CN102759895B - Timed maintenance controller for lawn trimmer and control method - Google Patents
Timed maintenance controller for lawn trimmer and control method Download PDFInfo
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- CN102759895B CN102759895B CN201210256875.9A CN201210256875A CN102759895B CN 102759895 B CN102759895 B CN 102759895B CN 201210256875 A CN201210256875 A CN 201210256875A CN 102759895 B CN102759895 B CN 102759895B
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Abstract
The invention provides a timed maintenance controller for a lawn trimmer and a control method. The controller is characterized by comprising a vibration sensor mounted on the lawn trimmer, a maintenance time setting unit, a control unit with a timing circuit, a display unit and a working power supply, wherein the maintenance time setting unit comprises an engine oil changing time setting circuit, a filter element changing time setting circuit and a spark plug changing time setting circuit; the display unit comprises an oil changing time display part, a filter element changing time display part and a spark plug changing time display part; the output signal of the vibration sensor is connected to a trigger signal input end of the control unit; the maintenance time setting unit is connected with a digital signal input end of the control unit; and the display unit is connected with an external drive signal end of the control unit. The vibration sensor detects whether the lawn trimmer works, the timing circuit is started for timing, and a display displays and prompts the time so that the lawn trimmer can obtain timely maintenance and the service life of the lawn trimmer is prolonged.
Description
Technical field
The present invention relates to a kind of turf-mown machine controller, belong to technique with the apparatus field, gardens, is a kind of lawn mower periodic maintenance controller and control method specifically.
Background technology
The normal operation and maintenance of lawn mower can extend its serviceable life.The maintenance of lawn mower mainly contains three aspects:
1, change engine oil more: lawn mower machine oil to the effect of machine is: lubricated, cooling, clean, strengthen piston seal, machine used after a period of time, along with airborne dust, enter that metal fillings with wear and tear in machines enters machine oil and machine oil is heated, moves, its various performances all can decline, as change engine oil more not in time, will accelerate the wearing and tearing of machine, reduce the serviceable life of machine, even can cause the accident of axis tile, scuffing of cylinder bore, connecting rod cracking.Conventionally the new machine of lawn mower change engine oil more after turning round for the first time 5 hours, a machine oil of later every uses replacing in 30-50 hour.
2, cleaning and periodic replacement air filter core: the Main Function of air filter core is to prevent that dust from entering cylinder body, cause parts depreciation, the dust that machine uses space-time to draw can be deposited on air filter core, and air inflow is reduced, and burning mixing ratio strengthens, cause incomplete combustion, power declines, and long-time work like this can produce carbon distribution, the wearing and tearing between aggravation cylinder piston, carbon distribution falls in cylinder body can cause scuffing of cylinder bore, and machine power is lost.Therefore should clean in time, change air filter core, to guarantee the normal operation of machine.
3, make regular check on spark plug: the fault of spark plug mainly occurs in skirt section and electrode.Under normal circumstances, spark plug is almost without carbon deposit, dry.Electrode substantially without ablation, be the slightly light grey fine powder of light brown (rust) or surface.Spark-plug heat value is higher, igniting is weak or electrode gap is crossed big city and caused carbon deposit.Combustible gas is excessively rare, spark-plug heat value is on the low side or leak gas, igniting is too early or gasoline engine is overheated, all can cause overheated scaling loss, therefore, need to make regular check on.
Because lawn mower is irregular use, when bad judgement needs maintenance, and before the present invention makes, maintenance work can not be fulfilled conventionally, so that lawn mower is short general serviceable life, and the waste causing is more serious.
Summary of the invention
The present invention is directed to the problems referred to above that prior art exists, a kind of lawn mower periodic maintenance controller and control method are provided, can make in time according to the usage degree of lawn mower the prompting of ' changing oil ', ' renew cartridge device ', ' changing spark plug ', and at the bottom of cost, regulate easy to usely, be applicable to the lawn mower of various different sizes.Its control method simply, is easily gone.
The object of the invention is to be achieved through the following technical solutions:
A kind of lawn mower periodic maintenance controller, it is characterized in that: comprise the vibration transducer being arranged on lawn mower, service time setup unit, the control module with timing circuit, display unit and working power, service time setup unit comprises change engine oil time setting circuit, renew cartridge time setting circuit, change spark plug time setting circuit, display unit comprises that oil changing interval shows, renew cartridge time showing, change spark plug time showing three parts, the output signal of described vibration transducer is connected to the trigger pip input end of control module, service time setup unit is connected with the digital signal input end of control module, display unit drives signal end to be connected with the peripheral hardware of control module.
Improvement to technique scheme: described vibration transducer is piezoelectric transducer.
Further improvement to technique scheme: described control module is one-chip computer.
