WO2016169381A1 - Système de surveillance d'un tableau de commande pour un dispositif de coupe d'herbe, et procédé de surveillance d'un système de surveillance d'un tableau de commande - Google Patents

Système de surveillance d'un tableau de commande pour un dispositif de coupe d'herbe, et procédé de surveillance d'un système de surveillance d'un tableau de commande Download PDF

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Publication number
WO2016169381A1
WO2016169381A1 PCT/CN2016/077170 CN2016077170W WO2016169381A1 WO 2016169381 A1 WO2016169381 A1 WO 2016169381A1 CN 2016077170 W CN2016077170 W CN 2016077170W WO 2016169381 A1 WO2016169381 A1 WO 2016169381A1
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WO
WIPO (PCT)
Prior art keywords
module
signal
lawn mower
control
power
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PCT/CN2016/077170
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English (en)
Chinese (zh)
Inventor
许焱林
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常州格力博有限公司
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Publication of WO2016169381A1 publication Critical patent/WO2016169381A1/fr

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers
    • A01D69/02—Driving mechanisms or parts thereof for harvesters or mowers electric
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D75/00—Accessories for harvesters or mowers
    • A01D75/20—Devices for protecting men or animals

Definitions

  • the invention relates to a control panel monitoring system for a lawn mower and a monitoring method thereof, in particular to a monitoring system and a monitoring method for automatically stopping when a component of a lawn mower control panel is abnormal.
  • the performance of the mower is particularly good or not, and the normal operation of the mower control panel directly affects the efficiency of the mower; currently the lawn mower on the market can make the mower Mowing is used under different conditions of lawn.
  • the mower's blade is passively stopped when the user actively releases the switch or the lawn mower encounters complicated lawn, over-current protection and low-pressure protection and Hall abnormal protection. Rotating; however, there are no functional modules to monitor the reliability of the components on the control panel of the electronic control section; if the components on the electronic control panel fail during use, the machine mowing function is incomplete or ineffective.
  • the machine loses the brake function, and the brake can be stopped and the machine can be freely stopped. Therefore, if the user goes to the side cutter, the fast rotating blade of the lawn mower may damage the user and there is a safety hazard.
  • the present invention provides a control panel monitoring system for a lawn mower and a monitoring method thereof.
  • the technical scheme adopted by the control board monitoring system of the lawn mower includes: a power supply module, a power processing module, a microprocessor control module, an angle monitoring module, a current processing module motor driving module, a watchdog module and a relay module. ;
  • the power supply module is used to supply power to the lawn mower
  • the power processing module is configured to convert a high voltage output by the power supply module to a low voltage, and input the signal to the microprocessor control module;
  • the angle monitoring module is configured to monitor a tilt angle between the lawn mower and a horizontal plane
  • the current processing module is configured to monitor a current state; the motor driving module is configured to control a mower blade work;
  • the microprocessor control module is configured to detect an output signal of the angle monitoring module and the current processing module, and output a control signal to the motor driving module;
  • the watchdog module is configured to monitor the working state of the microprocessor control module in real time
  • the relay module is configured to open or close a signal loop of an electronic control board in the lawn mower.
  • the power processing module is composed of a voltage regulator, a diode, and a triode series voltage regulator module.
  • the monitoring method for the control panel of the lawn mower of the present invention is:
  • Step 1 Start the switch button of the lawn mower, and the power supply module starts to supply power to the lawn mower;
  • Step 2 The power processing module converts the high voltage outputted by the power supply module into a low voltage, and inputs the voltage to the microprocessor control module;
  • Step 3 The microprocessor control module detects an output signal of the angle monitoring module and the current processing module, and outputs a control signal to the motor driving module.
  • Step 4 After the motor drive module receives the control signal from the microprocessor control module, the lawn mower blade is controlled to stop or work;
  • Step 5 After the microprocessor control module is damaged, the control signal for maintaining the power-on is not output to the watchdog module, and the watchdog module outputs a brake control signal to the relay module;
  • Step 6 After receiving the brake control signal from the watchdog module, the relay module will directly disconnect the signal circuit of the electronic control board in the lawn mower, and the lawn mower will stop working.
  • the invention realizes monitoring the state of the components on the electronic control panel by monitoring the working state of the microprocessor control module through the watchdog module through the electronic intelligent technology.
  • the microprocessor control module fails to fail, the control signal for maintaining the power-on is not output to the watchdog module, and the watchdog module outputs a brake control signal to the relay module, and the relay module receives After the brake control signal from the watchdog module, the signal circuit of the electronic control board in the mower will be directly disconnected, and the mower will stop working. Therefore, the present invention can improve the mowing efficiency of the lawn mower while also ensuring the safety of the user.
  • FIG. 1 is a schematic diagram showing the principle of a circuit module of a control panel monitoring system of the lawn mower of the present invention
  • FIG. 2 is a schematic diagram showing the flow of signals of the control panel monitoring system of the lawn mower of the present invention.
  • the control panel monitoring system of the lawn mower of the present invention comprises a power supply module, a power processing module, a microprocessor control module, an angle monitoring module, a current processing module motor driving module, a watchdog module and a relay module.
  • Power supply module The working principle of the circuit module of the control panel monitoring system is as follows: the whole system is powered by the power supply module for supplying power to the lawn mower, and the power supply module is a device for supplying power to the entire lawn mower system, usually lithium. Composed of an ion battery, it provides the working power of the entire system control in real time, converting the electric energy into the kinetic energy of the lawn mower mowing.
