFi), realize the dynamic mechanical visualization of the time information. Background The current electronic clocks in the market are various and mainly divided into traditional nixie tube display clocks, LCD screen display clocks, mechanical pointer clocks and creative electronic clocks which are emerging in recent years. The traditional nixie tube and LCD screen display clock have the advantages of clear time display and lower cost, but have single display form, lack of originality and visual impact, and are difficult to meet the demands of users on individuation and differentiation of home decoration, the mechanical pointer type clock has a certain antique aesthetic feeling, but has the problems that the time precision is easily influenced by abrasion of a mechanical structure, the adjustment operation is complicated, the size is larger, and the like, the traditional creative type electronic clock mainly adopts the forms of an LED lamp array, a rotating module and the like to realize time display, and has the problems of complicated structure, high assembly difficulty, insufficient display stability, single function (only has a basic time display function, lacks convenient time calibration and adjustment means), and the like. The magnetic fluid clock relies on a magnetic field to adsorb fluid, so that pushing and pulling of a rigid structure cannot be realized, and the response speed is slow (> 500 ms); defects in the prior art: the electronic screen cannot realize physical form change, display planarization, lack of physical interaction, high power consumption and poor visibility in a strong light environment; the mechanical page turning structure depends on a complex gear set, has high noise and difficult calibration, does not have position calibration, has accumulated error of +/-5 minutes/month, does not have a closed-loop position calibration mechanism, and generates accumulated error after long-term use; o rotating the LED clock, rotating the lamp array for imaging, imaging only the persistence effect, and having no physical and mechanical changes; The invention solves the problems that: the traditional mechanical clock has no closed-loop calibration, the accumulated error is uncontrollable, the WiFi automatic timing function is lacked, the time is required to be frequently and manually adjusted by a user, and the operation is inconvenient; The interaction experience is lost, the traditional nixie tube display clock and the LCD screen display clock can not provide physical form change feedback, and the display form is single. Disclosure of Invention The invention aims to overcome the defects of the prior control technology and provide a control method and a control system of a mechanical push-pull digital display clock with high precision, good reliability and self-adaptive calibration capability. In order to achieve the above purpose, the invention adopts the following technical scheme: in a first aspect, the present invention provides a method of controlling a mechanical push-pull digital display timepiece, the timepiece comprising a control module and at least four sets of display bits, each set of display bits comprising a plurality of telescopic segments driven by a driving device via a motion conversion mechanism, the method comprising: Step 100, acquiring current time information through a time acquisition module, and analyzing the current time information into four numbers corresponding to ten time bits, ten minutes and three minutes respectively; Step 200, converting each number into a target state instruction set of each telescopic segment in a corresponding group of display bits according to a pre-stored number-segment bit mapping table, wherein the target state comprises protrusion or retraction; step 300, the control module generates a corresponding driving instruction according to the target state instruction set and sends the driving instruction to a corresponding driving device; Step 400, the driving device responds to the driving instruction and drives the corresponding telescopic section to move to a target state through the motion conversion mechanism; and S500, when the power-on initialization is performed or a preset calibration time point is reached, executing a zero calibration process, namely controlling the driving device to drive the motion conversion mechanism to move towards the zero position direction until a sensor of the position calibration module detects a marker arranged at the zero po