Further improvement to technique scheme: described display unit is become with making type function icon display group by a section-type LCD time display, display unit also comprises that present clock shows and lawn mower net cycle time display section.
Further improvement to technique scheme: described control module is connected with a loudspeaker.
A control method for lawn mower periodic maintenance controller, is characterized in that: adopt above-mentioned lawn mower periodic maintenance controller, concrete control method is:
Oil changing interval interface by service time setup unit at display unit, default oil changing interval; At renew cartridge device time surface, the default renew cartridge device time; Changing spark plug time surface, default changing the spark plug time;
While producing vibrations while lawn mower work being detected by vibration transducer, to control module, send signal, when the one-chip computer of control module receives the lawn mower working signal of being exported by vibration transducer, the timing circuit that starts control module inside starts timing, adopts the timing mode record time that also range of a signal is changed oil that subtracts, distance to change the time of filtering core device and the time that distance is changed spark plug.
Improvement to technique scheme: presetting oil changing interval, renew cartridge device time and changing the scope that arranges of spark plug time is 1～99 hour.
Further improvement to technique scheme: the Preset Time first of changing oil is 5 hours, all the other Preset Times are 30 hours; The Preset Time of renew cartridge device is 50 hours; The Preset Time that changes spark plug is 50 hours.
Advantage of the present invention and good effect are:
The vibration frequency that adopts piezoelectric transducer to detect lawn mower judges whether lawn mower works, and start the timing circuit timing in control module, the time that shows lawn mower operation by display, and the timing prompting of ' changing oil ', ' renew cartridge device ', ' changing spark plug ', and with auditory tone cues, make lawn mower can be maintained in time maintenance, extend lawn mower short serviceable life.And can change by button the timing of ' changing oil ', ' renew cartridge device ', ' changing spark plug ', adapt to the lawn mower of different model.Its control method simply, is easily gone.
Accompanying drawing explanation
Fig. 1 is the theory diagram of a kind of lawn mower periodic maintenance of the present invention controller;
Fig. 2 is the guidance panel figure of a kind of hay mower periodic maintenance of the present invention controller;
Fig. 3 is the working interface figure of a kind of hay mower periodic maintenance of the present invention controller;
Fig. 4 is the circuit diagram of vibration transducer part in a kind of lawn mower periodic maintenance of the present invention controller;
Fig. 5 is the circuit diagram of one-chip computer part in a kind of lawn mower periodic maintenance of the present invention controller;
Fig. 6 is the circuit diagram of display unit in a kind of lawn mower periodic maintenance of the present invention controller.
Embodiment
Referring to Fig. 1-Fig. 6, the embodiment of a kind of lawn mower periodic maintenance of the present invention controller, vibration transducer 1, service time setup unit 5, the control module 2 with timing circuit, display unit 3, working power 4, consist of, vibration transducer 1 is arranged in the frame or handle of lawn mower.Service time setup unit 5 comprises change engine oil time setting circuit, renew cartridge time setting circuit, changes spark plug time setting circuit.Display unit 3 comprises oil changing interval demonstration, renew cartridge time showing, changes spark plug time showing three parts.The output signal of vibration transducer 1 is connected to the trigger pip input end of control module 3, and service time setup unit 5 is connected with the digital signal input end of control module 2, and display unit 3 drives signal end to be connected with the peripheral hardware of control module 2.
Described vibration transducer 1 is piezoelectric transducer; Described control module 2 is one-chip computers.Described display unit 3 is become with making type function icon display group by a section-type LCD time display, and display unit 3 also comprises that present clock shows and lawn mower net cycle time display section.Described control module 2 is also connected with a loudspeaker 6.Described service time setup unit 5, control module 2, display unit 3 are arranged in the frame or handle of lawn mower.
In the embodiment shown in fig. 4, the LDTO-28K piezoelectric transducer that vibration transducer 1 adopts U.S. MEAS Sensitive Object to produce, the vibration producing when lawn mower is worked is to piezoelectric vibration pickup mineralization pressure, and crystal element will produce corresponding electric signal.
In the embodiment shown in fig. 5, the one-chip computer of control module 2 adopts PIC16F913, and PIC16F913 has the internal oscillator that precision is ± 1%; Super low-power consumption characteristic: standby current <100nA, working current 8.5 μ A; WatchDog Timer electric current 1 μ A; 60 pixel LCD driver; 5 road 10bit ADC; 2 seizure, comparison and PWM modules; 256 byte SRAM; 256 byte EEPROM; 24I/O, can meet various functions requirement of the present invention.
In the embodiment shown in fig. 6,5 section-type LCD display displaying times, by " MODE ", " SET " 2 key combination complete and change oil, renew cartridge device, the timing that changes spark plug set and clock setting, mark display " TIME " " TRIP ", " FIRST ", " HOURS " and graphic alphanumeric display " change Oil ", " spark plug ", " Air Filter " have combined various types of Fumction display.