  • the voltage processing is then implemented by a power processing module, which is a power conversion device, usually composed of an LDO (regulator), a diode, and a triode series voltage regulator module, specifically providing a power supply module.
  • a power processing module which is a power conversion device, usually composed of an LDO (regulator), a diode, and a triode series voltage regulator module, specifically providing a power supply module.
  • the high voltage is converted into a low voltage of the microprocessor control module, and the state of the voltage is fed back to the microprocessor control module to detect the normality of the voltage to ensure the normal operation of the electronic control system.
  • the microprocessor control module is the core electronic component of the entire lawn mower. It is usually composed of a highly integrated IC chip. It works by the energy supplied by the battery, and detects all the peripherals through the module detection part of the peripheral system. The signal state, such as the abnormality of the system signal, will automatically send a stop signal to realize the shutdown brake of the lawn mower and protect the safety of the user. Specifically, the microprocessor control module is processed after receiving the whole machine switching signal, and sends a signal for turning on the MOS (Field Effect Transistor) through the motor driving module to realize the action of starting or shutting down, thereby implementing the control mowing. Machine blade works or stops;
  • MOS Field Effect Transistor
  • the motor drive module is used for timing signals sent by the microprocessor control module, and is regularly driven
  • the current processing module is a device for monitoring the current of the entire lawn mower before mowing or starting mowing, and the signal is fed back to the microprocessor control module that processes the signal for real-time processing, whether to open or close the cutting.
  • the angle monitoring module is used to monitor the angle of the lawn mower with the horizontal plane during the mowing process or before starting the mowing, and the detected angle signal is transmitted to the microprocessor control module in real time through the processing module to determine
  • a modular device that turns on the mower or stops mowing which is usually composed of an angle monitoring IC chip and a peripheral discrete capacitor resistor.
  • the microprocessor control module will monitor the current processing module, the angle detection module and the voltage and Hall signal of the electronic circuit board in real time, and then start or shut down the operation. Once there is voltage, current And the angle and other anomalies will issue a shutdown signal to achieve brake brake stop and protect the user's safety in time.
  • the microprocessor control module is mainly used for detecting an output signal of the angle monitoring module and the current processing module, when the inclination angle between the chassis of the lawn mower and the horizontal plane exceeds a certain range (for example, the inclination angle exceeds 60 degrees)
  • a certain range for example, the inclination angle exceeds 60 degrees
  • the watchdog module is used to monitor the working state of the microprocessor control module itself and the internal software program in real time, usually a discrete circuit composed of a diode and a triode. With the prolonged use of the mower, the devices gradually age. Once the microprocessor control module fails, or the program software runs away, and the mower is in an uncontrollable state, the watchdog module will be timely. Starting the relay A set of contact loops, independently braking, forcing the mower to stop mowing, thus ensuring the safety of the user and preventing accidental injury.
  • the relay module is a signal circuit for opening or closing an electronic control board in the lawn mower, and is usually composed of a high-power relay for cutting or closing the entire circuit to realize switching of electrical energy.
  • the invention is a control panel monitoring realized by a power supply module, a power processing module, a microprocessor control module, a motor drive module, an angle monitoring module, a current processing module, a watchdog module and a relay module to work together in an orderly manner.
  • the system can achieve fast braking and shutdown, and has the advantages of high efficiency and high safety performance.
  • FIG. 2 is a schematic diagram showing the signal flow of the lawn mower control panel monitoring system of the present invention. As shown in FIG. 2, the specific workflow of the present invention is as follows:
  • the switch button When the user presses the switch button on the mower, the switch button outputs a switch signal to the signal processing circuit.
  • the microprocessor module on the signal processing circuit receives the switch signal, it will detect the working status of all the components on the switch.
  • the angle control board module also sends angle information to the signal processing loop, and the signal processing loop converts the detected state information into an electronic signal output to the main board, and the main board receives the signal sent by the signal processing loop for further processing to determine Whether it is stopped; once the condition of the component is detected abnormally, the main board will immediately send a shutdown signal to the motor, and the motor will immediately stop rotating to complete the detection before the entire mowing process.
  • the mower starts to cut grass; if it detects that the state of the electronic components on the main board is abnormal during the mower, the microprocessor will send a shutdown signal to the main board. After the main board receives the stop signal, it will issue a stop command to the motor, and the mower will brake and stop.
  • the switch signal of the present invention is a signal generated by a circuit composed of a switch connecting the whole machine and the circuit board, and is generally composed of a diode, a triode, and a resistor;
  • the power supply processing signal of the present invention is a battery.
  • the signal generated by the loop formed by the packet and the power management part is usually composed of a lithium ion battery and a power chip;
  • the signal processing loop of the present invention is generated by a loop composed of a microprocessor controller (such as a single chip microcomputer) and a peripheral circuit.
  • the signal is usually composed of a single chip and peripheral resistors and capacitors.
  • the main board of the present invention is composed of a circuit for receiving and processing the inclination signal, and is used for directly controlling the rotation and stop of the lawn mower blade, and is usually composed of a MOS (field effect transistor), a resistor, a capacitor, a diode, and a triode.
  • MOS field effect transistor