The embodiment of the control method of a kind of above-mentioned lawn mower periodic maintenance controller of the present invention, concrete steps are as follows:
Oil changing interval interface by service time setup unit at display unit, default oil changing interval; At renew cartridge device time surface, the default renew cartridge device time; Changing spark plug time surface, default changing the spark plug time;
While producing vibrations while lawn mower work being detected by vibration transducer, to control module, send signal, when the one-chip computer of control module receives the lawn mower working signal of being exported by vibration transducer, the timing circuit that starts control module inside starts timing, adopts the timing mode record time that also range of a signal is changed oil that subtracts, distance to change the time of filtering core device and the time that distance is changed spark plug.
Referring to Fig. 2, Fig. 3, the course of work of lawn mower periodic maintenance controller is as follows:
Individual palpation " MODE " key can be switched to 5 kinds of function interface P shown in Fig. 3: present clock interface, total run time interface, oil changing interval interface, renew cartridge device time surface, change spark plug time surface, at each function interface, length is pressed MODE key and within 5 seconds, is entered setting, by SET key, changes settings.
At present clock interface, Preset Time is 12:00, and length is pressed MODE key and entered clock setting in 5 seconds, presses SET key and adds, reduces and put, and present clock is adjusted to desired value.
At total run time interface, because this interface is to record the working time of lawn mower according to the signal of vibration transducer, therefore only show total run time, so key is set all without effect, length is pressed MODE key nonfunctional, the long RESET key nonfunctional of pressing.
At oil changing interval interface, Preset Time is 5 hours first, and all the other Preset Times are 30 hours.Employing subtracts timing mode, and length is pressed MODE key and entered clock setting in 5 seconds, presses SET key and adds, reduces and put, and oil changing interval is adjusted to desired value, and the scope of setting is 1～99 hour.
At renew cartridge device time surface, Preset Time is 50 hours, adopts and subtracts timing mode, and length is pressed MODE key and entered clock setting in 5 seconds, presses SET key and adds, reduces and put, and by renew cartridge device Timing, to desired value, the scope of setting is 1～99 hour.
Changing spark plug time surface, Preset Time is 50 hours, adopts and subtracts timing mode, and length is pressed MODE key and entered clock setting in 5 seconds, presses SET key and adds, reduces and put, and will change spark plug Timing to desired value, and the scope of setting is 1～99 hour.
When the one-chip computer of control module 2 receives the lawn mower working signal of being exported by vibration transducer 1, start internal clocking circuit and start timing, comprise: add timing total run time, subtract timing oil changing interval, subtract timing renew cartridge device, subtract timing and change the spark plug time, when lawn mower quits work, one-chip computer is preserved each clocking value, when lawn mower is worked again, on the basis of save value last time, add up.
When distance change engine oil time or change the spark plug time or change the filtering core device time while arriving more, also be that corresponding time display value is while being kept to zero, corresponding graphic alphanumeric display " change Oil ", " spark plug ", the flicker of " Air Filter " icon, loudspeaker 6 sounding, until press 5 reset times in second of SET key, represent to change and complete.
Certainly, above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited to above-mentioned giving an example; those skilled in the art; in essential scope of the present invention, the variation of having done, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (10)
1. a lawn mower periodic maintenance controller, it is characterized in that: comprise the vibration transducer being arranged on lawn mower, service time setup unit, the control module with timing circuit, display unit and working power, service time setup unit comprises change engine oil time setting circuit, renew cartridge time setting circuit, change spark plug time setting circuit, display unit comprises that oil changing interval shows, renew cartridge time showing, change spark plug time showing three parts, the output signal of described vibration transducer is connected to the trigger pip input end of control module, service time setup unit is connected with the digital signal input end of control module, display unit drives signal end to be connected with the peripheral hardware of control module.
2. according to lawn mower periodic maintenance controller claimed in claim 1, it is characterized in that: described vibration transducer is piezoelectric transducer.
3. according to the lawn mower periodic maintenance controller described in claim 1 or 2, it is characterized in that: described control module is one-chip computer.
4. according to the lawn mower periodic maintenance controller described in claim 1 or 2, it is characterized in that: described display unit is become with making type function icon display group by a section-type LCD time display, display unit also comprises that present clock shows and lawn mower net cycle time display section.
5. according to lawn mower periodic maintenance controller claimed in claim 3, it is characterized in that: described display unit is become with making type function icon display group by a section-type LCD time display, display unit also comprises that present clock shows and lawn mower net cycle time display section.
6. according to the lawn mower periodic maintenance controller described in claim 1 or 2, it is characterized in that: described control module is connected with a loudspeaker.
7. according to lawn mower periodic maintenance controller claimed in claim 5, it is characterized in that: described control module is connected with a loudspeaker.
8. a control method for lawn mower periodic maintenance controller, is characterized in that: adopt the lawn mower periodic maintenance controller described in claim 1-7 any one, concrete control method is:
Oil changing interval interface by service time setup unit at display unit, default oil changing interval; At renew cartridge device time surface, the default renew cartridge device time; Changing spark plug time surface, default changing the spark plug time;
While producing vibrations while lawn mower work being detected by vibration transducer, to control module, send signal, when the one-chip computer of control module receives the lawn mower working signal of being exported by vibration transducer, the timing circuit that starts control module inside starts timing, adopts the timing mode record time that also range of a signal is changed oil that subtracts, distance to change the time of filtering core device and the time that distance is changed spark plug.
9. according to the control method of lawn mower periodic maintenance controller claimed in claim 8, it is characterized in that: presetting oil changing interval, renew cartridge device time and changing the scope that arranges of spark plug time is 1～99 hour.
10. according to the control method of lawn mower periodic maintenance controller claimed in claim 9, it is characterized in that: the Preset Time first of changing oil is 5 hours, all the other Preset Times are 30 hours; The Preset Time of renew cartridge device is 50 hours; The Preset Time that changes spark plug is 50 hours.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210256875.9A CN102759895B (en) | 2012-07-24 | 2012-07-24 | Timed maintenance controller for lawn trimmer and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210256875.9A CN102759895B (en) | 2012-07-24 | 2012-07-24 | Timed maintenance controller for lawn trimmer and control method |
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| CN102759895A CN102759895A (en) | 2012-10-31 |
| CN102759895B true CN102759895B (en) | 2014-04-09 |
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| CN105830754A (en) * | 2016-03-30 | 2016-08-10 | 苏州亚思科精密数控有限公司 | Obstructed greenbelt trimming method |
| CN105746192A (en) * | 2016-03-30 | 2016-07-13 | 苏州亚思科精密数控有限公司 | Pruning device for green belts with obstacles |
| CN105850527A (en) * | 2016-03-30 | 2016-08-17 | 苏州亚思科精密数控有限公司 | Pruning system for green belt with obstacles |
| CN105794499A (en) * | 2016-03-30 | 2016-07-27 | 苏州亚思科精密数控有限公司 | Pruning method of green belt pruning machine |
| CN105850526A (en) * | 2016-03-30 | 2016-08-17 | 苏州亚思科精密数控有限公司 | Pruning system for green belt |
| CN105746191A (en) * | 2016-03-30 | 2016-07-13 | 苏州亚思科精密数控有限公司 | Green belt trimming device |
| CN110122045B (en) * | 2018-02-09 | 2021-06-11 | 苏州宝时得电动工具有限公司 | Blade replacement prompting method, device, storage medium and system of mower |
| CN110425020A (en) * | 2019-07-16 | 2019-11-08 | 安徽澳格汽车零部件有限公司 | A kind of rotation oil strainer oscillatory type monitoring system |
| CN110991944B (en) * | 2019-12-31 | 2023-04-18 | 周浩 | Regional lawn maintenance management system and method |
| CN112425345A (en) * | 2020-11-30 | 2021-03-02 | 江苏苏美达五金工具有限公司 | Lawn mower maintenance and use reminding control system and method and lawn mower |
| CN112631160A (en) * | 2020-11-30 | 2021-04-09 | 江苏苏美达五金工具有限公司 | Lawn mower maintenance and use reminding control system and method and lawn mower |
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| CN202735756U (en) * | 2012-07-24 | 2013-02-13 | 朱桂新 | Lawn trimmer timing maintenance controller |
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| JPH09267667A (en) * | 1996-04-01 | 1997-10-14 | Ooretsuku:Kk | Stop control method for work vehicle provided with automatic transmission, its mechanism and work vehicle provided with it |
| US8783391B2 (en) * | 2010-09-15 | 2014-07-22 | The Toro Company | Power vehicle with adjustable velocity profiles |
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- 2012-07-24 CN CN201210256875.9A patent/CN102759895B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| US6170241B1 (en) * | 1996-04-26 | 2001-01-09 | Tecumseh Products Company | Microprocessor controlled motor controller with current limiting protection |
| EP2082638A1 (en) * | 2008-01-23 | 2009-07-29 | Fabrizio Bernini | Lawn-mower |
| CN201234463Y (en) * | 2008-07-25 | 2009-05-13 | 苏州宝时得电动工具有限公司 | Hand-hold operating apparatus |
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Granted publication date: 20140409 Termination date: 20200724 |