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)

Abstract

L'invention concerne un système de surveillance d'un tableau de commande pour un dispositif de coupe d'herbe, et un procédé de surveillance du système de surveillance d'un tableau de commande. Le système de surveillance du tableau de commande comprend un module de source d'énergie et d'alimentation, un module de traitement la source d'énergie, un module de commande de microprocesseur, un module de surveillance angulaire, un module de traitement de courant, un module d'entraînement de moteur, un module de surveillance et un module de relais. Pendant le processus de coupe d'herbe, le dispositif de coupe d'herbe freine lorsqu'il détecte une anomalie du statut d'un composant électronique d'une carte principale, ou en cas de panne du module de microprocesseur. L'invention permet donc une grande efficacité de coupe d'herbe conjuguée à une grande sécurité d'utilisation.
PCT/CN2016/077170 2015-04-23 2016-03-23 Système de surveillance d'un tableau de commande pour un dispositif de coupe d'herbe, et procédé de surveillance d'un système de surveillance d'un tableau de commande WO2016169381A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510195479.3 2015-04-23
CN201510195479.3A CN105027841A (zh) 2015-04-23 2015-04-23 一种割草机的控制板监测系统及其监测方法

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WO2016169381A1 true WO2016169381A1 (fr) 2016-10-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108646767A (zh) * 2018-08-04 2018-10-12 浙江中马园林机器股份有限公司 一种锂电草坪机多功能控制装置

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CN105043332A (zh) * 2015-04-23 2015-11-11 常州格力博有限公司 一种割草机的角度监测系统及其监测方法
CN105027841A (zh) * 2015-04-23 2015-11-11 常州格力博有限公司 一种割草机的控制板监测系统及其监测方法
CN107397507A (zh) * 2016-05-20 2017-11-28 苏州宝时得电动工具有限公司 吹吸机及其刹车方法
CN117666452B (zh) * 2024-02-01 2024-05-28 季华实验室 机器人的多重安全控制方法、装置、电子设备及存储介质

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GB2200002A (en) * 1986-12-23 1988-07-20 Qualter Hall & Co Limited Microprocessor-based controller especially for hazardous environment
DE29818539U1 (de) * 1998-10-09 1999-01-07 Siemens Ag Schaltungsanordnung für einen elektrischen Leistungsschalter
CN2682793Y (zh) * 2003-11-13 2005-03-09 吕浩中 电动割草机
CN103796504A (zh) * 2011-07-14 2014-05-14 胡斯华纳有限公司 具有有效驱动控制器的电池供电的草坪护理车
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108646767A (zh) * 2018-08-04 2018-10-12 浙江中马园林机器股份有限公司 一种锂电草坪机多功能控制装置

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